WO2014180261A1 - 无线通信系统中的网络管理装置、方法和装置 - Google Patents
无线通信系统中的网络管理装置、方法和装置 Download PDFInfo
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- WO2014180261A1 WO2014180261A1 PCT/CN2014/076183 CN2014076183W WO2014180261A1 WO 2014180261 A1 WO2014180261 A1 WO 2014180261A1 CN 2014076183 W CN2014076183 W CN 2014076183W WO 2014180261 A1 WO2014180261 A1 WO 2014180261A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/12—Fixed resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Definitions
- Network management device method and device in wireless communication system
- the present invention relates generally to the field of wireless communications, and more particularly to a network management apparatus, method and apparatus in a wireless communication system capable of efficiently implementing dynamic network planning and wireless network resource allocation.
- next-generation networks are based on the Internet Protocol (IP).
- IP Internet Protocol
- An important feature of next-generation networks is the coexistence of multiple wireless communication technologies to form heterogeneous wireless access networks.
- Heterogeneous wireless access networks have rich connotations from wireless technologies, coverage, network architecture, and network performance. From the aspect of coverage, wireless networks can be divided into Wide Area Network (WAN), Metropolitan Area Network (MAN), Local Area Network (LAN), and Personal Area Network (PAN). )and many more.
- WAN Wide Area Network
- MAN Metropolitan Area Network
- LAN Local Area Network
- PAN Personal Area Network
- wireless networks can be divided into point-to-multipoint (PMP) single-hop network (Single-hop Network), multi-hop network (Multi-hop Network), mesh network (Mesh Network), Ad hoc, etc.
- PMP point-to-multipoint
- Single-hop Network single-hop network
- Multi-hop Network multi-hop network
- Mesh Network mesh network
- Ad hoc Ad hoc
- heterogeneous networks increase the complexity of network coverage density and network layout, thereby exacerbating the conflict between user bandwidth requirements and scarcity of wireless resources.
- resource management In order to improve the capacity of the network system, more sophisticated resource management, dynamic network planning, and user mobility management technologies are required. The implementation of these technologies relies on effective knowledge of the distribution information of network nodes.
- an object of the present disclosure is to provide a network management apparatus, method, and apparatus of a wireless communication system capable of efficiently implementing network node distribution management.
- the processing amount is greatly reduced, thereby dynamically planning, refining network resource allocation and motion.
- Network node resource allocation provides a quick decision basis.
- a network management apparatus in a wireless communication system including: a network area dividing unit configured to divide a network signal coverage into a plurality of sub-areas according to a transmission characteristic of a network node; a positioning unit configured to determine a sub-area within a coverage of a network number where the network node is located according to geographic location information of the network node; and a wireless network resource management unit configured to construct a wireless network according to the sub-area in which the network node is located Resource management information.
- the network management apparatus may further include: a neighbor node determining unit configured to determine a neighbor node capable of directly communicating with the network node according to a transmission characteristic of the network node.
- the wireless network resource management unit is further configurable to construct wireless network resource management information based on the determined neighbor nodes.
- the wireless network resource management unit may further include: a network connectivity management module configured to manage a connected network formed by each network node and its neighbor nodes, wherein the network is connected Any two network nodes can communicate with each other through at least one wireless path consisting of one or more wireless links.
- the network connectivity management module may be further configured to manage the connected sub-area network corresponding to the connected network and configured by the sub-areas in which the network nodes in the connected network are located. .
- the network connectivity management module may further include: a connectivity network establishing component configured to establish a connectivity network and a connectivity sub-area network according to the determined neighbor node; and a connectivity network update component, It is configured to update the established connected network and the connected sub-area network according to the state and/or motion characteristics of the network node.
- the connected network establishing component may be further configured to: for any target network node, establish a network of all relevant network nodes and target network nodes based on relevant network nodes associated with the target network node a connected network, wherein the related network node includes a neighbor node of the target network node and a network node capable of communicating with the target network node through the neighbor node; and a sub-area in which the target network node is located and a sub-area in which the related network node is located, Establish a connected sub-area network corresponding to the connected network.
- the connected network update component may be further configured to: when the state and/or the motion feature of the network node changes, according to the change of the connected network and the connected sub-area network involved in the network node The established connected network and the connected sub-area network are updated.
- the wireless network resource management unit may further include: a network interference control management module configured to estimate a interference range of the wireless network resources used by each network node to communicate with its neighbor nodes, and according to the The estimated interference range is used to manage the wireless network resources available to each network node.
- a network interference control management module configured to estimate a interference range of the wireless network resources used by each network node to communicate with its neighbor nodes, and according to the The estimated interference range is used to manage the wireless network resources available to each network node.
- the network interference control management module may be further configured to manage wireless network resources available to the sub-areas in which the respective network nodes are located according to the estimated interference range.
- the network interference control management module may be further configured to establish an available wireless network resource profile for each of the sub-areas based on available wireless network resources of the respective sub-areas.
- the network interference control management module may be further configured to re-determine the interference range and update the available wireless network according to the re-determined interference range. Resource map.
- the network area dividing unit may be further configured to determine the size of the sub-area according to the target of the network area division.
- the network management apparatus may further include a motion feature estimating unit configured to estimate a motion feature of the network node in units of sub-regions, wherein the wireless network resource management unit may further be configured to be based on Motion characteristics to construct wireless network resource management information.
- the network node locating unit may be further configured to determine, according to the motion characteristics of the network node, a sequence of sub-regions that the network node passes within a predetermined time and a dwell time in each of the sub-regions, thereby obtaining The positioning result of the network node.
- the wireless network resource management unit may be further configured to group the network nodes according to the positioning result and the motion characteristics of the network node, and construct the wireless network resource management information according to the grouped network nodes.
- a method for use in a wireless communication system comprising: a network area dividing step of dividing a coverage of a network element into a plurality of sub-areas according to a transmission characteristic of a network node ; network node positioning step, according to the geographical location information of the network node Determining a sub-area within a coverage of the network signal in which the network node is located; and a radio network resource management step of constructing radio network resource management information according to the sub-area in which the network node is located.
- an apparatus in a wireless communication system comprising: an information acquisition unit configured to acquire wireless network resource management information provided by a network management apparatus according to an embodiment of the present disclosure And a network planning unit configured to perform network planning based on the wireless network resource management information.
- the apparatus may further comprise: a wireless network resource allocation unit configured to perform wireless network resource allocation based on the wireless network resource management information provided by the network management device.
- the apparatus may further include: a positioning unit configured to acquire geographic location information of the network node.
- the network planning unit may be further configured to check, when receiving the communication request initiated by the network node, the destination node information included in the communication request, if according to the neighbor node included in the wireless network resource management information
- the information determining that the destination node indicated by the destination node information is a neighbor node of the network node indicates that the network node establishes a device-to-device connection with the destination node for communication.
- the network planning unit may be further configured to quickly find the device-to-device as the network node from the set of neighbor nodes of the network node according to the neighbor node information.
- the network planning unit may be further configured to, when receiving a communication request initiated by the network node, check whether the communication request allows relaying through other network nodes, if allowed to relay through other network nodes And searching for a network node that is a relay node of the network node from the neighbor node set of the network node according to neighbor node information included in the wireless network resource management information, and indicating the network node and the found as a relay node
- the network nodes establish a connection for communication.
- the network planning unit may be further configured to, when receiving the communication request of the plurality of network nodes, check the destination node information included in the plurality of communication requests, if according to the wireless network resource management
- the neighbor node information included in the information determines that the destination node included in the communication request of the plurality of network nodes and the plurality of network nodes are neighbor nodes of a certain network node, indicating that the network node corresponds to the plurality of network nodes Destination node Establish a point-to-multipoint connection for communication.
- the network planning unit may be further configured to check the destination node information included in the communication request when receiving the communication request initiated by the network node, if the connectivity included in the wireless network resource management information is included
- the network information determines that the destination node indicated by the destination node information belongs to the same connected network as the network node, and notifies the network node that communication with the destination node is possible.
- the network planning unit may be further configured to perform management information according to the wireless network resource based on the destination node and the sub-region where the network node is located.
- the connected sub-area network information included in the routing selects a route for communication between the destination node and the network node, and instructs the network node to communicate with the destination node through the selected route.
- the wireless network resource allocation unit may be further configured to, when receiving the communication request initiated by the network node, check the destination node information included in the communication request, based on the destination node and the destination node information The sub-area in which the network node is located allocates wireless network resources for communication between the network node and the destination node according to the wireless network resource management information.
- an apparatus in a wireless communication system comprising: a sub-area information receiving unit configured to receive a sub-area in which the apparatus is located from a network management apparatus according to an embodiment of the present disclosure The information of the area; and the notifying unit configured to notify the network management device when it is determined that the device is or has left the sub-area according to the geographical location information of the device.
- the apparatus may further comprise: a positioning unit configured to measure geographic location information.
- the notification unit is further configurable to notify the network management device of the geographic location information.
- a storage medium comprising machine readable program code, the program code causing the information processing device to perform the following steps when the program code is executed on the information processing device:
- the network area dividing step divides the coverage of the network according to the transmission characteristics of the network node into multiple sub-areas;
- the network node positioning step determines the sub-network coverage of the network node according to the geographical location information of the network node;
- a wireless network resource management step of constructing wireless network resource management information according to the sub-area in which the network node is located.
- a program product comprising machine executable instructions for causing information processing when an instruction is executed on an information processing device
- the device performs the following steps: a network area dividing step, which divides the network signal coverage into multiple sub-areas according to the transmission characteristics of the network node; and the network node positioning step determines the network where the network node is located according to the geographical location information of the network node. The sub-area within the coverage area; and the wireless network resource management step, to construct the wireless network resource management information according to the sub-area in which the network node is located.
- a network signal coverage into a plurality of sub-areas and managing a wireless network node distribution in units of sub-areas, it facilitates fast dynamic network planning and reasonable wireless network resource allocation, thereby enabling limited wireless In the case of network resources, the user bandwidth requirements are better met.
- FIG. 1 is a block diagram showing a functional configuration example of a network management device in a wireless communication system according to an embodiment
- FIGS. 2A and 2B are schematic diagrams showing an example of a manner for dividing a network signal coverage into a plurality of sub-areas
- FIG. 3 is a block diagram showing a functional configuration example of a network management device in a wireless communication system according to another embodiment of the present invention.
- FIG. 4 is a schematic diagram showing a distribution of neighbor nodes
- Figure 5 is a block diagram showing a functional configuration example of the wireless network resource management unit shown in Figure 3;
- FIG. 6 is a block diagram showing a functional configuration example of the network connectivity management module shown in FIG. 5;
- FIG. 7 is a schematic diagram showing a distribution of a connected network and a connected sub-area network;
- FIG. 8 is a diagram showing another functional configuration example of the wireless network resource management unit shown in FIG. Block diagram
- Figure 9 is a diagram showing the range of radio link interference
- FIG. 10 is a block diagram showing a functional configuration example of a network management device in a wireless communication system according to still another embodiment of the present invention.
- Figure 11 is a flow chart showing an example of a flow of a method used in a wireless communication system according to an embodiment
- Figure 12 is a flowchart showing an example of the flow of a method used in a wireless communication system according to another embodiment of the invention.
- FIG 13 is a flowchart showing an example of detailed processing in the wireless network resource management step shown in Figure 12;
- Figure 14 is a flowchart showing a detailed processing example in the network connectivity management step shown in Figure 13;
- FIG 15 is a flowchart showing another example of detailed processing in the wireless network resource management step shown in Figure 12;
- Figure 16 is a flowchart showing an example of the flow of a method used in a wireless communication system according to still another embodiment of the present invention.
- Figure 17 is a block diagram showing an example of a functional configuration of a device in a wireless communication system according to an embodiment of the present invention.
- Figure 18 is a block diagram showing a functional configuration example of a device in a wireless communication system according to another embodiment of the present invention.
- FIG. 19 is a block diagram showing a functional configuration example of a device in a wireless communication system according to still another embodiment of the present invention.
- Figure 20 is a block diagram showing an example of a functional configuration of a device in a wireless communication system according to an embodiment of the present invention
- Figure 21 is a block diagram showing a functional configuration example of a device in a wireless communication system according to another embodiment of the present invention.
- 22 is a schematic diagram showing an architectural example of a wireless communication system according to an embodiment of the present disclosure.
- Fig. 23 is a block diagram showing an example structure of a personal computer as an information processing apparatus which can be employed in the open embodiment. detailed description
- FIG. 1 is a block diagram showing a functional configuration example of a network management device in a wireless communication system according to an embodiment of the present disclosure.
- the network management apparatus 100 in the wireless communication system may include a network area dividing unit 102, a network node positioning unit 104, and a wireless network resource management unit 106.
- wireless network management in addition to performing wireless network management in units of sub-areas, wireless network management may be performed in a hierarchical manner as needed, for example, using two or more sub-areas as one basic unit. Wireless network management, there is no limit to this.
- the case of managing wireless network resources based on the divided unit sub-areas is described as an example, but this does not constitute any limitation to the present disclosure.
- the network area dividing unit 102 may be configured to divide the network signal coverage into a plurality of sub-areas according to the transmission characteristics of the network node.
- the core problem is to determine the shape, size and characterization of sub-regions.
- Method It should be understood that the shape of the sub-region may be any shape. However, for ease of management, an effective method is to first divide the network signal coverage in a regular unit shape, and then combine multiple unit shapes as needed.
- an embodiment of the present invention will be described by taking the determined unit shape as a sub-area as an example.
- the network area dividing unit 102 may be further configured to determine the size of the sub-area based on the target of the network area division.
- FIGS. 2A and 2B are diagrams showing an example of a manner for dividing a coverage of a network number into a plurality of sub-areas.
- Fig. 2A shows a Cartesian coordinate system division method. Specifically, a rectangular coordinate system is established with the base station as the origin O, and the length r is used as the unit length, and each unit square having the side length r forms a sub-region, thereby serving the base station served by the radius R.
- the cell i.e., the network signal coverage of the base station
- the unit length r can be set according to the target of the network area division. As an example, the following is a description of how to set the size of a sub-area in the case of dividing the target by three different network regions.
- the target includes at most one network node in each sub-area.
- the diameter d of the sub-area defined as the distance between the two farthest points in the sub-area, it should be understood that since the sub-area here is exemplified as a square, its diameter is equivalent to the diagonal of the square.
- the length, i.e., d r, which is unequal for the diameter and diagonal of the square below, cannot exceed the minimum distance D min between the network nodes, and the unit length r is then set to r ⁇ D min / .
- the minimum distance D min between the network nodes is the basic network «:, which varies according to different wireless networks. For example, in the Long Term Evolution (LTE) standard TR36.814, the minimum distance between network nodes D min Is specified as 35m;
- Case 2 The goal is to estimate connectivity between network nodes.
- the diameter d ⁇ r of the set sub-area does not exceed the minimum signal transmission radius r min of the network node, that is, , r ⁇ r min /VI.
- This goal is usually met in Mesh, Ad hoc, trunking, and LTE Device to Device (D2D) scenarios;
- Scenario 3 The goal is to ensure that one wireless link spans up to two sub-areas.
- the unit length r of the sub-area should be set to be not less than the network node.
- the maximum signal transmission radius r max that is, r ⁇ r max .
- each sub-region can be characterized by a quadlet formed by its Cartesian coordinate distribution boundary.
- each sub-region can be characterized by ⁇ 2 , ⁇ 2 ⁇ .
- Fig. 2B shows the polar coordinate system division method.
- the base station is the origin 0, the polar axis Ox establishes a polar coordinate system, the length r is a unit polar diameter, and the angle ⁇ is a unit polar angle, and the sub-areas are formed by the respective arcs and polar diameters shown in FIG. 2B.
- the cell served by the base station with the radius R is divided.
- the shape of the sub-areas in the polar coordinate system is not completely identical as shown in the figure, since the area of the sub-area is much smaller than the area of the coverage of the entire network, it is possible to adopt some approximations. Relationships to simplify calculations.
- the sub-area When setting the size of the sub-area, consider the sub-area with the largest area. Since the sub-area is still smaller than the whole network signal coverage, it is approximated as a square whose side lengths are respectively the polar diameter r And the arc length A on the edge of the cell, and because the polar angle ⁇ is small, there is an approximate relationship where 0 ⁇ ⁇ ⁇ 2 ⁇ .
- the unit polar diameter r and the unit polar angle ⁇ are set according to the network region division target.
- the diameter d of the sub-region cannot exceed the minimum distance D min between the network nodes, and there is an approximate relationship d-r and d- ⁇ R0, so that r ⁇ D min / and 0 ⁇ D min / V ⁇ R.
- Other cases are similar to the case of FIG. 2A, and are not described herein again.
- each sub-region can similarly be characterized by a quadlet formed by its polar coordinate distribution boundary.
- the quaternion ⁇ , ⁇ , ⁇ ⁇ can be used to characterize.
- the coordinate system is established with the serving base station in the cell as the origin, which is due to the characteristics of the actual network distribution and the relatively fixed location of the base station.
- it should be understood that it is of course also possible to establish a coordinate system with other suitable locations in the cell as the origin, for example in a wireless network (e.g., Ad hoc) where there is no base station.
- Ad hoc wireless network
- the unit is used to establish a coordinate system to divide the total network signal coverage of the plurality of cells, or a global coordinate system may be established by selecting an appropriate location in the global network composed of all cells as the origin, and the global coordinate is In the system, the signal coverage of the global network is divided into multiple sub-areas and the sub-areas are characterized, which is not limited by the present invention.
- the network node location unit 104 can be configured to determine sub-regions within the coverage of the network signal in which the network node is located based on the geographic location information of the network node.
- the geographical location information of the network node includes the longitude and latitude values of the geographical location of the network node, and the value can be obtained by Global Positioning System (GPS) measurement, or can also be obtained by network measurement (for example, triangulation). .
- the network node locating unit 104 may combine the longitude and the enthalpy value of the origin (eg, the base station) of the coordinate system established as described above and the coordinate system according to the obtained latitude and longitude values of the network node, and Its geographic location coordinates (ie, longitude and latitude values) are mapped to coordinates in the established coordinate system, eg, (x b yi ) or ( , ⁇ ), and based on the sub-region range interval in which the coordinates are located. Determine the sub-area where the network node is located.
- GPS Global Positioning System
- the wireless network resource management unit 106 can be configured to construct wireless network resource management information based on the sub-region in which the network node is located. In this way, the amount of processing can be reduced, facilitating rapid decision making such as dynamic network planning and wireless network resource allocation.
- FIG. 3 is a block diagram showing a functional configuration example of a network management device in a wireless communication system according to another embodiment of the present disclosure.
- the network management apparatus 300 in the wireless communication system may include a network area dividing unit 302, a network node positioning unit 304, a neighbor node determining unit 306, and a wireless network resource management unit 308.
- the functional configurations of the network region dividing unit 302 and the network node locating unit 304 are respectively the same as those of the network region dividing unit 102 and the network node locating unit 104 in the network management device 100 described above with reference to FIG. 1, and therefore are not Repeat the description of its details.
- An example of the functional configuration of the neighbor node determining unit 306 and the wireless network resource management unit 308 will be described in detail below.
- Neighbor node determining unit 306 can be configured to determine neighbor nodes that are capable of communicating directly with the network node based on the transmission characteristics of the network node.
- the manner in which the neighbor node determining unit 306 determines the distribution of neighbor nodes will be described in detail below with reference to FIG. 4 is a schematic diagram showing the distribution of neighbor nodes.
- a neighbor node is defined as a node that can communicate directly with a target network node, which is mainly subject to the network.
- the transmission range of the network node (including the minimum and maximum signal transmission radius).
- the neighbor node determining unit 306 determines that the node Pi is the target network node P. Neighbor node.
- the neighbor node determining unit 306 can also utilize the target network node P.
- the information of the sub-area in which it is located reduces the computational complexity of determining the neighbor nodes of the target network node Po.
- the neighbor node determining unit 306 can determine the specific neighbor node distribution by the following steps:
- the maximum distribution range of the neighbor nodes is determined according to the maximum signal transmission radius r max, which can be determined according to, for example, the relationship between r and r max shown in FIG. 4, and the maximum distribution range is
- the minimum transmission signal to determine the minimum radius r min neighbor node distribution the distribution range of the minimum network node to the target network node must P.
- the neighbor node can be determined according to, for example, the relationship between r and r min shown in FIG. 4, the minimum distribution range is the sub-region G 0 and the sub-region within the inner circle of G 0 in the case where P 0 is located, in the example shown in FIG. 4 . In the middle
- the sub-region represented by the L r J shadow grid that is, the sub-region G 0 ;
- the neighbor nodes of the target network node Po can be determined by the following steps:
- S21 According to the target network node P.
- the maximum signal transmission radius ⁇ and the sub-region edge length r are used to determine the maximum distribution range of its neighbor nodes, ie, P.
- Sub-region G a subregion of its outer raft;
- the maximum signal transmission radius is assumed to be, if the distance between nodes Pi and Po is
- the wireless network resource management unit 308 can be configured to be based on the determined neighbor nodes. To construct wireless network resource management information.
- the wireless network resource management information includes information about neighbor nodes of any network node, so that when the network device of the base station performs wireless network management, for example, it may be based on neighbor nodes.
- Dynamic network planning for information such as but not limited to device-to-device (D2D) connections and point-to-multipoint (PMP) connections between network nodes, and network nodes acting as relay nodes for other network nodes The judgment and the establishment of the connection between the two.
- D2D device-to-device
- PMP point-to-multipoint
- FIG. 5 is a block diagram showing an example of the functional configuration of the wireless network resource management unit shown in Fig. 3.
- the wireless network resource management unit 308 can include a network connectivity management module 502.
- the network connectivity management module 502 can be configured to manage a connected network formed by each network node and its neighbor nodes, wherein any two network nodes in the connected network can be composed of at least one wireless link or ones The wireless path communicates with each other.
- the network connectivity management module 502 is further configured to manage the connected sub-area network corresponding to the connected network and configured by the sub-areas in which the network nodes in the connected network are located.
- a connected sub-area network is introduced in the present disclosure, the purpose of which is to quickly manage changes of the original connected network caused by the movement or state change of a part of network nodes, which may be distributed in one or more Within adjacent sub-areas.
- Fig. 6 is a block diagram showing a functional configuration example of the network connectivity management module shown in Fig. 5.
- the network connectivity management module 502 can include a connectivity network establishing component 602 and a connectivity network update component 604.
- the connected network establishing component 602 can be configured to establish a connected network within the coverage of the network signal and a corresponding connected sub-area network based on the determined neighbor nodes.
- the connected network establishing component 602 can be configured to establish, for any target network node, a connected network composed of the related network node and the target network node based on the relevant network node associated with the target network node, wherein the related network node includes the target A neighbor node of a network node and a network node capable of communicating with the target network node through the neighbor node.
- the connected network establishing component 602 can also establish a connected sub-area network corresponding to the connected network according to the sub-area in which the target network node is located and the sub-area in which the related network node is located.
- the relevant network node of the above target network node includes a neighbor node of the target network node and all network nodes that directly and/or indirectly communicate with the target network node through the neighbor node, which may be located in the same sub-area as the target network node. It can also be located in different sub-areas.
- FIG. Fig. 7 is a diagram showing the distribution of a connected network and a connected sub-area network.
- the target network node is P.
- the connected network establishing component 602 can establish a connected network including the target network node P 0 and a corresponding connected sub-area network by the following steps:
- S31 Establish a target network node P.
- the target network node P is found in the sub-region G 0 .
- S32 is the sub-region G. Look for it about connected networks N. Neighbor subzone.
- the neighbor sub-area is defined as follows: If there is a radio link in the network, and the network nodes at both ends are respectively located in two sub-areas, the two sub-areas are mutually neighbor sub-areas with respect to the network. Look for sub-region G. About connecting network N. The specific process of the neighbor sub-area is: To connect to the network N. All network nodes within the network are not looking for network N. Neighbor nodes Qi, the sub-areas in which these neighbor nodes are located constitute a sub-area. . The set of neighbor sub-areas of the connected network N Q is denoted as ⁇ G M1 ⁇ (as shown by the slash grid in Fig. 7);
- step S33 Establish a connected network in the neighbor sub-area obtained in step S32. Specifically, for each of the neighbor sub-region sets ⁇ 0 141 ⁇ , the neighbor node Qi including the network node in the found connectivity network N 0 is established in the sub-region by using the method described in step S31. Connected network, all of these connected networks form a set ⁇ N 141 ⁇ ;
- step S34 Find neighboring sub-regions set ⁇ G 141 ⁇ ⁇ each sub-region of the G 141 about neighbor subregions which set in communication network 41, and establishes a communication network in each sub-region. The processing of step S34 is repeated as such until no new nodes can join the established connected network. Finally, the target network node P is established. Connected network N P0 ;
- S35 Establish a connected sub-area network N P . . Specifically, the connected network N P is established. In the process, at the same time, the sub-areas are connected to the network N P .
- the neighbor relationship thus establishing a connected sub-area network for the connected network Npo, denoted as fej, which describes the connectivity between the sub-areas.
- fej the connectivity between the sub-areas.
- the network N P is connected.
- the network nodes P a and P b at both ends of a wireless link are located in the sub-regions G a and G b , respectively, so that the sub-regions G a and G b are related to the connected network N P .
- the principle that is, first finding the neighbor node of the target network node within the coverage of the network signal, and then searching for the neighbor node of the neighbor node, repeating the operation until the network node location that satisfies the requirement is not found in the network coverage area All the found network nodes and the target network nodes form a connected network, and the sub-areas in which the network nodes are located constitute a connected sub-area network corresponding to the connected network, and other algorithms are used to establish the connected network and the connected sub-area network.
- the Connected Network Update Component 604 can be configured to update the established Connected Network and Connected Sub-Region Network based on the state and/or motion characteristics of the network node.
- the connected network update component 604 can be configured to be in the state of the network node and/or Or when the motion feature changes, the established connected network and the connected sub-area network are updated according to the change of the connected network and the connected sub-area involved in the network node.
- changes in the connected network and connected sub-areas caused by changes in the state and/or motion characteristics of the network nodes mainly include the following three cases. These three scenarios are described in detail below.
- Scenario 1 A new connected network is triggered due to the joining of the new target network node or the recovery of the working state of the original sleeping target network node. In this case, the neighboring node of the target network node is first searched. If all the neighboring nodes do not belong to any existing connected network, the connected network updating component 604 establishes a new connected network by the operation performed by the connected network establishing component 602.
- the connected network updating component 604 can directly join the target network node to the connected network; if all neighbor nodes belong to different existing Connected networks, the connected network update component 604 fuses the connected networks into a connected network; and if a part of the neighbor nodes do not belong to any existing connected network, the partial neighbor nodes are merged with the existing connected network into a connected network, and Continue to find neighbor nodes for this part of the neighbor nodes until no new nodes can join the merged connected network. At the same time, the connected network update component 604 also increases the connectivity between the sub-regions involved, thereby updating the existing connected sub-area network.
- Scenario 2 The target network node is down or the target network node is put to sleep. In this case, the association between the target network node and the neighboring node in the connected network is first canceled, and then the connectivity between the sub-areas in which the neighboring nodes are located is checked, if the connectivity is maintained (ie, the sub-areas can be found to be connected) The connected path) still belongs to the same connected sub-area network, otherwise it belongs to a different connected sub-area network, thereby dividing the original connected sub-area network into multiple sub-connected sub-area networks. At this time, each sub-connected sub-area network is independently connected, but each sub-connected sub-area network is not connected.
- the connected network update component 604 updates the existing connected network and the connected sub-area network accordingly.
- Case 3 Changes in the connected network and the connected sub-area network due to the movement of the target network node.
- the connected network updating component 604 determines, according to the motion characteristics of the target network node, the sequence of the sub-regions in which the network node is sequentially in motion, and determines when the network node loses connectivity with the original connected network. .
- the connected network updating component 604 determines, according to the motion characteristics of the target network node, the sequence of the sub-regions in which the network node is sequentially in motion, and determines when the network node loses connectivity with the original connected network.
- the connected network updating component 604 determines, according to the motion characteristics of the target network node, the sequence of the sub-regions in which the network node is sequentially in motion, and determines when the network node loses connectivity with the original connected network.
- the connected network updating component 604 determines, according to the motion characteristics of the target network node, the sequence of the sub-regions in which the network node is sequentially in motion
- the original connected network and the connected sub-area network are updated according to Case 2. For example, if only a sub-region node G b P b, P b when the node is no longer in communication with the primary communication network, the sub-region and G c G a lost connectivity is divided into two sub-sub-area communication network.
- the network connectivity management module 502 in the wireless network resource management unit 308 establishes a connected network between the network nodes and a connected sub-area network between the sub-areas in which the connected network is located according to the signal transmission range of the network node, and according to The working state and/or motion characteristics of the network node update the connectivity of the existing connected network and the connected sub-area network, providing a fast link selection basis for dynamic network planning.
- FIG. 8 is a block diagram showing another functional configuration example of the wireless network resource management unit 308.
- the wireless network resource management unit 308 may also include a network interference control management module 802.
- the network interference control management module 802 can be configured to estimate the interference range of the wireless network resources used by each of the network nodes to communicate with their neighboring nodes, and to manage the wireless network resources available to the respective network nodes based on the estimated interference range.
- FIG. Fig. 9 is a diagram showing the range of interference of the wireless link.
- the radio link interference range is defined as the range in which the signal strength of the radio network resources (here, the frequency resource) used by the network nodes at both ends of the radio link exceeds a predetermined signal strength threshold when communicating with each other. For example, as shown in Figure 9, assume network nodes at both ends of the wireless link.
- P a and P b fall in two adjacent sub-regions (represented by a shaded grid), and when the signal strength threshold is set to the signal strength of the maximum signal transmission radius, the shadow grid and the oblique can be determined.
- the area represented by the line grid is the coverage of the desired signal strength exceeding a predetermined signal strength threshold, i.e., the interference range of the wireless link.
- the interference range of the connected network can be determined, that is, the range of the signal strength of each spectrum used by all the wireless links in the connected network when communicating with each other exceeds the predetermined signal strength threshold.
- the interference range of the connected network can be determined by utilizing the interference range of the resulting single wireless link and superimposing the interference ranges of multiple wireless links using the same spectrum. Since the amount of processing of the wireless network resources in the network node unit may be too large in the case where the number of network nodes is large, it is preferable to perform wireless network resource management in units of sub-areas in which the respective network nodes are located.
- the network interference control management module 802 is further configurable to manage wireless network resources available to the sub-areas in which the respective network nodes are located based on the estimated interference range.
- the network interference control management module 802 can be further configured to establish an available wireless network resource distribution map for each of the sub-areas based on the wireless network resources available to each of the sub-areas.
- the network interference control management module 802 may identify, according to the interference range of the connected network determined as described above, an area other than the interference range of the given spectrum, and perform the operation on each frequency. A list of available frequency resources for each sub-area is established, and a map of available spectrum resources within the coverage of the network signal is established according to the list.
- the network interference control management module 802 may be further configured to re-determine the interference range of the wireless network resources involved by the network node, and according to the re-determined interference The scope is to update the distribution map of the original available wireless network resources.
- the network interference control management module 802 estimating the sub-areas covered by the interference range of the wireless link and the connected network, establishing a list of available wireless network resources of each sub-area to obtain the coverage of the network ft number
- the available wireless network resource distribution map can provide a fast decision basis for the refined resource allocation of the network and the wireless network resource allocation of the mobile network node.
- FIG. 10 is a block diagram showing a functional configuration example of a network management device in a wireless communication system according to still another embodiment of the present disclosure.
- the network management apparatus 1000 may include a network area dividing unit 1002, a motion characteristic estimating unit 1004, a network node positioning unit 1006, and a wireless network resource management unit 1008.
- the functional configuration of the network area dividing unit 1002 is the same as that of the network area dividing units 102 and 302 in the network management apparatuses 100 and 300 described above with reference to FIGS. 1 and 3, respectively, and the details thereof will not be repeatedly described herein.
- An example of the functional configuration of the motion feature estimation unit 1004, the network node positioning unit 1006, and the wireless network resource management unit 1008 will be described in detail below.
- the motion feature estimating unit 1004 may be configured to estimate the network section in units of sub-regions The motion characteristics of the point.
- the motion feature estimating unit 1004 may obtain the motion feature (including the motion direction and the rate) of the target network node by measuring and calculating, and map the obtained motion feature to the coordinate established by the network region dividing unit 1002 when dividing the sub-region.
- the rate value is tied, and the future motion state of the network node can also be predicted based on the value.
- the rate of motion of the target network node can be characterized by the number of sub-areas spanned per unit of time.
- the network node locating unit 1006 may be configured to determine, according to the motion characteristics of the network node estimated by the motion feature estimating unit 1004 and in conjunction with the current geographic location information of the network node, the sub-area and the per-column that the network node passes within the predetermined time. The dwell time in a sub-area, resulting in a positioning result for the network node.
- the network node locating unit 1006 obtains different positioning results depending on the state of motion of the network node.
- the positioning result is a sub-area where the network node is currently located;
- a nomadic network node that is, a network node that may stay at the location for a certain time after moving to a specific location, after a predetermined time measurement,
- the positioning result is a plurality of sub-areas that the network node has existed in the predetermined time; and for the mobile network node, that is, the network node that continuously moves without any stay, after a predetermined time measurement, the positioning result is the network node.
- a sequence of sub-regions that are sequentially placed during the movement of the predetermined time.
- the wireless network resource management unit 1008 may be configured to group the network nodes according to the positioning result and the motion characteristics of the network node, and construct the wireless network resource management information according to the grouped network nodes.
- the wireless network resource management unit 1008 approaches the location (eg, in the same sub-area or in a plurality of adjacent sub-areas) according to the positioning result and the motion feature of the network node and has the same motion feature (ie, the same).
- the nodes of the motion direction and the motion rate are identified as one group, and the wireless network resource management information is constructed according to the divided groups.
- the calculation amount can be greatly saved, thereby improving the processing efficiency, realizing the network dynamic programming and the wireless network resource allocation more efficiently, and improving the network performance, which is particularly obvious for the case where the network node mobility is high.
- the connected network in relation to the neighbor nodes, the connected network, the connected sub-area network, the available wireless network resource distribution map, the motion characteristics, and the like obtained by the above various functional components, One of the less is included in the wireless network resource management information for network end devices such as base stations for fast dynamic network planning and wireless network resource allocation in the wireless communication system.
- FIG. 11 is a schematic diagram showing an example of the flow of a method used in a wireless communication system according to an embodiment of the present disclosure.
- the method 1100 may include a network area dividing step S1102, a network node positioning step S1104, and a wireless network resource management step S1106.
- the network signal coverage can be divided into a plurality of sub-areas according to the transmission characteristics of the network node.
- the size of the sub-area may be determined according to the target of the network area division.
- the sub-area within the coverage of the network signal in which the network node is located may be determined according to the geographical location information of the network node, and then the method proceeds to step S1106.
- the wireless network resource management information can be constructed according to the sub-area in which the network node is located.
- FIG. Figure 12 is a flow chart showing an example of the flow of a method for use in a wireless communication system according to another embodiment of the present disclosure.
- the method 1200 can include a network region dividing step S1202, a network node positioning step S1204, a neighbor node determining step S1206, and a wireless network resource management step S1208.
- the processing in the network area dividing step S1202 and the network node positioning step S1204 is the same as the processing in the network area dividing step S1102 and the network node positioning step S1104 in the method 1100 described above with reference to FIG. 11, and the description thereof will not be repeated here. detail.
- the neighbor node determining step S1206 and the radio network resource management step S1208 will be mainly described in detail below.
- the method proceeds to step S1206.
- the neighbor node capable of directly communicating with the network node can be determined based on the transmission characteristics of the network node. Then, the method proceeds to step S1208.
- the wireless network resource management information can be constructed based on the neighbor nodes determined in step S1206.
- FIG. Fig. 13 is a flowchart showing a detailed processing example in the wireless network resource management step shown in Fig. 12.
- the wireless network resource management step S1208 may further include a network connectivity management step S1302.
- a connected network formed by each network node and its neighbor nodes may be managed, wherein any two network nodes in the connected network can be composed of at least one wireless link or ones The wireless path communicates with each other.
- the connected sub-area network corresponding to the connected network and configured by the sub-areas in which the network nodes in the connected network are located may also be managed.
- FIG. Fig. 14 is a flowchart showing a detailed processing example in the network connectivity management step shown in Fig. 13.
- the network connectivity management step S1302 may further include a connectivity network establishing step S1402 and a connectivity network updating step S1404.
- the connected network and the connected sub-area network within the coverage of the network signal may be established according to the determined neighboring node.
- the connected network establishing step S1402 for any target network node, based on the relevant network node associated with the target network node, establish a connected network composed of all relevant network nodes and target network nodes, and according to the target network node
- the sub-area at which the sub-area is located and the sub-area where the relevant network node is located establish a connected sub-area network corresponding to the connected network.
- the established connected network and the connected sub-area network may be updated according to the state and/or the motion characteristics of the network node.
- the connected network update step S1404 when the state and/or the motion feature of the network node changes, according to the change of the connected network and the connected sub-area network involved in the network node To update the established connected network and connected sub-area network.
- FIG. Fig. 15 is a flowchart showing another example of detailed processing in the wireless network resource management step shown in Fig. 12.
- the wireless network resource management step S1208 may further include a network interference control management step S1502.
- the interference range of the wireless network resources used when each network node communicates with its neighbor nodes can be estimated, and the available wireless network resources of each network node are managed according to the estimated interference range.
- the available wireless network resources of the sub-areas in which the respective network nodes are located may also be managed according to the estimated interference range.
- an available wireless network resource allocation map for each sub-area may be established based on the available wireless network resources of the respective sub-areas.
- the interference range involved by the network node may be re-determined, and the data is updated according to the re-determined interference range.
- FIG. 16 is a flowchart showing an example of a flow of a method used in a wireless communication system according to still another embodiment of the present disclosure.
- the method 1600 network 16 may include a region dividing step S1602, wherein the motion estimation step S1604, the network node positioning step S1606 and the wireless network resource management step S1608 o wherein the network area dividing step S1602 are above with reference to FIG. 11 and FIG.
- the processing in the network area dividing steps S1102 and 1202 in the method 1100 and the method 1200 described in FIG. 12 is the same, and the details thereof will not be repeatedly described herein.
- the motion feature estimation step S1604, the network node positioning step S1606, and the wireless network resource management step S1608 will be described in detail below.
- step S1604 the motion characteristics of the network node can be estimated in units of sub-regions. Next, the method proceeds to step S1606.
- the sequence of the sub-areas that the network node passes in the predetermined time and the dwell time in each sub-area may be determined according to the motion characteristics and the geographical location information of the network node, thereby obtaining the information about the network node. Position the results. After that, the method proceeds to Step S1608o
- the wireless network resource management information can be constructed according to the positioning result and the motion feature of the network node.
- the network nodes may be grouped according to the positioning result and the motion feature of the network node, and the wireless network resource management information is constructed according to the grouped network node.
- FIG. 17 is a block diagram showing a functional configuration example of a device in a wireless communication system according to an embodiment of the present disclosure.
- the device 1700 can include an information acquisition unit 1702 and a network planning unit 1704.
- the device 1700 may be a device located at the network side, for example, a base station or the like for providing services to network nodes within coverage.
- the information acquisition unit 1702 may be configured to acquire wireless network resource management information provided by the network management device in the wireless communication system described above.
- the wireless network resource management information herein may include, for example, information of a sub-area within a coverage of a network signal in which the network node is located, neighbor node information of a network node, a connected network within a coverage area of the network, and a connected sub-area network.
- Information such as distribution and available wireless network resource profiles for each sub-area within the coverage of the network signal may be stored in a database, such as included in a storage unit provided in device 1700.
- the network planning unit 1704 can be configured to perform network planning based on the acquired wireless network resource management information, including, for example, link selection and network establishment. For example, the network planning unit 1704 may receive the communication request initiated by the network node according to the acquired wireless network.
- the resource management information quickly determines whether the network node can establish a connection with the requested destination node, and causes the network node to communicate with the destination node through the selected communication path if it is determined that the connection can be established.
- the network planning unit 1704 may be configured to check the destination node information included in the communication request when receiving the communication request initiated by the network node, if according to the wireless network resource
- the neighbor node information included in the management information determines that the destination node indicated by the destination node information is a neighbor node of the network node, and instructs the network node to establish a device-to-device (D2D) connection with the destination node to directly communicate.
- D2D device-to-device
- the network planning unit 1704 may be configured to quickly find the D2D interconnection object as the network node from the set of neighbor nodes of the network node according to the neighbor node information. A network node, and instructing the network node to establish a D2D connection with the found network node that is the D2D interconnection object for communication.
- the network planning unit 1704 can be configured to quickly find a relay that can serve as the network node from the set of neighbor nodes of the network node based on the neighbor node information. The network node of the node. In addition, network planning unit 1704 can also instruct the network node to establish a connection with the found network node that can act as a relay node for communication.
- the network planning unit 1704 can be configured to check these communication requests upon receiving a communication request initiated by a plurality of network nodes.
- the destination node information included in the wireless network resource management information is determined according to the neighbor node information included in the wireless network resource management information, and the destination node included in the communication request of the multiple network nodes and the plurality of network nodes are neighbor nodes of a certain network node, And instructing the network node to establish a point-to-multipoint (PMP) connection with the plurality of network nodes and the corresponding destination node for communication.
- the network planning unit 1704 notifies the network node that it can communicate with the destination node.
- D2D connection and PMP connection belong to the case of a single-hop network, and In the case of a multi-hop network, that is, in the case where a certain network node is used as a relay node for communication, routing selection is also required, including judging whether there is an available route between the network node and the destination node, and establishing a network node and A route for communication between destination nodes.
- a network-wide unique ID may be set for each connected network within the coverage of the network signal, and each domain node is assigned a domain to store the ID, thereby determining the two network nodes.
- identifier a network-wide unique ID
- the routing can be selected by using the sub-area information included in the wireless network resource management information received from the network management apparatus, so that the amount of calculation can be reduced, which facilitates the rapid establishment of the route.
- the network planning unit 1704 may select, according to the connected sub-area network information, the network node and the destination node according to the sub-area where the network node and the destination node are located. Routing between communications and instructing the network node to communicate with the destination node through the selected route.
- the network planning unit 1704 may find the connectivity route between the sub-areas and the network state by using the connected sub-area network information based on the sub-areas in which the network node and the destination node are located, such as the overhead of establishing a link, and the link. Data traffic, etc.), thereby ultimately determining the preferred communication route between the network node and the destination node.
- efficient link selection and network establishment between network nodes can be realized, thereby realizing fast dynamic network planning, and the effect is particularly prominent in the case where the mobility of the network node is high.
- FIG. 18 is a block diagram showing a functional configuration example of a device in a wireless communication system according to another embodiment of the present disclosure.
- the apparatus 1800 may include an information acquisition unit 1802, a network planning unit 1804, and a wireless network resource allocation unit 1806.
- the functional configuration of the information acquiring unit 1802 and the network planning unit 1804 is the same as that of the information acquiring unit 1702 and the network planning unit 1704 in the device 1700 described above with reference to FIG. 17, and details thereof will not be repeatedly described herein. Only a functional configuration example of the wireless network resource allocation unit 1806 will be described below.
- the wireless network resource allocation unit 1806 may be configured to perform wireless network resource allocation according to the acquired wireless network resource management information.
- the wireless network resource allocating unit 1806 can check the destination node information included in the communication request when receiving the communication request initiated by the network node, based on the destination node represented by the destination node information and the sub-area where the network node is located.
- a wireless network resource for communication between the network node and the destination node is allocated according to the wireless network resource management information.
- the wireless network resource management information provided by the network management apparatus includes an available wireless network resource distribution map for each sub-area within the coverage of the network signal, by determining the relationship between any two network nodes to be communicated The information of the sub-areas, and the wireless network resources for communication are allocated according to the information, and mutual interference can be avoided, thereby improving communication quality.
- FIG. 19 is a block diagram showing a functional configuration example of a device in a wireless communication system according to still another embodiment of the present disclosure.
- the apparatus 1900 can include an information acquisition unit 1902, a network planning unit 1904, and a positioning unit 1906.
- the functional configurations of the information acquiring unit 1902 and the network planning unit 1904 are the same as those of the information acquiring units 1702 and 1802 and the network planning units 1704 and 1804 described above with reference to FIG. 18 and FIG. 18, respectively, and the description thereof will not be repeated herein. detail. Only a functional configuration example of the positioning unit 1906 will be described below.
- the location unit 1906 can be configured to obtain geographic location information for the network node. Specifically, in the case where the GPS module is installed, the geographical position information of the network node can be obtained by GPS measurement, or if the GPS module is not installed, the information can also be obtained by means of network measurement (for example, triangulation).
- the functions and operations of the network node can be further simplified, which is especially important for mobile devices with limited battery capacity and low power consumption devices.
- the location of the network management device is not defined in the above description. It may be located in devices 1700 to 1900 as, for example, a base station, or may be external to devices 1700 to 1900, for example, may be coordinated by a plurality of base stations. In the device. In the case where the network management device is located in the base station, each network management device is only responsible for maintaining network node distribution management within the signal coverage of the base station in which it is located, and the network management device is located in a coordinator common to a plurality of base stations. In this case, the network management device needs to be responsible for maintaining network node distribution management within the total signal coverage of the plurality of base stations. A person skilled in the art can set the location of the network management device according to the needs of the actual application, which is not limited by the present invention.
- FIG. Fig. 20 is a block diagram showing a functional configuration example of a device in a wireless communication system according to an embodiment.
- the device 2000 may include a sub-area information receiving unit 2002 and a notification unit 2004.
- the device 2000 may be a client device such as a PC (Personal Computer), a PDA (Personal Digital Assistant), a mobile phone, a tablet, or the like, that is, the above-described network node.
- PC Personal Computer
- PDA Personal Digital Assistant
- the sub-area information receiving unit 2002 may be configured to receive information of the sub-area in which the device 2000 is located from the above-described network management device.
- the notification unit 2004 can be configured to notify the network management device when it is determined based on the geographic location information of the device 2000 that the device 2000 is or has left its original sub-area.
- the client device periodically reports to its network management device its geographical location information through its notification unit to cause the network management device to check the current network node distribution status, and only the network node distribution is changing or has changed (ie, When the sub-area in which the network node is located is changing or has changed, the network device (for example, the above-mentioned devices 1700 to 1900) is triggered to perform network structure adjustment and wireless network resource allocation, thereby reducing network overhead to a certain extent. .
- the client device itself to judge whether it is or has left the original sub-area.
- the user equipment determines, according to information received from the network management device about the sub-area in which it is located, including the location and size of the sub-area, and the current geographic location information, whether it is still within the atomic area, if When it is judged that the atomic area is being or has been left, the network management device is notified by the notification unit, and the network management device re-determines the current network node distribution status, and triggers the network end device to perform network structure adjustment and wireless network resources according to the current network node distribution status. distribution. In this way, the waste of network resources can be further reduced.
- FIG. 21 is a block diagram showing a functional configuration example of an apparatus in a wireless communication system according to another embodiment of the present disclosure.
- the device 2100 may include a sub-region information receiving unit 2102, a positioning unit 2104, and a notification unit 2106.
- the functional configuration of the sub-region information receiving unit 2102 is the same as that of the sub-region information receiving unit 2002 in the device 2000 described above with reference to FIG. 20, and details thereof will not be repeatedly described herein. Only a functional configuration example of the positioning unit 2104 and the notification unit 2106 will be described below.
- the location unit 2104 can be configured to measure geographic location information of the device 2100. As described above, the geographic location information of the device 2100 can be obtained by using GPS measurements or network measurements (such as triangulation) of the GPS module.
- the notification unit 2106 can be configured to notify the network management device of the geographic location information of the device 2100 and notify the network management device when the geographic location information of the device 2100 determines that the device 2100 is or has left the atomic region.
- FIG. Fig. 22 is a schematic diagram showing an example of the architecture of a wireless communication system according to an embodiment of the present disclosure.
- the wireless communication system 2200 includes a network management device 2202, a network side device 2204, and a client device 2206.
- the network management device 2202 is, for example, the network management device described above with reference to FIG. 1 to FIG. 10
- the network device 2204 is, for example, the device in the wireless communication system described above with reference to FIGS. 17 to 19, and the client device 2206
- the apparatus in the wireless communication system described above with reference to FIGS. 20 to 21 details thereof will not be described herein.
- FIG. 22 is only a schematic diagram given for the sake of clarity, and the architecture of an actual wireless communication system is much more complicated.
- an embodiment of the present disclosure further provides a storage medium including machine readable program code, when the code is executed on the information processing device, the program code causes the information processing device to execute the foregoing A method for use in a wireless communication system as described in the disclosed embodiments.
- embodiments of the present disclosure also provide a program product including machine-executable instructions that, when executed on an information processing device, cause the information processing device to perform an embodiment as disclosed above A method for use in a wireless communication system.
- the storage shield is also included in the disclosure of the present invention.
- the storage medium includes, but is not limited to, a floppy disk, an optical disk, a magneto-optical disk, a memory card, a memory stick, and the like.
- a central processing unit (CPU) 2301 executes various processes in accordance with a program stored in a read only memory (ROM) 2302 or a program loaded from a storage portion 2308 to a random access memory (RAM) 2303.
- ROM read only memory
- RAM random access memory
- data required when the CPU 2301 performs various processes and the like is also stored as needed.
- the CPU 2301, the ROM 2302, and the RAM 2303 are connected to each other via a bus 2304.
- Input/output interface 2305 is also coupled to bus 2304.
- the following components are connected to the input/output interface 2305: an input portion 2306 including a mouse, etc.; an output portion 2307 including a display such as a cathode ray tube (CRT), a liquid crystal display (LCD), and the like, and a speaker, etc.;
- the storage section 2308 includes a hard disk or the like; and a communication section 2309 including a network interface card such as a LAN card, a modem, and the like.
- the communication section 2309 performs communication processing via a network such as the Internet.
- the driver 2310 is also connected to the input/output interface 2305 as needed.
- the removable medium 2311 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory or the like is mounted on the drive 2310 as needed, so that the computer program read therefrom is installed into the storage portion 2308 as needed.
- a program constituting the software is installed from a network such as the Internet or a storage medium such as the removable medium 2311.
- a storage medium is not limited to the removable medium 2311 shown in Fig. 23 in which a program is stored and distributed separately from the device to provide a program to the user.
- the detachable medium 2311 include a magnetic disk (including a floppy disk (registered trademark)), an optical disk (including a compact disk read only memory (CD-ROM) and a digital versatile disk (DVD)), and a magneto-optical disk (including a mini disk (MD) (registered trademark) )) and semiconductor memory.
- the storage medium may be a ROM 2302, a hard disk included in the storage section 2308, or the like, in which programs are stored, and distributed to the user together with the device containing them.
- steps of performing the series of processes described above may naturally be performed in chronological order according to the order illustrated, but need not necessarily be performed in chronological order. Some steps can Execute in parallel or independently of each other.
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Abstract
公开了一种无线通信系统中的网络管理装置、方法和装置,该网络管理装置包括:网络区域划分单元,被配置成才良据网络节点的传输特性将网络信号覆盖范围划分为多个子区域;网络节点定位单元,被配置成根据网络节点的地理位置信息确定网络节点所处的网络信号覆盖范围内的子区域;以及无线网络资源管理单元,被配置成根据网络节点所处的子区域,构建无线网络资源管理信息。根据本公开的实施例,能够实现快速动态网络规划和合理无线网络资源分配。
Description
无线通信系统中的网络管理装置、 方法和装置
技术领域
开一般涉及无线通信领域,更具体地, 涉及一种能够高效地实现 动态网络规划和无线网络资源分配的无线通信系统中的网络管理装置、方 法和装置。
背景技术
随着计算机和通信技术的迅猛 ,全球信息网络正在快速地向以因 特网协议 ( Internet Protocol, IP )为^ fiij的下一代网络 ( Next Generation Network, NGN )演进。 下一代网络的重要特征是多种无线通信技术并存 从而形成异构无线接入网。 异构无线接入网从无线技术、覆盖范围、 网络 架构、 网络性能等各个方面都具有丰富的内涵。 从覆盖范围方面来看, 无 线网络可以分为广域网 ( Wide Area Network , WAN )、 城域网 ( Metropolitan Area Network, MAN )、 局域网 ( Local Area Network, LAN )、 个域网 ( Personal Area Network, PAN )等等。 从网络架构方面 来看, 无线网络可以分为点到多点 ( Point-to-Multipoint, PMP ) 的单跳 网织 Single-hop Network )、多跳网^ ( Multi-hop Network )、网状网( Mesh Network )、 自组织网 (Ad hoc )等等。 这些无线网络在地理分布上形成 立体覆盖, 共同为用户提供无处不在的内容丰富的无线多媒体业务。
然而,异构网络增大了网络覆盖密度和网络布局的复杂性,从而加剧 了用户带宽需求和无线资源稀缺之间的矛盾。为了提高网络系统容量, 需 要更为精细的资源管理、 动态网络规划以及用户移动管理等技术的支持, 而这些技术的实施依赖于对网络节点分布信息的有效掌握。
发明内容
在下文中给出了关于本公开的简要概述,以便提供关于本公开的某些 方面的基本理解。但是, 应当理解, 这个概述并不是关于本公开的穷举性 概述。 它并不是意图用来确定本公开的关键性部分或重要部分,也不是意 图用来限定本公开的范围。其目的仅仅是以简化的形式给出关于本公开的 某些概念, 以此作为稍后给出的更详细描述的前序。
因此,鉴于以上情形,本公开的目的是提供一种能够高效地实现网络 节点分布管理的无线通信系统的网络管理装置、方法和装置。根据本公开 的实施例,通过将网络信号覆盖范围划分为多个子区域并且以子区域为单 位来进行网络节点分布管理, 大大降低了处理量, 从而为动态网络规划、 精细化网络资源分配和运动网络节点资源分配提供了快速决策依据。
根据本公开的一方面, 提供了一种无线通信系统中的网络管理装置, 其包括: 网络区域划分单元,被配置成根据网络节点的传输特性将网络信 号覆盖范围划分为多个子区域; 网络节点定位单元,被配置成根据网络节 点的地理位置信息确定网络节点所处的网 号覆盖范围内的子区域;以 及无线网络资源管理单元,被配置成根据网络节点所处的子区域,构建无 线网络资源管理信息。
根据本公开的优选实施例,该网络管理装置还可以包括:邻居节点确 定单元,被配置成根据网络节点的传输特性,确定能够与网络节点直接通 信的邻居节点。优选地,无线网络资源管理单元还可以被配置成基于所确 定的邻居节点来构建无线网络资源管理信息。
根据本公开的另一优选实施例,无线网络资源管理单元可以进一步包 括: 网络连通性管理模块,被配置成对每一网络节点及其邻居节点形成的 连通网络进行管理,其中,连通网络内的任意两个网络节点能够通过至少 一条由一个或多个无线链路组成的无线路径彼此通信。
才艮据本公开的另一优选实施例,网络连通性管理模块还可以被配置成 对与连通网络对应的、由连通网络内的各个网络节点所处的子区域构成的 连通子区域网进行管理。
根据本公开的另一优选实施例, 网络连通性管理模块可以进一步包 括: 连通网络建立部件, 被配置成才艮据所确定的邻居节点, 建立连通网络 和连通子区域网; 以及连通网络更新部件,被配置成根据网络节点的状态 和 /或运动特征, 对所建立的连通网络和连通子区域网进行更新。
才据本公开的另一优选实施例, 连通网络建立部件还可以被配置成: 对于任意目标网络节点,基于与目标网络节点相关的相关网络节点,建立 由所有相关网络节点和目标网络节点构成的连通网络,其中,相关网络节 点包括目标网络节点的邻居节点以及能够通过该邻居节点与目标网络节 点通信的网络节点;以及根据目标网络节点所处的子区域和相关网络节点 所处的子区域, 建立对应于该连通网络的连通子区域网。
根据本公开的另一优选实施例, 连通网络更新部件还可以被配置成: 当网络节点的状态和 /或运动特征变化时, 根据该网络节点涉及的连通网 络和连通子区域网的变化来对所建立的连通网络和连通子区域网进行更 新。
根据本公开的另一优选实施例,无线网络资源管理单元可以进一步包 括: 网络干扰控制管理模块,被配置成估计各个网络节点与其邻居节点进 行通信时所用的无线网络资源的干扰范围,并且根据所估计的干扰范围来 管理各个网络节点可用的无线网络资源。
根据本公开的另一优选实施例,网络干扰控制管理模块还可以被配置 成根据所估计的干扰范围对各个网络节点所处的子区域可用的无线网络 资源进行管理。
根据本公开的另一优选实施例,网络干扰控制管理模块还可以被配置 成根据各个子区域可用的无线网络资源建立关于各个子区域的可用无线 网络资源分布图。
根据本公开的另一优选实施例, 当网络节点的状态和 /或运动特征变 化时, 网络干扰控制管理模块还可以被配置成重新确定干扰范围,并且根 据重新确定的干扰范围来更新可用无线网络资源分布图。
根据本公开的另一优选实施例,网络区域划分单元还可以被配置成根 据网络区域划分的目标而确定子区域的大小。
根据本公开的另一优选实施例,该网络管理装置还可以包括运动特征 估计单元, 被配置成以子区域为单位估计网络节点的运动特征, 其中, 无 线网络资源管理单元还可以被配置成基于运动特征来构建无线网络资源 管理信息。
根据本公开的另一优选实施例,网络节点定位单元还可以被配置成根 据网络节点的运动特征,确定网络节点在预定时间内通过的子区域序列和 在每个子区域的驻留时间, 从而得到网络节点的定位结果。
根据本公开的另一优选实施例,无线网络资源管理单元还可以被配置 成根据网络节点的定位结果和运动特征对网络节点进行分组,并且根据分 组后的网络节点来构建无线网络资源管理信息。
才艮据本公开的另一方面, 还提供了一种用在无线通信系统中的方法, 其包括: 网络区域划分步驟,根据网络节点的传输特性将网^ ft号覆盖范 围划分为多个子区域; 网络节点定位步骤,根据网络节点的地理位置信息
确定网络节点所处的网络信号覆盖范围内的子区域;以及无线网络资源管 理步骤, 根据网络节点所处的子区域, 构建无线网络资源管理信息。
才艮据本公开的另一方面,还提供了一种无线通信系统中的装置,其包 括:信息获取单元,被配置成获取由根据本公开实施例的网络管理装置提 供的无线网络资源管理信息; 以及网络规划单元,被配置成根据无线网络 资源管理信息进行网络规划。
根据本公开的优选实施例,该装置还可以包括: 无线网络资源分配单 元,被配置成才艮据由网络管理装置提供的无线网络资源管理信息,进行无 线网络资源分配。
根据本公开的另一优选实施例, 该装置还可以包括: 定位单元, 被配 置成获取网络节点的地理位置信息。
根据本公开的另一优选实施例,网络规划单元还可以被配置成在接收 到网络节点发起的通信请求时,检查通信请求包含的目的节点信息,如果 根据无线网络资源管理信息中包含的邻居节点信息判断目的节点信息表 示的目的节点为该网络节点的邻居节点,则指示网络节点与目的节点建立 设备到设备连接以进行通信。
根据本公开的另一优选实施例,如果通信请求没有指定目的节点,则 网络规划单元还可以被配置成根据邻居节点信息从网络节点的邻居节点 集合中快速地寻找作为该网络节点的设备到设备互连对象的网络节点,并 且指示该网络节点与所找到的作为设备到设备互连对象的网络节点建立 设备到设备连接以进行通信。
根据本公开的另一优选实施例,网络规划单元还可以被配置成在接收 到网络节点发起的通信请求时,检查该通信请求是否允许通过其它网络节 点中继,如果允许通过其它网络节点中继,则根据无线网络资源管理信息 中包含的邻居节点信息而从该网络节点的邻居节点集合中寻找作为该网 络节点的中继节点的网络节点,并且指示该网络节点与所找到的作为中继 节点的网络节点建立连接以进行通信。
根据本公开的另一优选实施例,网络规划单元还可以被配置成在接收 到多个网络节点^的通信请求时,检查这多个通信请求中包含的目的节 点信息,如果根据无线网络资源管理信息中包含的邻居节点信息判断这多 个网络节点的通信请求中包含的目的节点和这多个网络节点都是某一网 络节点的邻居节点,则指示该网络节点与这多个网络节点及对应目的节点
建立点到多点连接以进行通信。
根据本公开的另一优选实施例,网络规划单元还可以被配置成在接收 到网络节点发起的通信请求时,检查通信请求中包含的目的节点信息,如 果根据无线网络资源管理信息中包含的连通网络信息判断目的节点信息 表示的目的节点与网络节点属于同一连通网络,则通知网络节点能够与目 的节点进行通信。
才艮据本公开的另一优选实施例,如果目的节点与网络节点属于同一连 通网络,则网络规划单元还可以被配置成基于目的节点和网络节点所处的 子区域,根据无线网络资源管理信息中包含的连通子区域网信息选择用于 目的节点和网络节点之间的通信的路由,并指示网络节点通过所选择的路 由与目的节点进行通信。
根据本公开的另一优选实施例,无线网络资源分配单元还可以被配置 成在接收到网络节点发起的通信请求时,检查通信请求中包含的目的节点 信息,基于目的节点信息表示的目的节点和网络节点所处的子区域,根据 无线网络资源管理信息来分配用于网络节点与目的节点之间的通信的无 线网络资源。
才据本公开的另一方面,还提供了一种无线通信系统中的装置,其包 括: 子区域信息接收单元,被配置成从根据本公开实施例的网络管理装置 接收该装置所处的子区域的信息; 以及通知单元,被配置成在根据装置的 地理位置信息判断该装置正在或已经离开子区域时通知网络管理装置。
根据本公开的优选实施例, 该装置还可以包括: 定位单元, 被配置成 测量地理位置信息。优选地,通知单元还可以被配置成将该地理位置信息 通知给网络管理装置。
才艮据 开的另一方面,还提供了一种存储介质,该存储介质包括机 器可读的程序代码, 当在信息处理设备上执行程序代码时,该程序代码使 得信息处理设备执行以下步骤: 网络区域划分步骤,根据网络节点的传输 特性将网^ ί言号覆盖范围划分为多个子区域; 网络节点定位步骤,根据网 络节点的地理位置信息确定网络节点所处的网络信号覆盖范围内的子区 域; 以及无线网络资源管理步骤, 根据网络节点所处的子区域, 构建无线 网络资源管理信息。
才艮据本公开的另一方面,还提供了一种程序产品,该程序产品包括机 器可执行的指令, 当在信息处理设备上执行指令时,该指令使得信息处理
设备执行以下步骤: 网络区域划分步骤,根据网络节点的传输特性将网络 信号覆盖范围划分为多个子区域; 网络节点定位步骤,才艮据网络节点的地 理位置信息确定网络节点所处的网 ^ft号覆盖范围内的子区域;以及无线 网络资源管理步驟,才艮据网络节点所处的子区域,构建无线网络资源管理 信息。
根据本公开的实施例,通过将网络信号覆盖范围划分为多个子区域并 且以子区域为单位来管理无线网络节点分布,有利于快速动态网络规划和 合理无线网络资源分配,从而能够在有限的无线网络资源的情况下更好地 满足用户带宽需求。
在下面的说明书部分中给出本公开实施例的其它方面,其中,详细说 明用于充分地公开本公开实施例的优选实施例, 而不对其施加限定。
附图说明
本公开可以通过参考下文中结合附图所给出的详细描述而得到更好 的理解,其中在所有附图中使用了相同或相似的附图标记来表示相同或者 相似的部件。所述附图连同下面的详细说明一起包含在本说明书中并形成 说明书的一部分,用来进一步举例说明本公开的优选实施例和解释本公开 的原理和优点。 其中:
图 1 是示出根据 开的实施例的无线通信系统中的网络管理装置 的功能配置示例的框图;
图 2A和图 2B是示出用于将网络信号覆盖范围划分为多个子区域的 方式的示例的示意图;
图 3是示出根据 开的另一实施例的无线通信系统中的网络管理 装置的功能配置示例的框图;
图 4是示出邻居节点分布的示意图;
图 5是示出图 3所示的无线网络资源管理单元的功能配置示例的框 图;
图 6是示出图 5所示的网络连通性管理模块的功能配置示例的框图; 图 7是示出连通网络和连通子区域网的分布的示意图;
图 8是示出图 3所示的无线网络资源管理单元的另一功能配置示例的
框图;
图 9是示出无线链路干扰范围的示意图;
图 10是示出根据^开的又一实施例的无线通信系统中的网络管理 装置的功能配置示例的框图;
图 11是示出根据 开的实施例的用在无线通信系统中的方法的流 程示例的流程图;
图 12是示出根据^开的另一实施例的用在无线通信系统中的方法 的流程示例的流程图;
图 13是示出图 12所示的无线网络资源管理步骤中的详细处理示例的 流程图;
图 14是示出图 13所示的网络连通性管理步骤中的详细处理示例的流 程图;
图 15是示出图 12所示的无线网络资源管理步骤中的详细处理的另一 示例的流程图;
图 16是示出根据 开的又一实施例的用在无线通信系统中的方法 的流程示例的流程图;
图 17是示出根据^开的实施例的无线通信系统中的装置的功能配 置示例的框图;
图 18示出根据 开的另一实施例的无线通信系统中的装置的功能 配置示例的框图;
图 19是示出根据^开的又一实施例的无线通信系统中的装置的功 能配置示例的框图;
图 20是示出根据^ 开的实施例的无线通信系统中的装置的功能配 置示例的框图;
图 21是示出根据 开的另一实施例的无线通信系统中的装置的功 能配置示例的框图;
图 22是示出根据本公开的实施例的无线通信系统的架构示例的示意 图; 以及
图 23是示出作为 开的实施例中可采用的信息处理设备的个人计 算机的示例结构的框图。
具体实施方式
在下文中将结合附图对本公开的示范性实施例进行描述。为了清楚和 简明起见, 在说明书中并未描述实际实施方式的所有特征。 然而, 应该了 解,在开发任何这种实际实施例的过程中必须做出很多特定于实施方式的 决定, 以便实现开发人员的具体目标, 例如, 符合与系统及业务相关的那 些限制条件, 并且这些限制条件可能会随着实施方式的不同而有所改变。 此外, 还应该了解, 虽然开发工作有可能是非常复杂和费时的, 但对得益 于 开内容的本领域技术人员来说, 这种开发工作仅仅是例行的任务。
在此,还需要说明的一点是,为了避免因不必要的细节而模糊了本公 开, 在附图中仅仅示出了与根据本公开的方案密切相关的设备结构和 /或 处理步骤, 而省略了与本公开关系不大的其它细节。
首先,以下将参照图 1来描述根据本公开的实施例的无线通信系统中 的网络管理装置的功能配置的示例。图 1是示出根据本公开的实施例的无 线通信系统中的网络管理装置的功能配置示例的框图。
如图 1所示,无线通信系统中的网络管理装置 100可包括网络区域划 分单元 102、 网络节点定位单元 104和无线网络资源管理单元 106。
如上所述,精细化的无线资源管理和动态网络规划需要知道无线网络 中的网络节点所处的位置 ,从而根据网络节点的位置来提供信道和链路资 源并确定网络结构的转换。然而,在网络节点数量较大的情况下尤其是网 络节点具有高速移动性的情况下,传统的以节点为单位进行无线网络管理 的方法是低效的。 因此,一种有效的方法是根据网络区域划分的目标而将 网络信号覆盖范围划分为多个子区域,每个子区域内可包括一个或多个网 络节点, 并且以子区域为单位来进行无线网络管理。 然而, 应理解, 除了 以子区域为单位来进行无线网络管理之外,还可以根据需要而以分层方式 来进行无线网络管理,例如, 以两个或更多个子区域作为一个基本单位来 进行无线网络管理, 开对此不做限制。 在下文中, 为了便于说明, 以 基于所划分而成的单位子区域来管理无线网络资源的情况作为示例来描 述本公开的原理, 但这并不构成对本公开的任何限制。
网络区域划分单元 102 可以被配置成根据网络节点的传输特性而将 网络信号覆盖范围划分为多个子区域。
在划分子区域时,其核心问题在于确定子区域的形状、大小以及表征
方法。 应理解, 子区域的形状可以是任意形状。 但是, 为了便于管理, 有 效的方法是首先以规则的单位形状来划分网络信号覆盖范围,然后根据需 要将多个单位形状进行组合。 在下文中, 为了便于描述, 作为示例, 以所 确定的单位形状作为子区域来描述本发明的实施例。
此外,优选地, 网络区域划分单元 102还可以被配置成基于网络区域 划分的目标而确定子区域的大小。
下面将参照图 2A和图 2B来描述用于根据网络区域划分的目标而将 网络信号覆盖范围划分为多个子区域的方式的示例。 图 2A和图 2B是示 出用于将网^ ft号覆盖范围划分为多个子区域的方式的示例的示意图。
图 2A示出了直角坐标系划分法。具体地, 以例如基站为原点 O建立 直角坐标系, 以长度 r作为单位长度, 则每个边长为 r的单位方格形成一 个子区域, 以此来对半径为 R的、 基站所服务的小区 (即, 基站的网络 信号覆盖范围)进行划分。 优选地, 单位长度 r可以根据网络区域划分的 目标来设定。作为示例, 以下给出了在三种不同的网络区域划分目标的情 形下如何来设定子区域的大小的方式。
a) 情形 1: 目标为每个子区域内最多包括一个网络节点。在该情况下, 可以理解,子区域的直径 d (定义为子区域中最远的两点间的距离, 应理解, 由于这里的子区域示例为正方形, 因此其直径相当于正方 形的对角线长度, 即 d= r, 下文中对于正方形的直径和对角线不 加区分)不能超过网络节点间最小距离 Dmin, 于是将单位长度 r设 定为 r≤Dmin/ 。其中, 网络节点间最小距离 Dmin为网络基本 «:, 其根据不同的无线网络而变化,例如,在长期演进技术(Long Term Evolution, LTE )标准 TR36.814中, 网络节点间最小距离 Dmin被 规定为 35m;
b) 情形 2: 目标为估计网络节点间的连通性。 在该情况下, 应理解, 为保证任一条无线链路两端的网络节点分别属于不同的子区域, 则 设定子区域的直径 d= ^ r 不超过网络节点的最小信号传输半径 rmin, 即, r≤rmin/VI。 通常在 Mesh、 Ad hoc, 中继网以及 LTE的 设备到设备( Device to Device, D2D )情形中需要满足该目标; 以 及
c) 情形 3: 目标为保证一条无线链路最多跨越两个子区域。 在该情况 下, 可以理解, 应将子区域的单位长度 r设定为不小于网络节点的
最大信号传输半径 rmax, 即, r≥rmax。
尽管给出了在上述三种示例情形下来设定子区域大小的方式的示例, 但 理解,本领域技术人员也可以根据其它网络区域划分目标而适当地 设定子区域的大小, 或者在某些情况下可能需要同时满足上述多个目标。
在釆用直角坐标系的情况下,每个子区域可以以其直角坐标分布边界 形成的四元组来表征。例如,对于图 2A所示的阴影网格,可用 {^^2,^^2} 来表征。
图 2B示出了极坐标系划分法。 具体地, 以例如基站为原点 0, 引极 轴 Ox建立极坐标系, 以长度 r为单位极径, 以角度 Θ为单位极角, 由图 2B所示的各个圆弧和极径构成子区域, 以此来对半径为 R的、 基站所服 务的小区进行划分。应注意, 尽管如图所示, 极坐标系下的子区域的形状 不完全一致,但是由于子区域的面积与整个网 ^ft号覆盖范围的面积相比 小得多, 因此可以通过采用一些近似关系来简化计算。在设定子区域的大 小时, 考虑面积最大的子区域, 由于与整个网络信号覆盖相比, 该子区域 仍较小, 因此将其近似为一个正方形, 该方形的边长分别为极径 r和小区 边缘上的弧长 A, 同时因为极角 Θ较小, 因此存在近似关系 其中 0≤θ≤2π。
才艮据以上近似关系,与以上参照图 2Α描述的直角坐标系划分法类似, 根据网络区域划分目标来设定单位极径 r和单位极角 θ。 例如, 在目标为 每个子区域最多包括一个网络节点的情况下,子区域的直径 d不能超过网 络节点间最小距离 Dmin, 又存在近似关系 d- r以及 d- ^R0, 从而可以 得到 r≤Dmin/ 且 0≤Dmin/V^R。 其它情况与图 2A的情况类似, 在此不再 赘述。
在采用极坐标系的情况下,每个子区域类似地也可以用其极坐标分布 边界形成的四元组来表征。 例如, 对于图 2B所示的阴影区域, 可以用四 元组 { , ^,θ^来表征。
应指出的是, 在以上描述中,作为示例, 以小区中的服务基站作为原 点来建立坐标系,这是由于考虑到了实际网络分布的特点和基站位置相对 固定的特点。 然而, 应理解, 当然也可以以小区中的其它适当地点作为原 点来建立坐标系, 例如在不存在基站的无线网络(例如 Ad hoc ) 中。 此 外,还应理解,尽管以上以各个小区中的服务基站作为原点建立多个局部 坐标系来划分和表征子区域,但是应理解,也可以将多个小区作为一个管
理单位来建立坐标系从而对这多个小区的总网络信号覆盖范围进行划分, 或者也可以在由所有小区构成的全局网络中选择适当地点作为原点来建 立一个全局坐标系,并在该全局坐标系中将全局网络的信号覆盖范围划分 为多个子区域并对子区域进行表征, 本发明对此不做限制。
返回参照图 1, 网络节点定位单元 104可以被配置成根据网络节点的 地理位置信息确定该网络节点所处的网络信号覆盖范围内的子区域。
网络节点的地理位置信息包括该网络节点的地理位置的经度和纬度 值, 该值可以通过全球定位系统(Global Positioning System, GPS )测 量获得, 或者也可以通过网络测量(例如, 三角测量)来获得。 然后, 网 络节点定位单元 104可以根据所获得的网络节点的经度和締度值,结合如 上所述建立的坐标系的原点(例如, 基站)的经度和繂度值以及坐标系的 建立方式, 将其地理位置坐标(即, 经度和纬度值)映射为所建立的坐标 系中的坐标, 例如, (xb yi )或( ,θί ), 并且才艮据该坐标所处的子区域范 围区间而确定网络节点所处的子区域。
无线网络资源管理单元 106可以被配置成才艮据网络节点所处的子区 域, 构建无线网络资源管理信息。 以此方式, 可以减少处理量, 有利于例 如动态网络规划和无线网络资源分配的快速决策。
下面将参照图 3 来描述根据 开的另一实施例的无线通信系统中 的网络管理装置的功能配置的示例。图 3是示出根据本公开的另一实施例 的无线通信系统中的网络管理装置的功能配置示例的框图。
如图 3 所示, 才艮据本实施例的无线通信系统中的网络管理装置 300 可以包括网络区域划分单元 302、 网络节点定位单元 304、 邻居节点确定 单元 306和无线网络资源管理单元 308。 其中, 网络区域划分单元 302和 网络节点定位单元 304的功能配置分别与以上参照图 1描述的网络管理装 置 100中的网络区域划分单元 102和网络节点定位单元 104的功能配置相 同, 因此在此不重复描述其细节。 下面将详细描述邻居节点确定单元 306 和无线网络资源管理单元 308的功能配置的示例。
邻居节点确定单元 306可以被配置成根据网络节点的传输特性,确定 能够与该网络节点直接通信的邻居节点。
下面将结合图 4详细描述邻居节点确定单元 306确定邻居节点分布的 方式。 图 4是示出邻居节点分布的示意图。
邻居节点被定义为能够与目标网络节点直接通信的节点,其主要受网
络节点的传输范围 (包括最小和最大信号传输半径) 的影响。
假设所有网络节点的最小和最大信号传输半径均一样, 分别为 rmin 和 rmax (如图 4所示), 目标网络节点为 P。, 则对于任意网络节点 Pi, 如 果 Pi与 Po之间的距离
则邻居节点确定单元 306确定节点 Pi 为目标网络节点 P。的邻居节点。
优选地, 由于上述网络区域划分单元 302 和网络节点定位单元 304 已确定了子区域的大小以及各个网络节点所处的子区域,因此邻居节点确 定单元 306还可以借助于目标网络节点 P。所处的子区域的信息来减少确 定目标网络节点 Po的邻居节点的计算复杂度。
具体地, 假设目标网络节点 Po所处的子区域为 Go, 以阴影网格来表 示, 其边长为 r, 邻居节点确定单元 306可以通过如下步驟来确定具体的 邻居节点分布:
S11: 首先, 才艮据最大信号传输半径 rmax来确定邻居节点的最大分布 范围,才艮据例如图 4所示的 r和 rmax的关系可以确定,该最大分布范围为
P0所在的子区域 Go和 G0外 内的子区域, 在图 4的示例中即为子 区域 G。加上斜线网格所表示的区域;
S12: 然后, 根据最小信号传输半径 rmin来确定邻居节点的最小分布 范围,该最小分布范围中的网络节点必定为目标网络节点 P。的邻居节点, 根据例如图 4所示的 r和 rmin的关系可以确定, 该最小分布范围为 P0所 在的子区域 G0和 G0内 圈内的子区域, 在图 4所示的示例中即为阴
L r J 影网格所表示的子区域, 即, 子区域 G0;
S13: 接下来, 对于在步骤 S11和 S12中所确定的最大分布范围与最 小分布范围之间的区域中的任意网络节点 Pi, 判断其与目标网络节点 P0 之间的距离差是否超过最大信号传输半径 rmax, 若不超过, 则确定节点 Pi为目标网络节点 Po的邻居节点。
可以看出,通过借助于目标网络节点所处的子区域信息来大致划定其 邻居节点的分布范围, 可以大大减少计算量。
另一方面,在网络信号覆盖范围内的无线网络节点的最大和最小信号 传输半径不相同的情况下, 与上述情况类似,可以通过以下步骤来确定目 标网络节点 Po的邻居节点:
S21: 根据目标网络节点 P。的最大信号传输半径 ^和子区域边长 r 来确定其邻居节点的最大分布范围, 即, P。所在的子区域 G。及其外 圏的子区域;
S22:对于在步驟 S21中所确定的最大分布范围内的任意网络节点 Pi, 假设其最大信号传输半径为 , 若节点 Pi 与 Po之间的距离 |P「P。|≤min{riL, J, 则确定节点 Pi为目标网络节点 P。的邻居节点。 优选地,在邻居节点确定单元 306确定了各个网络节点的邻居节点之 后,无线网络资源管理单元 308可以被配置成基于所确定的邻居节点来构 建无线网络资源管理信息。应理解, 在该情况下, 无线网络资源管理信息 包括关于任意网络节点的邻居节点的信息,从而在例如基站的网络端设备 进行无线网络管理时, 可以基于邻居节点信息而快速地进行动态网络规 划, 例如包括但不限于网络节点之间的设备到设备(D2D )连接和点到多 点 (PMP )连接的判断和建立以及网络节点作为其它网络节点的中继节 点的判断和两者连接的建立。
下面将参照图 5来描述图 3所示的无线网络资源管理单元 308的功能 配置的示例。图 5是示出图 3所示的无线网络资源管理单元的功能配置示 例的框图。
如图 5所示,无线网络资源管理单元 308可以包括网络连通性管理模 块 502。
网络连通性管理模块 502 可以被配置成对每一网络节点及其邻居节 点形成的连通网络进行管理,其中,连通网络内的任意两个网络节点能够 通过至少一条由一个或多个无线链路组成的无线路径而彼此通信。
优选地,网络连通性管理模块 502还可以被配置成对与连通网络对应 的、由连通网络内的各个网络节点所处的子区域构成的连通子区域网进行 管理。
应指出,连通网络本身可以满足任何关于链路选择和连通性管理的需 求, 但是对于网络节点较多的多跳网络, 其管理是低效的, 对于节点具有
高速移动性的情形尤其明显。 因此, 在本公开中引入了连通子区域网, 其 目的是为了对由部分网络节点的移动或状态变化而引起的原连通网络的 变化进行快速管理,这部分网络节点可能分布在一个或多个相邻的子区域 内。
接下来将参照图 6描述图 5所示的网络连通性管理模块 502的功能配 置的示例。图 6是示出图 5所示的网络连通性管理模块的功能配置示例的 框图。
如图 6所示, 网络连通性管理模块 502可以包括连通网络建立部件 602和连通网络更新部件 604。
连通网络建立部件 602可以被配置成才艮据所确定的邻居节点,建立网 络信号覆盖范围内的连通网络和相应的连通子区域网。
具体地, 连通网络建立部件 602 可以被配置成对于任意目标网络节 点,基于与目标网络节点相关的相关网络节点,建立由相关网络节点和目 标网络节点构成的连通网络,其中,相关网络节点包括目标网络节点的邻 居节点以及能够通过该邻居节点与目标网络节点通信的网络节点。连通网 络建立部件 602还可以才艮据目标网络节点所处的子区域和相关网络节点 所处的子区域, 建立与连通网络对应的连通子区域网。
应理解,上述目标网络节点的相关网络节点包括目标网络节点的邻居 节点以及直接地和 /或间接地通过邻居节点与目标网络节点通信的所有网 络节点,其可以与目标网络节点位于同一子区域内也可以位于不同的子区 域内。
下面将结合图 7来详细描述连通网络建立部件 602建立连通网络和相 应的连通子区域网的过程。图 7是示出连通网络和连通子区域网的分布的 示意图。
作为示例, 如图 7所示, 假设目标网络节点为 P。并且位于子区域 G0 内,则连通网络建立部件 602可以通过如下步骤来建立包括目标网络节点 P0的连通网络和相应的连通子区域网:
S31:建立目标网络节点 P。所在的子区域 G。内的连通网络 N。。具体地, 在子区域 G0内寻找目标网络节点 P。的所有邻居节点 Pi,然后继续在子区 域 Go内寻找这些邻居节点 Pi的邻居节点 ΡΛ 重复该操作, 直到子区域 Go内不再有新的网络节点加入该连通网络。 这样就建立了目标网络节点 P0所在的子区域 G。内的连通网络 N0;
S32: 为子区域 G。寻找其关于连通网络 N。的邻居子区域。 邻居子区 域被定义为如下: 如果在网络内存在一条无线链路,其两端的网络节点分 别位于两个子区域内, 则这两个子区域关于该网络互为彼此的邻居子区 域。寻找子区域 G。关于连通网络 N。的邻居子区域的具体过程为: 为连通 网络 N。内的所有网络节点寻找不在网络 N。内的邻居节点 Qi,这些邻居节 点所在的子区域构成子区域。。关于连通网络 NQ的邻居子区域集合,记为 {GM1} (如图 7中的斜线网格所示);
S33: 在步骤 S32中得到的邻居子区域内建立连通网络。 具体地, 对 于邻居子区域集合 {0141}中的每个子区域,利用在步骤 S31中描述的方法, 在该子区域内建立包括上述寻找到的连通网络 N0内的网络节点的邻居节 点 Qi的连通网络, 所有这些连通网络构成集合 {N141};
S34: 寻找邻居子区域集合 {G141}†的每个子区域 G141关于其连通网 络 41的邻居子区域集合,并且在各个子区域内建立连通网络。如此重复 步骤 S34的处理,直到没有新的节点可以加入已建立的连通网络为止。最 终, 建立了包含目标网络节点 P。的连通网络 NP0;
S35: 建立连通子区域网 NP。。 具体地, 在建立连通网络 NP。的过程 中, 同时得到了子区域之间关于连通网络 NP。的邻居关系, 这样就建立了 关于连通网络 Npo的连通子区域网, 记为 fej, 其描述了子区域之间的连 通关系。 如图 7所示, 对于子区域 Ga和 Gb, 由于连通网络 NP。中有一条 无线链路的两端的网络节点 Pa和 Pb分别位于子区域 Ga和 Gb内, 因此子 区域 Ga和 Gb关于连通网络 NP。互为邻居。
应理解,尽管以上结合图 7描述了连通网络建立部件 602建立连通网 络和相应的连通子区域网的具体过程,但是应理解,这仅是示例而非限制, 本领域技术人员可以根据本公开的原理, 即, 首先在网络信号覆盖范围内 寻找目标网络节点的邻居节点, 然后寻找邻居节点的邻居节点,重复该操 作, 直至在网^ [言号覆盖范围内找不到满足要求的网络节点位置,所有找 到的网络节点和目标网络节点构成连通网络,并且这些网络节点所在的子 区域构成与该连通网络对应的连通子区域网,釆用其它算法来建立连通网 络和连通子区域网。
返回参照图 6, 连通网络更新部件 604可以被配置成 据网络节点的 状态和 /或运动特征, 对所建立的连通网络和连通子区域网进行更新。
优选地, 连通网络更新部件 604可以被配置成当网络节点的状态和 /
或运动特征变化时,根据该网络节点所涉及的连通网络和连通子区域的变 化来对已建立的连通网络和连通子区域网进行更新。
具体来说, 由网络节点的状态和 /或运动特征的变化引起的连通网络 和连通子区域的变化主要包括以下三种情形。下面将分别对这三种情形进 行详细描述。
a) 情形 1: 由于新目标网络节点的加入或原来休眠的目标网络节点恢 复工作状态而引发新建连通网络。 在该情形下, 首先寻找该目标网 络节点的邻居节点, 如果所有邻居节点都不属于任何已有连通网 络, 则连通网络更新部件 604通过上述连通网络建立部件 602执行 的操作来建立新的连通网络以对现有连通网络进行更新; 如果所有 邻居节点都属于同一已有连通网络, 则连通网络更新部件 604将该 目标网络节点直接加入该连通网络即可; 如果所有邻居节点分别属 于不同的已有连通网络, 则连通网络更新部件 604将这些连通网络 融合为一个连通网络; 以及如果一部分邻居节点不属于任何已有连 通网络, 则将这部分邻居节点与已有连通网络融合为一个连通网 络, 并继续为这部分邻居节点寻找邻居节点, 直到没有新的节点能 够加入该融合后的连通网络为止。与此同时,连通网络更新部件 604 还增加所涉及的子区域间的连通性, 从而更新已有的连通子区域 网。
b) 情形 2: 目标网络节点关闭或目标网络节点进入休眠状态。 在该情 形下, 首先取消该目标网络节点与其所在的连通网络中的邻居节点 的关联, 然后检查各邻居节点所在的子区域之间的连通性, 如果保 持连通(即, 能够找到连通这些子区域的连通路径), 则仍属于同 一连通子区域网, 否则属于不同的连通子区域网, 从而将原连通子 区域网分成多个子连通子区域网。 此时, 每个子连通子区域网是独 立连通的, 但是各子连通子区域网之间不连通。 连通网络更新部件 604据此对已有的连通网络和连通子区域网进行更新。
c) 情形 3: 由于目标网络节点的运动引起的连通网络和连通子区域网 的变化。 在该情形下, 连通网络更新部件 604根据从目标网络节点 的运动特征所得到的、该网络节点在运动过程中依次所处的子区域 序列, 判断该网络节点何时与原连通网络失去连通性。 例如, 如图 7所示, 在子区域 Gb中存在一个运动网络节点 Pb, 其沿着箭头所 指示的方向移动, 根据其最大信号传输半径 rmax可知, 当 Pb移动
^横线网格区域内时, 其信号覆盖范围与连通子区域网没有重合 部分, 因此失去与原连通网络的连通性。 此时, 按照情形 2对原连 通网络和连通子区域网进行更新。 例如, 假如子区域 Gb中只有节 点 Pb, 当节点 Pb与原连通网络不再连通时, 子区域 Ga和 Gc就失 去了连通性而被分割为两个子连通子区域网。
根据以上实施例,无线网络资源管理单元 308中的网络连通性管理模 块 502 通过根据网络节点的信号传输范围建立网络节点间的连通网络以 及连通网络所在的子区域间的连通子区域网,并且根据网络节点的工作状 态和 /或运动特征更新已有的连通网络和连通子区域网的连通性, 为动态 网络规划提供了快速链路选择依据。
下面,将参照图 8来描述图 3所示的无线网络管理单元 308的另一功 能配置示例。图 8是示出无线网络资源管理单元 308的另一功能配置示例 的框图。
如图 8所示,无线网络资源管理单元 308还可以包括网络干扰控制管 理模块 802。
网络干扰控制管理模块 802 可以被配置成估计各个网络节点与其邻 居节点进行通信时所用的无线网络资源的干扰范围,并且 ¾1据所估计的干 扰范围来管理各个网络节点可用的无线网络资源。
具体地,将参照图 9来描述无线链路干扰范围的确定。 图 9是示出无 线链路干扰范围的示意图。
无线链路干扰范围被定义为当该无线链路两端的网络节点在进行相 互通信时, 其所用无线网络资源(这里为频傳资源)的信号强度超过预定 信号强度阈值的范围。 例如, 如图 9所示,假设无线链路两端的网络节点
Pa和 Pb分别落在两个相邻的子区域(以阴影网格来表示) 内, 当信号强 度阈值被设定为最大信号传输半径的信号强度时,则可以确定阴影网格以 及斜线网格所表示的区域为所需的信号强度超过预定信号强度阈值的覆 盖范围, 即, 该无线链路的干扰范围。
根据以上确定的各个无线链路的干扰范围,可以确定连通网络的干扰 范围, 即,连通网络中的所有无线链路在进行相互通信时所用各频谱的信 号强度超过预定信号强度阈值的范围。连通网络的干扰范围可以通过利用 所得到的单个无线链路的干扰范围,并对多个使用相同频谱的无线链路的 干扰范围进行叠加来确定。
由于在网络节点数量较大的情况下,以网络节点为单位来管理无线网 络资源可能处理量太大, 因此, 优选地, 可以以各个网络节点所在的子区 域为单位来进行无线网络资源管理。
优选地,网络干扰控制管理模块 802还可以被配置成根据所估计的干 扰范围对各个网络节点所处的子区域可用的无线网络资源进行管理。
此外,优选地, 网络干扰控制管理模块 802还可以被配置成根据各个 子区域可用的无线网络资源来建立关于各个子区域的可用无线网络资源 分布图。
具体地,网络干扰控制管理模块 802可以根据如上所述确定的连通网 络的干扰范围, 对给定频谱的干扰范围以外的区域标识该频语为可用的, 对各个频镨依次执行该操作, 从而建立各个子区域的可用频镨资源列表, 并根据该列表建立网络信号覆盖范围内的可用频谱资源分布图。
此外, 优选地, 当网络节点的状态和 /或运动特征变化时, 网络干扰 控制管理模块 802还可以被配置成重新确定该网络节点所涉及的无线网 络资源的干扰范围,并且根据重新确定的干扰范围来更新原可用无线网络 资源分布图。
从以上描述可以看出,通过由网络干扰控制管理模块 802估计无线链 路、连通网络的干扰范围所覆盖的子区域,建立各个子区域可用的无线网 络资源列表从而得到网^ ft号覆盖范围内的可用无线网络资源分布图,能 够为网络的精细化资源分配以及运动网络节点的无线网络资源分配提供 快速决策依据。
下面将参照图 10来描述根据本公开的又一实施例的无线通信系统中 的网络管理装置的功能配置的示例。 图 10是示出根据本公开的又一实施 例的无线通信系统中的网络管理装置的功能配置示例的框图。
如图 10所示, 网络管理装置 1000可以包括网络区域划分单元 1002、 运动特征估计单元 1004、 网络节点定位单元 1006和无线网络资源管理单 元 1008。 其中, 网络区域划分单元 1002的功能配置与以上分别参照图 1 和图 3描述的网络管理装置 100和 300中的网络区域划分单元 102和 302 的功能配置相同,在此不再重复描述其细节。下面将详细描述运动特征估 计单元 1004、 网络节点定位单元 1006和无线网络资源管理单元 1008的 功能配置的示例。
运动特征估计单元 1004可以被配置成以子区域为单位来估计网络节
点的运动特征。
具体地, 运动特征估计单元 1004可以通过测量和计算得到目标网络 节点的运动特征(包括运动方向和速率), 将所得到的运动特征映射为网 络区域划分单元 1002在划分子区域时所建立的坐标系下的速率值, 并且 还可以才艮据该值预测该网络节点未来的运动状况。此时, 目标网络节点的 运动速率可以以单位时间内跨越的子区域数量来表征。
网络节点定位单元 1006 可以被配置成根据运动特征估计单元 1004 所估计的网络节点的运动特征并结合网络节点的当前地理位置信息,确定 网络节点在预定时间内通过的子区^ ^列和在每个子区域内的驻留时间, 从而得到关于该网络节点的定位结果。
应理解, 才艮据网络节点的运动状态的不同, 网络节点定位单元 1006 获得不同的定位结果。 例如, 对于静止网络节点, 其定位结果为该网络节 点当前所在的子区域; 对于游牧网络节点, 即, 移动到特定位置之后可能 在该位置停留一定时间的网络节点,经过预定时间的测量,其定位结果为 该网络节点在该预定时间内所存在过的多个子区域; 而对于运动网络节 点, 即, 持续移动而没有任何停留的网络节点, 经过预定时间的测量, 其 定位结果为该网络节点在该预定时间的运动过程中依次所处的子区域序 列。
无线网络资源管理单元 1008可以被配置成根据网络节点的定位结果 和运动特征对网络节点进行分组,并 JU ^据分组后的网络节点来构建无线 网络资源管理信息。
具体地, 无线网络资源管理单元 1008根据网络节点的定位结果和运 动特征, 将位置靠近(例如, 处于同一子区域内或者处于邻近的多个子区 域内)并且具有相同的运动特征 (即, 相同的运动方向和运动速率)的节 点标识为一个组, 并且按所分成的组来构建无线网络资源管理信息。
应理解,通过对网络节点进行分组,在例如进行上述网络连通性管理 (例如连通网络和连通子区域网的建立和更新 )和网络干扰控制管理(例 如, 可用无线网络资源分布图的建立和更新), 可以大大节省计算量, 从 而提高了处理效率, 能够更高效地实现网络动态规划和无线网络资源分 配, 提升了网络性能, 该效果对于网络节点移动性较高的情况尤其明显。
此夕卜,还应理解,与由上述各个功能部件得到的邻居节点、连通网络、 连通子区域网、可用无线网络资源分布图、运动特征等等有关的信息中至
少之一包括在无线网络资源管理信息中,以供例如基站的网络端设备用于 在无线通信系统中进行快速动态网络规划和无线网络资源分配。
在这里应指出, 尽管以上参照图 1至图 10描述了根据本公开的实施 例的无线通信系统中的网络管理装置的示例功能配置,但是应理解,这仅 是示例而非限制,并且本领域技术人员可以根据需要而对上述结构进行修 改, 例如增加或省略某些功能单元, 或者对功能单元进行组合, 并且这些 变型都认为落在本技术的实质范围内。
与根据 开的实施例的无线通信系统中的网络管理装置相对应,还 提供了一种用在无线通信系统中的方法。 下面将参照图 11来描述根据本 公开的实施例的用在无线通信系统中的方法的流程示例。 图 11是示出根 据本公开的实施例的用在无线通信系统中的方法的流程示例的示意图。
如图 11所示, 方法 1100可以包括网络区域划分步骤 S1102、 网络节 点定位步骤 S1104和无线网络资源管理步骤 S1106。
首先,在网络区域划分步骤 S1102中,可以才艮据网络节点的传输特性 将网络信号覆盖范围划分为多个子区域。 优选地, 在网络区域划分步骤 S1102中, 可以根据网络区域划分的目标而确定子区域的大小。
随后, 方法进行到步骤 S1104。
在网络节点定位步骤 S1104中,可以根据网络节点的地理位置信息确 定网络节点所处的网络信号覆盖范围内的子区域,然后该方法进行到步骤 S1106„
在无线网络资源管理步骤 S1106 中, 可以才艮据网络节点所处的子区 域, 构建无线网络资源管理信息。
下面将参照图 12描述根据本公开的另一实施例的用在无线通信系统 中的方法的流程示例。 图 12是示出相_据本公开的另一实施例的用在无线 通信系统中的方法的流程示例的流程图。
如图 12所示, 方法 1200可以包括网络区域划分步骤 S1202、 网络节 点定位步骤 S1204、 邻居节点确定步骤 S1206 和无线网络资源管理步骤 S1208。 其中, 网络区域划分步骤 S1202和网络节点定位步骤 S1204中的 处理与以上参照图 11描述的方法 1100中的网络区域划分步骤 S1102和网 络节点定位步骤 S1104中的处理相同,在此不再重复描述其细节。下面将 主要详细描述邻居节点确定步骤 S1206和无线网络资源管理步骤 S1208。
在步骤 S1202和 S1204之后, 方法进行到步骤 S1206。在邻居节点确 定步骤 S1206中,可以才艮据网络节点的传输特性,确定能够与该网络节点 直接通信的邻居节点。 然后, 方法进行到步骤 S1208。
在无线网络资源管理步驟 S1208中, 可以基于在步骤 S1206中所确 定的邻居节点来构建无线网络资源管理信息。
下面将参照图 13来详细描述无线网络资源管理步骤 S1208中的处理。 图 13是示出图 12所示的无线网络资源管理步骤中的详细处理示例的流程 图。
如图 13所示, 无线网络资源管理步骤 S1208可以进一步包括网络连 通性管理步骤 S1302。
在网络连通性管理步骤 S1302中,可以对每一网络节点及其邻居节点 形成的连通网络进行管理,其中,连通网络内的任意两个网络节点能够通 过至少一条由一个或多个无线链路组成的无线路径而彼此通信。
优选地,在网络连通性管理步骤 S1302中,还可以对与连通网络对应 的、由连通网络内的各个网络节点所处的子区域构成的连通子区域网进行 管理。
以下将参照图 14详细描述网络连通性管理步骤 S1302中的处理。 图 14是示出图 13所示的网络连通性管理步骤中的详细处理示例的流程图。
如图 14所示, 网络连通性管理步骤 S1302可以进一步包括连通网络 建立步骤 S1402和连通网络更新步骤 S1404„
首先, 在连通网络建立步骤 S1402中, 可以根据所确定的邻居节点, 建立网络信号覆盖范围内的连通网络和连通子区域网。
具体地,在连通网络建立步骤 S1402中,对于任意目标网络节点,基 于与该目标网络节点相关的相关网络节点,建立由所有相关网络节点和目 标网络节点构成的连通网络,并且根据目标网络节点所处的子区域和相关 网络节点所处的子区域, 建立与该连通网络对应的连通子区域网。
然后, 方法进行到步骤 S1404。
在连通网络更新步骤 S1404中, 可以根据网络节点的状态和 /或运动 特征, 对所建立的连通网络和连通子区域网进行更新。
具体地, 在连通网络更新步骤 S1404中, 当网络节点的状态和 /或运 动特征变化时,根据该网络节点所涉及的连通网络和连通子区域网的变化
来对所建立的连通网络和连通子区域网进行更新。
接下来, 将参照图 15描述无线网络资源管理步骤 S1208中的详细处 理的另一示例。图 15是示出图 12所示的无线网络资源管理步骤中的详细 处理的另一示例的流程图。
如图 15所示, 无线网络资源管理步骤 S1208可以进一步包括网络干 扰控制管理步骤 S1502。
在网络干扰控制管理步驟 S1502中,可以估计各个网络节点与其邻居 节点进行通信时所用的无线网络资源的干扰范围,并 艮据所估计的干扰 范围来管理各个网络节点可用的无线网络资源。
优选地,在网络干扰控制管理步骤 S1502中,还可以才艮据所估计的干 扰范围对各个网络节点所处的子区域可用的无线网络资源进行管理。
此外,优选地,在网络干扰控制管理步骤 S1502中, 可以根据各个子 区域可用的无线网络资源来建立关于各个子区域的可用无线网络资源分 布图。
此外,优选地,在网络干扰控制管理步骤 S1502中, 当网络节点的状 态和 /或运动特征变化时, 可以重新确定该网络节点所涉及的干扰范围, 并且才艮据重新确定的干扰范围来更新已有的可用无线网络资源分布图。
下面将参照图 16描述根据本公开的又一实施例的用在无线通信系统 中的方法的流程示例。 图 16是示出根据本公开的又一实施例的用在无线 通信系统中的方法的流程示例的流程图。
如图 16所示, 方法 1600可以包括网络区域划分步骤 S1602、运动特 征估计步骤 S1604、 网络节点定位步骤 S1606 和无线网络资源管理步骤 S1608o 其中, 网络区域划分步骤 S1602与以上分别参照图 11和图 12描 述的方法 1100和方法 1200中的网络区域划分步骤 S1102和 1202中的处 理相同, 在此不再重复描述其细节。 下面将详细描述运动特征估计步骤 S1604、 网络节点定位步骤 S1606和无线网络资源管理步骤 S1608.
在运动特征估计步骤 S1604中,可以以子区域为单位来估计网络节点 的运动特征。 接下来, 方法进行到步骤 S1606。
在网络节点定位步骤 S1606中,可以根据网络节点的运动特征和地理 位置信息,确定该网络节点在预定时间内通过的子区域序列和在每个子区 域的驻留时间, 从而得到关于该网络节点的定位结果。之后, 方法进行到
步骤 S1608o
在无线网络资源管理步驟 S1608中,可以根据网络节点的定位结果和 运动特征来构建无线网络资源管理信息。
优选地,在无线网络资源管理步骤 S1608中,可以根据网络节点的定 位结果和运动特征对网络节点进行分组,并且根据分组后的网络节点来构 建无线网络资源管理信息。
虽然上面结合图 11至图 16描述了根据本公开的实施例的用在无线通 信系统中的方法的流程示例,但是本领域的技术人员应当明白, 附图所示 的流程图仅仅是示例性的, 并且可以根据实际应用和具体要求的不同,对 上述方法流程进行相应的修改。
需要说明的是,根据本公开实施例所述的用在无线通信系统中的方法 是与前述装置实施例对应的, 因此, 方法实施例中未伴述的部分, 请参见 装置实施例中相应位置的介绍, 这里不再赞述。
如上所述,利用根据本公开的实施例的网络连通性管理服务和干扰控 制管理服务, 可以为动态网络规划和无线网络资源分配提供快速决策依 据。 下面将给出本发明的具体应用示例。
现在将参照图 17来描述根据本公开的实施例的无线通信系统中的装 置的功能配置的示例。 图 17是示出根据本公开的实施例的无线通信系统 中的装置的功能配置示例的框图。
如图 17所示, 装置 1700可以包括信息获取单元 1702和网络规划单 元 1704。 装置 1700可以是位于网络端的装置, 例如, 用于为覆盖范围内 的网络节点提供服务的基站等。
信息获取单元 1702可以被配置成获取由上述无线通信系统中的网络 管理装置提供的无线网络资源管理信息。这里的无线网络资源管理信息例 如可以包括上述网络节点所处的网络信号覆盖范围内的子区域的信息、网 络节点的邻居节点信息、网 ^ft号覆盖范围内的连通网络和连通子区域网 的分布以及网络信号覆盖范围内的关于各个子区域的可用无线网络资源 分布图等信息,这些信息可以存储在数据库中,该数据库例如包括在装置 1700中所设置的存储单元中。
网络规划单元 1704可以被配置成根据所获取的无线网络资源管理信 息进行网络规划, 例如包括链路选择和网络建立。 例如, 网络规划单元 1704 可以在接收到网络节点发起的通信请求时, 根据所获取的无线网络
资源管理信息,快速地判断该网络节点是否能够与所请求的目的节点建立 连接,并在判断能够建立连接的情况下使得该网络节点通过所选择的通信 路径与目的节点进行通信。
具体地, 对于要建立关于任意网络节点的 D2D连接的情况, 网络规 划单元 1704可以被配置成在接收到网络节点发起的通信请求时, 检查通 信请求中包含的目的节点信息,如果根据无线网络资源管理信息中包含的 邻居节点信息判断目的节点信息表示的目的节点为该网络节点的邻居节 点, 则指示该网络节点与目的节点建立设备到设备 ( D2D )连接以直接进 行通信。
在网络节点发起的通信请求没有指定目的节点的情况下,网络规划单 元 1704可以被配置成根据邻居节点信息而从该网络节点的邻居节点集合 中快速地寻找作为该网络节点的 D2D互连对象的网络节点, 并且指示该 网络节点与所找到的作为 D2D互连对象的网络节点建立 D2D连接以进行 通信。
在网络节点 的通信请求允许通过其它网络节点中继的情况下,网 络规划单元 1704可以被配置成根据邻居节点信息而从该网络节点的邻居 节点集合中快速地寻找可以作为该网络节点的中继节点的网络节点。 此 外, 网络规划单元 1704还可指示该网络节点与所找到的可作为中继节点 的网络节点建立连接以进行通信。
此外, 对于要建立以任意网络节点为数据转发节点的点到多点 ( PMP )连接的情况, 网络规划单元 1704可以被配置成在接收到多个网 络节点发起的通信请求时,检查这些通信请求中包含的目的节点信息,如 果根据无线网络资源管理信息中包含的邻居节点信息判断这多个网络节 点的通信请求中包含的目的节点以及该多个网络节点都是某一网络节点 的邻居节点,则指示该网络节点与这多个网络节点及对应目的节点建立点 到多点 (PMP )连接以进行通信。
此外,优选地,如果根据无线网络资源管理信息中包含的连通网络信 息判断通信请求中包含的目的节点信息所表示的目的节点与该网络节点 属于同一连通网络,则说明在该连通网络内必然可以找到至少一条由一个 或多个无线链路构成的无线路径使得网络节点和目的节点能够进行通信, 于是网络规划单元 1704通知该网络节点能够与目的节点进行通信。
应理解, 上述的 D2D连接和 PMP连接都属于单跳网络的情形, 而
对于多跳网络的情形,即,以某一网络节点作为中继节点进行通信的情形, 还需要进行路由 (routing )选择, 包括判断网络节点与目的节点之间是 否存在可用路由以及建立网络节点与目的节点之间进行通信的路由。
具体地,可以为网络信号覆盖范围内的每个连通网络都设置一个全网 唯一的 ID (标识符), 并且为每个网络节点分配一个域来存储该 ID, 从 而在判断两个网络节点之间是否存在可用路由时,仅需判断它们的连通网 络 ID是否相同就可快速做出判断。 如连通网络 ID相同, 则说明存在可 用路由, 否则说明不存在。
在现有技术中存在多种用于在连通网络中的网络节点之间建立路由 的方法, 诸如洪泛算法等。 然而, 在网络节点数量较大的情况下, 利用该 算法可能是较低效的。 因此, 优选地, 可以利用从网络管理装置接收的无 线网络资源管理信息中包括的子区域信息来选择路由,从而可以减少计算 量, 有利于路由的快速建立。
因此, 优选地, 如果判断网络节点与其目的节点属于同一连通网络, 则网络规划单元 1704可以基于网络节点和目的节点所处的子区域, 根据 连通子区域网信息选择用于该网络节点与目的节点之间的通信的路由,并 指示该网络节点通过所选择的路由与目的节点进行通信。
具体地, 网络规划单元 1704可以基于网络节点和目的节点所处的子 区域,通过利用连通子区域网信息寻找子区域之间的连通路由并结合网络 状态(诸如建立链路的开销、 链路上的数据流量等等), 从而最终确定网 络节点与目的节点之间的较理想通信路由。
根据本实施例,可以实现网络节点间的高效链路选择和网络建立,从 而实现快速动态网络规划,该效果对于网络节点移动性较高的情形尤其突 出。
下面将参照图 18描述根据本公开的另一实施例的无线通信系统中的 装置的功能配置的示例。 图 18是示出根据本公开的另一实施例的无线通 信系统中的装置的功能配置示例的框图。
如图 18所示, 装置 1800可以包括信息获取单元 1802、 网络规划单 元 1804和无线网络资源分配单元 1806。 其中, 信息获取单元 1802和网 络规划单元 1804的功能配置与以上参照图 17描述的装置 1700中的信息 获取单元 1702和网络规划单元 1704的功能配置相同,在此不再重复描述 其细节。 以下将仅描述无线网络资源分配单元 1806的功能配置示例。
无线网络资源分配单元 1806可以被配置成根据所获取的无线网络资 源管理信息, 进行无线网络资源分配。
优选地, 无线网络资源分配单元 1806可以在接收到网络节点发起的 通信请求时,检查通信请求中包含的目的节点信息,基于目的节点信息表 示的目的节点和网络节点所处的子区域,才艮据无线网络资源管理信息来分 配用于该网络节点与目的节点之间的通信的无线网络资源。
应理解, 当分配用于任意两个网络节点之间的通信的无线网络资源 时, 为了保证通信质量, 期望使得各个通信之间不会相互干扰。 由于由上 述网络管理装置提供的无线网络资源管理信息中包括关于网络信号覆盖 范围内的各个子区域的可用无线网络资源分布图, 因此,通过确定关于要 进行通信的任意两个网络节点所处的子区域的信息,并根据该信息来分配 用于通信的无线网络资源, 可以避免相互干扰, 从而提高通信质量。
以下将参照图 19描述根据本公开的又一实施例的无线通信系统中的 装置的功能配置的示例。 图 19是示出根据本公开的又一实施例的无线通 信系统中的装置的功能配置示例的框图。
如图 19所示, 装置 1900可以包括信息获取单元 1902、 网络规划单 元 1904和定位单元 1906。其中,信息获取单元 1902和网络规划单元 1904 的功能配置与以上分别参照图 Π和图 18描述的信息获取单元 1702和 1802以及网络规划单元 1704和 1804的功能配置相同, 在此不再重复描 述其细节。 下面将仅描述定位单元 1906的功能配置示例。
定位单元 1906可以被配置成获取网络节点的地理位置信息。具体地, 在安装了 GPS模块的情况下,可以通过 GPS测量获得网络节点的地理位 置信息, 或者如果没有安装 GPS模块, 也可以通过网络测量(例如三角 测量)的方式来获得该信息。
通过设置定位单元 1906来获得网络节点的地理位置信息, 可以进一 步简化网络节点(例如, 用户终端设备)的功能和操作, 这对于电池容量 有限的移动设备以及低功耗设备尤其重要。
此外, 应指出, 在以上描述中并没有限定网络管理装置的位置, 它可 以位于作为例如基站的装置 1700至 1900中,也可以位于装置 1700至 1900 外部, 例如, 可以位于多个基站共有的协调器中。 在网络管理装置位于基 站中的情况下,每个网络管理装置仅负责维护其所在基站的信号覆盖范围 内的网络节点分布管理,而在网络管理装置位于多个基站共有的协调器中
的情况下,该网络管理装置需要负责维护这多个基站的总信号覆盖范围内 的网络节点分布管理。本领域技术人员可以根据实际应用的需要而设置网 络管理装置的位置, 本发明对此不做限制。
接下来, 将参照图 20描述根据本公开的实施例的无线通信系统中的 装置的功能配置的示例。 图 20是示出根据 开的实施例的无线通信系 统中的装置的功能配置示例的框图。
如图 20所示, 装置 2000可以包括子区域信息接收单元 2002和通知 单元 2004。 装置 2000可以是例如 PC (个人计算机)、 PDA (个人数字助 理)、 移动电话、 平板电脑等的用户端设备, 即, 上述网络节点。
子区域信息接收单元 2002可以被配置成从上述网络管理装置接收装 置 2000所处的子区域的信息。
通知单元 2004可以被配置成在根据装置 2000的地理位置信息判断装 置 2000正在或已经离开其原来所处的子区域时通知网络管理装置。
具体地,对于一些移动性不高的用户端设备,如果由网络管理装置频 繁地检查这些用户端设备的地理位置信息以判断当前网络节点分布的变 化, 可能会造成网络资源的浪费。 因此, 用户端设备通过其通知单元定期 地向网络管理装置报告其当前所处的地理位置信息以使得网络管理装置 检查当前网络节点分布状况,并且仅在网络节点分布正在或已经发生变化 (即, 网络节点所处的子区域正在发生变化或已经发生了变化)时才触发 网络端设备 (例如, 上述装置 1700至 1900 )进行网络结构调整和无线网 络资源分配, 从而可以在一定程度上减少网络开销。
另夕卜,优选地,还可以由用户端设备自己来判断其是否正在或已经离 开了原来所处的子区域。具体地,用户端设备根据从网络管理装置接收的 关于其所处的子区域的信息(包括子区域的位置和大小等), 并结合当前 地理位置信息判断自己是否仍在原子区域之内,如果判断正在或已经离开 原子区域,则通过其通知单元通知网络管理装置,此时网络管理装置重新 确定当前网络节点分布状况,并触发网络端设备根据当前网络节点分布状 况进行网络结构调整和无线网络资源分配。 以此方式,可以进一步减少网 络资源的浪费。
以下将参照图 21描述根据本公开的另一实施例的无线通信系统中的 装置的功能配置的示例。 图 21是示出根据本公开的另一实施例的无线通 信系统中的装置的功能配置示例的框图。
如图 21所示, 装置 2100可以包括子区域信息接收单元 2102、 定位 单元 2104和通知单元 2106。 其中, 子区域信息接收单元 2102的功能配 置与以上参照图 20所述的装置 2000中的子区域信息接收单元 2002相同, 在此不再重复描述其细节。 以下将仅描述定位单元 2104和通知单元 2106 的功能配置示例。
定位单元 2104可以被配置成测量装置 2100的地理位置信息。如上所 述, 可以通过利用 GPS模块的 GPS测量或网络测量(诸如三角测量)来 获得装置 2100的地理位置信息。
通知单元 2106可以被配置成将装置 2100的地理位置信息通知给网络 管理装置并且在¾1据装置 2100的地理位置信息判断装置 2100正在或已经 离开原子区域时通知网络管理装置。
下面参照图 22 描述根据本公开的实施例的无线通信系统的架构示 例。 图 22是示出才艮据本公开的实施例的无线通信系统的架构示例的示意 图。
如图 22所示, 该无线通信系统 2200包括网络管理装置 2202、 网络 端设备 2204和用户端设备 2206。 其中, 网络管理装置 2202例如为以上 参照图 1至图 10所述的网络管理装置,网络端设备 2204例如为以上参照 图 17至图 19所述的无线通信系统中的装置, 并且用户端设备 2206例如 为以上参照图 20至图 21所述的无线通信系统中的装置,在此不再描述其 细节。
应理解, 图 22所示的架构仅是出于清楚的目的而给出的示意图, 实 际的无线通信系统的架构要复杂的多。
可以看出,根据 Hf的实施例,可以实现快速动态网络规划和网络 节点间的合理资源分配, 从而更好地适应异构网络复杂灵活的现状。
此外,本公开的实施例还提供了一种存储介质,该存储介盾包括机器 可读的程序代码, 当在信息处理设备上执 ^序代码时,该程序代码使得 信息处理设备执行如上述本公开的实施例所述的用在无线通信系统中的 方法。
此外,本公开的实施例还提供了一种程序产品,该程序产品包括机器 可执行的指令, 当在信息处理设备上执行指令时,该指令使得信息处理设 备执行如上述本公开的实施例所述的用在无线通信系统中的方法。
相应地,用于承载上述存储有机器可读取的指令代码的程序产品的存
储介盾也包括在本发明的公开中。所述存储介质包括但不限于软盘、光盘、 磁光盘、 存储卡、 存储棒等等。
另外, 还应该指出的是, 上述系列处理和装置也可以通过软件和 /或 固件实现。 在通过软件和 /或固件实现的情况下, 从存储介质或网络向具 有专用硬件结构的计算机,例如图 23所示的通用个人计算机 2300安装构 成该软件的程序,该计算机在安装有各种程序时,能够执行各种功能等等。
在图 23中, 中央处理单元(CPU ) 2301根据只读存储器(ROM ) 2302 中存储的程序或从存储部分 2308加栽到随机存取存储器(RAM ) 2303的程序执行各种处理。在 RAM 2303中,也才艮据需要存储当 CPU 2301 执行各种处理等等时所需的数据。
CPU 2301、 ROM 2302和 RAM 2303经由总线 2304彼此连接。 输入 /输出接口 2305也连接到总线 2304。
下述部件连接到输入 /输出接口 2305: 输入部分 2306, 包括 l、 鼠 标等等; 输出部分 2307, 包括显示器, 比如阴极射线管(CRT )、 液晶显 示器(LCD )等等, 和扬声器等等; 存储部分 2308, 包括硬盘等等; 和 通信部分 2309, 包括网络接口卡比如 LAN卡、 调制解调器等等。 通信部 分 2309经由网络比如因特网执行通信处理。
根据需要, 驱动器 2310也连接到输 > /输出接口 2305。 可拆卸介质 2311 比如磁盘、 光盘、 磁光盘、 半导体存储器等等根据需要被安装在驱 动器 2310 上, 使得从中读出的计算机程序根据需要被安装到存储部分 2308中。
在通过软件实现上述系列处理的情况下,从网络比如因特网或存储介 质比如可拆卸介质 2311安装构成软件的程序。
本领域的技术人员应当理解, 这种存储介盾不局限于图 23所示的其 中存储有程序、 与设备相分离地分发以向用户提供程序的可拆卸介质 2311。 可拆卸介质 2311的例子包含磁盘(包含软盘(注册商标))、 光盘 (包含光盘只读存储器( CD-ROM )和数字通用盘( DVD ) )、磁光盘 (包 含迷你盘(MD ) (注册商标))和半导体存储器。 或者, 存储介质可以是 ROM 2302、 存储部分 2308中包含的硬盘等等, 其中存有程序, 并且与 包含它们的设备一起被分发给用户。
还需要指出的是,执行上述系列处理的步骤可以自然地根据说明的顺 序按时间顺序执行,但是并不需要一定根据时间顺序执行。某些步骤可以
并行或彼此独立地执行。
虽然已经详细说明了本技术及其优点,但 ½当理解在不脱离由所附 的权利要求所限定的本技术的精神和范围的情况下可以进行各种改变、替 代和变换。 而且, 本技术实施例的术语 "包括"、 "包含 "或者其任何其他变 体意在涵盖非排他性的包含, 从而使得包括一系列要素的过程、 方法、物 品或者设备不仅包括那些要素, 而且还包括没有明确列出的其他要素,或 者是还包括为这种过程、 方法、 物品或者设备所固有的要素。 在没有更多 限制的情况下, 由语句 "包括一个 ......,,限定的要素,并不排除在包括所述 要素的过程、 方法、 物品或者设备中还存在另外的相同要素。
Claims
1. 一种无线通信系统中的网络管理装置, 所述网络管理装置包括: 网络区域划分单元,被配置成根据网络节点的传输特性将网络信号覆 盖范围划分为多个子区域;
网络节点定位单元,被配置成根据网络节点的地理位置信息确定所述 网络节点所处的网络信号覆盖范围内的子区域; 以及
无线网络资源管理单元, 被配置成根据所述网络节点所处的子区域, 构建无线网络资源管理信息。
2. 根据权利要求 1所述的网络管理装置, 还包括: 邻居节点确定单 元,被配置成根据所述网络节点的传输特性,确定能够与所述网络节点直 接通信的邻居节点,
其中,所述无线网络资源管理单元还被配置成基于所确定的邻居节点 来构建所述无线网络资源管理信息。
3. 根据权利要求 2所述的网络管理装置, 其中, 所述无线网络资源 管理单元进一步包括:
网络连通性管理模块,被配置成对每一网络节点及其邻居节点形成的 连通网络进行管理,其中, 所述连通网络内的任意两个网络节点能够通过 至少一条由一个或多个无线链路组成的无线路径彼此通信。
4. 根据权利要求 3所述的网络管理装置, 其中, 所述网络连通性管 理模块还被配置成对与所述连通网络对应的、由所述连通网络内的各个网 络节点所处的子区域构成的连通子区域网进行管理。
5. 根据权利要求 4所述的网络管理装置, 其中, 所述网络连通性管 理模块进一步包括:
连通网络建立部件,被配置成才艮据所确定的邻居节点,建立所述连通 网络和所述连通子区域网; 以及
连通网络更新部件, 被配置成根据所述网络节点的状态和 /或运动特 征, 对所建立的连通网络和连通子区域网进行更新。
6. 根据权利要求 5所述的网络管理装置, 其中, 所述连通网络建立
部件还被配置成:
对于任意目标网络节点,基于与所述目标网络节点相关的相关网络节 点, 建立由所有所述相关网络节点和所述目标网络节点构成的连通网络, 其中,所述相关网络节点包括所述目标网络节点的邻居节点以及能够通过 所述邻居节点与所述目标网络节点通信的网络节点; 以及
根据所述目标网络节点所处的子区域和所述相关网络节点所处的子 区域, 建立对应于所述连通网络的连通子区域网。
7. 根据权利要求 5所述的网络管理装置, 其中, 所述连通网络更新 部件还被配置成: 当所述网络节点的状态和 /或运动特征变化时, 根据所 述网络节点涉及的连通网络和连通子区域网的变化来对所建立的连通网 络和连通子区域网进行更新。
8. 根据权利要求 2所述的网络管理装置, 其中, 所述无线网络资源 管理单元进一步包括:
网络干扰控制管理模块,被配置成估计各个网络节点与其邻居节点进 行通信时所用的无线网络资源的干扰范围,并且根据所估计的干扰范围来 管理各个网络节点可用的无线网络资源。
9. 根据权利要求 8所述的网络管理装置, 其中, 所述网络干扰控制 管理模块还被配置成根据所估计的干扰范围对各个网络节点所处的子区 域可用的无线网络资源进行管理。
10. 根据权利要求 9所述的网络管理装置, 其中, 所述网络干扰控制 管理模块还被配置成根据各个子区域可用的无线网络资源建立关于各个 子区域的可用无线网络资源分布图。
11. 根据权利要求 10所述的网络管理装置, 其中, 当所述网络节点 的状态和 /或运动特征变化时, 所述网络干扰控制管理模块还被配置成重 新确定所述干扰范围,并且才艮据重新确定的干扰范围来更新所述可用无线 网络资源分布图。
12. 根据权利要求 1所述的网络管理装置, 其中, 所述网络区域划分 单元还被配置成根据网络区域划分的目标而确定所述子区域的大小。
13. 根据权利要求 1所述的网络管理装置, 还包括: 运动特征估计单 元, 被配置成以子区域为单位估计所述网络节点的运动特征,
其中,所述无线网络资源管理单元还被配置成基于所述运动特征来构
建所述无线网络资源管理信息。
14. 根据权利要求 13所述的网络管理装置, 其中, 所述网络节点定 位单元还被配置成:根据所述网络节点的运动特征,确定所述网络节点在 预定时间内通过的子区域序列和在每个子区域的驻留时间,从而得到所述 网络节点的定位结果。
15. 根据权利要求 14所述的网络管理装置, 其中, 所述无线网络资 源管理单元还被配置成根据所述网络节点的定位结果和运动特征对所述 网络节点进行分组,并且根据分组后的网络节点来构建所述无线网络资源 管理信息。
16. 一种用在无线通信系统中的方法, 所述方法包括:
网络区域划分步骤,根据网络节点的传输特性将网络信号覆盖范围划 分为多个子区域;
网络节点定位步骤,根据网络节点的地理位置信息确定所述网络节点 所处的网^ ί言号覆盖范围内的子区域; 以及
无线网络资源管理步骤,根据所述网络节点所处的子区域,构建无线 网络资源管理信息。
17. 根据权利要求 16所述的方法, 还包括: 邻居节点确定步骤, 根 据所述网络节点的传输特性,确定能够与所述网络节点直接通信的邻居节 点,
其中,在所述无线网络资源管理步骤中,还基于所确定的邻居节点来 构建所述无线网络资源管理信息。
18. 根据权利要求 17所述的方法, 其中, 所述无线网络资源管理步 骤进一步包括:
网络连通性管理步骤,对每一网络节点及其邻居节点形成的连通网络 进行管理,其中,所述连通网络内的任意两个网络节点能够通过至少一条 由一个或多个无线链路组成的无线路径彼此通信。
19. 根据权利要求 18所述的方法, 其中, 在所述网络连通性管理步 骤中,对与所述连通网络对应的、 由所述连通网络内的各个网络节点所处 的子区域构成的连通子区域网进行管理。
20. 根据权利要求 17所述的方法, 其中, 所述无线网络资源管理步 骤进一步包括:
网络干扰控制管理步骤,估计各个网络节点与其邻居节点进行通信时 所用的无线网络资源的干扰范围 ,并且才艮据所估计的干扰范围来管理各个 网络节点可用的无线网络资源。
21. 一种无线通信系统中的装置, 所述装置包括:
信息获取单元, 被配置成获取由根据权利要求 1至 15中任一项所述 的网络管理装置提供的无线网络资源管理信息;
网络规划单元,被配置成根据所述无线网络资源管理信息进行网络规 划。
22. 根据权利要求 21所述的装置, 还包括: 无线网络资源分配单元, 被配置成才艮据由所述网络管理装置提供的无线网络资源管理信息,进行无 线网络资源分配。
23. 根据权利要求 21所述的装置, 还包括:
定位单元, 被配置成获取网络节点的地理位置信息。
24. 根据权利要求 21所述的装置, 其中, 所述网络规划单元还被配 置成在接收到网络节点发起的通信请求时,检查所述通信请求包含的目的 节点信息,如果根据所述无线网络资源管理信息中包含的邻居节点信息判 断所述目的节点信息表示的目的节点为该网络节点的邻居节点,则指示所 述网络节点与所述目的节点建立设备到设备连接以进行通信。
25. 根据权利要求 21所述的装置, 其中, 所述网络规划单元还被配 置成在接收到网络节点发起的通信请求时,检查所述通信请求是否允许通 过其它网络节点中继,如果允许通过其它网络节点中继, 则根据所述无线 网络资源管理信息中包含的邻居节点信息而从所述网络节点的邻居节点 集合中寻找作为所述网络节点的中继节点的网络节点,并且指示所述网络 节点与所找到的作为中继节点的网络节点建立连接以进行通信。
26. 根据权利要求 21所述的装置, 其中, 所述网络规划单元还被配 置成在接收到多个网络节点 的通信请求时,检查所述多个通信请求中 包含的目的节点信息,如果才艮据所述无线网络资源管理信息中包含的邻居 节点信息判断所述多个网络节点的通信请求中包含的目的节点和所述多 个网络节点都是某一网络节点的邻居节点,则指示该网络节点与所述多个 网络节点 应目的节点建立点到多点连接以进行通信。
27.根据权利要求 21所述的装置, 其中, 所述网络规划单元还被配
置成在接收到网络节点发起的通信请求时,检查所述通信请求中包含的目 的节点信息,如果根据所述无线网络资源管理信息中包含的连通网络信息 判断所述目的节点信息表示的目的节点与所述网络节点属于同一连通网 络, 则通知所述网络节点能够与所述目的节点进行通信。
28. 根据权利要求 27所述的装置, 其中, 如果所述目的节点与所述 网络节点属于同一连通网络,则所述网络规划单元还被配置成基于所述目 的节点和所述网络节点所处的子区域,根据所述无线网络资源管理信息中 包含的连通子区域网信息选择用于所述目的节点和所述网络节点之间的 通信的路由,并指示所述网络节点通过所选择的路由与所述目的节点进行 通信。
29. 根据权利要求 22所述的装置, 其中, 所述无线网络资源分配单 元还被配置成在接收到网络节点发起的通信请求时,检查所述通信请求中 包含的目的节点信息,基于所述目的节点信息表示的目的节点和所述网络 节点所处的子区域,才艮据所述无线网络资源管理信息来分配用于所述网络 节点与所述目的节点之间的通信的无线网络资源。
30. 一种无线通信系统中的装置, 所述装置包括:
子区域信息接收单元, 被配置成从根据权利要求 1至 15中任一项所 述的网络管理装置接收所述装置所处的子区域的信息; 以及
通知单元,被配置成在根据所述装置的地理位置信息判断所述装置正 在或已经离开所述子区域时通知所述网络管理装置。
31. 根据权利要求 30所述的装置, 还包括: 定位单元, 被配置成测 量所述地理位置信息,
其中,所述通知单元还被配置成将所述地理位置信息通知给所述网络 管理装置。
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| CN107295562A (zh) * | 2016-04-01 | 2017-10-24 | 中兴通讯股份有限公司 | 资源配置方法、装置及系统、ue和基站 |
| JP6870260B2 (ja) * | 2016-09-27 | 2021-05-12 | 株式会社リコー | 通信システム、通信装置、通信管理方法、及びプログラム |
| CN108650038A (zh) * | 2018-05-08 | 2018-10-12 | 商派软件有限公司 | 用数据包的重传率判断地区网络质量的方法和系统 |
| CN114557064B (zh) * | 2019-10-17 | 2023-06-20 | 华为技术有限公司 | 一种通信方法及装置 |
| CN110971287B (zh) * | 2019-12-06 | 2023-09-26 | 腾讯科技(深圳)有限公司 | 信源通信方法、装置、系统及设备 |
| CN115314560B (zh) * | 2021-05-06 | 2023-11-17 | 云米互联科技(广东)有限公司 | 区域网络状态的展示控制方法及装置 |
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Also Published As
| Publication number | Publication date |
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| US10932137B2 (en) | 2021-02-23 |
| EP2996370A1 (en) | 2016-03-16 |
| CN104144425B (zh) | 2020-06-12 |
| CN104144425A (zh) | 2014-11-12 |
| CN111629379A (zh) | 2020-09-04 |
| US20160057630A1 (en) | 2016-02-25 |
| EP2996370A4 (en) | 2016-11-23 |
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