WO2014048345A1 - 无线资源调整方法及装置 - Google Patents
无线资源调整方法及装置 Download PDFInfo
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- WO2014048345A1 WO2014048345A1 PCT/CN2013/084324 CN2013084324W WO2014048345A1 WO 2014048345 A1 WO2014048345 A1 WO 2014048345A1 CN 2013084324 W CN2013084324 W CN 2013084324W WO 2014048345 A1 WO2014048345 A1 WO 2014048345A1
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- Prior art keywords
- terminal
- radio
- radio resource
- resource usage
- data packet
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0252—Traffic management, e.g. flow control or congestion control per individual bearer or channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to the field of communications, and in particular to a radio resource adjustment method and apparatus.
- M2M Machine to Machine
- the M2M service provider mainly uses the existing wireless network to carry out M2M services, for example, a general packet radio service (GPRS) network, an Evolved Packet System (EPS) network, and the like. Switched, referred to as PS) network.
- GPRS general packet radio service
- EPS Evolved Packet System
- PS Switched, referred to as PS network.
- GPRS evolved into universal mobile communication system packet switching (Universal
- UMTS PS Mobile Telecommunication System Packet Switch
- RNS Radio Network System
- RNS Radio Network Controller
- the NodeB provides air interface connections for the terminal; the RNC is mainly used to manage radio resources and control the NodeB.
- the RNC and the NodeB are connected through the Iub port, and the terminal accesses the UMTS packet core network (Packet Core) through the RNS.
- Service GPRS Support Node (Serving GPRS Support Node, referred to as SGSN), through the Iu port and
- the gateway GPRS support node (Gateway GPRS Support Node, referred to as GGSN) is internally connected to the SGSN through the Gn port and is used to allocate the Internet protocol of the terminal (Internet Protocol, referred to as
- the Home Location Register (HLR) is connected to the SGSN through the Gr port and connected to the GGSN through the Gc port. It is used to store the subscriber's subscription data and the current SGSN address.
- a Packet Data Network (PDN) is connected to the GGSN through a Gi port to provide a packet-based service network for users.
- MTC Machine Type Communication
- UE User Equipment
- the GPRS network establishes a tunnel between the RNC-SGSN-GGSN for the transmission.
- the tunnel is based on the GPRS Tunneling Protocol (GTP), and the data information is reliably transmitted through the GTP tunnel.
- GTP GPRS Tunneling Protocol
- SAE System Architecture Evolution
- EPS Evolved Packet System
- UTRAN Evolved UTRAN, referred to as E-UTRAN
- UTRAN UMTS Terrestrial Radio Access Network
- WLAN Wireless Local Area Network
- 3GPP 3rd Generation Partnership Project
- E-RAN Evolved Radio Access Network
- NodeB abbreviated as eNodeB
- PDN Packet Data Network
- EPC provides lower latency and allows more
- MME Mobility Management Entity
- MME Mobility Management Entity
- a Serving Gateway is a user plane entity responsible for user plane data routing processing, terminating downlink data of UEs in idle (ECMJDLE) state, and managing and storing SAE bearers of UEs (bearer) ) Context, such as IP bearer service parameters and network internal routing information.
- the SGW is the anchor point of the internal user plane of the 3GPP system. A user can only have one SGW at a time.
- a packet data network gateway (PDN Gateway, PGW or P-GW for short) is a gateway responsible for UE access to the PDN, and allocates a user IP address. It is also a mobility anchor for 3GPP and non-3GPP access systems.
- the functions of the PGW include Policy implementation, billing support.
- the Policy and Charging Enforcement Function is also located in the PGW. Physically, the foregoing SGW and PGW may be unified, and the EPC system user plane network element includes an SGW and a PGW.
- the Policy and Charging Rules Function is responsible for providing policy control and charging rules to the PCEF.
- the Home Subscriber Server (HSS) is responsible for permanently storing user subscription data. The content stored in the HSS includes the International Mobile Subscriber Identification (IMSI) of the UE and the IP address of the PGW.
- IMSI International Mobile Subscriber Identification
- the MTC server is mainly responsible for information collection and data storage/processing of the MTC User Equipment (MTC UE), and can perform necessary management on the MTC UE.
- MTC UE MTC User Equipment
- the MTC UE is usually responsible for collecting information of several collectors and accessing the core network through the RAN node to exchange data with the MTC Server.
- the MTC UE needs to transmit data information to the MTC Server or other MTC UEs through the EPS network.
- the SAE network establishes a GTP tunnel between the SGW and the PGW for this transmission, and the data information is reliably transmitted through the GTP tunnel.
- the network needs to implement various types of requirements for activation and small data transmission of the terminal. Therefore, the PS packet network architecture is enhanced.
- the MTC enhancement architecture of the PS network is shown in FIG. 3, and is introduced in the PS network architecture.
- the MTC IWF Interworking Function Element
- the MTC Server is used to provide M2M application control for users.
- the MTC Server is mainly responsible for information collection and data storage/processing of the MTC device, and necessary management of the MTC device (MTC UE).
- the MTC IWF network element is responsible for network topology hiding and application layer and bearer layer protocol conversion.
- the MTCsp interface is used to connect to the MTC server, and the S6m interface is used to connect to the HSS/HLR.
- the T5a/d is connected to the SGSN/MME. It is connected to the PGW through the MTCi interface to serve the M2M service implementation.
- the function of the existing MTC IWF is to receive the activation message of the MTC Server and send the activation message to the MTC terminal through the relevant network element of the 3GPP network.
- Step S402 The terminal initiates an attach request to the network side to request access to the network.
- Step S404 The network-side mobility management network element SGSN/MME downloads the user subscription data from the HSS, and after performing authentication authentication on the terminal, sends a bearer setup request to the media gateway GGSN/PDN GW to request to establish a bearer resource.
- Step S406 The GGSN/PDN GW allocates a bearer resource such as an IP address and a terminal equipment identifier (Terminal Equipment Identity, TEID) to the terminal, and returns a bearer setup response message to the SGSN/MME, and returns the bearer resource information to the SGSN/MME, and maintains In the bearer context.
- RAN Radio Access Network
- Step S410 The radio access network maps the QoS parameter to the bandwidth of the air interface, and establishes a radio bearer link on the air interface with the terminal.
- Step S412 the radio access network returns a radio bearer setup response to the SGSN/MME, notifies that the radio bearer is successfully established, and returns the IP address of the RAN side and the TEID tunnel port identifier.
- Step S414, the SGSN/MME initiates a bearer modification to the GGSN/PDN GW, so that the downlink data can be sent to the IP address and port of the designated radio access network.
- MTC terminals need to be battery-powered in the current network
- MTC server such as railway bridge pressure sensors, water level monitoring sensors, and air quality monitoring sensors.
- the meter reading terminal, etc. collect relevant monitoring data and send it to the MTC server in small packets. These packets may be frequent or occasional. If the data packet is sent frequently, the network may just deactivate the terminal, so that the terminal enters the idle state, and the terminal requests the access network to send the data packet, so that the RRC signaling will be very frequent, and finally a signaling storm is formed to affect the wireless access network. The normal work.
- terminal power saving generally has two modes: one is to use the discontinuous reception (Discontinuous Reception, referred to as DRX) parameter to control the intermittent work to achieve the purpose of power saving in the connected state; the other is to enter the idle state. (idle) mode.
- DRX discontinuous Reception
- the present invention provides a method and an apparatus for adjusting a radio resource, so as to at least solve the problem that a terminal frequently or infrequently transmits a data packet in a related art, causing a signaling storm or being disadvantageous to power saving of the terminal.
- a radio resource adjustment method including: a radio access network acquires a radio resource usage parameter of a terminal, where a radio resource usage parameter of the terminal is used to indicate a frequency at which the terminal accesses the network to transmit and receive data packets. And/or the data packet transmission bandwidth; the radio access network adjusts the radio bearer resources occupied by the terminal according to the terminal radio resource usage parameter, where the terminal uses the adjusted radio bearer resource to transmit data.
- the acquiring, by the radio access network, the radio resource usage parameter of the terminal includes: acquiring, by the core network side, a radio resource usage parameter of the terminal; and the radio access network receiving the radio resource usage parameter of the terminal from the core network side.
- the core network side acquiring terminal radio resource usage parameter includes one of the following: the core network side acquires the terminal radio resource usage parameter from the subscription data; the core network side media gateway acquires the terminal radio resource according to the data packet transceiving frequency and the data packet transmission bandwidth. The parameter is used; the core network side mobility management network element acquires the terminal radio resource usage parameter according to the frequency of the terminal access signaling.
- the obtaining, by the radio access network, the radio resource usage parameter of the terminal includes: the radio access network measures the data packet transceiving frequency of the terminal and the data packet transmission bandwidth; and the radio access network acquires the terminal radio resource usage parameter according to the measurement result.
- the radio access network adjusts the radio bearer resources occupied by the terminal according to the radio resource usage parameter of the terminal, where the radio access network adjusts the idle timing of the terminal according to the radio resource usage parameter of the terminal, based on the operator policy and the data packet characteristics of the terminal.
- the radio access network adjusts the idle timer time parameter of the terminal according to the radio resource usage parameter of the terminal, where: the radio access network determines, according to the radio resource usage parameter of the terminal, whether the terminal sends the data packet or the frequency data packet; if the terminal occasionally sends the data packet, The radio access network shortens the idle timer time parameter. If the terminal frequently sends a data packet, the radio access network extends the idle timer time parameter.
- the radio access network adjusts the radio bearer bandwidth occupied by the terminal according to the radio resource usage parameter of the terminal, where the radio access network adjusts the radio bearer bandwidth occupied by the terminal according to the data packet transmission bandwidth in the radio resource usage parameter of the terminal.
- the method further includes: the radio access network sending the parameter of the adjusted radio bearer resource to the core network.
- the terminal radio resource usage parameter includes at least one of the following: a data packet transceiving frequency of the terminal, a data packet transmission bandwidth, a frequency of terminal access signaling, and a discontinuous reception DR parameter.
- the method further includes: when the terminal maintains the connection state for a long time, the radio access network uses the long DR parameter control terminal to perform the radio access network. jobs.
- a radio resource adjustment apparatus including: an obtaining module, configured to acquire a radio resource usage parameter of a terminal, where the terminal radio resource usage parameter is used to indicate that the terminal accesses the network for data packet transceiving. Frequency and/or data packet transmission bandwidth;
- the radio resource adjustment module is configured to adjust the radio bearer resources occupied by the terminal according to the radio resource usage parameter of the terminal, where the terminal uses the adjusted radio bearer resource to transmit data.
- the obtaining module comprises: a receiving unit, configured to receive the terminal radio resource usage parameter from the core network side.
- the obtaining module comprises: a measuring unit, configured to measure a data packet transceiving frequency of the terminal and a data packet transmission bandwidth; and an acquiring unit, configured to acquire the terminal radio resource usage parameter according to the measurement result.
- the network side when the terminal accessing the 3GPP network frequently transmits or spoke data, the network side optimizes and adjusts the radio resource according to the acquired radio resource usage parameter of the terminal, thereby optimizing the network resource without reducing the user experience. It can prevent the signaling storm caused by the frequent transmission of data packets by the terminal, and saves the power consumption of the terminal to a certain extent, maximizes the energy saving of the terminal, and achieves better network optimization and power saving effect.
- the radio bearer bandwidth of the transport data packet can be reduced to a certain extent (especially for small data packets, because the bandwidth occupied by the small data packet is relatively small, and the air interface bandwidth needs to be optimized) to match the bandwidth of the data packet. To ensure that part of the bandwidth resources are released without reducing the user experience, and the use of wireless resources is maximized.
- FIG. 1 is a schematic diagram of a network architecture of a UMTS PS according to the related art
- FIG. 2 is a schematic diagram of a network architecture of an EPS according to the related art
- FIG. 3 is a schematic diagram of a system architecture of an enhanced PS network according to the related art
- 4 is a flowchart of resource allocation and bearer establishment of an MTC terminal accessing a 3GPP packet network according to the related art
- FIG. 5 is a flowchart of a radio resource adjustment method according to an embodiment of the present invention
- FIG. 6 is a flowchart according to an embodiment of the present invention.
- FIG. 7 is a flowchart of a radio resource adjustment method according to a preferred embodiment of the present invention
- FIG. 8 is a flowchart of a radio resource adjustment method according to a preferred embodiment 2 of the present invention
- FIG. 10 is a flowchart of a radio resource adjustment method according to a preferred embodiment 4 of the present invention.
- FIG. 5 is a flowchart of a radio resource adjustment method according to an embodiment of the present invention. As shown in FIG. 5, the following steps S502 to S504 are included. Step S502: The radio access network acquires a radio resource usage parameter of the terminal, where the terminal radio resource usage parameter is used to indicate a frequency and/or a data packet transmission bandwidth of the terminal to access the network for data packet transceiving.
- Step S504 The radio access network adjusts the radio bearer resources occupied by the terminal according to the radio resource usage parameter of the terminal, where the terminal uses the adjusted radio bearer resource to transmit data.
- the frequency of the data packet sent by the terminal causes a signaling storm, and the occasional data packet is not conducive to power saving of the terminal.
- the network side optimizes and adjusts the radio resource according to the acquired radio resource usage parameter of the terminal, thereby optimizing the network without reducing the user experience.
- the resource prevents the signaling storm caused by the terminal from initiating the data packet transmission, and saves the power consumption of the terminal to a certain extent, maximizes the energy saving of the terminal, and achieves better network optimization and power saving effect.
- the radio bearer bandwidth of the transport data packet can be reduced to a certain extent (especially for small data packets, because the bandwidth occupied by small data packets is relatively small, and the air interface bandwidth needs to be optimized) to match the bandwidth of the data packet. To ensure that part of the bandwidth resources are released without reducing the user experience, and the use of wireless resources is maximized.
- the terminal radio resource usage parameter includes at least one of the following: a data packet transceiving frequency of the terminal, a data packet transmission bandwidth, a frequency of terminal access signaling, and a discontinuous reception DR parameter.
- the data packet transmission bandwidth may include parameters such as a maximum transmission bandwidth of the data packet and an average transmission bandwidth.
- the packet transmission bandwidth can be calculated based on the packet length per unit time.
- the terminal radio resource usage parameter is obtained by the core network side, and then sent to the radio access network by using the following steps:
- the core network side acquires the terminal radio resource usage parameter;
- the radio access network receives the terminal radio resource from the core network side.
- Use parameters Preferably, the core network side acquiring terminal radio resource usage parameter includes one of the following: the core network side acquires the terminal radio resource usage parameter from the subscription data; the core network side media gateway acquires the terminal radio resource according to the data packet transceiving frequency and the data packet transmission bandwidth.
- the parameter is used; the core network side mobility management network element acquires the terminal radio resource usage parameter according to the frequency of the terminal access signaling.
- step S504 includes: the radio access network adjusts the idle timing of the terminal according to the radio resource usage parameter of the terminal based on the operator policy and the data packet characteristics of the terminal.
- the idle timer time parameter of the terminal is adjusted, that is, the time interval for controlling the terminal to enter the idle state, so that when the terminal occasionally sends the data packet, the radio bearer resource is released in the shortest time and enters the idle state;
- the network side may also perform parameter measurement according to the operator policy to obtain the terminal radio resource usage parameter.
- the radio access network adjusts the idle timer time parameter of the terminal according to the radio resource usage parameter of the terminal, where: the radio access network determines, according to the radio resource usage parameter of the terminal, whether the terminal sends the data packet or the frequency data packet; if the terminal occasionally sends the data packet, The radio access network shortens the idle timer time parameter. If the terminal frequently sends a data packet, the radio access network extends the idle timer time parameter. In the preferred embodiment, when the terminal occasionally sends a data packet, the adjustment shortens the idle timer time parameter, so that when the terminal ends the data packet transmission, the RRC connection is immediately released, and the terminal enters the idle state, and the terminal quickly transmits the data after the data is transmitted.
- the radio access network adjusts the radio bearer bandwidth occupied by the terminal according to the radio resource usage parameter of the terminal, where the radio access network adjusts the radio bearer bandwidth occupied by the terminal according to the data packet transmission bandwidth in the radio resource usage parameter of the terminal.
- the radio bearer bandwidth of the transport data packet is reduced to a certain extent (especially for small data packets, because the bandwidth occupied by the small data packet is relatively small, and the air interface bandwidth needs to be optimized), so that the radio bearer bandwidth is The bandwidth of the data packet is matched to ensure that part of the bandwidth resources are released without reducing the user experience, thereby saving air interface resources and maximizing the use of radio resources.
- the method further includes: the radio access network sending the parameter of the adjusted radio bearer resource to the core network.
- the core network modifies the bearer resources of the core network according to the adjusted radio bearer resource parameters, such as the bearer bandwidth, so that the QoS parameters carried by the radio bearer and the core network are consistent.
- the method further includes: when the terminal maintains the connection state for a long time, the radio access network uses the long DR parameter control terminal to perform the radio access network. jobs.
- the long DR parameter when the terminal is always in the connected state, the long DR parameter can be used to save power, and the terminal performs data transmission and reception in a short DRX on cycle, and does not perform data transmission and reception in a long DRX OFF cycle, thereby achieving energy saving of the terminal.
- the long DR parameter can be obtained from the SGSN/MME, or the wireless access network can be determined according to the operator policy.
- the above data packet is a small data packet.
- the embodiment of the present invention further provides a radio resource adjustment apparatus, where the radio resource adjustment apparatus can be used to implement the foregoing radio resource adjustment method.
- FIG. 6 is a structural block diagram of a radio resource adjustment apparatus according to an embodiment of the present invention. As shown in FIG.
- the apparatus includes an acquisition module 62 and a radio resource adjustment module 64.
- the structure is described in detail below.
- the obtaining module 62 is configured to obtain the terminal radio resource usage parameter, where the terminal radio resource usage parameter is used to indicate the frequency and/or the data packet transmission bandwidth of the terminal accessing the network for sending and receiving data packets;
- the radio resource adjustment module 64 is connected to
- the obtaining module 62 is configured to adjust, according to the terminal radio resource usage parameter acquired by the obtaining module 62, the radio bearer resource that is occupied by the terminal, where the terminal uses the radio bearer resource adjusted data adjusted by the radio resource adjustment module 64.
- the terminal radio resource usage parameter includes at least one of the following: a data packet transceiving frequency of the terminal, a data packet transmission bandwidth, a frequency of terminal access signaling, and a discontinuous reception DR parameter.
- the obtaining module 62 comprises: a receiving unit, configured to receive the terminal radio resource usage parameter from the core network side.
- the radio access network receives the terminal radio resource usage parameters acquired by the core network.
- the core network side acquiring terminal radio resource usage parameter includes one of the following: the core network side acquires the terminal radio resource usage parameter from the subscription data; the core network side media gateway acquires the terminal radio resource according to the data packet transceiving frequency and the data packet transmission bandwidth.
- the core network side mobility management network element acquires the terminal radio resource usage parameter according to the frequency of the terminal access signaling.
- the obtaining module 62 further includes: a measuring unit, configured to measure a data packet transceiving frequency of the terminal and a data packet transmission bandwidth; and an acquiring unit, connected to the measuring unit, configured to acquire the terminal radio resource usage parameter according to the measurement result.
- the radio resource adjustment module 64 includes: an adjustment unit, configured to adjust an idle timer time parameter of the terminal and/or a radio bearer bandwidth occupied by the terminal according to the terminal radio resource usage parameter, based on the operator policy and the data packet characteristics of the terminal, The idle timer time parameter is used to indicate the time interval when the terminal enters the idle state from the connected state.
- the adjustment unit adjusts the idle timer time parameter of the terminal, including: determining, according to the radio resource usage parameter of the terminal, whether the terminal generates an occasional data packet or a frequency transmission data packet; if the terminal occasionally transmits the data packet, the radio access network shortens the idle timer time parameter; If the terminal frequently transmits a data packet, the radio access network extends the idle timer time parameter.
- the adjusting unit adjusts the radio bearer bandwidth occupied by the terminal, including: adjusting the radio bearer bandwidth occupied by the terminal according to the data packet length information in the terminal radio resource usage parameter.
- the foregoing apparatus further includes: a sending module, connected to the radio resource adjustment module 64, configured to send, to the core network, a parameter of the radio bearer resource adjusted by the radio resource adjustment module 64.
- a sending module connected to the radio resource adjustment module 64, configured to send, to the core network, a parameter of the radio bearer resource adjusted by the radio resource adjustment module 64.
- the radio access network controls the terminal to work by using the long DR parameter.
- the above data packet is a small data packet.
- the foregoing radio resource adjustment apparatus can also be implemented by the following modules: a radio resource measurement module, a radio resource parameter delivery module, and a radio resource adjustment module.
- the preferred embodiment is described by taking a small data packet as an example.
- the radio resource measurement module (implementing the function of the obtaining module 62) is configured to perform radio resource usage parameter measurement, including service initiation frequency, data packet transmission bandwidth, and access signaling, for a small data packet transceiving terminal. Any of the frequency, DR parameters, and combinations.
- the radio resource parameter transmission module (implementing the function of the foregoing sending module) is configured to transmit the radio resource usage parameter to the radio access side by the core network side, and the radio access side transmits the adjusted radio resource parameter to the core network.
- the radio resource adjustment module (implementing the function of the radio resource adjustment module 64 described above) is configured to adjust the idle timer time parameter and/or the radio bearer bandwidth according to the radio resource usage parameter.
- the network side needs to perform radio resource optimization control on some terminals (for example, terminals of small data), and it is necessary to prevent data from being frequently initiated by the terminal.
- the problem of signaling storm caused by packet transmission also needs to maximize the energy saving of the terminal. It also needs to adjust the air interface bandwidth according to the actual bandwidth of the data packet. This ensures the optimization of radio resource utilization without reducing the 3GPP user experience. .
- the foregoing embodiments of the present invention are mainly for solving the problem of performing radio resource optimization control on the network side, optimizing the utilization of radio resources of the network, minimizing signaling storms, and optimizing power saving of the terminal without reducing user experience.
- the network side network element adjusts the idle timer time of the terminal to enter the idle state according to the radio resource usage parameter of the terminal, based on the data packet characteristics of the terminal and the operator policy. Parameters, and the bandwidth required for the terminal to transmit data.
- the adjustment shortens the idle timer time parameter, so that when the terminal ends the data packet transmission, the RRC connection is immediately released to let the terminal enter the idle state, and the terminal quickly enters the idle state to save power after transmitting the data;
- the idle time parameter of the idle timer is extended, so that the terminal is extended.
- the radio access network does not release the RRC connection, and is still in the connected state when the terminal transmits and receives the data packet again.
- the radio access network adjusts the radio bearer bandwidth according to the carrier policy according to the data packet transmission bandwidth in the radio resource usage parameter, such as the maximum transmission bandwidth of the data packet and the average transmission bandwidth, and reduces the wireless transmission of the packet to a certain extent.
- the bearer bandwidth (especially for small data packets) matches the bandwidth of the radio bearer with the bandwidth of the data packet, ensuring that part of the bandwidth resources are released without reducing the user experience, and the radio resource usage rate is maximized.
- the implementation process will be described in detail below in conjunction with the preferred embodiments.
- the foregoing wireless resource adjustment method is described by taking a small data packet as an example.
- the preferred embodiment of the present invention describes that after the terminal accesses the 3GPP network, the mobility management network element SGSN/MME obtains the terminal radio resource usage parameter from the user subscription data, and performs network access signaling.
- the response message is carried to the radio access network RNC/eNB.
- the radio access network dynamically adjusts the radio resources of the terminal according to the radio resource usage parameters of the terminal, as follows: If the frequency of transmitting and receiving small data packets is very low (ie, sporadic small data packets), the idle timer time is shortened, and the terminal transmits and receives data. After entering the idle state energy saving as early as possible; if the frequency of sending and receiving small data packets is very high (that is, the small data packets are frequently transmitted), the idle timer time is extended, so that the terminal does not initiate the RRC connection release during the time interval of transmitting and receiving small data.
- FIG. 7 is a flowchart of a method for adjusting a radio resource according to a preferred embodiment of the present invention. As shown in FIG.
- Step S702 A 3GPP terminal initiates a NAS access request to a RAN access network of a 3GPP network, such as attaching Or the location update request, the RAN selects a serving SGSN/MME and sends the request to the SGSN/MME.
- the small data indication may be included in the NAS access request or the Radio Resource Control (RRC) connection request.
- Step S704 the SGSN/MME sends a location update request to the HSS, and the HSS identifies the terminal as an unrestricted terminal according to the IMSI identifier, and searches for the subscription data of the terminal.
- RRC Radio Resource Control
- Step S706 The HSS sends the subscription information of the terminal to the SGSN/MME, and the SGSN/MME performs access authentication on the terminal.
- the SGSN/MME may obtain radio resource usage parameters from the subscription data, including: one of a small data packet transmission and reception frequency, a data packet transmission bandwidth, a DR parameter, and any combination.
- the DR parameter may also be performed by the SGSN/MME according to an operator policy. Adjustment, if it is power saving, can be adjusted to long DR parameter.
- Step S708 optionally, if the radio access network RAN/eNB indicates that the terminal is transmitting and receiving small data packets according to the small data indication, the radio access network may request the radio resource usage parameter of the terminal from the SGSN/MME.
- Step S710 the SGSN/MME sends the radio resource usage parameter of the terminal to the radio access network, and may be sent in the NAS access response message, or may be included in the radio bearer setup request message initiated by the SGSN/MME to the radio access network. .
- the signed QoS parameters may be included in the radio bearer setup message.
- the radio access network dynamically adjusts the radio resources of the terminal according to the radio resource usage parameters of the terminal, as follows: If the frequency of transmitting and receiving small data packets is very low (ie, sporadic small data packets), the idle timer time is shortened, and the terminal transmits and receives data. After entering the idle state energy saving as early as possible; if the frequency of sending and receiving small data packets is very high (that is, the small data packets are frequently transmitted), the idle timer time is extended, so that the terminal does not initiate the RRC connection release during the time interval of transmitting and receiving small data.
- the wireless access network uses the long DR parameter to save terminal power consumption.
- the terminal performs data transmission and reception in a short DRX on cycle, and does not perform data transmission and reception in a long DRX OFF cycle.
- Step S714 The radio bearer notifies the SGSN/MME after establishing and adjusting the parameters of the radio bearer, and the SGSN/MME performs the modification of the core network bearer according to the adjusted bandwidth, so that the bandwidth of the core network is consistent with the bandwidth of the radio side.
- the preferred embodiment describes that after the terminal accesses the 3GPP network, the radio access network obtains the radio resource usage parameter of the terminal according to the measurement of the small data transmission and reception interval and the data packet length.
- the radio access network dynamically adjusts the radio resources of the terminal according to the radio resource usage parameters of the terminal, as follows: if the frequency of transmitting and receiving small data packets is very low (ie, sporadic small data packets), the idle timer time is shortened, and the terminal transmits and receives data.
- the idle timer time is extended, so that the terminal does not initiate the RRC connection release during the time interval of transmitting and receiving small data. Reduce the signaling storm; if the current radio bearer bandwidth is higher than the actual packet transmission bandwidth, moderately reduce the current radio bearer bandwidth; if the current radio bearer bandwidth is lower than the actual used packet transmission bandwidth, moderately improve the current Wireless bearer bandwidth.
- the wireless access network uses the long DR parameter to save terminal power consumption.
- FIG. 8 is a flowchart of a radio resource adjustment method according to a second embodiment of the present invention. As shown in FIG. 8, the specific steps are as follows: Step S802: A 3GPP terminal initiates an RRC setup request to a RAN access network of a 3GPP network, requesting to establish a radio. Bear the connection. The small data indication may be included in the RRC connection request.
- Steps S804a to S804b the RAN selects a serving SGSN/MME, and the SGSN/MME performs bearer establishment, and finally establishes a radio bearer and a core network bearer.
- the QoS parameters carried by the core network are mapped to the radio bearer.
- the actual bandwidth and the allocated bandwidth are inconsistent when the small data is sent, and the bandwidth resources are wasted.
- Step S806, the terminal performs small data packet transmission and reception through the radio bearer and the core network bearer.
- Step S808 the radio access network starts the radio resource usage parameter measurement mechanism based on the operator policy, and the length of the small data packet sent and received in the unit time on the radio bearer within a certain period (such as the maximum length parameter, average).
- the length parameter is measured and the parameters of the small packet transmission bandwidth, such as the maximum transmission bandwidth and the average transmission bandwidth, are obtained.
- Step S810 according to a normal process, when the idle timer overflows, the radio access network releases the RRC connection, and the terminal enters an idle state.
- Step S812 the terminal initiates the small data service again, and the terminal re-initiates the RRC connection request, requesting access to the network for small data transmission and reception.
- Step S814 the radio access network measures the frequency of the terminal transmitting and receiving small data in a certain period.
- Step S816 After obtaining the radio resource usage parameter of the terminal, the radio access network establishes a radio bearer with the terminal. The idle timer time parameter and the bandwidth of the radio bearer are adjusted based on the characteristics of the small data and the operator policy. The radio access network dynamically adjusts the radio resources of the terminal according to the radio resource usage parameters of the terminal, as follows: If the frequency of transmitting and receiving small data packets is very low (ie, sporadic small data packets), the idle timer time is shortened, and the terminal transmits and receives data.
- the idle timer time is extended, so that the terminal does not initiate the RRC connection release during the time interval of transmitting and receiving small data. Reduce the signaling storm; if the current radio bearer bandwidth is higher than the actual packet transmission bandwidth, moderately reduce the current radio bearer bandwidth; if the current radio bearer bandwidth is lower than the actual used packet transmission bandwidth, moderately improve the current Wireless bearer bandwidth.
- the wireless access network uses the long DR parameter to save terminal power consumption.
- the terminal performs data transmission and reception in a short DRX on cycle, and does not perform data transmission and reception in a long DRX OFF cycle.
- the long DR parameter can be obtained from the SGSN/MME, or the wireless access network can be determined according to the operator policy.
- Step S818 After the radio bearer establishes and adjusts the parameters of the radio bearer, it is carried in the service request message to the SGSN/MME.
- the SGSN/MME performs the modification of the core network bearer according to the adjusted bandwidth.
- Step S822 After receiving the bearer modification response message, the SGSN/MME confirms that the QoS parameter of the core network has been modified, and initiates a radio bearer setup/modification request to the radio access network, where the request message carries the updated QoS parameter.
- Steps S824a to S824b the radio access network maps the updated QoS parameters to the radio bearers, so that the core network bearers are consistent with the bandwidth of the radio bearers.
- the radio bearer and the core network bearer are updated successfully.
- Step S826 the terminal sends and receives small data packets on the radio bearer and the core network bearer. Because the radio resources have been dynamically adjusted, the network optimization and the terminal energy saving effect can be optimized.
- the preferred embodiment describes that after the terminal accesses the 3GPP network, the core network side media gateway GGSN/PDN GW obtains the terminal radio resource usage parameter according to the measurement of the small data transmission and reception interval and the data packet length, and passes the The SGSN/MME is sent to the radio access network.
- the radio access network dynamically adjusts the radio resources of the terminal according to the radio resource usage parameters of the terminal, as follows: If the frequency of transmitting and receiving small data packets is very low (ie, sporadic small data packets), the idle timer time is shortened, and the terminal transmits and receives data.
- the idle timer is shortened, so that the terminal does not initiate the RRC connection release during the time interval of transmitting and receiving small data.
- the wireless access network uses the long DR parameter to save terminal power consumption.
- FIG. 9 is a flowchart of a radio resource adjustment method according to a preferred embodiment of the present invention. As shown in FIG. 9, the specific steps are as follows: Step S902: A 3GPP terminal initiates an RRC setup request to a RAN access network of a 3GPP network, requesting to establish a radio. Bear the connection. The small data indication may be included in the RRC connection request.
- Step S904 the terminal sends a NAS access request to the SGSN/MME, such as an attach request or a location update request, the RAN selects a serving SGSN/MME, and the SGSN/MME performs bearer establishment, and finally establishes a radio bearer and Core network bearer.
- the small data indication may be included in the NAS access request.
- Step S906a to step S906b the SGSN/MME establishes a core network bearer for the terminal, and notifies the radio access network to establish a radio bearer.
- the QoS parameters carried by the core network are mapped to the radio bearer. The actual bandwidth and the allocated bandwidth are inconsistent when the small data is sent, and the bandwidth resources are wasted.
- Step S908 the terminal performs small data packet transmission and reception through the radio bearer and the core network bearer.
- Step S910 The core network side media gateway GGSN/SGW/PGW starts the radio resource usage parameter measurement mechanism based on the operator policy, and sends and receives small data packets sent and received on the core network bearer in a certain period, and small data per unit time. The length of the packet (such as the maximum length parameter and the average length parameter) is measured, and the small packet transmission bandwidth, such as the maximum transmission bandwidth and the average transmission bandwidth, is obtained.
- Step S912 after the media gateway measurement is completed, return the radio resource usage parameter to the SGSN/MME.
- Step S914 optionally, if the radio access network RAN/eNB indicates that the terminal is transmitting and receiving small data packets according to the small data indication, the radio access network may request the radio resource usage parameter of the terminal from the SGSN/MME.
- Step S916 The SGSN/MME may include the long DR parameter in the radio resource usage parameter according to the operator policy, and send the radio resource usage parameter of the terminal to the radio access network. It may be sent in the NAS access response message, or may be included in the radio bearer setup request message initiated by the SGSN/MME to the radio access network.
- the radio bearer setup message may contain the actual measured bandwidth parameters.
- Step S918 After obtaining the radio resource usage parameter of the terminal, the radio access network establishes a radio bearer with the terminal.
- the idle timer time parameter and the bandwidth of the radio bearer are adjusted based on the characteristics of the small data and the operator policy.
- the radio access network dynamically adjusts the radio resources of the terminal according to the radio resource usage parameters of the terminal, as follows: If the frequency of transmitting and receiving small data packets is very low (ie, sporadic small data packets), the idle timer time is shortened, and the terminal transmits and receives data.
- the idle timer time is extended, so that the terminal does not initiate the RRC connection release during the time interval of transmitting and receiving small data. Reduce the signaling storm; if the current radio bearer bandwidth is higher than the actual packet transmission bandwidth, moderately reduce the current radio bearer bandwidth; if the current radio bearer bandwidth is lower than the actual used packet transmission bandwidth, moderately improve the current Wireless bearer bandwidth.
- the wireless access network uses the long DR parameter to save terminal power consumption.
- the terminal performs data transmission and reception in a short DRX on cycle, and does not perform data transmission and reception in a long DRX OFF cycle.
- the long DR parameter can be obtained from the SGSN/MME, or the wireless access network can be determined according to the operator policy.
- Step S920 After the radio bearer establishes and adjusts the parameters of the radio bearer, the SGSN/MME is notified, and the SGSN/MME performs the modification of the core network bearer according to the adjusted bandwidth, so that the bandwidth of the core network is consistent with the bandwidth of the radio side.
- the radio bearer is established and updated with the core network bearer.
- Step S922 The terminal sends and receives small data packets on the radio bearer and the core network bearer.
- the preferred embodiment of the present invention describes that after the terminal accesses the 3GPP network, the core network side mobility management network element SGSN/MME obtains the terminal radio resource usage parameter according to the measurement of the NAS access signaling, and sends the parameter to the terminal.
- Wireless access network The radio access network dynamically adjusts the radio resources of the terminal according to the radio resource usage parameters of the terminal, as follows: If the frequency of NAS access signaling used for transmitting and receiving small data packets is very low (ie, sporadic small data packets), the idle timer is shortened.
- the wireless access network uses the long DR parameter to save the terminal power consumption.
- Step S1002 A 3GPP terminal initiates an RRC setup request to a RAN access network of a 3GPP network, requesting to establish a radio. Bear the connection. The small data indication may be included in the RRC connection request.
- Step SI 004 the terminal sends a NAS access request to the SGSN/MME, such as an attach request or a location update request, the RAN selects a serving SGSN/MME, and the SGSN/MME performs bearer establishment, and finally establishes a radio bearer. And core network bearer.
- the small data indication may be included in the NAS access request.
- the terminal may carry the small data data in the NAS access signaling and send it to the SGSN/MME, and the SGSN/MME sends the data to the MTC server through the MTC IWF.
- the core network mobility management network element SGSN/MME starts the radio resource usage parameter measurement mechanism based on the operator policy, and measures the frequency of receiving and receiving NAS access signaling on the core network bearer in a certain period.
- Step S1006b optionally, the terminal still sends and receives small data packets through the IP bearer. At this time, before the terminal initiates the service, the terminal needs to frequently initiate a service request to establish or update the bearer.
- the core network mobility management network element SGSN/MME starts the radio resource usage parameter measurement mechanism based on the operator policy, and measures the frequency of receiving and receiving NAS access signaling on the core network bearer in a certain period.
- Step S1008 The SGSN/MME obtains the radio resource access parameter of the terminal according to the measurement.
- Step S1010 Optionally, if the radio access network RAN/eNB knows that the terminal is to send and receive small data packets according to the small data indication, the radio access network may request the radio resource usage parameter of the terminal from the SGSN/MME.
- Step S1012 The SGSN/MME may include the long DR parameter in the radio resource usage parameter according to the operator policy, and send the radio resource usage parameter of the terminal to the radio access network.
- Step S1014 After obtaining the radio resource usage parameter of the terminal, the radio access network adjusts the idle timer time parameter based on the characteristics of the small data and the operator policy.
- the radio access network dynamically adjusts the radio resources of the terminal according to the radio resource usage parameters of the terminal, as follows: If the frequency of NAS access signaling used for transmitting and receiving small data packets is very low (ie, sporadic small data packets), the idle timer is shortened.
- the wireless access network uses the long DR parameter to save terminal power consumption.
- the terminal performs data transmission and reception in a short DRX on cycle, and does not perform data transmission and reception in a long DRX OFF cycle.
- the long DR parameter can be obtained from the SGSN/MME, or the wireless access network can be determined according to the operator policy.
- the radio access network can perform subsequent access control or data transceiving operations according to the process, and the description will not be continued any further.
- the steps shown in the flowchart of the accompanying drawings may be performed in a computer system such as a set of computer executable instructions, and, although the logical order is shown in the flowchart, in some cases, The steps shown or described may be performed in an order different than that herein.
- the network side optimizes the radio resource according to the acquired radio resource usage parameter of the terminal.
- the network resources are optimized under the premise that the user experience is not reduced, and the signaling storm caused by the frequent initiation of data packet transmission by the terminal is prevented, and the power consumption of the terminal is saved to a certain extent, so that the terminal energy saving is maximized.
- the radio bearer bandwidth of the transport data packet can be reduced to a certain extent (especially for small data packets, because the bandwidth occupied by the small data packet is relatively small, and the air interface bandwidth needs to be optimized) to match the bandwidth of the data packet. To ensure that part of the bandwidth resources are released without reducing the user experience, and the use of wireless resources is maximized.
- modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module.
- the invention is not limited to any specific combination of hardware and software.
- the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.
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Abstract
Description
Claims
Priority Applications (3)
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| JP2015533434A JP6371290B2 (ja) | 2012-09-26 | 2013-09-26 | 無線リソース調整方法及び装置 |
| US14/431,518 US20150358967A1 (en) | 2012-09-26 | 2013-09-26 | Method and Device for Adjusting Radio Resource |
| EP13841922.1A EP2903381B1 (en) | 2012-09-26 | 2013-09-26 | Radio resource adjusting method and device |
Applications Claiming Priority (2)
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| CN201210374361 | 2012-09-26 | ||
| CN201210374361.3 | 2012-09-26 |
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| EP (1) | EP2903381B1 (zh) |
| JP (1) | JP6371290B2 (zh) |
| CN (1) | CN103686866A (zh) |
| WO (1) | WO2014048345A1 (zh) |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2903381A4 (en) | 2015-09-23 |
| EP2903381B1 (en) | 2017-03-22 |
| JP6371290B2 (ja) | 2018-08-08 |
| EP2903381A1 (en) | 2015-08-05 |
| JP2015534381A (ja) | 2015-11-26 |
| US20150358967A1 (en) | 2015-12-10 |
| CN103686866A (zh) | 2014-03-26 |
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