WO2010115336A1 - 组资源分配的处理方法 - Google Patents
组资源分配的处理方法 Download PDFInfo
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- WO2010115336A1 WO2010115336A1 PCT/CN2009/075995 CN2009075995W WO2010115336A1 WO 2010115336 A1 WO2010115336 A1 WO 2010115336A1 CN 2009075995 W CN2009075995 W CN 2009075995W WO 2010115336 A1 WO2010115336 A1 WO 2010115336A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/121—Wireless traffic scheduling for groups of terminals or users
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
Definitions
- the present invention relates to the field of communications, and in particular, to a method for processing group resource allocation. Background technique
- a base station refers to a radio transceiver station that transmits information to and from a user in a specific area.
- the base station communicates with the user through the uplink/downlink, where the downlink refers to the transmission direction of the base station to the user, and the uplink refers to the transmission direction of the user to the base station.
- Multiple users can simultaneously transmit data to the base station through the uplink, or can simultaneously receive data from the base station through the downlink.
- relaying can be performed between the base station and the user through the relay station.
- scheduling allocation of radio resources is mainly done by a base station. For example, the base station gives downlink resource allocation information when the base station performs downlink transmission, and uplink resource allocation information when the user performs uplink transmission.
- a base station allocates resources for each user is performed separately, and each user has its own resource allocation information.
- the base station also sends similar scheduling information to the multiple users for the same or similar scheduling requirements, but this increases the complexity of the base station for wireless resource scheduling.
- the control overhead generated by the base station for wireless resource allocation and management increases, and ultimately valuable wireless resources in the wireless communication system are wasted. Reduce the transmission efficiency of wireless communication systems.
- the dynamic resource allocation method of the 802.16e system is: dynamic resource allocation for each user, indicating the identity of the user in the control message for each allocation, resource information Wait. This dynamic allocation method tends to cause excessive control message overhead when the number of users is large. For example, VoIP users The control overhead is approximately 40% of the total downstream resources of the system.
- the IEEE 802.16e system's permanent allocation method can reduce the overhead of VoIP services. However, the error control mechanism and the hole filling mechanism are more complicated, and the permanent allocation method is only applicable to periodic services with fixed resource sizes. Users with large business changes do not apply.
- the next generation wireless communication system has adopted many new technologies in order to support more users and higher spectrum efficiency.
- the frame structure describes the control structure of the radio resources in the time domain, and the frame structure divides the radio resources into different levels of units in the time domain, such as Superframe, Frame, Subframe, and Symbol. (symbol), and scheduling control is implemented by setting different control channels such as BCCH (Broadcast Control Channel), UCCH (Unicast Control Channel), and the like.
- BCCH Broadcast Control Channel
- UCCH Unicast Control Channel
- the radio resource is divided into super frames in the time domain, each super frame includes 4 frames, each frame includes 8 subframes, and the sub frame is composed of 6 basic OFDMA symbols, and the actual system is required according to needs.
- Factors such as the supported bandwidth and the cyclic prefix length of the OFDMA symbol determine how many OFDMA symbols are included in each level unit in the frame structure.
- the broadcast control channel may be set in the first downlink subframe in the superframe, system information such as resource mapping is sent, and scheduling control information such as resource allocation of the unicast control channel is set.
- the broadcast control channel is located in the first subframe of the superframe, also called SFH (Superframe Header), the superframe header can be divided into P-SFH (Primary Super Frame Header) and / Or S-SFH (Secondary Superframe Header).
- the unicast control channel is mainly used for transmitting MAP information such as resource allocation, and the unicast control channel may be referred to as a MAP channel, and the MAP information transmitted in the unicast channel may be classified into User-Specific MAP (User-Specific MAP information) and Non-User- Specific MAP (non-user specific MAP information).
- resource scheduling techniques For services with small data packets, high real-time performance, and high number of users, it is particularly important to make full use of system resources to reduce the signaling overhead of resource allocation descriptions, for example, VoIP (voice over IP, VoIP), Gaming. , conference videos, etc.
- the base station can perform unified management by means of grouping, that is, GR A, when scheduling users with the same or similar scheduling requirements (for example, modulation and coding mode, resource occupancy size, or service type).
- grouping that is, GR A
- Group resource allocation allocates a certain group resource to a group, and all users in the group share the group resource.
- the GRA IE Group Resource Allocation Information Element
- the GCIE Group Configuration Information Element
- the control overhead of the communication system further improves the resource utilization efficiency in the wireless communication system.
- the present invention has been made in view of the need in the related art to solve the problem of how to efficiently and completely group resource allocation.
- the main object of the present invention is to provide a method for processing group resource allocation to solve the above problem. problem.
- a method for processing group resource allocation including:
- the base station establishes a group according to a modulation and coding mode and/or a resource size
- the modulation coding scheme and/or resource size supported by the group is static or semi-static.
- the establishing, by the base station, the group according to the modulation and coding mode and/or the resource size comprises: the base station dividing the multiple modulation and coding modes supported by the base station into one or more modulation and coding modes.
- each group supports a set of modulation coding modes.
- Each modulation coding mode is identified by a binary bit index, and each modulation coding mode set is identified by a binary bit ID.
- the method of dividing includes at least one of the following:
- the modulation coding mode of the transposition belongs to a different modulation coding mode set; wherein the number of modulation coding modes included in the plurality of divided modulation coding mode sets are the same or different from each other, and the intersection of the different modulation coding mode sets is an empty set.
- the base station further notifies at least one of the following parameters by using a group resource allocation information unit and/or a group configuration information unit: a modulation and coding mode set, a modulation and coding mode set ID, a modulation and coding mode index, a resource size, a resource size set, and a HARQ packet length. , HARQ packet length set Hehe.
- the group is used for resource allocation to one or more users.
- the resource size refers to the resource size of one or more supported by the group.
- the modulation coding mode and/or the resource size of the group is static: the set of modulation coding modes or modulation coding modes supported by the group is predetermined or fixed; and/or, the group supports resource size or resource size set It is scheduled or fixed.
- the modulation coding mode of the group is semi-static: the set of modulation coding modes supported by the group or the modulation coding mode set ID is not fixed, or one or more modulation coding modes in the set of modulation coding modes supported by the group Not fixed.
- the resource size of the group is semi-static: the set of resource sizes or resource sizes supported by the group is not fixed, or one or more resource sizes in the set of resource sizes supported by the group are not fixed. .
- the base station further changes the modulation coding mode or the modulation coding mode set supported by the group by one or a combination of the following: a group configuration information unit, a group resource allocation information unit, and a secondary super frame header.
- the method further includes:
- the modulation and coding mode information includes at least one of: a number of modulation coding mode sets, an ID of each modulation coding mode set, and each modulation
- the modulation coding mode index included in the coding mode set, the modulation coding mode set ID supported by each group, and/or the modulation coding mode index supported by each group, the set of resource sizes or sizes supported by each group, and the support of each group A collection of HARQ packet lengths or lengths.
- the method further includes:
- the base station sends a group resource allocation information unit by using an A-MAP control channel, where the group resource allocation information unit carries at least one of the following information: an information unit type, a group identification number, Modulation coding mode set ID, index of each modulation coding mode in the modulation coding mode set, number of users newly joining the group, user ID of the newly joined group, index of the user who newly joined the group in the user bitmap, number of users who exit the group
- the index of the user who exits the group in the user bitmap and is used to implement at least one of the following functions: resource allocation of users within the group, one or more user exit groups, notification of modulation coding mode set ID supported by the group, group support
- the modulation coding mode sets the ID update, the group-supported modulation coding mode index notification, and the group-supported modulation coding mode index update.
- the method further includes:
- the base station sends a group configuration information unit by using an A-MAP control channel or a data channel, where the group configuration information unit carries at least one of the following information: an information unit type, a message type, a group identification number, a modulation and coding mode set ID, The index of each modulation coding mode in the modulation coding mode set, the number of users newly added to the group, the user ID of the newly joined group, the index of the user who newly joins the group in the user bitmap, the number of users who exit the group, and the user who exits the group are The index in the user bitmap, the multicast ID of the group, and used to implement at least one of the following functions: a join group of one or more users, an exit group of one or more users, a notification of a modulation coded mode set ID supported by the group The group-supported modulation and coding mode set ID update, the group-supported modulation and coding mode index notification, and the group-supported modulation coding mode index update.
- the method further includes:
- the base station masks a cyclic redundancy check code of the group configuration information unit with a user identifier of the user;
- the base station sends a group configuration information unit by using an A-MAP control channel or a data information. If the group configuration information unit corresponds to multiple users, the method further includes:
- the base station masks a cyclic redundancy check code of the group configuration information unit with a multicast ID of the group, or the base station does not mask a cyclic redundancy check code of the group configuration information unit.
- the type of the base station is one of the following: a macro base station, a micro base station, a pico base station, and a Femto base station.
- the group establishment manners of different types of base stations are the same or different.
- the different group establishment manners mean that at least one of the following parameters is different: the number of modulation coding mode sets, the ID of each modulation coding mode set, the index of the modulation coding mode included in each modulation coding mode set, and the support of each group
- the establishment of the group is based on a modulation coding mode and/or a resource size, and may change a modulation coding mode and/or a resource size of the group, which can be reduced in the wireless communication system compared to the prior art.
- the complexity and control overhead of the group resource allocation method improves the bandwidth utilization of the wireless communication system transmission.
- FIG. 1 is a schematic diagram of a frame structure of a wireless communication system according to the related art
- FIG. 2 is a flowchart of a method for processing group resource allocation according to an embodiment of the method of the present invention
- FIG. 3 is a bitmap of a user bitmap and a resource allocation in a group
- FIG. 4 is a schematic diagram of a modulation coding mode set configuration 1 of a group in a macro base station
- FIG. 5 is a schematic diagram of a modulation and coding mode set configuration 2 of a group in a macro base station
- FIG. 6 is a schematic diagram of a modulation coding mode set configuration 3 of a group in a macro base station
- FIG. 7 is a schematic diagram of a modulation and coding mode set configuration 4 of a group in a macro base station
- Figure 8 is a schematic diagram showing another configuration example of the modulation and coding mode set configuration 4 of the group in the macro base station;
- Fig. 9 is a diagram showing a configuration of a modulation coding scheme set of a group of Femto base stations. detailed description
- the present invention proposes a group and group configuration scheme in group resource allocation, and the present invention will be described in detail below.
- a processing method of group resource allocation is provided.
- FIG. 2 is a flowchart of a method for processing group resource allocation according to an embodiment of the present invention. As shown in FIG. 2, the method includes the following steps (step S202 to step S204).
- Step S202 The base station establishes a group according to a modulation and coding mode and/or a resource size, where each modulation and coding mode is identified by a binary bit index, and each modulation and coding mode set is identified by a binary bit ID.
- the modulation coding mode and/or the resource size supported by the group are static or semi-static, that is, the base station may change the modulation coding mode and/or the resource size of the group in a semi-static manner or a static manner, where
- the resource size refers to the resource size of one or more supported by the group
- the modulation and coding mode of the group is semi-static: the modulation coding mode set or the modulation coding mode set ID supported by the group
- One or more modulation coding modes that are not fixed, or a set of modulation coding modes supported by the group are not fixed.
- the resource size of the group is semi-static: the set of resource sizes or resource sizes supported by the group is not fixed, or one or more resource sizes in the set of resource sizes supported by the group are not fixed.
- the establishing, by the base station, the group according to the modulation and coding mode and/or the resource size refers to: the base station divides multiple modulation and coding modes supported by the base station into one or more modulation and coding mode sets, and each group supports one modulation and coding mode set. And the division of the modulation coding mode set can be performed in one of the following four ways:
- Method 1 Part of multiple modulation coding modes according to modulation mode and/or coding rate Sort all, and select some or all of the ordered modulation coding modes as a modulation coding mode set;
- Manner 2 divide a part of a plurality of modulation and coding modes or a set of modulation and coding modes according to a modulation mode and/or a coding rate, where the number of modulation coding modes included in the plurality of divided modulation and coding mode sets are the same or different from each other, And the intersection of the different modulation and coding mode sets is empty mode three: according to the modulation mode and/or the coding rate, the part of the multiple modulation and coding modes or the modulation and coding mode set is divided, where the divided multiple modulation and coding mode sets are included The number of modulation coding modes is the same or different from each other, and the intersection of the intersections of the plurality of modulation coding mode sets is an empty set;
- Manner 4 Sort some or all of the plurality of modulation and coding modes according to the modulation mode and/or the coding rate, and perform transposition of some adjacent modulation and coding modes of the plurality of the selected modulation and coding modes, and In the plurality of modulation and coding modes after transposition, the modulation coding mode is selected to perform modulation and coding mode set division, and the transposed modulation coding mode belongs to different modulation coding mode sets, wherein the modulation included in the divided multiple modulation and coding mode sets is included. The number of coding modes is the same or different from each other, and the intersection of different modulation coding mode sets is an empty set.
- the base station may also change the modulation coding mode or the modulation coding mode set supported by the group by one or a combination of the following: a group configuration information unit, a group resource allocation information unit, and a secondary super frame header.
- the coding mode information includes at least one of: a number of modulation coding mode sets, an ID of each modulation coding mode set, a modulation coding mode index included in each modulation coding mode set, and a modulation coding mode set ID and/or supported by each group.
- the base station may send the group configuration information unit to the terminal through the A-MAP control channel or the data channel, or the group configuration information unit carries at least one of the following information: the information unit type, the message type, The group identification number, the modulation and coding mode set ID, the index of each modulation and coding mode in the modulation and coding mode set, the number of users newly joining the group, the user ID of the newly joined group, the index of the user who newly joins the group in the user bitmap, and the exit The number of users in the group, the index of the user who exits the group in the user bitmap, the multicast ID of the group, and is used to implement at least one of the following functions: joining groups of one or more users, exit groups of one or more users, The group-supported modulation and coding mode set ID notification, the group-supported modulation and coding mode set ID update, the group-supported modulation and coding mode index notification, and the group-supported modulation and coding mode index update
- the base station may send the group resource allocation information unit to the terminal through the A-MAP control channel, wherein the group resource allocation information unit carries at least one of the following information: the information unit type, the group identification number, and the modulation code.
- the mode set ID, the index of each modulation and coding mode in the modulation and coding mode set, the number of users newly joining the group, the user ID of the newly joined group, the index of the user who newly joined the group in the user bitmap, the number of users who exit the group, and the exit The index of the user of the group in the user bitmap and used to implement at least one of the following functions: resource allocation of users within the group, one or more user exit groups, notification of modulation coding mode set ID supported by the group, modulation supported by the group.
- Table 2 gives the field size of the group resource allocation information element and the corresponding description. Table 1
- Table 1 The information unit type, the group identification number, and the modulation code.
- Location Index 5 bits Describes the location index of the user who exits the group in the user bitmap
- Group identification number 4 bits Indicates the number of the group
- the group supports a large resource. 3 bits. A set of packet sizes or a small set of packet sizes.
- the location index description is set to 1 if the location index description flag is set, then each description is described in turn.
- the flag is set to 1 ⁇ the location index index position of the join user in the user bitmap is 5 bits.
- the location index description is set to 0, it indicates that the first identifier is set to 0 ⁇ the location index of the user being described
- the first one is described with 5 bits.
- the 16-bit cyclic redundancy check code of the CRC or mask is not masked, or the cyclic redundancy check code is masked by the multicast identification CRC.
- Control Information unit type 4 bits Indicates that the type of control information unit is a group resource allocation letter, packet, unit
- Group resource location information 6 or 8 ratio Indicates the size, location, etc. of the group of resources
- MCS Set ID 3 bits Indicates the set of modulation and coding modes supported by the group
- the resource size Bitmap 4 bits indicates the resource size of each user who needs to occupy resources.
- the user MCS index 4 or 5 indicates the MCS used by each user who needs to occupy resources. Bitmap special
- HARQ information variable indication group HARQ channel number, retransmission indication, etc.
- the resource size Bitmap and the user MCS index Bitmap can be combined to reduce overhead.
- the set of modulation coding modes supported by Group 1 is ⁇ QPSK, 31/256, QPSK, 48/256, QPSK, 71/256, QPSK, 101/256, QPSK, 135/256 ⁇ , the set of resource sizes supported by Group 1.
- the set of HARQ packet lengths is ⁇ 30, 40, 60, 80, 100, 120 ⁇ , which means that the MCS index needs 3 bits, and the resource size or HARQ packet length needs 3 bits.
- the 31/256 transmission of QPSK can be preferentially used (this transmission is relatively stable at this time), and one of the following modulation modes is used as an alternative transmission mode, that is, not prioritized.
- Select one of the following transmission methods 48/256 for QPSK, 71/256 for QPSK, 101/256 for QPSK, and 135/256 for QPSK.
- only the reserved modulation coding mode (preferred transmission mode) is combined with the resource size or the HARQ packet length, and each combination can be represented by one binary bit.
- the reserved combination can be as follows: ⁇ (30, QPSK, 31/256), (40, QPSK, 48/256), (60, QPSK, 71/256), (80, QPSK, 101/256) (100, QPSK, 101/256), (120, QPSK, 135/256) ⁇ A total of 6 combinations, each combination only needs 3 bits, which saves overhead compared to the existing technical solutions.
- the base station may send a group configuration information unit to the terminal through the A-MAP control channel or the data information, and if the group configuration information unit corresponds to one user, the base station performs a cyclic redundancy check code on the group configuration information unit.
- the base station masks the user identifier of the user; if the group configuration information unit corresponds to multiple users, the base station masks the cyclic redundancy of the group configuration information unit with the multicast ID of the group, or the base station does not cycle the group configuration information unit.
- the redundant check code is masked.
- the base station may send at least one of the following parameters to the terminal by using the group resource allocation information unit and/or the group configuration information unit: a modulation and coding mode set, a modulation and coding mode set ID, and a modulation and coding mode index.
- the base station may indicate an index of a modulation and coding scheme supported by the group configuration information unit and/or the secondary broadcast control channel indication group.
- the type of the foregoing base station is one of the following: a macro base station, a micro base station, a pico base station, and a Femto base station, where groups of different types of base stations are established in the same manner or different manners, wherein different group establishment manners refer to at least one of the following parameters: Different: the number of modulation coding mode sets, the ID of each modulation coding mode set, the index of the modulation coding mode included in each modulation coding mode set, the modulation coding mode set ID supported by each group, and the modulation coding supported by each group The index of the mode, the set of resource sizes or sizes supported by each group, the set of HARQ packet lengths or lengths supported by each group.
- the group is established based on the modulation and coding mode and/or the resource size, and can change the modulation coding mode and/or the resource size of the group, which can reduce the complexity of the group resource allocation method in the wireless communication system. And control overhead, which improves the bandwidth utilization of wireless communication system transmission.
- Figure 3 depicts the user bitmap and resource allocation bitmap in the group.
- each group supports multiple MCSs, if the current channel condition of the user meets one of the multiple MCSs supported by a certain group (for example, group 1), and/or, the user sends and/or When the received packet length satisfies the packet length supported by a certain group (for example, Group 1), Group 1 can schedule the user.
- the current channel conditions of each of MS5, MS12, MS2, MS9, MS6, and MS8 satisfy one of the multiple MCSs supported by group 1, and the corresponding relationship exists between the user and the user bitmap.
- the user bitmap corresponding to MS5 is 0, the user bitmap corresponding to MS12 is 1, the user bitmap corresponding to MS2 is 1, and the user bitmap corresponding to MS9 is 1, MS6 corresponds.
- the user bitmap is 0, and the user bitmap corresponding to MS8 is 1, wherein the resource allocation bitmap corresponding to MS12 is 000, the resource allocation bitmap corresponding to MS2 is 010, and the resource allocation bitmap corresponding to MS9 is 100, MS8 corresponds
- the resource allocation bitmap is 111.
- Table 3 shows an example of the modulation and coding scheme supported by the macro base station.
- the macro base station supports a total of 16 modulation and coding modes, and the coding methods are CTC (Convolutional Turbo Code), as shown in Table 3. Shown.
- Modulation coding methods include modulation mode, coding mode and coding rate.
- the modulation mode, the coding mode, and the coding rate are corresponding to the modulation coding mode index, for example, the modulation mode is a coding rate of 225/256 corresponding to 64QAM, and the index is 1110.
- the modulation coding mode set supported by the macro base station lower group resource allocation may be generated or set according to the following example.
- a process of sorting some or all of a plurality of modulation and coding modes according to a modulation mode and/or a coding rate, and selecting some or all of the selected modulation coding modes as a modulation coding mode set is described.
- the supporting base station supports a total of C modulation coding modes, and selects c modulation coding modes from the C modulation coding modes, and further sorts the C modulation coding modes, and then selects some or all of them to form a modulation.
- 4 is a schematic diagram of a modulation coding mode set configuration 1 of a group in a macro base station, as shown in FIG.
- some or all of the multiple modulation and coding modes are sorted according to the modulation mode and/or the coding rate, and the modulation coding mode is selected from the ordered modulation and coding modes to perform the modulation and coding mode set division. Processing, wherein the number of modulation coding modes included in the plurality of divided modulation and coding modes is the same or different from each other, and different modulation coding sides The intersection of the set is an empty set.
- the base station supports a total of C modulation coding modes, and c modulation modulation coding modes are selected from C modulation coding modes, and then c modulation coding modes are sequentially selected according to the coding rate from low to high, and sequentially
- the number of modulation coding modes included in the plurality of modulation coding mode sets of the plurality of tones that are ordered are the same or different from each other, and the intersection between the plurality of modulation coding mode sets is an empty set, for example, where the first cl modulations are
- the coding mode forms a modulation coding mode set Scl
- the following c2 modulation coding modes form a modulation coding mode set Sc2
- FIG. 5 it is a modulation coding mode set configuration 2 of a group in a macro base station.
- some or all of the plurality of modulation and coding modes are sorted according to a modulation mode and/or a coding rate, and a part of adjacent modulation coding modes in the plurality of coded coding modes are replaced.
- the number of modulation coding modes included in the mode set is the same or different from each other, and the intersection of different modulation coding mode sets is an empty set.
- the base station supports a total of C modulation coding modes, and C modulation modulation coding modes are selected from C modulation coding modes, and then C modulation coding modes are sequentially selected according to the coding rate from low to high.
- Partially adjacent modulation and coding modes of the plurality of modulated modulation and coding modes are transposed, and a modulation and coding mode is selected from a plurality of modulated modulation and coding modes after transposition to perform modulation and coding mode set division, wherein the divided multiple modulations
- the number of modulation coding modes included in the coding mode set are the same or different from each other, and each of the divided modulation coding mode sets includes a partial modulation coding mode for performing transposition, and an intersection between the plurality of modulation coding mode sets is an empty set.
- the first cl modulation coding modes form a modulation coding mode set Scl
- the next c2 modulation coding modes form a modulation coding mode set Sc2
- the last ck modulation coding modes form a modulation coding mode set.
- Sck for i ⁇ j
- FIG. 6 it is a modulation coding mode set configuration 3 of a group in a macro base station.
- Scl ⁇ QPSK, 31/256, QPS
- the modulation order of the modulation coding scheme in Sc3 and Sc4 is higher and/or the difference between the maximum value and the minimum value of the coding rate is larger.
- the minimum coding rate and the maximum coding rate of Scl in Example 2 are 31/256 and 101. /256, and the minimum coding rate and maximum coding rate of Scl in this example are 31/256 and 135/256, so that the range of packet lengths that can be supported in a group is larger, allowing the range of channel conditions of users in the group to change more. Big.
- the modulation coding mode set includes the same number of modulation coding modes, that is, under the condition that the indication overhead is the same, the frequency of the users joining the group and/or the exit group can be reduced, thereby reducing management overhead and scheduling complexity.
- multiple modulation coding methods are described in terms of modulation scheme and/or coding rate. Part or all of the ordering, and sequentially selecting a modulation and coding mode from the sorted modulation and coding modes to perform modulation and coding mode set division, wherein the number of modulation coding modes included in the plurality of divided modulation and coding modes is mutually The same or different, and the intersection of the intersections of the plurality of modulation coding mode sets is an empty set.
- the supporting base station supports a total of C modulation coding modes, and selects C modulation coding modes from C modulation coding modes, and then sequentially selects C modulation coding modes according to the coding rate from low to high, and
- the number of modulation coding modes included in the plurality of divided modulation and coding schemes is the same or different from each other, and the intersection between the plurality of modulation and coding scheme sets is not an empty set.
- the first cl modulation coding modes form a modulation coding mode set Scl
- c2 modulation coding modes form a modulation coding mode set Sc2
- Sc2 includes one or more modulation coding modes in Scl
- ck The modulation coding modes form a modulation coding mode set Sck
- the Sck includes one or more modulation coding modes in Sck-1, where cl+c2+...+ck>c, and i does not equal j, so that Sci The intersection with Scj is a non-empty set.
- FIG. 7 it is a modulation coding mode set configuration 4 of a group in a macro base station.
- the intersection of the adjacent modulation coding mode sets in the example 4 is not an empty set, so that some groups (especially two groups adjacent to the modulation coding mode) It includes the same modulation and coding mode, that is, between certain groups, the same modulation and coding mode is provided between groups, thereby reducing the movement of users between groups, thereby reducing management overhead and scheduling complexity.
- the modulation coding mode set supported by group 1 is Scl
- the modulation coding mode set supported by group 2 is Sc2
- a higher order modulation coding mode for example, QPSK
- the modulation and coding mode set configuration of the group in the macro base station can also adopt the configuration mode shown in FIG. 8.
- the modulation coding mode set supported by the group resource allocation in one base station may be one of a modulation coding mode set or a combination of a modulation coding mode set generated by one of the foregoing methods 1 to 4.
- the code mode sets Scl, Sc2, Sc3, and Sc4, and the 7 modulation coding mode sets may be used to support group resource allocation.
- the modulation coding mode set IDs corresponding to the 7 modulation coding mode sets are respectively: 000, 001, 010, 011, 100, 101, 110, that is, the modulation coding mode set ID corresponding to the modulation coding mode set Sc in the example 1 is 000, and so on.
- the seven modulations of the modulation coding mode sets Scl, Sc2, Sc3, and Sc4 in the case of k 4 in Example 3.
- the encoding mode set is used to support group resource allocation. Each group can select a modulation coding mode set as the modulation coding mode supported by the group.
- k in the above method is not limited to 2 or 4.
- the modulation order refers to the number of binary bits that a modulation mode can transmit on one symbol.
- the modulation order of QPSK is (the lowest), and the modulation order of 16QAM is 4.
- 64QAM has the highest modulation order (6).
- the order of the coding rate from low to high in the above example means: first modulating the modulation order (or modulation mode) in descending order, and for the same modulation order (or modulation mode),
- the coding rates are also arranged in order from low to high. The reverse is also possible. In the implementation process, the coding rates may be arranged in descending order.
- the modulation order (or modulation mode) may be first to highest, and the same.
- the modulation order (or modulation mode), the coding rate is also arranged in descending order.
- Different types of base stations use the same set of modulation and coding methods.
- Macro BS macro base station
- Micro BS micro base station
- Pico BS pico base station
- Femto BS Femto base station
- each modulation coding mode set is identified by a modulation coding mode set ID, and each A group may select a modulation coding mode set as the modulation coding mode supported by the group.
- 6 modulation coding mode sets a total of 7 modulation coding mode sets are used as a modulation coding mode set allocated by the macro base station and/or the micro base station and/or the pico base station support group, as shown in FIGS. 4 and 5, and the Femto base station only adopts both
- the four types of base stations can also adopt a combination of modulation coding modes that are different from each other.
- the group establishment is based on the modulation and coding mode and/or the resource size, and the modulation coding mode and/or the resource size of the group can be changed, which can reduce the wireless communication system.
- the complexity and control overhead of the group resource allocation method improves the bandwidth utilization of the wireless communication system transmission.
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09842896.4A EP2418899B1 (en) | 2009-04-09 | 2009-12-24 | Processing method for group resource allocation |
| US13/263,777 US20120044892A1 (en) | 2009-04-09 | 2009-12-24 | Processing Method for Group Resource Allocation |
| JP2012503848A JP5277347B2 (ja) | 2009-04-09 | 2009-12-24 | グループリソース配分の処理方法 |
| RU2011143968/07A RU2481744C1 (ru) | 2009-04-09 | 2009-12-24 | Способ назначения ресурсов группы |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910127885A CN101860967A (zh) | 2009-04-09 | 2009-04-09 | 组资源分配的处理方法 |
| CN200910127885.0 | 2009-04-09 |
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| Publication Number | Publication Date |
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| WO2010115336A1 true WO2010115336A1 (zh) | 2010-10-14 |
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| PCT/CN2009/075995 Ceased WO2010115336A1 (zh) | 2009-04-09 | 2009-12-24 | 组资源分配的处理方法 |
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| US (1) | US20120044892A1 (zh) |
| EP (1) | EP2418899B1 (zh) |
| JP (1) | JP5277347B2 (zh) |
| CN (1) | CN101860967A (zh) |
| RU (1) | RU2481744C1 (zh) |
| WO (1) | WO2010115336A1 (zh) |
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| KR101603556B1 (ko) * | 2015-10-22 | 2016-03-15 | 홍익대학교 산학협력단 | 데이터 전송 시스템, 부호화 장치 및 부호화 방법 |
| EP3395026B1 (en) * | 2015-12-21 | 2021-01-20 | Apple Inc. | Communication device and method for performing radio communication |
| CN105979595A (zh) * | 2016-06-20 | 2016-09-28 | 上海华为技术有限公司 | 无线资源的配置方法及装置 |
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- 2009-12-24 WO PCT/CN2009/075995 patent/WO2010115336A1/zh not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2418899A1 (en) | 2012-02-15 |
| EP2418899B1 (en) | 2018-08-08 |
| JP5277347B2 (ja) | 2013-08-28 |
| CN101860967A (zh) | 2010-10-13 |
| RU2481744C1 (ru) | 2013-05-10 |
| EP2418899A4 (en) | 2016-06-29 |
| US20120044892A1 (en) | 2012-02-23 |
| JP2012523723A (ja) | 2012-10-04 |
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