WO2016161616A1 - 一种分配网络资源的方法、装置和基站 - Google Patents
一种分配网络资源的方法、装置和基站 Download PDFInfo
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- WO2016161616A1 WO2016161616A1 PCT/CN2015/076258 CN2015076258W WO2016161616A1 WO 2016161616 A1 WO2016161616 A1 WO 2016161616A1 CN 2015076258 W CN2015076258 W CN 2015076258W WO 2016161616 A1 WO2016161616 A1 WO 2016161616A1
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- enb
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- sets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/04—Traffic adaptive resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/262—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account adaptive modulation and coding [AMC] scheme
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Definitions
- the present invention relates to the field of wireless communications, and in particular, to a method, an apparatus, and a base station for allocating network resources.
- the network resource is a resource required for data transmission between the terminal and the eNB.
- the network resource may be a transmit power and a resource block (Resource Block, RB).
- the prior art provides a method for allocating network resources, which may be: the base station acquires the number of RBs included in the cell that the terminal accesses, and allocates the corresponding transmit power of the cell to each RB according to the number of RBs; Acquiring the amount of data to be transmitted and the Modulation and Coding Scheme (MCS) of the terminal, and obtaining, according to the data volume to be transmitted and the MCS, the data to be transmitted, the number of MCSs and the number of RBs, and the data to be transmitted The number of RBs is allocated to the terminal by the number of RBs required to transmit the data to be transmitted.
- MCS Modulation and Coding Scheme
- the present invention provides a method, apparatus and base station for allocating network resources.
- the technical solutions are as follows:
- the present invention provides a method for allocating network resources, the method comprising:
- the evolved base station eNB receives the channel quality indicator CQI sent by the terminal;
- the eNB allocates the transmission to the terminal according to the amount of data to be transmitted and the first MCS. a first resource block RB set required for data to be transmitted;
- the eNB adjusts the first RB set according to the service type of the data to be transmitted and the first MCS.
- the determining, by the eNB, the first RB set, according to the service type of the to-be-transmitted data and the first MCS includes:
- the eNB acquires the transmit power on the RB that the cell accessed by the terminal is idle;
- the eNB increases the transmit power on each RB in the first RB set according to the transmit power on the idle RB.
- the eNB increases, according to the transmit power on the idle RB, the first RB set The transmit power on each RB, including:
- the eNB allocates the preset value evenly to each RB in the first RB set;
- the eNB distributes the transmit power on the idle RB evenly to each RB in the first RB set.
- the determining, by the eNB, the first RB set, according to the service type of the data to be transmitted and the first MCS includes:
- the eNB adjusts the number of RBs included in the first RB set according to the first MCS, to obtain a plurality of second RB sets, where the first RB set The sum of the transmit powers on the respective RBs in each of the plurality of second RB sets is equal to the sum of the transmit powers on each of the plurality of second RB sets;
- the eNB calculates a throughput of the terminal when each of the second RB sets is separately calculated
- the eNB adjusts the first RB set according to the second RB set corresponding to the maximum throughput.
- the eNB adjusts, according to the first MCS, the number of RBs included in the first RB set, to obtain A plurality of second RB sets, including:
- the eNB reduces the RBs included in the first RB set to obtain a plurality of second RB sets;
- the eNB adds the RBs included in the first RB set to obtain a plurality of second RB sets.
- the eNB calculates, respectively, a throughput of the terminal in each of the second RB sets, including :
- the eNB calculates the second each according to the first MCS, the transmit power on each RB in each of the second RB sets, and the transmit power on each RB in the first RB set. a second MCS corresponding to the RB set;
- the eNB calculates, according to each of the second RB set and the second MCS corresponding to each second RB set, a throughput of the terminal when each of the second RB sets.
- the eNB adjusts the first RB set according to a second RB set corresponding to a maximum throughput, including :
- the eNB adjusts the first RB set to a second RB set corresponding to the maximum throughput.
- the method further includes:
- the eNB sets the third preset range according to the transmission mode.
- the present invention provides an apparatus for allocating network resources, the apparatus comprising:
- a receiving module configured to receive a channel quality indicator CQI sent by the terminal
- a first acquiring module configured to acquire, according to the CQI, a first MCS of the terminal
- An allocating module configured to allocate, according to the amount of data to be transmitted and the first MCS, a first resource block RB set required for transmitting the to-be-transmitted data;
- an adjusting module configured to adjust the first RB set according to the service type of the data to be transmitted and the first MCS.
- the adjusting module includes:
- a first acquiring unit configured to: when the service type of the to-be-transmitted data is a voice service type, and the first MCS is in the first preset range, obtain an RB on the RB that is idle by the terminal Transmit power
- An adding unit configured to add the first RB set according to the transmit power on the idle RB The transmit power on each RB in the middle.
- the first adding unit includes:
- a first allocation subunit configured to allocate the preset value to each RB in the first RB set evenly if the transmit power on the idle RB is greater than a preset value
- a second allocation subunit configured to allocate, on a RB of the idle RB, an average of the transmit power on the idle RB to each RB in the first RB set, if the transmit power on the idle RB is not greater than a preset value.
- the adjusting module includes:
- a first adjusting unit configured to: when the service type of the data to be transmitted is a data service type, adjust the number of RBs included in the first RB set according to the first MCS, to obtain a plurality of second RB sets, where And a sum of transmit powers on respective RBs in the first RB set is equal to a sum of transmit powers on each of the plurality of second RB sets;
- a calculating unit configured to separately calculate a throughput of the terminal when each of the second RB sets is used
- a second adjusting unit configured to adjust the first RB set according to the second RB set corresponding to the maximum throughput.
- the first adjusting unit includes:
- a reducing subunit configured to reduce an RB included in the first RB set to obtain a plurality of second RB sets if the first MCS is in a second preset range
- Adding a sub-unit if the first MCS is in the third preset range, adding the RBs included in the first RB set to obtain a plurality of second RB sets.
- the calculating unit includes:
- a first calculating subunit configured to calculate, according to the first MCS, the transmit power on each RB in each of the second RB sets, and the transmit power on each RB in the first RB set, respectively a second MCS corresponding to each second RB set;
- a second calculating subunit configured to calculate, according to each of the second RB set and the second MCS corresponding to each of the second RB sets, the terminal in each of the second RB sets Throughput.
- the sixth possible implementation in the second aspect includes:
- Obtaining a subunit configured to obtain a second RB set corresponding to the maximum throughput
- a adjusting subunit configured to adjust the first RB set to a second RB set corresponding to the maximum throughput.
- the device further includes:
- a second acquiring module configured to acquire a transmission mode of the multiple input multiple output MIMO of the terminal
- a setting module configured to set the third preset range according to the transmission mode.
- the present invention provides a base station, where the base station includes: a receiver and a processor;
- the receiver is configured to receive a channel quality indicator CQI sent by the terminal;
- the processor configured to acquire, according to the CQI, a first MCS of the terminal
- the processor is further configured to allocate, according to the amount of data to be transmitted and the first MCS, a first resource block RB set required for transmitting the to-be-transmitted data to the terminal;
- the processor is further configured to adjust the first RB set according to the service type of the data to be transmitted and the first MCS.
- the processor is further configured to: when the service type of the data to be transmitted is a voice service type, and the first MCS is in the first When the range is set, the transmit power on the RB that is idle by the cell that is accessed by the terminal is obtained, and the transmit power on each RB in the first RB set is increased according to the transmit power on the idle RB.
- the processor is further configured to: if the transmit power on the idle RB is greater than a preset value, And then allocating the preset value to each RB in the first RB set; or
- the processor is further configured to: if the transmit power on the idle RB is not greater than a preset value, distribute the transmit power on the idle RB to each RB in the first RB set.
- the processor is further configured to: when the service type of the data to be transmitted is a data service type, adjust the location according to the first MCS Deriving the number of RBs included in the first RB set, obtaining a plurality of second RB sets, a sum of transmit powers on each RB in the first RB set, and each second RB in the plurality of second RB sets The sum of the transmit powers on the RBs in the set is equal; respectively calculating the throughput of the terminal in each of the second RB sets; and adjusting the first RB set according to the second RB set corresponding to the maximum throughput Hehe.
- the processor is further configured to: if the first MCS is in a second preset range, Reducing the RBs included in the first RB set to obtain a plurality of second RB sets; or
- the processor is further configured to: if the first MCS is in a third preset range, increase an RB included in the first RB set to obtain a plurality of second RB sets.
- the processor is further configured to: according to the first MCS, each of the second RB sets Calculating a second MCS corresponding to each of the second RB sets respectively according to a transmit power on each RB and a transmit power on each RB in the first RB set; according to each of the second RB sets and The second MCS corresponding to each second RB set respectively calculates a throughput of the terminal when each of the second RB sets.
- the processor is further configured to obtain a second RB set corresponding to the maximum throughput; An RB set is adjusted to a second RB set corresponding to the maximum throughput.
- the processor is further configured to acquire a transmission mode of the multiple input multiple output MIMO of the terminal;
- the processor is further configured to set the third preset range according to the transmission mode.
- the eNB receives the channel quality indicator CQI sent by the terminal, acquires the first MCS of the terminal according to the CQI, and allocates the first resource block required for transmitting the data to be transmitted to the terminal according to the amount of data to be transmitted and the first MCS.
- the RB set adjusts the first RB set according to the service type of the data to be transmitted and the first MCS. Since the transmission power of each RB needs to be different for different service types, and the transmission power on each RB is adjusted according to the service type, the efficiency of transmitting the data to be transmitted can be improved.
- FIG. 1 is a flowchart of a method for allocating network resources according to an embodiment of the present invention
- FIG. 2 is a flowchart of a method for allocating network resources according to an embodiment of the present invention
- FIG. 3 is a schematic structural diagram of an apparatus for allocating network resources according to an embodiment of the present invention.
- FIG. 4 is a schematic structural diagram of a base station according to an embodiment of the present invention.
- An embodiment of the present invention provides a method for allocating network resources. Referring to FIG. 1, the method includes:
- Step 101 The eNB receives a Channel Quality Indication (CQI) sent by the terminal.
- CQI Channel Quality Indication
- Step 102 The eNB acquires the first MCS of the terminal according to the CQI.
- Step 103 The eNB allocates, according to the amount of data to be transmitted and the first MCS, a first resource block RB set required for transmitting the to-be-transmitted data.
- Step 104 The eNB adjusts the first RB set according to the service type of the data to be transmitted and the first MCS.
- the eNB after the eNB allocates the first RB set required for transmitting the data to be transmitted, the eNB adjusts the first RB set according to the service type of the data to be transmitted and the first MCS, because each service type needs to be The transmit power on the RB is different, so that the transmit power on each RB is adjusted according to the service type, and the efficiency of transmitting the data to be transmitted can be improved.
- the embodiment of the present invention provides a method for allocating network resources.
- the base station may allocate network resources to the terminal according to the method for allocating network resources according to the embodiment of the present invention, where the network resource may be the transmit power. And RB, etc.
- the method includes:
- Step 201 The eNB receives the CQI sent by the terminal.
- the terminal When the terminal acquires data from the base station to which the terminal accesses, the terminal sends a CQI to the eNB, and the eNB receives the CQI sent by the terminal.
- Step 202 The eNB acquires the first MCS of the terminal according to the CQI.
- the eNB acquires the first MCS of the terminal from the correspondence between the CQI and the MCS according to the CQI.
- the correspondence between the CQI and the MCS is stored in advance in the base station.
- the base station sends the reference signal power and the value of pa to the terminal through radio resource control (RRC) signaling, where pa is the power offset of the data signal relative to the reference signal, and the terminal according to the reference signal power And the value of pa is used to demodulate the transmitted data.
- RRC radio resource control
- the base station allocates network resources according to the embodiment of the present invention to the terminal that does not need to perform modulation and demodulation on the data to be transmitted according to the value of pa.
- the method allocates network resources.
- the terminal that does not need to perform modulation and demodulation on the transmission data according to the value of pa includes: a multiple-input multiple-output (MIMO) transmission mode is a cell-specific reference signal (Cell-specofic reference signals, CRS) a channel for performing channel estimation and a modulation mode of Quadrature Phase Shift Keying (QPSK); or, the MIMO transmission mode is based on a Demodulation Reference Signal (DRS) for channel estimation.
- the transmission mode and the modulation mode are QPSK and Quadrature Amplitude Modulation (QAM) terminals.
- Step 203 The eNB allocates, according to the amount of data to be transmitted and the first MCS, a first resource block RB set required for transmitting the to-be-transmitted data.
- the eNB acquires the number of RBs included in the cell that the terminal accesses, and allocates the corresponding transmit power of the cell to each RB according to the number of RBs, and stores the transmit power on each RB.
- the eNB acquires the number of RBs required to transmit the to-be-transmitted data, and allocates the number of RBs to be transmitted to the terminal, according to the amount of data to be transmitted and the first MCS, from the correspondence between the amount of data, the number of MCSs, and the number of RBs.
- the number of RBs required is RB, and the allocated RBs will be combined into the first RB set.
- the correspondence between the amount of data, the number of MCSs, and the number of RBs is stored in advance in the eNB.
- the eNB allocates 4 RBs to the terminal according to the amount of data to be transmitted and the first MCS, and the transmit power on each RB is 5 dbm; the first RB set includes 4 RBs, and the transmit power on each RB is 5 dbm.
- Step 208 The eNB acquires the service type of the data to be transmitted; when the service type is the data service type, step 205 is performed; when the service type is the voice service type, step 208 is performed;
- the step of the eNB acquiring the service type of the data to be transmitted may be:
- the eNB determines that the service type of the data to be transmitted is the voice service type; if the CQI is the CQI corresponding to the data service type, the eNB determines that the service type of the data to be transmitted is the data service. Types of.
- the CQI corresponding to the voice service type is 1 or 5; the CQI corresponding to the data service type is a value other than 1 and 5; if the CQI is 1 or 5, the eNB determines the data to be transmitted.
- the service type is a voice service type. If the CQI is not 1 or 5, the eNB determines that the service type of the data to be transmitted is a data service type.
- Step 205 When the service type is a data service type, the eNB adjusts the number of RBs included in the first RB set according to the first MCS, to obtain multiple second RB sets.
- the sum of the transmit powers on the RBs in the first RB set is equal to the sum of the transmit powers on the RBs in each of the plurality of second RB sets.
- the eNB adjusts the number of RBs included in the first RB set according to the first MCS, and the step of obtaining multiple second RB sets may be:
- the eNB reduces the RBs included in the first RB set to obtain a plurality of second RB sets; or if the first MCS is in the third preset range, the eNB increases the first RB.
- the RBs included in the set get a plurality of second RB sets.
- the eNB reduces the RBs included in the first RB set by using a Resource Block Group (RBG) granularity, until the number of RBs included in the first RB set is less than or equal to Up to the number of RBs included in one RBG, the RBs included in the first RB set form a second RB set, thereby obtaining a plurality of second RB sets.
- the transmit power on the reduced RBs in the first RB set is evenly distributed to each RB in the second RB set.
- the second preset range may be set and changed as needed, and the second preset range is not specifically limited in the embodiment of the present invention.
- the second preset range is [0, 6].
- the first MCS is in the second preset range
- one RBG includes 2 RBs
- the first RB set includes 6 RBs
- the transmit power on each RB in the first RB set is 4 dbm
- the eNB firstly
- the second RB set is reduced by 2 RBs
- the obtained second RB set includes 4 RBs
- the transmit power (8 dbm) on the reduced 2 RBs is evenly distributed to the 4 RBs included in the second RB set.
- the transmit power on each RB in the second RB set is 6 dbm; the eNB reduces 4 RBs from the first RB set for the second time, then the second RB set includes 2 RBs, and the transmission on the reduced 4 RBs
- the power (16 dbm) is evenly distributed to the 2 RBs included in the second RB set, at which time the transmit power on each RB in the second RB set is 12 dbm.
- the eNB increases the RBs included in the first RB set by using the RBG as a granularity to obtain a plurality of second RB sets.
- the eNB increases the RBs included in the first RB set by using the RBG as the RBG, until the number of RBs that the terminal accesses the cell is less than or equal to the number of RBs included in one RBG. And the remaining RBs in the first RB set form a second RB set, The transmit power on the RBs in the first RB set is equally distributed to each RB in the second RB set.
- the third preset range may be set according to a multiple-input multiple-output (MIMO) transmission mode of the terminal; the method further includes:
- the eNB acquires a transmission mode of the MIMO of the terminal, and sets a third preset range according to the transmission mode.
- the third preset range is (6, 9); if the transmission mode is based on a demodulation reference signal ( Demodulation Reference Signal, DRS) For the channel estimation transmission mode, the third preset range is (6, 28).
- CRS Cell-Specific Reference Signals
- the step of acquiring the transmission mode of the MIMO of the terminal may be:
- the base station receives the terminal identifier of the terminal and the transmission mode of the MIMO transmitted by the terminal of the access base station, and stores the terminal identifier of each terminal and the transmission mode of the MIMO in the correspondence between the terminal identifier and the transmission mode of the MIMO.
- the terminal identifier may be a GUID (Globally Unique Identifier) of the terminal or a phone number corresponding to the terminal, and the terminal identifier is not specifically limited in the embodiment of the present invention.
- GUID Globally Unique Identifier
- Step 206 The eNB calculates the throughput of the terminal when each second RB set is separately calculated.
- this step can be implemented by the following steps (1) and (2), including:
- the eNB calculates a second corresponding to each second RB set according to the first MCS, the transmit power on each RB in each second RB set, and the transmit power on each RB in the first RB set.
- the step (1) can be implemented by the following steps (1-1) to (1-3), including:
- the eNB acquires a first signal to interference plus noise ratio (SINR) of the terminal according to the first MCS;
- SINR signal to interference plus noise ratio
- the eNB acquires the first SINR of the terminal from the correspondence between the MCS and the SINR according to the first MCS.
- the correspondence between the MCS and the SINR is stored in advance in the eNB.
- the eNB calculates, according to the first SINR, the transmit power on each RB in each second RB set, and the transmit power on each RB in the first RB set, respectively, corresponding to each second RB set.
- Second SINR Second SINR
- This step can be calculated by the following formula (1) to obtain a second corresponding to each second RB set.
- the sinrAdjust is the second SINR
- the SinrBase is the first SINR
- the PowerAdjust is the transmit power on each RB in the second RB set
- the powerPerRb is the transmit power on each RB in the first RB set.
- PowerAdjust (powerPerRb*RbBase)/RbAdjust
- RbBase is the number of RBs included in the first RB set
- RbAdjust is the number of RBs included in the second RB set.
- the eNB acquires a second MCS corresponding to each second RB set according to a second SINR corresponding to each second RB set;
- the eNB acquires the second MCS corresponding to each second RB set from the correspondence between the SINR and the MCS according to the second SINR corresponding to each second RB set.
- the eNB calculates the throughput of the terminal at each second RB set according to each second RB set and the second MCS corresponding to each second RB set.
- the eNB acquires the number of RBs included in each second RB set, and obtains the throughput of the terminal in each second RB set from the correspondence between the MCS, the number of RBs, and the throughput according to the number of RBs included in each second RB set. .
- the correspondence between the MCS, the number of RBs, and the throughput needs to be stored in the eNB in advance.
- the eNB acquires the throughput of the terminal when the first RB set is used according to the number of RBs included in the first MCS and the first RB set.
- Step 207 The eNB adjusts the first RB set according to the second RB set corresponding to the maximum throughput, and ends.
- the maximum throughput is selected from the throughput of the terminal in each second RB set, and the second RB set corresponding to the maximum throughput is obtained, and the first RB set is adjusted to the second RB set corresponding to the maximum throughput.
- the step of adjusting the first RB set to the second RB set corresponding to the maximum throughput may be:
- Adjusting the number of RBs included in the first RB set to the number of RBs included in the second RB set corresponding to the maximum throughput and adjusting the transmit power on each RB in the first RB set to the second RB set corresponding to the maximum throughput The transmit power on each RB.
- step 207 determining whether the maximum throughput is greater than the terminal in the first RB The throughput at the time of aggregation, if yes, step 207 is performed; if not, the first RB set is not adjusted.
- Step 208 When the service type is a voice service type and the first MCS is in the first preset range, the eNB acquires the transmit power on the RB that is idle by the cell accessed by the terminal.
- the eNB determines whether the first MCS is in the first preset range, and if the first MCS is in the first preset range, acquiring the number of RBs that the terminal accesses are idle, according to The number of idle RBs and the transmit power on each RB acquires the transmit power on the idle RB.
- the transmit power of the cell idle is 10 dbm.
- the first preset range may be set and changed according to requirements.
- the first preset range is not specifically limited, for example, the first preset value is [0, 1] or the like.
- the eNB does not adjust the transmit power on each RB in the first RB set, and ends.
- the base station may further adjust the transmit power on each RB in the first RB set according to the method provided in this step by the terminal that the reference signal receiving power (RSRP) is greater than the preset threshold, and is not greater than the RSRP for the RSRP.
- the terminal of the preset threshold does not adjust the transmit power on each RB in the first RB set.
- the step of obtaining the RSRP of the terminal is to determine whether the RSRP of the terminal is greater than a preset threshold. If yes, the eNB acquires the transmit power on the RB that is idle by the cell accessed by the terminal; if not, the process ends.
- the preset threshold may be set and changed as needed.
- the preset threshold is not specifically limited.
- Step 209 The eNB increases the transmit power on each RB in the first RB set according to the transmit power on the idle RB.
- the eNB Determining whether the transmit power on the idle RB is greater than a preset value. If the transmit power on the idle RB is greater than a preset value, the eNB allocates the preset value evenly to each RB in the first RB set; if the idle RB is idle The uplink transmit power is not greater than a preset value, and the eNB distributes the transmit power on the idle RBs equally to each RB in the first RB set.
- the preset value may be set and changed as needed.
- the preset value is not specifically limited, for example, the preset value is 4 dbm or the like.
- the preset value is 4dbm
- the transmit power on the idle RB is 10dbm, the first RB set.
- the eNB includes 4 RBs, and the transmit power on each RB is 5 dbm. Since the transmit power on the idle RB is greater than a preset value, the eNB distributes the preset value evenly to each RB in the first RB set.
- the 4 dbm is evenly distributed to the 4 RBs included in the first RB set, and the transmit power on each RB included in the adjusted first RB set is 5 dbm.
- the base station After the base station adjusts the first RB set, the base station sends the to-be-transmitted data to the terminal by using the adjusted first RB set.
- the eNB after the eNB allocates the first RB set required for transmitting the data to be transmitted, the eNB adjusts the first RB set according to the service type of the data to be transmitted and the first MCS, because each service type needs to be The transmit power on the RB is different, so that the transmit power on each RB is adjusted according to the service type, and the efficiency of transmitting the data to be transmitted can be improved.
- An embodiment of the present invention provides an apparatus for allocating network resources, where the apparatus is configured to perform the foregoing method for allocating network resources.
- the device includes:
- the receiving module 301 is configured to receive a channel quality indicator CQI sent by the terminal.
- the first obtaining module 302 is configured to acquire the first MCS of the terminal according to the CQI;
- the allocating module 303 is configured to allocate, according to the amount of data to be transmitted and the first MCS, a first resource block RB set required for transmitting data to be transmitted;
- the adjusting module 304 is configured to adjust the first RB set according to the service type of the data to be transmitted and the first MCS.
- the adjustment module 304 includes:
- a first acquiring unit configured to: when the service type of the data to be transmitted is a voice service type, and the first MCS is in the first preset range, acquire the transmit power on the RB that is idle by the cell accessed by the terminal;
- an adding unit configured to increase transmit power on each RB in the first RB set according to the transmit power on the idle RB.
- the first adding unit includes:
- a first allocation subunit configured to allocate a preset value to each RB in the first RB set even if the transmit power on the idle RB is greater than a preset value
- a second allocation subunit configured to allocate the transmit power on the idle RB to each RB in the first RB set evenly if the transmit power on the idle RB is not greater than a preset value.
- the adjustment module 304 includes:
- a first adjusting unit configured to: when the service type of the data to be transmitted is a data service type, according to the first The MCS adjusts the number of RBs included in the first RB set to obtain a plurality of second RB sets, a sum of transmit powers on each RB in the first RB set, and each of the plurality of second RB sets The sum of the transmit powers on each RB is equal;
- a calculating unit configured to separately calculate a throughput of the terminal at each second RB set
- a second adjusting unit configured to adjust the first RB set according to the second RB set corresponding to the maximum throughput.
- the first adjusting unit includes:
- the computing unit includes:
- a first calculating subunit configured to calculate, according to the first MCS, the transmit power on each RB in each second RB set, and the transmit power on each RB in the first RB set, respectively, corresponding to each second RB set Second MCS;
- a second calculating subunit configured to calculate, according to each second RB set and the second MCS corresponding to each second RB set, a throughput of the terminal at each second RB set.
- the second adjusting unit includes:
- Obtaining a subunit configured to obtain a second RB set corresponding to the maximum throughput
- a adjusting subunit configured to adjust the first RB set to a second RB set corresponding to the maximum throughput.
- the device further includes:
- a second acquiring module configured to acquire a transmission mode of the multiple input multiple output MIMO of the terminal
- a setting module is configured to set a third preset range according to the transmission mode.
- the eNB after the eNB allocates the first RB set required for transmitting the data to be transmitted, the eNB adjusts the first RB set according to the service type of the data to be transmitted and the first MCS, because each service type needs to be The transmit power on the RB is different, so that the transmit power on each RB is adjusted according to the service type, and the efficiency of transmitting the data to be transmitted can be improved.
- An embodiment of the present invention provides a base station, where the base station is configured to perform the foregoing method for allocating network resources.
- the base station includes: a receiver 401 and a processor 402;
- a receiver 401 configured to receive a channel quality indicator CQI sent by the terminal
- the processor 402 is configured to acquire, according to the CQI, a first MCS of the terminal;
- the processor 402 is further configured to allocate, according to the amount of data to be transmitted and the first MCS, a first resource block RB set required for transmitting the data to be transmitted;
- the processor 402 is further configured to adjust the first RB set according to the service type of the data to be transmitted and the first MCS.
- the processor 402 is further configured to: when the service type of the data to be transmitted is a voice service type, and the first MCS is in the first preset range, acquire the transmit power on the RB that is idle by the cell accessed by the terminal; The transmit power on each RB in the first RB set is increased according to the transmit power on the idle RB.
- the processor 402 is further configured to: if the transmit power on the idle RB is greater than a preset value, distribute the preset value evenly to each RB in the first RB set; or
- the processor 402 is further configured to allocate the transmit power on the idle RB to each RB in the first RB set evenly if the transmit power on the idle RB is not greater than a preset value.
- the processor 402 is further configured to: when the service type of the data to be transmitted is a data service type, adjust the number of RBs included in the first RB set according to the first MCS, to obtain a plurality of second RB sets, where the first RB set is The sum of the transmit powers on each RB is equal to the sum of the transmit powers on each of the plurality of second RB sets; the throughput of the terminal at each second RB set is calculated separately And adjusting the first RB set according to the second RB set corresponding to the maximum throughput.
- the processor 402 is further configured to: if the first MCS is in the second preset range, reduce the RBs included in the first RB set to obtain a plurality of second RB sets; or
- the processor 402 is further configured to: if the first MCS is in the third preset range, add the RBs included in the first RB set to obtain a plurality of second RB sets.
- the processor 402 is further configured to calculate each second RB according to the first MCS, the transmit power on each RB in each second RB set, and the transmit power on each RB in the first RB set.
- the corresponding second MCS is set; and the throughput of the terminal at each second RB set is calculated according to each second RB set and the second MCS corresponding to each second RB set.
- the processor 402 is further configured to obtain a second RB set corresponding to the maximum throughput, and adjust the first RB set to a second RB set corresponding to the maximum throughput.
- the processor 402 is further configured to acquire a transmission mode of the multiple input multiple output MIMO of the terminal;
- the processor 402 is further configured to set a third preset range according to the transmission mode.
- the eNB after the eNB allocates the first RB set required for transmitting the data to be transmitted, the eNB adjusts the first RB set according to the service type of the data to be transmitted and the first MCS, because each service type needs to be The transmit power on the RB is different, so that the transmit power on each RB is adjusted according to the service type, and the efficiency of transmitting the data to be transmitted can be improved.
- the device for allocating network resources in the foregoing embodiment is only illustrated by the division of the foregoing functional modules. In actual applications, the foregoing functions may be allocated by different functional modules according to requirements. Upon completion, the internal structure of the device is divided into different functional modules to perform all or part of the functions described above.
- the apparatus for allocating network resources and the method for allocating network resources provided by the foregoing embodiments are in the same concept, and the specific implementation process is described in detail in the method embodiment, and details are not described herein again.
- a person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium.
- the storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like.
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Abstract
本发明公开了一种分配网络资源的方法、装置和基站,属于无线通信领域。方法包括:演进型基站eNB接收终端发送的信道质量指示CQI;所述eNB根据所述CQI,获取所述终端的第一MCS;所述eNB根据待传输数据量和所述第一MCS,为所述终端分配传输所述待传输数据所需的第一资源块RB集合;所述eNB根据所述待传输数据的业务类型和所述第一MCS,调整所述第一RB集合。
Description
本发明涉及无线通信领域,特别涉及一种分配网络资源的方法、装置和基站。
在长期演进(Long Term Evolution,LTE)系统中,当终端从其接入的演进型基站(Evolved Node B,eNB)中获取数据时,eNB需要为终端分配网络资源,基站通过网络资源发送数据给终端,网络资源为终端与eNB之间传输数据需要的资源,例如,网络资源可以为发射功率和资源块(Resource Block,RB)等。
现有技术中提供了一种分配网络资源的方法,可以为:基站获取终端所接入的小区中包括的RB数目,根据RB的数目,将该小区对应的发射功率平均分配给每个RB;获取终端的待传输数据量和终端的调制编码方式(Modulation and Coding Scheme,MCS),根据待传输数据量和MCS,从数据量、MCS和RB数目的对应关系中获取传输该待传输数据所需的RB数目,为终端分配传输该待传输数据所需RB数目个RB。
现有技术至少存在以下问题:
由于每个终端的待传输数据的业务类型不同,不同的业务类型需要每RB上的发射功率是不同的,而现有技术中将小区对应的发射功率平均分配给每个RB,则可能导致传输待传输数据的效率低。
发明内容
为了解决现有技术的问题,本发明提供了一种分配网络资源的方法、装置和基站。技术方案如下:
第一方面,本发明提供了一种分配网络资源的方法,所述方法包括:
演进型基站eNB接收终端发送的信道质量指示CQI;
所述eNB根据所述CQI,获取所述终端的第一MCS;
所述eNB根据待传输数据量和所述第一MCS,为所述终端分配传输所述
待传输数据所需的第一资源块RB集合;
所述eNB根据所述待传输数据的业务类型和所述第一MCS,调整所述第一RB集合。
结合第一方面,在第一方面的第一种可能的实现方式中,所述eNB根据所述待传输数据的业务类型和所述第一MCS,调整所述第一RB集合,包括:
当所述待传输数据的业务类型为语音业务类型且所述第一MCS在第一预设范围内时,则所述eNB获取所述终端所接入的小区空闲的RB上的发射功率;
所述eNB根据所述空闲的RB上的发射功率,增加所述第一RB集合中的各RB上的发射功率。
结合第一方面的第一种可能的实现方式,在第一方面的第二种可能的实现方式中,所述eNB根据所述空闲的RB上的发射功率,增加所述第一RB集合中的各RB上的发射功率,包括:
如果所述空闲的RB上的发射功率大于预设数值,则所述eNB将所述预设数值平均分配到所述第一RB集合中的各RB上;或者,
如果所述空闲的RB上的发射功率不大于预设数值,则所述eNB将所述空闲的RB上的发射功率平均分配到所述第一RB集合中的各RB上。
结合第一方面,在第一方面的第三种可能的实现方式中,所述eNB根据所述待传输数据的业务类型和所述第一MCS,调整所述第一RB集合,包括:
当所述待传输数据的业务类型为数据业务类型,所述eNB根据所述第一MCS,调整所述第一RB集合包括的RB数目,得到多个第二RB集合,所述第一RB集合中的各RB上的发射功率之和与所述多个第二RB集合中的每个第二RB集合中的各RB上的发射功率之和相等;
所述eNB分别计算所述终端在所述每个第二RB集合时的吞吐量;
所述eNB根据最大吞吐量对应的第二RB集合,调整所述第一RB集合。
结合第一方面的第三种可能的实现方式,在第一方面的第四种可能的实现方式中,所述eNB根据所述第一MCS,调整所述第一RB集合包括的RB数目,得到多个第二RB集合,包括:
如果所述第一MCS在第二预设范围内,则所述eNB减少所述第一RB集合包括的RB得到多个第二RB集合;或者
如果所述第一MCS在第三预设范围内,则所述eNB增加所述第一RB集合包括的RB得到多个第二RB集合。
结合第一方面的第三种可能的实现方式,在第一方面的第五种可能的实现方式中,所述eNB分别计算所述终端在所述每个第二RB集合时的吞吐量,包括:
所述eNB根据所述第一MCS、所述每个第二RB集合中的各RB上的发射功率和所述第一RB集合中的各RB上的发射功率,分别计算所述每个第二RB集合对应的第二MCS;
所述eNB根据所述每个第二RB集合和所述每个第二RB集合对应的所述第二MCS,分别计算所述终端在所述每个第二RB集合时的吞吐量。
结合第一方面的第三种可能的实现方式,在第一方面的第六种可能的实现方式中,所述eNB根据最大吞吐量对应的第二RB集合,调整所述第一RB集合,包括:
所述eNB获取最大吞吐量对应的第二RB集合;
所述eNB将所述第一RB集合调整为所述最大吞吐量对应的第二RB集合。
结合第一方面的第四种可能的实现方式,在第一方面的第七种可能的实现方式中,所述方法还包括:
所述eNB获取所述终端的多输入多输出MIMO的传输模式;
所述eNB根据所述传输模式设置所述第三预设范围。
第二方面,本发明提供了一种分配网络资源的装置,所述装置包括:
接收模块,用于接收终端发送的信道质量指示CQI;
第一获取模块,用于根据所述CQI,获取所述终端的第一MCS;
分配模块,用于根据待传输数据量和所述第一MCS,为所述终端分配传输所述待传输数据所需的第一资源块RB集合;
调整模块,用于根据所述待传输数据的业务类型和所述第一MCS,调整所述第一RB集合。
结合第二方面,在第二方面的第一种可能的实现方式中,所述调整模块,包括:
第一获取单元,用于当所述待传输数据的业务类型为语音业务类型且所述第一MCS在第一预设范围内时,则获取所述终端所接入的小区空闲的RB上的发射功率;
增加单元,用于根据所述空闲的RB上的发射功率,增加所述第一RB集
合中的各RB上的发射功率。
结合第二方面的第一种可能的实现方式,在第二方面的第二种可能的实现方式中,所述第一增加单元,包括:
第一分配子单元,用于如果所述空闲的RB上的发射功率大于预设数值,则将所述预设数值平均分配到所述第一RB集合中的各RB上;或者,
第二分配子单元,用于如果所述空闲的RB上的发射功率不大于预设数值,则将所述空闲的RB上的发射功率平均分配到所述第一RB集合中的各RB上。
结合第二方面,在第二方面的第三种可能的实现方式中,所述调整模块,包括:
第一调整单元,用于当所述待传输数据的业务类型为数据业务类型,根据所述第一MCS,调整所述第一RB集合包括的RB数目,得到多个第二RB集合,所述第一RB集合中的各RB上的发射功率之和与所述多个第二RB集合中的每个第二RB集合中的各RB上的发射功率之和相等;
计算单元,用于分别计算所述终端在所述每个第二RB集合时的吞吐量;
第二调整单元,用于根据最大吞吐量对应的第二RB集合,调整所述第一RB集合。
结合第二方面的第三种可能的实现方式,在第二方面的第四种可能的实现方式中,所述第一调整单元,包括:
减少子单元,用于如果所述第一MCS在第二预设范围内,则减少所述第一RB集合包括的RB得到多个第二RB集合;或者
增加子单元,用于如果所述第一MCS在第三预设范围内,则增加所述第一RB集合包括的RB得到多个第二RB集合。
结合第二方面的第三种可能的实现方式,在第二方面的第五种可能的实现方式中,所述计算单元,包括:
第一计算子单元,用于根据所述第一MCS、所述每个第二RB集合中的各RB上的发射功率和所述第一RB集合中的各RB上的发射功率,分别计算所述每个第二RB集合对应的第二MCS;
第二计算子单元,用于根据所述每个第二RB集合和所述每个第二RB集合对应的所述第二MCS,分别计算所述终端在所述每个第二RB集合时的吞吐量。
结合第二方面的第三种可能的实现方式,在第二方面的第六种可能的实现
方式中,所述第二调整单元,包括:
获取子单元,用于获取最大吞吐量对应的第二RB集合;
调整子单元,用于将所述第一RB集合调整为所述最大吞吐量对应的第二RB集合。
结合第二方面的第四种可能的实现方式,在第二方面的第七种可能的实现方式中,所述装置还包括:
第二获取模块,用于获取所述终端的多输入多输出MIMO的传输模式;
设置模块,用于根据所述传输模式设置所述第三预设范围。
第三方面,本发明提供了一种基站,所述基站包括:接收器和处理器;
所述接收器,用于接收终端发送的信道质量指示CQI;
所述处理器,用于根据所述CQI,获取所述终端的第一MCS;
所述处理器,还用于根据待传输数据量和所述第一MCS,为所述终端分配传输所述待传输数据所需的第一资源块RB集合;
所述处理器,还用于根据所述待传输数据的业务类型和所述第一MCS,调整所述第一RB集合。
结合第三方面,在第三方面的第一种可能的实现方式中,所述处理器,还用于当所述待传输数据的业务类型为语音业务类型且所述第一MCS在第一预设范围内时,则获取所述终端所接入的小区空闲的RB上的发射功率;根据所述空闲的RB上的发射功率,增加所述第一RB集合中的各RB上的发射功率。
结合第三方面的第一种可能的实现方式,在第三方面的第二种可能的实现方式中,所述处理器,还用于如果所述空闲的RB上的发射功率大于预设数值,则将所述预设数值平均分配到所述第一RB集合中的各RB上;或者,
所述处理器,还用于如果所述空闲的RB上的发射功率不大于预设数值,则将所述空闲的RB上的发射功率平均分配到所述第一RB集合中的各RB上。
结合第三方面,在第三方面的第三种可能的实现方式中,所述处理器,还用于当所述待传输数据的业务类型为数据业务类型,根据所述第一MCS,调整所述第一RB集合包括的RB数目,得到多个第二RB集合,所述第一RB集合中的各RB上的发射功率之和与所述多个第二RB集合中的每个第二RB集合中的各RB上的发射功率之和相等;分别计算所述终端在所述每个第二RB集合时的吞吐量;根据最大吞吐量对应的第二RB集合,调整所述第一RB集
合。
结合第三方面的第三种可能的实现方式,在第三方面的第四种可能的实现方式中,所述处理器,还用于如果所述第一MCS在第二预设范围内,则减少所述第一RB集合包括的RB得到多个第二RB集合;或者
所述处理器,还用于如果所述第一MCS在第三预设范围内,则增加所述第一RB集合包括的RB得到多个第二RB集合。
结合第三方面的第三种可能的实现方式,在第三方面的第五种可能的实现方式中,所述处理器,还用于根据所述第一MCS、所述每个第二RB集合中的各RB上的发射功率和所述第一RB集合中的各RB上的发射功率,分别计算所述每个第二RB集合对应的第二MCS;根据所述每个第二RB集合和所述每个第二RB集合对应的所述第二MCS,分别计算所述终端在所述每个第二RB集合时的吞吐量。
结合第三方面的第三种可能的实现方式,在第三方面的第六种可能的实现方式中,所述处理器,还用于获取最大吞吐量对应的第二RB集合;将所述第一RB集合调整为所述最大吞吐量对应的第二RB集合。
结合第三方面的第四种可能的实现方式,在第三方面的第七种可能的实现方式中,所述处理器,还用于获取所述终端的多输入多输出MIMO的传输模式;
所述处理器,还用于根据所述传输模式设置所述第三预设范围。
在本发明中,eNB接收终端发送的信道质量指示CQI,根据该CQI,获取终端的第一MCS,根据待传输数据量和第一MCS,为终端分配传输待传输数据所需的第一资源块RB集合,根据待传输数据的业务类型和第一MCS,调整第一RB集合。由于不同的业务类型需要每RB上的发射功率是不同的,从而根据业务类型调整各RB上的发射功率,能够提高传输待传输数据的效率。
图1是本发明实施例提供的一种分配网络资源的方法流程图;
图2是本发明实施例提供的一种分配网络资源的方法流程图;
图3是本发明实施例提供的一种分配网络资源的装置结构示意图;
图4是本发明实施例提供的一种基站的结构示意图。
为使本发明的目的、技术方案和优点更加清楚,下面将结合附图对本发明实施方式作进一步地详细描述。
本发明实施例提供了一种分配网络资源的方法,参见图1,其中,该方法包括:
步骤101:eNB接收终端发送的信道质量指示(Channel Quality Indication,CQI);
步骤102:eNB根据该CQI,获取该终端的第一MCS;
步骤103:eNB根据待传输数据量和第一MCS,为终端分配传输该待传输数据所需的第一资源块RB集合;
步骤104:eNB根据该待传输数据的业务类型和第一MCS,调整第一RB集合。
在本发明实施例中,eNB为终端分配传输该待传输数据所需的第一RB集合之后,根据待传输数据的业务类型和第一MCS,调整第一RB集合,由于不同的业务类型需要每RB上的发射功率是不同的,从而根据业务类型调整各RB上的发射功率,能够提高传输待传输数据的效率。
本发明实施例提供了一种分配网络资源的方法,当基站向终端发送待传输数据时,基站可以按照本发明实施例提供的分配网络资源的方法为终端分配网络资源,网络资源可以为发射功率和RB等。
参见图2,其中,该方法包括:
步骤201:eNB接收终端发送的CQI;
当终端从其接入的基站中获取数据时,终端发送CQI给eNB,eNB接收终端发送的CQI。
步骤202:eNB根据该CQI,获取终端的第一MCS;
eNB根据该CQI,从CQI和MCS的对应关系中获取终端的第一MCS。
其中,需要说明的是,基站中事先存储CQI和MCS的对应关系。
在LTE下行中,基站会通过无线资源控制(Radio Resource Control,RRC)信令下发参考信号功率和p-a的值给终端,p-a为数据信号相对于参考信号的功率偏置,终端根据参考信号功率和p-a的值对待传输数据进行解调处理。在基
站侧进行各RB上的发射功率调整时,相当于调整了p-a的值,因此,基站为不需要根据p-a的值对待传输数据进行调制解调的终端按照本发明实施例提供的分配网络资源的方法分配网络资源。
其中,不需要根据p-a的值对待传输数据进行调制解调的终端包括:多输入多输出(Multiple-Input Multiple-Output,MIMO)的传输模式为基于小区专用参考信号(Cell-specofic reference signals,CRS)进行信道估计的传输模式且调制方式为正交相移键控(Quadrature Phase Shift Keying,QPSK)的终端;或者,MIMO的传输模式为基于解调参考信号(Demodulation Reference Signal,DRS)进行信道估计的传输模式且调制方式为QPSK和正交幅度调制(Quadrature Amplitude Modulation,QAM)的终端。
步骤203:eNB根据待传输数据量和第一MCS,为终端分配传输该待传输数据所需的第一资源块RB集合;
在本步骤之前,eNB获取终端所接入的小区中包括的RB数目,根据RB的数目,将该小区对应的发射功率平均分配给每个RB,存储每RB上的发射功率。
在本步骤中,eNB根据待传输数据量和第一MCS,从数据量、MCS和RB数目的对应关系中,获取传输该待传输数据所需的RB数目,为终端分配传输该待传输数据所需的RB数目个RB,将将分配的RB组成第一RB集合。
其中,需要说明的是,eNB中事先存储数据量、MCS和RB数目的对应关系。
例如,eNB根据待传输数据量和第一MCS,为终端分配4个RB,每个RB上的发射功率为5dbm;则第一RB集合包括4个RB,各RB上的发射功率为5dbm。
步骤204:eNB获取该待传输数据的业务类型;当该业务类型为数据业务类型,则执行步骤205;当该业务类型为语音业务类型,则执行步骤208;
其中,eNB获取该待传输数据的业务类型的步骤可以为:
如果该CQI为语音业务类型对应的CQI,则eNB确定该待传输数据的业务类型为语音业务类型;如果该CQI为数据业务类型对应的CQI,则eNB确定该待传输数据的业务类型为数据业务类型。
例如,语音业务类型对应的CQI为1或5;数据业务类型对应的CQI为除1和5之外的其他值;则如果该CQI为1或者5,则eNB确定该待传输数据的
业务类型为语音业务类型;如果该CQI不是1或者5,则eNB确定该待传输数据的业务类型为数据业务类型。
步骤205:当该业务类型为数据业务类型,则eNB根据第一MCS,调整第一RB集合包括的RB数目,得到多个第二RB集合;
其中,第一RB集合中的各RB上的发射功率之和与多个第二RB集合中的每个第二RB集合中的各RB上的发射功率之和相等。
其中,eNB根据第一MCS,调整第一RB集合包括的RB数目,得到多个第二RB集合的步骤可以为:
如果第一MCS在第二预设范围内,则eNB减少第一RB集合包括的RB得到多个第二RB集合;或者,如果第一MCS在第三预设范围内,则eNB增加第一RB集合包括的RB得到多个第二RB集合。
其中,如果第一MCS在第二预设范围内,则eNB以资源块组(Response Block Groups,RBG)为粒度减少第一RB集合包括的RB,直到第一RB集合包括的RB数目小于或等于一个RBG包括的RB数目为止,将第一RB集合包括的RB组成第二RB集合,从而得到多个第二RB集合。将第一RB集合中减少的RB上的发射功率,平均分配到第二RB集合中的各RB上。
第二预设范围可以根据需要进行设置并更改,在本发明实施例中对第二预设范围不作具体限定。例如,第二预设范围为[0,6]。
例如,第一MCS在第二预设范围内,一个RBG包括2个RB,第一RB集合包括6个RB,第一RB集合中的各RB上的发射功率为4dbm,则eNB第一次从第一RB集合中减少2个RB,得到的第二RB集合包括4个RB,将减少的2个RB上的发射功率(8dbm)平均分配到第二RB集合包括的4个RB上,此时第二RB集合中的各RB上的发射功率为6dbm;eNB第二次从第一RB集合中减少4个RB,则第二RB集合中包括2个RB,将减少的4个RB上的发射功率(16dbm)平均分配到第二RB集合包括的2个RB上,此时第二RB集合中的各RB上的发射功率为12dbm。
如果第一MCS在第三预设范围内,则eNB以RBG为粒度增加第一RB集合包括的RB,得到多个第二RB集合。
其中,当第一MCS在第三预设范围内时,则eNB以RBG为粒度增加第一RB集合包括的RB,直到终端所接入小区空闲的RB数目小于或等于一个RBG包括的RB数目为止,将第一RB集合中剩余的RB组成第二RB集合,
将第一RB集合中的RB上的发射功率平均分配给第二RB集合中的各RB。
其中,第三预设范围可以根据终端的多输入多输出(Multiple-Input Multiple-Output,MIMO)的传输模式进行设置;则方法还包括:
eNB获取终端的MIMO的传输模式,根据该传输模式设置第三预设范围。
如果该传输模式为基于小区专用参考信号(Cell-specofic reference signals,CRS)进行信道估计的传输模式,则第三预设范围为(6,9];如果该传输模式为基于解调参考信号(Demodulation Reference Signal,DRS)进行信道估计的传输模式,则第三预设范围为(6,28]。
其中,获取终端的MIMO的传输模式的步骤可以为:
获取终端的终端标识,根据终端的终端标识,从终端标识和MIMO的传输模式的对应关系中获取终端的MIMO的传输模式。
在本步骤之前,基站接收接入基站的各个终端发送的终端的终端标识和MIMO的传输模式,将各个终端的终端标识和MIMO的传输模式存储在终端标识和MIMO的传输模式的对应关系中。
其中,终端标识可以为终端的GUID(Globally Unique Identifier,全局唯一标识符)或者终端对应的电话号码等,在本发明实施例中对终端标识不作具体限定。
步骤206:eNB分别计算终端在每个第二RB集合时的吞吐量;
其中,本步骤可以通过以下步骤(1)和(2)实现,包括:
(1):eNB根据第一MCS、每个第二RB集合中的各RB上的发射功率和第一RB集合中的各RB上的发射功率,分别计算每个第二RB集合对应的第二MCS;
其中,步骤(1)可以通过以下步骤(1-1)至(1-3)实现,包括:
(1-1):eNB根据第一MCS,获取终端的第一信号与干扰加噪声比(Signal to Interference plus Noise Ratio,SINR);
eNB根据第一MCS,从MCS和SINR的对应关系中获取终端的第一SINR。
其中,需要说明的是,eNB中事先存储MCS和SINR的对应关系。
(1-2):eNB根据第一SINR、每个第二RB集合中的各RB上的发射功率和第一RB集合中的各RB上的发射功率,分别计算每个第二RB集合对应的第二SINR;
本步骤可以通过如下公式(1)计算得到每个第二RB集合对应的第二
SINR:
sinrAdjust=SinrBase+lintodbm(PowerAdjust)-Lintodbm(PowerperRb) (1)
其中,sinrAdjust为第二SINR,SinrBase为第一SINR,PowerAdjust为第二RB集合中的各RB上的发射功率,powerPerRb为第一RB集合中的各RB上的发射功率。
其中,PowerAdjust=(powerPerRb*RbBase)/RbAdjust,RbBase为第一RB集合包括的RB数目,RbAdjust为第二RB集合包括的RB数目。
(1-3):eNB根据每个第二RB集合对应的第二SINR,获取每个第二RB集合对应的第二MCS;
eNB根据每个第二RB集合对应的第二SINR,从SINR和MCS的对应关系中获取每个第二RB集合对应的第二MCS。
(2):eNB根据每个第二RB集合和每个第二RB集合对应的第二MCS,分别计算终端在每个第二RB集合时的吞吐量。
eNB获取每个第二RB集合包括的RB数目,根据每个第二RB集合包括的RB数目,从MCS、RB数目和吞吐量的对应关系中获取终端在每个第二RB集合时的吞吐量。
其中,需要说明的是,eNB中事先需要存储MCS、RB数目和吞吐量的对应关系。
进一步地,eNB根据第一MCS和第一RB集合包括的RB数目,获取终端在第一RB集合时的吞吐量。
步骤207:eNB根据最大吞吐量对应的第二RB集合,调整第一RB集合,结束。
从终端在每个第二RB集合时的吞吐量中选择最大吞吐量,获取最大吞吐量对应的第二RB集合,将第一RB集合调整为最大吞吐量对应的第二RB集合。
其中,将第一RB集合调整为最大吞吐量对应的第二RB集合的步骤可以为:
将第一RB集合包括的RB数目调整为最大吞吐量对应的第二RB集合包括的RB数目以及将第一RB集合中的各RB上的发射功率调整为最大吞吐量对应的第二RB集合中的各RB上的发射功率。
进一步地,执行步骤207之前,确定最大吞吐量是否大于终端在第一RB
集合时的吞吐量,如果是,则执行步骤207;如果否,则不调整第一RB集合。
步骤208:当该业务类型为语音业务类型且第一MCS在第一预设范围内,则eNB获取终端所接入的小区空闲的RB上的发射功率;
当该业务类型为语音业务类型,则eNB确定第一MCS是否在第一预设范围内,如果第一MCS在第一预设范围内,则获取终端所接入的小区空闲的RB数目,根据空闲的RB数目以及各RB上的发射功率,获取空闲的RB上的发射功率。
例如,小区空闲的RB数目为2,每RB上的发射功率为5dbm,则小区空闲的发射功率为10dbm。
其中,第一预设范围可以根据需要进行设置并更改,在本发明实施例中,对第一预设范围不作具体限定,例如第一预设数值为[0,1]等。
如果第一MCS不在第一预设范围内,则eNB不调整第一RB集合中的各RB上的发射功率,结束。
进一步地,基站还可以只对参考信号接收功率(Reference Signal Receiving Power,RSRP)大于预设阈值的终端按照本步骤提供的方法调整第一RB集合中的各RB上的发射功率,对于RSRP不大于预设阈值的终端,则不调整第一RB集合中的各RB上的发射功率。
则本步骤还可以为:获取终端的RSRP,确定终端的RSRP是否大于预设阈值,如果是,则eNB获取终端所接入的小区空闲的RB上的发射功率;如果否,则结束。
预设阈值可以根据需要进行设置并更改,在本发明实施例中,对预设阈值不作具体限定。
步骤209:eNB根据空闲的RB上的发射功率,增加第一RB集合中的各RB上的发射功率。
确定空闲的RB上的发射功率是否大于预设数值,如果空闲的RB上的发射功率大于预设数值,则eNB将预设数值平均分配到第一RB集合中的各RB上;如果空闲的RB上的发射功率不大于预设数值,则eNB将空闲的RB上的发射功率平均分配到第一RB集合中的各RB上。
预设数值可以根据需要进行设置并更改,在本发明实施例中,对预设数值不作具体限定,例如预设数值为4dbm等。
例如,预设数值为4dbm,空闲的RB上的发射功率为10dbm,第一RB集
合中包括4个RB,每个RB上的发射功率为5dbm;由于空闲的RB上的发射功率大于预设数值,则eNB将预设数值平均分配到第一RB集合中的各RB上,也即将4dbm平均分配到第一RB集合中包括的4个RB上,则调整后的第一RB集合中包括的各RB上的发射功率为5dbm。
进一步地,基站调整第一RB集合之后,基站通过调整后的第一RB集合发送待传输数据给终端。
在本发明实施例中,eNB为终端分配传输该待传输数据所需的第一RB集合之后,根据待传输数据的业务类型和第一MCS,调整第一RB集合,由于不同的业务类型需要每RB上的发射功率是不同的,从而根据业务类型调整各RB上的发射功率,能够提高传输待传输数据的效率。
本发明实施例提供了一种分配网络资源的装置,该装置用于执行上述的一种分配网络资源的方法。参见图3,其中,该装置包括:
接收模块301,用于接收终端发送的信道质量指示CQI;
第一获取模块302,用于根据CQI,获取终端的第一MCS;
分配模块303,用于根据待传输数据量和第一MCS,为终端分配传输待传输数据所需的第一资源块RB集合;
调整模块304,用于根据待传输数据的业务类型和第一MCS,调整第一RB集合。
进一步地,调整模块304,包括:
第一获取单元,用于当待传输数据的业务类型为语音业务类型且第一MCS在第一预设范围内时,则获取终端所接入的小区空闲的RB上的发射功率;
增加单元,用于根据空闲的RB上的发射功率,增加第一RB集合中的各RB上的发射功率。
进一步地,第一增加单元,包括:
第一分配子单元,用于如果空闲的RB上的发射功率大于预设数值,则将预设数值平均分配到第一RB集合中的各RB上;或者,
第二分配子单元,用于如果空闲的RB上的发射功率不大于预设数值,则将空闲的RB上的发射功率平均分配到第一RB集合中的各RB上。
进一步地,调整模块304,包括:
第一调整单元,用于当待传输数据的业务类型为数据业务类型,根据第一
MCS,调整第一RB集合包括的RB数目,得到多个第二RB集合,第一RB集合中的各RB上的发射功率之和与多个第二RB集合中的每个第二RB集合中的各RB上的发射功率之和相等;
计算单元,用于分别计算终端在每个第二RB集合时的吞吐量;
第二调整单元,用于根据最大吞吐量对应的第二RB集合,调整第一RB集合。
进一步地,第一调整单元,包括:
减少子单元,用于如果第一MCS在第二预设范围内,则减少第一RB集合包括的RB得到多个第二RB集合;或者
增加子单元,用于如果第一MCS在第三预设范围内,则增加第一RB集合包括的RB得到多个第二RB集合。
进一步地,计算单元,包括:
第一计算子单元,用于根据第一MCS、每个第二RB集合中的各RB上的发射功率和第一RB集合中的各RB上的发射功率,分别计算每个第二RB集合对应的第二MCS;
第二计算子单元,用于根据每个第二RB集合和每个第二RB集合对应的第二MCS,分别计算终端在每个第二RB集合时的吞吐量。
进一步地,第二调整单元,包括:
获取子单元,用于获取最大吞吐量对应的第二RB集合;
调整子单元,用于将第一RB集合调整为最大吞吐量对应的第二RB集合。
进一步地,装置还包括:
第二获取模块,用于获取终端的多输入多输出MIMO的传输模式;
设置模块,用于根据传输模式设置第三预设范围。
在本发明实施例中,eNB为终端分配传输该待传输数据所需的第一RB集合之后,根据待传输数据的业务类型和第一MCS,调整第一RB集合,由于不同的业务类型需要每RB上的发射功率是不同的,从而根据业务类型调整各RB上的发射功率,能够提高传输待传输数据的效率。
本发明实施例提供了一种基站,该基站用于执行上述的一种分配网络资源的方法。参见图4,其中,该基站包括:接收器401和处理器402;
接收器401,用于接收终端发送的信道质量指示CQI;
处理器402,用于根据CQI,获取终端的第一MCS;
处理器402,还用于根据待传输数据量和第一MCS,为终端分配传输待传输数据所需的第一资源块RB集合;
处理器402,还用于根据待传输数据的业务类型和第一MCS,调整第一RB集合。
进一步地,处理器402,还用于当待传输数据的业务类型为语音业务类型且第一MCS在第一预设范围内时,则获取终端所接入的小区空闲的RB上的发射功率;根据空闲的RB上的发射功率,增加第一RB集合中的各RB上的发射功率。
进一步地,处理器402,还用于如果空闲的RB上的发射功率大于预设数值,则将预设数值平均分配到第一RB集合中的各RB上;或者,
处理器402,还用于如果空闲的RB上的发射功率不大于预设数值,则将空闲的RB上的发射功率平均分配到第一RB集合中的各RB上。
进一步地,处理器402,还用于当待传输数据的业务类型为数据业务类型,根据第一MCS,调整第一RB集合包括的RB数目,得到多个第二RB集合,第一RB集合中的各RB上的发射功率之和与多个第二RB集合中的每个第二RB集合中的各RB上的发射功率之和相等;分别计算终端在每个第二RB集合时的吞吐量;根据最大吞吐量对应的第二RB集合,调整第一RB集合。
进一步地,处理器402,还用于如果第一MCS在第二预设范围内,则减少第一RB集合包括的RB得到多个第二RB集合;或者
处理器402,还用于如果第一MCS在第三预设范围内,则增加第一RB集合包括的RB得到多个第二RB集合。
进一步地,处理器402,还用于根据第一MCS、每个第二RB集合中的各RB上的发射功率和第一RB集合中的各RB上的发射功率,分别计算每个第二RB集合对应的第二MCS;根据每个第二RB集合和每个第二RB集合对应的第二MCS,分别计算终端在每个第二RB集合时的吞吐量。
进一步地,处理器402,还用于获取最大吞吐量对应的第二RB集合;将第一RB集合调整为最大吞吐量对应的第二RB集合。
进一步地,处理器402,还用于获取终端的多输入多输出MIMO的传输模式;
处理器402,还用于根据传输模式设置第三预设范围。
在本发明实施例中,eNB为终端分配传输该待传输数据所需的第一RB集合之后,根据待传输数据的业务类型和第一MCS,调整第一RB集合,由于不同的业务类型需要每RB上的发射功率是不同的,从而根据业务类型调整各RB上的发射功率,能够提高传输待传输数据的效率。
需要说明的是:上述实施例提供的分配网络资源的装置在分配网络资源时,仅以上述各功能模块的划分进行举例说明,实际应用中,可以根据需要而将上述功能分配由不同的功能模块完成,即将装置的内部结构划分成不同的功能模块,以完成以上描述的全部或者部分功能。另外,上述实施例提供的分配网络资源的装置与分配网络资源的方法实施例属于同一构思,其具体实现过程详见方法实施例,这里不再赘述。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成,也可以通过程序来指令相关的硬件完成,所述的程序可以存储于一种计算机可读存储介质中,上述提到的存储介质可以是只读存储器,磁盘或光盘等。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (24)
- 一种分配网络资源的方法,其特征在于,所述方法包括:演进型基站eNB接收终端发送的信道质量指示CQI;所述eNB根据所述CQI,获取所述终端的第一MCS;所述eNB根据待传输数据量和所述第一MCS,为所述终端分配传输所述待传输数据所需的第一资源块RB集合;所述eNB根据所述待传输数据的业务类型和所述第一MCS,调整所述第一RB集合。
- 如权利要求1所述的方法,其特征在于,所述eNB根据所述待传输数据的业务类型和所述第一MCS,调整所述第一RB集合,包括:当所述待传输数据的业务类型为语音业务类型且所述第一MCS在第一预设范围内时,则所述eNB获取所述终端所接入的小区空闲的RB上的发射功率;所述eNB根据所述空闲的RB上的发射功率,增加所述第一RB集合中的各RB上的发射功率。
- 如权利要求2所述的方法,其特征在于,所述eNB根据所述空闲的RB上的发射功率,增加所述第一RB集合中的各RB上的发射功率,包括:如果所述空闲的RB上的发射功率大于预设数值,则所述eNB将所述预设数值平均分配到所述第一RB集合中的各RB上;或者,如果所述空闲的RB上的发射功率不大于预设数值,则所述eNB将所述空闲的RB上的发射功率平均分配到所述第一RB集合中的各RB上。
- 如权利要求1所述的方法,其特征在于,所述eNB根据所述待传输数据的业务类型和所述第一MCS,调整所述第一RB集合,包括:当所述待传输数据的业务类型为数据业务类型,所述eNB根据所述第一MCS,调整所述第一RB集合包括的RB数目,得到多个第二RB集合,所述第一RB集合中的各RB上的发射功率之和与所述多个第二RB集合中的每个第二RB集合中的各RB上的发射功率之和相等;所述eNB分别计算所述终端在所述每个第二RB集合时的吞吐量;所述eNB根据最大吞吐量对应的第二RB集合,调整所述第一RB集合。
- 如权利要求4所述的方法,其特征在于,所述eNB根据所述第一MCS,调整所述第一RB集合包括的RB数目,得到多个第二RB集合,包括:如果所述第一MCS在第二预设范围内,则所述eNB减少所述第一RB集合包括的RB得到多个第二RB集合;或者如果所述第一MCS在第三预设范围内,则所述eNB增加所述第一RB集合包括的RB得到多个第二RB集合。
- 如权利要求4所述的方法,其特征在于,所述eNB分别计算所述终端在所述每个第二RB集合时的吞吐量,包括:所述eNB根据所述第一MCS、所述每个第二RB集合中的各RB上的发射功率和所述第一RB集合中的各RB上的发射功率,分别计算所述每个第二RB集合对应的第二MCS;所述eNB根据所述每个第二RB集合和所述每个第二RB集合对应的所述第二MCS,分别计算所述终端在所述每个第二RB集合时的吞吐量。
- 如权利要求4所述的方法,其特征在于,所述eNB根据最大吞吐量对应的第二RB集合,调整所述第一RB集合,包括:所述eNB获取最大吞吐量对应的第二RB集合;所述eNB将所述第一RB集合调整为所述最大吞吐量对应的第二RB集合。
- 如权利要求5所述的方法,其特征在于,所述方法还包括:所述eNB获取所述终端的多输入多输出MIMO的传输模式;所述eNB根据所述传输模式设置所述第三预设范围。
- 一种分配网络资源的装置,其特征在于,所述装置包括:接收模块,用于接收终端发送的信道质量指示CQI;第一获取模块,用于根据所述CQI,获取所述终端的第一MCS;分配模块,用于根据待传输数据量和所述第一MCS,为所述终端分配传输所述待传输数据所需的第一资源块RB集合;调整模块,用于根据所述待传输数据的业务类型和所述第一MCS,调整所述第一RB集合。
- 如权利要求9所述的装置,其特征在于,所述调整模块,包括:第一获取单元,用于当所述待传输数据的业务类型为语音业务类型且所述第一MCS在第一预设范围内时,则获取所述终端所接入的小区空闲的RB上的发射功率;增加单元,用于根据所述空闲的RB上的发射功率,增加所述第一RB集合中的各RB上的发射功率。
- 如权利要求10所述的装置,其特征在于,所述第一增加单元,包括:第一分配子单元,用于如果所述空闲的RB上的发射功率大于预设数值,则将所述预设数值平均分配到所述第一RB集合中的各RB上;或者,第二分配子单元,用于如果所述空闲的RB上的发射功率不大于预设数值,则将所述空闲的RB上的发射功率平均分配到所述第一RB集合中的各RB上。
- 如权利要求9所述的装置,其特征在于,所述调整模块,包括:第一调整单元,用于当所述待传输数据的业务类型为数据业务类型,根据所述第一MCS,调整所述第一RB集合包括的RB数目,得到多个第二RB集合,所述第一RB集合中的各RB上的发射功率之和与所述多个第二RB集合中的每个第二RB集合中的各RB上的发射功率之和相等;计算单元,用于分别计算所述终端在所述每个第二RB集合时的吞吐量;第二调整单元,用于根据最大吞吐量对应的第二RB集合,调整所述第一RB集合。
- 如权利要求12所述的装置,其特征在于,所述第一调整单元,包括:减少子单元,用于如果所述第一MCS在第二预设范围内,则减少所述第一RB集合包括的RB得到多个第二RB集合;或者增加子单元,用于如果所述第一MCS在第三预设范围内,则增加所述第一RB集合包括的RB得到多个第二RB集合。
- 如权利要求12所述的装置,其特征在于,所述计算单元,包括:第一计算子单元,用于根据所述第一MCS、所述每个第二RB集合中的各RB上的发射功率和所述第一RB集合中的各RB上的发射功率,分别计算所述每个第二RB集合对应的第二MCS;第二计算子单元,用于根据所述每个第二RB集合和所述每个第二RB集合对应的所述第二MCS,分别计算所述终端在所述每个第二RB集合时的吞吐量。
- 如权利要求12所述的装置,其特征在于,所述第二调整单元,包括:获取子单元,用于获取最大吞吐量对应的第二RB集合;调整子单元,用于将所述第一RB集合调整为所述最大吞吐量对应的第二RB集合。
- 如权利要求13所述的装置,其特征在于,所述装置还包括:第二获取模块,用于获取所述终端的多输入多输出MIMO的传输模式;设置模块,用于根据所述传输模式设置所述第三预设范围。
- 一种基站,其特征在于,所述基站包括:接收器和处理器;所述接收器,用于接收终端发送的信道质量指示CQI;所述处理器,用于根据所述CQI,获取所述终端的第一MCS;所述处理器,还用于根据待传输数据量和所述第一MCS,为所述终端分配传输所述待传输数据所需的第一资源块RB集合;所述处理器,还用于根据所述待传输数据的业务类型和所述第一MCS,调整所述第一RB集合。
- 如权利要求17所述的基站,其特征在于,所述处理器,还用于当所述待传输数据的业务类型为语音业务类型且所述第一MCS在第一预设范围内时,则获取所述终端所接入的小区空闲的RB上的发射功率;根据所述空闲的RB上的发射功率,增加所述第一RB集合中的各RB上的发射功率。
- 如权利要求18所述的基站,其特征在于,所述处理器,还用于如果所述空闲的RB上的发射功率大于预设数值,则将所述预设数值平均分配到所述第一RB集合中的各RB上;或者,所述处理器,还用于如果所述空闲的RB上的发射功率不大于预设数值,则将所述空闲的RB上的发射功率平均分配到所述第一RB集合中的各RB上。
- 如权利要求17所述的基站,其特征在于,所述处理器,还用于当所述待传输数据的业务类型为数据业务类型,根据所述第一MCS,调整所述第一RB集合包括的RB数目,得到多个第二RB集合,所述第一RB集合中的各RB上的发射功率之和与所述多个第二RB集合中的每个第二RB集合中的各RB上的发射功率之和相等;分别计算所述终端在所述每个第二RB集合时的吞吐量;根据最大吞吐量对应的第二RB集合,调整所述第一RB集合。
- 如权利要求20所述的基站,其特征在于,所述处理器,还用于如果所述第一MCS在第二预设范围内,则减少所述第一RB集合包括的RB得到多个第二RB集合;或者所述处理器,还用于如果所述第一MCS在第三预设范围内,则增加所述第一RB集合包括的RB得到多个第二RB集合。
- 如权利要求20所述的基站,其特征在于,所述处理器,还用于根据所述第一MCS、所述每个第二RB集合中的各RB上的发射功率和所述第一RB集合中的各RB上的发射功率,分别计算所述每个第二RB集合对应的第二MCS;根据所述每个第二RB集合和所述每个第二RB集合对应的所述第二MCS,分别计算所述终端在所述每个第二RB集合时的吞吐量。
- 如权利要求20所述的基站,其特征在于,所述处理器,还用于获取最大吞吐量对应的第二RB集合;将所述第一RB集合调整为所述最大吞吐量对应的第二RB集合。
- 如权利要求21所述的基站,其特征在于,所述处理器,还用于获取所述终端的多输入多输出MIMO的传输模式;所述处理器,还用于根据所述传输模式设置所述第三预设范围。
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