WO2013178177A2 - Procédé et dispositif de signalement de type d'ue et d'attribution de ressources, ue et station de base - Google Patents

Procédé et dispositif de signalement de type d'ue et d'attribution de ressources, ue et station de base Download PDF

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Publication number
WO2013178177A2
WO2013178177A2 PCT/CN2013/080331 CN2013080331W WO2013178177A2 WO 2013178177 A2 WO2013178177 A2 WO 2013178177A2 CN 2013080331 W CN2013080331 W CN 2013080331W WO 2013178177 A2 WO2013178177 A2 WO 2013178177A2
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WIPO (PCT)
Prior art keywords
type
transmission rate
frequency band
maximum
reported
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PCT/CN2013/080331
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English (en)
Chinese (zh)
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WO2013178177A3 (fr
Inventor
杜忠达
陈中明
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中兴通讯股份有限公司
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Publication of WO2013178177A2 publication Critical patent/WO2013178177A2/fr
Publication of WO2013178177A3 publication Critical patent/WO2013178177A3/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data

Definitions

  • the present invention relates to the field of communications, and in particular to a user equipment (User Equipment, UE for short) type reporting, resource allocation method and apparatus, UE, and base station. .
  • UE User Equipment
  • CA Carrier Aggregation
  • LTE Long Term EYolution Advance
  • the maximum downlink transmission bandwidth supported by the system is 20 MHz.
  • Carrier aggregation is to aggregate two or more component carriers (also referred to as CCs) (also called serving cells) to support more than 20 MHz and no more than 100 MHz. Transmission bandwidth.
  • LTE-A Long Term EYolution Advance
  • CA Carrier Aggregation
  • the maximum downlink transmission bandwidth supported by the system is 20 MHz.
  • Carrier aggregation is to aggregate two or more component carriers (also referred to as CCs) (also called serving cells) to support more than 20 MHz and no more than 100 MHz. Transmission bandwidth.
  • the UE after the UE enters the connected state, it can simultaneously communicate with the source base station through multiple component carriers (also referred to as a serving cell, including a primary serving cell and a secondary serving cell).
  • the capability query process performed by the base station to the UE is as shown in FIG. 1.
  • the base station requests the UE to report the capability through the UECapabilityEnqmry message, and the UE reports its capability to the base station through the UECapabilitylnformatkm message, where the capability includes the terminal class.
  • the downlink of each class corresponds to the following information: the maximum number of bits of a DL-SCH transport block received within one TTI, and a single DL-SCH transport block received within one TTI
  • the maximum number of bits, and the total number of soft channel bits, the maximum number of layers supported during space division multiplexing, etc., the uplink corresponds to the following information:
  • the UL-SCH transport block received within one TTI The maximum number of bits, the maximum number of bits of a single UL-SCH transport block received within one TTI, and so on.
  • the terminal will report the corresponding category to the base station, and the base station will configure the appropriate service rate according to the information reported by the terminal, and perform rate matching according to the soft channel buffer size.
  • Table 1 The specific information is shown in Table 1 below.
  • the maximum transmission rate in Table 1 is calculated according to the support of 20MHz.
  • Table 1 shows the downlink physical layer parameter values set according to the user equipment type.
  • the capability of the terminal to report itself includes the capability of the terminal to support carrier aggregation.
  • the specific content is to report the frequency band combination of each supported carrier aggregation, and each frequency band combination has an identifier.
  • the bandwidth supported by each band is not fixed, and some or all of them are supported between 1.4M, 3M, 5M, 10M, 15M, and 20MHz.
  • the terminal reports the frequency band combination of each carrier aggregation. For each combination, the bandwidth set supported by this combination is also reported. If the two frequency bands are supported for aggregation, the following bandwidth is supported for aggregation. 5M+10M , 10M+10M, 15M+10M, etc.
  • the terminal only supports part of the bandwidth combination of the band combination.
  • the terminal does not support the maximum bandwidth combination, that is, when the 20MHz bandwidth combination is not supported
  • the terminal still reports the user category corresponding to the 20MHz bandwidth, which may cause a certain gap between the user category reported by the terminal and the capability of the terminal itself.
  • the terminal The reported user class is much higher than the terminal itself.
  • the soft channel buffer is much larger.
  • the base station can only use the parameters corresponding to the user type reported by the terminal, which will generate unnecessary redundancy and waste, and increase the terminal. the cost of.
  • the present invention provides a UE type reporting, resource allocation method, and apparatus, in which the base station acquires a UE type inaccuracy, and the base station allocates resources according to an inaccurate UE type, resulting in a relatively low resource utilization.
  • the UE, the base station to at least solve the problem.
  • a UE type reporting method includes: determining, by a UE, a parameter of a frequency band combination supported by the UE; and determining, by the UE, a UE type that needs to be reported according to the parameter of the frequency band combination; The UE reports the type of the UE that needs to be reported.
  • the parameter comprises: a maximum bandwidth of each frequency band included in the frequency band combination and/or a maximum number of spatial multiplexing multiplexed layers supported by the frequency band combination.
  • the determining, by the UE, the UE type that needs to be reported according to the parameter of the frequency band combination includes: the maximum bandwidth of each frequency band that the UE includes according to the frequency band combination, and/or the space division supported by the frequency band combination The maximum number of layers used determines the maximum transmission rate of the UE;
  • the UE type corresponding to the preset transmission rate that is equal to the maximum transmission rate is the type of the UE to be reported, or determining that the following is satisfied, according to the mapping between the preset transmission rate and the UE type.
  • the UE type corresponding to the preset transmission rate of the condition is the UE type that needs to be reported: the preset transmission rate is greater than the maximum transmission rate, and the preset transmission rate and the maximum transmission rate are The absolute value of the difference is the minimum value.
  • the transmission rate includes at least one of: a maximum number of bits of a downlink shared channel DL-SCH transmission block received within one transmission time interval TTI, and a maximum bit of an uplink shared channel UL-SCH transmission block received within one TTI Number, the maximum number of bits of a single DL-SCH transport block received within one TTI, and the maximum number of bits of a single UL-SCH transport block received within one TTI.
  • a resource allocation method is further provided, including: receiving, by a base station, a user equipment
  • the type of the UE reported by the UE where the reported UE type is determined by the UE according to the parameter of the frequency band combination supported by the UE; and the base station performs resource allocation on the UE according to the reported UE type.
  • the parameter comprises: a maximum bandwidth of each frequency band included in the frequency band combination and/or a maximum number of spatial multiplexing multiplexed layers supported by the frequency band combination.
  • the reported UE type is a UE type that is determined by the UE according to a preset transmission rate and a UE type, and is determined according to the maximum transmission rate; or determined according to the correspondence relationship.
  • the preset transmission rate is greater than the maximum transmission rate, and an absolute value of a difference between the preset transmission rate and the maximum transmission rate
  • the maximum transmission rate of the UE is determined according to a maximum bandwidth of each frequency band included in the frequency band combination and/or a maximum number of layers of space division multiplexing supported by the frequency band combination.
  • the transmission rate includes at least one of: a maximum number of bits of a downlink shared channel DL-SCH transmission block received within one transmission time interval TTI, and a maximum bit of an uplink shared channel UL-SCH transmission block received within one TTI Number, the maximum number of bits of a single DL-SCH transport block received within one TTI, and the maximum number of bits of a single UL-SCH transport block received within one TTI.
  • a UE type reporting apparatus is further provided, which is applied to the UE, and includes: a first determining module, configured to determine a parameter of a frequency band combination supported by the UE; and a second determining module, configured to be according to the frequency band The combined parameter determines the type of the UE to be reported; the reporting module is configured to report the type of the UE to be reported.
  • the second determining module comprises: a third determining module, configured to determine, according to a maximum bandwidth of each frequency band included in the frequency band combination and/or a maximum number of layers of space division multiplexing supported by the frequency band combination
  • the fourth determining module is configured to determine, according to a correspondence between the preset transmission rate and the UE type, that the UE type corresponding to the preset transmission rate equal to the maximum transmission rate is The type of the UE that needs to be reported, or the fifth determining module, is configured to determine, according to the corresponding relationship, that the UE type corresponding to the preset transmission rate that meets the following conditions is the UE type that needs to be reported: the preset transmission The rate is greater than the maximum transmission rate, and the absolute value of the difference between the preset transmission rate and the maximum transmission rate is a minimum value.
  • a resource allocation apparatus is further provided, which is applied to a base station, and includes: a receiving module, configured to receive a UE type that is reported by a user equipment UE, where the reported UE type is the UE according to the The parameter of the frequency band combination supported by the UE determines: an allocation module, configured to perform resource allocation on the UE according to the reported UE type.
  • a UE is further provided, including: the foregoing UE type reporting apparatus.
  • a base station is provided, including: the foregoing resource allocation apparatus.
  • the UE determines the type of the UE to be reported according to the parameters of the frequency band combination supported by the UE, and then reports the determined UE type, which overcomes the problem that the UE type obtained by the base station is inaccurate in the related art, so that the base station can Obtain accurate UE types, thereby improving resource utilization and reducing terminal costs.
  • FIG. 1 is a flowchart of a UE capability reporting method according to the related art
  • FIG. 2 is a flowchart of a UE type reporting method according to an embodiment of the present invention
  • FIG. 3 is a resource allocation method according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a UE type reporting apparatus according to an embodiment of the present invention
  • FIG. 5 is a block diagram showing a preferred structure of a UE type reporting apparatus according to an embodiment of the present invention;
  • FIG. 5 6 is a structural block diagram of a resource allocation apparatus according to an embodiment of the present invention
  • FIG. 7 is a structural block diagram of a UE according to an embodiment of the present invention
  • FIG. 8 is a structural block diagram of a base station according to an embodiment of the present invention
  • Step S202 The UE determines parameters of a frequency band combination supported by the UE.
  • Step S204 The UE determines the type of the UE to be reported according to the parameter of the frequency band combination.
  • Step S206 The UE reports the type of the UE that needs to be reported.
  • the UE may determine the type of the UE to be reported according to the parameters of the frequency band combination supported by the UE, and then report the determined UE type, which overcomes the problem that the UE type obtained by the base station in the related art is inaccurate, so that the base station can obtain the accuracy.
  • the UE corresponding to the preset transmission rate with the maximum transmission rate of the UE is determined to be the type of the UE to be reported, if not directly Corresponding relationship may be selected to report the UE type corresponding to the preset transmission rate of the maximum transmission rate of the UE and greater than the maximum transmission rate, for example: determining a UE corresponding to the preset transmission rate that satisfies the following conditions
  • the type is the UE type that needs to be reported: the preset transmission rate is greater than the maximum transmission rate, and the absolute value of the difference between the preset transmission rate and the maximum transmission rate is the minimum value.
  • the transmission rate includes at least one of: a maximum number of bits of the downlink shared channel DL-SCH transport block received within one transmission time interval TTI, a maximum number of bits of the uplink shared channel UL-SCH transport block received within one TTI, The maximum number of bits of a single DL-SCH transport block received within one TTI, and the maximum number of bits of a single UL-SCH transport block received within one TTI.
  • FIG. 3 is a flowchart of a resource allocation method according to an embodiment of the present invention. As shown in FIG. 3, the method includes the following steps S302 to S304. Step S302: The base station receives the UE type reported by the UE, where the reported UE type is determined by the UE according to parameters of the frequency band combination supported by the UE. Step S304: The base station performs resource allocation on the UE according to the reported UE type.
  • the base station can obtain the UE type that is determined by the UE according to the parameters of the frequency band combination supported by the UE, improve the accuracy of the UE type, and overcome the problem that the UE type obtained by the base station is inaccurate in the related art, so that the base station can Obtain accurate UE types, thereby improving resource utilization and reducing terminal costs.
  • the maximum bandwidth and/or the maximum number of layers of space division multiplexing supported by the maximum bandwidth and/or band combination of each band included in the band combination in order to improve the accuracy of determining the type of UE, the maximum bandwidth and/or the maximum number of layers of space division multiplexing supported by the maximum bandwidth and/or band combination of each band included in the band combination.
  • the type of the UE that is reported may be the type of the UE that is determined by the UE according to the preset transmission rate and the UE type, and may be determined according to the corresponding relationship.
  • the transmission rate includes: at least one of: a maximum number of bits of a downlink shared channel (DL-SCH) transmission block received within one transmission time interval TTI, and an uplink shared channel (UL-SCH) transmission block received within one TTI
  • DL-SCH downlink shared channel
  • UL-SCH uplink shared channel
  • the maximum number of bits, the maximum number of bits of a single DL-SCH transport block received within one frame, and the maximum number of bits of a single UL-SCH transport block received within one TTI need to be explained in the flowchart of the accompanying drawings.
  • the steps may be performed in a computer system such as a set of computer executable instructions, and although the logical order is shown in the flowcharts, in some cases the illustrated or described may be performed in a different order than the ones described herein.
  • a UE type reporting software is also provided, which is used to implement the technical solutions described in the foregoing embodiments and preferred embodiments.
  • a storage medium is further provided, where the UE type reporting software is stored, and the storage medium includes, but is not limited to, an optical disc, a floppy disk, a hard disk, a rewritable memory, and the like.
  • the embodiment of the present invention further provides a UE type reporting apparatus, where the apparatus may be applied to a UE, and the UE type reporting apparatus may be used to implement the foregoing UE type reporting method and a preferred implementation manner, which have been described, and are not described again.
  • the modules involved in the UE type reporting apparatus will be described below.
  • FIG. 4 is a structural block diagram of a UE type reporting apparatus according to an embodiment of the present invention. As shown in FIG. 4, the apparatus includes: a first determining module 42 and a second determining module 44, and a reporting module 46. The following structure is detailed. description.
  • the first determining module 42 is configured to determine a parameter of the frequency band combination supported by the UE.
  • the second determining module 44 is connected to the first determining module 42 and configured to determine, according to the parameter of the frequency band combination determined by the first determining module 42
  • the UE type: the reporting module 46 is connected to the second determining module 44, and is configured to report the type of the UE that needs to be reported by the second determining module 44 for reporting.
  • FIG. 5 is a block diagram of a preferred structure of a UE type reporting apparatus according to an embodiment of the present invention. As shown in FIG. 5, the second determining module 44 includes: a third determining module 442, a fourth determining module 444, and a fifth determining module 446. The above structure will be described in detail below.
  • the third determining module 442 is configured to determine a maximum transmission rate of the UE according to a maximum bandwidth of each frequency band included in the frequency band combination and/or a maximum number of layers of space division multiplexing supported by the frequency band combination; and a fourth determining module 444 And connecting to the third determining module 442, configured to determine, according to a correspondence between the preset transmission rate and the UE type, a UE type corresponding to a preset transmission rate that is equal to a maximum transmission rate determined by the third determining module 442.
  • the third determining module 442 is configured to determine, according to the corresponding relationship, the UE type corresponding to the preset transmission rate that meets the following conditions: The transmission rate is set to be greater than the maximum transmission rate determined by the third determining module 442, and the absolute value of the difference between the preset transmission rate and the maximum transmission rate is the minimum value.
  • a resource allocation device software is also provided for performing the technical solutions described in the above embodiments and preferred embodiments.
  • a storage medium is provided, in which the resource allocation software is stored, including but not limited to: an optical disk, a floppy disk, a hard disk, a rewritable memory, and the like.
  • FIG. 6 is a structural block diagram of a resource allocation apparatus according to an embodiment of the present invention. As shown in FIG. 6, the apparatus includes: a receiving module 62, an allocating module 64.
  • the receiving module 62 is configured to receive The UE type reported by the user equipment UE, wherein the reported UE type is determined by the UE according to the parameter of the frequency band combination supported by the UE; the allocation module 64 is connected to the receiving module 62, and is configured to receive the report according to the receiving module 62.
  • the UE type allocates resources to the UE.
  • the present embodiment provides a UE, which includes the UE type reporting device 2 in the foregoing embodiment, and the device includes: a first determining module 42 and a second determining module 44.
  • the second determining module 44 includes: The third determining module 442, the fourth determining module 444, and the fifth determining module 446, the foregoing structure is described in detail below.
  • the first determining module 42 is configured to determine a parameter of the frequency band combination supported by the UE.
  • the second determining module 44 is connected to the first determining module 42 and configured to determine, according to the parameter of the frequency band combination determined by the first determining module 42
  • the UE type; the reporting module 46 is connected to the second determining module 44, and is configured to report the type of the UE that needs to be reported by the second determining module 44 for reporting.
  • the second determining module 44 comprises: a third determining module 442, configured to determine the UE according to a maximum bandwidth of each frequency band included in the frequency band combination and/or a maximum number of layers of space division multiplexing supported by the frequency band combination
  • the fourth transmission module 444 is connected to the third determining module 442, and is configured to determine that the maximum transmission rate determined by the third determining module 442 is equal according to the correspondence between the preset transmission rate and the UE type.
  • the UE type corresponding to the preset transmission rate is the UE type that needs to be reported; or the fifth determining module 446 is connected to the third determining module 442, and is configured to determine, according to the correspondence, that the UE type corresponding to the transmission rate that meets the following conditions is Type of UE to be reported:
  • the preset transmission rate is greater than the maximum transmission rate determined by the third determining module 442, and the absolute value of the difference between the preset transmission rate and the maximum transmission rate is the minimum value.
  • the embodiment provides a base station, and the base station includes the resource allocation device 4 as shown in FIG. 6.
  • the device includes: a receiving module 62, an allocating module 64.
  • the receiving module 62 is configured to receive the reported UE type sent by the user equipment UE, where the reported UE type is determined by the UE according to parameters of the frequency band combination supported by the UE; the allocation module 64 is connected to the receiving module 62, and is configured. The resource allocation is performed on the UE according to the UE type that the receiving module 62 receives the report.
  • the preferred embodiment of the present invention provides a UE type reporting method.
  • the eNB has four cells, the carrier frequency of the Cell1 is the frequency of the frequency band 3, and the carrier frequency of the cell 2 is the G home frequency band 7.
  • FIG. 9 is a flowchart of a UE type reporting method according to an embodiment of the present invention. As shown in FIG. 9, the method includes the following steps S902 to S908. Step S902: UE1 enters a connected state through Cel1 in the eNB. Step S904: The eNB initiates a capability query process to the UE1, and the capability of the UE1 to report supported carrier aggregation is as follows: Table 3-1: Table 3-1
  • Step S906 Determine the UE type.
  • Band 3 supports all 6 bandwidths
  • Band 5 supports 4 of the 1.4M to 10MHz
  • Band 7 supports 4 of the 5M to 20MHz
  • UE1 only supports 5M, 10MHz in Band 3.
  • 1.4M in Band 5, 5MHz, 10MHz in Band 7 the maximum bandwidth supported by all supported UE1 band combinations (shown in Table 3-1) is shown in Table 3-2.
  • the maximum bandwidth supported by UE1 is 10M+10M carrier aggregation, at this time
  • the maximum number of layers supported by the space division multiplexing is 2, and the maximum transmission rate of the UE1 supports 147,424 bits.
  • the terminal calculates and reports the corresponding user type according to the maximum bandwidth of each frequency band, such as 20 MHz, Then, the UE1 reports the user class 6, and the soft channel buffer size corresponding to the class is 3654144 bits. If the maximum capacity supported by each band is used, the user type that meets the capability is reported, and the present embodiment does not, and the search is higher. This capability, and the user type closest to this capability is reported, the user class 4 definition is higher than the maximum transmission rate supported by the terminal, and is closest to the transmission rate supported by the terminal, so UE1 reports user class 4, corresponding soft channel buffer.
  • the area size is 1827072 bits, which is half the cost of user category 6.
  • the maximum transmission rate is smaller than user category 6, saving terminal cost and avoiding waste of resources.
  • Step S906 The base station configures a suitable service for the user according to the category reported by the user.
  • the preferred embodiment provides a UE type reporting method.
  • the eNB has four cells, the carrier frequency of Cell1 is the frequency of the frequency band 3, and the carrier frequency of the cell 2 is the G home frequency band 7.
  • the carrier frequency of CelB is ⁇ home frequency band 5, and the carrier frequency of Cell 4 is f4 home frequency band 18.
  • UE1 supports up to two carriers for aggregation.
  • the method of the preferred embodiment includes the following steps: Step 1: The UE1 enters the connected state through the Cell3 in the eNB. Step 2: The eNB initiates a capability query process to the UE1, and the capability of the UE1 to report supported carrier aggregation is as follows:
  • Step 3 Band 5 supports 4 bandwidths from 1.4M to 10MHz, and Band 18 supports 3 bandwidths from 5M to 15MHz, but UE1 only supports 1.4M, 3M, 5M in Band 5, 5MHz in Band 7, Band 10MHz in 18, the maximum bandwidth supported by all supported UE1 band combinations (Table 4-1) is shown in Table 4-2. UE1 supports up to 5M+10M carrier aggregation. Table 4-2
  • the maximum number of layers supported by the space division multiplexing is 2, and the maximum transmission rate of the UE1 supports 110,064 bits.
  • the terminal calculates and reports the corresponding user type according to the maximum bandwidth of each frequency band, such as 20 MHz, Then, UE1 reports user class 6, and the corresponding soft channel buffer size is 3654144 bits. If the maximum capacity supported by each frequency band is used, and the user type that meets this capability is reported, this embodiment does not, and the search is higher than this capability. And the user type that is closest to this capability is reported, the user category 4 definition is higher than the maximum transmission rate supported by the terminal, and is closest to the maximum transmission rate supported by the terminal, so UE1 reports user category 4, corresponding soft channel buffer.
  • the area size is 1827072 bits, which is half the cost of user category 6.
  • the maximum transmission rate is smaller than user category 6, saving terminal cost and avoiding waste of resources.
  • Step 4 The base station configures the appropriate service for the user according to the category reported by the user.
  • a UE type reporting, a resource allocation method and apparatus, a UE, and a base station are provided.
  • the user searches for the type of the user that exactly meets the capability according to the maximum capability supported by each frequency band. If not, the search is high. With this capability, and reporting with the user type closest to this capability, the base station can accurately know the user's category, thereby maximizing the use of resources, avoiding redundancy and waste, and saving terminal costs.
  • the UE determines the type of the UE to be reported according to the parameters of the frequency band combination supported by the UE, and then reports the determined UE type, which overcomes the problem that the UE type obtained by the base station in the related art is inaccurate, so that the base station can obtain an accurate UE type. Thereby improving resource utilization and reducing terminal costs.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

L'invention concerne un procédé et un dispositif de signalement de type d'UE et d'attribution de ressources. Elle concerne également un UE et une station de base. Le procédé de signalement de type d'UE comprend les étapes suivantes: un UE détermine un paramètre d'une combinaison de bandes de fréquence prises en charge par l'UE; l'UE détermine, en fonction du paramètre de la combinaison de bandes de fréquence, un type d'UE à signaler; et l'UE effectue le signalement du type d'UE à signaler. Le procédé de l'invention améliore le taux d'utilisation des ressources.
PCT/CN2013/080331 2012-08-03 2013-07-29 Procédé et dispositif de signalement de type d'ue et d'attribution de ressources, ue et station de base WO2013178177A2 (fr)

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CN201210275400.4A CN103580836B (zh) 2012-08-03 2012-08-03 Ue类型上报、资源分配方法及装置、ue、基站
CN201210275400.4 2012-08-03

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