WO2015117485A1 - 一种传输格式组合的选择方法、装置及存储介质 - Google Patents

一种传输格式组合的选择方法、装置及存储介质 Download PDF

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WO2015117485A1
WO2015117485A1 PCT/CN2014/093253 CN2014093253W WO2015117485A1 WO 2015117485 A1 WO2015117485 A1 WO 2015117485A1 CN 2014093253 W CN2014093253 W CN 2014093253W WO 2015117485 A1 WO2015117485 A1 WO 2015117485A1
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tfc
overpower
evaluation
tfcs
power
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PCT/CN2014/093253
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English (en)
French (fr)
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徐超祥
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深圳市中兴微电子技术有限公司
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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
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength

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  • the present invention relates to a related art for transmission in an uplink of Wideband Code Division Multiple Access (WCDMA), and in particular, to a method, an apparatus, and a storage medium for selecting a Transport Format Combination (TFC).
  • WCDMA Wideband Code Division Multiple Access
  • TFC Transport Format Combination
  • CCTrCH Coded Composite Transport Channel
  • TrCH Transport Channel
  • Transport Format Transport Format
  • TFC Transport Format Combination Set
  • the WCDMA protocol only specifies that the user equipment (UE, User Equipment) in the dedicated physical data channel (DPDCH, Dedicated Physical Data Channel) service process, each data transmission needs to be done according to the current transmission power to each TFC.
  • the power is evaluated to avoid the selection of an excessively large TFC in the TFC selection process, which causes the UE to send data anomalies, but does not describe a specific implementation method.
  • the embodiment of the present invention is to provide a method, a device, and a storage medium for selecting a TFC, which can improve the service performance of the DPDCH.
  • An embodiment of the present invention provides a method for selecting a TFC, where the method includes:
  • the TFC that satisfies the preset condition in the TFCS is selected for data transmission.
  • the performing the power evaluation on each TFC in the TFCS according to the uplink transmit power includes: passing the measured uplink transmit power P m Power evaluation of each TFC in the TFCS;
  • TFC (x) represents the xth TFC to be evaluated in the TFCS
  • P m is the uplink when the mth TFC is used to transmit data in the TFCS Transmit power
  • DPCCH Dedicated Physical Control Channel
  • the square value of the DPDCH gain factor for the current TFC (m) The squared value of the DPCCH gain factor for the TFC (x) to be evaluated
  • the squared value of the DPDCH gain factor For the TFC (x) to be evaluated, the squared value of the DPDCH gain factor.
  • the method further includes: storing an overpower evaluation result of each TFC to an overpower evaluation result queue corresponding to the TFC; wherein
  • the power evaluation result queue is a circular queue or a first in first out (FIFO) queue.
  • selecting the TFC in the TFCS that meets the preset condition for data transmission includes: according to the stored overpower evaluation result and the state transition criterion of each TFC. Performing a state judgment on each TFC in the TFCS, selecting a TFC whose state is a supported state, and selecting a TFC that satisfies a preset condition from the TFC whose state is a supported state to perform data transmission.
  • the preset condition is: the amount of data that the TFC can carry is less than or equal to when The amount of data to be sent before, and the closest to the amount of data currently being sent.
  • the embodiment of the present invention further provides a TFC selection device, where the device includes: a measurement module, an overpower evaluation module, and a TFC selection module;
  • the measuring module is configured to measure a current uplink transmit power
  • the overpower evaluation module is configured to perform an overpower evaluation on each TFC in the TFCS according to the uplink transmit power;
  • the TFC selection module is configured to select a TFC that meets a preset condition in the TFCS to perform data transmission according to an overpower evaluation result for each TFC.
  • the over-power evaluation module according to the uplink transmit power for each TFC of the TFCS been power estimator comprises: a power over the uplink transmit power P m evaluation module according to the measured, by Power evaluation of each TFC in the TFCS,
  • TFC (x) represents the xth TFC to be evaluated in the TFCS
  • P m is the uplink when the mth TFC is used to transmit data in the TFCS
  • Transmit power The square value of the DPCCH gain factor for the current TFC (m) ;
  • the square value of the DPDCH gain factor for the current TFC (m) The squared value of the DPCCH gain factor for the TFC (x) to be evaluated;
  • the squared value of the DPDCH gain factor For the TFC (x) to be evaluated, the squared value of the DPDCH gain factor.
  • the device further includes a storage module, configured to store an overpower evaluation result of each TFC to an overpower evaluation result queue corresponding to the TFC; wherein the overpower evaluation result queue is a circular queue or a FIFO queue .
  • the TFC selection module selects, according to the stored over-power evaluation result of each TFC, the TFC that meets the preset condition in the TFCS for data transmission, where the TFC selection module is configured according to each TFC stored.
  • the over-power evaluation result and the state transition criterion are used to determine the state of each TFC in the TFCS, select the TFC whose state is the support state, and select the TFC that meets the preset condition from the TFC whose state is the supported state. send.
  • the preset condition is that the amount of data that the TFC can carry is less than or equal to the amount of data to be currently sent, and is closest to the amount of data currently to be sent.
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program for performing a selection method of the TFC of the embodiment of the present invention.
  • the method, device, and storage medium for selecting a TFC according to an embodiment of the present invention measuring current uplink transmit power; performing overpower estimation on each TFC in the TFCS according to the uplink transmit power; and evaluating the overpower of each TFC according to the uplink transmit power
  • the TFC in the TFCS that satisfies the preset condition is selected for data transmission.
  • the power state of the TFC can be evaluated dynamically and in real time, and the situation that the excessively large TFC is selected in the TFC selection process and the UE sends abnormal data occurs, thereby improving the service performance of the DPDCH.
  • FIG. 1 is a schematic flowchart of a method for selecting a TFC according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of state transition of a TFC according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a method for selecting a TFC according to Embodiment 2 of the present invention.
  • FIG. 4 is a schematic structural diagram of a device for selecting a TFC according to an embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of a method for selecting a TFC according to an embodiment of the present invention. As shown in FIG. 1 , a method for selecting a TFC in this embodiment includes:
  • Step 101 Measure a current uplink transmit power.
  • the uplink transmission power can be periodically measured by using an existing measurement method
  • the step includes: periodically measuring the actual transmit power P m of the uplink under the current TFC (m) ; wherein the measurement period may be one time slot;
  • TFC (m) indicates that the mth TFC transmission data in the TFCS is currently used, and the value range of m is [0, x], and m is a positive integer;
  • ⁇ cm is the gain factor of the DPCCH under the current TFC (m) ;
  • ⁇ dm is the gain factor of the DPDCH under the current TFC (m) ;
  • the value can be obtained by the network configuration, that is, it is allocated by the network or calculated by the UE according to a specific formula;
  • the K m is a coefficient between the squared value of the gain factor and the transmit power under the current TFC (m) ;
  • For the power of the DPCCH The power for the DPDCH.
  • Step 102 Perform an over-power evaluation on each TFC in the TFCS according to the measured uplink transmit power.
  • the uplink transmit power is P x ;
  • TFC (x) represents the xth TFC to be evaluated in the TFCS, and the range of values of x is determined by the network allocation;
  • TPC (x) to be evaluated the squared value of the DPCCH gain factor, ⁇ cx is the gain factor of the DPCCH under the TFC (x) to be evaluated;
  • TCF (x) to be evaluated the squared value of the DPDCH gain factor, ⁇ dx is the gain factor of the DPDCH under the TFC (x) to be evaluated; and
  • the value can be obtained by the network configuration, that is, it is allocated by the network or calculated by the UE according to a specific formula;
  • K x is the coefficient between the squared value of the gain factor and the transmit power under the TFC (x) to be evaluated;
  • DPCCH The power of the DPDCH under the TFC (x) to be evaluated;
  • the method further includes: storing an overpower evaluation result of each TFC to an overpower evaluation result queue corresponding to the TFC, that is, storing the TFC in the TFCS. power to the evaluation result P x TFC (x) corresponding to overpower the evaluation results in the queues (X); here, the evaluation result queue may overpower as a circular queue or FIFO queue; the circular queue or FIFO queue
  • the storage method requires the ability to save several recent evaluation results;
  • the circular queue may store n overpower evaluation results, n is a positive integer, and the index i indicates the ith overpower estimation result, that is, the latest overpower evaluation.
  • Result when n ⁇ i ⁇ 2n, store the i-th over-power evaluation result to the position of the earliest stored over-power evaluation result in the current loop queue, that is, the position of the index in in the loop queue, replacing the current loop queue The earliest stored overpower evaluation result; when 2n ⁇ i ⁇ 3n, the i-th overpower evaluation result is stored to the position of the earliest stored overpower evaluation result in the current loop queue, that is, the index i- in the loop queue.
  • the position of 2n replaces the earliest stored overpower evaluation result in the current loop queue; and so on, when sn ⁇ i ⁇ (s+1)n, s is a positive integer, the i-th overpower evaluation result is stored.
  • the position of the earliest stored overpower evaluation result in the current loop queue that is, the position of the index i-sn in the loop queue, replacing the earliest stored overpower evaluation result in the current loop queue;
  • the circular queue may store n overpower evaluation results, n is a positive integer, and the index i indicates the ith overpower estimation result, that is, the latest overpower evaluation. As a result, when i>n, the earliest stored overpower evaluation result in the current FIFO queue is deleted.
  • Step 103 Select, according to an overpower evaluation result of each TFC, a TFC that meets a preset condition in the TFCS to perform data transmission.
  • This step includes: based on the stored overpower evaluation results and state transition criteria of each TFC, Performing a state judgment on each TFC in the TFCS, selecting a TFC whose state is a supported state, and selecting a TFC that satisfies a preset condition from a TFC whose state is a supported state, and satisfying a preset condition according to the foregoing
  • the TFC performs an uplink UL DPDCH group packet and sends the data packet for data delivery; wherein the amount of data that the TFC that satisfies the preset condition can bear is less than or equal to the amount of data to be sent, and the data to be sent currently.
  • the quantity is the closest;
  • the state of the TFC includes: a support state, an over power state, and a power blocking state;
  • the state transition criteria include: a constraint criterion, a blocking criterion, and a recovery criterion;
  • the constraint criterion is: in the last Y measurement periods of the TFC, if the X-time over-power evaluation result is greater than the maximum transmission power, the TFC enters an over-power state;
  • the blocking criterion is: the duration of the TFC in the overpower state reaches the time T, and the TFC enters the blocking state; wherein the time length T is determined by the longest transmission time interval (TTI, Transmission Time Interval), the number of times of the voice coding mode switching Wait for a decision;
  • TTI Transmission Time Interval
  • the recovery criterion is: if the overpower estimation result in the last Z measurement periods of the TFC is less than the maximum transmission power, the TFC enters the support state;
  • FIG. 2 is a schematic diagram of the state transition of the TFC.
  • the TFC when the TFC is in the support state, if the constraint criterion satisfies the condition, the over-power state is entered; if the congestion criterion in the over-power state satisfies the condition, the barrier state is entered; If the recovery criterion in the over-power state satisfies the condition, the support state is entered; if the recovery criterion in the blocked state meets the requirement, the support state is entered.
  • FIG. 3 is a schematic flowchart of a method for selecting a TFC according to Embodiment 2 of the present invention. As shown in FIG. 3, the method for selecting a TFC in this embodiment includes:
  • Step 301 Measure a current uplink transmit power.
  • the uplink transmission power can be periodically measured by using an existing measurement method
  • the step includes: periodically measuring the actual transmit power P m of the uplink under the current TFC (m) ; the measurement period is one time slot.
  • Step 302 Perform an over-power evaluation on each TFC in the TFCS according to the measured current uplink transmit power, and store the over-power evaluation result.
  • the performing power evaluation for each TFC in the TFCS according to the uplink transmit power includes: passing the measured uplink transmit power P m according to the measured Power evaluation for each TFC in the TFCS:
  • TFC (x) represents the xth TFC to be evaluated in the TFCS, and the value range of x is determined by the network allocation
  • P m is the current use TFCS
  • the square value of the DPCCH gain factor for the current TFC (m) The square value of the DPDCH gain factor for the current TFC (m) ;
  • the value can be obtained by the network configuration, that is, it is allocated by the network or calculated by the UE according to a specific formula;
  • the evaluation result of the over-power comprising: a power storage over TFC evaluation result to each of the TFC corresponding to overpower evaluation result queue, i.e., the evaluation result is stored in the TFCS TFC (x) P x to the TFC (x) a corresponding queue of overpower evaluation results;
  • the queue of overpower evaluation results may be a cyclic queue or a FIFO queue; the storage manner of the circular queue or FIFO queue is required to be able to save several recent evaluation results;
  • the circular queue may store n overpower evaluation results, n is a positive integer, and the index i indicates the ith overpower estimation result, that is, the latest overpower evaluation.
  • n is a positive integer
  • the index i indicates the ith overpower estimation result, that is, the latest overpower evaluation.
  • the i-th overpower evaluation result is stored.
  • the position of the earliest stored overpower evaluation result in the current loop queue that is, the position of the index in in the loop queue, replacing the earliest stored overpower evaluation result in the current loop queue.
  • the i When 2n ⁇ i ⁇ 3n, the i will be i
  • the over-power evaluation result is stored in the position of the earliest stored over-power evaluation result in the current loop queue, that is, the position of the index i-2n in the loop queue, and replaces the earliest stored over-power evaluation result in the current loop queue.
  • sn ⁇ i ⁇ (s+1)n s is a positive integer
  • the i-th overpower evaluation result is stored to the position of the earliest stored overpower evaluation result in the current loop queue, that is, in the loop queue. Indexing the position of i-sn, replacing the earliest stored overpower evaluation result in the current loop queue;
  • the circular queue may store n overpower evaluation results, n is a positive integer, and the index i indicates the ith overpower estimation result, that is, the latest overpower evaluation. As a result, when i>n, the earliest stored overpower evaluation result in the current FIFO queue is deleted.
  • Step 303 Perform state determination on each TFC in the TFCS.
  • the step includes: performing state determination on each TFC in the TFCS according to an overpower evaluation result and a state transition criterion for each TFC;
  • the state includes: a support state, an over power state, and a power blocking state;
  • the state transition criteria include: a constraint criterion, a blocking criterion, and a recovery criterion;
  • the constraint criterion is: in the last Y measurement periods of the TFC, if the X-time over-power evaluation result is greater than the maximum transmission power, the TFC enters an over-power state;
  • the blocking criterion is: the duration of the TFC in the overpower state reaches the time T, and the TFC enters the blocking state; wherein the time length T is determined by the longest TTI, the number of times of the voice coding mode switching, and the like;
  • the recovery criterion is: if the overpower estimation result in the last Z measurement periods of the TFC is less than the maximum transmission power, the TFC enters the support state;
  • the power state is entered; If the blocking criterion meets the condition in the power state, the blocking state is entered; if the recovery criterion in the overpower state satisfies the condition, the supporting state is entered; if the recovery criterion in the blocked state meets the requirement, the supporting state is entered;
  • Step 304 Select a TFC that meets a preset condition according to a state judgment result of each TFC in the TFCS, and perform data transmission according to the TFC group UL DPDCH packet that meets the preset condition.
  • the selecting the TFC that satisfies the preset condition according to the state judgment result of each TFC in the TFCS includes: selecting the TFC whose state is the support state according to the state judgment result of each TFC in the TFCS, and the slave state is Selecting a TFC that satisfies a preset condition in the TFC of the support state; wherein the amount of data that the TFC that satisfies the preset condition can bear is less than or equal to the amount of data to be currently sent, and the amount of data to be sent is the most Close.
  • the composition of the TFC selection device of the embodiment of the present invention includes: a measurement module 41, an overpower evaluation module 42, and a TFC selection module 43; ,
  • the measuring module 41 is configured to measure a current uplink transmit power
  • the overpower evaluation module 42 is configured to perform an overpower evaluation on each TFC in the TFCS according to the uplink transmit power.
  • the TFC selection module 43 is configured to select a TFC that meets a preset condition in the TFCS to perform data transmission according to an overpower evaluation result for each TFC;
  • the amount of data that can be carried by the TFC that meets the preset condition is greater than or equal to the amount of data to be currently sent, and is closest to the amount of data to be sent currently;
  • the measurement module 41 measures the current uplink transmit power, and the measurement module 41 periodically measures the actual transmit power P m of the uplink under the current TFC (m) ; wherein the measurement period may be One time slot.
  • the evaluation module 42 through the power of the uplink transmit power according to each TFC been TFCS power estimator comprises: a power over the evaluation module 42 according to the measured current uplink transmit power P m, by Power evaluation for each TFC in the TFCS:
  • TFC (x) represents the xth TFC to be evaluated in the TFCS, and the value range of x is determined by the network allocation
  • P m is the current use TFCS
  • the uplink transmit power when the mth TFC transmits data the value range of m is [1, x], and m is a positive integer
  • ⁇ cm is the gain factor of the DPCCH under the current TFC (m)
  • ⁇ dm is the gain factor of the DPDCH under the current TFC (m)
  • the squared value of the DPDCH gain factor, ⁇ dm is the gain factor of the DPDCH under the current TFC (m)
  • the squared value of the DPCCH gain factor, ⁇ cx is the gain factor of the DPCCH under the TFC (x) to be evaluated
  • the squared value of the DPCCH gain factor ⁇ cx is the gain factor of the DPCCH under the TFC (x) to be evaluated
  • the apparatus further includes a storage module 44 configured to store an overpower evaluation result of each TFC to an overpower evaluation result queue corresponding to the TFC, that is, to store an evaluation result under TFC (x) in the TFCS.
  • P x to the TFC (x) corresponding to the evaluation result queue overpower here, the evaluation result queue may overpower as a circular queue or FIFO queue; storage of the circular queue or FIFO queue can hold a number of recent requirements Evaluation result;
  • the circular queue may store n overpower evaluation results, n is a positive integer, and the index i indicates the ith overpower evaluation result, that is, the most The result of the over-power evaluation in the past time, when n ⁇ i ⁇ 2n, the i-th over-power evaluation result is stored to the position of the earliest stored over-power evaluation result in the current loop queue, that is, the position of the index in the loop queue. , replacing the earliest stored overpower evaluation result in the current loop queue.
  • the circular queue may store n overpower evaluation results, n is a positive integer, and the index i indicates the ith overpower estimation result, that is, the latest overpower evaluation. As a result, when i>n, the earliest stored overpower evaluation result in the current FIFO queue is deleted.
  • the TFC selection module 43 selects, according to the stored over-power evaluation result of each TFC, the TFC in the TFCS that meets the preset condition for data transmission, including:
  • the TFC selection module 43 determines the state of each TFC in the TFCS according to the stored overpower evaluation result and the state transition criterion of each TFC, and selects the state of the TFC as the supported state TFC, and the slave state is Selecting a TFC that satisfies a preset condition, and performing a UL DPDCH group packet according to the TFC that meets the preset condition, and transmitting for data delivery; wherein the TFC that satisfies the preset condition can be carried
  • the amount of data is less than or equal to the amount of data currently to be transmitted, and is closest to the amount of data currently to be transmitted;
  • the state of the TFC includes: a support state, an over power state, and a power blocking state;
  • the state transition criteria include: a constraint criterion, a blocking criterion, and a recovery criterion;
  • the constraint criterion is: in the last Y measurement periods of the TFC, if the X-time over-power evaluation result is greater than the maximum transmission power, the TFC enters an over-power state;
  • the blocking criterion is: the duration of the TFC in the overpower state reaches the time T, and the TFC enters the blocking state; wherein the time length T is determined by the TTI, the number of times of the voice coding mode switching, and the like;
  • the recovery criterion is: if the overpower estimation result in the last Z measurement periods of the TFC is less than the maximum transmission power, the TFC enters the support state;
  • the power state is entered; if the blocking criterion in the overpower state satisfies the condition, the blocking state is entered; if the recovery criterion in the overpower state satisfies the condition, the supporting state is entered; If the recovery criteria in the blocking state meets the requirements, then the support state is entered.
  • the measurement module, the overpower evaluation module, and the TFC selection module in the selection device of the TFC proposed in the embodiment of the present invention may be implemented by a processor, and may also be implemented by a specific logic circuit; wherein the processor may be a mobile a processor on a terminal or a server.
  • the processor may be a central processing unit (CPU), a microprocessor (MPU), a digital signal processor (DSP), or a field programmable gate array (FPGA);
  • the storage module can be implemented by a storage device, such as a hard disk.
  • the selection method of the TFC described above is implemented in the form of a software function module and sold or used as a stand-alone product, it may also be stored in a computer readable storage medium.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • the embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program for performing the selection method of the TFC according to the embodiment of the present invention.

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Abstract

本发明公开了一种传输格式组合(TFC)的选择方法，包括：测量当前的上行发射功率；依据所述上行发射功率，对TFCS中每个TFC进行过功率评估；依据对每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送。本发明还同时公开了一种TFC的选择装置及存储介质。

Description

一种传输格式组合的选择方法、装置及存储介质 技术领域
本发明涉及宽带码分多址(WCDMA，Wideband Code Division Multiple Access)上行链路中传输的相关技术，尤其涉及一种传输格式组合(TFC，Transport Format Combination)的选择方法、装置及存储介质。
背景技术
与第二代(2G)的无线接入系统相比，第三代(3G)的无线接入系统中引入了一个新的概念：编码组合传输信道(CCTrCH，Coded Composite Transport Channel)，所谓CCTrCH由多个传输信道(TrCH，Transport Channel)组合而成，在每个传输信道中，包含多种传输格式(TF，Transport Format)；在一个CCTrCH中，各传输信道的各传输格式依据约定关系组合成一个传输格式组合集(TFCS，Transport Format Combination Set)，TFCS中的一个元素是TFC。
目前，WCDMA协议中只是规定了用户设备(UE，User Equipment)在专用物理数据信道(DPDCH，Dedicated Physical Data Channel)业务过程中，每次的数据传输，都需依据当前的发射功率对各个TFC做功率评估，以避免TFC选择过程中选择到功率过大的TFC而导致UE发送数据异常，但并没有描述具体实现方法。
发明内容
有鉴于此，本发明实施例期望提供一种TFC的选择方法、装置及存储介质，能提高DPDCH的业务性能。
为达到上述目的，本发明实施例的技术方案是这样实现的：
本发明实施例提供了一种TFC的选择方法，所述方法包括：
测量当前的上行发射功率；
依据所述上行发射功率对TFCS中每个TFC进行过功率评估；
依据对每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送。
上述方案中，所述依据所述上行发射功率对TFCS中每个TFC进行过功率评估包括：依据测得的上行发射功率Pm，通过
Figure PCTCN2014093253-appb-000001
对TFCS中每个TFC进行过功率评估；
其中，Px为TFC(x)下，上行链路评估的发射功率，TFC(x)表示TFCS中第x个待评估的TFC；Pm为当前使用TFCS中第m个TFC传输数据时的上行发射功率；
Figure PCTCN2014093253-appb-000002
为当前TFC(m)下，专用物理控制信道(DPCCH，Dedicated Physical Control Channel)增益因子的平方值；
Figure PCTCN2014093253-appb-000003
为当前TFC(m)下，DPDCH增益因子的平方值；
Figure PCTCN2014093253-appb-000004
为待评估TFC(x)下，DPCCH增益因子的平方值；
Figure PCTCN2014093253-appb-000005
为待评估TFC(x)下，DPDCH增益因子的平方值。
上述方案中，所述对TFCS中每个TFC进行过功率评估之后，所述方法还包括：存储每个TFC的过功率评估结果至所述TFC对应的过功率评估结果队列；其中，所述过功率评估结果队列为循环队列或先入先出(FIFO，First In First Out)队列。
上述方案中，所述依据对每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送包括：依据存储的每个TFC的过功率评估结果及状态迁移准则，对所述TFCS中的每个TFC进行状态判断，选出状态为支持态的TFC，并从状态为支持态的TFC中选出满足预设条件的TFC进行数据发送。
上述方案中，所述预设条件为：TFC能够承载的数据量小于或等于当 前要发送的数据量，且与所述当前要发送的数据量最接近。
本发明实施例还提供了一种TFC的选择装置，所述装置包括：测量模块、过功率评估模块、TFC选择模块；其中，
所述测量模块，配置为测量当前的上行发射功率；
所述过功率评估模块，配置为依据所述上行发射功率对TFCS中每个TFC进行过功率评估；
所述TFC选择模块，配置为依据对每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送。
上述方案中，所述过功率评估模块依据所述上行发射功率对TFCS中每个TFC进行过功率评估包括：所述过功率评估模块依据测得的上行发射功率Pm，通过
Figure PCTCN2014093253-appb-000006
对TFCS中每个TFC进行过功率评估，
其中，Px为TFC(x)下，上行链路评估的发射功率，TFC(x)表示TFCS中第x个待评估的TFC；Pm为当前使用TFCS中第m个TFC传输数据时的上行发射功率；
Figure PCTCN2014093253-appb-000007
为当前TFC(m)下，DPCCH增益因子的平方值；
Figure PCTCN2014093253-appb-000008
为当前TFC(m)下，DPDCH增益因子的平方值；
Figure PCTCN2014093253-appb-000009
为待评估TFC(x)下，DPCCH增益因子的平方值；
Figure PCTCN2014093253-appb-000010
为待评估TFC(x)下，DPDCH增益因子的平方值。
上述方案中，所述装置还包括存储模块，配置为存储每个TFC的过功率评估结果至所述TFC对应的过功率评估结果队列；其中，所述过功率评估结果队列为循环队列或FIFO队列。
上述方案中，所述TFC选择模块依据存储的每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送包括：所述TFC选择模块依据存储的每个TFC的过功率评估结果及状态迁移准则，对所述TFCS中的每个TFC进行状态判断，选出状态为支持态的TFC，并从状态为支持态的TFC中选出满足预设条件的TFC进行数据发送。
上述方案中，所述预设条件为：TFC能够承载的数据量小于或等于当前要发送的数据量，且与所述当前要发送的数据量最接近。
本发明实施例还提供了一种计算机存储介质，所述计算机存储介质存储有计算机程序，该计算机程序用于执行本发明实施例TFC的选择方法。
本发明实施例所提供的TFC的选择方法、装置及存储介质，测量当前的上行发射功率；依据所述上行发射功率对TFCS中每个TFC进行过功率评估；依据对每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送。如此，可以动态并实时地评估TFC的功率状态，避免TFC选择过程中选择到功率过大的TFC而导致UE发送数据异常的情况发生，从而提高DPDCH的业务性能。
附图说明
图1为本发明实施例一TFC的选择方法流程示意图；
图2为本发明实施例TFC的状态迁移示意图；
图3为本发明实施例二TFC的选择方法流程示意图；
图4为本发明实施例TFC的选择装置的组成结构示意图。
具体实施方式
图1为本发明实施例一TFC的选择方法流程示意图，如图1所示，本实施例TFC的选择方法包括：
步骤101：测量当前的上行发射功率；
这里，可以采用现有测量方法周期性测量上行发射功率；
本步骤包括：周期性的测量当前TFC(m)下，上行链路的实际的发射功率Pm；其中，所述测量周期可以为一个时隙；
Figure PCTCN2014093253-appb-000011
其中，TFC(m)表示当前使用的是TFCS中第m个TFC传输数据，m的 取值范围是[0，x]，m为正整数；
Figure PCTCN2014093253-appb-000012
为当前TFC(m)下，DPCCH增益因子的平方值，βcm为当前TFC(m)下，DPCCH的增益因子；
Figure PCTCN2014093253-appb-000013
为当前TFC(m)下，DPDCH增益因子的平方值，βdm为当前TFC(m)下，DPDCH的增益因子；
Figure PCTCN2014093253-appb-000014
及
Figure PCTCN2014093253-appb-000015
的取值均可由网络端配置获得，即由网络分配或者通过UE依据特定公式计算获得；所述Km为当前TFC(m)下，增益因子平方值与发射功率之间的系数；所述
Figure PCTCN2014093253-appb-000016
为DPCCH的功率，
Figure PCTCN2014093253-appb-000017
为DPDCH的功率。
步骤102：依据测量到的上行发射功率对TFCS中每个TFC进行过功率评估；
这里，所述TFCS中待评估TFC(x)下，上行链路的发射功率为Px；
Figure PCTCN2014093253-appb-000018
Figure PCTCN2014093253-appb-000019
其中，TFC(x)表示TFCS中第x个待评估的TFC，x的取值范围由网络分配决定；
Figure PCTCN2014093253-appb-000020
为待评估TFC(x)下，DPCCH增益因子的平方值，βcx为待评估TFC(x)下，DPCCH的增益因子；
Figure PCTCN2014093253-appb-000021
为待评估TFC(x)下，DPDCH增益因子的平方值，βdx为待评估TFC(x)下，DPDCH的增益因子；
Figure PCTCN2014093253-appb-000022
及
Figure PCTCN2014093253-appb-000023
的取值均可由网络端配置获得，即由网络分配或者通过UE依据特定公式计算获得；Kx为待评估TFC(x)下，增益因子平方值与发射功率之间的系数；
Figure PCTCN2014093253-appb-000024
为待评估TFC(x)下，DPCCH的功率，
Figure PCTCN2014093253-appb-000025
为待评估TFC(x)下，DPDCH的功率；
由公式(1)、(2)、(3)，可得待评估TFC(x)下，上行链路的发射功率Px为：
Figure PCTCN2014093253-appb-000026
当获得的待评估TFC(x)下，Px的值大于最大发射功率时，表明所述TFC(x)为过功率；其中，最大发射功率可由网络端配置获得或通过UE的最大发射 能力获得。
在一实施例中，对TFCS中每个TFC进行过功率评估之后，所述方法还包括：存储每个TFC的过功率评估结果至所述TFC对应的过功率评估结果队列，即存储TFCS中TFC(x)下的过功率评估结果Px至所述TFC(x)对应的过功率评估结果队列；这里，所述过功率评估结果队列可以为循环队列或FIFO队列；所述循环队列或FIFO队列的存储方式要求能够保存若干个最近的评估结果；
当所述过功率评估结果队列为循环队列时，所述循环队列可存储n个过功率评估结果，n为正整数，索引i指示第i次的过功率评估结果，即最近一次的过功率评估结果；当n＜i＜2n时，将第i次的过功率评估结果存储至当前循环队列中最早存入的过功率评估结果的位置，即循环队列中索引i-n的位置，替换当前循环队列中最早存入的过功率评估结果；当2n＜i＜3n时，将第i次的过功率评估结果存储至当前循环队列中最早存入的过功率评估结果的位置，即循环队列中索引i-2n的位置，替换当前循环队列中最早存入的过功率评估结果；以此类推，当sn＜i＜(s+1)n，s为正整数时，将第i次的过功率评估结果存储至当前循环队列中最早存入的过功率评估结果的位置，即循环队列中索引i-sn的位置，替换当前循环队列中最早存入的过功率评估结果；
当所述过功率评估结果队列为FIFO队列时，所述循环队列可存储n个过功率评估结果，n为正整数，索引i指示第i次的过功率评估结果，即最近一次的过功率评估结果，当i＞n时，删除当前FIFO队列中最早存入的过功率评估结果。
步骤103：依据对每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送；
本步骤包括：依据存储的每个TFC的过功率评估结果及状态迁移准则， 对所述TFCS中的每个TFC进行状态判断，选出TFC的状态为支持态的TFC，并从状态为支持态的TFC中选出满足预设条件的TFC，并依据所述满足预设条件的TFC进行上行UL DPDCH组包，并发送以进行数据投递；其中，所述满足预设条件的TFC能够承载的数据量小于或等于当前要发送的数据量，且与所述当前要发送的数据量最接近；
这里，所述TFC的状态包括：支持态、过功率态、功率阻塞态；
所述状态迁移准则包括：受限准则、阻塞准则、恢复准则；其中，
所述受限准则为：TFC的最近Y个测量周期内，有X次的过功率评估结果大于最大传输功率，则所述TFC进入过功率态；
所述阻塞准则为：TFC处于过功率态的持续时长达到时间T，则所述TFC进入阻塞态；其中，时间长度T由最长传输时间间隔(TTI，Transmission Time Interval)、语音编码模式切换次数等决定；
所述恢复准则为：TFC的最近Z个测量周期内的过功率评估结果都小于最大传输功率，则所述TFC进入支持态；
优选的，本实施例中所述X＝15、Y＝30、Z＝30。
图2为TFC的状态迁移示意图，如图2所示，当TFC处于支持态时，如果受限准则满足条件，则进入过功率态；如果过功率态下阻塞准则满足条件，则进入阻塞态；如果过功率态下恢复准则满足条件，则进入支持态；如果阻塞态下恢复准则满足要求，则进入支持态。
图3为本发明实施例二TFC的选择方法流程示意图，如图3所示，本实施例TFC的选择方法包括：
步骤301：测量当前的上行发射功率；
这里，可以采用现有测量方法周期性测量上行发射功率；
本步骤包括：周期性的测量当前TFC(m)下，上行链路的实际的发射功率Pm；所述测量周期为一个时隙。
步骤302：依据测量到的当前上行发射功率，对TFCS中每个TFC进行过功率评估，并存储所述过功率评估结果；
这里，所述依据所述上行发射功率，对TFCS中每个TFC进行过功率评估包括：依据测得的上行发射功率Pm，通过
Figure PCTCN2014093253-appb-000027
对TFCS中每个TFC进行过功率评估：
其中，Px为TFC(x)下，上行链路的发射功率，TFC(x)表示TFCS中第x个待评估的TFC，x的取值范围由网络分配决定；Pm为当前使用TFCS中第m个TFC传输数据时的上行发射功率，m的取值范围是[0，x]，m为正整数；
Figure PCTCN2014093253-appb-000028
为当前TFC(m)下，DPCCH增益因子的平方值；
Figure PCTCN2014093253-appb-000029
为当前TFC(m)下，DPDCH增益因子的平方值；
Figure PCTCN2014093253-appb-000030
为待评估TFC(x)下，DPCCH增益因子的平方值；
Figure PCTCN2014093253-appb-000031
为待评估TFC(x)下，DPDCH增益因子的平方值；
Figure PCTCN2014093253-appb-000032
Figure PCTCN2014093253-appb-000033
及
Figure PCTCN2014093253-appb-000034
的取值均可由网络端配置获得，即由网络分配或者通过UE依据特定公式计算获得；
当获得的待评估TFC(x)下，Px的值大于最大发射功率时，表明所述TFC(x)为过功率；其中，最大发射功率可由网络端配置获得或通过UE的最大发射能力获得；
所述存储所述过功率评估结果包括：存储每个TFC的过功率评估结果至所述TFC对应的过功率评估结果队列，即存储TFCS中TFC(x)下的评估结果Px至所述TFC(x)对应的过功率评估结果队列；这里，所述过功率评估结果队列可以为循环队列或FIFO队列；所述循环队列或FIFO队列的存储方式要求能够保存若干个最近的评估结果；
当所述过功率评估结果队列为循环队列时，所述循环队列可存储n个过功率评估结果，n为正整数，索引i指示第i次的过功率评估结果，即最近一次的过功率评估结果，当n＜i＜2n时，将第i次的过功率评估结果存储 至当前循环队列中最早存入的过功率评估结果的位置，即循环队列中索引i-n的位置，替换当前循环队列中最早存入的过功率评估结果，当2n＜i＜3n时，将第i次的过功率评估结果存储至当前循环队列中最早存入的过功率评估结果的位置，即循环队列中索引i-2n的位置，替换当前循环队列中最早存入的过功率评估结果，以此类推，当sn＜i＜(s+1)n，s为正整数时，将第i次的过功率评估结果存储至当前循环队列中最早存入的过功率评估结果的位置，即循环队列中索引i-sn的位置，替换当前循环队列中最早存入的过功率评估结果；
当所述过功率评估结果队列为FIFO队列时，所述循环队列可存储n个过功率评估结果，n为正整数，索引i指示第i次的过功率评估结果，即最近一次的过功率评估结果，当i＞n时，删除当前FIFO队列中最早存入的过功率评估结果。
步骤303：对所述TFCS中的每个TFC进行状态判断；
本步骤包括：依据对每个TFC的过功率评估结果及状态迁移准则，对所述TFCS中的每个TFC进行状态判断；
这里，所述状态包括：支持态、过功率态、功率阻塞态；
所述状态迁移准则包括：受限准则、阻塞准则、恢复准则；其中，
所述受限准则为：TFC的最近Y个测量周期内，有X次的过功率评估结果大于最大传输功率，则所述TFC进入过功率态；
所述阻塞准则为：TFC处于过功率态的持续时长达到时间T，则所述TFC进入阻塞态；其中，时间长度T由最长TTI、语音编码模式切换次数等决定；
所述恢复准则为：TFC的最近Z个测量周期内的过功率评估结果都小于最大传输功率，则所述TFC进入支持态；
当TFC处于支持态时，如果受限准则满足条件，则进入过功率态；如 果过功率态下阻塞准则满足条件，则进入阻塞态；如果过功率态下恢复准则满足条件，则进入支持态；如果阻塞态下恢复准则满足要求，则进入支持态；
优选的，本实施例中所述X＝15、Y＝30、Z＝30。
步骤304：依据对TFCS中每个TFC的状态判断结果，选择满足预设条件的TFC，并依据所述满足预设条件的TFC组UL DPDCH包进行数据发送；
这里，所述依据对TFCS中每个TFC的状态判断结果，选择满足预设条件的TFC包括：依据对TFCS中每个TFC的状态判断结果，选出状态为支持态的TFC，并从状态为支持态的TFC中选出满足预设条件的TFC；其中，所述满足预设条件的TFC能够承载的数据量小于或等于当前要发送的数据量，且与所述当前要发送的数据量最接近。
图4为本发明实施例TFC的选择装置的组成结构示意图，如图4所示，本发明实施例TFC的选择装置的组成包括：测量模块41、过功率评估模块42及TFC选择模块43；其中，
所述测量模块41，配置为测量当前的上行发射功率；
所述过功率评估模块42，配置为依据所述上行发射功率对TFCS中每个TFC进行过功率评估；
所述TFC选择模块43，配置为依据对每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送；
其中，所述满足预设条件的TFC能够承载的数据量大于或等于当前要发送的数据量，且与所述当前要发送的数据量最接近；
这里，所述测量模块41测量当前的上行发射功率包括：所述测量模块41周期性的测量当前TFC(m)下，上行链路的实际的发射功率Pm；其中，所述测量周期可以为一个时隙。
在一实施例中，所述过功率评估模块42依据所述上行发射功率对TFCS中每个TFC进行过功率评估包括：所述过功率评估模块42依据测得的当前上行发射功率Pm，通过
Figure PCTCN2014093253-appb-000035
对TFCS中每个TFC进行过功率评估：
其中，Px为TFC(x)下，上行链路的发射功率，TFC(x)表示TFCS中第x个待评估的TFC，x的取值范围由网络分配决定；Pm为当前使用TFCS中第m个TFC传输数据时的上行发射功率，m的取值范围是[1，x]，m为正整数；
Figure PCTCN2014093253-appb-000036
为当前TFC(m)下，DPCCH增益因子的平方值，βcm为当前TFC(m)下，DPCCH的增益因子；
Figure PCTCN2014093253-appb-000037
为当前TFC(m)下，DPDCH增益因子的平方值，βdm为当前TFC(m)下，DPDCH的增益因子；
Figure PCTCN2014093253-appb-000038
为待评估TFC(x)下，DPCCH增益因子的平方值，βcx为待评估TFC(x)下，DPCCH的增益因子；
Figure PCTCN2014093253-appb-000039
为待评估TFC(x)下，DPDCH增益因子的平方值，βdx为待评估TFC(x)下，DPDCH的增益因子；
Figure PCTCN2014093253-appb-000040
及
Figure PCTCN2014093253-appb-000041
的取值均可由网络端配置获得，即由网络分配或者通过UE依据特定公式计算获得；
当获得的待评估TFC(x)下，Px的值大于最大发射功率时，表明所述TFC(x)为过功率；其中，最大发射功率可由网络端配置获得或通过UE的最大发射能力获得。
在一实施例中，所述装置还包括存储模块44，配置为存储每个TFC的过功率评估结果至所述TFC对应的过功率评估结果队列，即存储TFCS中TFC(x)下的评估结果Px至所述TFC(x)对应的过功率评估结果队列；这里，所述过功率评估结果队列可以为循环队列或FIFO队列；所述循环队列或FIFO队列的存储方式要求能够保存若干个最近的评估结果；
当所述过功率评估结果队列为循环队列时，所述循环队列可存储n个过功率评估结果，n为正整数，索引i指示第i次的过功率评估结果，即最 近一次的过功率评估结果，当n＜i＜2n时，将第i次的过功率评估结果存储至当前循环队列中最早存入的过功率评估结果的位置，即循环队列中索引i-n的位置，替换当前循环队列中最早存入的过功率评估结果，当2n＜i＜3n时，将第i次的过功率评估结果存储至当前循环队列中最早存入的过功率评估结果的位置，即循环队列中索引i-2n的位置，替换当前循环队列中最早存入的过功率评估结果，以此类推，当sn＜i＜(s+1)n，s为正整数时，将第i次的过功率评估结果存储至当前循环队列中最早存入的过功率评估结果的位置，即循环队列中索引i-sn的位置，替换当前循环队列中最早存入的过功率评估结果；
当所述过功率评估结果队列为FIFO队列时，所述循环队列可存储n个过功率评估结果，n为正整数，索引i指示第i次的过功率评估结果，即最近一次的过功率评估结果，当i＞n时，删除当前FIFO队列中最早存入的过功率评估结果。
在一实施例中，所述TFC选择模块43依据存储的每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送包括：
所述TFC选择模块43依据存储的每个TFC的过功率评估结果及状态迁移准则，对所述TFCS中的每个TFC进行状态判断，选出TFC的状态为支持态的TFC，并从状态为支持态的TFC中选出满足预设条件的TFC，并依据所述满足预设条件的TFC进行UL DPDCH组包，并发送以进行数据投递；其中，所述满足预设条件的TFC能够承载的数据量小于或等于当前要发送的数据量，且与所述当前要发送的数据量最接近；
这里，所述TFC的状态包括：支持态、过功率态、功率阻塞态；
所述状态迁移准则包括：受限准则、阻塞准则、恢复准则；其中，
所述受限准则为：TFC的最近Y个测量周期内，有X次的过功率评估结果大于最大传输功率，则所述TFC进入过功率态；
所述阻塞准则为：TFC处于过功率态的持续时长达到时间T，则所述TFC进入阻塞态；其中，时间长度T由TTI、语音编码模式切换次数等决定；
所述恢复准则为：TFC的最近Z个测量周期内的过功率评估结果都小于最大传输功率，则所述TFC进入支持态；
优选的，本实施例中所述X＝15、Y＝30、Z＝30；
当TFC处于支持态时，如果受限准则满足条件，则进入过功率态；如果过功率态下阻塞准则满足条件，则进入阻塞态；如果过功率态下恢复准则满足条件，则进入支持态；如果阻塞态下恢复准则满足要求，则进入支持态。
本发明实施例中提出的TFC的选择装置中的测量模块、过功率评估模块及TFC选择模块都可以通过处理器来实现，当然也可通过具体的逻辑电路实现；其中所述处理器可以是移动终端或服务器上的处理器，在实际应用中，处理器可以为中央处理器(CPU)、微处理器(MPU)、数字信号处理器(DSP)或现场可编程门阵列(FPGA)等；所述存储模块可以通过存储设备实现，如硬盘等。
本发明实施例中，如果以软件功能模块的形式实现上述TFC的选择方法，并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明实施例的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机、服务器、或者网络设备等)执行本发明各个实施例所述方法的全部或部分。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read Only Memory，ROM)、磁碟或者光盘等各种可以存储程序代码的介质。这样，本发明实施例不限制于任何特定的硬件和软件结合。
相应地，本发明实施例还提供一种计算机存储介质，该计算机存储介质中存储有计算机程序，该计算机程序用于执行本发明实施例的上述TFC的选择方法。
以上所述仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围。

Claims (11)

  1. 一种传输格式组合TFC的选择方法，所述方法包括：
    测量当前的上行发射功率；
    依据所述上行发射功率对传输模式组合集TFCS中每个TFC进行过功率评估；
    依据对每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送。
  2. 根据权利要求1所述方法，其中，所述依据所述上行发射功率对TFCS中每个TFC进行过功率评估包括：依据测得的上行发射功率Pm，通过
    Figure PCTCN2014093253-appb-100001
    对TFCS中每个TFC进行过功率评估；
    其中，Px为TFC(x)下，上行链路评估的发射功率，TFC(x)表示TFCS中第x个待评估的TFC；Pm为当前使用TFCS中第m个TFC传输数据时的上行发射功率；
    Figure PCTCN2014093253-appb-100002
    为当前TFC(m)下，专用物理控制信道DPCCH增益因子的平方值；
    Figure PCTCN2014093253-appb-100003
    为当前TFC(m)下，专用物理数据信道DPDCH增益因子的平方值；
    Figure PCTCN2014093253-appb-100004
    为待评估TFC(x)下，DPCCH增益因子的平方值；
    Figure PCTCN2014093253-appb-100005
    为待评估TFC(x)下，DPDCH增益因子的平方值。
  3. 根据权利要求1或2所述方法，其中，所述对TFCS中每个TFC进行过功率评估之后，所述方法还包括：存储每个TFC的过功率评估结果至所述TFC对应的过功率评估结果队列；其中，所述过功率评估结果队列为循环队列或先入先出FIFO队列。
  4. 根据权利要求1或2所述方法，其中，所述依据对每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送包括：依据存储的每个TFC的过功率评估结果及状态迁移准则，对所述TFCS中 的每个TFC进行状态判断，选出状态为支持态的TFC，并从状态为支持态的TFC中选出满足预设条件的TFC进行数据发送。
  5. 根据权利要求1或2所述方法，其中，所述预设条件为：TFC能够承载的数据量小于或等于当前要发送的数据量，且与所述当前要发送的数据量最接近。
  6. 一种TFC的选择装置，所述装置包括：测量模块、过功率评估模块、TFC选择模块；其中，
    所述测量模块，配置为测量当前的上行发射功率；
    所述过功率评估模块，配置为依据所述上行发射功率对TFCS中每个TFC进行过功率评估；
    所述TFC选择模块，配置为依据对每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送。
  7. 根据权利要求6所述装置，其中，所述过功率评估模块依据所述上行发射功率对TFCS中每个TFC进行过功率评估包括：所述过功率评估模块依据测得的上行发射功率Pm，通过
    Figure PCTCN2014093253-appb-100006
    对TFCS中每个TFC进行过功率评估，
    其中，Px为TFC(x)下，上行链路评估的发射功率，TFC(x)表示TFCS中第x个待评估的TFC；Pm为当前使用TFCS中第m个TFC传输数据时的上行发射功率；
    Figure PCTCN2014093253-appb-100007
    为当前TFC(m)下，DPCCH增益因子的平方值；
    Figure PCTCN2014093253-appb-100008
    为当前TFC(m)下，DPDCH增益因子的平方值；
    Figure PCTCN2014093253-appb-100009
    为待评估TFC(x)下，DPCCH增益因子的平方值；
    Figure PCTCN2014093253-appb-100010
    为待评估TFC(x)下，DPDCH增益因子的平方值。
  8. 根据权利要求6或7所述装置，其中，所述装置还包括存储模块，配置为存储每个TFC的过功率评估结果至所述TFC对应的过功率评估结果队列；其中，所述过功率评估结果队列为循环队列或FIFO队列。
  9. 根据权利要求6或7所述装置，其中，所述TFC选择模块依据存储的每个TFC的过功率评估结果，选出所述TFCS中满足预设条件的TFC进行数据发送包括：所述TFC选择模块依据存储的每个TFC的过功率评估结果及状态迁移准则，对所述TFCS中的每个TFC进行状态判断，选出状态为支持态的TFC，并从状态为支持态的TFC中选出满足预设条件的TFC进行数据发送。
  10. 根据权利要求6或7所述装置，其中，所述预设条件为：TFC能够承载的数据量小于或等于当前要发送的数据量，且与所述当前要发送的数据量最接近。
  11. 一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，该计算机可执行指令用于执行权利要求1至5任一项所述的TFC的选择方法。
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