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Method and device for selecting transport format combinations

A technology for combining transmission formats and selecting modules, which is applied in the direction of adjustment of transmission methods, transmission systems, and transmission monitoring.

Inactive Publication Date: 2016-01-20
SANECHIPS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the WCDMA protocol only stipulates that during each data transmission of the user equipment (UE, UserEquipment) in the dedicated physical data channel (DPDCH, DedicatedPhysicalDataChannel) business process, each TFC needs to be evaluated according to the current transmission power. Avoid the selection of a TFC with too much power during the TFC selection process and cause the UE to send data abnormally, but does not describe the specific implementation method

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  • Method and device for selecting transport format combinations
  • Method and device for selecting transport format combinations
  • Method and device for selecting transport format combinations

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Embodiment Construction

[0029] figure 1 It is a schematic flow chart of the selection method of TFC in the embodiment of the present invention, such as figure 1 Shown, the selection method of present embodiment TFC comprises:

[0030] Step 101: measure the current uplink transmission power;

[0031] Here, an existing measurement method may be used to periodically measure the uplink transmission power;

[0032] This step specifically includes: periodically measuring the current TFC (m) , the actual transmit power P of the uplink m ; Wherein, the measurement period may be a time slot;

[0033] P m = K m β cm 2 + K m β dm 2 ; - - - ( 1 )

[0034] Among them, TFC (m) Indicates that the mth...

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Abstract

The invention discloses a method and a device for selecting transport format combinations (TFC). The method comprises the following steps: measuring current uplink transmitting power; evaluating overpower of each TFC in TFCS according to the uplink transmitting power; and selecting a TFC satisfying a preset condition in the TFCS according to an overpower evaluation result of each TFC for sending data. The invention further discloses a TFC selection device.

Description

technical field [0001] The present invention relates to the related technology of Wideband Code Division Multiple Access (WCDMA, WidebandCodeDivisionMultipleAccess) uplink transmission, and in particular to a method and device for selecting Transport Format Combination (TFC, TransportFormatCombination). Background technique [0002] Compared with the second generation (2G) wireless access system, the third generation (3G) wireless access system introduces a new concept: Coded Composite Transport Channel (CCTrCH, CodedCompositeTransportChannel), the so-called CCTrCH consists of multiple transmission Channels (TrCH, TransportChannel) are combined, and each transport channel contains multiple transport formats (TF, TransportFormat); in a CCTrCH, the transport formats of each transport channel are combined into a transport format combination set according to the agreed relationship (TFCS, TransportFormatCombinationSet), one element in TFCS is TFC. [0003] At present, the WCDMA...

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Application Information

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IPC IPC(8): H04L1/00H04W52/34
CPCH04L1/0006H04B17/318
Inventor 徐超祥
Owner SANECHIPS TECH CO LTD