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Transmission format combination set configuring method for WCDMA system

A technology of transmission format combination and wideband code division multiple access, which is applied in the field of WCDMA communication, can solve problems such as inability to make full use of wireless resources, and achieve the effect of high transmission efficiency

Inactive Publication Date: 2004-09-08
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0043] A simple configuration method that conforms to the above principles is to only configure the minimum TFCS set for the UE, but this cannot make full use of wireless resources, because the TFC in the TFCS makes the UE only have one transmission channel for data transmission at any time

Method used

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  • Transmission format combination set configuring method for WCDMA system
  • Transmission format combination set configuring method for WCDMA system
  • Transmission format combination set configuring method for WCDMA system

Examples

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Embodiment Construction

[0066] figure 2 The technical solution process of the present invention is described, including:

[0067] 1.1 Perform a full arrangement of the TFSs of all transmission channels to obtain the TFCS, as shown in 101 in the figure;

[0068] 1.2 Determine whether the number of TFCs in the complete set exceeds the number supported by the UE capability, as shown in 102 in the figure; if yes, go to the next step; if not, output the current TFCS as a result, as in 105 in the figure;

[0069] 1.3 Obtain the minimum TTI value in the transmission channel with non-0TF in the current TFCS, such as 103 in the figure;

[0070] 1.4 Select a TFC with a non-zero TF corresponding to the TTI value from the current TFCS and delete it, as shown in 104 in the figure; then, go to step 1.2.

[0071] image 3 is a flowchart of an embodiment of the present invention. Such as image 3 Shown:

[0072] 1. Completely arrange the TFS of all transmission channels to obtain the complete set of TFCS;

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Abstract

The present invention relates to the transmission format combination set (TFCS) configuration method of distributing transmission to UE in WCDMA system. The present invention first obtains TFCS set via completely arranging all the transmission channels and then deletes or decreases the set in case that the TFC amount in the set exceeds that the UE can support. Each time, one TFC is deleted, which is ensured to be not one part of 'TTI restriction' of any other TFC. The present invention makes it possible to obtain optimal TFCS configuration, which can meet the limitation in maximum TFC number of TTI restriction and UE radio access capacity and has maximum TFC number, resulting in maximum possibility of obtaining highest transmission efficiency.

Description

technical field [0001] The present invention relates to the field of WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access) communication, and specifically relates to assigning a transmission channel to a UE (User Equipment, user equipment) in a WCDMA system related to TFCS (Transport Format Combination Set , method for transport format combination sets). Background technique [0002] In a WCDMA system, communication between a UTRAN (Universal Terrestrial Radio Access Network, Universal Terrestrial Radio Access Network) and a UE is performed on a transport channel, and the transport channel is finally mapped to a physical channel. A UE may have multiple transmission channels at the same time. For a transmission channel, the data bits transmitted thereon are transmission blocks or transmission block sets arriving at a period of a Transmission Timing Interval (TTI, Transmission Timing Interval). [0003] A transport format (TF, Transport Forma...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04B7/26H04J13/00H04W28/06
Inventor 陈磊
Owner ZTE CORP
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