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Method and device for TD-SCDMA small business decoding

A technology of TD-SCDMA and decoding devices, which is applied in the field of time division synchronous code division multiple access small service decoding, can solve the problems of low decoding efficiency, complicated processing process, long time, etc., and achieve the effect of improving decoding efficiency

Active Publication Date: 2013-09-18
TD TECH COMM TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for some TD-SCDMA small services, these processing procedures are too complicated, compared with the data volume of small services, the time required to complete the processing is relatively long, so the decoding efficiency is low

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  • Method and device for TD-SCDMA small business decoding
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  • Method and device for TD-SCDMA small business decoding

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Embodiment Construction

[0020] figure 1 It is a flowchart of an embodiment of the TD-SCDMA small service decoding method of the present invention, as shown in the figure, comprising the following steps:

[0021] Step 110, the decoding device acquires key parameters and all CTFCs of the newly accessed user equipment from the RNC.

[0022] Wherein, CTFC refers to a calculated transport format combination value (CalculatedTransportFormatCombination), which is used to identify which format combination of the transport channel is used by the user equipment. A user equipment may have multiple CTFCs for different transmission requirements. For example, assuming that the user equipment wants to multiplex two transport channels, the optional formats of transport channel A are A1, A2, and A3, and the optional formats of transport channel B are B1 and B2, and three CTFCs are pre-configured for the user equipment , the first CTFC is A1+B1, the second CTFC is A1+B2, and the third CTFC is A2+B2.

[0023] Wherei...

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Abstract

The invention provides a method and a device for TD-SCDMA small business decoding. The method comprises the steps that the decoding device acquires key parameters and all CTFC of a new accessed user device from RNC; a decoding comparison table corresponding to each CTFC is built according to the key parameters; and after the decoding device receives a wireless frame associated with the user device on a physical channel, the wireless frame is matched into a data frame on a transmission channel according to the decoding comparison table. According to the invention, a table-look-up mode is adopted to carry out decoding; and a number of decoding processing processes in the existing protocol are replaced, so that the decoding efficiency is improved.

Description

technical field [0001] The invention relates to a Time Division Synchronous Code Division Multiple Access (TimeDivision-Synchronous Code Division Multiple Access, TD-SCDMA for short) small service decoding method and device, belonging to the technical field of TD-SCDMA. Background technique [0002] The decoding process in the TD-SCDMA service refers to decoding the wireless frame received from the physical channel into a data frame that matches the transmission channel, where the physical channel refers to the wireless channel of the physical layer, and the transmission channel refers to the transmission layer. The data channel of the transport layer is logically located on the upper layer of the physical layer. [0003] According to the provisions of the existing agreement, the decoding process of the existing TD-SCDMA service mainly includes: de-physical channel mapping, de-secondary interleaving, de-bit scrambling, de-rate matching and other processing processes. Howeve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00
Inventor 马瑜海庆窦明涛张丽强
Owner TD TECH COMM TECH LTD