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Method for carrying out decode processing

A decoding and dedicated physics technology, applied in the field of decoding processing, can solve the problems of rate limitation and inability to reduce the complexity of E-DPCCH decoding, and achieve the effect of improving decoding speed and simplifying the decoding process

Inactive Publication Date: 2006-11-22
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0046] It can be seen from the above-mentioned technical solutions of the prior art that according to the current agreement, the E-TFCS set of E-DCH must support the complete set of the specified transmission parameter table, and the maximum value of E-TFCI must be supported up to 127, although according to Iucent The CR (bit mapping of E_DPCCH) has changed the bit mapping order, but it still cannot achieve the purpose of reducing the complexity of E-DPCCH decoding, unless the value range of E-TFCI is artificially limited, but a huge rate limit has to be paid

Method used

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specific Embodiment approach

[0110] The implementation of the second embodiment provided by the present invention is as follows: a method of adjusting the step size is introduced, and extraction is performed at fixed intervals from four transmission parameter tables with a size of 128 defined by the protocol. This solution does not require adding new sheet. Specific implementations include:

[0111] Step 201: Define an E-DCH Transport Block Step Size (E-DCH Transport Block Step Size) information element in the E-TFCS information of the E-DCH delivered by the RNC to the NodeB and the UE, as shown in Tables 5 and 6.

[0112] IE / Group Name

Presence

Range

IE Type and

Reference

Semantics Description

E-DCH Transport Format

Combination Set Index

M

INTEGER(1..4,...)

Indicates which standardised

E-TFCS Transport Block Size

Table shall be used. The

related tables are specified in

[ref FFS].

...

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Abstract

The invention relates to a decoding method, which is characterized in that: based on the transmission parameter list defined by system, processing sampling to obtain E-TFCS groups with different sizes; when the base station obtains the E-TFCS information of E-DCH that sent from RNC to NodeB and UE, based on obtained E-TFCS group, decoding the information of special physical control channel E-DPCCH of E-DCH. With said invention, the E-TFCS information of E-DCH can be distributed flexibly, and the decode process of E-DPCCH can be simplified, to improve the decode speed on E-DPCCH, without affecting the ability level of UE.

Description

technical field [0001] The present invention relates to the field of communications, and in particular, to a method for decoding processing. Background technique [0002] The WCDMA R6 version introduces HSUPA (High Speed ​​Uplink Packet Access) technology and adds E-DPCCH (E-DCH dedicated physical control channel) and E-DPDCH (E-DCH dedicated physical data channel) in the uplink. The E-DPCCH carries the following control information: [0003] Retransmission Sequence Number (RSN): xrsn, 1, xrsn, 2 [0004] E-TFCI information (E-DCH Transport Format Combination Indication): xtfci, 1, xtfci, 2, ..., xtfci, 7 "Happy" bits: xh, 1 [0005] In the process of communication, first the UE (user equipment) encodes the control information in the E-DPCCH, and then transmits the encoded information and the data in the E-DPDCH to the (base station) through the wireless channel, The NodeB decodes the information in the E-DPCCH according to the E-TFCS (E-DCH Transport Format Combination S...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04B7/26H04L1/18
Inventor 徐昌平
Owner HUAWEI TECH CO LTD
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