Method for carrying out decode processing

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

Inactive Publication Date: 2009-04-01
HUAWEI TECH CO LTD
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Problems solved by technology

[0049] 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 lucent 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

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specific Embodiment approach

[0119] The implementation scheme of the second embodiment provided by the present invention is to introduce the method of adjusting the step size, and to extract from the four transmission parameter tables with a size of 128 defined by the protocol at fixed intervals. This scheme does not need to add new sheet. Specific implementation methods include:

[0120] Step 201, define E-DCH Transport Block Step Size (E-DCH Transport Block Step Size) information element in E-TFCS information of E-DCH sent by RNC to NodeB and UE, as shown in Table 5 and Table 6.

[0121] Table 5 is the E-TFCS information of the E-DCH issued by the RNC to the NodeB, which is modified as follows:

[0122] IE / Group Name

Presence

Range

IE Type and

Reference Semantics Description

E-DCH Transport Format

Combination Set Index

M

INTEGER(1..4,...)

Indicates which standardized

E-TFCS Transport Block Size

Table shall be ...

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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 communication field, in particular to a decoding processing method. Background technique [0002] 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 following control information is carried in the E-DPCCH: [0003] Retransmission Sequence Number (RSN): xrsn, 1, xrsn, 2 [0004] E-TFCI information (E-DCH transmission format combination indication): xtfci, 1, xtfci, 2, ..., xtfci, 7 [0005] "Happy" bits: xh, 1 [0006] During the communication process, firstly, 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 a wireless channel, The NodeB decodes the information in the E-DPCCH according to the E-TFCS (E-DCH Transport Format Combinat...

Claims

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Application Information

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