METHOD FOR PRODUCING CODEBOOK METHOD AND DEVICE FOR DATA TRANSMISSION

Abstract

A method of generating a codebook and a method and apparatus for data transmission are provided. The data transmission method comprises the steps of receiving a label of a codeword in a codebook for an 8-antenna transmitted by a user equipment (UE); Searching for the codeword identified by the label in the 8-antenna codebook; Coding the data to be transmitted using the codeword; And transmitting the coded data. The 8-antenna codebook includes at least one rank-8 codeword for 8-antenna. The 8-antenna rank-8 codeword is obtained by multiplying the inverse of the 8-antenna rotation matrix by the 8-dimensional matrix formed by the 4-antenna rank-4 codeword, or the 8-4 antenna rank-4 codeword. Is obtained by expanding. The rank-4 codeword for 8-antenna is obtained according to the codeword for 4-antenna. Therefore, the codewords in the 8-antenna codebook are applicable to scenarios including double-polarized strong correlation, double-deviated weak correlation, single-polarized strong correlation, and single-polarized weak correlation.

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WO2010145554A1	4G	20/04/2011	ISLD-201106-001	HUAWEI	S1 TS Number: TS 136 211 Version No: ---- Section No: ---- Release : ---- + -	Yes	Basis Patent
WO2010145554A1	5G	24/12/2017	ISLD-201711-019	HUAWEI	S1 TS Number: TS 138 211 Version No: ---- Section No: Release : ---- S2 TS Number: TS 138 212 Version No: ---- Section No: Release : ---- S3 TS Number: TS 138 213 Version No: ---- Section No: Release : ---- S4 TS Number: TS 138 214 Version No: ---- Section No: Release : ---- S5 TS Number: TS 138 331 Version No: ---- Section No: Release : ---- +4 -4	No	Family Member
CN101931507A	4G	20/04/2011	ISLD-201106-001	HUAWEI	S1 TS Number: TS 136 211 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
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CN101931507B	4G	20/04/2011	ISLD-201106-001	HUAWEI	S1 TS Number: TS 136 211 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
CN101931507B	5G	24/12/2017	ISLD-201711-019	HUAWEI	S1 TS Number: TS 138 211 Version No: ---- Section No: Release : ---- S2 TS Number: TS 138 212 Version No: ---- Section No: Release : ---- S3 TS Number: TS 138 213 Version No: ---- Section No: Release : ---- S4 TS Number: TS 138 214 Version No: ---- Section No: Release : ---- S5 TS Number: TS 138 331 Version No: ---- Section No: Release : ---- +4 -4	Yes	Basis Patent
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Technologies

Resource configuration

Signal Processing

Multiple-Input Multiple-Output(MIMO)/Massive MIMO

Product

Base Station (eNB/gNB)

User Equipment (UE/Terminal)

Use Cases

Wireless communication

Services

Data processing

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