Codebook generating method and apparatus for generating a...

Details Codebook generating method and apparatus for generating a... Codebook generating method and apparatus for generating a...

2008-02-05

2011-11-01

Kim, Kevin (Department: 2611)

Pulse or digital communications

Transmitters

Plural diversity

Reexamination Certificate

active

08050357

ABSTRACT:
A method of generating a codebook for a multiple-input multiple-output (MIMO) system is provided. The codebook generation method includes: assigning a single-polarized preceding matrix to diagonal blocks among a plurality of blocks arranged in a block diagonal format in which a number of diagonal blocks corresponds to a number of polarization directions of transmitting antennas; and assigning a zero matrix to remaining blocks excluding the diagonal blocks.

REFERENCES:
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patent: 10-2006-0047746 (2006-05-01), None
patent: WO 02/054626 (2002-07-01), None
Lee Sang-Yup. et al. “Transmit Antenna Selection for Dual Polarized Channel Using Singular Value Decision,” Korea Information and Communications Society, Sep. 2006, vol. 30, No. 9A, pp. 788-794, ISSN : 1226-4717.
“3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels and modulation (Release 8),”3GPP TS 36.211, 2007, pp. 1-50.
“Precoding for 4-Tx Polarized Antennas,”3GPP TSG RAN WG1 Meeting#48, Feb. 2007, Missori, USA, pp. 1-8.
“Text Proposal for TS36.211 for 4-Tx Antenna SU-MIMO Codebook,”3GPP TSG RAN WG1 49bis, Jun. 2007, Orlando, USA, pp. 1-3.
Network MIMO Team, “Block Diagonal Codebook Concept in 3GPP LTE (Rev. 7),” Aug. 2007, slides 0-19.
LTE TI codebook and SAIT IPr.doc :[New] Opinion about the both companies' codebook Tech, pp. 1-2.

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