Apparatus and method for transmitting/receiving data in...

Details Apparatus and method for transmitting/receiving data in... Apparatus and method for transmitting/receiving data in...

2011-06-28

2011-06-28

Puente, Eva Y (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S347000, C375S299000, C455S562100, C455S069000, C342S383000, C342S377000

Reexamination Certificate

active

07970073

ABSTRACT:
Provided is an apparatus and method for transmitting/receiving data in a multi-user multi-antenna communication system. A data transmitting apparatus and method computes a RX filter or a TX filter for each user receiver in an improved scheme, selects a codebook correlating with the computed TX filter or the computed RX filter, and transmits an index of the selected TX filter codebook or an index of the selected RX filter codebook to a receiver. A data receiving apparatus and method receives the codebook index and detects a corresponding RX filter from the codebook by using the received codebook index.

REFERENCES:
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patent: 2004/0178954 (2004-09-01), Vook et al.
patent: 2005/0149596 (2005-07-01), Jeon et al.
patent: 2006/0146953 (2006-07-01), Raghothaman et al.
patent: 1020040012582 (2004-02-01), None
Max H.M. Costa; “Writing on Dirty Paper”; IEEE Transactions on Information Theory; vol. 29; No. 3; May 1983; pp. 439-441.
Choi, Lai-U et al.; “A Transmit Preprocessing Technique for Multiuser MIMO Systems Using a Decomposition Approach”; IEEE Transactions on Wireless Communications; vol. 3; No. 1; Jan. 2004; pp. 20-24.
Behrouz Farhang-Boroujeny et al.; “Layering Techniques for Space-Time Communication in Multi-User Networks”; IEEE Vehicular Technology Conference (VTC'03 Fall); Orlando Fla.; Oct. 2003; pp. 1339-1343.

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