Antenna selection for mobile stations in OFDMA networks

Details Antenna selection for mobile stations in OFDMA networks Antenna selection for mobile stations in OFDMA networks

2011-04-12

2011-04-12

Abelson, Ronald (Department: 2476)

Multiplex communications

Communication over free space

Combining or distributing information via frequency channels

C370S281000, C370S295000, C370S330000, C370S436000, C370S478000, C370S480000

Reexamination Certificate

active

07924803

ABSTRACT:
A method and a system for selecting antennas in an orthogonal frequency division multiple access (OFDMA) network. The network includes a base station and mobile stations. The mobile station includes multiple antennas. The base station and the mobile stations communicate with each other using frames. The base station transmits a down-link (DL) subframe of the frame to the mobile station. The DL subframe allocates one or more symbols and one or more subcarriers of an up-link (UL) subframe of the frame for antenna selection signals. The mobile station transmits the UL subframe including the antenna selection signals at the allocated subcarriers and symbols to the base station. Then, the base station selects a subset of the antennas based on the antenna selection signals.

REFERENCES:
patent: 2002/0172163 (2002-11-01), Chen et al.
patent: 2003/0081577 (2003-05-01), Jimenez
patent: 2005/0207451 (2005-09-01), Partyka
patent: 2006/0141949 (2006-06-01), Varshney et al.
patent: 2006/0205356 (2006-09-01), Laroia et al.
patent: 2008/0043610 (2008-02-01), Li et al.
patent: 2009/0109835 (2009-04-01), Green

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