Adaptive signaling in multiple antenna systems

Multiplex communications – Special services – Conferencing

Reexamination Certificate

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Details

C370S390000, C370S396000, C370S476000, C455S101000, C455S343200

Reexamination Certificate

active

07460494

ABSTRACT:
Briefly, in accordance with one embodiment of the invention, a wireless communication system may adaptively switch between a multiple input, multiple output mode and a spatial division, multiple access mode based at least in part on channel conditions and traffic conditions.

REFERENCES:
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patent: 5802049 (1998-09-01), Watanabe
patent: 6937592 (2005-08-01), Heath et al.
patent: 7184743 (2007-02-01), Walton et al.
patent: 7224704 (2007-05-01), Lu et al.
patent: 7295827 (2007-11-01), Liu et al.
patent: 2003/0087673 (2003-05-01), Walton et al.
patent: 2003/0185241 (2003-10-01), Lu et al.
patent: 2004/0002364 (2004-01-01), Trikkonen et al.
patent: 2005/0233760 (2005-10-01), Voltolina et al.
patent: 2006/0183421 (2006-08-01), Proctor et al.
patent: 2007/0054632 (2007-03-01), Lu et al.
patent: WO 02/33848 (2002-04-01), None
PCT Search Report dated Dec. 17, 2004.

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