Method, apparatus and system of...

Details Method, apparatus and system of... Method, apparatus and system of...

2003-12-15

2008-10-28

Pham, Chi H. (Department: 2616)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S334000, C370S342000, C370S478000, C370S480000, C455S450000

Reexamination Certificate

active

07443818

ABSTRACT:
Embodiments of the present invention provide a method, apparatus and system for selectively modulating a data frame of a signal using either a frequency-multiplexing modulation method or a spatial-multiplexing modulation method based on a predetermined criterion.

REFERENCES:
patent: 5515378 (1996-05-01), Roy et al.
patent: 5550881 (1996-08-01), Sridhar et al.
patent: 6014431 (2000-01-01), McHale et al.
patent: 6067290 (2000-05-01), Paulraj et al.
patent: 6498788 (2002-12-01), Emilsson et al.
patent: 6798769 (2004-09-01), Farmwald
patent: 6870808 (2005-03-01), Liu et al.
patent: 6954655 (2005-10-01), Rudrapatna et al.
patent: 7133441 (2006-11-01), Barlev et al.
patent: 2002/0165626 (2002-11-01), Hammons et al.
patent: 2003/0014763 (2003-01-01), Chappell et al.
patent: WO 02/33848 (2002-04-01), None
P.W. Wolniansky, G. J. Foschini, G. D. Golden, R. A. Valenzuela.V-Blast: An Architecture for Realizing Very High Data Rates Over the Rich-Scattering Wireless Channel Rich Scattering, Proc. URSI ISSSE, 295-300, Sep. 1998.
Asis Nasipuri, Jun Zhuang, Samir R. Das.A Multichannel CSMA MAC Protocol for Multihop Wireless Networks, Proceedings of IEEE Wireless Communications and Networking Conference (WCNC'99), pp. 1402-1406, Sep. 1999.
Shad, F. et al., “Dynamic Slot Allocation (DSA) in Indoor SDMA/TDMA Using a Smart Antenna Basestation”, IEEE/ACM Transactions on Networking, IEEE Inc., New York, USA, vol. 9, No. 1, Feb. 1, 2001, pp. 69-81.
Spencer, Q.H. et al., Institute of Electrical and Electronics Engineers, “Capacity and downlink transmission algorithms for a multi-user mimo channel”, Conference Record of the 36th, Asilomar Conference on Signals, systems & Computers, Pacific Grove, CA, Nov. 3-6, 2002, Asilomar Conference on Signals, systems & Computers, New York, NY, IEEE, US, vol. 1 of 2, Conf. 36, Nov. 3, 2002, pp. 1384-1388.
International Search Report for PCT/US2004/038173, mailed on Apr. 27, 2005.

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