Multiple antenna communication system and method thereof

Details Multiple antenna communication system and method thereof Multiple antenna communication system and method thereof

1997-09-26

2000-05-02

Horabik, Michael

Multiplex communications

Communication over free space

Using atm as a wireles protocol

455103, 342367, H04B 102, H04B 104, H04B 700

Patent

active

060581050

ABSTRACT:
A communications system achieves high bit rates over an actual communications channel between M transmitter antennas of a first unit and N receiver antennas of a second unit, where M or N>1, by creating virtual sub-channels from the actual communications channel. The multiple antenna system creates the virtual sub-channels from the actual communications channel by using propagation information characterizing the actual communications channel at the first and second units. For transmissions from the first unit to the second unit, the first unit sends a virtual transmitted signal over at least a subset of the virtual sub-channels using at least a portion of the propagation information. The second unit retrieves a corresponding virtual received signal from the same set of virtual sub-channels using at least another portion of said propagation information.

REFERENCES:
patent: 3177488 (1965-04-01), Friis
patent: 3646443 (1972-02-01), Bickford et al.
patent: 5592490 (1997-01-01), Barratt et al.
"Parallel Additive Gaussian Noise Channels," by Robert G. Gallager, Information Theory And Reliable communication MIT. 1968, pp. 343-345
"Capacity of Multi-antenna Gaussian Channels," by I. Emre Telatar, AT&T Bell Laboratories Technical Memorandum, Document No. BL011217-950615-07TM, Nov. 13,1991.
U.S. Patent Application, "Wireless Communications System Having A Layered Space-Time Architecture Employing Multi-Element Antennas," Gerard J. Foschini, Filed Jul. 1, 1996, Serial No. 08/673981.

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