Iterative detection in MIMO systems

Details Iterative detection in MIMO systems Iterative detection in MIMO systems

2007-11-27

2007-11-27

Patel, Jay K. (Department: 2611)

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

C375S144000, C375S148000

Reexamination Certificate

active

10447978

ABSTRACT:
Iterative detection for a MIMO (multiple-input, multiple-output) wireless communications system uses multiple stages for interference cancellation refinements. Detection is determined by maximizing signal to noise plus interference ratios. Equalization matrix updating uses a matrix-inversion-free recursion. For P transmitter antennas and Q receiver antennas, the soft symbol vector estimates are z=Fr−Gshardwith F a P×Q IMMSE detector, r the received Q vector, and G a P×P interference canceller with shardhard decisions of prior symbols and iterations.

REFERENCES:
patent: 6724809 (2004-04-01), Reznik
patent: 2004/0013212 (2004-01-01), Benesty et al.

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