Method and apparatus for reducing effects of multiple access int

Details Method and apparatus for reducing effects of multiple access int Method and apparatus for reducing effects of multiple access int

1990-12-31

1992-08-04

Swann, Tod R.

Pulse or digital communications

Repeaters

Testing

375102, 380 34, 370 18, H04K 100

Patent

active

051366126

ABSTRACT:
A CDMA system embodying apparatus and methods operates to reduce the effects of the multiple access interference in order to increase the channel capacity and achieve greater efficiency in the use of a given frequency bandwidth. Reception of CDMA radio transmissions is in multiple stages is which the multiple access interference is estimated after the first stage. This estimated multiple access interference is subtracted from the original received input, and the detection of the intended signal is performed on the signal having the reduced multiple access interference.

REFERENCES:
patent: 4528674 (1985-07-01), Sweeney et al.
patent: 4736390 (1988-04-01), Ward et al.
patent: 4841527 (1989-06-01), Raychaudhuri et al.
patent: 4901307 (1990-02-01), Gilhousen et al.

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