Method and apparatus for simple and efficient interference cance

Details Method and apparatus for simple and efficient interference cance Method and apparatus for simple and efficient interference cance

1994-12-08

1996-10-22

Chin, Wellington

Multiplex communications

Wide area network

Packet switching

375206, H04B 7216, H04J 1304

Patent

active

055684734

ABSTRACT:
Interference from other users in a CDMA Spread Spectrum system is cancelled by constructing a single reference sequence which is representative of the spreading sequences of all users in the system. Interference from the other users can be cancelled without each receiver employing a separate decorrelator for every other user in the system and having an accurate estimate of the received power level of every transmitted signal.

REFERENCES:
patent: 4759034 (1988-07-01), Nagazumi
patent: 4866734 (1989-09-01), Akazawa et al.
patent: 5151919 (1992-09-01), Dent
patent: 5291517 (1994-03-01), Stein et al.

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