Data transmission method, reception method, and receiver

Multiplex communications – Communication over free space – Combining or distributing information via code word channels...

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370334, 375200, H04B 7216, H04B 1500, H04Q 700

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active

059369507

ABSTRACT:
A a data transmission and reception method and a receiver in which signals transmitted by various multiple access methods are processed. Signals transmitted by various multiple access methods can be transmitted and received in frequency ranges that overlap at least in part. During reception, signals received from one or more transmitters are converted to the desired baseband. Signals transmitted by one or more multiple access methods are separated from the received signal and from one another, and each separated signal is detected by a detector appropriate to the multiple access method used in the transmission of the signal concerned.

REFERENCES:
patent: 5022046 (1991-06-01), Morrow, Jr.
patent: 5260968 (1993-11-01), Gardner et al.
patent: 5469468 (1995-11-01), Schilling
patent: 5511068 (1996-04-01), Sato
patent: 5533013 (1996-07-01), Leppanen
International Search Report completed Oct. 21, 1998.
Mahesh K. Varanasi and Behnaam Aazhang, Multistage Detection in Asynchronous Code-Division Multiple-Access Communiations, IEEE Transactions on Communications, vol. 38, No. 4 Apr. 1990, pp. 509-519.

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