Pulse or digital communications – Repeaters – Testing
Patent
1991-02-11
1992-09-01
Tarcza, Thomas H.
Pulse or digital communications
Repeaters
Testing
H04K 100
Patent
active
051446413
ABSTRACT:
A multiplex communication device by the spread spectrum communication system is disclosed, in which a reference signal and a plurality of information signals are multiplexed to be transmitted after having spreading-modulated each of them, and data demodulation for the plurality of information signals is effected on the basis of a correlation-demodulated reference signal by executing correlation operation of this multiplexed received signal with a reference signal by means of a single correlator.
REFERENCES:
patent: 4875221 (1989-10-01), Mori
patent: 4943975 (1990-07-01), Kurihara et al.
patent: 5018088 (1991-05-01), Higbie
patent: 5022047 (1991-06-01), Dixon et al.
patent: 5023887 (1991-06-01), Takeuchi et al.
patent: 5029181 (1991-06-01), Endo et al.
Akazawa Shigeo
Uchida Yoshitaka
Cain David
Clarion Co. Ltd.
Tarcza Thomas H.
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