Multiplex communications – Generalized orthogonal or special mathematical techniques
Patent
1997-12-24
1999-06-22
Nguyen, Chau
Multiplex communications
Generalized orthogonal or special mathematical techniques
370206, 370503, 375208, H04J 1100
Patent
active
059149329
ABSTRACT:
A reception method of a multicarrier system according to the present invention is one in which a phase-modulated data is transmitted by using each of a plurality of subcarriers, and includes a random data generating step of generating a phase shift data randomly changed, a multiplying step for multiplying each of received subcarriers with an output obtained in the random data generating step, and a state detection signal generating step for monitoring a state of an output obtained in the multiplying step and for generating a predetermined state detection signal when a predetermined state is detected. A frame period of a received signal is detected based on an output obtained in the state detection signal generating step.
REFERENCES:
patent: 5541552 (1996-07-01), Suzuki et al.
patent: 5694415 (1997-12-01), Suzuki et al.
Sakoda Kazuyuki
Suzuki Mitsuhiro
Maioli Jay H.
Nguyen Chau
Sony Corporation
Vanderpuye Kenneth
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