Asymmetrical encoding/decoding method and apparatus for communic

Details Asymmetrical encoding/decoding method and apparatus for communic Asymmetrical encoding/decoding method and apparatus for communic

1997-12-09

2000-07-11

Hsu, Alpus H.

Multiplex communications

Generalized orthogonal or special mathematical techniques

Quadrature carriers

370342, 370479, 375200, 375210, H04J 1100, H04B 7216, H04B 1500

Patent

active

060883251

ABSTRACT:
In accord with the transmission system, encoded signals may be processed in intermediate stations and at receiving stations in an order different from the order of the original encoding process for transmission. In particular, the recovery of CDMA encoded signals does not require application of spreading/despreading codes in the original scheme or sequence of application of spreading codes. In one embodiment, code applications may be permuted without losing the original signal which has been encoded. In such applications, not all of the encoding spreading functions results in an increased spreading rate.

REFERENCES:
patent: 5224122 (1993-06-01), Bruckert
patent: 5325394 (1994-06-01), Bruckert
patent: 5608722 (1997-03-01), Miller
patent: 5691974 (1997-11-01), Zehavi et al.
patent: 5790591 (1998-08-01), Gold et al.

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