One bit differential detector with frequency offset compensation

Details One bit differential detector with frequency offset compensation One bit differential detector with frequency offset compensation

1993-01-21

1995-09-05

Chin, Stephen

Pulse or digital communications

Receivers

Angle modulation

375333, 375340, 329304, H04L 2722, H03D 300

Patent

active

054485940

ABSTRACT:
A one-bit differential detector for a GMSK signal operates independently of an offset frequency. In particular, a decision signal used by a decision circuit to distinguish between logic "0" and logic "1" is always equal to sin[.DELTA..phi.(T)]. The inventive detector has an improved bit error rate performance in comparison to the prior art.

REFERENCES:
patent: 4359692 (1982-11-01), Ryan
patent: 4466108 (1984-08-01), Rhodes
patent: 4922206 (1990-05-01), Nicholas
patent: 5007068 (1991-04-01), Simon et al.
patent: 5144256 (1992-09-01), Lim
patent: 5255290 (1993-10-01), Anvari
patent: 5257291 (1993-10-01), Desperben et al.

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