Enhanced digital communications receiver using channel impulse e

Details Enhanced digital communications receiver using channel impulse e Enhanced digital communications receiver using channel impulse e

1993-08-13

1995-11-28

Chin, Stephen

Pulse or digital communications

Synchronizers

375340, 375349, 375232, H04L 700

Patent

active

054715016

ABSTRACT:
The present invention provides for a receiver that employs integrated symbol timing adjustment and carrier tracking algorithms based on channel impulse response estimates. It uses variable coefficient least mean square tracking during estimation of the transmission channel's impulse response. Maximum likelihood sequence estimation equalization can also be integrated into the system using a non-real time operation that permits and exploits "time-reversed" equalization to significantly enhance bit-error rate performance and permits implementation of all the functions in a reasonably simple receiver.

REFERENCES:
patent: 4578800 (1986-03-01), Yasuda et al.
patent: 5245611 (1993-09-01), Ling et al.
patent: 5263026 (1993-11-01), Parr et al.
patent: 5303263 (1994-04-01), Shoji et al.
Yow-Jong Liu, "Bi-directional Equalization Technique for TDMA Communication Systems over Land Mobile Radio Channels", IEEE, pp. 1458-1462.

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