A generalized tracking analysis of adaptive filtering algorithms in cyclicly and randomly varying environments

Authors:
N. R. Yousef;A. H. Sayed
Affiliations:
Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA;-
Venue:
ICASSP '00 Proceedings of the Acoustics, Speech, and Signal Processing, 2000. on IEEE International Conference - Volume 01
Year:
2000

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Second-order LMS based wireless channel tracking: implementation under imperfect carrier synchronization

Signal Processing

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Abstract

This paper derives new tracking results for adaptive filtering algorithms operating in the presence of two sources of non-stationarities: a carrier frequency offset and random variations. Both impairments are common in digital communications due to variations in channel characteristics and to mismatches between transmitter and receiver carrier generators.