DocumentCode
897315
Title
Enhanced SNR estimates from direct-sequence spread-spectrum demodulator statistics
Author
Boyd, Steven W. ; Pursley, Michael B.
Author_Institution
Holcombe Dept. of Electr. & Comput. Eng., Clemson Univ., Clemson, SC
Volume
13
Issue
5
fYear
2009
fDate
5/1/2009 12:00:00 AM
Firstpage
289
Lastpage
291
Abstract
Demodulator statistics are used in a binary direct-sequence spread-spectrum receiver to improve the performance of a well-known signal-to-noise ratio (SNR) estimate for ratios of the binary symbol energy to one-sided noise density that are below approximately 7 dB. The new estimate requires no pilot symbols, training sequences, data symbol decisions, or channel measurements, and it can be obtained prior to decoding.
Keywords
demodulators; spread spectrum communication; statistical analysis; binary symbol energy; decoding; direct sequence spread spectrum demodulator statistics; direct sequence spread spectrum receiver; enhanced SNR estimates; noise density; signal-to-noise ratio; Decoding; Demodulation; Estimation error; Impedance matching; Laboratories; Packet radio networks; Protocols; Signal to noise ratio; Spread spectrum communication; Statistics; SNR estimate, direct-sequence spread spectrum.;
fLanguage
English
Journal_Title
Communications Letters, IEEE
Publisher
ieee
ISSN
1089-7798
Type
jour
DOI
10.1109/LCOMM.2009.090171
Filename
4939328
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