NDLI: Synchronization improvements in software defined radios from the use of diversity

Content Provider	IEEE Xplore Digital Library
Author	Gifford, S. Kleider, J.E. Chuprun, S.
Copyright Year	2000
Description	Author affiliation: Syst. Solutions Group, Motorola Inc., Scottsdale, AZ, USA (Gifford, S.)
Abstract	This paper discusses the use of spatial diversity to enhance symbol synchronization. The software defined radio (SDR) is used as a means of providing a realizable implementation for our method. We use offset-QPSK (O-QPSK) modulation with pre-detection combining in a channel environment that includes additive white Gaussian noise (AWGN) and independent frequency nonselective slow Rayleigh-fading. Improved synchronization algorithms using diversity combining are especially well suited for SDRs because it is practical to implement rising the SDR's multi-channel structure. Results indicate that the use of spatial reception diversity, in the synchronization of waveforms, can substantially improve the probability of rapid synchronization and yet do so with less computational complexity.
Starting Page	1109
Ending Page	1113
File Size	536928
Page Count	5
File Format	PDF
ISBN	0780365216
DOI	10.1109/MILCOM.2000.904099
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-10-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency synchronization Diversity reception Rayleigh channels Antenna arrays Additive white noise Working environment noise Noise robustness Adaptive arrays Software radio Quadrature phase shift keying
Content Type	Text
Resource Type	Article

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