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  1. Proceedings of the 1st ACM workshop on Cognitive radio architectures for broadband (CRAB '13)
  2. Spread spectrum based cooperative communication transceiver on FPGA platform
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Cognitive radios and the vehicular cloud
On the cascading spectrum contention problem in self-coexistence of cognitive radio networks
Push the limit of wireless network capacity: a tale of cognitive and coexistence
Advanced cognitive radio test-bed with carrier aggregation in TV white space
The cognitive in cognitive radio
Energy efficiency impact of cognitive femtocells in heterogeneous wireless networks
A resource allocation algorithm for users with multiple applications in 4G-LTE
Spread spectrum based cooperative communication transceiver on FPGA platform
Multiple description coding for uncompressed video streaming over 60GHz networks
Truthful multi-attribute auction with discriminatory pricing in cognitive radio networks
Primary weight measure and its support in stochastic routing for dynamic cognitive radio networks

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Spread spectrum based cooperative communication transceiver on FPGA platform

Content Provider ACM Digital Library
Author Namazi, Ali Oleski, Paul J. Gaddam, Siddharth AzimiSadjadi, Babak Ponnaluri, Satya Prakash McCarthy, Daniel
Abstract In this paper we describe the implementation of a spread spectrum based cooperative relaying on an FPGA platform. We focus on a network comprising one source, one or more relays, and one destination. Once the source's message is received by the relays, the relays simultaneously transmit the information to the destination. In order to avoid interference between the various relay transmissions, each relay node spreads its information using a unique spreading code chosen from a set of sequences with good cross-correlation and autocorrelation properties. These properties allow separation of the signals in the presence of frequency and timing offsets between the various transmissions. This platform is tested through an audio application using a commercially available RF front end. The platform not only enables testing of cooperative communications, but also other related concepts relying on software-defined radio such as Cognitive Radio.
Starting Page 41
Ending Page 48
Page Count 8
File Format PDF
ISBN 9781450323680
DOI 10.1145/2508478.2508484
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2013-10-04
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Cooperative communication Fpga Rake receiver Spread spectrum Cognitive radio
Content Type Text
Resource Type Article
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