NDLI: Spectrum pool reassignment for a cognitive OFDM-based relay system

Content Provider	IEEE Xplore Digital Library
Author	Pandharipande, Ashish Ho, Chin Keong
Copyright Year	2007
Description	Author affiliation: Philips Research Europe - Eindhoven, High Tech Campus, 5656 AE Eindhoven, The Netherlands; Department of Electrical Engineering, Eindhoven University of Technology, The Netherlands (Ho, Chin Keong) \|\| Philips Research Europe - Eindhoven, High Tech Campus, 5656 AE Eindhoven, The Netherlands, Email: ashish.p@philips.com (Pandharipande, Ashish)
Abstract	We consider a cognitive OFDM-based spectrum pooling wireless system where a source node desires to transmit data to a distant destination node with the assistance of a relay node. Communication between any transmitter-receiver pair occurs on a pool of OFDM subcarriers corresponding to spectrum found to be empty of primary users. In such a system, the source node uses a certain pool of subcarrier frequencies to transmit data to the relay. The relay then reassigns and forwards the received data on a possibly different pool of OFDM subcarriers, which is then decoded at the destination node. Our goal is to maximize the capacity of this spectrum pooling relay system. This is done by determining an optimum assignment of the subcarrier pools available between the source-relay and relay-destination.
Starting Page	90
Ending Page	94
File Size	2439520
Page Count	5
File Format	PDF
ISBN	9781424408146
DOI	10.1109/CROWNCOM.2007.4549778
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication OFDM Europe Interference Explosives Communications technology Decoding Relays Electrostatic precipitators Shadow mapping
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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