NDLI: Throughput/delay performance of secondary user in spectrum underlay

Content Provider	IEEE Xplore Digital Library
Author	Roy, S.D. Kundu, S.
Copyright Year	2010
Description	Author affiliation: ECE Department, NIT, Durgapur, National Institute of Technology, Durgapur, Durgapur, India (Roy, S.D.; Kundu, S.)
Abstract	In this paper, we propose a scheme to evaluate throughput delay performance of secondary users (SUs) in a cognitive radio (CR) CDMA network. Specifically, we develop a simulation test bed for analyzing performance of a SU in a single cell, where both SUs and primary users (PUs) are present. CR users or SUs belong to an infrastructure less ad hoc network, which coexists with a primary radio network (PRN), forming pair wise links. We assume spectrum underlay type of spectrum sharing, where SUs transmit in presence of PUs maintaining a predefined interference limit for PRN. A SU transmits packetized data for its corresponding receiver. A stop and wait ARQ protocol at MAC layer has been assumed for packet transmission. Further, we evaluate performance of a SU in terms of retransmission rate, packet error rate. Effects of various network and channel parameters such as cell radius, standard deviation of shadow fading on the above mentioned performance metrics are indicated.
Starting Page	800
Ending Page	805
File Size	133763
Page Count	6
File Format	PDF
ISBN	9781424490332
e-ISBN	9781424490349
DOI	10.1109/ICCCT.2010.5640386
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-17
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transmitters Cognitive Radio Interference Receivers Throughput CDMA Multiaccess communication Cognitive radio Spectrum Underlay Delay
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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