NDLI: Detection error aware spectrum handoff mechanism for cognitive radios

Content Provider	IEEE Xplore Digital Library
Author	Coutinho, P.S. Rocha da Silva, M.W. de Rezende, J.F.
Copyright Year	2012
Description	Author affiliation: Universidade Federal do Rio de Janeiro (Coutinho, P.S.; Rocha da Silva, M.W.; de Rezende, J.F.)
Abstract	Spectrum handoff is a key mechanism for proper and efficient operation of cognitive radios. A handoff occurs when the current operating channel must be freed by secondary users due to the arrival of a primary user. This mechanism is responsible for searching for a new idle licensed channel for secondary use, a task known as channel selection. The order in which the channels are sensed during the handoff has a great impact on performance. This paper proposes a new spectrum handoff scheme that considers the existence of errors in primary user detection to achieve a better channel ordering in terms of spectrum utilization efficiency and primary user interference. Simulation results show that the proposed mechanism outperforms other mechanisms from the literature.
Starting Page	48
Ending Page	53
File Size	268230
Page Count	6
File Format	PDF
ISBN	9781467329767
ISSN	21665419
e-ISBN	9781936968558
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-18
Publisher Place	Sweden
Access Restriction	Subscribed
Rights Holder	ICST
Subject Keyword	Interference Switches spectrum sensing channel selection Sensors Mathematical model Cognitive radio spectrum handoff Equations Delay
Content Type	Text
Resource Type	Article

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Detection error aware spectrum handoff mechanism for cognitive radios