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2013 | OriginalPaper | Chapter

2. In-Band MAC-Layer Sensing for the Cognitive Radio Networks

Authors : Xiang Gao, Hyung-Kun Park

Published in: Future Information Communication Technology and Applications

Publisher: Springer Netherlands

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Abstract

Channel sensing in the cognitive radio networks is a very important function to avoid collision with primary users. MAC-layer sensing determines key parameters for channel sensing such as available sensing period and sensing duration. The sensing period and sensing duration affect on the data transmission. The shorter sensing period increases the sensing accuracy and reduces the possibility of packet collision with primary users. However, it can reduce the data transmission time and decrease the system throughput. Therefore, one of the important roles of MAC-layer sensing is to determine the sensing period. In this paper, we evaluate the sensing period to minimize the missing probability and interference probability to the primary users.

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Metadata
Title
In-Band MAC-Layer Sensing for the Cognitive Radio Networks
Authors
Xiang Gao
Hyung-Kun Park
Copyright Year
2013
Publisher
Springer Netherlands
DOI
https://doi.org/10.1007/978-94-007-6516-0_2