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A novel spectrum handoff scheme with spectrum admission control in cognitive radio networks
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Wu, Chengyu, He, Chen, Jiang, Lingge and Chen, Yunfei (2011) A novel spectrum handoff scheme with spectrum admission control in cognitive radio networks. In: 54th Annual IEEE Global Telecommunications Conference: "Energizing Global Communications", GLOBECOM 2011, Houston, TX, 5-9 Dec 2011. Published in: GLOBECOM - IEEE Global Telecommunications Conference pp. 1-5. ISBN 9781424492688. doi:10.1109/GLOCOM.2011.6133715
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Official URL: http://dx.doi.org/10.1109/GLOCOM.2011.6133715
Abstract
In this paper, we propose a new spectrum handoff scheme with spectrum admission control (SAC). In the proposed scheme, the secondary users (SUs) make up secondary user groups (SUGs) to achieve appointed detection probability of primary user signals, and perform spectrum handoff to an available spectrum when the primary users (PUs) reuse the spectrum in cognitive radio networks (CRNs). A simple Markov model is adopted to analyze the performance of spectrum handoff in terms of blocking probability, forced termination probability and throughput of the cognitive radio system. Numerical results show that the new handoff strategy is suitable for multi-user cognitive radio systems, and that spectrum admission control and cooperative sensing can effectively increase the efficiency of spectrum handoff. © 2011 IEEE.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Journal or Publication Title: | GLOBECOM - IEEE Global Telecommunications Conference | ||||
| Publisher: | IEEE | ||||
| ISBN: | 9781424492688 | ||||
| Book Title: | 2011 IEEE Global Telecommunications Conference - GLOBECOM 2011 | ||||
| Official Date: | 2011 | ||||
| Dates: |
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| Page Range: | pp. 1-5 | ||||
| DOI: | 10.1109/GLOCOM.2011.6133715 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | 54th Annual IEEE Global Telecommunications Conference: "Energizing Global Communications", GLOBECOM 2011 | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Houston, TX | ||||
| Date(s) of Event: | 5-9 Dec 2011 |
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