Cognitive Radio Based Channel Borrowing Scheme for Heterogeneous Wireless Networks

doi:10.13190/jbupt.200905.20.lixj

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2009, Vol. 32 ›› Issue (5): 20-23.doi: 10.13190/jbupt.200905.20.lixj

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Cognitive Radio Based Channel Borrowing Scheme for Heterogeneous Wireless Networks

LI Xi-jin，JI Hong

(Key Laboratory of Universal Wireless Communication （Beijing University of Posts and Telecommunications）, Ministry of Education, Beijing 100876, China)

Received:2009-02-19 Revised:2009-04-13 Online:2009-10-28 Published:2009-10-28

Abstract

Abstract:

A prediction algorithm based channel borrowing scheme on heterogeneous wireless network model composed of IEEE802.11 wireless local area network（WLAN） and time division-synchronous code division multiple access（TD-SCDMA）is proposed to solve the problem of spectrum shortage. The scheme refers to current horizontal channel borrowing strategy and proposes a channel reserved mechanism with channel borrowing prediction algorithm. Performance simulation shows that this scheme can efficiently decrease blocking probability and improve system performance.

Key words: heterogeneous wireless network, channel allocation, channel borrowing, blocking probability

LI Xi-jin，JI Hong. Cognitive Radio Based Channel Borrowing Scheme for Heterogeneous Wireless Networks[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2009, 32(5): 20-23.

References

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Cognitive Radio Based Channel Borrowing Scheme for Heterogeneous Wireless Networks

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