Space Division Multiplexing Aided Joint Transmit-Receive Spectrum Sharing in Cognitive Radio Networks

doi:10.13190/jbupt.201106.28.lizh

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2011, Vol. 34 ›› Issue (6): 28-32.doi: 10.13190/jbupt.201106.28.lizh

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Space Division Multiplexing Aided Joint Transmit-Receive Spectrum Sharing in Cognitive Radio Networks

Received:2011-01-04 Revised:2011-02-23 Online:2011-12-28 Published:2011-10-18
Contact: Zhao LI E-mail:zli@xidian.edu.cn

Abstract

Abstract:

This paper proposes a space division multiplexing based joint transmit-receive spectrum sharing method in cognitive radio networks (CRN). By exploiting spatial correlation features between cognitive transmission and interference among different systems, appropriate primary system and its channel could be selected under the condition that no idle spectrum resource is available. Consequently, spectrum sharing is carried out using space division multiplexing. Analysis and simulation results show that compared with the method implemented only at cognitive base station (CBS) and exhaustive searching, the proposed scheme could achieve near-optimal system throughput performance with reduced complexity.

CLC Number:

TN929.5

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Space Division Multiplexing Aided Joint Transmit-Receive Spectrum Sharing in Cognitive Radio Networks

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