Uplink Resource Allocation with the Minimal Transmission Rate Guarantee in Cognitive SC-FDMA Systems

doi:10.13190/j.jbupt.2014.01.024

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2014, Vol. 37 ›› Issue (1): 107-111.doi: 10.13190/j.jbupt.2014.01.024

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Uplink Resource Allocation with the Minimal Transmission Rate Guarantee in Cognitive SC-FDMA Systems

ZHU Hui, LI Sheng-yu, WU Wei-ling

School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2013-05-20 Online:2014-02-28 Published:2014-01-07

Abstract

Abstract:

An uplink resource allocation strategy for cognitive single-carrier frequency division multiplexing access (SC-FDMA) system was proposed. After defining the new marginal utility function, the available resource blocks and transmission power were jointly allocated. Simulation shows that although its achieved throughput is slightly lower than other algorithms, on one hand, the proposed algorithm can achieve the continuous resource block allocation, protect the minimal transmission rate for each user very well, and more, avoid the interference to primary network and guarantee the communication of primary network.

Key words: cognitive, uplink resource allocation, minimal transmission rate

CLC Number:

TN911

ZHU Hui, LI Sheng-yu, WU Wei-ling. Uplink Resource Allocation with the Minimal Transmission Rate Guarantee in Cognitive SC-FDMA Systems[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2014, 37(1): 107-111.

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Uplink Resource Allocation with the Minimal Transmission Rate Guarantee in Cognitive SC-FDMA Systems

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