Admission Control of OFDMA Relay Cellular System

doi:10.13190/jbupt.200905.132.gongp

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2009, Vol. 32 ›› Issue (5): 132-136.doi: 10.13190/jbupt.200905.132.gongp

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Admission Control of OFDMA Relay Cellular System

GONG Ping,WANG Dong-hao,NIU Kai,WU Wei-ling

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

Received:2009-02-15 Revised:2009-07-16 Online:2009-10-28 Published:2009-10-28

Abstract

Abstract:

Some new call admission control schemes in orthogonal frequency division multiplexing access (OFDMA) relaying cellular system are investigated. Subjected to hard constraint on the quality-of-service (QoS) requirements, the capability of relay, the user's selection of relay and the competence among users, these schemes enlarge the amount of subcarriers saved by two-hop transmission of each relay as much as possible, thus enhancing the resource utilization and system capacity. Simulations verify the effectiveness of the proposed scheme.

Key words: admission control, relay, two-hop, orthogonal frequency division multiplexing access, quality-of-service

GONG Ping,WANG Dong-hao,NIU Kai,WU Wei-ling. Admission Control of OFDMA Relay Cellular System[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2009, 32(5): 132-136.

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Admission Control of OFDMA Relay Cellular System

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