A Novel Integration Mechanism of AMC and HARQ in TDD-HSDPA Systems

doi:10.13190/jbupt.200606.120.dujh

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2006, Vol. 29 ›› Issue (6): 120-124.doi: 10.13190/jbupt.200606.120.dujh

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A Novel Integration Mechanism of AMC and HARQ in TDD-HSDPA Systems

DU Jiu-hui, CHEN Shu-ping, WANG Wen-bo

School of Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2005-12-20 Revised:1900-01-01 Online:2006-12-30 Published:2006-12-30
Contact: DU Jiu-hui

Abstract

Abstract:

Unique problems that hybrid automatic repeat request (HARQ) encounter in Time Division Duplex- high speed downlink packet access (TDD-HSDPA) systems are analyzed, especially when smart antennas are introduced. Accordingly, a novel mechanism combining HARQ with adaptive modulation and coding (AMC) is proposed. Dynamic system level simulator based on OPNET software is established to investigate the performance gain of the mechanism. Simulation results indicate that the scheme can reduce system block error rate (BLER) significantly and enhance system throughput.

Key words: high speed downlink packet access , hybrid automatic repeat request , adaptive modulation and coding , smart antennas

CLC Number:

TN929.5

DU Jiu-hui, CHEN Shu-ping, WANG Wen-bo. A Novel Integration Mechanism of AMC and HARQ in TDD-HSDPA Systems[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2006, 29(6): 120-124.

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A Novel Integration Mechanism of AMC and HARQ in TDD-HSDPA Systems

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