On optimal hybrid ARQ control schemes for HSDPA with 16QAM

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Abstract

We consider several Hybrid ARQ (H-ARQ) control schemes for High Speed Downlink Packet Access (HSDPA) with 16 symbols Quadrature Amplitude Modulation (16QAM). These schemes consist of a sequence of values for the Xrv parameter to be used at sequential retransmissions when a block is not decoded correctly. A choice of an H-ARQ control scheme influences two parameters: Quality of Service (QoS) and User Equipement (UE) buffer requirements. Based on several link level simulations, we propose an optimal control scheme using maximum space, as well as two slightly suboptimal ones that allow to reduce the the UE buffer size.

Original languageEnglish
Title of host publication2005 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob'2005
PublisherIEEE Computer Society
Pages121-127
Number of pages7
ISBN (Print)0780391829, 9780780391826
DOIs
Publication statusPublished - 1 Jan 2005
Event2005 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob'2005 - Montreal, QC, Canada
Duration: 22 Aug 200524 Aug 2005

Publication series

Name2005 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob'2005
Volume1

Conference

Conference2005 IEEE International Conference on Wireless and Mobile Computing, Networking and Communications, WiMob'2005
Country/TerritoryCanada
CityMontreal, QC
Period22/08/0524/08/05

Keywords

  • 16QAM constellation rearrangement
  • HSDPA
  • Hybrid ARQ
  • UMTS

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