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Turbo-coded ARQ schemes for DS-CDMA data networks over fading and shadowing channels: throughput, delay, and energy efficiency

Published: 01 September 2006 Publication History

Abstract

Modified ARQ (automatic-repeat-request) techniques based on turbo coding are investigated for asynchronous DS-CDMA (direct-sequence code-division multiple-access) data networks under shadowing and frequency selective fading channel conditions. The throughput, delay, and energy efficiency performance of standard ARQ, metric combining, and RCPT (rate compatible punctured turbo) coded ARQ schemes are compared via simulations. The RCPT/ARQ schemes are shown to outperform the other two schemes in terms of both throughput and energy efficiency at the cost of larger delay and complexity. In addition, maximum network throughput is investigated for different ARQ schemes under energy constraints

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  • (2007)Throughput analysis of multiple access system with hybrid ARQ in wireless networksProceedings of the 2007 international conference on Wireless communications and mobile computing10.1145/1280940.1280951(49-54)Online publication date: 12-Aug-2007
  1. Turbo-coded ARQ schemes for DS-CDMA data networks over fading and shadowing channels: throughput, delay, and energy efficiency

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      cover image IEEE Journal on Selected Areas in Communications
      IEEE Journal on Selected Areas in Communications  Volume 18, Issue 8
      September 2006
      214 pages

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      IEEE Press

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      Published: 01 September 2006

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      • (2007)Throughput analysis of multiple access system with hybrid ARQ in wireless networksProceedings of the 2007 international conference on Wireless communications and mobile computing10.1145/1280940.1280951(49-54)Online publication date: 12-Aug-2007

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