Downlink scheduling with AMC and FCS in WCDMA networks

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Abstract

This paper is concerned with the throughput and fairness analysis in a downlink WCDMA network with adaptive modulation and coding (AMC) and fast cell selection (FCS). The downlink scheduling schemes investigated include (i) the Round Robin scheme, (ii) the maximum carrier-to-interference ratio (C/I) scheme, and (iii) the proportional fair scheme. The channel model is assumed to include path loss, lognormal shadowing and fast Rayleigh fading. By using a form analogous to Shannon's channel capacity equation, a logrithmic relation between the instantaneous data rate and the C/I with AMC is first established. Using generalized Bernoulli trial, FCS is then examined in detail. Finally, the throughput and fairness expressions for the abovementioned downlink scheduling schemes with FCS are derived.

Original languageEnglish
Title of host publicationIEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings
Pages3363-3367
Number of pages5
DOIs
StatePublished - 2007
Event50th Annual IEEE Global Telecommunications Conference, GLOBECOM 2007 - Washington, DC, United States
Duration: 26 Nov 200730 Nov 2007

Publication series

NameGLOBECOM - IEEE Global Telecommunications Conference

Conference

Conference50th Annual IEEE Global Telecommunications Conference, GLOBECOM 2007
Country/TerritoryUnited States
CityWashington, DC
Period26/11/0730/11/07

Keywords

  • AMC
  • Fairness
  • FCS
  • Maximum C/I
  • Proportional fair
  • Round Robin
  • Scheduling
  • Throughput
  • WCDMA

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