A tunable multiuser grouping and chunk allocation algorithm for controlling fairness-capacity tradeoff in SC FDMA/SDMA transmission

Abolfazl Mehbodniya, Takayoshi Iwata, Fumiyuki Adachi

Research output: Contribution to journalConference articlepeer-review

Abstract

In this paper, we propose a fairness-controlled multiuser scheduling and resource allocation (RA) algorithm for uplink spatial division multiple access (SDMA)/ single carrier frequency division multiple access (SC-FDMA). In fact, with the aim of improving the spectral efficiency (SE) and at the same time controlling the network fairness, a sub-optimal power projection method based on users' spatial correlation is employed, which chooses the users for each resource block (RB). We assume a single-input multiple-output (SIMO) scheme with correlation at receive antenna. By changing the maximum allowed number of simultaneously accessing users, we can choose the desired balance between SE and the fairness. Numerical analysis verifies that the proposed scheme improves the SE considerably at the target defined fairness level. We also investigate the variations in fairness for different system design parameters, i.e., RB size, number of receive antenna, etc.

Original languageEnglish
Article number7022803
JournalIEEE Vehicular Technology Conference
Volume2015-January
Issue numberJanuary
DOIs
Publication statusPublished - 2014 Jan 1
Event2014 79th IEEE Vehicular Technology Conference, VTC 2014-Spring - Seoul, Korea, Republic of
Duration: 2014 May 182014 May 21

Keywords

  • Fairness
  • Multiuser Scheduling
  • Resource Allocation
  • SC-FDMA
  • SDMA
  • SIMO
  • Spatial Correlation
  • Spectral Efficiency
  • Uplink

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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