A low complexity configuration selection algorithm in IA-aided uplink coordinated multipoint systems

Ming-Chun Lee*, Chung-Jung Huang, Wei-Ho Chung, Ta-Sung Lee

*Corresponding author for this work

Research output: Contribution to journalConference article

Abstract

This work investigates the configuration selection in IA-aided UL CoMP systems which pursues the maximal achievable sum rate. The configuration is defined by the number of data streams transmitted in each user. Intuitively, the solution can be found by exhaustively calculating the achievable sum rate for all the possible configurations, and select the configuration leading to the maximal achievable sum rate. The exhaustive search method is infeasible due to its high complexity. Based on the characteristics of IA-aided UL CoMP systems, an algorithm is proposed to obtain the configuration with extremely low complexity, and the proposed approach achieves comparable performance as in exhaustive method.

Original languageEnglish
Article number7022780
Number of pages5
JournalIEEE Vehicular Technology Conference
Volume2015-January
Issue numberJanuary
DOIs
StatePublished - May 2014
Event2014 79th IEEE Vehicular Technology Conference, VTC 2014-Spring - Seoul, Korea, Republic of
Duration: 18 May 201421 May 2014

Keywords

  • CoMP
  • Cooperative multipoint system
  • IA
  • Low complexity
  • LTE-A
  • MIMO

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