Distributed cyclic delay diversity systems with spatially distributed interferers

Kyeong Jin Kim, Marco Di Renzo, Hongwu Liu, Theodoros A. Tsiftsis, Philip V. Orlik, H. Vincent Poor

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

In this paper, a cooperative single carrier system comprising multiple cooperating remote radio heads and spatially distributed interferers is investigated. Due to the random location of the interferers within the communication range, a mixture of line-of-sight (LoS) and non-line-of-sight (nLoS) paths is considered in the channel model. Under a frequency selective fading channel with a mixture of the LoS and nLoS paths, the distributed cyclic delay diversity is employed to achieve the maximum transmit diversity gain without the exact knowledge of the channel state information at the transmitter side. It is shown that the operating signal-to-noise regions are divided into two regions, i.e., noise-limited and interference-limited. In this paper, the main focus is on the interference-limited region, in which diversity gain is not achieved due to performance limits determined by the system and channel parameters. The existence of these limits on the performance metrics, such as the outage probability and ergodic capacity, is derived analytically and then verified by link-level simulations.

Original languageEnglish (US)
Article number8640850
Pages (from-to)2066-2079
Number of pages14
JournalIEEE Transactions on Wireless Communications
Volume18
Issue number4
DOIs
StatePublished - Apr 2019

All Science Journal Classification (ASJC) codes

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

Keywords

  • Distributed CDD
  • LoS and nLoS paths
  • cyclic-prefixed single carrier transmission
  • ergodic capacity
  • interferers
  • outage probability

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