Scaling laws for noncoherent energy-based communications in the SIMO MAC

Mainak Chowdhury, Alexandros Manolakos, Andrea Goldsmith

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

We consider a one-shot communication setting in which several single antenna transmitters communicate with a receiver with a large number of antennas, i.e., the receiver decodes transmitted information at the end of every symbol time. Motivated by the optimal noncoherent detector in a Rayleigh fading channel, we consider a noncoherent energy-based communication scheme that does not require any knowledge of instantaneous channel state information at either the transmitter or the receiver; it uses only the statistics of the channel and noise. We show that, for general channel fading statistics, the performance of the considered one-shot multiuser noncoherent scheme is the same, in a scaling law sense, as that of the optimal coherent scheme exploiting perfect channel knowledge and coding across time. Furthermore, we present a numerical evaluation of the performance of this scheme in representative fading and noise statistics.

Original languageEnglish (US)
Article number7404014
Pages (from-to)1980-1992
Number of pages13
JournalIEEE Transactions on Information Theory
Volume62
Issue number4
DOIs
StatePublished - Apr 2016
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Information Systems
  • Computer Science Applications
  • Library and Information Sciences

Keywords

  • Energy Receiver
  • Massive MIMO
  • Multiuser Communication
  • Noncoherent Communication

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