Environmental issues for MIMO capacity

Daniel Bliss, Keith W. Forsythe, Alfred O. Hero, Ali F. Yegulalp

Research output: Contribution to journalArticle

78 Citations (Scopus)

Abstract

Wireless communication using multiple-input multiple-output (MIMO) systems enables increased spectral efficiency for a given total transmit power. Increased capacity is achieved by introducing additional spatial channels that are exploited using space-time coding. In this paper, the environmental factors that affect MIMO capacity are surveyed. These factors include channel complexity, external interference, and channel estimation error. The maximum spectral efficiency of MIMO systems in which both transmitter and receiver know the channel (using channel estimate feedback) is compared with MIMO systems in which only the receiver knows the channel. Channel complexity is studied using both simple stochastic physical scattering and asymptotic large random matrix models. Both uncooperative (worst-case)and cooperative (amenable to multiuser detection) interference are considered. An analysis for capacity loss associated with channel estimation error at the transmitter is introduced.

Original languageEnglish (US)
Pages (from-to)2128-2142
Number of pages15
JournalIEEE Transactions on Signal Processing
Volume50
Issue number9
DOIs
StatePublished - Sep 2002
Externally publishedYes

Fingerprint

Channel estimation
Transmitters
Multiuser detection
Scattering
Feedback
Communication

Keywords

  • Channel capacity
  • Channel phenomenology
  • Information theory
  • Interference cancellation
  • MIMO communication
  • Multiuser detection
  • Space-time coding

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Signal Processing

Cite this

Environmental issues for MIMO capacity. / Bliss, Daniel; Forsythe, Keith W.; Hero, Alfred O.; Yegulalp, Ali F.

In: IEEE Transactions on Signal Processing, Vol. 50, No. 9, 09.2002, p. 2128-2142.

Research output: Contribution to journalArticle

Bliss, D, Forsythe, KW, Hero, AO & Yegulalp, AF 2002, 'Environmental issues for MIMO capacity', IEEE Transactions on Signal Processing, vol. 50, no. 9, pp. 2128-2142. https://doi.org/10.1109/TSP.2002.801914
Bliss, Daniel ; Forsythe, Keith W. ; Hero, Alfred O. ; Yegulalp, Ali F. / Environmental issues for MIMO capacity. In: IEEE Transactions on Signal Processing. 2002 ; Vol. 50, No. 9. pp. 2128-2142.
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