Smart-antenna system for mobile communication networks Part 2: Beamforming and network throughput

Salvatore Bellofiore, Jeffrey Foutz, Constantine Balanis, Andreas Spanias

Research output: Contribution to journalArticle

99 Scopus citations

Abstract

Part 1 of this paper provided an overview of smart-antenna systems, and presented a planar array as a design example. In addition, Part I discussed the potential of smart antennas with regard to providing increased capacity in wireless communication networks. Part 2 represents a continuation of the previous paper, and introduces the signal-processing aspects of the antenna array. In particular, Part 2 describes the utility of direction-of-arrival algorithms in array-antenna systems, and gives an overview of the signal-processing algorithms that are used to adapt the antenna radiation pattern. The adaptive-algorithm descriptions are accompanied by simulation results obtained for a specific network topology. In particular, the antenna system is simulated assuming a mobile network topology that is continuously changing. Basic results presented are the dependence of the overall network throughput on the design of the adaptive-antenna system, and on the properties of the adaptive-beamforming algorithms and associated antenna patterns.

Original languageEnglish (US)
Pages (from-to)106-114
Number of pages9
JournalIEEE Antennas and Propagation Magazine
Volume44
Issue number4
DOIs
StatePublished - Aug 1 2002

Keywords

  • Adaptive arrays
  • Antenna array mutual coupling
  • Array signal processing
  • Direction of arrival estimation
  • Land mobile radio cellular systems
  • Land mobile radio data communications
  • Land mobile radio equipment
  • Mobile communication
  • Smart antennas
  • Spatial division multiple access

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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