Closed-Form Expressions for the Correlation Coefficient of Directive Antennas Impinged by a Multimodal Truncated Laplacian PAS

Laurent Schumacher, Balaji Raghothaman

Research output: Contribution to journalArticle

Abstract

This paper addresses the derivation of a closed-form expression for the correlation coefficient of a pair of antenna elements at the base station. The closed-form expression is derived for the case of a multi-modal, truncated Laplacian Power Azimuth Spectrum which impinges on antenna elements exhibiting a directive radiation pattern that is widely used in standardisation bodies. To avoid numerical instability, an approximation for small Azimuth Spreads is presented. The proposed closed-form expression, along with its approximation, is successfully validated against the numerical computation of the correlation coefficient.
Original languageEnglish
Pages (from-to)1351-1359
Number of pages9
JournalIEEE Transactions on Wireless Communications
Volume4
Issue number4
DOIs
Publication statusPublished - 2005

Keywords

  • Antenna radiation patterns
  • MIMO systems
  • correlation

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