Advanced Techniques for MIMO Broadband Communications

Abstract

Multiple input multiple output (MIMO) systems can provide high diversity, high data rate or a mix of both, for wireless communications. This report combines both modes and suggests analyses and techniques that advance the state of the art of MIMO systems. Specifically, this report studies turbo space-time coding schemes for MIMO systems. Before the designs of turbo space-time codes are presented, a fundamental tool to analyze and design turbo coding schemes, the extrinsic information transfer (EXIT) chart method, is extended from the binary/nonbinary code case to coded modulation case. This extension prepares the convergence analysis for turbo space-time code. Turbo space-time codes with symbols pre-coded by randomly chosen unitary time variant linear transformations (TVLT) are investigated in this report. It is shown that turbo codes with TVLT achieve full diversity gain and good coding gain with high probability.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 2005
Accession Number
ADA449036

Entities

People

  • Alex Haimovich

Organizations

  • New Jersey Institute of Technology

Tags

Communities of Interest

  • C4I
  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Broadband
  • Broadband Communications
  • Channel Capacity
  • Channel Models
  • Coding
  • Communication Systems
  • Data Rate
  • Decoding
  • Frequency
  • Information Transfer
  • Modulation
  • Multiple Input Multiple Output
  • Orthogonal Frequency Division Multiplexing
  • Probability
  • Random Variables
  • Transmitters
  • Wireless Communications

Fields of Study

  • Engineering

Readers

  • Munitions and Ordnance Engineering
  • Radio communications and signal processing.

Technology Areas

  • Space