Performance Evaluation of Decision Feedback Adaptive Arrays Based on Interarray Correlation-Neglecting Algorithm

Research output: Contribution to journalArticle

Abstract

This paper presents the performance of a decision feedback adaptive array based on the interarray correlation-neglecting (ICN) algorithm that is suitable for high-speed mobile-communication systems. Although the ICN algorithm is regarded as a means of complexity reduction from recursive least-square (RLS) algorithm, we present that the ICN algorithm has a superior initial acquisition performance close to RLS algorithm, theoretically. The requirements for stable convergence are analytically revealed. Moreover, the performance is confirmed by Monte Carlo simulation. Besides, since the decision feedback adaptive array based on the ICN algorithm can be easily implemented with parallel processing, this array can reduce run-time cycles needed for one symbol. Therefore, this array can be applied to high-speed radio communication systems. In addition to this, the low operational complexity of this array makes it easy to apply this for high-speed mobile-communication systems where low complexity is basically required.

Original languageEnglish
Pages (from-to)1424-1434
Number of pages11
JournalIEEE Transactions on Vehicular Technology
Volume52
Issue number6
DOIs
Publication statusPublished - Nov 2003
Externally publishedYes

Fingerprint

Decision Feedback
Performance Evaluation
Feedback
Communication Systems
High Speed
Mobile Communication
Least Square Algorithm
Mobile Systems
Recursive Algorithm
Mobile telecommunication systems
Stable Convergence
Array processing
Parallel Processing
Radio communication
Low Complexity
Monte Carlo Simulation
Communication systems
Cycle
Requirements

Keywords

  • Adaptive array
  • Complexity reduction
  • Decision feedback equalization
  • Fast acquisition
  • High-speed transmission

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

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abstract = "This paper presents the performance of a decision feedback adaptive array based on the interarray correlation-neglecting (ICN) algorithm that is suitable for high-speed mobile-communication systems. Although the ICN algorithm is regarded as a means of complexity reduction from recursive least-square (RLS) algorithm, we present that the ICN algorithm has a superior initial acquisition performance close to RLS algorithm, theoretically. The requirements for stable convergence are analytically revealed. Moreover, the performance is confirmed by Monte Carlo simulation. Besides, since the decision feedback adaptive array based on the ICN algorithm can be easily implemented with parallel processing, this array can reduce run-time cycles needed for one symbol. Therefore, this array can be applied to high-speed radio communication systems. In addition to this, the low operational complexity of this array makes it easy to apply this for high-speed mobile-communication systems where low complexity is basically required.",
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