A Method for Finding Better Space-Time Codes for Mimo Channels

Abstract

Multiple-input multiple output (MIMO) communication systems can have dramatically higher throughput than single-input, single-output systems. Unfortunately, it can be difficult to find the space-time codes these systems need to achieve their potential. Previously published results located good codes by minimizing the maximum correlation between transmitted signals. This paper shows how this min-max method may produce sub-optimal codes. a new method which sorts codes based on the union bound of pairwise error probabilities is presented. This new technique can identify superior MIMO codes, providing higher system throughput without increasing the transmitted power or bandwidth requirements.

Department(s)

Electrical and Computer Engineering

Keywords and Phrases

Code design; Code search; MIMO; Space-time codes; Unitary codes

International Standard Serial Number (ISSN)

0884-5123

Document Type

Article - Conference proceedings

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 2024 International Foundation for Telemetering, All rights reserved.

Publication Date

01 Dec 2005

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