» » Single and Double Symbol Decodable Space-Time Block Codes: Space-time block codes amenable to fast ML decoding

Fb2 Single and Double Symbol Decodable Space-Time Block Codes: Space-time block codes amenable to fast ML decoding ePub

by Mohammed Khan

Category: Engineering
Subcategory: Engineering and Transport
Author: Mohammed Khan
ISBN: 3838337034
ISBN13: 978-3838337036
Language: English
Publisher: LAP Lambert Academic Publishing (February 3, 2010)
Pages: 200
Fb2 eBook: 1101 kb
ePub eBook: 1408 kb
Digital formats: azw doc mbr docx

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Multi-input Multi-output (MIMO) technology is the backbone of broadband wireless communication systems. MIMO techniques deliver significant performance enhancements in terms of data rates and interference reduction by exploiting multi-path scattering. This performance enhancement comes at the cost of increased (decoding) complexity. This book is a detailed introduction to the design and analysis of fast decodable space-time block codes (STBCs).

EAN/UPC/ISBN Code 9783838337036. Author Mohammed Khan. Producer LAP Lambert Academic Publishing. Begining with an overview of MIMO technology and STBCs, the author introduces the problem of design of single and double symbol decodable STBCs. A complete characterization and design of single and double symbol decodable STBCS is then presented. This book is an essential reading for anyone who wants to understand the basics of fast MIMO detection from a fundamental perspective.

Space–time block coding is a technique used in wireless communications to transmit multiple copies of a data stream across a number of antennas and to exploit the various received versions of the data to improve the reliability of data transfer.

Space–time block coding is a technique used in wireless communications to transmit multiple copies of a data stream across a number of antennas and to exploit the various received versions of the data to improve the reliability of data transfer

A class of rate-one space-time block codes (STBC) allowing the decoding of transmitted symbols into four groups is recently proposed by Yuen, Guan and Tjhung. This code is called four-group decodable STBC (4Gp-STBC)

A class of rate-one space-time block codes (STBC) allowing the decoding of transmitted symbols into four groups is recently proposed by Yuen, Guan and Tjhung. This code is called four-group decodable STBC (4Gp-STBC). In this paper, the equivalent channel of 4Gp-STBC is derived and a new method to decode 4Gp-STBC based on sphere decoders is presented. Furthermore, the performance of 4Gp-STBC is analyzed. A new signal rotation method is proposed, which performs better than the existing one. View on IEEE.

A space-time block code (STBC) in K-variables is said to be g-group ML-decodable (GMLD) if its maximum-likelihood (ML) decoding metric can be written as a sum of g independent terms, with each term being a function of a subset of the K variables. In this paper, a construction method to obtain high-rate, 2-GMLD STBCs for 2

Abstract: In this paper, collocated and distributed space-time block codes (DSTBCs) which admit multi-group maximum likelihood (ML) decoding are studied. First the collocated case is considered and the problem of constructing space-time block codes (STBCs) which optimally tradeoff rate and ML decoding complexity is posed. Recently, sufficient conditions for multi-group ML decodability have been provided in the literature and codes meeting these sufficient conditions were called Clifford Unitary Weight (CUW) STBCs.

We focus on full-rate, fast-decodable space-time block codes (STBCs) for 2x2 and 4x2 multiple-input multiple-output (MIMO) transmission. We first derive conditions for reduced-complexity maximum-likelihood decoding, and apply them to a unified analysis of two families of 2x2 STBCs that were recently proposed. In particular, we describe a reduced-complexity sphere decoding algorithm suitable for QAM signal constellations. Next, we derive a novel reduced-complexity 4x2 STBC, and show that it outperforms all previously known codes with certain constellations.

Space time block coding uses both spatial and temporal diversity and in this way enables significant gains to be made. Space-time coding involves the transmission of multiple copies of the data. This helps to compensate for the channel problems such as fading and thermal noise. Although there is redundancy in the data some copies may arrive less corrupted at the receiver. When using space-time block coding, the data stream is encoded in blocks prior to transmission.

Multi-input Multi-output (MIMO) technology is the backbone of broadband wireless communication systems. MIMO techniques deliver significant performance enhancements in terms of data rates and interference reduction by exploiting multi-path scattering. This performance enhancement comes at the cost of increased (decoding) complexity. This book is a detailed introduction to the design and analysis of fast decodable space-time block codes (STBCs). Begining with an overview of MIMO technology and STBCs, the author introduces the problem of design of single and double symbol decodable STBCs. A complete characterization and design of single and double symbol decodable STBCS is then presented. This book is an essential reading for anyone who wants to understand the basics of fast MIMO detection from a fundamental perspective. It can be used as a textbook for advanced courses on Wireless communications, and will also appeal to researchers and practitioners working on MIMO wireless systems.
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