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On Universally Decodable Matrices for Space-Time Coding [article]

Pascal O. Vontobel, Ashwin Ganesan
2006 arXiv   pre-print
The notion of universally decodable matrices (UDMs) was recently introduced by Tavildar and Viswanath while studying slow fading channels.  ...  for this class of UDMs.  ...  Acknowledgments We would like to thank Nigel Boston for general discussions on the topic, Ralf Koetter for pointing out to us the papers [16, 15] and for discussions on Newton interpolation, and Kamil  ... 
arXiv:cs/0601075v2 fatcat:3kzoi7hhlncjlec3wx45grqzju

On universally decodable matrices for space–time coding

Pascal O. Vontobel, Ashwin Ganesan
2006 Designs, Codes and Cryptography  
The notion of universally decodable matrices (UDMs) was recently introduced by Tavildar and Viswanath while studying slow fading channels.  ...  for this class of UDMs.  ...  We would like to thank Nigel Boston for general discussions on the topic, Ralf Koetter for pointing out to us the papers [8] , [10] , and Kamil Zigangirov for providing us with a copy of [8] .  ... 
doi:10.1007/s10623-006-9019-4 fatcat:x4zxwa5l65b6hjrfppjjmnzsbu

Editorial

Dirk Slock, Vahid Tarokh, Xiang-Gen Xia
2002 EURASIP Journal on Advances in Signal Processing  
The first issue has 11 papers that spread over space-time code designs, decoding methods for spacetime coded transmissions, and MIMO systems. The first three papers are on space-time code designs.  ...  When we deal with space-time matrices, the code size may be huge and therefore fast decoding algorithms are critically important.  ...  The first issue has 11 papers that spread over space-time code designs, decoding methods for spacetime coded transmissions, and MIMO systems. The first three papers are on space-time code designs.  ... 
doi:10.1155/s1110865702001968 fatcat:gegnmwaefbhhdf23fh2gfjgy24

Quasi Orthogonal Space Time Block Codes Using Various Sub-Block Matrices

Eman Hamdan, Onsy Abdel Alim, Noha Korany
2012 International Journal of Computer and Communication Engineering  
Space-time block codes (STBCs) from Orthogonal designs have attracted attention due to their fast maximum likelihood decoding and full diversity, but the maximum symbol transmission rate for complex signals  ...  A maximum likelihood (ML) decoding algorithm for the suggested code is also provided.  ...  So Jafarkhani proposed a space time code structure based on the full rate [5] .  ... 
doi:10.7763/ijcce.2012.v1.55 fatcat:h65aouprvnezbac473fy662cwq

Combined turbo coding and unitary space-time modulation

I. Bahceci, T.M. Duman
2002 IEEE Transactions on Communications  
Space-time coding is well understood for high data rate communications over wireless channels with perfect channel state information.  ...  On the other hand, channel coding for multiple transmit antennas when channel state information is unknown has only received limited attention.  ...  The modulators map the turbo-coded bits into unitary space-time signals. The signals are matrices.  ... 
doi:10.1109/tcomm.2002.801484 fatcat:re6doonuyndojfkz4n5jm3h32i

Joint Space-Time Trellis Decoding and Channel Estimation in Correlated Fading Channels

V.K. Nguyen, L.B. White
2004 IEEE Signal Processing Letters  
This letter addresses the issue of joint space-time trellis decoding and channel estimation in time-varying fading channels that are spatially and temporally correlated.  ...  Index Terms-Diversity, Kalman filtering, multiple transmit and receive antenna, per-survivor processing, space-time trellis codes.  ...  INTRODUCTION M ETHODS for joint channel estimation and space-time trellis decoding in time-varying fading channels have been studied in [1] - [4] .  ... 
doi:10.1109/lsp.2004.830122 fatcat:rthkhv4mozdlbbpuuubjq7z3gy

Robust Predictive Quantization: Analysis and Design Via Convex Optimization

Alyson K. Fletcher, Sundeep Rangan, Vivek K Goyal, Kannan Ramchandran
2007 IEEE Journal on Selected Topics in Signal Processing  
Predictive quantization is a simple and effective method for encoding slowly-varying signals that is widely used in speech and audio coding.  ...  It has been known qualitatively that leaving correlation in the encoded samples can lead to improved estimation at the decoder when encoded samples are subject to erasure.  ...  Thus, a jump linear system is a standard linear state-space system, where each system matrix can, at any time, take on one of possible values.  ... 
doi:10.1109/jstsp.2007.910622 fatcat:xyhblmj3lff5zgi35l5s2ms2fm

Differentially en/decoded orthogonal space-time block codes with APSK signals

Xiang-Gen Xia
2002 IEEE Communications Letters  
It is also compared with the differential en/decoding scheme for Alamouti's orthogonal space-time code using 16PSK (STC-16PSK) signals and two transmit antennas.  ...  In this letter, we propose a differential en/decoding scheme for Alamouti's orthogonal space-time code using amplitude/phase-shift keying (STC-APSK) signals and two transmit antennas.  ...  Differential Space-Time Coding and STC-PSK For a general space-time code of different unitary matrices with .  ... 
doi:10.1109/4234.996040 fatcat:mt4vheyp4vb3fp7sbljejfflqu

Low Complexity Adaptive Design for Full-Diversity Full-Rate Space-Time Codes

P. Ding, D.J. Love, J. Wang, M.D. Zoltowski
2006 IEEE Transactions on Signal Processing  
Full-diversity full-rate (FDFR) space-time codes for open-loop multiple antenna systems achieve both high data rate and good performance but come with very high decoding complexity.  ...  Index Terms-Closed-loop, full-diversity full-rate, multipleinput multiple-output (MIMO), singular value decomposition, space-time coding.  ...  Wang for his source code of reduced complexity sphere decoding algorithm [33] .  ... 
doi:10.1109/tsp.2006.877674 fatcat:enzmiaufofce7dsvtwm7omcb4m

On the separability of demodulation and decoding for communications over multiple-antenna block-fading channels

Yibo Jiang, R. Koetter, A.C. Singer
2003 IEEE Transactions on Information Theory  
We assume the channel is known to the receiver only, and find necessary and sufficient conditions on the dispersion matrices for the separation of demodulation and decoding at the receiver without loss  ...  We study the separability of demodulation and decoding for communications over multiple-antenna block-fading channels when bitlinear linear dispersion (BL-LD) codes are used.  ...  (i.e., MIMO chan- [3] , space-time trellis codes [4] , space-time block codes (STBCs) from orthogonal designs [5] , [6] , and linear dispersion codes (LD codes) [7] .  ... 
doi:10.1109/tit.2003.817478 fatcat:cq3g3spf3fbklhtaxnzyjeb2b4

On decoding algorithm and performance of space-time block codes

Changjiang Xu, Kyung Sup Kwak
2005 IEEE Transactions on Wireless Communications  
In this letter, we present a unified mathematical expression for the decoding algorithm of space-time block codes (STBC).  ...  Based on the unified expression, we make a comparison of the STBC transmit diversity and the maximal-ratio combining MRC receive diversity, and analyze the symbol error probability for the STBC transmissions  ...  ACKNOWLEDGMENT The authors wish to thank the anonymous reviewers for the comments and suggestions, which are helpful to improve this paper.  ... 
doi:10.1109/twc.2005.847098 fatcat:oi2xgcldkvfqveb7s5bxx4vsia

Unitary precoding for integer-forcing MIMO linear receivers

Amin Sakzad, Emanuele Viterbo
2014 2014 IEEE Information Theory Workshop (ITW 2014)  
Calderbank, “Space-time codes for [26] M.A.  ...  Wong, “Linear Toeplitz space time Precoding With X- and Y-Codes,” IEEE Trans. on Inform.  ... 
doi:10.1109/itw.2014.6970836 dblp:conf/itw/SakzadV14 fatcat:ir6rgxpgfnfgbaazn2m4gr24sq

Efficiently decoded full-rate space-time block codes

Don Torrieri, Matthew Valenti
2010 IEEE Transactions on Communications  
By using a genetic algorithm, rate-1 space-time block codes that accommodate very simple receiver processing at the cost of reduced diversity are designed in this paper for more than two transmit antennas  ...  Space-time block codes with orthogonal structures typically provide full-diversity reception and simple receiver processing.  ...  space-time codewords, but independent from one block to the next.  ... 
doi:10.1109/tcomm.2010.02.090003 fatcat:4no6ok6oxvcebcznxo6uews6gq

Implementing gradient descent decoding

Robert Liebler
2009 The Michigan mathematical journal  
Our goal is to give provably accurate efficient optimal decoding algorithms for a variety of coding rates for block codes on channels with BSC input and output.  ...  It has the code C as row space.  ...  The dual code C ⊥ is the row space of (any) parity check matrix H for C. This notation is based on the bilinear form x • y := xy T on F n 2 .  ... 
doi:10.1307/mmj/1242071693 fatcat:7tpcslcmrbfxbpxfuhebhrim4i

A fast-decodable code structure for linear dispersion codes

X. Dai, S. Cheung, T. Yuk
2009 IEEE Transactions on Wireless Communications  
Index Terms-Linear dispersion code, complexity of sphere decoding, MIMO system, fast-decodable code.  ...  This paper proposes the design of a new family of fast-decodable, full-rank, flexible-rate linear dispersion codes (LDCs) for MIMO systems with arbitrary numbers of transmit and receive antennas.  ...  INTRODUCTION T HE complexity of the decoding/detection process for space-time (ST) codes is a major constraint for the implementation of high speed Multiple-Input-Multiple-Output (MIMO) systems over wireless  ... 
doi:10.1109/twc.2009.080841 fatcat:a4qw4tk3hbajbiw2fjje4orcta
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