Paper Info
Title
Orthogonal space-time block codes with sphere packing
Abstract
Orthogonal designs have received considerable attention in the development of efficient modulation and coding methods for future multi-antenna wireless communication systems due to their special properties. In this paper, we propose a class of space-time block codes constructed by combining orthogonal designs with sphere packing for an arbitrary number of transmit antennas. The structure of the orthogonal designs is exploited to guarantee full diversity, and sphere packing is used to improve the coding advantage. Space-time block code construction from block-orthogonal designs is also considered: the full-diversity property is ensured by rotating the sphere packing underlying the code, and the optimal rotation angle is determined for a class of sphere packing. Code design examples are provided for two and four transmit antennas and various transmission rates. The simulation results show that by jointly designing the symbols in the orthogonal designs, the performance of the block codes can be significantly increased.
Year
DOI
Venue
2009
10.1109/TIT.2009.2013027
IEEE Transactions on Information Theory
Keywords
Field
DocType
antenna arrays,block codes,diversity reception,orthogonal codes,space-time codes,transmitting antennas,block-orthogonal designs,code design,full-diversity property,modulation and coding methods,multiantenna wireless communication systems,orthogonal space-time block codes,sphere packing,trantransmit antennas,Diversity product,multiple antennas,multiple-input multiple-output (MIMO) systems,orthogonal designs,space-time block codes (STBCs),sphere packing
Space time,Combinatorics,Wireless,Computer science,Sphere packing,Block code,Block design,Antenna array,Modulation,Encoding (memory)
Journal
Volume
Issue
ISSN
55
4
0018-9448
Citations 
PageRank 
References 
1
0.48
25
Authors
3
Name
Order
Citations
PageRank
Weifeng Su11612102.93
Z. Safar224113.32
K. J. Ray Liu310390743.86