NDLI: Distributed Randomized Space-Time Coding for HF Transmission

Content Provider	IEEE Xplore Digital Library
Author	Sharp, M. Scaglione, A. Galli, S.
Copyright Year	2006
Description	Author affiliation: School of Electrical and Computer Engineering, Cornell University, Ithaca, NY 14853 (Sharp, M.; Scaglione, A.) \|\| Telcordia Technologies, Piscataway, NJ, 08854 (Galli, S.)
Abstract	We propose an approach that enables increased range and throughput in over-the-horizon (OTH) High Frequency (HF) communications using a novel physical layer node cooperation scheme. By exploiting multiple (and sufficiently spaced apart) low-powered man-portable radios in a collaborative fashion, it will be possible to obtain diversity gains similar to Multiple Input Multiple Output (MIMO) systems and, therefore, to maximize link reliability, to increase communication range for a given throughput and power or, to increase throughput for a given range and power. Our schemes are based on randomized space-time coding in the framework of distributed cooperative networks. In this paper, we compare single and multi-carrier transmission schemes, and we show that, by increasing the number of nodes while keeping the total transmit power fixed, we can approach the diversity obtainable by conventional MIMO schemes. We also observe that the Time-Reversal Space-Time Block Coding scheme (TR-STBC) performs the best among the three schemes we compare. The proposed architecture will provide power savings and diversity gains that will increase the reliability of OTH-HF communications in the absence of terrestrial infrastructure.
Starting Page	1
Ending Page	6
File Size	7375684
Page Count	6
File Format	PDF
ISBN	142440617X
DOI	10.1109/MILCOM.2006.302521
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hafnium Throughput MIMO Diversity methods Power system reliability Frequency Physical layer Collaboration Telecommunication network reliability Block codes
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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