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Performance of spread-spectrum radio techniques in an interference-limited HF environment
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. (Radio Communication Systems)
1995 (English)In: Military Communications Conference, 1995. MILCOM '95, Conference Record, IEEE, New York: IEEE , 1995, 347-351 p.Conference paper, Published paper (Refereed)
Abstract [en]

In HF radio communications, the performance is often limited by the large amount of mostly narrowband interfering signals from other HF users. Therefore, when evaluating  HF spread­spectrum systems, a statistical model of the  interference is necessary. In this work, we perform a comparison between a frequency­hopping (FH) and a direct­sequence (DS) spread­spectrum system, for an interference  model based on the HF congestion prediction model by  Laycock and Gott. The performance measure used is the  error probability for the uncoded bits.  The results show that the FH system performs better than  the DS system on the interference­limited HF channel.  The performance of the FH system can also be further  improved by introducing so­called adaptive frequency­hopping, which implies that the system will adaptively  use the least interfered channels for the communication.

Place, publisher, year, edition, pages
New York: IEEE , 1995. 347-351 p.
National Category
Computer and Information Science
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-28626DOI: 10.1109/MILCOM.1995.483385ISBN: 0-7803-2489-7 (print)OAI: oai:DiVA.org:kth-28626DiVA: diva2:388811
Conference
IEEE Military Communications Conference, San Diego, CA, USA, 05 nov 1995 - 08 nov 1995
Note
QC 20110120Available from: 2011-01-18 Created: 2011-01-18 Last updated: 2011-01-25Bibliographically approved

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