Presentation 2009/11/19
Study on optimum relay position for amplify-and-forward protocol based on outage analysis
Kazunori HAYASHI, Hideaki SAKAI,
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Abstract(in English) This paper considers the optimum relay position of wireless 2-hop relay transmission systems based on amplify-and-forward (AF) protocol. The probability of outage, which is defined as a probability that the instantaneous signal-to-noise ratio (SNR) becomes lower than a certain threshold, is used as the performance measure. The optimum relay positions are found using the analytical expressions of the probability for three different channel models. We have analytically shown that in a certain channel model the optimum relay position does not depend on the transmit power for the relay node or the threshold of the outage event. Moreover, we have numerically shown that the optimum relay position in a flat Rayleigh fading environment is rather close to the destination than the source even when the transmit power of the source is the same as that of the relay.
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Keyword(in English) wireless relay / amplify-and-forward protocol / outage analysis
Paper # A・P2009-124,RCS2009-146
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Conference Date 2009/11/19(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Study on optimum relay position for amplify-and-forward protocol based on outage analysis
Sub Title (in English)
Keyword(1) wireless relay
Keyword(2) amplify-and-forward protocol
Keyword(3) outage analysis
1st Author's Name Kazunori HAYASHI
1st Author's Affiliation Graduate School of Informatics, Kyoto University()
2nd Author's Name Hideaki SAKAI
2nd Author's Affiliation Graduate School of Informatics, Kyoto University
Date 2009/11/19
Paper # A・P2009-124,RCS2009-146
Volume (vol) vol.109
Number (no) 304
Page pp.pp.-
#Pages 6
Date of Issue