408 search results - page 36 / 82 » Information Transmission Over Fading Channels |
ICC
2008
IEEE
15 years 6 months ago
2008
IEEE
— The use of constant-power, rate-adaptive M-QAM transmission with an amplify-and-forward cooperative system is proposed. The upper bound expressions are derived for the outage p...
CORR
2008
Springer
14 years 12 months ago
2008
Springer
A coded modulation system is considered in which nonbinary coded symbols are mapped directly to nonbinary modulation signals. It is proved that if the modulator-channel combination...
104
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TCOM
2008
14 years 11 months ago
2008
We study a distributed version of switch-and-stay combining (DSSC) for systems that utilize two relays. In particular, four different scenarios are considered, depending on a) whet...
TWC
2008
14 years 11 months ago
2008
Abstract--In this paper, we propose a robust STBC transmission scheme to combat timing synchronization errors over frequency-selective multiple-access channels. We start by derivin...
114
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BROADNETS
2004
IEEE
15 years 3 months ago
2004
IEEE
Channel-aware scheduling and link adaptation (LA) methods are widely considered to be crucial for realizing high data rates in wireless networks. Multi-carrier systems that spread...