67 search results - page 5 / 14 » On the Energy Efficiency of Hybrid-ARQ Protocols in Fading C... |
PIMRC
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract-- Due to the limited energy supplies of nodes in wireless networks, achieving energy efficiency is crucial for extending the lifetime of these networks. Thus, we study eff...
ICC
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract— The 802.15.4 WSN standard provides optional reliability through positive acknowledgments. Since positive-ACKs are not designed for energy efficiency, there is significa...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
—This paper presents an opportunistic feedback (OF) protocol that achieves the asymptotic sum-capacity of the fading broadcast channel (BC) with a limited amount of feedback. The...
AINA
2007
IEEE
14 years 1 months ago
2007
IEEE
In this paper, we introduce novel probabilistic transmission protocols for data intensive wireless sensor networks. The protocols combine a randomized transmission scheme with sch...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
1 The low-SNR capacity of M-ary PSK transmission over both the additive white Gaussian noise (AWGN) and fading channels is analyzed when hard-decision detection is employed at the ...