386 search results - page 57 / 78 » Achievable Rates for the Gaussian Interference Relay Channel |
EJWCN
2010
13 years 2 months ago
2010
Abstract--Transmit diversity is necessary in harsh environments to reduce the required transmit power for achieving a given error performance at a certain transmission rate. In net...
SIGCOMM
2009
ACM
14 years 2 months ago
2009
ACM
This paper presents SoftRate, a wireless bit rate adaptation protocol that is responsive to rapidly varying channel conditions. Unlike previous work that uses either frame recepti...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
Abstract-- Two-tier networks, comprising a conventional cellular network overlaid with shorter range hotspots (e.g. femtocells, distributed antennas, or wired relays), offer an eco...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
Cooperative transmission schemes can offer benefits in terms of diversity and multiplexing gain compared with conventional direct transmission by forming a virtual antenna array. I...
CORR
2006
Springer
13 years 7 months ago
2006
Springer
For a fading Gaussian multiple access channel with user cooperation, we obtain the optimal power allocation policies that maximize the rates achievable by block Markov superpositi...