130 search results - page 2 / 26 » Information Access in Africa: Problems with Every Channel |
INTERSPEECH
2010
13 years 1 months ago
2010
In light of the serious problems with both illiteracy and information access in the developing world, there is a widespread belief that speech technology can play a significant ro...
DCC
2007
IEEE
14 years 6 months ago
2007
IEEE
In this paper, we consider lossless transmission of arbitrarily correlated sources over a multiple access channel. Characterization of the achievable rates in the most general set...
PIMRC
2008
IEEE
14 years 1 months ago
2008
IEEE
— We consider the problem of rate allocation in a fading Gaussian multiple-access channel with fixed transmission powers. The goal is to maximize a general concave utility funct...
SUTC
2006
IEEE
2006
IEEE
Schedules with Minimized Access Latency for Disseminating Dependent Information on Multiple Channels
14 years 1 months ago
In wireless mobile environments, data broadcasting is an effective approach to disseminate information to mobile clients. In some applications, the access pattern of all the data...
ICC
2007
IEEE
13 years 8 months ago
2007
IEEE
— In this paper, we consider the time-slotted ALOHA packetized multiple-access system where the transmission channels obey i.i.d (independent identically distributed) Rayleigh fa...