130 search results - page 8 / 26 » Information Access in Africa: Problems with Every Channel |
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
In this paper, we examine the problem of overcomplete representations and provide new insights into the problem of stable recovery of sparse solutions in noisy environments. We es...
GLOBECOM
2006
IEEE
15 years 3 months ago
2006
IEEE
Abstract— A home network is a residential local area network, in which users are networking their PCs, laptops or wireless multimedia appliances to use a single residential acces...
CORR
2006
Springer
14 years 10 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...
AINA
2006
IEEE
14 years 11 months ago
2006
IEEE
In this paper, we study the problem of data gathering in multi-hop wireless sensor networks. To tackle the high degree of channel contention and high probability of packet collisi...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
In this paper, we consider the problem of secret communication through Rayleigh fading single-input multiple-output (SIMO) broadcast channel in the presence of an eavesdropper. At...