130 search results - page 4 / 26 » Information Access in Africa: Problems with Every Channel |
ICC
2000
IEEE
15 years 2 months ago
2000
IEEE
: A new push-and-pull hybrid data broadcast scheme is proposed for providing wireless information services to three types of clients, general, pull and priority clients. Only pull ...
JSAC
2007
14 years 9 months ago
2007
— Channel state information (CSI) is important for achieving large rates in MIMO channels. However, in timevarying MIMO channels, there is a tradeoff between the time/energy spen...
MACOM
2010
14 years 4 months ago
2010
One of the applications of wireless sensor networks currently undergoing active research focuses on the scenario where the information generated by a data source S is simultaneousl...
CORR
2010
Springer
14 years 10 months ago
2010
Springer
The knowledge of channel statistics can be very helpful in making sound opportunistic spectrum access decisions. It is therefore desirable to be able to efficiently and accurately...
CORR
2010
Springer
14 years 10 months ago
2010
Springer
We consider i) the overhead minimization of maximum-distance seperable (MDS) storage codes for the repair of a single failed node and ii) the total secure degrees-of-freedom (S-DoF...