506 search results - page 8 / 102 » Comments on Broadcast Channels |
CORR
2008
Springer
13 years 10 months ago
2008
Springer
We investigate the effects of user cooperation on the secrecy of broadcast channels by considering a cooperative relay broadcast channel. We show that user cooperation can increase...
ICC
2008
IEEE
14 years 4 months ago
2008
IEEE
— A multiple transmit antenna, single receive antenna (per receiver) downlink channel with limited channel feedback is considered. Given a constraint on the total system-wide cha...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
— We consider a multi-user MIMO downlink where the transmitter has only estimates of the channel while the receivers have perfect channel information. The impact of channel estim...
APPT
2003
Springer
14 years 3 months ago
2003
Springer
The increase number of mobile users in wireless environment affects query access time substantially. To minimise the query access time, one possible way is to employ data broadcast...
COCO
2004
Springer
14 years 3 months ago
2004
Springer
We investigate coin-flipping protocols for multiple parties in a quantum broadcast setting: • We propose and motivate a definition for quantum broadcast. Our model of quantum ...