107 search results - page 15 / 22 » Diversity-Multiplexing Tradeoff in Cooperative Multiple Acce... |
SECON
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract—In multicast/broadcast services over infrastructurebased/cellular wireless networks (e.g. 3G cellular networks, WiMax, DVB), data is transmitted to multiple recipients f...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
In many half-duplex cooperative systems, the direct formulation of the problem of finding the jointly optimal power and channel resource allocation that maximizes a weighted sum ...
TSP
2008
13 years 7 months ago
2008
A random access protocol named ALLIANCES was recently proposed, that achieves high throughput by resolving collisions in wireless networks. ALLIANCES exploits diversity provided b...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
In this paper, we provide a new achievable ergodic secrecy rate region for the multiple access wiretap channel in fading. Our achievable scheme is based on repeating each symbol at...
TWC
2008
13 years 7 months ago
2008
In the first part of the paper, the capacity of a general multiuser code division multiple access (CDMA) jamming channel was analyzed for noncooperative and cooperative users in up...