TWC
2008
13 years 11 months ago
2008
Abstract--In this paper, we propose a new cooperative communication protocol, which achieves higher bandwidth efficiency while guaranteeing the same diversity order as that of the ...
IJPP
2008
13 years 11 months ago
2008
We develop an all-to-all broadcast scheme that achieves maximum bandwidth efficiency for clusters with tree topologies. Using our scheme for clusters with cut-through switches, an...
ISCC
2003
IEEE
14 years 4 months ago
2003
IEEE
Perfect Secrecy can only be achieved in multicast groups by ciphering data sent to the group with a different key every time a member joins or leaves the group. A Key Server must ...