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TWC
2008
85views more  TWC 2008»
15 years 4 months ago
Scaling laws of multiple antenna group-broadcast channels
Broadcast (or point to multipoint) communication has attracted a lot of research recently. In this paper, we consider the group broadcast channel where the users' pool is divi...
Tareq Y. Al-Naffouri, Amir F. Dana, Babak Hassibi
ICASSP
2009
IEEE
15 years 2 months ago
Joint optimization of the redundancy of multiple-description coders for multicast
We consider the optimization of multicast over packet-switched communication networks with a non-zero packet-loss probability. For the system setup consisting of a number of multi...
Ermin Kozica, W. Bastiaan Kleijn
CC
2010
Springer
117views System Software» more  CC 2010»
15 years 1 months ago
Efficiently Certifying Non-Integer Powers
We describe a randomized algorithm that, given an integer a, produces a certificate that the integer is not a pure power of an integer in expected (log a)1+o(1) bit operations unde...
Erich Kaltofen, Mark Lavin
CDC
2010
IEEE
139views Control Systems» more  CDC 2010»
14 years 11 months ago
Communication, convergence, and stochastic stability in self-assembly
Existing work on programmable self assembly has focused on deterministic performance guarantees--stability of desirable states. In particular, for any acyclic target graph a binary...
Michael J. Fox, Jeff S. Shamma
INFOCOM
2012
IEEE
13 years 6 months ago
SybilDefender: Defend against sybil attacks in large social networks
—Distributed systems without trusted identities are particularly vulnerable to sybil attacks, where an adversary creates multiple bogus identities to compromise the running of th...
Wei Wei, Fengyuan Xu, Chiu Chiang Tan, Qun Li