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CISS
2007
IEEE
15 years 8 months ago
How Many Users should be Turned On in a Multi-Antenna Broadcast Channel
This paper considers broadcast channels with L antennas at the base station and m single-antenna users, where each user has perfect channel knowledge and the base station obtains c...
Wei Dai, Youjian Liu, Brian Rider
IPPS
2000
IEEE
15 years 9 months ago
Broadcasting in Hypercubes in the Circuit Switched Model
In this paper, we propose a method which enables us to construct almost optimal broadcast schemes on an n-dimensional hypercube in the circuit switched, -port model. In this mode...
Jean-Claude Bermond, Takako Kodate, Stephane Peren...
JSW
2008
101views more  JSW 2008»
15 years 4 months ago
Broadcast Authentication with Practically Unbounded One-way Chains
A protocol for assuring the authenticity of information broadcasted over long periods of time is proposed. The protocol is based on time synchronization and uses one-way chains con...
Bogdan Groza
ICC
2007
IEEE
213views Communications» more  ICC 2007»
15 years 11 months ago
On the Achievable Throughput of MIMO Broadcast Channels with Finite Rate Feedback
Abstract— We consider multiuser scheduling with limited feedback of partial channel state information in MIMO broadcast channels. By using spatial multiplexing at the base statio...
Wei Zhang, Khaled Ben Letaief
122
Voted
ICMCS
2007
IEEE
159views Multimedia» more  ICMCS 2007»
15 years 11 months ago
Multi-Modal Person-Profiles from Broadcast News Video
The need to analyze and index large amounts of video information is becoming more important as the way people consume media continues to change. In recent years, the push to attac...
Charlie K. Dagli, Sharad V. Rao, Thomas S. Huang