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JSAC
2006
104views more  JSAC 2006»
13 years 8 months ago
Queue Proportional Scheduling via Geometric Programming in Fading Broadcast Channels
For fading broadcast channels (BC), a throughput optimal scheduling policy called queue proportional scheduling (QPS) is presented via geometric programming (GP). QPS finds a data ...
Kibeom Seong, Ravi Narasimhan, John M. Cioffi
JCM
2007
162views more  JCM 2007»
13 years 8 months ago
Opportunistic Spectrum Access in Fading Channels Through Collaborative Sensing
— Spectrum scarcity is becoming a major issue for service providers interested in either deploying new services or enhancing the capacity for existing applications. On the other ...
Amir Ghasemi, Elvino S. Sousa
ICASSP
2009
IEEE
13 years 6 months ago
Fixed SINR solutions for the MIMO wiretap channel
This paper studies the use of artificial interference in reducing the likelihood that a message transmitted between two multiantenna nodes is intercepted by an undetected eavesdro...
A. Lee Swindlehurst
GLOBECOM
2007
IEEE
14 years 2 months ago
Centralized Scheduling Tree Construction Under Multi-Channel IEEE 802.16 Mesh Networks
—This paper focuses on routing tree construction problem and its influence on the performance of utilizing centralized scheduling in IEEE 802.16 mesh networks. We apply three rou...
Wenhua Jiao, Pin Jiang, Ruoju Liu, Ming Li
CORR
2007
Springer
72views Education» more  CORR 2007»
13 years 8 months ago
How much feedback is required in MIMO Broadcast Channels?
— In this paper, a downlink communication system, in which a Base Station (BS) equipped with M antennas communicates with N users each equipped with K receive antennas is conside...
Alireza Bayesteh, Amir K. Khandani