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CORR
2007
Springer
72views Education» more  CORR 2007»
15 years 6 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
TSMC
2002
105views more  TSMC 2002»
15 years 6 months ago
On the use of learning automata in the control of broadcast networks: a methodology
Due to its fixed assignment nature, the well-known time division multiple access (TDMA) protocol suffers from poor performance when the offered traffic is bursty. In this paper, an...
Georgios I. Papadimitriou, Mohammad S. Obaidat, An...
PIMRC
2010
IEEE
15 years 4 months ago
A multi-threshold scheme for feedback load reduction in multiuser MIMO broadcast channel
In a multiuser system, independent time-varying channels among different users can be exploited to provide multiuser diversity (MUD) gain and increase the system throughput. For th...
Jin-Hao Li, Hsuan-Jung Su, Yu-Lun Tsai
ISCA
2005
IEEE
99views Hardware» more  ISCA 2005»
15 years 12 months ago
Improving Multiprocessor Performance with Coarse-Grain Coherence Tracking
To maintain coherence in conventional shared-memory multiprocessor systems, processors first check other processors’ caches before obtaining data from memory. This coherence che...
Jason F. Cantin, Mikko H. Lipasti, James E. Smith
MM
2005
ACM
115views Multimedia» more  MM 2005»
15 years 12 months ago
Accurate repeat finding and object skipping using fingerprints
This paper introduces a novel and very accurate segmentation algorithm. It is very efficient and consumes less than 10% of CPU on a simple desktop PC to segment a stream in real-t...
Cormac Herley