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ICASSP
2011
IEEE
12 years 11 months ago
Pilot optimization for time-delay and channel estimation in OFDM systems
Orthogonal frequency division multiplexing (OFDM) communication systems require accurate estimation of timing offset and channel impulse response in order to achieve desirable per...
Michael D. Larsen, Gonzalo Seco-Granados, A. Lee S...
INFOCOM
2010
IEEE
13 years 6 months ago
Distributed Caching Algorithms for Content Distribution Networks
—The delivery of video content is expected to gain huge momentum, fueled by the popularity of user-generated clips, growth of VoD libraries, and wide-spread deployment of IPTV se...
Sem C. Borst, Varun Gupta, Anwar Walid
ISCC
2005
IEEE
14 years 1 months ago
Optimizing the Reliable Distribution of Large Files within CDNs
Abstract Content Delivery Networks (CDNs) provide an efficient support for serving http and streaming media content while minimizing the network impact of content delivery as well...
Ludmila Cherkasova
TC
1998
13 years 7 months ago
Realizing Common Communication Patterns in Partitioned Optical Passive Stars (POPS) Networks
—We consider the problem of realizing several common communication structures in the all-optical Partitioned Optical Passive Stars (POPS) topology. We show that, often, the obvio...
Greg Gravenstreter, Rami G. Melhem
INFOCOM
2012
IEEE
11 years 10 months ago
SpeedBalance: Speed-scaling-aware optimal load balancing for green cellular networks
—This paper considers a component-level deceleration technique in BS operation, called speed-scaling, that is more conservative than entirely shutting down BSs, yet can conserve ...
Kyuho Son, Bhaskar Krishnamachari