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JSAC
2007
116views more  JSAC 2007»
8 years 3 months ago
GroCoca: group-based peer-to-peer cooperative caching in mobile environment
— In a mobile cooperative caching environment, we observe the need for cooperating peers to cache useful data items together, so as to improve cache hit from peers. This could be...
Chi-Yin Chow, Hong Va Leong, Alvin T. S. Chan
JSAC
2007
263views more  JSAC 2007»
8 years 4 months ago
An Empirical Study of the Coolstreaming+ System
—In recent years, there has been significant interest in adopting the Peer-to-Peer (P2P) technology for Internet live video streaming. There are primarily two reasons behind thi...
Bo Li, Susu Xie, Gabriel Yik Keung, Jiangchuan Liu...
JSAC
2007
129views more  JSAC 2007»
8 years 4 months ago
Content-Aware Resource Allocation and Packet Scheduling for Video Transmission over Wireless Networks
— A cross-layer packet scheduling scheme that streams pre-encoded video over wireless downlink packet access networks to multiple users is presented. The scheme can be used with ...
Peshala V. Pahalawatta, Randall Berry, Thrasyvoulo...
JSAC
2007
125views more  JSAC 2007»
8 years 4 months ago
Network Dimensioning under Scheduled and Random Lightpath Demands in All-Optical WDM Networks
— In WDM optical networks connection requests can be classified into three different types: Permanent Lightpath Demands (PLDs), Scheduled Lightpath Demands (SLDs), and Random Li...
Maurice Gagnaire, Mohamed Koubàa, Nicolas P...
JSAC
2007
102views more  JSAC 2007»
8 years 4 months ago
A Robust Coded MIMO FH-CDMA Transceiver for Mobile Ad Hoc Networks
Abstract— In this paper, we develop a coded MIMO FHCDMA transceiver that is robust to partial-band jamming and the near-far problem for ad hoc networks with high mobility. Spatia...
Haichang Sui, James R. Zeidler
JSAC
2007
117views more  JSAC 2007»
8 years 4 months ago
Optimization of Training and Scheduling in the Non-Coherent SIMO Multiple Access Channel
— Channel state information (CSI) is important for achieving large rates in MIMO channels. However, in timevarying MIMO channels, there is a tradeoff between the time/energy spen...
Sugumar Murugesan, Elif Uysal-Biyikoglu, Philip Sc...
JSAC
2007
147views more  JSAC 2007»
8 years 4 months ago
Capacity limits of cognitive radio with distributed and dynamic spectral activity
Abstract— We investigate the capacity of opportunistic communication in the presence of dynamic and distributed spectral activity, i.e. when the time varying spectral holes sense...
Syed Ali Jafar, Sudhir Srinivasa
JSAC
2007
117views more  JSAC 2007»
8 years 4 months ago
Spectrum sharing for unlicensed bands
We study a spectrum sharing problem in an unlicensed band where multiple systems coexist and interfere with each other. Due to asymmetries and selfish system behavior, unfair and...
Raul Etkin, Abhay Parekh, David Tse
JSAC
2007
89views more  JSAC 2007»
8 years 4 months ago
Guest Editorial Cross-layer Optimized Wireless Multimedia Communications
Pascal Frossard, Chang Wen Chen, Cormac J. Sreenan...
JSAC
2007
121views more  JSAC 2007»
8 years 4 months ago
Spare Capacity Allocation in Two-Layer Networks
Abstract— In this paper we consider the problem of provisioning spare capacity in two-layer backbone networks using shared backup path protection. First, two spare capacity alloc...
Yu Liu, David Tipper, K. Vajanapoom
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