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CISS
2008
IEEE
14 years 3 months ago
Resource and power costs in dynamic spectrum allocation
— We consider a network setting, where a single Service Provider (SP) provides wireless data services to a group of users in the downlink. The transmission model is similar to OF...
Joydeep Acharya, Roy D. Yates
IWCMC
2009
ACM
14 years 3 months ago
Multiple-antenna multiple-relay system with precoding for multiuser transmission
Multi-hop relaying will play a central role in next generation wireless systems. In this paper a novel relaying strategy that uses multiple-input multiple-output (MIMO) relays in ...
Arash Talebi, Witold A. Krzymien
ICMCS
2006
IEEE
179views Multimedia» more  ICMCS 2006»
14 years 2 months ago
Optimizing Algorithms for Region-of-Interest Video Compression, with Application to Mobile Telehealth
Wireless communication of video poses constraints on information capacity. Region-of-Interest (ROI) video coding provides higher quality in the ROI, but poorer quality in the back...
Sira Rao, Nikil Jayant
ICCSA
2009
Springer
14 years 3 months ago
VC-GTS: Virtual Cut-Through GTS Allocation Scheme for Voice Traffic in Multihop IEEE 802.15.4 Systems
Supporting multimedia traffic is one of the major challenges for the next generation of wireless personal area networks (WPANs). Especially, the IEEE 802.15.4 WPAN standards specif...
Junwoo Jung, Hoki Baek, Jaesung Lim
IWCMC
2010
ACM
14 years 1 months ago
Energy-aware online routing with QoS constraints in multi-rate wireless ad hoc networks
Wireless ad hoc networks consist of hundreds to thousands of mobile nodes that are powered by batteries. To prolong the network operational time, energy conservation in such netwo...
Wei Yang, Weifa Liang, Jun Luo, Wenhua Dou