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TMC
2008
108views more  TMC 2008»
15 years 6 months ago
Improving Throughput and Fairness by Reducing Exposed and Hidden Nodes in 802.11 Networks
Abstract--Two well-known problems that can cause performance degradations in IEEE 802.11 wireless networks are the exposednode (EN) and hidden-node (HN) problems. Although there ha...
Li Bin Jiang, Soung Chang Liew
CORR
2011
Springer
177views Education» more  CORR 2011»
14 years 10 months ago
Downlink SDMA with Limited Feedback in Interference-Limited Wireless Networks
The tremendous capacity gains promised by space division multiple access (SDMA) depend critically on the accuracy of the transmit channel state information. In the broadcast chann...
Marios Kountouris, Jeffrey G. Andrews
MONET
2010
125views more  MONET 2010»
15 years 4 months ago
GTPP: General Truncated Pyramid Peer-to-Peer Architecture over Structured DHT Networks
— Hierarchical Distributed Hash Table (DHT) architectures have been among the most interesting research topics since the birth of flat DHT architecture. However, most of the prev...
Zhonghong Ou, Erkki Harjula, Timo Koskela, Mika Yl...
JUCS
2006
86views more  JUCS 2006»
15 years 6 months ago
Secure Service Discovery based on Trust Management for ad-hoc Networks
Abstract: In ad-hoc networks, mobile devices communicate via wireless links without the aid of any fixed networking infrastructure. These devices must be able to discover services ...
Celeste Campo, Florina Almenárez Mendoza, D...
KDD
2009
ACM
159views Data Mining» more  KDD 2009»
16 years 6 months ago
Mining brain region connectivity for alzheimer's disease study via sparse inverse covariance estimation
Effective diagnosis of Alzheimer's disease (AD), the most common type of dementia in elderly patients, is of primary importance in biomedical research. Recent studies have de...
Liang Sun, Rinkal Patel, Jun Liu, Kewei Chen, Tere...