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INFOCOM
2011
IEEE
14 years 1 months ago
PVA in VANETs: Stopped cars are not silent
—In Vehicular Ad Hoc Networks (VANETs), the major communication challenge lies in very poor connectivity, which can be caused by sparse or unbalanced traffic. Deploying supporti...
Nianbo Liu, Ming Liu, Wei Lou, Guihai Chen, Jianno...
CISS
2008
IEEE
14 years 12 months ago
Client-centric fractional frequency reuse based on user cooperation in OFDMA networks
Abstract--This paper proposes client-centric fractional frequency reuse (CC-FFR) techniques for interference mitigation in OFDMA-based cellular wireless networks. In this framework...
Stefan Geirhofer, Ozgur Oyman
JSAC
2008
106views more  JSAC 2008»
14 years 9 months ago
Enhanced multiuser random beamforming: dealing with the not so large number of users case
We consider the downlink of a wireless system with an M-antenna base station and K single-antenna users. A limited feedback-based scheduling and precoding scenario is considered th...
Marios Kountouris, David Gesbert, Thomas Sälz...
MOBISYS
2009
ACM
15 years 10 months ago
R2D2: regulating beam shape and rate as directionality meets diversity
We design, implement, and evaluate a vehicular communication system that improves uplink connectivity through multi-lobe beam pattern switching on a smart antenna. Directionality ...
Kishore Ramachandran, Ravi Kokku, Karthikeyan Sund...
JSAC
2007
83views more  JSAC 2007»
14 years 9 months ago
Constructing an optimal server set in structured peer-to-peer networks
— To achieve high performance and resilience to failures, a client can make connections with multiple servers simultaneously and receive different portions of the data from each ...
Seung Chul Han, Ye Xia