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CCR
2006
92views more  CCR 2006»
13 years 9 months ago
A cooperative uplink power control scheme for elastic data services in wireless CDMA systems
We consider the uplink power control problem in a single cell CDMA wireless data system. Each user specifies upper and lower QoS bounds. We formulate the considered problem as a g...
George Alyfantis, Stathes Hadjiefthymiades, Lazaro...
CORR
2007
Springer
93views Education» more  CORR 2007»
13 years 9 months ago
Opportunistic Scheduling and Beamforming for MIMO-SDMA Downlink Systems with Linear Combining
Opportunistic scheduling and beamforming schemes are proposed for multiuser MIMO-SDMA downlink systems with linear combining in this work. Signals received from all antennas of ea...
Man-On Pun, Visa Koivunen, H. Vincent Poor
VTC
2010
IEEE
140views Communications» more  VTC 2010»
13 years 7 months ago
Analysis of Local Quasi-Stationarity Regions in an Urban Macrocell Scenario
—A common simplification in the treatment of random linear channels is the wide-sense stationary and uncorrelated scattering (WSSUS) assumption. For wireless channels, this assu...
Adrian Ispas, Gerd Ascheid, Christian Schneider, R...
ICDCS
2009
IEEE
14 years 6 months ago
Distributed Processing of Spatial Alarms: A Safe Region-Based Approach
Spatial alarms are considered as one of the basic capabilities in future mobile computing systems for enabling personalization of location-based services. In this paper, we propos...
Bhuvan Bamba, Ling Liu, Arun Iyengar, Philip S. Yu
TKDE
2010
370views more  TKDE 2010»
13 years 7 months ago
Anonymous Query Processing in Road Networks
—The increasing availability of location-aware mobile devices has given rise to a flurry of location-based services (LBS). Due to the nature of spatial queries, an LBS needs the...
Kyriakos Mouratidis, Man Lung Yiu