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ICASSP
2009
IEEE
13 years 11 months ago
Optimized opportunistic multicast scheduling (OMS) over heterogeneous cellular networks
Optimized opportunistic multicast scheduling (OMS) has been studied previously by the authors for homogeneous cellular networks, where the problem of efficiently transmitting a co...
Tze-Ping Low, Man-On Pun, Yao-Win Peter Hong, C.-C...
TWC
2008
133views more  TWC 2008»
13 years 7 months ago
Beam Selection Strategies for Orthogonal Random Beamforming in Sparse Networks
Abstract--Orthogonal random beamforming (ORB) constitutes a mean to exploit spatial multiplexing and multi-user diversity (MUD) gains in multi-antenna broadcast channels. To do so,...
José López Vicario, Roberto Bosisio,...
EUROSSC
2007
Springer
14 years 1 months ago
Recognition of User Activity Sequences Using Distributed Event Detection
We describe and evaluate a distributed architecture for the online recognition of user activity sequences. In a lower layer, simple heterogeneous atomic activities were recognised ...
Oliver Amft, Clemens Lombriser, Thomas Stiefmeier,...
WOWMOM
2005
ACM
109views Multimedia» more  WOWMOM 2005»
14 years 1 months ago
A High-Throughput MAC Strategy for Next-Generation WLANs
WLAN technology has been shown a revolutionary development during the last decade. Recently popularized IEEE 802.11a/gbased products can support up to 54 Mbps PHY (Physical layer)...
Seongkwan Kim, Youngsoo Kim, Sunghyun Choi, Kyungh...
VTC
2007
IEEE
192views Communications» more  VTC 2007»
14 years 1 months ago
Access Scheduling Based on Time Water-Filling for Next Generation Wireless LANs
Opportunistic user access scheduling enhances the capacity of wireless networks by exploiting the multi user diversity. When frame aggregation is used, opportunistic schemes are no...
Ertugrul Necdet Ciftcioglu, Özgür Gü...