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TCOM
2010
195views more  TCOM 2010»
14 years 4 months ago
Coherent and Differential Space-Time Shift Keying: A Dispersion Matrix Approach
Abstract--Motivated by the recent concept of Spatial Modulation (SM), we propose a novel Space-Time Shift Keying (STSK) modulation scheme for Multiple-Input Multiple-Output (MIMO) ...
Shinya Sugiura, Sheng Chen, Lajos Hanzo
MOBISYS
2007
ACM
15 years 9 months ago
MobiSteer: using steerable beam directional antenna for vehicular network access
In this work, we investigate the use of directional antennas and beam steering techniques to improve performance of 802.11 links in the context of communication between a moving v...
Vishnu Navda, Anand Prabhu Subramanian, Kannan Dha...
MOBIHOC
2006
ACM
15 years 9 months ago
Fundamental scaling laws for energy-efficient storage and querying in wireless sensor networks
We use a constrained optimization framework to derive fundamental scaling laws for both unstructured sensor networks (which use blind sequential search for querying) and structure...
Joon Ahn, Bhaskar Krishnamachari
GLOBECOM
2009
IEEE
15 years 4 months ago
Improving Deployability of Peer-Assisted CDN Platform with Incentive
Abstract—As a promising solution to manage the huge workload of large-scale VoD services, managed peer-assisted CDN systems, such as P4P [25] has attracted attention. Although th...
Tatsuya Mori, Noriaki Kamiyama, Shigeaki Harada, H...
MOBIDE
2009
ACM
15 years 4 months ago
Toward context and preference-aware location-based services
The explosive growth of location-detection devices, wireless communications, and mobile databases has resulted in the realization of location-based services as commercial products...
Mohamed F. Mokbel, Justin J. Levandoski