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MOBISYS
2005
ACM
14 years 7 months ago
A relative positioning system for co-located mobile devices
If a mobile computing device knows how it is positioned and oriented in relation to other devices nearby, then it can provide enhanced support for multi-device and multi-user inte...
Mike Hazas, Christian Kray, Hans-Werner Gellersen,...
ISCC
2007
IEEE
14 years 1 months ago
Analysis of Load Dependency of Handover Strategies in Mobile Multiaccess Ambient Networks
Wireless operators incorporate multiradio access technologies aiming at expanding their customer base and benefiting from synergies of existing and planned infrastructure. The res...
Petteri Pöyhönen, Daniel Hollos, Haitao ...
SSD
2005
Springer
93views Database» more  SSD 2005»
14 years 1 months ago
Semantic Caching for Multiresolution Spatial Query Processing in Mobile Environments
Spatial data are particularly useful in mobile environments. However, due to the low bandwidth of most wireless networks, developing large spatial database applications becomes a c...
Sai Sun, Xiaofang Zhou, Heng Tao Shen
ICPP
2006
IEEE
14 years 1 months ago
Improving Spatial Reuse with Collision-Aware DCF in Mobile Ad Hoc Networks
—Carrier sensing is a medium access method widely adopted in wireless communication to protect data transfers from interference. For example, Distributed Coordination Function (D...
Lubo Song, Chansu Yu
GIS
2008
ACM
13 years 8 months ago
Spatial queries in disconnected mobile networks
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
Xinjuan Zhu, Bo Xu, Ouri Wolfson