626 search results - page 68 / 126 » Power Control for User Cooperation |
CARDIS
2006
Springer
14 years 1 months ago
2006
Springer
In this paper we propose three smartcard-based variants of anonymous authentication using unique one-time pseudonyms. The first variant can be used to authenticate a user. However,...
MC
2007
13 years 11 months ago
2007
Appropriate awareness support has been an issue in the area of Computer-Supported Cooperative Work (CSCW) for quite a while. Yet, many challenges like the dual trade-off between a...
IEEEIAS
2008
IEEE
14 years 4 months ago
2008
IEEE
: In the autonomous environment of mobile ad hoc network (MANET) where nodes are free to move around and depend on each other to initiate communication, cooperation among nodes is ...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
— We consider a cognitive radio system like the future 802.22 networks where license-exempt service providers (SPs) will share a fixed spectrum in a non-interference basis to ea...
MOBISYS
2007
ACM
14 years 9 months ago
2007
ACM
Presence-sharing is an emerging platform for mobile applications, but presence-privacy remains a challenge. Privacy controls must be flexible enough to allow sharing between both ...