8512 search results - page 1639 / 1703 » Computing Theory With Relevance |
IWCMC
2009
ACM
14 years 2 months ago
2009
ACM
Multi-hop relaying will play a central role in next generation wireless systems. In this paper a novel relaying strategy that uses multiple-input multiple-output (MIMO) relays in ...
MOBICOM
2009
ACM
14 years 2 months ago
2009
ACM
In this paper we investigate the connectivity for large-scale clustered wireless sensor and ad hoc networks. We study the effect of mobility on the critical transmission range fo...
MOBICOM
2009
ACM
14 years 2 months ago
2009
ACM
In the literature, asymptotic studies of multi-hop wireless network capacity often consider only centralized and deterministic TDMA (time-division multi-access) coordination schem...
MOBICOM
2009
ACM
14 years 2 months ago
2009
ACM
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
RECSYS
2009
ACM
14 years 2 months ago
2009
ACM
We present an incentive-based architecture for providing recommendations in a social network. We maintain a distinct reputation system for each individual and we rely on users to ...