658 search results - page 89 / 132 » Lower bounds for sorting networks |
WWW
2006
ACM
14 years 8 months ago
2006
ACM
An important issue arising from Peer-to-Peer applications is how to accurately and efficiently retrieve a set of K best matching data objects from different sources while minimizi...
INFOCOM
2009
IEEE
14 years 2 months ago
2009
IEEE
— We study the problem of shortest-path geographic routing in a static sensor network. Existing algorithms often make routing decisions based on node information in local neighbo...
AAIM
2009
Springer
14 years 2 months ago
2009
Springer
In the frequency assignment problem we are given a graph representing a wireless network and a sequence of requests, where each request is associated with a vertex. Each request h...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
— We consider beamforming in a cognitive network with multiple primary users and secondary users sharing the same spectrum. In particular, we assume that each secondary transmitt...
VTC
2008
IEEE
14 years 2 months ago
2008
IEEE
–In this paper we present an analytical model for delay tolerant message propagation in a dynamic vehicular network. The analysis provides upper and lower bounds for message prop...