Sciweavers

MP
2007
100views more  MP 2007»
13 years 10 months ago
Power optimization for connectivity problems
Given a graph with costs on the edges, the power of a node is the maximum cost of an edge leaving it, and the power of the graph is the sum of the powers of the nodes of this graph...
Mohammad Taghi Hajiaghayi, Guy Kortsarz, Vahab S. ...
CONEXT
2008
ACM
14 years 19 days ago
ALPHA: an adaptive and lightweight protocol for hop-by-hop authentication
Wireless multi-hop networks are particularly susceptible to attacks based on flooding and the interception, tampering with, and forging of packets. Thus, reliable communication in...
Tobias Heer, Stefan Götz, Oscar García...
IWQOS
2005
Springer
14 years 4 months ago
WXCP: Explicit Congestion Control for Wireless Multi-hop Networks
Abstract. TCP experiences serious performance degradation in wireless multi-hop networks with its probe-based, loss-driven congestion control scheme. We describe the Wireless eXpli...
Yang Su, Thomas R. Gross
SASN
2006
ACM
14 years 4 months ago
Attacker traceback with cross-layer monitoring in wireless multi-hop networks
Denial-of-Service (DoS) and Distributed DoS (DDoS) attacks can cause serious problems in wireless networks due to its limited network/host resources. Attacker traceback is a promi...
Yongjin Kim, Ahmed Helmy
PEWASUN
2006
ACM
14 years 4 months ago
Revisiting neighbor discovery with interferences consideration
In wireless multi-hop networks, hello protocols for neighbor discovery are a basic service offered by the networking stack. However, their study usually rely on rather simplistic...
Elyes Ben Hamida, Guillaume Chelius, Eric Fleury
INFOCOM
2007
IEEE
14 years 5 months ago
Detecting Wormhole Attacks in Wireless Networks Using Connectivity Information
Abstract—We propose a novel algorithm for detecting wormhole attacks in wireless multi-hop networks. The algorithm uses only connectivity information to look for forbidden substr...
Ritesh Maheshwari, Jie Gao, Samir R. Das
BROADNETS
2007
IEEE
14 years 5 months ago
Practical time synchronization for Bluetooth Scatternets
Abstract— By means of so-called Scatternets, Bluetooth provides the ability to construct robust wireless multi-hop networks. In this paper we propose a practical protocol for tim...
Matthias Ringwald, Kay Römer
SECON
2008
IEEE
14 years 5 months ago
DiffQ: Differential Backlog Congestion Control for Wireless Multi-hop Networks
Congestion control in wireless multi-hop networks is challenging because of two reasons. First, broadcast is an inherent feature of wireless networks and motivates many creative p...
Ajit Warrier, Sangtae Ha, P. Wason, Injong Rhee, J...
GLOBECOM
2008
IEEE
14 years 5 months ago
Phase Transition Properties in K-Connected Wireless Multi-Hop Networks
—Consider a wireless multi-hop network formed by distributing a total of n nodes randomly and uniformly in the unit cube [0, 1]d (d = 1, 2, 3) and connecting any two distinct nod...
Xiaoyuan Ta, Guoqiang Mao, Brian D. O. Anderson
INFOCOM
2009
IEEE
14 years 5 months ago
DiffQ: Practical Differential Backlog Congestion Control for Wireless Networks
—Congestion control in wireless multi-hop networks is challenging and complicated because of two reasons. First, interference is ubiquitous and causes loss in the shared medium. ...
Ajit Warrier, Sankararaman Janakiraman, Sangtae Ha...