Sciweavers

ADHOCNOW
2008
Springer
14 years 6 months ago
DIN: An Ad-Hoc Algorithm to Estimate Distances in Wireless Sensor Networks
Abstract. A current challenge in wireless sensor networks is the positioning of sensor nodes for indoor environments without dedicated hardware. Especially in this domain, many app...
Freddy López Villafuerte, Jochen H. Schille...
ADHOCNOW
2008
Springer
14 years 6 months ago
Utility-Based Uplink Power Control in CDMA Wireless Networks with Real-Time Services
In this paper we address the problem of efficient power allocation in the uplink of CDMA wireless networks, emphasizing on the support of realtime services’ QoS prerequisites. Th...
Timotheos Kastrinogiannis, Eirini-Eleni Tsiropoulo...
ADHOCNOW
2008
Springer
14 years 6 months ago
Local Maximal Matching and Local 2-Approximation for Vertex Cover in UDGs
We present 1 − approximation algorithms for the maximum matching problem in location aware unit disc graphs and in growth-bounded graphs. The algorithm for unit disk graph is loc...
Andreas Wiese, Evangelos Kranakis
ADHOCNOW
2008
Springer
14 years 6 months ago
Request Satisfaction Problem in Synchronous Radio Networks
We study two algorithmical problems inspired from routing constraints in a multihop synchronous radio network. Our objective is to satisfy a given set of communication requests in ...
Benoît Darties, Sylvain Durand, Jér&o...
ADHOCNOW
2008
Springer
14 years 6 months ago
Analysis of IEEE 802.11e Line Topology Scenarios in the Presence of Hidden Nodes
In this paper an innovative simulation study of five IEEE 802.11e network configurations is presented. The conducted analysis is crucial for understanding how a theoretically simpl...
Katarzyna Kosek, Marek Natkaniec, Andrzej R. Pach
ADHOCNOW
2008
Springer
14 years 6 months ago
Novel Algorithms for the Network Lifetime Problem in Wireless Settings
Abstract. A wireless ad-hoc network is a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited, nonreplenishable battery charge. The batte...
Michael Elkin, Yuval Lando, Zeev Nutov, Michael Se...
ADHOCNOW
2008
Springer
14 years 6 months ago
Adapting BitTorrent to Wireless Ad Hoc Networks
Abstract. BitTorrent is one of the Internet’s most efficient content distribution protocols. It is known to perform very well over the wired Internet where end-to-end performance...
Mohamed Karim Sbai, Chadi Barakat, Jaeyoung Choi, ...
ADHOCNOW
2008
Springer
14 years 6 months ago
Geographic Routing with Early Obstacles Detection and Avoidance in Dense Wireless Sensor Networks
Existing geographic routing algorithms for sensor networks are mainly concerned with finding a path toward a destination, without explicitly addressing the impact of obstacles on ...
Luminita Moraru, Pierre Leone, Sotiris E. Nikolets...
ADHOCNOW
2008
Springer
14 years 6 months ago
Mitigating Reply Implosions in Query-Based Service Discovery Protocols for Mobile Wireless Ad Hoc Networks
Providing service discovery in an efficient and scalable way in ad hoc networks is a challenging problem, in particular for multihop scenarios, due to the large number of potential...
Antônio Tadeu A. Gomes, Artur Ziviani, Lucia...
ADHOCNOW
2008
Springer
14 years 6 months ago
Localized Spanner Construction for Ad Hoc Networks with Variable Transmission Range
Abstract. This paper presents an algorithm for constructing a spanner for ad hoc networks whose nodes have variable transmission range. Almost all previous spanner constructions fo...
David Peleg, Liam Roditty