33 search results - page 1 / 7 » Improved Approximation Algorithms for Relay Placement |
ESA
2008
Springer
13 years 6 months ago
2008
Springer
In the relay placement problem the input is a set of sensors and a number r 1, the communication range of a relay. In the one-tier version of the problem the objective is to place...
INFOCOM
2007
IEEE
13 years 11 months ago
2007
IEEE
— Existing work on placing additional relay nodes in wireless sensor networks to improve network connectivity typically assumes homogeneous wireless sensor nodes with an identica...
INFOCOM
2007
IEEE
13 years 11 months ago
2007
IEEE
— Two fundamental functions of the sensor nodes in a wireless sensor network are to sense its environment and to transmit sensed information to a basestation. One approach to pro...
VTC
2008
IEEE
13 years 11 months ago
2008
IEEE
This paper considers the problem of selecting a subset of nodes in a two-hop wireless network to act as relays in aiding the communication between the source-destination pair. Opt...
GLOBECOM
2010
IEEE
13 years 2 months ago
2010
IEEE
The recently emerging WiMAX (IEEE 802.16) is a promising telecommunication technology to provide low-cost, high-speed and long-range wireless communications. To meet the growing de...