Sciweavers

2571 search results - page 249 / 515
» Approximation schemes for wireless networks
Sort
View
INFOCOM
2007
IEEE
16 years 1 months ago
Optimal Policies for Distributed Data Aggregation in Wireless Sensor Networks
Abstract— We consider the scenario of distributed data aggregation in wireless sensor networks, where each sensor can obtain and estimate the information of the whole sensing fi...
Zhenzhen Ye, Alhussein A. Abouzeid, Jing Ai
INFOCOM
2011
IEEE
14 years 10 months ago
Delay constrained minimum energy broadcast in cooperative wireless networks
—We formulate the problem of delay constrained energy-efficient broadcast in cooperative multihop wireless networks. We show that this important problem is not only NPcomplete, ...
Marjan A. Baghaie, Bhaskar Krishnamachari
ICCTA
2007
IEEE
16 years 1 months ago
On the Link Excess Life in Mobile Wireless Networks
In this paper, one of the most important parameters in performance evaluation and protocol design of wireless networks, Link Excess Life (LEL), is investigated. An analytical mode...
Abbas Nayebi, A. Khosravi, Hamid Sarbazi-Azad
TCS
2008
15 years 6 months ago
Minimum-Energy Broadcast and disk cover in grid wireless networks
The Minimum-Energy Broadcast problem is to assign a transmission range to every station of an ad-hoc wireless networks so that (i) a given source station is allowed to perform bro...
Tiziana Calamoneri, Andrea E. F. Clementi, Miriam ...
ICASSP
2010
IEEE
15 years 6 months ago
Ranging energy optimization for robust sensor positioning with collaborative anchors
We propose a sensor positioning scheme for a wireless sensor network consisting of beacons as well as collaborative anchors (CA) to help sensors within a prescribed service area t...
Tao Wang, Geert Leus