Sciweavers

160 search results - page 11 / 32
» Minimum Delay Data Gathering in Radio Networks
Sort
View
INFOCOM
2010
IEEE
13 years 6 months ago
Multicast Scheduling with Cooperation and Network Coding in Cognitive Radio Networks
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
Jin Jin, Hong Xu, Baochun Li
WOWMOM
2006
ACM
92views Multimedia» more  WOWMOM 2006»
14 years 1 months ago
Inter-Regional Messenger Scheduling in Delay Tolerant Mobile Networks
The evolution of wireless devices along with the increase in user mobility have created new challenges such as network partitioning and intermittent connectivity. These new challe...
Khaled A. Harras, Kevin C. Almeroth
VTC
2008
IEEE
185views Communications» more  VTC 2008»
14 years 1 months ago
Opportunistic Spectrum Access for Energy-Constrained Cognitive Radios
This paper considers a scenario in which a secondary user makes opportunistic use of a channel allocated to some primary network. The primary network operates in a time-slotted ma...
Anh Tuan Hoang, Ying-Chang Liang, David Tung Chong...
ICCSA
2005
Springer
14 years 1 months ago
A Novel Hierarchical Routing Protocol for Wireless Sensor Networks
Abstract. In this paper, we propose a novel hierarchical routing protocol for a large wireless sensor network (WSN) wherein sensors are arranged into a multi-layer architecture wit...
Trong Thua Huynh, Choong Seon Hong
MOBISYS
2004
ACM
14 years 7 months ago
Implementing Software on Resource-Constrained Mobile Sensors: Experiences with Impala and ZebraNet
ZebraNet is a mobile, wireless sensor network in which nodes move throughout an environment working to gather and process information about their surroundings [10]. As in many sen...
Ting Liu, Christopher M. Sadler, Pei Zhang, Margar...