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Efficient routing among a set of mobile hosts (also called nodes) is one of the most important functions in ad-hoc wireless networks. Routing based on a connected dominating set is a frequently used approach, where the searching space for a route is reduced to nodes in the set. A set is dominating if all the nodes in the system are either in the set or… (More)

- Mao Ye, Chengfa Li, Guihai Chen, Jie Wu
- IPCCC
- 2005

Data gathering is a common but critical operation in many applications of wireless SenSOT networks. Innovative techniques that improve energy eficiency to prolong the network lifetime are highly required. Clustering is an eflective topology control approach in wireless sensor networks, which can increase network scalability and lifetime. In this paper, we… (More)

- Chengfa Li, Mao Ye, Guihai Chen, Jie Wu
- MASS
- 2005

Clustering provides an effective way for prolonging the lifetime of a wireless sensor network. Current clustering algorithms usually utilize two techniques, selecting cluster heads with more residual energy and rotating cluster heads periodically, to distribute the energy consumption among nodes in each cluster and extend the network lifetime. However, they… (More)

Efficient routing among a set of mobile hosts is one of the most important functions in ad hoc wireless networks. Routing based on a connected dominating set is a promising approach, where the search space for a route is reduced to the hosts in the set. A set is dominating if all the hosts in the system are either in the set or neighbors of hosts in the… (More)

Efficient routing among a set of mobile hosts (also called nodes) is one of the most important functions in ad hoc wireless networks. Routing based on a connected dominating set is a promising approach, where the searching space for a route is reduced to nodes in the set. A set is dominating if all the nodes in the system are either in the set or neighbors… (More)

Unlike in a wired network, a packet transmitted by a node in an ad hoc wireless network can reach all neighbors. Therefore, the total number of transmissions (forward nodes) is generally used as the cost criterion for broadcasting. The problem of finding the minimum number of forward nodes is NPcomplete. Among various approximation approaches, dominant… (More)

- Jie Wu, Ming Gao, Ivan Stojmenovic
- Journal of Communications and Networks
- 2001

Efficient routing among a set of mobile hosts (also called nodes) is one of the most important functions in ad hoc wireless networks. Routing based on a connected dominating set is a promising approach, where the searching space for a route is reduced to nodes in the set. A set is dominating if all the nodes in the system are either in the set or neighbors… (More)

- Guihai Chen, Chengfa Li, Mao Ye, Jie Wu
- Wireless Networks
- 2009

Clustering provides an effective way for prolong5 ing the lifetime of a wireless sensor network. Current clus6 tering algorithms usually utilize two techniques, selecting 7 cluster heads with more residual energy and rotating clus8 ter heads periodically, to distribute the energy consumption 9 among nodes in each cluster and extend the network lifetime. 10… (More)

- Jie Wu
- IEEE Trans. Computers
- 2003

We propose a deterministic fault-tolerant and deadlock-free routing protocol in 2-dimensional (2-D) meshes based on dimension-order routing and the odd-even turn model. The proposed protocol, called extended X-Y routing, does not use any virtual channels by prohibiting certain locations of faults and destinations. Faults are contained in a set of disjointed… (More)

- Mihaela Cardei, Jie Wu
- Computer Communications
- 2006

Wireless sensor networks constitute the platform of a broad range of applications related to national security, surveillance, military, health care, and environmental monitoring. The sensor coverage problem has received increased attention recently, being considerably driven by recent advances in affordable and efficient integrated electronic devices. This… (More)