Node cooperation is one unique feature distinguishing wireless sensor networks (WSNs)
from traditional wireless cellular networks. In this paper, we investigate joint clustering and …

Cooperative transmission technique is now widely considered as a promising approach to
combat fading and achieve energy efficiency in wireless networks. In this paper we focus on …

Data aggregation is a key concept in data-centric routing for wireless sensor networks. Most
existing aggregation ideas are either tree-based or cluster-based. The Greedy Incremental …

Energy efficiency is one of the most important issues for operations of wireless sensor
networks. To increase network lifetime and to reduce energy consumption of sensor nodes …

Node cooperation is one unique feature distinguishing wireless sensor networks from
conventional wireless networks. In this paper, we explore cooperative geographic routing in …

The dense deployments of wireless sensor networks offer the opportunity to develop novel
communication techniques based on multi-node cooperation that can perform efficiently …

An important issue in the design of a wireless sensor network (WSN) is to devise techniques
to make efficient use of its energy, and thus, extend its lifetime. When two WSNs are …

In this paper, we investigate the reduction in total transmission time and the energy
consumption of wireless sensor networks using multi-hop data aggregation by forming …

Hierarchical routing algorithm as an energy optimization strategy has been widely
considered as one of the effective ways to save energy for wireless sensor networks. In this …

Due to limited batteries of senor node in wireless sensor networks, it is essential to minimize
the energy consumption so that the lifetime of WSNs can be prolonged. In this paper, we …