%0 Journal Article
%T An Overview of Distributed Energy-Efficient Topology Control for Wireless Ad Hoc Networks
%A Mohammadjavad Abbasi
%A Muhammad Shafie Bin Abd Latiff
%A Hassan Chizari
%J Mathematical Problems in Engineering
%D 2013
%I Hindawi Publishing Corporation
%R 10.1155/2013/126269
%X A wireless ad hoc network is composed of several tiny and inexpensive device such as wireless sensor networks (WSNs) which have limited energy. In this network energy, efficiency is one of the most crucial requirements. Data transmitting in minimum power level is one way of maximizing energy efficiency. Thus, transmission power level of nodes should be managed in a smart way to improve energy efficiency. Topology control is one of the main algorithms used in a wireless network to decrease transmission power level while preserving network connectivity. Topology control could improve energy efficiency by reasonably tuning the transmission power level while preserving network connectivity in order to increase network capacity and lifetime. In pursuit of energy efficiency and connectivity, nodes can be selfish and are conflicting with each other. Therefore to overcome the conflict, game theory is used to construct energy efficient topology, as well as minimizing energy consumption. In this paper, the main goal and most recent energy efficient topology control algorithms in WSNs and ad hoc network are classified and studied according to their specific goals. 1. Introduction Wireless sensor networks (WSNs) are a particular type of ad hoc network, in which the nodes are autonomous. These nodes are tiny devices equipped with communication component, data computation, and sensing capability [1¨C3]. In this type of network, each node collects information from the target area and sends this information to a sink, through a multihop communication network. A wireless network consists of hundreds to thousands nodes, which are deployed either inside the target area or very close to the target area. Upon an event happening or during monitoring sessions, the wireless nodes will collect and report this information to the sink node for further analysis. These wireless networks can be used for many important applications such as health care, intrusion detection and plants control, weather monitoring, security and tactical surveillance, disaster monitoring, and ambient conditions detection [1, 4]. As an example, in forest fire early detection system [5], wireless temperature and smoke wireless nodes are installed in the forest to detect fire or smoke in its early stage, without deploying complicated wired structures. Another application is in a battlefield, a soldier can be aware of the status of friendly troops or the availability of equipment by their information collected from wireless networks [6]. Energy efficiency is one of the main requirements in sensor networks [7].
%U http://www.hindawi.com/journals/mpe/2013/126269/