Abstract
A wireless ad-hoc network is a decentralized type of wireless network, where communication does not rely on a pre-existing infrastructure, such as routers in wired networks or access points in infrastructure-based wireless networks. Ad-hoc communications are present in wireless sensor networks (WSNs), mobile ad-hoc networks (MANETs) and vehicular ad-hoc networks (VANETs). Recently, wireless nano sensor networks (WNSNs) have emerged as a typical subclass of WSN, but at the nanometer scale. The vision of WNSN could achieve the functionality and performance of today's WSN with the exception that node size is measured in nanometers and up to hundreds or thousands of nanometers physically separate channels. In addition, nodes are assumed to be mobile and rapidly deployable. In this chapter, we survey existing wireless ad-hoc communication mechanisms and their applications. We then focus on WNSN and its applications in system-on-chip together with some preliminary results.
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