Underwater wireless sensor networks (UWSN), similar to the terrestrial sensor networks, have different challenges such as limited bandwidth, low battery power, defective underwater channels, and high variable propagation delay. A crucial problem in UWSN is finding an efficient route between a source and a destination. Consequently, great efforts have been made for designing efficient protocols ...

This chapter examines various important low duty cycle MAC protocols and the two most important MAC protocols designed specifically for cooperative Multiple-Input MultipleOutput (MIMO) transmission. In most cases, the low duty cycle MAC protocols trade off latency for energy efficient operation. Also, we can observe later that asynchronous MAC protocols are more scalable than synchronous MAC pr...

Medium Access Control (MAC) protocols of Wireless Sensor Network (WSN) are often required to have special characteristics in concrete applications. Related and Urgent message should be sent First (RUF) is a typical scenario in many applications of WSN. In this paper, we focus on presenting a MAC protocol for RUF applications in WSN. First of all, through analysis, some concrete cases of RUF sce...

SUMMARY The development of new MAC protocols to deal with emerging applications for infrastructure-free networks, such as wireless sensor networks, is currently impeded by the lack of a common benchmarking standard to determine the suitability of certain protocols to certain scenarios. There is a need to rectify this situation to facilitate the development of new MAC protocols by improving the ...

Extensive researches on Wireless Sensor Networks (WSNs) have been performed and many techniques have been developed for the data link (MAC) layer. Most of them assume single-channel MAC protocols. In the usual dense deployment of the sensor networks, single-channel MAC protocols may be deficient because of radio collisions and limited bandwidth. Hence, using multiple channels can significantly ...