نتایج جستجو برای: underwater mac protocols

تعداد نتایج: 141928  

2005
Kristina Kunert

This paper gives a short overview of the state of the art of time-division multiple access (TDMA) based medium access control (MAC) protocols for wireless sensor networks (WSN). These sensor networks have special requirements on MAC protocols, which make it impossible to function efficiently with the help of ordinary wireless MAC protocols. Research challenges and state of the art are described...

2008
Eric E. Johnson Manikanden Balakrishnan Zibin Tang

Media access control (MAC) protocols for mobile ad-hoc networks are of interest in applications ranging from wireless local area networks (WLANs) to global skywave highfrequency radio networks. Much of the recent work in wireless MAC protocols has emphasized networks with short turnaround times (e.g., IEEE 802.11 WLANs). However, some wireless networks suffer lengthy turnaround times in the phy...

2015
Amara Umar Nadeem Javaid Ashfaq Ahmad Zahoor Ali Khan Umar Qasim Nabil Ali Alrajeh Amir Hayat

Performance enhancement of Underwater Wireless Sensor Networks (UWSNs) in terms of throughput maximization, energy conservation and Bit Error Rate (BER) minimization is a potential research area. However, limited available bandwidth, high propagation delay, highly dynamic network topology, and high error probability leads to performance degradation in these networks. In this regard, many cooper...

2016
Akshat A Mokashi B. M. Patil

This paper first discusses the machine to machine (M2M) domain architecture which becomes the basic model for hybrid Medium Access Control (MAC) protocols for large M2M networks and also it sets the background for hybrid MAC scheme. A review of the contention based and reservation based MAC protocols used in M2M networks is then made. Refer ences Liu,Y. , Yuen, C. , Chen, J. and Cao, X. 2013. A...

Journal: :International Journal of Research in Engineering and Technology 2014

2003
Wei Ye John Heidemann

This paper reviews medium access control (MAC), an enabling technology in wireless sensor networks. MAC protocols control how sensors access a shared radio channel to communicate with neighbors. Battery-powered wireless sensor networks with many nearby nodes challenge traditional MAC design. This paper discusses design trade-offs with an emphasis on energy efficiency. It classifies existing MAC...

2011
Venkata Chalam

This article presents a survey on medium access control protocols for wireless multimedia networks. A basic overview of MAC protocol concepts is presented, and a framework is developed for comparisons. The MAC protocols covered in this article include Random Access protocols, Contention less protocols, TDMA CDMA, third-generation WCDMA schemes and Hybrid protocols proposed for wireless Multimed...

2014
Hameeza Ahmed Muhammad Khurram

Media Access Control (MAC) layer protocols have a critical role in making a typical Wireless Sensor Network (WSN) more reliable and efficient. Choice of MAC layer protocol and other factors including number of nodes, mobility, traffic rate and playground size dictates the performance of a particular WSN. In this paper, the performance of an experimental WSN is evaluated using different MAC laye...

2014
Pooja Singh Vikas Pareek

Wireless sensor networks have recently gained a lot of attention from the researches. Wireless sensor networks are often partitioned into clusters, each managed by a cluster head (gateway). This paper reviews medium access control (MAC), an enabling technology in wireless sensor networks. MAC protocols control how sensors access a shared radio channel to communicate with neighbors in small area...

2013
Rakesh Bisht Abhishek Kumar Singh Jai Prakash Bharti Gourav Kumar

Wireless sensor networks (WSNs) have become an active research area for the researchers due to their widely used range of application potential in areas such as target detection and tracking, environmental monitoring, industrial process monitoring, and tactical systems. Usually, after the deployment of sensor nodes in the hazardous, hostile or remote areas, these sensor nodes work on their own....

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