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Wireless Multimedia Sensor Networks (WMSNs) is comprised of small embedded video motes capable of extracting the surrounding environmental information, locally processing it and then wirelessly transmitting it to parent node or sink. It is comprised of video sensor, digital signal processing unit and digital radio interface. In this paper we have surveyed(More)
Wireless Sensor Networks (WSN), an element of pervasive computing, are presently being used on a large scale to monitor real-time environmental status. However these sensors operate under extreme energy constraints and are designed by keeping an application in mind. Designing a new wireless sensor node is extremely challenging task and involves assessing a(More)
Other than hardware optimization, the communication protocols for heterogeneous Wireless Sensor Network (WSN) are currently playing an important role for achieving the longevity of the network. Among other layers of heterogeneous WSN communication protocol stack, researchers are putting efforts in developing transport layer protocols in order to avoid(More)
The aim of this paper is to analyze the different Wireless Sensor Network (WSN) transport protocols by identifying various experimental parameters in order to undertake a comparative evaluation. To build the groundwork, we first discuss the generic design for a transport protocol based on three key concepts, congestion control, reliability support and(More)
Achieving Quality of Service (QoS) objective in Wireless Sensor Network (WSN) handling the multimedia information has significantly gained the importance lately besides energy efficient hardware designing. Transport layer of the WSN communication protocol stack plays a significant role in meeting the QoS objective of WSN. This paper presents a light weight(More)
Achieving QoS objective in Wireless Sensor Network (WSN) that deals with multimedia information is of paramount importance in the WSN research community. From the application point of view, meeting application specific QoS constraints is equally important as designing energy efficient embedded circuitry for WSN nodes. Among various WSN communication(More)
In this article, we present a survey of Wireless Sensor Networks (WSNs) existing Transport Protocols. We have evaluated the design concepts of different protocols based on congestion control, reliability support and source traffic priority support. Then we draw the concluding remarks, while highlighting up-and-coming research challenges for WSN transport(More)
In WSN, transport layer protocol plays a significant role in maintaining the node’s energy budget. To find out the dependency of Transport layer on MAC/PHY layer, the authors have extensively tested various transport protocols using IEEE 802.11, IEEE 802.15.4 MAC/PHY protocols for WSN. For IEEE802.11 and IEEE802.15.4 with RTS/CTS ON the TCP variants has(More)
Home Automation is a major commercial field in modern days, many manufacturers have realised that fact and started to produce different types of solutions targeted at that market. The paper will present a user friendly smart home infrastructure that offers the base platform for modular wireless nodes (utilising ZigBee technology integrated with the Arduino(More)