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Wireless Body Area Network (WBAN) enables the monitoring of vital human parameters using on and in body sensor devices. IEEE 802.15.6 standard defines the medium access and physical layer characteristics for WBANs. Body area networks use the unlicensed 2.4 GHz frequency band and have very limited communication power. Communication of WBAN is affected severely by interference due to coexistence with...
Low power and lossy networks (LLNs) consist of devices having limited battery power, less memory, reduced processing capability. RPL (Routing Protocol for low power and Lossy networks), is an approved Internet Engineering Task Force (IETF) standard routing protocol for IPv6-based LLNs. RPL uses a proactive routing approach and the sink or controller node within the network creates a Directed Acyclic...
The IEEE 802.15.4 is designed for low data rate low power wireless personal area networks (LR-WPANs). LR-WPANs are envisioned for a variety of wireless sensor applications: health monitoring, commercial, agriculture, home and industrial automation. A significant feature of IEEE 802.15.4 is the very low duty cycle operation to preserve sensor node's energy. In this paper, we propose a delay mitigation...
Routing protocol for low-power and lossy networks (RPL) is the standard IPv6 based routing protocol for low power, lossy Networks (LLNs) proposed by IETF. It is proposed for networks with characteristics like small packet size, lossy links, low bandwidth, low data rate and low power resources. RPL is a single path routing protocol and the existing objective functions do not support creation of multiple...
IEEE 802.15.4 standard is designed for low power wireless personal area networks (LR-WPANs). Recently, both industry and academia are attracted to IEEE 802.15.4 because of its applicability in wireless sensor networks (WSNs) and wireless body area sensor networks (WBANs). An important feature of IEEE 802.15.4 is the very low duty cycle operation to conserve sensor node's energy. In this paper, we...
Energy efficient data aggregation is one of the key research areas of wireless sensor networks (WSNs). Many clustering techniques have been proposed for topology maintenance and routing in these networks. In addition to this, these techniques are also beneficial in prolonging the network life time. Clustering protocols proposed in existing literature use a single Cluster Head (CH) for a group of nodes...
Low power and lossy networks have been an active area of research due to their large number of potential applications in different environments like health, environment monitoring and entertainment domain. Numbers of protocols have been proposed for routing in these networks using metrics like hop count, delay, bandwidth etc. The working group of IETF has done one major contribution in form of a proactive...
Wireless Multimedia Sensor Networks (WMSN) are new and emerging networks of wirelessly connected devices, which consist of cameras, microphones, infra-red sensors, scalar sensors and others. These networks are fast gaining popularity due to their potential to be incorporated in various applications, such as, traffic monitoring, border surveillance, smart homes, environment and habitat monitoring,...
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