Fundamentals of Wireless Sensor Networks
نویسندگان
چکیده
regions, 293Access control, 280Active sensor, 5Active volcano monitoring, 39Actuator, 5Additive white Gaussian noise (AWGN),118Ad-hoc deployment, 11Admittance, 22Aggregation, 273Aggregation attack, 276Air pressure, 38ALOHA, 127AM see Modulationamplitude modulationAmpere-Hour, 213Amplification, 4, 109Amplitude shift keying, 111direct mixing, 111Analog signal, 48Analog-to-digital converter (ADC), 4, 40,47–8, 54, 57, 63–5, 97Anchor node, 252, 258Anisotropic Magnetoresistive (AMR),29–30Antenna, 96effective area, 118gain, 118, 252omnidirectional, 39receiver, 96transmitter, 96, 118Application, 17active volcano monitoring, 38, 49health care, 30, 49 Fundamentals of Wireless Sensor Networks: Theory and Practice Waltenegus Dargie and Christian Poellabauer 2010 John Wiley & Sons, Ltdpipeline monitoring, 35, 49precision agriculture, 50SHM, 17, 49supply chain management, 49traffic control, 25transportation, 49under ground mining, 40Application-specific integrated circuit(ASIC), 55–6full custom design, 56half-customized, 55standard cell design, 56Architecture, 52Harvard, 52Super-Harvard, 52Von Neumann, 52, 62Asymmetry, 172Asynchronous code, 289Atomic clock, 237Atomicity, 289Attenuation, 4, 11, 42, 95, 252Authentication, 268, 270,277–8Automatic repeat request, 106Availability, 268Avrora, 299 Bandpass filter, 110Bandpass signal, 107Bandwidth, 102, 109Base station, 38Baseband signal, 109Basic transmission loss, 119Battery, 213
منابع مشابه
Representing a Model for Improving Connectivity and Power Dissipation in Wireless Networks Using Mobile Sensors
Wireless sensor networks are often located in areas where access to them is difficult or dangerous. Today, in wireless sensor networks, cluster-based routing protocols by dividing sensor nodes into distinct clusters and selecting local head-clusters to combine and send information of each cluster to the base station and balanced energy consumption by network nodes, get the best performance ...
متن کاملImproving Energy Consumption by Using Cluster Based Routing Algorithm in Wireless Sensor Networks
Multi-path is favorite alternative for sensor networks, as it provides an easy mechanism to distributetraffic, as well as considerate fault tolerance. In this paper, a new clustering based multi path routingprotocol namely ECRR (Energy efficient Cluster based Routing algorithm for improving Reliability) isproposed, which is a new routing algorithm and guarantees the achievement to required QoS ...
متن کاملAn Adaptive Congestion Alleviating Protocol for Healthcare Applications in Wireless Body Sensor Networks: Learning Automata Approach
Wireless Body Sensor Networks (WBSNs) involve a convergence of biosensors, wireless communication and networks technologies. WBSN enables real-time healthcare services to users. Wireless sensors can be used to monitor patients’ physical conditions and transfer real time vital signs to the emergency center or individual doctors. Wireless networks are subject to more packet loss and congestion. T...
متن کاملCoverage Improvement In Wireless Sensor Networks Based On Fuzzy-Logic And Genetic Algorithm
Wireless sensor networks have been widely considered as one of the most important 21th century technologies and are used in so many applications such as environmental monitoring, security and surveillance. Wireless sensor networks are used when it is not possible or convenient to supply signaling or power supply wires to a wireless sensor node. The wireless sensor node must be battery powered.C...
متن کامل3D Path Planning Algorithm for Mobile Anchor-Assisted Positioning in Wireless Sensor Networks
Positioning service is one of Wireless Sensor Networks’ (WSNs) fundamental services. The accurate position of the sensor nodes plays a vital role in many applications of WSNs. In this paper, a 3D positioning algorithm is being proposed, using mobile anchor node to assist sensor nodes in order to estimate their positions in a 3D geospatial environment. However, mobile anchor node’s 3D path optim...
متن کاملDesign and evaluation of two distributed methods for sensors placement in Wireless Sensor Networks
Adequate coverage is one of the main problems for distributed wireless sensor networks and The effectiveness of that highly depends on the sensor deployment scheme. Given a finite number of sensors, optimizing the sensor deployment will provide sufficient sensor coverage and save power of sensors for movement to target location to adequate coverage. In this paper, we apply fuzzy logic system to...
متن کامل