Networking protocols for energy harvesting wireless sensor networks
Networking protocols for energy harvesting wireless sensor networks
... Wireless Sensor Networks (WSNs) 1.2 Energy Harvesting Wireless Sensor Networks (EH-WSNs) 1.2.1 Energy Harvesters for Sensor Nodes 1.2.2 Energy ... supplement the energy supply This technology is generically termed energy harvesting or energy scavenging 1.2 Energy Harvesting Wireless Sensor Networks (EH-WSNs) 1.2.1 Energy Harvesters for Sensor Nodes ... battery-operated sensor nodes and not for energy harvesting sensor nodes Although networking protocols have been designed specifically for WSNs that utilize harvested energy, our protocols have...
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Báo cáo hóa học: " Energy-Aware Routing Protocol for Ad Hoc Wireless Sensor Networks" pdf
... part of ad hoc wireless sensor networks EARP is well suited for sensor networks due to its ability to adapt to the environment and make routing decisions based on the Energy-Aware Routing Protocol ... efficiency in routing protocols for wireless ad hoc sensor networks He presented some of his work at IEEE GLOBECOM ‘04 He was awarded the Outstanding MS Student Award by Wichita State University for his ... section, the proposed energy-aware routing protocol (EARP) is presented and its energy efficiency is compared with that of the ad hoc on-demand distancevector (AODV) routing protocol the network...
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báo cáo hóa học:" Research Article Very Low-Memory Wavelet Compression Architecture Using Strip-Based Processing for Implementation in Wireless Sensor Networks" potx
... low-memory implementations for SPIHT compression In strip-based coding, SPIHT coding is sequentially performed on a few lines of wavelet coefficients that are stored in a strip buffer as shown in ... improvements in lowmemory implementations for image compression In stripbased coding, a few image lines that are acquired in raster scan format are first wavelet transformed The computed wavelet coefficients ... amount of memory for processing and buffering compared to the traditional SPIHT coding making it suitable for implementation in severely constrained hardware environments such as WSNs Using the proposed...
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Báo cáo hóa học: "Research Article Dual Wake-up Low Power Listening for Duty Cycled Wireless Sensor Networks" docx
... “WiseMAC: an ultra low power MAC protocol for multi-hop wireless sensor networks,” in Proceedings of the 1st International Workshop on Algorithmic Aspects of Wireless Sensor Networks (ALGOSENSORS ’04), ... includes [25–27] Dutycycling MAC improves energy efficiency by reducing idle listening at MAC level There are two major approaches, synchronized listening and low power listening Synchronized listening ... However, DW-LPL can improve the energy performance even for relatively large broadcast traffic ratio by introducing adaptive beaconing Low power listening for sporadic traffic ξ ∗ = Ton ξ r + Toff...
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Báo cáo hóa học: " A Novel Cluster-Based Cooperative MIMO Scheme for Multi-Hop Wireless Sensor Networks" ppt
... [2] an equal transmit power allocation scheme is used as the channel state information (CSI) is not available at the transmitter If the average attenuation of the channel for each cooperative ... data as an individual antenna with transmission power Pout jt in the MIMO antenna array In the cooperative MIMO scheme, the transmission delay and channel estimation scheme proposed in [3] can ... perform data aggregation to remove the redundancy in the data After aggregating received data frames, the cluster head will forward the data packet to the TCH by multiple hops routing In each...
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Báo cáo hóa học: " Energy-Efficient Medium Access Control Protocols for Wireless Sensor Networks" docx
... aware multiaccess protocol with signaling for ad hoc networks,” ACM SIGCOMM Computer Communication Review, vol 28, no 3, pp 5–26, 1998 P802.11, “Ieee standard for wireless lan medium access control ... transmission time for each TRFR message comply with a uniform distribution, and carrier sensing is done before sending Since hidden problem is accessible for our system, the performance will be ... RELATED WORKS AND PRELIMINARIES 2.1 Energy-efficient MAC protocols In contrast to typical MAC protocols of WLAN, MAC protocols designed for WSNs usually trade off performance (such as latency, throughput,...
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Analysis, design and optimization of energy efficient protocols for wireless sensor networks
... ANALYSIS, DESIGN AND OPTIMIZATION OF ENERGY EFFICIENT PROTOCOLS FOR WIRELESS SENSOR NETWORKS HOANG DUC CHINH (B.Eng., Hanoi University of Technology, Vietnam) A THESIS SUBMITTED FOR THE ... 21 1.3.4 Energy Efficient Routing and Optimization Methods in Wireless Sensor Networks 24 2.1 Introduction 24 2.2 Routing Protocols for Wireless Sensor Networks ... 3.2 43 Wireless Sensor Nodes’ Energy Model and Cluster Head Rotation for Balancing Energy 43 3.2.1 Energy Model of the Wireless Sensor Node ...
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Energy efficient protocols for wireless sensor networks
... mainly focus on the design of energy efficient protocols for WSNs in the form of wakeup scheduling of the sensor nodes We propose two energy conserving protocols for different applications, one ... WSN is designed for, it is necessary to make the protocols as energy- efficient as possible The reason is simply because the source of energy for typical sensors are limited in the form of non-rechargeable ... energy conservation is achievable for the same latency when using TC-DSA Finally, chapter concludes the entire thesis Chapter Wireless Sensor Networks Wireless sensor networks usually consist of hundreds...
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Báo cáo hóa học: " Research Article Energy-Efficient Reservation-Based Medium Access Control Protocol for Wireless Sensor Networks" doc
... slot scheduling algorithm performs well in static networks, but lacks support for dynamic network Self-Organizing Medium Access Control for Sensor Networks (SMACS) [30] protocol assigns a locally ... 22 EURASIP Journal on Wireless Communications and Networking [22] W Ye, J Heidemann, and D Estrin, Medium access control with coordinated adaptive sleeping for wireless sensor networks,” IEEE/ACM ... IEEE Std 802.15.4-2003, wireless medium access control (MAC) and physical layer (PHY) specifications for low-rate wireless personal area networks (WPANs) [25] ZigBee Alliance Document 053474r06; ZigBee...
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Báo cáo hóa học: " Research Article EDDK: Energy-Efficient Distributed Deterministic Key Management for Wireless Sensor Networks" pot
... (5) EDDK: Energy-Efficient Distributed Deterministic Key Management Scheme To fix the flaws present in the aforementioned key management schemes, we propose a distributed deterministic key management ... versus Distributed Key Management Schemes LKHW is a centralized key management scheme for WSNs based on the Logical Key Hierarchy (LKH) [7] In the scheme, the base station is treated as a key distribution ... suitable for resource-constrained wireless sensor networks Conclusions In this paper, we proposed an energy-efficient distributed deterministic key management scheme (EDDK) in which pairwise keys and...
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Báo cáo hóa học: "Research Article A High-Accuracy Nonintrusive Networking Testbed for Wireless Sensor Networks" pptx
... Communications and Networking network performance parameters are evaluated, for example, packet delay and loss ratio 5.1 Raw Signal Level It is fundamental for HINT to acquire the internal signals accurately ... Conference on Sensor and Ad Hoc Communications and Networks (SECON ’04), Santa Clara, Calif, USA, October 2004 [7] S Park, A Savvides, and M B Srivastava, “SensorSim: a simulation framework for sensor ... FPGA and adaptor still lead to a feasible solution A series of nodes are already tested in HINT, such as TelosB, Mica2, MicaZ and ZiNT Up to now HINT remains a small-scale testbed But we have already...
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Báo cáo hóa học: "Research Article GRAdient Cost Establishment (GRACE) for an Energy-Aware Routing in Wireless Sensor Networks" ppt
... link costs IL,B-Sink , IL,D-Sink , and IL,J-Sink , and then add their link costs to ASink to form CB-Sink , CD-Sink , and CJ-Sink , respectively Nodes B, D, and J store these information in their ... carefully defining link cost as a function of receiving and transmission power using that link The transmission-value is set initially same for all the nodes The link cost between nodes u and v can be ... based on GRAdient Cost Establishment (GRACE) for Wireless Sensor Networks The proposed routing strategy outperforms the existing ones with an enhanced network Figure 23: Collective Performance Metric:...
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Báo cáo hóa học: " Research Article Efficient MAC Protocols for Wireless Sensor Networks Endowed with Directive Antennas: A Cross-Layer Solution" pot
... pp 171–180, Los Angeles, Calif, USA, November 2003 [18] G Lu, B Krishnamachari, and C S Raghavendra, “An adaptive energy-efficient and low-latency MAC for data gathering in sensor networks, ” in Proceedings ... The channel access is managed by means of the carrier sense multiple access with collision avoidance (CSMA/CA) scheme, as specified in [19] Before transmitting a packet toward a certain angular sector, ... antennas on sensor hardware platforms is feasible with minimal additional cost [7] However, the MAC and the network (NWK) layers must be modified and made aware of the presence of enhanced antennas...
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Báo cáo hóa học: " Research Article An Energy-Efficient Adaptive Modulation Suitable for Wireless Sensor Networks with SER and Throughput Constraints" ppt
... two cases: (a) fixed TDMA with fixed modulation 16-QAM for each sensor and (b) variable length TDMA with fixed modulation (M = 16 and 64), which are shown in Figures and 4, and a frame of 896 symbols ... Helsinki, Finland, September 2006 IEEE Std 802.15.4-2003, IEEE Standard for Information technology—telecommunications and information exchange between systems—local and metropolitan area networks ... Workshop on Wireless Sensor Networks (EWSN ’05), pp 108–120, Istanbul, Turkey, January-February 2005 M M Nordman and M Lehtonen, “A wireless sensor concept for managing electrical distribution networks, ”...
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Báo cáo hóa học: " Research Article An Energy-Efficient Framework for Multirate Query in Wireless Sensor Networks" pptx
... mean of the ARE of all sink nodes We generate 100 connected network instances for each simulation and spawn multirate queries in each network instance for 100 times The average performance for ... optimizing the number of replicas for event information in wireless sensor networks, when queries are disseminated using expanding rings The authors also derived the replication strategies that minimize ... the sink node and performed inside the network, such as eliminating irrelevant records and aggregating raw data, which is referred to as in- network data processing and data aggregation Since...
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