low power design techniques for wireless sensor networks

... Trang 1DESIGN OF LOW-POWER SHORT-DISTANCE TRANSCEIVER FOR WIRELESS SENSOR NETWORKS TAN JUN (Bachelor of Science, Master of Science, Fudan University, China) A THESIS SUBMITTED FOR THE DEGREE ... Expressions for Output Network and Power 133 Appendix B Sub-Functions 133    Trang 7SUMMARY This thesis presents the design of a low-power 2.4-GHz BPSK/OOK transceiver for distance wireless sensor ... impedance transformation Comprehensive design equations are derived to aid the PA design, characterization and optimization The proposed design facilitates fully on-chip solution for low-power Class-E

Ngày tải lên: 09/09/2015, 18:49

... been widely utilized in WSN applications since it is designed for low data rate, short distance and low-power-con- sumption applications in conformity with the constraints of WSN systems [10]. One ... RESEARCH Open Access IDEA1: A validated SystemC-based system-level design and simulation environment for wireless sensor networks Wan Du * , Fabien Mieyeville, David Navarro and Ian O Connor ... preliminary designs based on IEEE 802.15.4 protocols and two different hardware platforms are evaluated. 1 Introduction In recent years, numerous applications of wireless sen- sor networks (WSNs)

Ngày tải lên: 20/06/2014, 22:20

... 2005 Chiara Buratti et al. Cross-Layer Design of an Energy-Efficient Cluster Formation Algorithm with Carrier-Sensing Multiple Access for Wireless Sensor Networks Chiara Buratti IEIIT-BO/CNR, ... algorithms, MAC protocols, energy savings strategies, cross-layer design. 1 INTRODUCTION Wireless sensor networks (WSNs) are composed of low-cost low-energy nodes, whose battery is normally not replaced ... paradigm to the design of a protocol for WSNs where MAC and routing (i.e., cluster formation) as-pects are jointly considered and optimized: the decisions to be taken for cluster formation rely

Ngày tải lên: 23/06/2014, 00:20

... event-drivensimulator for wireless sensor networks, body area networks and general networks of low-power embedded devices [22] The simulator is developed by Australia’sInformation Communications ... [27–29] In [25], a wireless sensor platform for noninvasive biomedical research isdemonstrated The platform achieves a small form factor, but with a relatively largepower consumption Powered by a 280 ... and consume low power Different sensor node designs have been proposed by researchers They can becategorized into designs built with commercial-off-the-shelf (COTS) componentsand designs built

Ngày tải lên: 09/09/2015, 08:16

... Real-time Wireless Sensor Networks 61 Trang 93.4.1 Transmission Power Level Configuration for Wireless SensorNodes 61 3.4.2 Intra-cluster Power Management for Wireless Sensor Networks 65 ... developedfor real-life applications This thesis analyses the power consumption of wireless sensor nodes in tice for performing different tasks The energy sources for sustaining the sensornodes ... Energy Efficient Routing and Optimization Methods in Wireless Sensor Networks 24 2.1 Introduction 24 2.2 Routing Protocols for Wireless Sensor Networks 27 2.2.1 Overview of routing protocols

Ngày tải lên: 10/09/2015, 09:04

... different sensor types to uncover composite events using heterogeneoussensor nodes The main reasons for applying heterogeneous sensor nodes are hardware constraints and energyconsiderations Therefore, ... available sensor types in each cluster The last challenge is the scalability and dynamic nature of large wireless sensor networks Considering a clusterednetwork, various types of sensor nodes ... availablesensors Let v be the available sensor types in the network and Ci the capability tuple of node i Each element in the Cirepresents a flag for a sensor type The value of one for sk indicates

Ngày tải lên: 30/03/2014, 16:20

... the lowest level have the longest sleep period Channel access is performed through CSMA and DMAC utilises only one frequency channel for communication The DMAC protocol is energy efficient for low ... the lowest level have the longest sleep period Channel access is performed through CSMA and DMAC utilises only one frequency channel for communication The DMAC protocol is energy efficient for low ... energy associated with sample data, E sensor is given as: V c T E r T T sensor d sensor s sensor d    Trang 8where T d is the frequency of sample data, c sensor is the current consumption during

Ngày tải lên: 20/06/2014, 06:20

... Analysis of Wireless Sensor Networks via Evaluation of Connectivity and MAC performance 117 Throughput Analysis of Wireless Sensor Networks via Evaluation of Connectivity and MAC performance Flavio ... qp is straightforward In Figure 6 we report qp , q1 , q2 , q3 , q4 130 Emerging Communications for Wireless Sensor Networks ¯ As for qM... , n Instead, sensors are uniformly and randomly ... 802.15.4-2003, IEEE Standards for Information Technology Part 15.4: Wireless Medium Access Control (MAC) and Physical Layer (PHY) Specifications for Low-Rate Wireless Personal Area Networks (LR-WPANs),

Ngày tải lên: 20/06/2014, 06:20

... for the evaluation of the distribution of the received power in ad hoc and wireless sensor networks, Sensor and Ad Hoc Communications and Networks, SECON ’06, 3rd Annual IEEE Communications Society ... G & Conti, A (2008) Wireless sensor and actuator networks, Elsevier Vincze, Z., Vida, R & Vidacs, A (2007) Deploying multiple sinks in multi-hop wireless sensor networks, Pervasive Services, ... for the evaluation of the distribution of the received power in ad hoc and wireless sensor networks, Sensor and Ad Hoc Communications and Networks, SECON ’06, 3rd Annual IEEE Communications Society

Ngày tải lên: 20/06/2014, 06:20

... A G & Cid-Sueiro, J (2008) Energy-efficient Selective For-warding for Sensor Networks, Proc Workshop on Energy in Wireless Sensor Networks (WEWSN’08), in conjunction with DCOSS’08. Arroyo-Valles, ... matter if they are for-warded by the neighboring node or not • Type LAF (Local Adaptive Forwarder): Local Adaptive Selective forwarder sensor node This sensor type computes the forwarding threshold ... matter if they are for-warded by the neighboring node or not • Type LAF (Local Adaptive Forwarder): Local Adaptive Selective forwarder sensor node This sensor type computes the forwarding threshold

Ngày tải lên: 20/06/2014, 06:20

... intelligence for wireless sensor networks, under review Liu, Z & Elahanany, I (2006) RL-MAC: A reinforcement learning based MAC protocol for wireless sensor networks, International Journal on Sensor ... intelligence for wireless sensor networks, under review Liu, Z & Elahanany, I (2006) RL-MAC: A reinforcement learning based MAC protocol for wireless sensor networks, International Journal on Sensor ... learning in wireless sensor networks, IEEE Signal Processing Magazine 23(4): 56–69. Puccinelli, D & Haenggi, M (2008) Arbutus: Network-layer load balancing for wireless sensor networks, Proceedings

Ngày tải lên: 20/06/2014, 06:20

... This analysis can be difficult for the following reasons: • Each protocol designers solved the data aggregation security from different angles For example, some designers solved the problem by ... the lower levels is high In the following section, the performance analysis of selected secure data aggregation protocols is discussed 6 Performance Analysis This section provides the performance ... the lower levels is high In the following section, the performance analysis of selected secure data aggregation protocols is discussed 6 Performance Analysis This section provides the performance

Ngày tải lên: 20/06/2014, 06:20

... Tracking Scheme for Wireless Sensor Networks with Deficient Number of Sensor Nodes Po-Hsuan Tseng, Wen-Jiunn Liu and Kai-Ten Feng X Mobile Location Tracking Scheme for Wireless Sensor Networks with ... result is forwarded to computer Wireless sensor network have substantial processing capability in the aggregate, but not individually For most of the low-power mobile device such as wireless sensor ... Routing for Wireless Ad Hoc Networks, ICC, pp.443–447, Anchorage, Alaska, USA, May 2003 Lin C.-Y & Tseng, Y.-C (2004) Structures for In-Network Moving Object Tracking in Wireless Sensor Networks,

Ngày tải lên: 20/06/2014, 06:20

... flows into two types: flow and microflow The former contains file flows, audio flows and video flows and so on The latter, belonging to the identical type, aggregates a flow The aggregate flow ... Trang 2worst-case performance and to dimension resources ofsensor networks [11-14] The power management pro-blem in video sensor networks was investigated [15] The worst-case performance of the WSNs ... AccessModelling the guaranteed QoS for wireless sensor networks: a network calculus approach Lianming Zhang1*, Jianping Yu2and Xiaoheng Deng3 Abstract Wireless sensor networks (WSNs) became one of

Ngày tải lên: 21/06/2014, 00:20

... power management, in Wireless Sensor Networks, ed by Bulusu N, Jha S (Artech House, Norwood, MA, 2005) 5 I Demirkol, C Ersoy, F Alagoz, MAC protocols for wireless sensor networks IEEE Commun ... scheme for wireless sensor networks Vivek A Bohara1*, See Ho Ting1, Yang Han1and Ashish Pandharipande2 Abstract It is not economically viable to allocate a dedicated spectrum band to wireless sensor ... average SNR performance of primary system for OSSS, SNRpwith respect to Ps σ2 for different values of Pp σ2 The corresponding plot for sec-ondary system,SNRs, is shown in Figure 6 For compari-son

Ngày tải lên: 21/06/2014, 03:20

... routing algorithms have been designed for wireless sensor networks, not all are suitable for WSNHA In this paper, we propose a location-based self-adaptive routing algorithm for WSNHA called WSNHA-LBAR ... general purpose, easy-to-use, and self-organizing wireless communi-cation for low cost, at a low data rate, with low complexity, and using low-power embedded devices [3 5] The HA public application ... Location-Based Self-Adaptive Routing Algorithm for Wireless Sensor Networks in Home Automation Xiao Hui Li,1Seung Ho Hong,2and Kang Ling Fang1 1 College of Information Science and Engineering, Engineering

Ngày tải lên: 21/06/2014, 05:20

... Trang 2Table 1: Opposite MAC requirements for wireless computernetworks and low-energy WSNs Criticality for MAC protocolsRequirement Wirelesscomputernetworks Low-energyWSNs protocol should also ensure ... algorithm performs well in static networks, but lacks support for dynamic network Self-Organizing Medium Access Control for Sensor contention-free slot for each link Neighbor discovery is performed ... network signaling 5 Performance Analysis of TUTWSN and Related Proposals This chapter presents performance models for analyzingthe power consumptions of the most essential low-power Trang 10channel

Ngày tải lên: 21/06/2014, 11:20

... master key establishment for wireless sensor networks,” in Proceedings of the 1st International Conference on Security and Privacy for Emerging Areas in Communications Networks (SecureComm ’05), ... feasible to apply public key cryptography to sensor networks by choosing proper algorithms with reasonable parameters and by using optimization and low-power techniques [16–18] Gura et al evaluated ... S Setia, and S Jajodia, “LEAP+: efficient security mechanisms for large-scale distributed sensor networks,” ACM Transactions on Sensor Networks, vol 2, no 4, pp 500– 528, 2006 [5] J Deng, C Hartung,

Ngày tải lên: 21/06/2014, 11:20

... slot Sensor RF MCU Power supply Sensor node Wireless sensor network Figure 2: Gathering test data via wireless sensor network itself Expansion slot Sensor RF MCU Power supply Sensor node Wireless ... dynamics of wireless communications, the frequent failures of sensor nodes and the variety of the applications for wireless sensor networks Some testbeds or test platforms for wireless sensor net-works ... over the wireless links of the wireless sensor network itself The other is to transfer the test data over additional networks For the former category, the bandwidth of the wireless sensor networks

Ngày tải lên: 21/06/2014, 17:20

... Fully formattedPDF and full text (HTML) versions will be made available soon CDSWS: coverage-guaranteed distributed sleep/wake scheduling for wireless sensor networks EURASIP Journal on Wireless ... Introduction With the advances in digital signal processing, RF techniques and low-power hardware ufacturing and integration, wireless sensor networks (WSNs) have attracted increasing inter-ests in recent ... theregion should be covered by more than one sensor Therefore, wireless sensors are usuallydensely deployed on the target field [4], that is, many sensors can detect an event, deliver andreceive

Ngày tải lên: 21/06/2014, 17:20