A prioritized MAC protocol for multihop, event driven wireless sensor network

... designed and tested ER -MAC on low node’s density (100 nodes over a 1000m*1000m area), ER -MAC may have problem on large scale network 2.3.5 Traffic-Adaptive MAC Protocol (TRAMA) TRAMA [7] is a TDMA-based ... T van Dam and K Langendoen propose an adaptive energy efficient MAC protocol (T -MAC) which automatically adapts the duty cycle to the network traffic As with S -MAC [...

Ngày tải lên: 26/09/2015, 09:47

... resistance against the hardest attack: node compromising STKM: A Spanning Tree- Based Key Management Solution for WSNs In this section, we describe a new key management protocol for WSNs Our main objective ... paper Each sensor node i, including the base station, maintains the following variables (i) Fatheri : the father of the sensor in the final spanning tree The b...

Ngày tải lên: 21/06/2014, 11:20

... efficient reliable multicast MAC protocol based on the connectivity information among the recipients Enhancing the BMMM protocol, the proposed reliable multicast MAC protocol improves the MAC performance ... significant performance improvement by our reliable multicast MAC protocol Compared with the BMMM protocol, our EURASIP Journal on Wireless Communications and N...

Ngày tải lên: 21/06/2014, 23:20

... world In the paper, we presented an analytical modeling to formulate the hop-distance relationship considering the quasi-UDG model Senor nodes are randomly distributed in a circular region according ... developed hop-distance relationship considering the quasi-UDG model in WSN localizations We designed a LS-based localization algorithm using our developed relationship...

Ngày tải lên: 20/06/2014, 22:20

... different indoor multipath environments 3.1 INDOOR COOPERATIVE LOCALIZATION BOUNDS Problem formulation Based on the ranging models of Section 2, we derive the G-CRLB for cooperative localization in indoor ... and localization accuracy Therefore, there is a need to analyze the impact of these channel limitations on the performance of cooperative localization in indoor...

Ngày tải lên: 22/06/2014, 06:20

... 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 st...

Ngày tải lên: 22/06/2014, 19:20

... guide for MSP430 www.ti.ocm Data Dissemination Model for IP Cloud through Wireless Sensor Network Mrs Neha P Sathe ,date of birth is 08 th November 1979,received the Bachelors in Electronics form ... Data Dissemination Model for IP Cloud through Wireless Sensor Network RTS/CTS mechanism The range covered by each ZigBee module ... Wireles sensor net...

Ngày tải lên: 14/04/2015, 13:31

... domains in wireless sensor networks 1.1 Resource Management in Wireless Sensor Networks Wireless Sensor Networks (WSNs) consist of large numbers of low-power nodes, each with sensing, processing ... RESOURCE MANAGEMENT FOR TARGET TRACKING IN WIRELESS SENSOR NETWORKS HAN MINGDING (B.Eng (Hons), NUS ) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF E...

Ngày tải lên: 16/10/2015, 11:57

... Capture Window for Sensors There is other sensor information section where the software tool user introduces specific information about the integrated sensors on the mote, the mote model or the mote ... J.; He, T The LiteOS operating system: Towards unix-like abstractions for wireless sensor networks In Proceedings of the 7th International Conference on Infor...

Ngày tải lên: 05/12/2015, 22:57

... electrocardiography (ECG), images of the GI tract These sensors may have disparate sampling rate and sample data size For example, the pressure and temperature sampled data may be smaller in size and ... TRAMA [11] and LMAC [12] are typical schedule-based MAC protocols Compared with contention-based MAC protocol, schedule-based MAC protocols can avoid collisions, idle listening, an...

Ngày tải lên: 21/06/2014, 01:20

... A power efficient MAC protocol for wireless body area networks Moshaddique Al Ameen1, Niamat Ullah1, M Sanaullah Chowdhury1, S M Riazul Islam1 and Kyungsup Kwak*1 UWB Wireless Communications ... sana1691@yahoo.com SMRI: riazulislam@ieee.org Abstract Applications of wearable and implanted wireless sensor devices are hot research area A specialized field called the bo...

Ngày tải lên: 21/06/2014, 17:20

... design of ASAP to variants of ASAP, that is, p-ASAP, m-ASAP, and ASAP with faulty tags For each scenario, we have modified the ML estimator appropriately for providing the best performance We have shown ... Phoenix, Ariz, USA, January 2006 [19] J Wieselthier, A Ephremides, and L Michaels, “An exact analysis and performance evaluation of framed ALOHA with capture,” IEEE Transactions...

Ngày tải lên: 22/06/2014, 19:20

... The performance of the MAC protocols is tested for variable number of contending stations, basic and handshaking access, and the several access classes Every terminal is assumed to demand all four ... assumed to demand all four classes of access In case of saturation analysis, it is assumed that a packet is always available for transmission For AC3 of the proposed proto...

Ngày tải lên: 22/06/2014, 22:20

... total delay due to collision resolution, the total delay associated with actual data transmission, and the delay caused by the collision of a data packet in a data slot The latter term appears when ... CTAs used for asynchronous and isochronous data streams are called guaranteed time slots (GTSs) CTAs used for communication between DEVs and the PNC are called management channel time a...

Ngày tải lên: 23/06/2014, 00:20

... randomized tdma scheduling for wireless ad-hoc networks In MobiHoc, 2006 [17] M Sha, G Xing, G Zhou, and S Liu C-mac: Model-driven concurrent medium access control for wireless sensor networks Technical ... preamble mac protocol for duty-cycled wireless sensor networks In SenSys, 2006 [4] O Chipara, C Lu, and J Stankovic Dynamic conflict-free query scheduling for...

Ngày tải lên: 01/09/2013, 15:23