building wireless community networks by rob flickenger
WIRELESS SENSOR NETWORKS
... WIRELESS SENSOR NETWORKS Kỹ Thuật, Giao Thức và Ứng Dụng GVHD: Thầy VƯƠNG PHÁT SVTH : ðỖ DUY TÂN Tháng 8/2009 ðại Học Bách Khoa TPHCM Wireless Sensor Networks Bộ ... truyền dẫn không dây ñược thiết kế sẵn (wireless COTS) như là Bluetooth/Personal Area Networks (PANs), ZigBee, wireless LANs (WLAN)/hotspots, broadband wireless access (BWA)/Wimax, và 3G. 4.1 ... Học Bách Khoa TPHCM Wireless Sensor Networks Bộ Môn Viễn Thông Kỹ Thuật,Giao Thức và Ứng Dụng 4 Chương 5: GIAO THỨC ðIỀU KHIỂN TRUY CẬP TRONG MẠNG WIRELESS SENSOR NETWORKS 5.1 Mô hình...
Ngày tải lên: 25/04/2013, 19:19
C-MAC: Model-driven Concurrent Medium AccessControl for Wireless Sensor Networks
Ngày tải lên: 01/09/2013, 15:23
Tài liệu In-building Wireless docx
... RU RU Expansion Unit Growth In -Building Wireless: A Deployment Guide for Wireless Service Providers Page 4 Section 1: Auditing Your In -building Wireless Deployment A successful in -building wireless deployment ... wireless service providers targeting the enterprise market. In -Building Wireless: A Deployment Guide for Wireless Service Providers Page 8 Focus on Solutions A sound and ideal in -building wireless ... a complete understanding of in -building wireless, this guide is a great place to start. Charting the Future Direction of In -building Wireless This In -building Wireless Guide is designed as a...
Ngày tải lên: 21/12/2013, 07:17
Tài liệu Improving Campus Quality of Life with In-Building Wireless pdf
... completion in the spring of 2006. “We’re developing a master plan to phase in wireless coverage in other campus buildings over time,” says Adams, “including the residence halls and the medical ... a matter of adding new electronics to the existing Unison system to support those networks. ” With Unison in -building coverage, Duke University is on a path toward clear, consistent, and pervasive ... top 10 ranking of American universities. CASE STUDY Improving Campus Quality of Life with In -Building Wireless CHALLENGE Long regarded as one of the nation’s top 10 universities, Duke University...
Ngày tải lên: 21/12/2013, 07:17
Tài liệu Wireless Campus Networks Security pptx
... provided by Cisco SSC Single sign-on (SSO) Identity Based Networking Identity Client deployment tools Performance metrics Wireless RF monitoring Management Multi-network connectivity (wired /wireless, ... Vulnerabilities and Threats Summary Wireless LANs have become easy targets for both “traditional” network exploits, as well as criminal element Passive SSID probe sniffing and WEP key attacks ... Vulnerabilities and Threats WLAN Security Authentication and Encryption Unified Wireless Deployment Wired and Wireless IDS WLAN Security Best Practices © 2006 Cisco Systems, Inc. All rights...
Ngày tải lên: 22/12/2013, 15:15
Tài liệu In-building Wireless Repeaters docx
... the building and distributes the RF over coax to a service antenna located in the desired coverage area. Typical Installations In -building Wireless Repeater (small facility) In -building Wireless ... 12/07•105105AE In -building Wireless Repeaters In -building Wireless Repeaters 850 MHz Cellular and 1900 MHz PCS 2 www.adc.com • +1-952-938-8080 ... Wireless Repeater with DAS (medium-to-large facility) 12/07•105105AE In -building Wireless Repeaters In -building Wireless Repeaters 850 MHz Cellular and 1900 MHz PCS 3 www.adc.com • +1-952-938-8080...
Ngày tải lên: 17/01/2014, 11:20
Tài liệu Beating the High-Rise Hunt with In-Building Wireless doc
... and has asked for service at One Ninety One Peachtree Tower. Armed with in -building cellular service provided by LGC Wireless, Cousins Properties has gained a key competitive advantage in the ... Properties management was anxious to minimize vacancies in the building by providing an optimum work environment. But for many of the building s current and prospective clients— often large law ... What the Cousins technical team found is a problem common to high-rise buildings in crowded urban areas. Carriers in urban areas often use the tops of buildings as locations for cellular base...
Ngày tải lên: 17/01/2014, 11:20
Tài liệu Wireless Sensor Networks (P2) docx
... Bách Khoa TPHCM Wireless Sensor Networks Bộ Môn Viễn Thông Kỹ Thuật,Giao Thức và Ứng Dụng 42 Chương 5 GIAO THỨC ðIỀU KHIỂN TRUY CẬP TRONG MẠNG WIRELESS SENSOR NETWORKS Mạng ... một khe thời gian, gói ñụng ñộ kéo dài với thời gian lâu hơn. ðại Học Bách Khoa TPHCM Wireless Sensor Networks Bộ Môn Viễn Thông Kỹ Thuật,Giao Thức và Ứng Dụng 41 Hình 4.8: Mô hình ... các chuẩn sẵn có, như là Bluetooth, ZigBee, WLAN…. ðại Học Bách Khoa TPHCM Wireless Sensor Networks Bộ Môn Viễn Thông Kỹ Thuật,Giao Thức và Ứng Dụng 48 Trong ALOHA phân khe...
Ngày tải lên: 21/01/2014, 04:20
Tài liệu Contagion in financial networks by Prasanna Gai and Sujit Kapadia pdf
... probability of contagion must be close to zero since the size of the vulnerable cluster is either curtailed by limited connectivity or by the presence of a high fraction of safe banks. The probability ... present with independent probability p. In other words, the network is constructed by looping over all possible directed links and choosing each one to be present with probability p – note that ... disease on networks& apos;, Physical Review E, Vol. 66, 016128. Newman, M (2003), `Random graphs as models of networks& apos;, in Bornholdt, S and Schuster, H G (eds), Handbook of graphs and networks, ...
Ngày tải lên: 17/02/2014, 21:20
SECURITY IN WIRELESS SENSOR NETWORKS – IMPROVING THE LEAP PROTOCOL pptx
... 2 Wireless sensor networks usually consist of a single or multiple base stations acting as points of centralized control, whereby they provide access to other networks. These networks ... Protocols, Wireless Sensor Network (WSN), LEAP protocol, Security, compromised nodes 1. I NTRODUCTION Wireless technology has propagated the use of sensor networks in many applications. Sensor networks ... situated. The types of topologies used for sensor networks include star, mesh, star-mesh etc. [2] In Wireless sensor networks there are two kinds of wireless nodes; sensor and base station nodes....
Ngày tải lên: 05/03/2014, 23:20
A Survey on Network Security and Attack Defense Mechanism For Wireless Sensor Networks pdf
... Pinkston, Wireless Sensor Networks , an edited book, Kluwer Publications, ISBN: 1-4020-7883-8 23. M. Sharifnejad, M. Shari, M. Ghiasabadi and S. Beheshti, “A Survey on Wireless Sensor Networks ... "Wormhole detection in wireless ad hoc networks, " Department of Computer Science, Rice University, Tech. Rep. TR01-384, June 2002. 26. H.K. Kalita and A. Kar, Wireless Sensor Networks Security ... some of the threats to the sensor networks. A. SPINS Security protocols for sensor networks (SPIN) was proposed by Adrian Perrig et al.[36] in which security building blocks optimized for resource...
Ngày tải lên: 05/03/2014, 23:20
We Need Each Other Building Gift Community Bill Kauth pot
... for those who follow. From the Tamera community in Portugal: Functioning community is the foundation of every humane transformation: human community and the community amongst humans and their ... relationships developed by Robert Augustus Masters in Transformation Through Intimacy. With Robert’s permission and support, I’ve reworked the model as a map showing four stages of community. (For ... 2 COMMUNITY By community, I mean the commonwealth and common interests, commonly understood, of people living together in a place and wishing to continue to do so. To put it another way, community...
Ngày tải lên: 09/03/2014, 02:20
Event-to-Sink Reliable Transport in Wireless Sensor Networks docx
... current research interests are in sensor networks and next-generation wireless networks. He is the Editor-in-Chief of Computer Networks (Elsevier) and of Ad Hoc Networks Journal (Elsevier). Dr. Akyildiz ... protocol for wireless sensor networks, ” in Proc. ACM WSNA, Atlanta, GA, Sep. 2002, pp. 1–11. [13] J. Zhao and R. Govindan, “Understanding packet delivery performance in dense wireless sensor networks, ” ... Uni- versity. His current research interests include sensor networks, next-generation wireless networks, and deep-space communication networks. Ian F. Akyildiz (M’86–SM’89–F’96) received the B.S.,...
Ngày tải lên: 16/03/2014, 19:20
achieving collision avoidance and fairness in csma based wireless mesh networks ppt
Ngày tải lên: 19/03/2014, 00:20
Getting Started with Zend Framework By Rob Allen ppt
... the “Yes” value when doing the deletion. Page 1 of 19 Getting Started with Zend Framework By Rob Allen, www.akrabat.com Document Revision 1.5.0 Copyright © 2006, 2008 This tutorial ... a lot of common HTML code in our views. This is a very common problem and the Zend_Layout component is designed to solve this problem. Zend_Layout allows us to move all the common header and ... $baseUrl is '/~ralle/zf-tutorial/public'. Conclusion This concludes our brief look at building a simple, but fully functional, MVC application using Zend Framework. I hope that you...
Ngày tải lên: 22/03/2014, 10:20
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