Collision-Free MAC Protocol for Wireless Sensor Networks Muneeb Ali‚ Tashfeen Suleman‚ and Zartash Afzal Uzmi Computer Science Department‚ LUMS {muneeb‚tashfeens‚zartash}@lums.edu.pk Abstract Mobility in wireless sensor networks poses unique challenges to the medium access control (MAC) protocol design. Previous MAC protocols for sensor networks assume static sensor nodes and focus on energyefficiency. In this paper‚ we present a mobilityadaptive‚ collision-free medium access control protocol (MMAC) for
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Attachment Theory Beginnings Out of the meeting of psychoanalytic theory‚ World War II‚ and ethology was born what we now know as attachment theory. Because John Bowlby‚ a British psychoanalyst was “uneasy about the reliability of our observations‚ the obscurity of any of our hypotheses and‚ above all‚ the absence of any tradition which demands that hypotheses be tested (1979‚ p. 36)‚ he sought to bring greater scientific discipline into his field. Bowlby was already working with maladapted
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The KYOTO Protocol The Kyoto protocol is an international agreement linked to the United Nations Framework Convention on Climate Change. The major feature of the Kyoto protocol is that it sets binding targets for 37 industrialized countries and the European community for reducing greenhouse gas (GHG) emissions. These amount to an average of five percent against 1990 levels over the five year period 2008-2012. The major difference between the Protocol and the Convention is that while the Convention
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Complaint procedures at the identified organization The royal St Lucia police force‚ is the organization reasponsible for taking or receiving complaints made by ‚ members of the public‚ against the police and the department that deals with that is the Complaints Unit. Within the Royal St Lucia Police Force officers are sworn in to serve and to protect they play a vital role and a key element in the country’s society’s. The complaints unit was set up to enable members of the public who have felt
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pumps Grease pencils Beakers (5 or 10 ml) Graduated cylinders (25 ml) Magnifiers or hand lens (minimum 2 per group) Beakers (Extra large) for waste- one each labeled for Vinegar‚ Bleach and Ammonia Beaker (Extra large) for tested Brine Shrimp Our procedures consisted of eight steps. Step 1- We all put on our safety goggles before gathering our materials. Step 2- We gathered our 4 petri dishes and labeled them using a grease pencil. One petri dish labeled “C” for Control‚ “V” for Vinegar‚ “A” for Ammonia
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A few days back It was our end of summer meeting; I was sitting in a chair at the annual all staff meeting at the Old Colony YMCA. Our executive director talked about the tremendous progress we had made with our new construction‚ the amount of new members we had received‚ and the impact we’ve all made on the lives of others. Although this was a celebratory gathering‚ it was also a way for everyone to come together to express their thoughts and ideas on new ways to improve and continue growing in
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Wireshark Lab: TCP SOLUTION Supplement to Computer Networking: A Top-Down Approach‚ 6th ed.‚ J.F. Kurose and K.W. Ross © 2005-21012‚ J.F Kurose and K.W. Ross‚ All Rights Reserved The answers below are based on the trace file tcp-ethereal-trace-1 in in http://gaia.cs.umass.edu/wireshark-labs/wireshark-traces.zip TCP Basics Answer the following questions for the TCP segments: 1. What is the IP address and TCP port number used by your client computer (source) to transfer the file to gaia
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Celina Mae Medina January 18‚ 2013 9-Neon Formal Theme no. 3 Objective: To write a persuasive essay on how this generation’s family relationships are affected by technology‚ specifically by computers using proper grammar and language use. Know Your Priorities As most of us know by now‚ technology has affected us in both negative and positive ways. It has certainly made our lives easier and convenient in more ways than one. Aside from the useful software and applications
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FORMAL LETTER INTRODUCTION Dear Lindsay and Michael‚ I am writing you this letter to give you some friendly advice about interpersonal communication within your relationship with each other. I hope that these helpful tips help you both to make your communication thrive in your newly found engagement. There are many things that I would like to touch base on with you both; as I wish someone would have informed my fiancé and me when we decided to spend our lives together as well. An
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Conduct meetings Submission details Candidate’s name Phone no. Assessor’s name Phone no. Assessment date/s Time/s The Assessment Task is due on the date specified by your assessor. Any variations to this arrangement must be approved in writing by your assessor. Submit this document with any required evidence attached. See specifications below for details. Performance objective Candidates are to demonstrate the skills and knowledge required to conduct and chair meetings‚ and to
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