The Wireless Sensor Networks Protocols And Present A...

Abstract: We analyze the wireless sensor networks protocols and present a classification and comparison of routing protocols. Several routing protocols have been projected to maximize the sensor networks life span. Nevertheless, most of these solutions attempt to determine an energy efficient path and don’t account for energy consumption balancing in sensor network. This frequently leads to network partitioning. The aim of this paper is to evaluate, analyze and compare three routing protocols (LEACH, CBR and MBC) that balance energy consumption, through a mathematical model and simulations. This paper will present a performance comparison of protocols LEACH, CBR and MBC based on parameters such as packet loss, average energy consumption, average control overhead, and better adaptivity to a mobile environment by using the NS-2 simulator. Keywords: LEACH, CBR, MBC, WSN PROTOCOLS. Introduction: Wireless Sensor Networks (WSN): A wireless sensor network (WSN) (at times called a wireless sensor and actor network (WSAN)) are spatially distributed autonomous sensors to monitor physical or environmental conditions, such as temperature, sound, pressure, etc. and to cooperatively pass their data through the network to a main location. Components of WSN: †¢ Sensor: It is a transducer that converts physical phenomenon e.g. heat, light, motion, vibration, and sound into electrical signals. †¢ Sensor node: It is the basic unit in sensor network that contains on-board sensors,Show MoreRelatedWireless Sensor Networks And The Growth Of Mobile Computing Essay1749 Words   |  7 PagesAbstract - A wireless sensor network (WSNs) is composed of sensor nodes having a set of processor and limited memory unit embedded in it. The most important task for such network is to provide reliable routing of packets from the sensor nodes to its base station. In Wireless Sensor Networks, routing is much more complex than other wireless networks. In WSN routing strategy should be the energy efficient. This survey paper gives an overview of the different routing protocols used inRead MoreDetection Of Node Replication Attack3434 Words   |  14 PagesNode Replication attack in Wireless Sensor Networks: A Review Ms. L S Sindhuja1, Dr. G Padmavathi2 1Research Scholar, Department of Computer Science Avinashilingam Institute for Home Science and Higher Education for Women University, Coimbatore, India 2Professor and Head, Department of Computer Science Avinashilingam Institute for Home Science and Higher Education for Women University, Coimbatore, India sindhujakarthick2011@gmail.com Abstract Wireless Sensor Network Security is one of the top designRead MorePopulation Growth Is Facing Three Major Chal- Essay1529 Words   |  7 Pagesrepresented by the Department of Broadband, Communications and the Digital Economy and the Australian Research Council through the ICT Centre of Excellence program. S. Movassaghi and M. Abolhasan are with the Centre of Real Time Information Networks (CRIN), School of Communication and Computing, Faculty of Engineering and Information Technology, University of Technology, Sydney, NSW 2007, Australia, (e- mail: Seyedehsamaneh.Movassaghigilani@student.uts.edu.au Read MoreWireless Sensor Network2241 Words   |  9 Pages1.1 Wireless sensor network (WSN) A wireless sensor network (WSN) consists of sensing device, computation element, and communication elements that gives user the ability to measure, observe and react to particular events and phenomena in that problem field. A sensing device provides data from sensing physical characteristics such as temperature, pressure and sound etc and then transmits that data to the base station via radio either on time basis or demand basis. A wireless sensor network may containsRead MoreNeural Network Based Intrusion Detection Systems1248 Words   |  5 Pages3. Neural Networks This technique follows the same notion of how human brain works. It consists of collection of highly interconnected processing elements that convert a set of given inputs to a set of desired outputs. The widely used neural network for intrusion detection is Multilayer Perceptions (MLP).Neural Network based intrusion detection systems are intended to classify the normal and intrusion patterns and the type of the attack. For this purpose, the network is trained on various typesRead MoreCognitiveradio and Networking Research at Virginia Tech23281 Words   |  94 PagesINVITED PAPER Cognitive Radio and Networking Research at Virginia Tech A large research team with a wide range of expertiseVfrom ICs and reconfigurable computing to wireless networkingVworks to achieve the promise of cognitive radio. By Allen B. MacKenzie, Senior Member IEEE , Jeffrey H. Reed, Fellow IEEE , Peter Athanas, Senior Member IEEE , Charles W. Bostian, Fellow IEEE , R. 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Answer: A Explanation: A system-specific policy presents the management s decisions that are closer to the actual computers, networks, applications, and data. This type of policy can provide an approved software list, which contains a list of applications that can be installed on individual workstations. This policy can describe how databasesRead MoreNokias Human Resources System144007 Words   |  577 Pagesprotect numerous Nokia, NAVTEQ and Nokia Siemens Networks patented, standardized or proprietary techn ologies from third ­party infringement or actions to invalidate the intellectual property rights of these technologies; the impact of changes in government policies, trade policies, laws or regulations and economic or political turmoil in countries where our assets are located and we do business; any disruption to information technology systems and networks that our operations rely on; unfavorable outcomeRead MoreChemical Hazards43022 Words   |  173 PagesCalamities Terrorist Attacks/Sabotage Impact of Chemical Disasters Major Chemical Accidents in India Aims and Objectives of the Guidelines 1 1 1 2 2 2 2 3 3 3 2 2.1 2.2 2.2.1 2.2.2 2.3 2.3.1 2.3.2 2.3.3 2.4 2.4.1 2.4.2 2.4.3 2.5 2.5.1 Present Status and Context Regulatory Framework and Codes of Practises Institutional Framework and Compliance Institutional Framework Compliance Other Technical Activities/Initiatives Initiatives in Installations Initiatives in Storages Initiatives in the

A Land Remembered By Patrick Smith Essay - 1412 Words

The environment around us in Southwest Florida is beautiful, but also delicate. From the tall cabbage palms to the shortest saw palmetto, the foliage that surrounds us represents life in Southwest Florida. The environment in Florida is extremely fragile and steps need to be taken in order to preserve its beauty. The first settlers in Florida sacrificed their living conditions to be surrounded by snakes, bobcats, and bears. From their sacrifice, Americans were able to settle one of the most beautiful places in the United States. Now, Florida has been bulldozed down and is filled with gated communities and retirement centers. The Florida landscape has taken many hits throughout the years, but it still manages to grow up through the concrete and show what Florida used to look like. The fragile environment in South West Florida needs to be protected for future generations to enjoy. In the book A Land Remembered by Patrick Smith, the concept of appreciating nature resonates throughout the novel. The first character introduced, Solomon Maclvey, is the great grandson of one of the settlers of Southwest Florida. Solomon constantly expresses his disgust with how developed Miami has become, although it was his family that became wealthy from developing Florida. As Solomon looks upon Miami in A Land Remembered, â€Å"Then they came to the La Florida Hotel, sitting like a stuffed frog, rising boastfully above all of them, thirty stories, with the letters MCI blazoned across its top. TheShow MoreRelatedA Land Remembered By Patrick Smith1568 Words   |  7 Pagesas well as the environment. A major concept in colloquium is that society and environment are intertwined. The book A Land Remembered, by Patrick Smith, depicts that a person’s values taught by his or her family greatly impacts the relationship between people and the environment. The book contains several characters with various backgrounds. The first character in A Land Remembered is Solomon MacIvey, a wealthy man who inherited a family fortune. At one point the book mentioned, â€Å"and then they cameRead MoreEssay about The Problems Brought by Overpopulation696 Words   |  3 Pagesis when certain countries seek to buy or lease lands in other countries for mainly farming purposes. Mostly the land-buyers are well-developed countries where the natural sources are close to depletion and population have outrun their own land. On the contrary, the land-sellers are small, underdeveloped countries which are ready to sign agreements that are less favorable to them. These land negotiations raises various issues that mainly affects land-seller countries. An alarming aspect of this geopoliticsRead More A Land Rembered by Patrick D. Smith Essay1562 Words   |  7 Pages The novel, A Land Remembered, is the epic saga of three generations of MacIveys. The novel begins with a flash back, from the last generation MacIvey, Sol. Sol was a real estate tycoon in Miami and the surrounding areas. He has chosen to give up his life in Miami to live his last hours in the cabin in Punta Rassa , Florida; the cabin his grandfather had built. Thus, the three generations of MacIveys in Florida ends. The first generation of MacIveys consisted of the father and husband, TobiasRead MoreThomas Jefferson Was The Second President Of The United States Of America1671 Words   |  7 PagesMartha Skelton. During these years Jefferson created an image for himself and grew into his political identity. For example, Jefferson was a shy man who is more comfortable listening and observing people he admired when they spoke, people such as Patrick Henry. This would often be mistaken for arrogance. As soon as Jefferson was in the House of Burgesses as a young law student it was evident that he opposed all forms of â€Å"parliamentary taxation and supported non importation resolutions against BritishRead MoreSoc Test9122 Words   |  37 Pages_____, who was critical of the system of slavery, was a pioneering feminist. Answer Dorothy Smith Marianne Weber Harriet Martineau Emily Durkheim Patricia Wright Mills 10 points Question 2 This early sociologist helped to found the NAACP and was himself a prominent Black sociologist. Answer W.E.B. DuBois Booker T. Washington Jesse Martin Donald Black Read MoreLiterary Criticism : The Free Encyclopedia 7351 Words   |  30 PagesMann (1924). Pather Panchali, by Bibhutibhushan Bandopadhyay (1929)[29] Gone with the Wind, by Margaret Mitchell (1936) Their Eyes Were Watching God by Zora Neale Hurston (1936) Native Son by Richard Wright (1940) A Tree Grows in Brooklyn by Betty Smith (1943) The Green Years by A. J. 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Faced with the threat of German invasion, he argued that Russia should immediately sign a peace treaty—which led to Russia s exit from the First World War. In 1921 Lenin proposed the New Economic Policy, a system of state capitalismRead MoreOne Significant Change That Has Occurred in the World Between 1900 and 2005. Explain the Impact This Change Has Made on Our Lives and Why It Is an Important Change.163893 Words   |  656 PagesFuture of Teaching the Past Sharon Hartman Strom, Political Woman: Florence Luscomb and the Legacy of Radical Reform Michael Adas, ed., Agricultural and Pastoral Societies in Ancient and Classical History Jack Metzgar, Striking Steel: Solidarity Remembered Janis Appier, Policing Women: The Sexual Politics of Law Enforcement and the LAPD Allen Hunter, ed., Rethinking the Cold War Eric Foner, ed., The New American History. 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A Room With A View English Literature Essay Free Essays

In the gap of the fresh Forster nowadayss repression within the English category system taking to a life with no position which is represented by the fact that Lucy and Charlotte did non acquire the suites overlooking the Arno that they expected. Charlotte represents the stiff and conventional society that is keeping Lucy back. Charlotte ‘s â€Å" protecting embracing † gave Lucy the â€Å" esthesis of fog † . We will write a custom essay sample on A Room With A View English Literature Essay or any similar topic only for you Order Now She wants Lucy to act in a â€Å" ladylike † manner and wants her to avoid any improper behavior with immature work forces. Charlotte holds Lucy back from showing her true emotions with George Emerson possibly because of being humiliated herself in a love matter many old ages ago. â€Å" I have met the type before. They rarely keep their feats to themselves. † This has prevented Charlotte from seeing that true love exists and so nowadayss to Lucy â€Å" the complete image of a cheerless, loveless universe † with no position. Forster besides shows the reader that there are romantic characteristics concealed inside her. This is shown when she in secret tells Miss Lavish about George and Lucy ‘s buss who so proceeds to compose her novel about it. This same repression is seen with Lucy who plays her piano with passion demoing that merely through her music can Lucy genuinely express herself otherwise she is merely an ordinary conventional miss. â€Å" If Miss Honeychurch of all time takes to populate as she plays, it will be really exciting † ( p30 ) Mr Beebe is waiting for the minute when Lucy can interrupt free from Charlotte and take a more bold and audacious life. When Lucy returns to her place in England â€Å" the drawing room drapes at Windy Corner had been pulled to run into for the rug was new and merited protection from the August Sun. They were heavy drapes, making about to the land, and the visible radiation that filtered through them was subdued and varied † . The pulling room drapes protect the furniture from the detrimental beams of the Sun, merely as Lucy has been protected in Italy by Charlotte. There is no position and the visible radiation has been blocked. This symbolises how Lucy is repressed and prevented from seeing the true nature of life. They are denied the beauty of a â€Å" position † . Cecil besides attempts to protect Lucy with his restricting thoughts. Cecil ‘s attitude towards adu lt females is chesty and dismissive: he treats Lucy ‘s thoughts as if they are of â€Å" feminine inconsequence † and wants her to conform to an image of a Leonardo picture of enigma and soundlessness, in which he is ever dominant. When Lucy thinks of Cecil â€Å" it ‘s ever in a room † and one â€Å" with no position † ( p99 ) . This illustrates how Cecil is quashing Lucy ‘s feelings, supplying her with a life of humdrum and so forestalling her seeing the true position of life. Forster uses Italy to rouse Lucy to new ways of thought and the gap up of Windowss to see the universe. â€Å" The well-known universe had broken up, and at that place emerged Florence, a charming metropolis where people thought and did the most extraordinary things † that has â€Å" the power, possibly to arouse passions, good and bad, and convey them to speedy fulfillment † ( p51 ) . Italy is uninhibited by category limitations and this esthesis of equality and freedom shakes the foundations of Lucy ‘s old position of the universe. It is a topographic point where anything can go on. Lucy ‘s position on life ab initio begins to open up by George and Mr Emerson trading suites. â€Å" I have a position, I have a position†¦ This is my boy†¦ his name ‘s George. He has a position, excessively. † Mr Emerson is talking of their positions of the river, but the Forster intends the text to hold a dual significance. The Emersons ‘ position has to make with more than the quality of their suites and Forster implies a metaphorical significance in that the Ralph waldo emersons have a superior position of life which is much freer and more exciting. Miss Lavish takes her Baedeker guidebook and later loses her in Santo Croce when â€Å" for one ravishing minute Italy appeared † to Lucy. Inside the church he meets the Ralph waldo emersons who show her how to bask the church by following her bosom non by her guidebook. Their philosophic position helps Lucy in her geographic expedition of her ain life and the universe. â€Å" The baneful appeal of Italy worked on her, and alternatively of geting information, she began to be happy † . Furthermore when Lucy witnesses the slaying and the Italian falls at her pess she is overwhelmed the spontaneousness of the incident. When she regains consciousness after fainting and is rescued by George, she realises that she â€Å" every bit good as the deceasing adult male, had crossed some religious boundary † . Lucy begins to gain that her image of the universe based on how others think she should be is being replaced by self-generated reaction and natural inherent aptitude. A new position is opening up for her. â€Å" She contemplated the River Arno, whose boom was proposing some unexpected tune to her ears † . This position of the river symbolises the great alteration inside Lucy and the journey to happen her true position of life. Lucy nevertheless is non reborn into a passionate adult female until she is kissed by George. â€Å" The position was organizing at last † . Forster is demoing how Lucy ‘s find of her position mirrors her personal find. Her experiences in Italy alteration her, giving her new eyes to see the universe, and a position of her ain psyche as good. Finally Lucy at stopping points additions freedom to look out of Windowss. She is able to see clearly what she wants from life. George tells her that Cecil merely sees her as an object to be admired and will ne’er love her adequate to allow her independency, while George loves her for who she genuinely is. â€Å" Conventional, Cecil, you ‘re that, for you may understand beautiful things, but you do n’t cognize how to utilize them ; and you wrap yourself up in art and books and music, and would seek to wrap up me. I wo n’t be stifled, non by the most glorious music, for people are more glorious, and you hide them from me. † She so breaks off her battle with Cecil and in making this she breaks the societal codification of society. A last minute meeting with Mr Emerson convinces Lucy to acknowledge and move upon her love for George. â€Å" How he managed to beef up her. It was as if he had made her see the whole of everything at one time. † At th e very terminal of the novel George and Lucy have eloped and have returned to the same Pension in Italy and look out from the same window to the future universe. Although they both look out to the same position of Italy it is with a really different position of the universe. George ‘s position has become clear through his relationship with Lucy who has given him a point to his being and Lucy ‘s position has changed both emotionally and by interrupting off from her societal category. They both have a actual and metaphorical â€Å" room with a position † one that involves populating for the minute and non merely for society. In decision Forster ‘s rubric â€Å" A Room with a Position † is really affectional because through Lucy ‘s eyes we have strayed through the streets of Florence and returned somewhat changed, unable to look at the universe in the same old manner. We all need the room to show our personal truths and the openness and freedom to love that the positions in Forster ‘s fresh represent. How to cite A Room With A View English Literature Essay, Essay examples

The Things They Carried Essay free essay sample

Courage is perseverance. Times stories tell about long, uncomfortable nights and the ever present waiting. In those moments, courage is about perseverance. Tim says, Sometimes the bravest thing on earth was to sit through the night and feel the cold in your bones. Courage was not always a matter of yes or no (141). When the circumstance demanded patience, this would be bravery and courage. In that moment, the bravest thing possible was to wait. Being able to continue without complaint was courage.It takes a strong person to see things through to the end, to push through the fatigue. Tim felt that courage was endurance. The men were able to feel the burden of the war Just in that night of waiting. Courage is the acceptance of guilt and death. Death is an ever present thing in a war. People are killed in wars. Tim once killed a man and he still dwells upon his death and the blame and guilt. We will write a custom essay sample on The Things They Carried Essay or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page He comes to terms with his death by saying, Here is the story-truth killed him. What stories can do, I guess, is make things present. I can look at things I never looked at. I can attach faces to grief and love and pity and God. I can be brave. I can make myself feel again. (172). Tim has finally accepted his role in the mans death. It was courageous of him to reconcile with himself. Courage is facing opposition and overcoming it. It takes courage to accept the hard truth that money you know has died or that you were the cause of someone elses death Courage is being truthful. People often hide behind their lies. Pride and hiding true feelings is a common thing.It takes a strong person to be truthful about everything. Tim talks about his writing, Its time to be blunt.. . I want you to feel what I felt. I want you to know why story-truth is truer sometimes than happening- truth. (171). OBrien tells how most of the story has been invented but he wants us to know the truth behind the stories. It takes a lot of courage to be truthful in a situation that may make you look bad. Sometimes telling the truth is the hardest thing to do. Tim comes to terms with himself and is able to accept his stories as the truth.Courage is being able to face the truth about oneself. O Bribe clearly makes the point that courage has many different definitions. Every situation presents a new way to be courageous. He defines courage as perseverance, acceptance, truth, understanding and many other things. As the novel progressed, he began to explore the courage in facing the truth about himself and his experiences. It is the hardest to have courage when facing yourself.