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Improving Wireless Sensor Network Performance Using  BigData and Clustering Approach

Well-organized big data get together in the densely distributed sensor networks is, therefore, a challenging research area. One of the most effective solutions to address this challenge is to utilize the sink node’s mobility to facilitate the data gathering. While this technique can reduce energy consumption of the sensor nodes, the use of mobile sink presents additional Challenges such as determining the sink node’s trajectory and cluster formation prior to data collection. In this paper, we propose a new mobile sink routing and data gathering method through network clustering based on modified ExpectationMaximization (EM) technique. In addition, we derive an optimal number of clusters to minimize the energy consumption. The effectiveness of our proposal is verified through numerical results.

Dual Band Edge Serrated Microstrip Antenna on FR4  Substrate for L & S Band Applications

With the advancements in optical and satellite communications for high speed long range data transmissions, serrated antennas plays a vital role. In this work we have designed a Edge Serrated Microstrip Patch antenna used for these applications has been modeled on FR4 substrate as a dielectric medium which has a relative permittivity value of 4.4. The proposed antenna was resonating at two different frequencies in L & S band Microwave frequency ranges. This antenna was fed with coaxial feeding and was designed in a software HFSS.

Printed Hexagonal Patch Monopole Antenna with  Hexagonal Slot for Wide Band Frequency Applications

In this paper a hexagonal patch microstrip antenna with hexagonal slot behaves as a wide band monopole antenna having great return loss. It is designed for 1.1194-2.7078 GHz frequency band with wide bandwidth of 1.5884 GHz and return loss of - 73.63dB. A hexagonal patch with etched ground plane monopole antenna with hexagonal Slot is fabricated on the glass epoxy (FR4 lossy) of dielectric substrate with relative permittivity (εr) of 4.3, thickness of 1.6mm, loss tangent of 0.02 with a ground plane, fed with a 50Ω rectangular microstrip feed line. This prototype antenna having an omnidirectional radiation pattern is measured for frequency range of 0-3 GHz. The novelty of this antenna is that hexagonal patch with hexagonal slot gives it uniqueness in design and also getting a bandwidth approx 1.6 GHz with -73dB Return loss is big achievement in 0-3 GHz frequency Band itself. As the antenna is designed only in 0- 3GHz band, having all such properties in one antenna p

How to Repair Car’s Paint without Much Investment

Many times you face with car paint problems, such as car’s paint getting chipped off due to one reason or other. This can happen by chance when your car scratched past against a wall or a bush, or a lorry truck tossed few marble size stone chips on your car’s hood while changing lanes, ripping off the car’s paint on several places.

Wedding Bands World Now Offers Two Tone Wedding Band in Different Metals

Wedding Bands World designs and manufactures an exquisite selection of platinum, gold and Palladium wedding rings and wedding bands.

En intervju med Japans premiärminister Shinzo Abe: Elliott and Associates Economy Review Europe

Efter att ha tagit vågad ekonomiska åtgärder för att dra Japan ur lågkonjunkturen, premiärminister Shinzo Abe kan vara på gränsen till ett annat genombrott: ett möte med Kinas President Xi Jinping i nästa vecka på den Asien-Stillahavsområdet ekonomiska samarbete (APEC) samlas i Peking. Under det senaste året har eskalerat spänningar mellan Japan och Kina över öarna i East China Sea (känd i Japan som de Senkaku-öarna och i Kina som Diaoyu öarna). Diplomatiska förbindelser mellan de två länderna har frysts efter 2012, när Japan köpt öarna, och Abe har också kommit under kritik i Kina för hans 2013 besök till Yasukuni Shrine i Japans krig döda, som omfattar andra världskriget krigsförbrytare. Han satte sig på sitt kontor här senaste veckan med The Washington Post Lally Weymouth att diskutera ekonomin, band med Kina och om han har förtroende för President Obama.

What is the cheapest way to get a car in Singapore

When you visit Singapore, you will be able to enjoy the classy amenities available in the world. The country is well equipped with all modern facilities to lure visitors from all over the world. However, if you are able to save money while selecting each deal during your trip, you will definitely be able to enjoy your vacation better. In order to travel around the country comfortably, renting a car would be the best option.

How to Remove Black Ink from Car Paint

If you know the type of ink that has got on your car’s paint i.e. the chemical composition of the ink, then it is a lot easier to decide the best cleaning solution for ink removal. If you have got an ink stain on your car’s body, the best thing is to take quick action.

Hotel dengan Sertifikat LEED Bisa Meningkatkan Revenue

Di Amerika Serikat dan sejumlah negara lain di dunia, sertifikat LEED merupakan standar yang diakui untuk mengukur sustainable design atau energi terbarukan pada sebuah hotel. Mendapatkan sertifikat LEED adalah cara terbaik bagi Anda untuk menunjukkan bahwa proyek bangunan hotel Anda benar-benar "hijau" atau termasuk bangunan dengan energi terbarukan.

Vaikundarajan Congratulates Sania Mirza for winning the WTA Championship

Ending the year with biggest WTA Championship win India Tennis star Saina Mirza had setup a new goal to became ‘World Number One’ champion in doubles. Vaikundarajan shared this news with all fans of Sania, she achieve this victory in WTA finals in Singapore Sunday with Cara Black.

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