what is the advantages of circuit switching in packet switching?? plz give me answer

what is the advantages of circuit switching in packet switching?? plz give me answer


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Presented by:
K.Bhagyasree
M.Ramyasudha


INTELLICELL
A FULLY ADAPTIVE APPROACH TO SMART ANTENNAS
ABSTRACT
Cellular communications has reached mass-market status over the past decade with the emergence of two very successful standards: CDMA and GSM. Over this same decade, an important enabling technology, “smart antennas,” has also matured. Combined with today’s powerful, low-cost processors, advanced smart antenna technology is destined to become an important part of the cellular landsc ....etc

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Hi! I want to collect the names of artificial satellites of India alongwith their pictures for my project work.Plz,help me,, ....etc

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ABSTRACT

This paper presents a scheme for designing a kind of wireless charging system aimed to provide power transmission for personal mobile devices such as cell phone. This scheme consists of three parts: wireless power transmission design, wireless signal transmission design and charging manage design. A circular array consisting of some antenna elements is employed in the scheme as transmit access of power and signal. In the supposed indoor condition, the transfer efficiency can up to 66%. The charging manage adopt a close-loop optimal ....etc

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Submitted by
NEERAJ MANI TRIPATHI


ABSTRACT
A detailed study on the various next generation nature inspired geometry antennas
i.e. fractal antennas is performed. Mainly four types of printed fractal antennas i.e.
Sierpinski Carpet, Quasi Koch Fractal, Mix fractal and Sierpinski Gasket Fractal
are designed using 3D FEM based solver (Ansoft HFSS), which are basically
variants of Patch antenna. Maximum iteration is three and these antennas are fed
using three basic techniques Transformer Feed, Inset Feed and ....etc

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SMART ANTENNA DESIGN FOR WIRELESS COMMUNICATION USING ADAPTIVE BEAM-FORMING APPROACH




INTRODUCTION


The dramatic growth of the wireless communication industry has resulted in searches for new technologies to provide broader bandwidth per user channel, better quality, and new value-added services.
Due to drastical increase in wireless communication system, it is necessary to increase the Data Transmission Speed and Coverage Area.


PREVIOUS DRAW B ....etc

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his paper mainly concentrates on use of smart antennas in mobile communications that enhances the capabilities of the mobile and cellular system such a faster bit rate, multi use interference, space division multiplexing (SDMA),increase in range, Multi path Mitigation, reduction of errors due to multi path fading and with one great advantage that is a very high security. The signal that is been transmitted by a smart antenna cannot tracked or received any other antenna thus ensuring a very high security of the data transmitted.
http://ziddudo ....etc

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Smart Antenna
ABSTRACT
One of the most rapidly developing areas of communications is Smart Antenna systems. This paper deals with the principle and working of smart antennas and the elegance of their applications in various fields such a 4G telephony system, best suitability of multi carrier modulations such as OFDMA etc. This paper mainly concentrates on use of smart antennas in mobile communications that enhances the capabilities of the mobile and cellular system such a faster bit rate, m ....etc

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i am suresh i want to present ppt please send me any topic related to smart antennas ....etc

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