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Page Name: Mobile Computing Seminar Technologies and standards in wireless communication Summary


Posted by: project ideas
Created at: Wednesday 25th of April 2012 06:18:25 AM
Last Edited Or Replied at :Wednesday 25th of April 2012 06:18:25 AM
mobile computing seminar topics , frquency hopping spread spectrum in mobile computing pdf, frequency for radio transmission in mobile computing , ppt for summary latest technology in mobile computing, wireless communication of multiplexing in mobile computing ppt , mobile computing seminar technologies and standard wireless communication,
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ant bit pattern called chip sequence whereby an nchip code spreads the signal by
a factor of n If some interference destroys part of the chip sequence the original bit may still be recovered
from the remaining chips

Orthogonal FrequencyDivision Multiplexing OFDM

The general idea of OFDM is to split a highrate data stream into lowerrate streams which are trans
mitted simultaneously over a number of subcarriers These subcarriers are orthogonal to each other in
the sense that when listening to one subcarrier the others don t interfere hence the name Orthog
..................==> [ Click Here to Read More ]



Page Name: Mobile Computing for E-commerce


Posted by: project ideas
Created at: Tuesday 19th of June 2012 07:13:21 AM
Last Edited Or Replied at :Tuesday 19th of June 2012 07:13:21 AM
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SMS is always on, Goes wherever I go.
Browsing of spatial information, e.g. in the form of a city map.
Navigation: the user must be able to acquire directions and guidance for reaching a specific point of interest.
Access to catalogue data, e.g. names of restaurants and their description like menu, range of prices, opening hours, etc. Catalogue data must be spatially referenced, so the facilities in the catalogue can be represented on the map and directions for reaching them can be acquired.
Location-based access: The user must be able to access map and catalogue d..................==> [ Click Here to Read More ]



Page Name: Fundamental Challenges in Mobile Computing


Posted by: project ideas
Created at: Wednesday 16th of May 2012 10:54:06 AM
Last Edited Or Replied at :Wednesday 16th of May 2012 10:54:06 AM
fundamental challenges in mobile computing ppt ,
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ch as processor speed, memory size,
and disk capacity. While mobile elements will

The Need for Adaptation
improve in absolute ability, they will always be
resource-poor relative to static elements. Mobility exacerbates the tension between autonomy and
interdependence that is characteristic of all distributed
systems. The relative resource poverty of mobile elements
This research was supported by the Air Force Materiel Command as well as their lower trust and robustness argues for
(AFMC) and ARPA under contract number F196828-93-C-0193. reliance on static servers. But the nee..................==> [ Click Here to Read More ]



Page Name: Mobile Computing Seminar Technologies and standards in wireless communication Summary


Posted by: project ideas
Created at: Wednesday 25th of April 2012 06:18:25 AM
Last Edited Or Replied at :Wednesday 25th of April 2012 06:18:25 AM
mobile computing seminar topics , frquency hopping spread spectrum in mobile computing pdf, frequency for radio transmission in mobile computing , ppt for summary latest technology in mobile computing, wireless communication of multiplexing in mobile computing ppt , mobile computing seminar technologies and standard wireless communication,
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opping Spread Spectrum FHSS
In Frequency Hopping the transmission band is divided into dierent frequency channels typically 
and a logical channel ie a channel on which two or more devices communicate hops periodically from
one frequency channel to another with a pseudorandom hopping sequence

 Direct Sequence Spread Spectrum DSSS

Also in Direct Sequence the frequency band is divided into fewer but larger
channels but no hopping
is used To compensate for noise on a channel a technique called chipping is implemented each bit is
converted into a redund..................==> [ Click Here to Read More ]



Page Name: MOBILE COMPUTING LOCATION MANAGEMENT


Posted by: project expert
Created at: Monday 09th of January 2012 10:38:27 AM
Last Edited Or Replied at :Saturday 28th of January 2012 04:11:15 AM
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ve more subscribers.

A mobile station communicates with another station, either mobile or land, via a base station. A mobile station cannot communicate with another mobile station directly. To make a call from a mobile station, the mobile station first needs to make a request using a reverse control channel of the current cell. If the request is granted by the MSC, a pair of voice channels will be assigned for the call. To route a call to a mobile station is more complicated.

The network first needs to know the MSC and the cell in which the mobile station is currently located. How to ..................==> [ Click Here to Read More ]



Page Name: MOBILE COMPUTING- CDPD TECHNOLOGY


Posted by: academic expert
Created at: Friday 25th of March 2011 09:47:26 AM
Last Edited Or Replied at :Friday 25th of March 2011 09:47:26 AM
MOBILE COMPUTING CDPD TECHNOLOGY, MOBILE , COMPUTING, CDPD , wireless mobile computing, rugged mobile computer , advantages of mobile computing, mobile computing definition , mobile computing solutions, what is mobile computing , mobile computing technology, mobile computing applications , mobile computing device, mobile computer , mobile computing, TECHNOLOGY , mobile computing and cdpd, mobile computing on cdpd technology , abstract of cdpd technology, mobile cdpd tech abstract , abstract of mobile cdpd technology, cdpd technology , what is cdpd technology, ppt on mobile computing cdpd technology , cdpd technology in mobile computing ppt, diagrams on cdpd technology , cdpd technology seminar, mobile cdpd techonology , mobile cdpd technology pdf, mobile cdpd technology , abstract for mobile computing docx, cdpd in mobile computing powerpoint presentation , mobilecompting docx, cdpd in moblie computig , difference between cdpd and circuit switching, mobile computing cdpd technology ppt , application of cdpd technology,
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destinator. It can be thought of managing the cell, being responsible for set-up, routing control and termination of the call, for management of inter-MSC hand over and supplementary services, and for collecting charging and accounting information. The MSC may be connected to other MSCs on the PSTN.
Mobile Switching Centre
The frequencies used vary according to the cellular network technology implemented. For GSM, 890 - 915 MHz range is used for transmission and 935 -960 MHz for reception. The DCS techology uses frequencies in the 1800MHz range while PCS in the 1900MHz range.
E..................==> [ Click Here to Read More ]



Page Name: MOBILE COMPUTING FRAMEWORK


Posted by: academic expert
Created at: Tuesday 15th of February 2011 05:41:08 AM
Last Edited Or Replied at :Saturday 28th of January 2012 04:10:36 AM
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at a node can transmit before it must allow the other node an opportunity to transmit. The maximum IrLAP window size is seven frames.
Overview
The IrLAN protocol is a “sided” protocol that defines a two-channel interface between a protocol client and a protocol server. An IrLAN provider is passive. It is up to the IrLAN client to discover and then attach to the provider and open up a data channel over which LAN packets can be transmitted and received. In IrLAN peer-to-peer mode (which is also described in “Access Methods”), each station has both an IrLan client and provider. T..................==> [ Click Here to Read More ]



Page Name: ARCHITECTURE CHALLENGES AND RESEARCH ISSUES ON MOBILE COMPUTING


Posted by: seminar topics maker
Created at: Friday 02nd of April 2010 10:08:07 AM
Last Edited Or Replied at :Saturday 23rd of April 2011 04:01:29 AM
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ARCHITECTURE, CHALLENGES AND RESEARCH ISSUES ON MOBILE COMPUTING

Abstract

With the advent of the Internet and the plurality and variety of fancy applications it brought with it, the demand for more advanced services on cellular phones increasingly becoming urgent. Unfortunately, so far the introduction of new enabling technologies did not succeed in boosting new services. The adoption of Internet services has shown to be more difficult due to the difference between the Internet and the mobile telecommunication system. The goal of this paper is to examine the characteristics of the mobil..................==> [ Click Here to Read More ]



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