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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 01:18:25 AM
Last Edited Or Replied at :Wednesday 25th of April 2012 01:18:25 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 02:13:21 AM
Last Edited Or Replied at :Tuesday 19th of June 2012 02:13:21 AM
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ata based on his/her present location. If locating the user cannot be resolved automatically by the system, the user must be provided with the option of manually entering his/her location. The system should be able to handle such requests through geocoding procedures.
Fast access: The user must be able to run various queries, e.g. for nearby restaurants or even for the nearby vegetarian restaurants that are opened after 9pm. Because of these factors mobile had become had become essential commodity in everyone’s part of the life and the increase the technology and the competition le..................==> [ Click Here to Read More ]



Page Name: Fundamental Challenges in Mobile Computing


Posted by: project ideas
Created at: Wednesday 16th of May 2012 05:54:06 AM
Last Edited Or Replied at :Wednesday 16th of May 2012 05:54:06 AM
fundamental challenges in mobile computing ppt ,
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l case of a distributed security concerns, portable computers are more
system? Are there any new and deep issues to be vulnerable to loss or damage.
investigated, or is mobile computing just the latest fad? • Mobile connectivity is highly variable in
This paper is my attempt to answer these questions. The performance and reliability.
paper is in three parts: a characterization of the essence of Some buildings may offer reliable, high-bandwidth
mobile computing; a brief summary of results obtained by wireless connectivity while others may only offer
my research group in the context of t..................==> [ 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 01:18:25 AM
Last Edited Or Replied at :Wednesday 25th of April 2012 01:18:25 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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Mobile Computing Seminar Technologies and standards in wireless communication Summary




Radio Transmission Techniques

We rst have a look at techniques for transmitting information reliably over radio waves in the GHz
spectrum
Three techniques in radio transmission are presented Frequency Hopping Spread Spectrum Direct Se
quence Spread Spectrum and Orthogonal FrequencyDivision Multiplexing They all try to achieve resis
tance against narrowband interference caused by other radio sources
 Frequency H..................==> [ Click Here to Read More ]



Page Name: MOBILE COMPUTING LOCATION MANAGEMENT


Posted by: project expert
Created at: Monday 09th of January 2012 04:38:27 AM
Last Edited Or Replied at :Friday 27th of January 2012 10:11:15 PM
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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 04:47:26 AM
Last Edited Or Replied at :Friday 25th of March 2011 04:47:26 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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ach cell has a number of channels associated with it. These are assigned to subscribers on demand. When a Mobile Station (MS) becomes 'active' it registers with the nearest BS. The corresponding MSC stores the information about that MS and its position. This information is used to direct incoming calls to the MS. If during a call the MS moves to an adjacent cell then a change of frequency will necessarily occur - since adjacent cells never use the same channels. This procedure is called hand over and is the key to Mobile communications. As the MS is approaching the edge of a cell, the BS monit..................==> [ Click Here to Read More ]



Page Name: MOBILE COMPUTING FRAMEWORK


Posted by: academic expert
Created at: Monday 14th of February 2011 11:41:08 PM
Last Edited Or Replied at :Friday 27th of January 2012 10:10:36 PM
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ol; it issues requests to the IrLAN provider to establish a data link and to configure the link.
IrLAP (Infrared Link Access Protocol)
A protocol, based on the HDLC protocol, designed to control an infrared link. IrLAP provides for discovery of devices, their connection over an infrared link, and reliable data delivery between devices.
IrLMP (Infrared Link Management Protocol)
A multiplexing protocol designed to run on top of IrLAP. IrLMP is multipoint-capable even though IrLAP is not. When IrLAP becomes multipoint-capable, multiple machines will be able to communicate concurrently over an..................==> [ 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 05:08:07 AM
Last Edited Or Replied at :Friday 22nd of April 2011 11:01:29 PM
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e system and to clarify the constraints that are imposed on existing mobile services. The paper will also investigate successively the enabling technologies and the improvements they brought. Most importantly, the paper will identify their limitations and capture the fundamental requirements for future mobile service architectures namely openness, separation of service logic and content, multi-domain services, personalization, Personal Area Network (PAN)-based services and collaborative services. The paper also explains the analysis of current mobile service architecture such as voice communi..................==> [ Click Here to Read More ]



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