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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
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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 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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devices, such as smart phones with embedded SIM card to enhance processing power and storage capabilities, carry out many mobile e-commerce transactions. The main driving force for the rapid acceptance rate of mobile e-commerce is its increased convenience and efficiency in performing simple transactions compared with the stationary machines. For example, some transactions involve only a single request and reply between a customer and a merchant, and possible another round trip message exchange between the customer and the bank. Using a mobile device, people can perform these kinds of transac..................==> [ 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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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 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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ular networks. Location management consists of updating the location of the user, searching the location and performing search-updates. Various strategies can be discussed in this paper for the efficient performance of updating, searching and search-updating strategies +throughout the execution.
In a cellular network, a service coverage area is divided into smaller hexagonal areas referred to as cells. A base station serves each cell. The base station is fixed. It is able to communicate with mobile stations such as cellular telephones using its radio transceiver. The base station is connected..................==> [ 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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CDPD technology is much more advantageous than the others.
. CDPD networks allow fixed or mobile users to connect to the network across a fixed link and a packet switched system respectively. Fixed users have a fixed physical link to the CDPD network. In the case of a mobile end user, the user can, if CDPD network facilities are non-existent, connect to existing circuit switched networks and transmit data via these networks. This is known as Circuit Switched CDPD (CS-CDPD).
WHY IS CDPD TECHNOLOGY BETTER THAN CIRCUIT SWITCHED?
CDPD is not better than Circuit Switch for transmitti..................==> [ 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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formula are shown in the following table.
Frame Formats
The IrLAN protocol defines the commands used on the control channel as well as the format of data on the data channel. These formats are defined above TinyTP; that is, TinyTP segmentation and reassembly and flow control is assumed to be handled by the TinyTP interface. The definitions in the following sections are for the assembled TinyTP frames.
Data-Channel Frame Formats
Frames on the IrLAN data channel are formatted the same as for their respective media.
For 802.3 (Ethernet), the format is the same as would be transmitted..................==> [ 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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