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wireless communication ece comprehensive viva questions and answers


Posted by:
Created at: Friday 05th of April 2013 08:08:02 AM
Last Edited Or Replied at :Friday 05th of April 2013 08:08:02 AM
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:-) I NEED WIRELESS..................[:=> Show Contents <=:]



BLUETOOTH TECHNOLOGY IN WIRELESS COMMUNICATIONS full report


Posted by: computer science topics
Created at: Monday 07th of June 2010 09:40:00 AM
Last Edited Or Replied at :Friday 05th of October 2012 02:06:48 AM
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pecifications. This hardware handles radio transmission and reception as well as required digital signal processing for the base band protocol. Its functions include establishing connections, support for asynchronous (data) and synchronous (voice) links, error correction, and authentication. The link manager firmware provided with the base band CPU performs low-level device discovery, link setup, authentication, and link configuration. Link managers on separate devices communicate using the Link Management Protocol, which utilizes the services of the underlying link controller (base band). The..................[:=> Show Contents <=:]



innovative projects


Posted by: seminar topics
Created at: Wednesday 31st of March 2010 11:22:51 AM
Last Edited Or Replied at :Tuesday 07th of February 2012 10:35:38 PM
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less burglar alarm, fault alarm, power-off alarm, self checking alarm & wireless night patrol point.
Tsunami Warning System using Area Mail Disaster Information Service on phones Tsunami Warning System with Mobile phones
Secure Three-Dimensional Password for More
Authentication(I&m) A password system for Atm cards using image processing
A Remote-Control Engineering Laboratory A remote Location authorization using Steganography
An Automatic Voice Query System for Bank Based on Telephone Network A voice based Bank querying application
Ultra Low Power Wireless Weather Station..................[:=> Show Contents <=:]



freespace optics full report


Posted by: computer science technology
Created at: Sunday 24th of January 2010 10:58:39 AM
Last Edited Or Replied at :Friday 24th of February 2012 11:24:11 PM
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e, FSO enables optical transmission at speeds of up to 2.5 Gbps and in the future 10 Gbps using WDM. This is not possible using any fixed wireless/RF technology existing today. Two, FSO obviates the need to buy expensive spectrum (it requires no FCC or municipal license approvals), which distinguishes it clearly from fixed wireless technologies. Thus, FSO should not be classified as a wireless technology. Its similarity to conventional optical solutions will enable a seamless integration of access networks with optical core networks and help to realize the vision of an all-optical network.
Fr..................[:=> Show Contents <=:]



DISTRIBUTED WIRELESS COMMUNICATION SYSTEM full report


Posted by: computer science technology
Created at: Monday 18th of January 2010 06:39:08 AM
Last Edited Or Replied at :Saturday 10th of March 2012 03:17:43 AM
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e ground. Also referred to as the reverse link.
Downlink capacity depends on the assumption of the transmission scheme. The following results are based on the assumption that an MT has only one antenna. The red lines in Fig show the results for equal power allocation on m antennas (m is the virtual cell size), which means that the m antennas for a certain user transmit same information with different spreading modes and the same power. We can see from the figure that the capacity decreases when m increases.The reason is that with larger m, there will be more transmitted power wasted on poor ..................[:=> Show Contents <=:]



innovative projects


Posted by: electronics seminars
Created at: Friday 15th of January 2010 12:33:27 PM
Last Edited Or Replied at :Friday 15th of January 2010 12:33:27 PM
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OGNITION WITH RF
m. AUTONOMOUS ROBOT WITH BUILT IN WIRELESS CAMERA
n. TWO STEPPER MOTOR BASED PICK AND PLACE ROBOT
o. OBSTACLE ROBOTS WITH MULTI SENSORS
p. ULTROSONIC BASED ACCIDENT AVOID ROBOT
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s. FIRE CONTROLLER ROBOT USING WATER SPRAYER
t. RFID BASED PASSPORT TRACKING SYSTEM WITH PHOTO IDENTIFICATION
u. RFID BASED AIR PORT BAGGAGE DISPATCH SYSTEM BY CONVEYOR MODEL
v. LIBRARY BOOK MAINTANCE BY RFID
w. BLOOD BANK BLOOD QUANTITY MAINTANCE BY RFID
x. RFID BASED PREPAID TOLLGATE SYSTEMS WITH MODEL ..................[:=> Show Contents <=:]



Free Space Optics FSO communications


Posted by: computer science crazy
Created at: Sunday 20th of September 2009 05:25:14 AM
Last Edited Or Replied at :Sunday 20th of September 2009 05:25:14 AM
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ransmitted through the air. Free Space Optics

(FSO) works on the same basic principle as Infrared television

remote controls, wireless keyboards or IRDA ports on laptops or

cellular phones
Speed of fiber flexibility of wireless

Optical wireless, based on FSO-technology, is an optical

technology that provides the speed of fiber, with the flexibility of

wireless. It enables optical transmission at speeds of up to 2.5 Gbps

and, in the future, 10 Gbps using WDM. This is not possible with any

fixed wireless/RF technology today. Optical wireless also obviates the

need to ..................[:=> Show Contents <=:]



DISTRIBUTED WIRELESS COMMUNICATION SYSTEM Download Full Report And Abstract


Posted by: computer science crazy
Created at: Saturday 21st of February 2009 01:22:15 PM
Last Edited Or Replied at :Thursday 06th of October 2011 11:02:45 PM
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the terminal. For example, the peak data rate is only 2 Mb/s for 3G systems.

Since there will be more and more need for mobile services, the poor throughput of mobile access not only limits user applications based on interconnection, but also wastes the capability of the backbone network. This case is quite similar to the traffic conditions shown in Fig. a, which is an image of an ultra-wide expressway with a few narrow entrances.



Since the little paths are rough,narrow, and crowded, the problems in Fig. a are:
Terminals are far away from the expressway, which wi..................[:=> Show Contents <=:]



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