Explosive information demand in the internet world is creating enormous needs for capacity expansion in next generation telecommunication networks. It is expected that the data- oriented network traffic will double every year.

Optical networks are widely regarded as the ultimate solution to the bandwidth needs of future communication systems. Optical fiber links deployed between nodes are capable to carry terabits of information but the electronic switching at the nodes limit the bandwidth of a network. Optical switches at the nodes will o ....etc

[:=Read Full Message Here=:]

hi...........i want abstract for mems optical technique.....
....etc

[:=Read Full Message Here=:]

Abstract—
In this paper, the method of triangular carrier
switching control of two-level inverters is extended to cascaded
multilevel inverters using phase-shifted multicarrier unipolar
pulsewidth modulation (PWM). The condition for smooth modulation
is obtained using the Bessel’s function representation of
the PWM output and the switching condition of the multilevelinverter-
controlled system. A method is proposed for the determination
of the minimum amplitude of the triangular carrier
for smooth modulation at fixed switch ....etc

[:=Read Full Message Here=:]

Optical burst switching is a promising solution for all optical WDM networks It combines the benefits of optical packet switching and wavelength routing while taking into account the limitations of current all optical technology In OBS the user data is collected at the edge of the network, sorted based on destination address,and grouped into variable sized bursts Prior to transmitting a burst, a control packet is created and immediately send toward the destination in order to setup a buffer less optical path for its corresponding burst After a ....etc

[:=Read Full Message Here=:]

i want to know the circuit diagram for zero voltage switching resonant dc page link inverter using auxilary boost converter and also the logic to turn on the switches.please help me finding the solution ....etc

[:=Read Full Message Here=:]

Telecommunication switching systems
Evolution of Telecommunication Technology
 Today’s telecommunication technologies have evolved from the earliest smoke signals to almost instant global transmission of large amounts of data.
History
 1837- Samuel morse invents the telegraph.
 1858-Transoceanic telegraph cable is laid.
 1876-Alexander Graham bell invents telephone.
 1885-Incorporation of American telephone & telegraph company. (AT&T)
 1888-Heinrich Hertz discovers electromagnetic wav ....etc

[:=Read Full Message Here=:]

....etc

[:=Read Full Message Here=:]

hi.......s
cyjsgchhcbhbchbchbchgchb
vchgjhjhcgdhbch
hcghgchdgbchgdbhcbddbhbcgdhcg ....etc

[:=Read Full Message Here=:]

The C
C-DOT DSS FAMILY

C-DOT DSS MAX is a universal digital switch

Application as local, transit or integrated local
and transit switch.

High traffic or capacity of 40000 lines as local
exchange or 15000 trunks as Trunk automatic
exchange.

It has the facilities like RSU which provides
switching facility locally even in case of failure
of the communication path to the parent
exchange.

Electronic Design automation (EDA) Tools for
hardware and ASIC Design. Case Tools for
Development and testing of software
6
POWER PLANT ....etc

[:=Read Full Message Here=:]

Presented By:
ASHUTOSH MALAWAT
(Final Year, E&C)
Maharishi Arvind Institute of Engineering and Technology
Introduction :
The Department of Telecom¬munications had announced ambitious plans for the addition of 7.5 million lines to the existing 5.8 million by the end of the 8th plan (1992-97) as compared to only 3.2 million in 1982-92.

Consequent upon delicensing of the Telecom. equipment and throwing it open to foreign investments, six new technologies were planned to be ....etc

[:=Read Full Message Here=:]