Telecommunications engineering

The decibel (symbol: dB) is a relative unit of measurement equal to one tenth of a bel (B). It expresses the ratio of two values of a power or root-power quantity on a logarithmic scale. Two signals whose levels differ by one decibel have a power ratio of 101/10 (approximately ) or root-power ratio of 101/20 (approximately ).

traffic prioritization and measure of network performance

thumb|upright=1.5|Comparison of photometric and radiometric quantities Radiometry is a set of techniques for measuring electromagnetic radiation, including visible light. Radiometric techniques in optics characterize the distribution of the radiation's power in space, as opposed to photometric techniques, which characterize the light's interaction with the human eye.

network which provides access to consolidated, block level data storage

structure used to propagate electromagnetic waves

network for communications over distance

specialized cable or other structure designed to carry alternating current of radio frequency

thumb|An example of software interoperability: a mobile device and a TV device both playing the same digital music file that is stored on a server off-screen in the home network

320px|thumb|right| Entrance to a cleanroom with no air shower thumb|right| Cleanroom used for the production of microsystems. The yellow (red-green) lighting is necessary for [[photolithography, to prevent unwanted exposure of photoresist to light of shorter wavelengths.]] thumb|right| Cleanroom from outside thumb|right| Cleanroom for microelectronics manufacturing with [[fan filter units installed in the ceiling grid]] thumb|right| Cleanroom cabin for precision measuring tools thumb| Typical cleanroom head garment

subfield of electrical engineering that deals with the recording, transmission, processing and storage of communication

process of sending and propagating a signal

process of creating an integrated circuit by combining thousands of transistors into a single chip that began in the 1970s when complex semiconductor and communication technologies were being developed

In physics, attenuation is the gradual loss of flux intensity through a medium. For instance, dark glasses attenuate sunlight, lead attenuates X-rays, and water and air attenuate both light and sound at variable attenuation rates.

telecommunications performance metric

design of a communications network

communications channel that connects two or more communicating devices

method used to control a radio-controlled vehicle from the driver or pilot's view point

identifier for a node or network interface of a telecommunications network

method for electrically transmitting information using two complementary signals

Maintainability is the ease of maintaining or providing maintenance for a functioning product or service. Depending on the field, it can have slightly different meanings.

discrete event network simulator

electronics circuit extension

modulation scheme in telecommunication

radio that can be programmed and configured dynamically to use the best wireless channels in its vicinity to avoid user interference and congestion

loss of signal transmission power when devices are connected to a transmission line

award

specified period of time that will be allowed to elapse in a system before a specified event is to take place

electronic device

two-port device that transmits microwave or radio frequency power in one direction only

path loss of radio transmitted through air or vacuum

accounting of signal gains and losses in communications

Transport Layer Security extension for application layer protocol negotiation

historical network in England pioneering packet switching

transition of source to receiver in telecommunications

simulating computer networks

OMNeT++ (Objective Modular Network Testbed in C++) is a modular, component-based C++ simulation library and framework, primarily for building network simulators. OMNeT++ can be used for free for non-commercial simulations like at academic institutions and for teaching. OMNEST is an extended version of OMNeT++ for commercial use.

halt to communication abilities or utilization

small plastic screan with 2 atchments one with HF/el . C 2008 Apple

parameters of transmission lines

type of telecommunications engineering

the time a job waits in a queue until it can be executed

distortion in some communications media