full-duplex - определение. Что такое full-duplex
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Что (кто) такое full-duplex - определение

COMMUNICATION FLOWING IN BOTH DIRECTIONS SIMULTANEOUSLY
Half-duplex; Full-duplex; Time-division duplex; Frequency division duplex; Duplexing; Frequency duplex; Full duplex; Duplex communication; Half duplex; Duplex Communication; Duplex (Telecommunications); Duplex (communications); Duplex transmission; Full-duplexed; Duplex channel; Duplex telecommunications; Full Duplex; Two-way simultaneous; Time division duplex; Half Duplex; Frequency-Division Duplex; Frequency division duplexing; Half duplex communication; Frequency-division duplex; Duplex conversation; Half-duplex conversation; Full-duplex conversation; Half-duplex operation; Dual-simplex; Dual simplex; Transmit/receive transition gap; Receive/transmit transition gap; Semiduplex
  • A simple illustration of a full-duplex communication system. Full-duplex is not common in handheld radios as shown here due to the cost and complexity of common duplexing methods, but is used in [[telephone]]s, [[cellphone]]s and [[cordless phone]]s.
  • A simple illustration of a half-duplex communication system

full-duplex         
<communications> (fdx, from telegraphy) 1. A type of duplex communications channel which carries data in both directions at once. On purely digital connections, full-duplex communication requires two pairs of wires. On analog networks or in digital networks using carriers, it is achieved by dividing the bandwidth of the line into two frequencies, one for sending, and the other for receiving. 2. An obsolete term for remote echo. Compare simplex, half-duplex, double-duplex. (2001-07-21)
Duplex (telecommunications)         
A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions. Duplex systems are employed in many communications networks, either to allow for simultaneous communication in both directions between two connected parties or to provide a reverse path for the monitoring and remote adjustment of equipment in the field.
half-duplex         
<communications> (hdx, from telegraphy) 1. A type of communication channel using a single circuit which can carry data in either direction but not both directions at once. Compare: simplex, full-duplex. 2. An obsolete term for local echo. (2001-07-21)

Википедия

Duplex (telecommunications)

A duplex communication system is a point-to-point system composed of two or more connected parties or devices that can communicate with one another in both directions. Duplex systems are employed in many communications networks, either to allow for simultaneous communication in both directions between two connected parties or to provide a reverse path for the monitoring and remote adjustment of equipment in the field. There are two types of duplex communication systems: full-duplex (FDX) and half-duplex (HDX).

In a full-duplex system, both parties can communicate with each other simultaneously. An example of a full-duplex device is plain old telephone service; the parties at both ends of a call can speak and be heard by the other party simultaneously. The earphone reproduces the speech of the remote party as the microphone transmits the speech of the local party. There is a two-way communication channel between them, or more strictly speaking, there are two communication channels between them.

In a half-duplex or semiduplex system, both parties can communicate with each other, but not simultaneously; the communication is one direction at a time. An example of a half-duplex device is a walkie-talkie, a two-way radio that has a push-to-talk button. When the local user wants to speak to the remote person, they push this button, which turns on the transmitter and turns off the receiver, preventing them from hearing the remote person while talking. To listen to the remote person, they release the button, which turns on the receiver and turns off the transmitter. This terminology is not completely standardized, and some sources define this mode as simplex.

Systems that do not need duplex capability may instead use simplex communication, in which one device transmits and the others can only listen. Examples are broadcast radio and television, garage door openers, baby monitors, wireless microphones, and surveillance cameras. In these devices, the communication is only in one direction.