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Data transmission

Terms related to data transmission, including definitions about communication channels and words and phrases about point-to-point and point-to-multipoint data transfers.

VOI - YAG

  • voice-enabled e-mail (voice-activated e-mail) - Voice-enabled e-mail (sometimes referred to as voice-activated e-mail) uses voice recognition and speech synthesis technologies to enable users to access their e-mail from any telephone.
  • VoIP phone - A VoIP phone is a hardware- or software-based telephone designed to use voice over IP (VoIP) technology to send and receive phone calls over an IP network.
  • VoIP trunk gateway - A VoIP trunk gateway is an interface that facilitates the use of plain old telephone service (POTS) equipment, such as conventional phone sets and fax machines, with a voice over IP (VoIP) network.
  • von Neumann bottleneck - The von Neumann bottleneck is a limitation on throughput caused by the standard personal computer architecture.
  • WAN optimization (WAN acceleration) - WAN optimization -- also known as WAN acceleration -- is the category of technologies and techniques used to maximize the efficiency of data's flow across a wide area network (WAN), between organizations' centralized data centers and their remote locations.
  • weighted fair queueing (WFQ) - Weighted fair queueing (WFQ) is a method of automatically smoothing out the flow of data in packet-switched communication networks by sorting packets to minimize the average latency and prevent exaggerated discrepancies between the transmission efficiency afforded to narrowband versus broadband signals.
  • whip antenna - A whip antenna is a single-element antenna that can be used with anunbalanced feed line such as coaxial cable,or attached directly to a wirelesstransmitter, receiver, or transceiver.
  • white space - White space, in a communications context, refers to underutilized portions of the radio frequency (RF) spectrum vacated in the absence of analog broadcast television.
  • white space device (WSD) - A white space device is an FCC-certified wireless device that can be used without an exclusive broadcast license in the RF spectrum below 700 MHz: underutilized, unlicensed portions of the spectrum called white space.
  • Wi-Fi HaLow (802.11ah) - HaLow is based on the WiFi Alliance 802.
  • Wi-Fi Multimedia (WMM) - Wi-Fi Multimedia (WMM), previously known as Wireless Multimedia Extensions (WME), is a subset of the 802.
  • wireless backhaul - Wireless backhaul is the use of wireless communications systems to get data from an end user to a node in a major network such as the Internet or the proprietary network of a large business, academic institution or government agency.
  • wrap plug - A wrap plug, also known as a loopback plug, is a special plug that can be inserted into a port on a communications device to perform a diagnostic test called a loopback test.
  • Yagi antenna (Yagi-Uda array) - A Yagi antenna, also known as a Yagi-Uda array or simply a Yagi, is a unidirectional antenna commonly used in communications when a frequency is above 10 MHz.

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