Cell Phones Glossary
Technology / Cell Phones Glossary
Telephone Transmission Tower: A telephone base station located on top of a tall, free-standing structure.
Telephony: Originally meaning voice (analog) communication by telephone (land line), this term has come to encompass virtually all telecommunications, because virtually all telecommunications can be do . . . View Full Definition
Termination Charges: Fees that wireless telephone companies pay to complete calls on wireline phone networks or vice versa.
Third Generation (3G): A new wireless standard promising increased capacity and high-speed data applications up to two megabits. Third generation wireless employ wideband frequency carriers and a CDMA air interfac . . . View Full Definition
Time Division Multiple Access (TDMA): A method of digital wireless communications transmission allowing a large number of users to access a single radio-frequency channel without interference. Each user is given a unique time sl . . . View Full Definition
Total Access Communication System (TACS): European analog cellular.
Transceiver: Equipment to handle the broadcast and reception of radio signals with network or subscriber equipment.
Tri-Band: A network infrastructure or wireless phone designed to operate in three frequency bands: 800 MHz, 900 MHz and 1800MHz.
Tri-Mode: Phones that work on three modes GSM, TDMA and analog.
Triangulation: The process of pinning down a caller's location using three or more radio receivers, a compass and a map.
Trunking: Spectrum-efficient technology that establishes a queue to handle demand for voice or data channels.
Universal Mobile Telecommunications System (UMTS): The goal of UMTS is to enable networks that offer true global roaming and can support a wide range of voice, data and multimedia services. A new-generation technology for rapidly moving data . . . View Full Definition
Universal Wireless Communications Consortium (UWCC): An industry group supporting TDMA and WIN technology.
Uplink: The portion of a telecommunications path from the ground to the satellite, also referred to as the forward link.
UWC-136: A third-generation wireless standard proposal based on TDMA technology that was developed by the Universal Wireless Communications Consortium and is one of the 3G candidates submitted to the . . . View Full Definition
Visitor Location Register (VLR): A network database that holds information about roaming wireless customers.
Voice Activation: A convenient safety feature that allows a subscriber to dial a phone by voice instead of physically punching in the numbers.
Voice Recognition: The capability for cellular phones, PCs and other communications devices to be activated or controlled by voice commands.
Wavelength: The distance covered by one cycle of a wave.
Wideband CDMA (WCDMA): A 3G mobile services platform, based on modern, layered network-protocol structure, similar to the protocol structure used in GSM networks. WCDMA has been designed for high-speed data servic . . . View Full Definition
Wideband Packet CDMA (WPCDMA): A technical proposal from Golden Bridge Technology that wraps WCDMA and cdma2000 into one standard.
Wireless Application Protocol (WAP): An open standard for communication between handsets and the Internet. WAP is a wireless communications environment for delivering web data to wireless terminals with minimal screen display. . . . View Full Definition
Wireless Communications Services (WCS): The variety of services available using frequencies in the 2.3 GHz band for general fixed wireless use.
Wireless Instant Messaging (WIM): Bridges the gap between wired and wireless networks. WIM seamlessly allows a desktop user to instantly send a message to a handset.
Wireless Intelligent Network (WIN): The architecture needed to match the capabilities of the wireline intelligent network. In addition to transparent roaming, selective call screening, short message service and pre-paid billin . . . View Full Definition