61 relations: Alcatel-Lucent, Base transceiver station, Beamforming, Bit rate, Carrier wave, CDMA2000, CdmaOne, Circuit switching, Code rate, Code-division multiple access, Duplex (telecommunications), Enhanced Data Rates for GSM Evolution, Evolution-Data Optimized, Globalstar, Handover, High Speed Packet Access, High-definition television, High-definition video, Hybrid automatic repeat request, International Telecommunication Union, Internet access, Internet Protocol, Internet protocol suite, List of CDMA2000 networks, List of Evolution-Data Optimized network equipment suppliers, List of interface bit rates, LTE (telecommunication), MAC address, Microcell, MIMO, Mobile broadband, Mobile broadband modem, Mobile phone, Modulation, Multiplexing, Network performance, Orthogonal frequency-division multiple access, Orthogonal frequency-division multiplexing, Packet switching, Phase-shift keying, Power control, Proportionally fair, Qualcomm, Quality of service, Radio, Satellite phone, Signal-to-noise ratio, Space-division multiple access, Statistical time-division multiplexing, Streaming media, ..., SVDO, Telecommunication, Telecommunications link, Time-division multiplexing, Turbo code, Voice over IP, WiMAX, Wireless, 3G, 3rd Generation Partnership Project 2, 4G. Expand index (11 more) » « Shrink index
Alcatel-Lucent S.A. was a French global telecommunications equipment company, headquartered in Boulogne-Billancourt, France.
A base transceiver station (BTS) is a piece of equipment that facilitates wireless communication between user equipment (UE) and a network.
Beamforming or spatial filtering is a signal processing technique used in sensor arrays for directional signal transmission or reception.
In telecommunications and computing, bit rate (bitrate or as a variable R) is the number of bits that are conveyed or processed per unit of time.
In telecommunications, a carrier wave, carrier signal, or just carrier, is a waveform (usually sinusoidal) that is modulated (modified) with an input signal for the purpose of conveying information.
CDMA2000 (also known as C2K or IMT Multi‑Carrier (IMT‑MC)) is a family of 3G mobile technology standards for sending voice, data, and signaling data between mobile phones and cell sites.
Interim Standard 95 (IS-95) was the first ever CDMA-based digital cellular technology.
Circuit switching is a method of implementing a telecommunications network in which two network nodes establish a dedicated communications channel (circuit) through the network before the nodes may communicate.
In telecommunication and information theory, the code rate (or information rate) of a forward error correction code is the proportion of the data-stream that is useful (non-redundant).
Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies.
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.
Enhanced Data rates for GSM Evolution (EDGE) (also known as Enhanced GPRS (EGPRS), or IMT Single Carrier (IMT-SC), or Enhanced Data rates for Global Evolution) is a digital mobile phone technology that allows improved data transmission rates as a backward-compatible extension of GSM.
Evolution-Data Optimized (EV-DO, EVDO, etc.) is a telecommunications standard for the wireless transmission of data through radio signals, typically for broadband Internet access.
Globalstar is a low Earth orbit (LEO) satellite constellation for satellite phone and low-speed data communications, somewhat similar to the Iridium satellite constellation and Orbcomm satellite systems.
In cellular telecommunications, the terms handover or handoff refer to the process of transferring an ongoing call or data session from one channel connected to the core network to another channel.
High Speed Packet Access (HSPA) is an amalgamation of two mobile protocols, High Speed Downlink Packet Access (HSDPA) and High Speed Uplink Packet Access (HSUPA), that extends and improves the performance of existing 3G mobile telecommunication networks using the WCDMA protocols.
High-definition television (HDTV) is a television system providing an image resolution that is of substantially higher resolution than that of standard-definition television, either analog or digital.
High-definition video is video of higher resolution and quality than standard-definition.
Hybrid automatic repeat request (hybrid ARQ or HARQ) is a combination of high-rate forward error-correcting coding and ARQ error-control.
The International Telecommunication Union (ITU; Union Internationale des Télécommunications (UIT)), originally the International Telegraph Union (Union Télégraphique Internationale), is a specialized agency of the United Nations (UN) that is responsible for issues that concern information and communication technologies.
Internet access is the ability of individuals and organizations to connect to the Internet using computer terminals, computers, and other devices; and to access services such as email and the World Wide Web.
The Internet Protocol (IP) is the principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries.
The Internet protocol suite is the conceptual model and set of communications protocols used on the Internet and similar computer networks.
A list of CDMA2000 networks worldwide.
This is a list of notable providers of Evolution-Data Optimized (EV-DO) infrastructure equipment.
This is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels.
In telecommunication, Long-Term Evolution (LTE) is a standard for high-speed wireless communication for mobile devices and data terminals, based on the GSM/EDGE and UMTS/HSPA technologies.
A media access control address (MAC address) of a device is a unique identifier assigned to a network interface controller (NIC) for communications at the data link layer of a network segment.
A microcell is a cell in a mobile phone network served by a low power cellular base station (tower), covering a limited area such as a mall, a hotel, or a transportation hub.
In radio, multiple-input and multiple-output, or MIMO (pronounced or), is a method for multiplying the capacity of a radio link using multiple transmit and receive antennas to exploit multipath propagation.
Mobile broadband is the marketing term for wireless Internet access through a portable modem, USB wireless modem, tablet/smartphone or other mobile device.
A mobile broadband modem, also known as a connect card or data card, is a type of modem that allows a personal computer or a router to receive Internet access via a mobile broadband connection instead of using telephone or cable television lines.
A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area.
In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal that typically contains information to be transmitted.
In telecommunications and computer networks, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium.
Network performance refers to measures of service quality of a network as seen by the customer.
Orthogonal frequency-division multiple access (OFDMA) is a multi-user version of the popular orthogonal frequency-division multiplexing (OFDM) digital modulation scheme.
In telecommunications, orthogonal frequency-division multiplexing (OFDM) is a method of encoding digital data on multiple carrier frequencies.
Packet switching is a method of grouping data which is transmitted over a digital network into packets which are made of a header and a payload.
Phase-shift keying (PSK) is a digital modulation process which conveys data by changing (modulating) the phase of a constant frequency reference signal (the carrier wave).
Power control, broadly speaking, is the intelligent selection of transmitter power output in a communication system to achieve good performance within the system.
Proportional fair is a compromise-based scheduling algorithm.
Qualcomm is an American multinational semiconductor and telecommunications equipment company that designs and markets wireless telecommunications products and services.
Quality of service (QoS) is the description or measurement of the overall performance of a service, such as a telephony or computer network or a cloud computing service, particularly the performance seen by the users of the network.
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.
A satellite telephone, satellite phone, or satphone is a type of mobile phone that connects to orbiting satellites instead of terrestrial cell sites.
Signal-to-noise ratio (abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.
Space-division multiple access (SDMA) is a channel access method based on creating parallel spatial pipes next to higher capacity pipes through spatial multiplexing and/or diversity, by which it is able to offer superior performance in radio multiple access communication systems.
Statistical multiplexing is a type of communication link sharing, very similar to dynamic bandwidth allocation (DBA).
Streaming media is multimedia that is constantly received by and presented to an end-user while being delivered by a provider.
SVDO, or Simultaneous Voice and EV-'''DO''' data, is a technology that allows supported CDMA2000 EV-DO cellular phones to maintain an active 3G data session while the phone is on a call.
Telecommunication is the transmission of signs, signals, messages, words, writings, images and sounds or information of any nature by wire, radio, optical or other electromagnetic systems.
In telecommunications a link is a communication channel that connects two or more devices.
Time-division multiplexing (TDM) is a method of transmitting and receiving independent signals over a common signal path by means of synchronized switches at each end of the transmission line so that each signal appears on the line only a fraction of time in an alternating pattern.
In information theory, turbo codes (originally in French Turbocodes) are a class of high-performance forward error correction (FEC) codes developed around 1990–91 (but first published in 1993), which were the first practical codes to closely approach the channel capacity, a theoretical maximum for the code rate at which reliable communication is still possible given a specific noise level.
Voice over Internet Protocol (also voice over IP, VoIP or IP telephony) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.
WiMAX (Worldwide Interoperability for Microwave Access) is a family of wireless communication standards based on the IEEE 802.16 set of standards, which provide multiple physical layer (PHY) and Media Access Control (MAC) options.
Wireless communication, or sometimes simply wireless, is the transfer of information or power between two or more points that are not connected by an electrical conductor.
3G, short for third generation, is the third generation of wireless mobile telecommunications technology.
The 3rd Generation Partnership Project 2 (3GPP2) is a collaboration between telecommunications associations to make a globally applicable third generation (3G) mobile phone system specification within the scope of the ITU's IMT-2000 project.
4G is the fourth generation of broadband cellular network technology, succeeding 3G.
1XEv, 1x-EVDO, 1xEV-DO, 1xEVDO, 1xEvDO, EV-DO, EV-DO Rev. A, EV-DO Rev. B, EV-DV, EVDO, EVDO Rev. A, Ev-DO, EvDO, EvDo, EvDo-rev.A, Evdo, Evolution Data Only, Evolution Data Optimized, Evolution-Data Only, High data rate, IS-856, IS683C, Ultra Mobile Broadband.