Mobile Tech Glossary E to K
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- Last Updated on Saturday, 07 July 2012 18:05
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-E-GPRS - Enhanced GPRS, another term for EDGE. ...
- EDGE - EDGE is a data system used on top of GSM networks that provides faster data speeds than GPRS, the technology it makes obsolete. It has a theoretical maximum downlink data rate of nearly 475Kbps, which...
- EDGE Evolution - EDGE Evolution is an updated version of EDGE that will allow for broadband-like data rates on existing GSM networks. The spec promises downlink speeds two to three times faster than previous EDGE net...
- EFR - Enhanced Full Rate ...
- EMS - EMS is an extension to the SMS system that was used to add simple graphics and sounds to what would otherwise be purely text based messages. It is a step in the direction of MMS, but is not universal...
- Enhanced Data Rate - EDR is a part of the Bluetooth specification that allows for faster file transfers. It is an optional part of the Bluetooth spec, and as such is not implemented by all devices. Connections between t...
- EPOC - The mobile phone operating system developed by Symbian. Derived from epoch-the beginning of an era-EPOC is a 32-bit operating environment which comprises a suite of applications, customisable user int...
- ESN - An ESN is a numeric identifier that uniquely identifies a CDMA phone in the United States. The ESN can typically be found written underneath a phone's battery and is generally written in both decimal...
- EV-DO - Commonly known simply as EV-DO, CDMA 1xEV-DO is a 3G technology add-on for CDMA networks that allows for theoretical download speeds as fast as 2.4576Mbps, though actual rates tend to be far slower. ...
- EV-DO Rev A - EV-DO Rev A is a 3G CDMA technology that is an upgrade of traditional EV-DO. Rev A is capable of slightly faster downlink speeds than is EV-DO Rev 0, at 3.1Mbps, as well as significantly faster uplin...
- EV-DV - EV-DV, written in full form as 1xEV-DV, is a 3G voice and data technology for CDMA networks. Providing both high speed uplink and downlink connections, it is none the less unused and has been dropped...
- Expansion slot - The opening in a handheld where standard cards can be inserted to add storage memory, network cards and wired or wireless modems, GPS units, or cameras....
- FCC - The FCC is the agency within the United States government that regulates wired and wireless communications inside the country. Any device that transmits on a regulated frequency band in the US requir...
- fixed focus - Fixed focus refers to a type of lens that can not adjust its focal point, the distance where images appear sharp and in focus. Fixed focus lenses rely on their typically large depth-of-field in order...
- focal length - The focal length of a lens determines how much magnification it provides. A lens with a shorter focal length will be able to "see" a wider view of a subject than can a lens with a longer focal length...
- focal point - The focal point of a camera lens is the distance where subjects in front of the lens appear to be in sharp focus.br/br/ br/br/ ...
- FOMA - FOMA is the 3G network developed by NTT DoCoMo, the world's first. It is based on WCDMA technology, but is not compatible with the European UMTS standard. NTT DoCoMo has stated that they are working...
- Frequency - Rate of signal oscillation in Hertz (wave form repetitions per second - one Hz is one cycle per second). The frequencies band assigned to GSM is 900-1800 MHz. For 3G the bands assigned are between 188...
- frequency band - Frequency bands are groupings of radio frequencies that are used by mobile networks to communicate with mobile phones. The frequency bands that a phone supports determine to a large degree where and ...
- Full Duplex - Refers to a communication system or equipment capable of simultaneous transmission in two directions. ...
- Gateway - Usually a computer that acts as a protocol translator or which controls communications across logical boundaries within a network or between networks. ...
- gigahertz - One billion hertz, or cycles per second. Often used to measure radio frequencies. br/br/ Also known as: "GHz" br/br/ ...
- GPRS - GPRS is a wireless data standard used on GSM networks. It offers theoretical data rates as high as 120kbps on the downlink side, but real world speeds are typically significantly slower.br/br/ ...
- GPS - The Global Positioning System is a series of satellites owned by the US government that broadcasts signals that GPS receivers on the surface of the planet can use to determine position through triangu...
- GSM - GSM is a TDMA based wireless network technology developed in Europe that is used throughout most of the world. GSM phones make use of a SIM card to identify the user's account. The use of the SIM ca...
- GSMA - The GSM Association is a trade group that represents network operators that use GSM technology for their networks. The GSMA also counts a number of manufacturers and suppliers that provide the GSM te...
- Handheld - A portable device for storing and managing personal information. The available features depend on the type of handheld you choose. ...
- haptic feedback - Haptic feedback, often referred to as simply "haptics", is the use of the sense of touch in a user interface design to provide information to a end user. When referring to mobile phones and similar d...
- HID - HID is a Bluetooth profile that allows Human Interface Devices, such as mice and keyboards, to be used with another Bluetooth device.br/br/ Also known as: "Human Interface Device" br/br/ ...
- HSCSD - HSCSD stands for High-Speed Circuit-Switched Data. It was a system used for data calls on GSM networks before packet based systems such as GPRS and EDGE became prevalent. HSCSD is variant of CSD tha...
- HSDPA - HSDPA stands for high-speed downlink packet access. It is an upgraded form of UMTS in that it allows for faster download speeds. Current implementations of HSDPA can achieve speeds as fast as 3.6Mbp...
- HSPSD - High Speed Packet Switched DataIub The interface between the Node B and the RNC in a UMTS network...
- HSUPA - HSUPA stands for high-speed uplink packet access, and is an upgrade to UMTS that allows for uplink connections as fast as 5.76Mbps. HSUPA is similar to EV-DO Rev A in that it can be added to existing...
- HTC - High Tech Computer Corporation, known almost universally by the acronym HTC, is a Taiwan based designer and manufacturer of smartphone devices. The company generally creates a base design, gives it a...
- i-mate - i-mate is a Dubai based company that was founded originally in Scotland. The company produces Windows Mobile based smartphones for the world market. Originally the company sold only devices designed...
- i-mode - NTT DoCoMo's i-mode is a wireless internet service that allows for the creation of websites specifically designed for mobile devices. i-mode services are offered outside of Japan by a few network car...
- iDEN - iDEN is a TDMA based digital mobile network system developed by Motorola and used most notably by Nextel in the United States. Its main draw, from the consumer's viewpoint, is its low-latency Push-To...
- IEEE - The Institute of Electrical and Electronics Engineers is an organization of engineering professionals. It is probably best known for the work of its IEEE Standards Association, a standards body that ...
- IMAP - The Internet Message Access Protocol is a network protocol that allows a compatible mail client to access email messages and message folders that are stored on a central mail server. Unlike POP3, whi...
- IMEI - An IMEI is a serial number that uniquely identifies a GSM or UMTS mobile phone. Typically 15 digits long, the IMEI code is broken into sections that provide information about a phone, such as its man...
- Infrared beaming - The process of using the IrDA standard to transmit data wirelessly from one device to another. Beaming is a way to exchange files and applications between handhelds....
- IP - IP is the the protocol used in most publicly accessible networks today. It was developed for use on the internet, which forms the basis for its name: Internet Protocol. Connections that mobile devic...
- IP Address - The unique digital identifier of a device communicating over the internet or other data network using similar technology. Today's addresses consist of a 32-bit string of 1's and 0's and are analogous ...
- ISP (Internet Service Provider) - ISPs provide internet access to people or corporations, serving as an entry point to the worldwide network. ISPs normally provide several means of access to their customers, including dial-up modem, D...
- ITU - A standards body that defines international radio and telecommunications standards, such as 3G and other mobile technologies.br/br/ Also known as: "International Telecommunication Union" br/...
- Java - Java is an object oriented programming language developed by Sun Microsystems that allows compiled applications to be run on many different and otherwise incompatible platforms through the use of a Ja...
- KB or Kb (Kilobyte) - 1024 bytes, roughly equal to 8 kilobits. ...
- Kbps (Kilobits per second) - A measure of bandwidth meaning 1000 bits per second. Not to be confused with kBps (upper case B), which means 1000 bytes per second.br/br/ br/br/ ...
- KHz - A unit of measurement for frequency equal to 1000 Hertz....
- Kyocera Wireless - Kyocera is a large Japanese manufacturing company that manufactures ceramics and imaging related products, including, until recently, film and digital cameras. Kyocera Wireless was formed when the co...
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