Mobile Station
Encyclopedia
The mobile station comprises all user equipment and software
needed for communication
with a mobile network
.
The mobile station refers to global system connected to the mobile network, i.e. mobile phone
or mobile computer
connected using a mobile broadband
adapter. This is the terminology of 2G
systems like GSM. In the 3G
systems, mobile station (MS) is now referred as user equipment (UE).
In GSM, the mobile station consists of four main components:
In a mobile phone
, the MT, TA and TE are enclosed in the same case. However, the MT and TE functions are often performed by distinct processors. The application processor serves as a TE, while the baseband processor
serves as a MT, communication between both takes place over a bus using AT commands, which serves as a TA.
Computer software
Computer software, or just software, is a collection of computer programs and related data that provide the instructions for telling a computer what to do and how to do it....
needed for communication
Communication
Communication is the activity of conveying meaningful information. Communication requires a sender, a message, and an intended recipient, although the receiver need not be present or aware of the sender's intent to communicate at the time of communication; thus communication can occur across vast...
with a mobile network
Cellular network
A cellular network is a radio network distributed over land areas called cells, each served by at least one fixed-location transceiver known as a cell site or base station. When joined together these cells provide radio coverage over a wide geographic area...
.
The mobile station refers to global system connected to the mobile network, i.e. mobile phone
Mobile phone
A mobile phone is a device which can make and receive telephone calls over a radio link whilst moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile network operator...
or mobile computer
Computer
A computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem...
connected using a mobile broadband
Mobile Broadband
Mobile broadband is the marketing term for wireless Internet access through a portable modem, mobile phone or other mobile device.-Description:...
adapter. This is the terminology of 2G
2G
2G is short for second-generation wireless telephone technology. Second generation 2G cellular telecom networks were commercially launched on the GSM standard in Finland by Radiolinja in 1991...
systems like GSM. In the 3G
3G
3G or 3rd generation mobile telecommunications is a generation of standards for mobile phones and mobile telecommunication services fulfilling the International Mobile Telecommunications-2000 specifications by the International Telecommunication Union...
systems, mobile station (MS) is now referred as user equipment (UE).
In GSM, the mobile station consists of four main components:
- Mobile Termination (MT) - offers common functions of a such as: radio TransmissionTransmission (telecommunications)Transmission, in telecommunications, is the process of sending, propagating and receiving an analogue or digital information signal over a physical point-to-point or point-to-multipoint transmission medium, either wired, optical fiber or wireless...
and handover, speech encoding and decoding, Error detection and correctionError detection and correctionIn information theory and coding theory with applications in computer science and telecommunication, error detection and correction or error control are techniques that enable reliable delivery of digital data over unreliable communication channels...
, signalling and access to the SIM. The IMEI code is attached to the MT. It is equivalent to the network terminationNetwork terminationA network termination is a device that connects the customer's data or telephone equipment to a carrier's line that comes into a building or an office...
of an ISDNIntegrated Services Digital NetworkIntegrated Services Digital Network is a set of communications standards for simultaneous digital transmission of voice, video, data, and other network services over the traditional circuits of the public switched telephone network...
access. - Terminal EquipmentTerminal equipmentIn telecommunication, the term terminal equipment has the following meanings:* Communications equipment at either end of a communications link, used to permit the stations involved to accomplish the mission for which the link was established....
(TE) - is any device connected to the MS offering services to the user. It does not contain any functions specific to GSM. - Terminal adapterTerminal adapter- ISDN :In ISDN terminology, a terminal adapter or TA is a device that connects a terminal to the ISDN network.The TA therefore fulfills a similar function to the ones a modem has on the POTS network, and is therefore sometimes called an ISDN modem...
(TA) - Provides access to the MT as if it was an ISDN network terminationNetwork terminationA network termination is a device that connects the customer's data or telephone equipment to a carrier's line that comes into a building or an office...
with extended capabilities. Communication between the TE and MT over the TA takes place using AT commandsHayes command setThe Hayes command set is a specific command-language originally developed for the Hayes Smartmodem 300 baud modem in 1981. The command set consists of a series of short text strings which combine together to produce complete commands for operations such as dialing, hanging up, and changing the...
. - Subscriber Identity ModuleSubscriber Identity ModuleA subscriber identity module or subscriber identification module is an integrated circuit that securely stores the International Mobile Subscriber Identity and the related key used to identify and authenticate subscriber on mobile telephony devices .A SIM is held on a removable SIM card, which...
(SIM) - is a removable subscriber identification token storing the IMSI a unique key shared with the mobile network operator and other data.
In a mobile phone
Mobile phone
A mobile phone is a device which can make and receive telephone calls over a radio link whilst moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile network operator...
, the MT, TA and TE are enclosed in the same case. However, the MT and TE functions are often performed by distinct processors. The application processor serves as a TE, while the baseband processor
Baseband Processor
A baseband processor is a device in a smartphone that manages all the radio functions . This may not include wi-fi and/or bluetooth...
serves as a MT, communication between both takes place over a bus using AT commands, which serves as a TA.