What is GSM in PDF?

What is GSM in PDF?

GSM is a circuit-switched system that divides each 200 kHz channel into eight 25 kHz time-slots. GSM makes use of narrowband Time Division Multiple Access (TDMA) technique for transmitting signals. • GSM was developed using digital technology. It has an ability to carry 64 kbps to 120 Mbps of data rates.

What are the GSM services and features?

Listed below are the features of GSM that account for its popularity and wide acceptance.

• Improved spectrum efficiency.
• International roaming.
• Low-cost mobile sets and base stations (BSs)
• High-quality speech.
• Compatibility with Integrated Services Digital Network (ISDN) and other telephone company services.

What are the types of services in GSM?

GSM – User Services

• Telephony services or teleservices.
• Data services or bearer services.
• Supplementary services.

What is GSM used for?

GSM (Global System for Mobile communication) is a digital mobile network that is widely used by mobile phone users in Europe and other parts of the world.

Which of the following is the feature of GSM?

Explanation: The GSM architecture consists of three major interconnected subsystems that interact between themselves and with the users through certain network interfaces. The subsystems are BSS (Base Station Subsystem), NSS (Network and Switching Subsystem) and OSS (Operation Support Subsystem).

What are GSM services in mobile computing?

GSM Services follows ISDN guidelines and are classified as either Teleservices or Date Services. Teleservices includes standards mobile telephony and mobile originated or base originated traffic. Data Services includes computer to computer communication and packet switched traffic.

Which of the following services are included in supplementary services in GSM?

Supplementary services are provided on top of teleservices or bearer services, and include features such as caller identification, call forwarding, call waiting, multi-party conversations, and barring of outgoing (international) calls, among others.

What are supplementary services?

Supplementary Services means services which are provided specific to a subscriber’s directory number and controlled either by the subscriber or by the service provider such as automatic alarm call service, call waiting, call diversion on busy or no reply, and any other such service; Sample 1.

What is the architecture of GSM?

The GSM architecture consists of three major interconnected subsystems that interact with themselves and with users through certain network interface. The subsystems are Base Station Subsystem (BSS), Network Switching Subsystem (NSS) and Operational Support Subsystem (OSS).

What are GSM services and features?

This post includes Wireless Communication Notes on GSM Services and Features including introduction of GSM Radio Interface. User may be divided into three major categories. (1) Telephone Services: These services includes emergency calling and facsimile. GSM also support Videotext and Teletex, though they are not integral part of GSM standard.

What are the different types of Teleservice supported by GSM?

These services are further transited in the following ways − The most basic Teleservice supported by GSM is telephony. This includes full-rate speech at 13 kbps and emergency calls, where the nearest emergency-service provider is notified by dialing three digits.

What is the use of global GSM?

GSM standard still evolving and improved with new features and services. Global system for mobile communication is used for transmitting mobile voice and data services. It’s widely used in Europe and other countries of world.

What’s new in GSM technology?

New developments that will push up data transfer rates for GSM users are HSCSD (high speed circuit switched data) and GPRS (general packet radio service) are now available. Supplementary services are additional services that are provided in addition to teleservices and bearer services.