GGSN TUTORIAL PDF

The network connects the devices only through GGSN and the mobility of the mobile station is hidden from the rest of the packet data network and from other devices which are connected to network. General Packet Radio Service gprs Tutorial. General Packet Radio Service gprs. All Practice Tests. IT Skills. Management Skills.

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GPRS architecture works on the same procedure like GSM network, but, has additional entities that allow packet data transmission. This data network overlaps a second-generation GSM network providing packet data transport at the rates from 9. Along with the packet data transport the GSM network accommodates multiple users to share the same air interface resources concurrently. GPRS attempts to reuse the existing GSM network elements as much as possible, but to effectively build a packet-based mobile cellular network, some new network elements, interfaces, and protocols for handling packet traffic are required.

A variety of MS can exist, including a high-speed version of current phones to support high-speed data access, a new PDA device with an embedded GSM phone, and PC cards for laptop computers. These mobile stations are backward compatible for making voice calls using GSM. The BTS can also require a software upgrade but typically does not require hardware enhancements.

The GGSN also collects charging information connected to the use of the external data networks and can act as a packet filter for incoming traffic. The Serving GPRS Support Node is responsible for authentication of GPRS mobiles, registration of mobiles in the network, mobility management, and collecting information on charging for the use of the air interface.

Because routing areas are smaller than location areas, less radio resources are used While broadcasting a page message. Previous Page. Next Page. Previous Page Print Page. These new terminals will be backward compatible with GSM for voice calls. All the databases involved in the network will require software upgrades to handle the new call models and functions introduced by GPRS.

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GPRS PDP Context - General Packet Radio Service (GPRS)

GPRS architecture works on the same procedure like GSM network, but, has additional entities that allow packet data transmission. This data network overlaps a second-generation GSM network providing packet data transport at the rates from 9. Along with the packet data transport the GSM network accommodates multiple users to share the same air interface resources concurrently. GPRS attempts to reuse the existing GSM network elements as much as possible, but to effectively build a packet-based mobile cellular network, some new network elements, interfaces, and protocols for handling packet traffic are required. A variety of MS can exist, including a high-speed version of current phones to support high-speed data access, a new PDA device with an embedded GSM phone, and PC cards for laptop computers. These mobile stations are backward compatible for making voice calls using GSM. The BTS can also require a software upgrade but typically does not require hardware enhancements.

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GPRS - PDP Context

A packet data network architecture is overlayed or added to the existing GSM architecture to provide the data capability. The existing GSM network architecture is used to carry the circuit switched voice calls as well as the network access, etc. With GPRS providing additional connectivity in terms of packet data, there are naturally a number of upgrades needed to the network architecture required. A number of new elements are needed for the network, but these can operate alongside the existing elements meaning that the GPRS capability is an upgrade to the network and not a completely new network structure.

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GPRS Network Architecture

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