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When a subscriber requests a PDP context, the SGSN will send a create PDP context request GTP-C message to the GGSN giving details of the subscriber's request. The GGSN will then respond with a create PDP context response GTP-C message which will either give details of the PDP context actually activated or will indicate a failure and give a ...
Networks and mobile devices with GPRS started to roll out around the year 2001. [2] At the time of introduction it offered for the first time [ b ] seamless mobile data transmission using packet data for an "always-on" connection (eliminating the need to "dial-up"), [ 3 ] providing improved Internet access for web , email , WAP services, and ...
System Architecture Evolution (SAE) is the core network architecture of mobile communications protocol group 3GPP's LTE wireless communication standard.. SAE is the evolution of the GPRS Core Network, but with a simplified architecture; an all-IP Network (AIPN); support for higher throughput and lower latency radio access networks (RANs); and support for, and mobility between, multiple ...
GPRS Tunnelling Protocol is the defining IP-based protocol of the GPRS core network. Primarily it is the protocol which allows end users of a GSM or WCDMA network to move from place to place while continuing to connect to the Internet as if from one location at the Gateway GPRS support node (GGSN).
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. The distinction can be arbitrary between a computer bus, often closer in space, and larger telecommunications networks.
Devices while registered to the network, may not have a data session (PDP Context in the GSM world) established. A separate IP->MSISDN table has to be maintained in Connection Oriented Push. Typically, the PPG or another part of the gateway has to receive RADIUS or other accounting packets in order to support Connection Oriented Push.
Memory-mapped I/O; Byte addressing; A strict master-slave relationship between devices on the bus; Asynchronous signaling; Memory-mapped I/O means that data cycles between any two devices, whether CPU, memory, or I/O devices, use the same protocols. On the Unibus, a range of physical addresses are dedicated for I/O devices.
The physical connection of an air interface is generally radio-based.This is usually a point to point link between an active base station and a mobile station.Technologies like Opportunity-Driven Multiple Access (ODMA) may have flexibility regarding which devices serve in which roles.