Mobile Computing
MOBILE IP
While systems like GSM have been designed with mobility in mind, the internet started at a time when…
July 20, 2021 · Boomi NathanMobile Computing
Mobile Computing
UMTS
The Universal Mobile Telecommunications System (UMTS) is a third generation mobile cellular system for networks based on the…
July 20, 2021 · Boomi NathanMobile Computing
GPRS
INTRODUCTION: General packet radio service (GPRS) is a packet oriented mobile data service available to users of the 2G cellular…
July 20, 2021 · Boomi NathanMobile Computing
SECURITY
GSM offers several security services using confidential information stored in the AuC and in the individual SIM (which…
July 20, 2021 · Boomi NathanMobile Computing
MOBILITY MANAGEMENT
Mobility management is one of the major functions of a GSM or a UMTS network that allows mobile…
July 20, 2021 · Boomi NathanMobile Computing
ROUTING
A satellite system together with gateways and fixed terrestrial networks as shown in Figure 5.1 has to route…
July 20, 2021 · Boomi NathanMobile Computing
FREQUENCY ALLOCATION
Radio transmission can take place using many different frequency bands. Each frequency band exhibits certain advantages and disadvantages.…
July 20, 2021 · Boomi NathanMobile Computing
CONNECTION ESTABLISHMENT
The number dialed to reach a mobile subscriber (MSISDN) contains no information at all about the current location…
July 20, 2021 · Boomi NathanMobile Computing
GSM – Protocol Stack
GSM architecture is a layered model that is designed to allow communications between two different systems. The lower…
July 20, 2021 · Boomi NathanMobile Computing
What is GSM?
If you are in Europe or Asia and using a mobile phone, then most probably you are using…
July 20, 2021 · Boomi Nathan