Mobile Computing 7 min read
MOBILITY MANAGEMENT
Mobility management is one of the major functions of a GSM or a UMTS network that allows mobile phones to…
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Mobile Computing 2 min read
ROUTING
A satellite system together with gateways and fixed terrestrial networks as shown in Figure 5.1 has to route data transmissions…
Mobile Computing 3 min read
FREQUENCY ALLOCATION
Radio transmission can take place using many different frequency bands. Each frequency band exhibits certain advantages and disadvantages. Figure gives…
Mobile Computing 5 min read
CONNECTION ESTABLISHMENT
The number dialed to reach a mobile subscriber (MSISDN) contains no information at all about the current location of the…
Mobile Computing 4 min read
GSM – Protocol Stack
GSM architecture is a layered model that is designed to allow communications between two different systems. The lower layers assure…
Internet Programming 2 min read
GSM – Architecture
A GSM network comprises of many functional units. These functions and interfaces are explained in this chapter. The GSM network…
General Concepts 31 min read
Monitoring the Coastal Environment Using Remote Sensing and GIS Techniques
MAIN ISSUES OF COASTAL ENVIRONMENTS Until now, there has been no strict definition of coastal zones. Generally, coastal zones are…
Mobile Computing 3 min read
What is GSM?
If you are in Europe or Asia and using a mobile phone, then most probably you are using GSM technology…
Mobile Computing 1 min read
Spread Spectrum Multiple Access
Spread spectrum multiple access (SSMA) uses signals which have a transmission bandwidth whose magnitude is greater than the minimum required…
Mobile Computing 1 min read
Frequency Division Multiple Access (FDMA)
FDMA is the basic technology for advanced mobile phone services. The features of FDMA are as follows. FDMA allots a…
Mobile Computing 1 min read
Time Division Multiple Access (TDMA)
In the cases where continuous transmission is not required, there TDMA is used instead of FDMA. The features of TDMA…
General Concepts 27 min read
Management of Marine Protected Zones – Case Study of Bahrain, Arabian Gulf
Human-induced pressures including unsustainable fishery activities, coastal development, and pollution are major challenges to the conservation of biodiversity and natural…
