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Question:
(a) Show the main elements of the GSM system architecture and describe their functions.
(b) Looking at the HLR/VLR database approach used in GSM-how does this architecture limit the scalability in terms of users, especially moving users?
(c) Protocol stacks are divided into planes. What is the purpose of the division C/U/M planes.
(d) Why is there a difference in the performance of a UTRAN depending of a vendor?
(e) A system has an overall throughput of 2 Mbps. OVSF codes are used. Two subscribers are using the spreading factor SF=4.
(i) How many subscribers with SF=16 can transmit data simultaneously?
(ii) What is the transmission rate for the subscribers when a constant chip rate is assumed?
(f) Show the basic handover types in UMTS.
Token Passing Station is able to send only when it receives a special frame called a token Token circulates around the ring If station wishes to sen
network design for company
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If the host has the subnet ID why do we require a subnet mask?
The project idea is : Analyze Snort or PCAP data from a public WIFI hotspot (describe traffice seen and what it is, protocols, ports, etc). This is what is expected. Initially r
Questions: 1. A 5V Zener diode has a maximum power dissipation of 2W. What is the maximum current that can be safely passed through the device? 2. List three properties of a
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define the concept of routing protocol?
What are major types of networks and explain? Server-based network: Give centralized control of network resources and depend on server computers to give security and network
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