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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.
Question: a) List three characteristics and two potential problems of a peer-to-peer environment. b) List three characteristics and two potential problems of a client/
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
Qustion: Convert the binary number 10111100 to hexadecimal.
Q. Explain about Traditional Modems? - Subsequent to modulation by the modem an analog signal reaches the telephone company switching station where it sampled and digitized to
Fat tree It is a modified version of the tree network. In this group the bandwidth of edge (or the connecting wire among nodes) increases towards the root. It is a more practic
persistent
What is OSPF? It is an Internet routing protocol that scales well, can route traffic with multiple paths, and uses knowledge of an Internet's topology to make precise routing de
Question 1 requires you to develop firewall rules based on a fictitious organisation. Scenario: You work for a security-conscious company, xC-Cure, who develop encryption t
what is the use of route print?
Protocol Layering To design structural network protocols the designers organize protocol and use the network hard ware and software to implement the protocol in layers. E
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