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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.
what is end to end and host to host?
Ans) The Transport Layer : Segments upper-layer applications. Establishes an end-to-end connection. Sends segments from one end host to another. Optionally, make sures
In point-to-point message passing, single process sends/receives message to/from another process. There are four communication modes for sending a message: i) Buffered mode
What is the difference between trigger and rule? The triggers are known as implicitly by database generated events, whereas stored procedures are known as explicitly by client
The auxiliary port is used to link a modem to for dial backups.
Q. What are the basic key functions of data link layer? Ans: Data link layer transfers data in a structured and reliable manner so that the service given by the physical layer
Can you describe RTP in Detail?
List of protocols in Network topology,
I need to discuss with some one who expert in D2D communications in 5G networks.
Question : (a) How do you relate the subsequent terms in the context of an information system: data, information and decision-making. (b) Why do you think organisations nowa
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