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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 CRC The CRC is computed while transmission and appended to output stream as soon as last bit goes out onto wire. If the CRC were in header, it will be necessary to make
The Five steps to data encapsulation (IN ORDER): 1) User information is changed into data. 2) Data is changed into segments. 3) Segments are changed into datagram and pack
Question : (a) Describe, with the aid of a diagram, a hybrid topology of a network of your choice. (b) Briefly explain the similarity and differences between a switch and
Which layer is responsible for coordinating communication between systems Ans) The Session layer performs the following: Responsible for establishing and maintaining connections
The following information was obtained from a host computer: 00:05:17.176507 74.125.228.54.1270 > 64.254.128.66.25: S 2688560409:2688560409(0) win 16384 (DF) (ttl 46, id 2096
This is a report, I am working on another one. This report is on finding a better solution dealing with customer, wifi, management, etc.
ICMP is used to send error and control messages. Ping uses ICMP to carry the echo-request and echo-reply.
Gateway A gateway is an internetwork device which joins different network protocols together. It woods on all seven layers of OSI model. Gateways are also known as pro
You require connecting two computers for file sharing. Is it possible to do this without using a hub or router? Yes, you can connect two computers together using only one cable
I WOULD LIKE TO MAKE MY SELF CLEAR WHETHER THIS TYPE OF PROGRAMS ARE BASED ON COMPLETE SEVER RELATED AND MAINTENANCE OF AN ENTIRE SMALL ENTERPRISE NETWORK.
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