07-02-2009, 11:28 PM
At Reliance Communications, Navi Mumbai
INTRODUCTION:
MINS is an IP based solution that shall be designed to cater to a subscriber base of around 1000 subscribers. It shall support all the features and functionalities provided by the legacy switching systems.
MINS was required as the rate of the ?Qualcomm chipset ?for the BSC (base station controller) was rising day by day. Qualcomm company is extracting 5$ per subscriber from any Indian company for using their chipset that why in MINS, BSC is constructed not using any hardware but by binding the system by some algorithms. It means that in MINS, software is prepared which can do the work of the hardware chip for BSC instead of using that Qualcomm chipset.
The basic aim of designing of the MINS project is the removal of the Qualcomm chipset for BSC.
MINS is not the whole network; it is the part of a network which contains following networks identities. They are:-
1. BTS CONTROLLER-Base transceiver system controller
2. BSC-Base station controller
3. MSC-Mobile switching centre
4. HLR-Home location register
5. VLR-Visitor location register
MINS also contains some essential parts other than which are specified above. They may be either the parts of the four of them specified above or other ones. They should be considered in following lines as they come into the act.
Some assumptions are made preparing the MINS project. They are:-
? SSD (Shared secret data) is shared with the VLR, in case of Authentication.
MINS system shall work with the Soft switch MGC (Media Gateway Controller) for all the calls originating from/terminating to the PSTN or GSM networks.
SCOPE OF TRAINING
The basic scope or we can say the aim of the training was putting our theories to practice. What we have learned in two years of the B.E. degree, were put to practice. Any which we just learn as a theory subject we will forget that thing very quickly, but if we have put that thing to practice we will not forget that thing in our whole life. It is not possible for a single college to provide the practical training for all the 350 students because it is too costly to provide such machines or systems that a multinational company can provide to the trainees. I have done my summer practical training at Reliance Communication at Dhirubhai Ambani Knowledge City(DAKC), Navi Mumbai. It was a great experience to work with such great and intelligent colleagues. The whole DAKC so well designed and architect any beauty lover can?t move away from that. I think for me it was an educational tour. My training was based on MINS (Mobile integrated network system). It was a newly prepared project for wireless communication by the Reliance infocomm. MINS was a under launch product whose testing was on the way. According to the project manager of MINS it will take 2-3 yrs to launch this product. So it was not possible for us to the get the whole knowledge about the MINS so we divided our training to following phases:
? Theoretical knowledge about the networks and layers.
? Theoretical knowledge about the MINS from the document SRS_MINS which was provided by the company to us on our personal computer at Reliance Communications.
? Testing of the project ?It includes the checking of the message flow between the network subsystem when a call is initiated or released.
? Preparing of the training report.
I learned a one more thing that preparing a project is just not preparing it but it includes it?s testing also which is tedious work to do.
It was very difficult for me to stay 45 days away from my family and parents. For me it was also one of the aims to recover from family fever.
It is compulsory for every student to complete training of 90 days till we complete our B.E. degree. It is done in two phases ?
LEARNING OBJECTIVE
It was a long term training in which were thought theory about the MINS project and we worked on the testing of MINS project. In testing we worked on the UNIX operating system. MINS project team had prepared the testing environment on the operating system UNIX. They have chosen the UNIX environment as on UNIX multithreading is possible. Multithreading is process in which multiple system can work at a time.
What do we mean with a thread?
Technically, a thread is defined as an independent stream of instructions that can be scheduled to run as such by the operating system. But what does this mean?
In the UNIX environment a thread:
? Exists within a process and uses the process resources
? Has its own independent flow of control as long as its parent process exists and the OS supports it
? May share the process resources with other threads that act equally independently (and dependently)
? Dies if the parent process dies ? or something similar
Download the report
