College Project - CERTIFICATE This is to certify that Ms....

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CERTIFICATE This is to certify that Ms . Faeza Aqueel of Rai Foundation Engineering College (Faridabad) has successfully completed her final semester industrial training at Tata Teleservices, New Delhi for a period of ten weeks. She undertook the study of CDMA operation and Radio Access Network deployed at Tata Teleservices. She get involved in the system operation and gained knowledge about the control and co-ordination of Radio Access Network in the BSS –OMC (Network) department .She has also made a project on CNAS (Centralized Network Allocation System). She has submitted an excellent report and we’ve found it extremely useful. The company may implement her findings and recommendations in future. During her tenure in the company, we found her hardworking and committed to the job. We wish him all the best for his future endeavors. For Tata Teleservices Ltd. Gaurav Bansal Deputy Manager- BSS-OMC (Network) Deptt.
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ACKNOWLEDGEMENT An understanding such as this one is never the work of a single person and this study is not an exception. I at this very outset thank all those who directly or indirectly helped me in the completion of my training and encouraged me in moments of my despair. It is a pleasure to acknowledge the assistance received from …………………. during the training, which has I express my thanks to ……………………. for providing necessary help whenever required and his continuous support to make the task complete with his blessings. I am highly indebted to them for their generous help and guidance throughout the training. Their opinion and hospitality will be everlasting in my life. And last but certainly not the least; I acknowledge my deep gratitude to all the persons concerned. Faeza Aqueel
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Table Of Contents Introduction Profile of Tata Teleservices Ltd. Company’s Profile Life History Of Late Jamsetji Tata Life History Of Mr. Ratan Tata Tata Companies Board of Directors Tata in Telecomm CDMA Technology Overview CDMA 2000 Evolution CDMA Family of Standards Basics of Spreading codes o Walsh Codes o PN Codes IS 2000 1X Forward channel IS 2000 1X Reverse channel Radio configuration RC Power Control o Open Loop o Closed Loop using Inner Loop o Closed Loop using Outer Loop Call Processing Overview o Voice Call o Packet Data Call Walsh Code Management CDMA Radio Access Network CDMA 1X Standard Defining Network Components Elements of Reference Architecture Interfaces Brief Overview of Network Entity Functions o DNP Mobility Manager o Transcoder o Access Node o Aggregation Point (MGX) o Multi Layer Switch o Circuit Interworking Unit o Packet Data Node
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o Vocoder Processing Unit Architecture Changes In R17 CNEOMI Based OAMP o Overview o Variable Format CDL o Fixed Format CDL
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College Project - CERTIFICATE This is to certify that Ms....

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