I also thank Shri Shyam Narain, Dr S K Samanta, Shri Kishore Bhagtani, and other officers of BSNL CO for their valuable contribution. This Handbook is only the beginning and suggestions for improvement may be sent by email to I thank Shri G S Thakur AddlGM PB Circle and other officers of North Zone Circles for their hard work and sincere efforts to bring out this much desired Handbook. has been provided for field personal who will immediately be able to start drive testing and RF optimization activities.

Basic guidelines also on conducting Drive Test, Optimization, etc. This Handbook will help to solve problems related to: handover issues call drop issues SDCCH/TCH congestion SDCCH/TCH blocking VSWR issues call setup success rate etc. I am sure that this Handbook will help and encourage operation and maintenance personals for constant monitoring and taking immediate remedial actions through OMC-R & OMC-S for improving QoS parameters. Availability of this comprehensive Handbook with the field engineers and technicians for carrying out day to day operation and maintenance activities is of paramount importance. I am very glad to see that the Handbook on CMTS Operation and Maintenance for ZTE technology has been made first time in BSNL. I am looking forward for release of such O&M Handbooks for other technologies. Mittal and his team for this great initiative and efforts. I feel that such a Ready compilation of day to day O & M activities, at one place will go a long way in helping our field units to learn from good practices being followed in other circles. In this series, this handbook on ZTE Technology will be extremely beneficial for use by our Technicians and Engineers in all 26 Telecom Circles and Telecom Districts. I am happy to note that Consumer Mobility vertical has taken an initiative to provide a comprehensive, OEM technology wise, ‘Operations & Maintenance Handbook’ for routine operation and maintenance. O&M Handbook on ZTE Radio Technologies O&M Handbook on ZTE Radio TechnologiesĪnupamShrivastava Chairman and Managing Director BSNL Board O & M Handbook on 2G-3G Radio Networks ZTE TECHNOLOGY - 2016

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