TAILIEUCHUNG - HUAWEI GSM DBS3900 Hardware Structure

DBS3900 is a distributed BTS solution developed by Huawei Technologies Co.,Ltd. Its baseband part and radio part can be installed independently so that it can be used to various environments with wide coverage and low cost. Know the functions and features of DBS3900 Master the Hardware structure and function of DBS3900 Familiar with the Typical configuration and cable connection of DBS3900 Master the Network topologies of DBS3900 | HUAWEI GSM DBS3900 Hardware Structure DBS3900 is a distributed BTS solution developed by Huawei Technologies Co.,Ltd. Its baseband part and radio part can be installed independently so that it can be used to various environments with wide coverage and low cost. Preface Page Know the functions and features of DBS3900 Master the Hardware structure and function of DBS3900 Familiar with the Typical configuration and cable connection of DBS3900 Master the Network topologies of DBS3900 Purpose Page DBS3900 Electronic Documentation BBU3900 Quick Installation Guide RRU3004 Quick Installation Guide DBS3900 Deployment Guide Reference Page Chapter 1 DBS3900 System Description Chapter 2 DBS3900 Hardware Structure Chapter 3 DBS3900 Typical Configuration Chapter 4 DBS3900 Network Topologies Contents Page Location PSTN ISDN PSPDN Um Interface DBS3900 DBS3900 DBS3900 BTS OMC HLR/AUC/EIR BSC MSC/VLR SMC/VM A Interface MAP MAP TUP,ISUP MS MS MS MS: Mobile Station BTS: Base Transceiver Station BSC: Base Station Controller HLR: Home Location Register AUC: Authentication Center EIR: Equipment Identity Register MSC: Mobile Switching Center VLR: Visitor Location Register SMC: Short Message Center VM: Voice Mailbox OMC: Operation and Maintenance Center DBS：Distributed Base Station Page Functions and Features Wide coverage, low cost Suitable for various environments, flexible installation Support PGSM900M、EGSM900 、DCS1800M One RRU module can support 2 TRXs Support transmit diversity Support PBT Support four-way receive diversity over different RRU BBU support star, tree, chain and ring topology Calculate TA exactly Support GPRS and EGPRS Page Functions and Features Support Omni-directional coverage and directional coverage One BBU can support 36TRX at most and 12 cells at most Support A5/3, A5/2, A5/1 encryption and decryption Support dynamic radio frequency management Cell broadcasting service and point-to-point short message Support mixed combining with BTS3012 .

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• System Description
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• distributed BTS
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