www.huawei.com Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. GSM BTS312 Ha rdwa re Structure Page2 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. Objective s Upon completion of this course, you will be able to: Know the functions and features of BTS Master the BTS hardware structure Master the signal processing of BTS Page3 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. Re fe re nces BTS312 User Manual BTS3.0 User Manual Page4 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. Contents Overvie w System Components Signal Processing Antenna and Feeder System Page5 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. Location MS: Mobile Station BTS: Base Transceiver Station OMC: Operation and Maintenance Center HLR: Home Location Register EIR: Equipment Identity Register MSC: Mobile Switching Center VLR: Visitor Location Register SMC: Short Message Center VM: Voice Mailbox BSC: Base Station Controller AUC: Authentication Center PSTN ISDN PSPDN Um Interface BTS BTS BTS BTS OMC HLR/AUC/EIR BSC MSC/VLR SMC/VM A Interface MAP M A P TUP,ISUP MS MS MS Page6 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. Fea tures a nd Functions High integration and low power consumption 15 radio carriers at the Abis sharing an E1 for transmission (15:1) Support various transmission modes and complex topologies, e.g. SDH, E1, microwave, satellite etc. 1-minute fast startup Page7 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. Fea tures a nd Functions Support GSM900,DCS1800,EGSM and RGSM Support GSM PHASE 1 、 PHASE 2 and PHASE 2+ Support GPRS and EDGE Support baseband hopping and RF hopping Support FR, HR, EFR and AMR Support A5/1 and A5/2 encryption/decryption Page8 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. Hardwa re Structure DATA_BUS/CONTROL_BUS/TIMING_BUS External control External alarm E1 TMU Opt. fiber xDSL TEU PMU FH_BUS CDU PSU TRX TRX TRX Signal Processing Unit Common Unit CDU CDU antenna antenna antenna Antenna Feeder Unit TES Page9 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. Ca binet and Boards CDU: Combiner & Divider Unit TRX: Transceiver PMU: Power Monitoring Unit TMU: Timing/Transmission & Management Unit PSU: Power Supply Unit TDU: Time Distribution Unit TES: Transmission Extension Power Supply Unit TEU: Transmission Extension Unit FAN BOX SWITCH BOX FAN BOX AIR BOX AIR BOX P S U P S U P S U P S U P S U P S U P M U T M U T E S T E U T M U T E U T R X T R X T R X T R X C D U C D U T R X T R X T R X T R X C D U C D U T R X T R X T R X T R X C D U C D U TDU Page10 Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. Contents Overview Sys tem Components Signal Processing Antenna and Feeder System . All rights reserved. Fea tures a nd Functions Support GSM9 00,DCS1800,EGSM and RGSM Support GSM PHASE 1 、 PHASE 2 and PHASE 2+ Support GPRS and EDGE Support. www.huawei.com Copyright © 2006 Huawei Technologies Co., Ltd. All rights reserved. GSM BTS312 Ha rdwa re Structure Page2 Copyright © 2006 Huawei Technologies Co., Ltd. All