this is presentation on bts (base transreceiver station) site visit and discreption of each part of bts.........

1. TATA INDICOM PREPAID BY : BHARGAV SHANKHALPARA

3. Tata Teleservices is part of the Tata Group.

4. Invented in 1996.

6. SITE VISIT AT PIPALIA (MORBI) PREPAID BY : BHARGAV SHANKHALPARA

8. POWER PLANT

9. BTS MACHINE

11. GENERATOR WHICH PROVIDE POWER WHEN MAIN SUPPLY (COMES FROM GEB) IS FAILS…

13. POWER PLANT :

14. BTS OF AIRTEL(NOKIA)

15. RRI CARD POWER CARD BB2F CARD BOIA CARD DUPLEXER Trx COMBINER

16. BTS DIVIDE IN FOLLOWING UNITS: POWER CARDS BB2F Trx BOIA CARD ALARM EXTENSION SYSTEM RRI CARD COMBINER DUPLEXER

20. BB2F CARD CONNECT BOIA CARD TO TRx.

21. ONE BB2F CAN OPERATE 2 Trx.

22. THERE ARE THREE CONDITION OF BB2F WHICH IS DETECTED BY LEDS…. GREEN - OK ORANGE- DOWN RED- FAULTY

23. Trx :

25. ONE Trx CAN HANDLE 16 CALLS PER SECOND.

26. WE CAN USE MAXIMUM 12 Trx ON ONE BTS.

28. BOIA CARD IS LIKE BRAIN OF BTS.

36. MICROWAVE ANTENNA :

37. CALL PROCESS IN UPLINK : 1. Uplink Path GSM antenna. Dual Variable Gain Duplex Filter (DVxx) unit. 3. Multicoupler (M2xx and M6xx). 4. TRx(transceiver). 5. BB2F Card for DSP. 6. Transmission (VXxx) unit. 7. To BSC through Microwave Antenna

38. CALL PROCESS IN DOWNLINK : Downlink Path From BSC through Microwave Antenna Transmission unit(VXxx). BB2F Card for DSP. TRX (Transceiver). Wideband Combiner unit (WCxx). Duplexer. GSM antenna, which passes the signal through the Air interface to the MS

39. SITE VISIT : TATA Problem : Rajkot MSC was not getting connectivity from Junagadh. Solution: Then by ping address of all the BTS in Junagadh connectivity is checked, we found the faulty BTS then it was found that GLI card of that BTS was damaged which was replaced afterwards.