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Presentation of NSN training

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This is my final 8th semester\'s presentation which is in college on 23rd May, 2009

Published in: Technology, Business

Presentation of NSN training

  1. 1. Base Station Subsystem Prepared By: Bhavin Halani Internal Guide: External Guide: Prof. C. R. Parekh Mr. Nilesh Bansal
  2. 2. Nokia-Siemens Networks <ul><li>Announcement of merging on June 19, 2006 </li></ul><ul><li>full operations on  1 April   2007 </li></ul><ul><li>has its headquarters in  Espoo ,  Greater Helsinki ,  Finland </li></ul><ul><li>has operations in some 150 countries and has about 60,000 employees. </li></ul><ul><li>Its major manufacturing sites are in China, Finland, Germany and India. About 1 billion people are connected through its networks. </li></ul><ul><li>Second largest </li></ul><ul><li>Provide services to Vodafone & Airtel </li></ul>
  3. 3. <ul><li>BSS:- BASE STATION SUBSYSTEM </li></ul><ul><li>RF DEPARTMENT:- RF PLANNING </li></ul><ul><li> RF OPTIMIZATION </li></ul><ul><li>NSS:- NETWORK SWTCHING SUBSYSTEM </li></ul><ul><li>OMC:- OPERATION & MAINTANANCE </li></ul><ul><li>UNIT </li></ul><ul><li>GPRS:- GENERAL PACKET RADIO </li></ul><ul><li>SERVICE </li></ul><ul><li>PROJECT UNIT </li></ul><ul><li>TRANSMISSION </li></ul>Department in Nokia-Siemens Networks
  4. 4. GSM Network Architecture BTS 3 BTS 2 BTS 1 BSC PSTN N/W HLR VLR AUC EIR SMSC VMSC MSC OMC NSS BSS
  5. 5. Channelization FDMA ( F requency D ivision M ultiple A ccess) <ul><ul><li>TDMA ( T ime D ivision M ultiple A ccess) </li></ul></ul>CDMA ( C ode D ivision M ultiple A ccess) Frequency Division Duplex (FDD) Time Division Duplex Frequency Time Power Frequency Time Power F1 F2 Frequency Time Tx Rx F1 Frequency Time Tx Rx
  6. 6. Channels LOGICAL CHANNELS COMMON CHANNELS DEDICATED CHANNELS BROADCAST CHANNELS FCCH SCH BCCH COMMON CONTROL CHANNELS PCH RACH AGCH SDCCH SACCH FACCH DEDICATED CONTROL CHANNELS TCH/F TCH/H TRAFFIC CHANNELS TCH/EFR
  7. 7. Nokia MetroSite GSM BTS
  8. 8. Feature of Metrosite BTS <ul><li>used in GSM 900, GSM 1800, GSM 1900 systems </li></ul><ul><li>accommodates up to four transceiver units (TRXs) </li></ul><ul><li>frequency hopping </li></ul><ul><li>fast and easy to install </li></ul><ul><li>wall and pole installations are supported </li></ul><ul><li>maximum number of TRXs in one sector is four </li></ul>
  9. 9. TRXs in 1 sector single band configuration (1+1)/(1+1) Dual Band configuration 2+2 Dual band configuration Examples of transmission connections
  10. 10. Nokia Ultrasite units
  11. 11. Base Operation Interface Card Base Band Interface Card Trance receiver (TRX) Duplexer (DVJA) Wide Band Combiner (WCGA) Multicoupler Power Supply (PWSB) Radio Relay Interface Card Different parts of BTS
  12. 12. Uplink Path GSM antenna | Dual Variable Gain Duplex Filter (DVxx) unit | Multicoupler (M2xx and M6xx) | TRx(transceiver) | BB2F Card for DSP | Transmission (VXxx) unit | To BSC through Microwave Antenna
  13. 13. Downlink Path From BSC through Microwave Antenna | Transmission unit(VXxx) | BB2F Card for DSP | TRX (Tranceiver) | Wideband Combiner unit (WCxx) | Duplexer | GSM antenna, which passes the signal through the Air interface to the MS
  14. 15. Transmission Unit <ul><li>MW Antenna </li></ul><ul><li>Outdoor Unit </li></ul><ul><li>GSM Antenna </li></ul>
  15. 16. MW Antenna & ODU <ul><li>Size : 0.6, 1.2, 1.8, 2.4 m </li></ul><ul><li>High and low </li></ul><ul><li>Vodafone notification </li></ul><ul><li>In 1 MW link, 1 ODU is high and another is low </li></ul><ul><li>Power -40W </li></ul><ul><li>Polarization </li></ul><ul><li>Frequency Bands : 13, 15, 18, 23, 26, and 38 GHz </li></ul><ul><li>Transmission capacity : 2 x 2, 4 x 2, 8 x 2, or 16 x 2 Mbit/s. </li></ul>
  16. 17. <ul><li>Tilting: Mechanical </li></ul><ul><li>Electrical </li></ul><ul><li>Notification describe degree of </li></ul><ul><li>electrical tilt </li></ul><ul><li>1 antenna uses max. 4 TRX </li></ul>GSM Antenna
  17. 18. Task 1 : Quality work <ul><li>Site Analyzer </li></ul><ul><li>RF cable, Jumpers, connectors </li></ul><ul><li>Measures in 1 to 7 </li></ul><ul><li>RL and SWR </li></ul><ul><li>1--> 2 due to </li></ul><ul><li>water in connector </li></ul><ul><li>Faulty jumpers </li></ul><ul><li>Connector bending </li></ul>
  18. 19. Task 2 : Loop break <ul><li>Metro hub </li></ul><ul><li>Reason- Power level -77dbm in Dhandhuka-Khasta link </li></ul><ul><li>Change ODU </li></ul><ul><li>Alignment of MW antenna </li></ul><ul><li>Check Feedon </li></ul><ul><li>Level improve : -77dbm to -44dbm </li></ul>
  19. 20. Task 3 : Loop Spilt <ul><li>LOOPING ADVANTAGE </li></ul><ul><li>METROHUB AND BTS </li></ul>
  20. 21. DEVLIYA (AITEL MEDIA) FROM RANPUR MITHAPUR SHIYAL KALYANGADH KELIYA VASNA CHANGODAR BADRKHA SARODA DHOLKA NAVAPURA GTL VISHALPUR PALDI KANKAJ PIRANA TOWN MIROLI CHANGODAR BCL CHALODA AMBLIYARA KALI KUNJ DOLKA BC CADILA FARMA MORRAIYA CADILA IBS CLARIS CADILA BHAT KERLA GIDC CHANDISAR RAJODA CHANGO BCL 2 BAVLA BAGODRA MANKOL RETHAL NANODRA KESARNDI BA113 NEW LOOP DHOLKANEW TRASAD MAHIJDA PISAVADA VAUTHA SALJADA SHARKEJ BALAVA RD E 1 SENT TO IDEA FROM MODASAR DHOLKA BCL CHANGODAR IDEA JUWAL BHAT (GTL) DHANDHUKA LIMDI OFC AND NEC TOWARDS BHAVNAGAR BAVLIYARI HEBAT IDEA NAVDA PATNA LAKHNI JAMRALA BARVALA RANPUR JALILA BHIMNATH ALAU SUNDARIYAN ALAMPUR UMRALA KUNDALI DHARPIPLA TAGDI MOTIVAVD I ROJID ADRODA CHIYADA DURGI ASLLALI TARAPUR TOWARDS KHEDA GALPH PIPLI MOTIBARU VATAMAN GUNDI FEDRA PANCHAM DHOLERA DHADIYAD ARNE J GANGAD VALTHERA SIMAJ AMBARELI KOTH KANPARA BAJARDA ADVAL PADANA ROJKA AKRU SODHI DHANDHU CITY RUPAN CHANDRIYANA KHASTA JHAKHDA SARGVALA SHAHIJ SHANTHAL VAJIFA KASHIDRA
  21. 22. DEVLIYA (AITEL MEDIA) FROM RANPUR MITHAPUR SHIYAL KALYANGADH KELIYA VASNA CHANGODAR BADRKHA SARODA DHOLKA NAVAPURA GTL VISHALPUR PALDI KANKAJ PIRANA TOWN MIROLI CHANGODAR BCL CHALODA AMBLIYARA KALI KUNJ DOLKA BC CADILA FARMA MORRAIYA CADILA IBS CLARIS CADILA BHAT KERLA GIDC CHANDISAR RAJODA CHANGO BCL 2 BAVLA BAGODRA MANKOL RETHAL NANODRA KESARNDI BA113 NEW LOOP DHOLKANEW TRASAD MAHIJDA PISAVADA VAUTHA SALJADA SHARKEJ BALAVA RD E 1 SENT TO IDEA FROM MODASAR DHOLKA BCL CHANGODAR IDEA JUWAL BHAT (GTL) DHANDHUKA LIMDI OFC AND NEC TOWARDS BHAVNAGAR BAVLIYARI HEBAT IDEA NAVDA PATNA LAKHNI JAMRALA BARVALA JALILA SUNDARIYAN KUNDLI RANPUR SNBURGUPUR MOTIVAVDI BHIMNATH ROJID ADRODA CHIYADA DURGI ASLLALI TARAPUR TOWARDS KHEDA GALPH PIPLI MOTIBARU VATAMAN GUNDI FEDRA PANCHAM DHOLERA DHADIYAD ARNE J GANGAD VALTHERA SIMAJ AMBARELI KOTH KANPARA BAJARDA ADVAL PADANA ROJKA AKRU SODHI DHANDHU CITY RUPAN CHANDRIYANA KHASTA JHAKHDA SARGVALA SHAHIJ SHANTHAL VAJIFA KASHIDRA TAGDI ALAU khas alampur DHARPIPLA UMARALA BHANGATH GHODASU
  22. 23. Task 4 : Flexi Site Installation <ul><li>Project team </li></ul><ul><li>Enough space for new site </li></ul><ul><li>Connection of BTS </li></ul><ul><li>Connection of MW and RF Antenna </li></ul><ul><li>Commissioning of BTS </li></ul><ul><li>Update call </li></ul>
  23. 24. Task 5 : Intelligent BTS Shutdown <ul><li>Night Planwork </li></ul><ul><li>Power cut </li></ul><ul><li>Alarm setting </li></ul><ul><li>Transmission continues </li></ul>
  24. 25. OTHER TASKS <ul><li>Preventive Maintenance </li></ul><ul><li>Tilting of GSM Antenna </li></ul><ul><li>Alignment of MW Antenna </li></ul><ul><li>Replacement of ODU </li></ul><ul><li>Traffic Management </li></ul><ul><li>Antenna Dismantling </li></ul>
  25. 26. Thanks for your Attention. Have a nice day.

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