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GSM re-invented


Open-Source Hardware
 для базовой станции




       Alexander Chemeris
       CEO, fairwaves LLC
Presentation plan


1. Myth bashing

2. Internet and SDR

3. Open-source GSM




Alexander Chemeris   twitter: @chemeris   e-mail: Alexander.Chemeris@fairwaves.ru
Software Defined Radio


   Приём/передача сигнала —
           в железе.

             Обработка сигнала —
                  в софте.

Alexander Chemeris   twitter: @chemeris   e-mail: Alexander.Chemeris@fairwaves.ru
UmTRX

 A transceiver for
 • low-cost,
 • mid-range,
 • power-efficient
 GSM base station

 and more...

Alexander Chemeris   twitter: @chemeris   e-mail: Alexander.Chemeris@fairwaves.ru
Open-Source Hardware

•       Editable design files are published

•       You're allowed to

       o distribute,

       o modify,

       o manufacture.


    Alexander Chemeris   twitter: @chemeris   e-mail: Alexander.Chemeris@fairwaves.ru
Modified UHD firmware & software

1. Works with OpenBTS

2. Works with OpenBSC

3. Even with GnuRadio




Alexander Chemeris   twitter: @chemeris   e-mail: Alexander.Chemeris@fairwaves.ru
Purpose and users

•       Small/tiny carriers

•       Developing regions

•       Rural and isolated areas


… not to compete with Big Guys



    Alexander Chemeris   twitter: @chemeris   e-mail: Alexander.Chemeris@fairwaves.ru
UmTRX architecture



                                                               Tx      PA
                                                        Ch 1                            duplexer
                                                                               LNA
                                                               Rx

    VoIP             backhaul
                                x86 PC               Transceiver
                10/100/1000 Mbit         1000 Mbit
                                                               Rx
                                                        Ch 2                   LNA
                                                                                        duplexer
                                                               Tx      PA




Alexander Chemeris                 twitter: @chemeris           e-mail: Alexander.Chemeris@fairwaves.ru
UmTRX architecture




Alexander Chemeris   twitter: @chemeris   e-mail: Alexander.Chemeris@fairwaves.ru
UmSEL – selectivity improvement




Alexander Chemeris   twitter: @chemeris   e-mail: Alexander.Chemeris@fairwaves.ru
UmSEL – selectivity improvement




Alexander Chemeris   twitter: @chemeris   e-mail: Alexander.Chemeris@fairwaves.ru
LMS6002D
                              ›      Single chip transceiver
                              ›      375MHz-4GHz.
                              ›      Programmable
                                     bandwidth: 1.5-28MHz
                              ›      12-bit ADC and DAC
                              ›      Tx RF output +6dBm,
                                     continuous wave

                              and open-source friendly!

Alexander Chemeris   twitter: @chemeris    e-mail: Alexander.Chemeris@fairwaves.ru
Open-source software for GSM


     OsmoBTS –
        классическая БС

     OpenBTS –
        БС с подключением по VoIP

     OsmocomBB –
        реализация телефона


Alexander Chemeris   twitter: @chemeris   e-mail: Alexander.Chemeris@fairwaves.ru
Mayotte project
                                              Target
                     Площадь
                     374 км2                  low-cost GSM network

                     Население                affordable communication
                     200 тыс человек
                                              uses open-technology
                     ARPU
                     2 $/месяц                hack & learn




Alexander Chemeris       twitter: @chemeris    e-mail: Alexander.Chemeris@fairwaves.ru
GSM re-invented
     Александр Чемерис
Alexander.Chemeris@fairwaves.ru
       +7 (915) 330-7626
   skype: Alexander.Chemeris
       twitter: @chemeris
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Александр Чемерис - Открытая реализация GSM

  • 1. GSM re-invented Open-Source Hardware для базовой станции Alexander Chemeris CEO, fairwaves LLC
  • 2. Presentation plan 1. Myth bashing 2. Internet and SDR 3. Open-source GSM Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 3. Software Defined Radio Приём/передача сигнала — в железе. Обработка сигнала — в софте. Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 4. UmTRX A transceiver for • low-cost, • mid-range, • power-efficient GSM base station and more... Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 5. Open-Source Hardware • Editable design files are published • You're allowed to o distribute, o modify, o manufacture. Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 6. Modified UHD firmware & software 1. Works with OpenBTS 2. Works with OpenBSC 3. Even with GnuRadio Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 7. Purpose and users • Small/tiny carriers • Developing regions • Rural and isolated areas … not to compete with Big Guys Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 8. UmTRX architecture Tx PA Ch 1 duplexer LNA Rx VoIP backhaul x86 PC Transceiver 10/100/1000 Mbit 1000 Mbit Rx Ch 2 LNA duplexer Tx PA Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 9. UmTRX architecture Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 10. UmSEL – selectivity improvement Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 11. UmSEL – selectivity improvement Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 12. LMS6002D › Single chip transceiver › 375MHz-4GHz. › Programmable bandwidth: 1.5-28MHz › 12-bit ADC and DAC › Tx RF output +6dBm, continuous wave and open-source friendly! Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 13. Open-source software for GSM  OsmoBTS – классическая БС  OpenBTS – БС с подключением по VoIP  OsmocomBB – реализация телефона Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 14. Mayotte project Target Площадь 374 км2 low-cost GSM network Население affordable communication 200 тыс человек uses open-technology ARPU 2 $/месяц hack & learn Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  • 15. GSM re-invented Александр Чемерис Alexander.Chemeris@fairwaves.ru +7 (915) 330-7626 skype: Alexander.Chemeris twitter: @chemeris