Александр Чемерис - Открытая реализация GSM

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Александр Чемерис - Открытая реализация GSM

  1. 1. GSM re-inventedOpen-Source Hardware для базовой станции Alexander Chemeris CEO, fairwaves LLC
  2. 2. Presentation plan1. Myth bashing2. Internet and SDR3. Open-source GSMAlexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  3. 3. Software Defined Radio Приём/передача сигнала — в железе. Обработка сигнала — в софте.Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  4. 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. 5. Open-Source Hardware• Editable design files are published• Youre allowed to o distribute, o modify, o manufacture. Alexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  6. 6. Modified UHD firmware & software1. Works with OpenBTS2. Works with OpenBSC3. Even with GnuRadioAlexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  7. 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. 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 PAAlexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  9. 9. UmTRX architectureAlexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  10. 10. UmSEL – selectivity improvementAlexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  11. 11. UmSEL – selectivity improvementAlexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  12. 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. 13. Open-source software for GSM OsmoBTS – классическая БС OpenBTS – БС с подключением по VoIP OsmocomBB – реализация телефонаAlexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  14. 14. Mayotte project Target Площадь 374 км2 low-cost GSM network Население affordable communication 200 тыс человек uses open-technology ARPU 2 $/месяц hack & learnAlexander Chemeris twitter: @chemeris e-mail: Alexander.Chemeris@fairwaves.ru
  15. 15. GSM re-invented Александр ЧемерисAlexander.Chemeris@fairwaves.ru +7 (915) 330-7626 skype: Alexander.Chemeris twitter: @chemeris

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