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UmTRX – a hardware for GSM base station

UmTRX – a hardware for GSM base station. Presentation plan. What is UmTRX? Technical details. UmTRX. A transceiver for low-cost, mid-range, power-efficient GSM base station (not a femtocell). Open-Source Hardware. Editable design files are published You're allowed to distribute,

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UmTRX – a hardware for GSM base station

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  1. UmTRX –a hardware for GSM base station

  2. Presentation plan What is UmTRX? Technical details

  3. UmTRX A transceiver for low-cost, mid-range, power-efficient GSM base station (not a femtocell)

  4. Open-Source Hardware • Editable design files are published • You're allowed to • distribute, • modify, • manufacture.

  5. Purpose and users Small/tiny carriers Developing regions Rural and isolated areas … to avoid competition with Big Guys

  6. Presentation plan What is UmTRX? Technical details

  7. UmTRX architecture

  8. UmTRX specification Dual TRX GPS-locked clock 5.25" form-factor 3mW output power Ethernet connection 15 voice channels cheap Power Amplifiers diversity receive no maintenance no costly OCXO many enclosures fits into CD-ROM slot standard for BTS amplifies to any value standard reliable

  9. LMS6002D • Single chip transceiver • 375MHz-4GHz. • Programmable bandwidth: 1.5-28MHz • 12-bit ADC and DAC • Tx RF output +6dBm, continuous wave and NDA :)

  10. Modified UHD firmware & software Works with OpenBTS OpenBSC (soon? ) GnuRadio

  11. UmTRX Q&A

  12. Alexander Chemeris Alexander.Chemeris@fairwaves.ru +7 (915) 330-7626 skype: Alexander.Chemeris twitter: @chemeris

  13. Mayotte project Target Coordinates 12 50 S, 45 10 E Square kilometers of land 374 square kilometers Population 200,000* Telephone lines 5.2 per 100 people* Mobile cellular subscriptions 28.0 per 100 people* * information of World Bank, 2009 low-cost GSM network affordable communications uses open-technology hack & learn

  14. About Fairwaves LLC Moscow based company, founded in Jan 2011. Focuses on development of cost-effective mobile access solutions. Provides software and hardware development services in the area of SDR. Owns world-leading IP in LDPC error-correcting codes, smart antenna systems and wavelet filtering of RF signals. Alexander Chemeris, CEO, holds Master degree in Computer Science and during last 6 years was involved in various projects on VoIP, video-conferencing and wireless technologies as senior engineer, project manager and consultant, including many open-source projects. Prof. Dr. Sergey Portnoy, Chairman of the Board, received doctoral degree in 1992 for his achievements in cascaded modulation and coding schemes, nowadays known as OFDM. For the last 20 years he has been building wireless networks and promoting wireless access in Russia. At this moment he holds positions of WiMAX Forum Regional Director, Chairman of the board of ZAO Cedicom (equipment distribution),VP Strategy of ZAO Antares (emerging LTE operator).

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