UmTRX an open-source, budget-friendly hardware for GSM and more
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1 GSM re-invented GnuRadio Conference Sept 2012 UmTRX an open-source, budget-friendly hardware for GSM and more
2 Presentation plan 1. What is UmTRX? 2. Technical details
3 UmTRX A transceiver for low-cost, mid-range, power-efficient GSM base station UmTRXv1 prototype (not a femtocell)
4 UmTRX an SDR transceiver two TDD/FDD channels 300MHz 3.8GHz tuning range up to 28MHz bandwidth 1GbE external interface GPS stabilized clock industrial grade And completely open-source
5 Open-Source Hardware Editable design files are published You're allowed to o distribute, o modify, o manufacture.
6 Hackable into: LTE & WiMAX DVB-T & DAB Satellite communication CDMA & W-CDMA Cognitive Radio & TV White Spaces You add more.
7 UmTRX revisions so far UmTRX v1-1st proto an amplifier for Tx (200mW) no LNA on Rx 10x16cm Eurocard form factor no RF switches on a frontend newer GPS module (EB-570) U.FL connectors by default external front panel connector tantalum capacitors 8-28VDC input voltage range UmTRX v2 - preproduction
8 Hackable into: LTE & WiMAX DVB-T & DAB Satellite communication CDMA & W-CDMA Cognitive Radio & TV White Spaces You add more.
9 Presentation plan 1. What is UmTRX? 2. Technical details
10 UmTRX architecture
11 UmTRXv2
12 LMS6002D lms6002-documentation Single chip transceiver 375MHz-4GHz. Programmable bandwidth: MHz 12-bit ADC and DAC Tx RF output +6dBm, continuous wave and NDA and open-source friendly!
13 UmTRX GSM architecture x86 PC 1GbE Tx PA Rx RF switch duplexer UmTRX PA Tx duplexer Rx RF switch
14 Selectivity improvement frontend
15 Selectivity improvement frontend
16 Modified UHD firmware & software Works with OpenBTS OpenBSC (very early stage) GnuRadio (soon? )
17 ToDO list Better UHD integration Cheap GSM Power Amplifier Further hardware tweaking more on the issue tracker Get a deeply discounted UmTRX if you contribute!
18 GSM re-invented UmTRX web-site: +7 (915)
19 Mayotte project Coordinates S, E Square kilometers of land 374 square kilometers Population 200,000* Target low-cost GSM network affordable communication uses open-technology Telephone lines 5.2 per 100 people* hack & learn Mobile cellular subscriptions 28.0 per 100 people* * information of World Bank, 2009
20 About Fairwaves LLC Moscow based company, founded in Jan Focuses on development of cost-effective mobile access solutions. Provides software and hardware development services in the area of SDR., CEO, holds Master degree in Computer Science and during last 6 years was involved in various projects on VoIP, videoconferencing 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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