Alexander Chemeris, CEO

smart radio software

UmTRX –an open-source hardware for

GSM base station

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

Presentation plan

1. What is UmTRX?

2. Non-technical details

3. Technical background

 

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

UmTRX

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

 

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

Presentation plan

1. What is UmTRX?

2. Non-technical background

3. Technical details

 

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

Project stage & plans

• 1st prototype by New Year

• Test deployment by 2012 Q3 at Mayotte

 

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

Presentation plan

1. What is UmTRX?

2. Non-technical background

3. Technical details

 

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

UmTRX architecture

 

1GigE

FPGAXilinx Spartan 6 LX75

Power GPSEB230

1 PPS

Rx

Tx

Rx

Tx

controlcontrol

Ref. Clock

TCXO26 MHz

duplexer +LNA+PA

duplexer +LNA+PA

Flash

LMS6002D

LMS6002D

SP

I

UA

RT

switch

switch

GPIO

GPIO

SRAM

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

UmTRX specification

• Dual TRX

• GPS-locked clock

• 5.25" form-factor

• 3mW output power

• Ethernet connection

 

15 voice channelscheap Power Amplifiersdiversity receive

no maintenanceno costly OCXO

many enclosuresfits into CD-ROM slot

standard for BTSamplifies to any value

standardreliable

Alexander Chemeris, CEO 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 NDA :)

 

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

Modified UHD firmware & software

1. Works with OpenBTS

2. Works with OpenBSC

3. Even with GnuRadio

 

smart radio softwareAlexander Chemeris

Alexander.Chemeris@fairwaves.ru+7 (915) 330-7626

skype: Alexander.Chemeristwitter: @chemeris

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

Mayotte project

 

Coordinates12 50 S, 45 10 E

Kilometers of coastline185.2 kilometers

Square kilometers of land374 square kilometers

Square kilometers of water0 square kilometers

Population178,437 (July 2003 est.)

Target

low-cost GSM network

affordable communications

uses open-technology

hack & learn

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

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).