A REAL-TIME MIMO-LTE TEST-BEDPrimitivo Matas, Quiliano Pérez, Ana Villanua and Francisco Javier Lorca

LTE groupTelefónica I+D, Spain

BROADBAND MOBILE EVOLUTION

DEVELOPMENT WORKFLOW

SYSTEM ARCHITECTURE

Test setup baseband module

TEST SETUP BASEBAND MODULE

RESOURCES DISTRIBUTION

TRANSMITTER

56%

24%

7%

13%

ifft

resource mapper

turbo encoder

conversión FI

RESOURCES DISTRIBUTION II

RECEIVER (~7 times TRANSMITTER)

17%

1%

8%

3%

18%11%2%

5%

1%

21%

13%

channel estimation and equalization BB conversionfft frequency offset correctiontime synchronism demodulatorresource demapper input decoder estimationsub-frame synchronism turbo decodercalculus of BER

DEMO OF LTE BASIC OPERATION

CONCLUSIONS I

CONCLUSIONS II

CONCLUSIONS III