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This simple OFDM demo is based on LTE downlink format for testing SDR hardware.
Using Software Designed Radio (SDR) to transmit OFDM signals at 2.4 GHz.
Transmitter and Receiver hardware : Zedboard (Xilinx Zynq®-7000) + AD9361 (Analog Device-FMCOMMS3)
Please open Matlab windows to run
Main_self.m
for one transceiverMain_TwoBoard.m
for transmitter and receiverVideo Demo : https://youtu.be/jywNhMAHi7Y
Center Frequency | 2.4 GHz |
---|---|
Bandwidth | 10 MHz |
Sampling Rate | 15.36 MS/s |
Mapping | 64 QAM |
FFT Size | 1024 |
Cyclic Prefix Length | 512 |
Resource Block | 50 |
Samples Per Frame | 307200 |
PC Host IP address | 192.168.3.1 |
TX IP address | 192.168.3.6 |
RX IP address | 192.168.3.7 |
Edit /etc/init.d/rc.local
file in Linux OS
## Change MAC address
sudo ifconfig eth0 down
sudo ifconfig eth0 hw ether 00:0A:35:00:01:23
sudo ifconfig eth0 up
Then, use router DHCP hand setting mode to distribute network configuration parameters :
To shut down the hardware properly, execute the commands below.
Enter Linux by ssh :
ssh analog@192.168.3.X
Default password :
analog
Shutdown command :
sudo shutdown -h now
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