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Re: [Discuss-gnuradio] ofdm benchmark

From: Brook Lin
Subject: Re: [Discuss-gnuradio] ofdm benchmark
Date: Fri, 16 Jan 2009 15:17:58 -0800 (PST)

I think you could change the value of -d and -i and see. This is what I
./benchmark_ofdm_tx.py -f 440M -T A --tx-amplitude 5000 -v -i 128
--fft-length 128 --occupied-tones 80 --cp-length 32
./benchmark_ofdm_rx.py -f 440M -R A -v -d 64 --fft-length 128
--occupied-tones 80 --cp-length 32 
At the receiver side, I could receive the pkt, as you expect. However, I can
not receive all the packets that I send from the transmitter side. About 60%
of the packets are received. I don't know why. You can try and see whether
you have the same problems. If you know why, could you let me know?


liu jinnan wrote:
> Second, I run benchmark_ofdm_tx.py on one computer and
> benchmark_ofdm_rx.py on another computer
> ./benchmark_ofdm_tx.py �Cf 2.4G --fft-length 64 --occupied �Ctones 52 
> --cp-length 16  �Ctx-amplitude 200
> ./benchmark_ofdm_rx.py �Cf 2.4G --fft-length 64 --occupied �Ctones 52 
> --cp-length 16  
> After  initialization, sometimes nothing will be printed on the screen at
> receiver.( As I expect,
> "ok: right pktno: 1  n_rcvd: 1  n_right:1" or something alike will be
> printed.) When the transmiter is stoped,"timeout" will be on the
> receiver's screen.
> Jinnan
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> Discuss-gnuradio mailing list
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