Re: [USRP-users] OFDM tx-rx implementation error

2018-06-12 Thread Marcus D. Leech via USRP-users
On 06/12/2018 06:12 PM, Ayaz Mahmud via USRP-users wrote: Hi, I am trying to implement OFDM Tx-Rx (Block diag attached). Just after the OFDM receiver block I do get a signal but distorted or hanged ! Can anyone help me to sort this out please? Also there are 2 warnings in console:

[USRP-users] TX-RX file through OFDM errors

2018-06-12 Thread Ayaz Mahmud via USRP-users
Hi, I am trying to transmit and receive a .png file through OFDM (Block diagram attached). The file size is only 1.5kB. While running I am getting the below warning & error in console. Can someone point out the reason behind the error and what I am doing wrong. I am a beginner and just started

Re: [USRP-users] Transmit Latency Over N210

2018-06-12 Thread Marcus D. Leech via USRP-users
On 06/12/2018 09:29 AM, Amirhosein naseri via USRP-users wrote: Tnx Marcus for your answer but i dont mean synchronization of two usrp when u set tag for Tx-time on burst, usrp when the time arrives , transmitt the burst but in reality it take some times to burst reaches to antenna

Re: [USRP-users] Transmit Latency Over N210

2018-06-12 Thread Amirhosein naseri via USRP-users
Tnx Marcus for your answer but i dont mean synchronization of two usrp when u set tag for Tx-time on burst, usrp when the time arrives , transmitt the burst but in reality it take some times to burst reaches to antenna and propagate (Actual Transmission)and this delay is completely

Re: [USRP-users] Transmit Latency Over N210

2018-06-12 Thread Marcus Müller via USRP-users
Dear Amirhosein! the time synchronization methods mentioned in http://files.ettus.com/manual/page_sync.html solve that: it doesn't matter when you put the data on Ethernet, the USRP will send it when the time set for transmission is reached. Best regards, Marcus On Tue, 2018-06-12 at 09:27