Re: [Discuss-gnuradio] packet sending part

2016-03-24 Thread Martin Braun
Sure you can change the tx rate, but I'm not sure what you're asking. Maybe you can start a new thread, and explain what you're trying to do. M On 03/24/2016 07:02 PM, SangHyuk Kim wrote: > HI, > > I checked those files, but I'm using recent version > > I think this is related with usrp Tx rat

Re: [Discuss-gnuradio] packet sending part

2016-03-24 Thread SangHyuk Kim
HI, I checked those files, but I'm using recent version I think this is related with usrp Tx rate. In usrp_sink_impl.cc, I found function work(noutput_items, input_items, output_items). It sends packet to air. And I check how many items are passed at this part. Most of all is 4096 or 8188 (I th

Re: [Discuss-gnuradio] packet sending part

2016-03-24 Thread Martin Braun
SangHyuk, you're not using the more recent OFDM blocks, so you won't get a lot of support here -- I recommend moving to the tx_ofdm and rx_ofdm stuff instead. Cheers, Martin On 03/24/2016 04:04 AM, SangHyuk Kim wrote: > Hi, > > I'm trying to understand how OFDM packet Tx working > > I checked

[Discuss-gnuradio] packet sending part

2016-03-24 Thread SangHyuk Kim
Hi, I'm trying to understand how OFDM packet Tx working I checked Tx rate and I got a poor rate (qam16, freq 1.18GHz, BW 25 MHz, pkt_size 400 --> 4.0 Mbps) I found it's because msg_queue block when packet be inserted to tail When Tx calls 'send_pkt(payload, ..)', it make packet and insert to ta