Hi Ron, Thanks for your suggestion. It works for me :)
Regards, Syed Aqeel Raza On Mon, Feb 3, 2014 at 11:54 PM, Syed Aqeel Raza <s.aqeelr...@gmail.com>wrote: > Hi, > > Again, I did some more work and the details are as under. > > 1. I have created a single flowgraph without USRP hardware. For your > reference the file is enclosed with the name of gmsk_file_transceiver.grc. > This work fine and we can see the stream video output without any > difficulty. > > 2. To continue further I splitted the above mentioned file into > transmitter and receiver side along with the inclusion of USRP source and > sink blocks, respectively. Their flowgraphs are enclosed with the name of > gmsk_tx.grc and gmsk_rx.grc, respectively. The FFT plot shows that (vdo > transmission.png enclosed) transmitter and receiver handshakes with each > other but the signal difference between the transmitter and the receiver > side is 80 dB. I further noticed that whenever I stopped the transmission > the received signal at the receiver further drops to -120 dB. > > I really get stuck in this issue for the last two days. I need your > assistant to resolve this problem as I am a newbie in gnuradio using USRP > platform. > > Thanks in advance. > > Regards, > Syed Aqeel Raza > > > > > > > > > > > > On Sat, Feb 1, 2014 at 11:36 AM, Syed Aqeel Raza <s.aqeelr...@gmail.com>wrote: > >> Hi Martin, >> >> Thanks for your reply. >> >> I have made some changes in the flowgraphs due to which the transmitter >> and receiver sides handshakes with each other. Despite of this handshaking, >> the receiver side is not produced the required baseband signal. >> Furthermore, I have designed a single flowgraph that comprises on >> transmitter and receiver without the inclusion of USRP source and sink >> block. That single flowgraph works fine and perfectly streaming the video. >> >> I will send the updated flowgraphs to you by tomorrow. >> >> Regards, >> Syed Aqeel Raza >> >> >> On Sat, Feb 1, 2014 at 8:05 PM, Martin Braun <martin.br...@ettus.com>wrote: >> >>> On 30.01.2014 18:17, Syed Aqeel Raza wrote: >>> >>>> I have checked the transmission part, which is working perfectly by >>>> >>>> transmitting a video stream over the wireless. Whereas, no video >>>> >>>> reception is displayed on receiver end. >>>> >>> >>> How did you test the transmitter? >>> >>> >>> For further reference, I have attached the flow charts used for >>>> >>>> transmission and reception of video streaming. An earliest reply is >>>> >>>> highly appreciated. >>>> >>> >>> There's many things that can go wrong here. Does your rx spectrum look >>> good? >>> >>> MB >>> >>> >> > >
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