Hi Marcus:
Thank you.I just want to know whether the example tx_ofdm.grc add start_of_burst at the beginning of every packet and add end_of_burst at the end of every packet?
Best regards,
xd
At 2014-07-31 00:03:33, "Marcus Müller" <address@hidden> wrote:
>Sorry Xianda,
>I'm still not understanding completely.
>Is this question about a) tx_ofdm.grc, or b) not about GNU Radio?
>
>Best regards,
>Marcus
>
>On 30.07.2014 17:51, xianda wrote:
>>
>> Hi Marcus:
>> Thank you so much.I just want to make some changes on the example of tx_ofdm.grc.And I use the UHD not the gnuradio.But the example is about the gnuradio.I know a packet in the example tx_ofdm.grc include a preamble,a header,the payload and crc value.And I want to know whether need I add start_of_burst at the beginning of every packet and add end_of_burst at the end of every packet?Am I right?
>> Best regards,
>> xd
>>
>>
>>
>>
>>
>> At 2014-07-30 11:39:02, "Marcus Müller" <address@hidden> wrote:
>> Hi Xianda,
>> if you don't use gnuradio, this might not be the right list for you...
>> Anyway, I think it's possible you're confusing something. start_of_burst / end_of burst are stream tags that are GNU Radio concepts. There is not something like this without GNU Radio.
>> UHD supports timed commands, which might be close to what you need, but I really don't understand what your question aims at.
>>
>> Greetings,
>> Marcus
>>
>>
>> On 30.07.2014 16:50, xianda wrote:
>>
>> Hi:
>> Thank you so much for your kindly reply.I write c++ code use the uhd not gnuradio.So need I add start_of_burst at the beginning of every packet and add end_of_burst at the end of every packet?Thank you.
>> Best regards,
>> xd
>>
>>
>>
>>
>>
>>
>> At 2014-07-30 10:05:47, "Martin Braun" <address@hidden> wrote:
>>
>> On 07/30/2014 03:59 AM, xianda wrote:
>>
>> Hi all:
>> I know a packet in the example tx_ofdm.grc include a preamble,a
>> header,the payload and crc value.Recently I have used the UHD API to
>> send packet.And I want to know whether the tx_ofdm.grc add
>> start_of_burst and end_of_burst automatically.Namely,need I add
>> start_of_burst at the beginning of every packet and add end_of_burst at
>> the end of every packet?
>>
>> usrp_sink understands tagged streams. So, the OFDM code does *not* add
>> EOB, but that doesn't matter if you have an up-to-date gr-uhd.
>>
>> M
>>
>>
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