Re: [Discuss-gnuradio] tx_ofdm.grc start_of_burst end_of_burst

2014-07-30 Thread Martin Braun
But you don't *need* it, either. So, don't add EOB if you're using a
current GNU Radio.

M

On 07/30/2014 06:24 PM, Marcus Müller wrote:
> Hi Xianda,
> as Martin said:
>> So, the OFDM code does *not* add EOB
> 
> Greetings,
> Marcus
> 
> On 30.07.2014 18:06, xianda wrote:
>>
>> 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"  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"  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"  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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Re: [Discuss-gnuradio] tx_ofdm.grc start_of_burst end_of_burst

2014-07-30 Thread Marcus Müller
Hi Xianda,
as Martin said:
> So, the OFDM code does *not* add EOB

Greetings,
Marcus

On 30.07.2014 18:06, xianda wrote:
>
>
> 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"  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"  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"  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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>>>
>>>
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Re: [Discuss-gnuradio] tx_ofdm.grc start_of_burst end_of_burst

2014-07-30 Thread xianda



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"  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"  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"  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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>>
>>
>>
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>>
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Re: [Discuss-gnuradio] tx_ofdm.grc start_of_burst end_of_burst

2014-07-30 Thread Marcus Müller
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"  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"  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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>
>
>
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Re: [Discuss-gnuradio] tx_ofdm.grc start_of_burst end_of_burst

2014-07-30 Thread xianda


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"  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"  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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Re: [Discuss-gnuradio] tx_ofdm.grc start_of_burst end_of_burst

2014-07-30 Thread Marcus Müller
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"  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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>>
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Re: [Discuss-gnuradio] tx_ofdm.grc start_of_burst end_of_burst

2014-07-30 Thread xianda
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"  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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Re: [Discuss-gnuradio] tx_ofdm.grc start_of_burst end_of_burst

2014-07-30 Thread Martin Braun
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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