# Implementation of ARQ on gnuradio

**URL:** <https://www.ruby-forum.com/t/implementation-of-arq-on-gnuradio/224939>\
**Category:** GNU Radio\
**Created:** [December 3, 2012, 11:25pm UTC](https://www.ruby-forum.com/t/implementation-of-arq-on-gnuradio/224939 "2012-12-03T23:25:31Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![aris](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/258eb7/32.png) [@aris](https://www.ruby-forum.com/u/aris)\
**Post date:** [December 3, 2012, 11:25pm UTC](https://www.ruby-forum.com/t/implementation-of-arq-on-gnuradio/224939/1 "2012-12-03T23:25:31Z")

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Hi, Guys,  
I notice there is a lot of implementation of ARQ on gnuradio, like  
[Re: [Discuss-gnuradio] MAC layer development and USRP2](http://lists.gnu.org/archive/html/discuss-gnuradio/2010-04/msg00048.html)  
[[Discuss-gnuradio] Data transmission in bursts using uhd](http://lists.gnu.org/archive/html/discuss-gnuradio/2010-11/msg00498.html)  
[[Discuss-gnuradio] Anyone successfull on Transciever Function of RFX2400](http://lists.gnu.org/archive/html/discuss-gnuradio/2007-03/msg00535.html)  
academic.csuohio.edu/yuc/mobile/sai.pdf

I am working on writing a ARQ on uhd interface.  
I wonder if there are open sources code about ARQ on previous version  
of gnuradio. Or some friends are willing to share the codes. So I can  
upgrade it to uhd version.  
Thanks.

=================================  
Xiangwei Zheng  
Research Assistant  
ECE Department, Virginia Tech  
Office: Durham Hall 365  
Tel: 540-553-6235

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**Author:** ![zhengxiangwei](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/z/7bcc69/32.png) [@zhengxiangwei](https://www.ruby-forum.com/u/zhengxiangwei)\
**Post date:** [December 3, 2012, 11:34pm UTC](https://www.ruby-forum.com/t/implementation-of-arq-on-gnuradio/224939/2 "2012-12-03T23:34:17Z")

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Here’s a little info on a simple ARQ implementation. Moritz create a  
nice  
sliding window ARQ that I have not merged yet.

[![]( " - YouTube") ](https://www.youtube.com/watch?v=aekzp_szcLw)

[![]( " - YouTube") ](https://www.youtube.com/watch?v=aekzp_szcLw)

-John

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**Author:** ![zhengxiangwei](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/z/7bcc69/32.png) [@zhengxiangwei](https://www.ruby-forum.com/u/zhengxiangwei)\
**Post date:** [December 3, 2012, 11:41pm UTC](https://www.ruby-forum.com/t/implementation-of-arq-on-gnuradio/224939/3 "2012-12-03T23:41:53Z")

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Sorry, corrected links:

[![](https://img.youtube.com/vi/pF_4dFQHAZE/maxresdefault.jpg "gr-hackfest RAW: gr-easyMAC (formerly pre-cog)") ](https://www.youtube.com/watch?v=pF_4dFQHAZE)

[![](https://img.youtube.com/vi/f8emQ-TvD90/maxresdefault.jpg "Introduction to Precog - Building Your First Radio") ](https://www.youtube.com/watch?v=f8emQ-TvD90)

-John