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How to troubleshoot network delay

asked 2013-06-24 17:21:57 -0600

Robin Hu gravatar image

updated 2016-10-24 09:10:59 -0600

ngrennan gravatar image

My robot sends kinect XYZ and RGB data to PC through wifi. The amount of data for each frame is about 700KB, but I can only send 3 frames every second. If I send more frame , the network will be delay heavily. Is this normal?

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answered 2013-06-25 11:26:52 -0600

Philip gravatar image

Assuming wlan standard 802.11b, the maximal bandwith is 11 MBit/s = 1,375 MByte/s. If one kinect frame amounts to 700kBytes, 2 fps would be the upper max. Using wlan standard 802.11g, 22 MBit/s = 2,75 MByte/s = 4fps would be realistic. So I would say that your 3 fps seem to be normal, yes.

depending on your scenario, you could try to separate data acquisition and processing: send only the raw data (rgb, depth map) over the network and assemble the full XYZRGB point cloud at the receivers end.

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Think you very much , I will try it!

Robin Hu gravatar imageRobin Hu ( 2013-06-25 15:46:41 -0600 )edit

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Asked: 2013-06-24 17:21:57 -0600

Seen: 163 times

Last updated: Jun 25 '13