Question about 802.11 wireless networks
Does anyone know what the standard packet length is, its really hard to explain why i need to know, but it comes down to i need to know how long the shortest transmit cycle is. Even better would be if somone could point me to a page with this information on it.
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http://www.sss-mag.com/pdf/802_11tut.pdf
I don't think you mean 802.11, though. The actual specification for 802.11 and it's actually useful derivatives are available from IEEE.org. |
the420star,
Can you provide a more accurate description of what exactly you need to know. There's no such thing as a standard packet size when talking about 802.11 networks. Packets is the term used to refer to IP and is associated with the Network Layer. IP packets can be of varying size (the maximum "normal" size being 1512) - check out http://www.cisco.com/warp/public/105/38.shtml 802.11 standards refer to the Data Layer. Information in this layer is sent in frames. Check out the two following white papers. They may be of some help. A Technical Tutorial on the 802.11 standards - http://www.sss-mag.com/pdf/802_11tut.pdf Wireless Local Area Networks and the 802.11 Standards - http://www.cisco.com/warp/public/784...whitepaper.pdf You may also want to check out the following web-site on Ethernet frame types: http://www.neurobit.com/ethernet_frame_types.htm Mr Mephisto |
Checking my Networking notes, an 802.11 frame is 2346 bytes total maximum (including headers and trailers). The frame body is 2312 byes max
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I use 802.11 BG network on Intel PRO wireless 802.11 BG card . You can learn more about these networks at http://www.homenethelp.com/802.11b/index.asp
What do you mean by packets? I am not an expert at this, but I think that the size of the packets can vary. It depends on the information that is being sent or received. |
I found this:
http://www.faqs.org/rfcs/rfc894.html :confused: http://www.ieee.org/portal/site/main...sl=generic.xsl :thumbsup: |
The first of HogansGoat's links has the information originally asked for since 802.11 is essentially about the wireless implementation of 802.3.
"The minimum length of the data field of a packet sent over an Ethernet is 46 octets." "The [maximum] length of the data field of a packet sent over an Ethernet is 1500 octets." |
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