[SGVLUG] Algebraic wifi

Doug Vargas dougvargas at sbcglobal.net
Tue Oct 23 19:06:35 PDT 2012


Interesting, sometimes the pieces don't fall into place for a while I guess. The article did mention the problems on wireless networks without packet loss but those seem to be a rarity, although I'm certainly not an expert on the data link layer by any means...

Braddock Gaskill <braddock at braddock.com> wrote:

>
>On Tue, 23 Oct 2012 17:01:57 -0700, Doug Vargas <dougvargas at sbcglobal.net>
>wrote:
>> Saw this via slashdot, the speed ups are simply mind blowing, it'll be
>> fascinating to learn more about the math used to compute the packets -
>sort
>> of like an equational hash sum?
>
>Look into FEC error correction coding and specifically error erasure
>coding.  This stuff has been around since WWII, and I've frankly been
>mystified why it hasn't been applied to Wifi on the packet level since my
>first sketchy wireless coffee shop link 15 years ago.
>It does incur latency and throughput overhead on networks without loss.
>
>-braddock
>
>>
>http://www.extremetech.com/computing/138424-increasing-wireless-network-speed-by-1000-by-replacing-packets-with-algebra
>


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