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Now that Fountain Code patents have started to expire, hopefully they'll start to be incorporated in applications like these. Most recently this one [0] expired
by vardump 7y ago
Now that Fountain Code patents have started to expire, hopefully they'll start to be incorporated in applications like these. Most recently this one [0] expired today, on June 11th!
With fountain codes [1], you could decode the correct encoded message after receiving a certain number of any randomly generated sub-messages. The number of required sub-messages depends on the original encoding parameters. This encoding is great for very lossy one-way channels.
[0]: https://patents.google.com/patent/US6307487B1/en https://patents.google.com/patent/US6307487B1/en
[1]: https://en.wikipedia.org/wiki/Fountain_code https://en.wikipedia.org/wiki/Fountain_code
- seaish 7y agoThis expired in February. Google Patents puts the current status as today's date, so it looks like this happened today but it did not.
- vardump 7y agoOh, good catch! That's pretty misleading. Especially because I was expecting it to be expired this year, but didn't remember when exactly.
- brohee 7y agoRFC 6330 (RaptorQ) is covered until 2030 sadly... https://datatracker.ietf.org/ipr/2554/ https://datatracker.ietf.org/ipr/2554/ https://patents.google.com/patent/US20110299629/en https://patents.google.com/patent/US20110299629/en