1815-5928 1815-5928 S1815-59282020000100073 Cuba 00 04 2020 00 04 2020 41 1 73 88

1 International Telecommunication Union 2016 2 Chinese National Standard - Framing Structure 2006 3 2013 15 4 4 1924-49 4 2017 1-4 5 2018 6 2011 Wuhan, China 7 2015 1-5 8 2011 Istanbul, Turkey 9 2013 59 1 1 183-7 10 2013 51-8 11 2014 60 3 3 474-85 12 2015 1-6 13 2012 10 4 4 1881-8 14 2018 1-5 15 2017 63 1 1 250-9 16 2012 58 4 4 629-36 17 2014 56 6 6 123-41 18 2010 Shanghai, China 1-6 19 2011 Shanghai, China 322-6 20 2013 12 1 1 21 2009 Bilbao, Spain 1-5 22 2012 1-5 23 2010 56 3 3 331-9 24 2011 1-6 25 2016 1-4 26 2017 1-5 27 2018 16 3 3 754-63 28 2009 29 2015 1-5 30 2010 56 1 1 1-8 31 2014 381-6 32 2010 56 4 4 441-51 33 2017 Kazan, Russia 1-3 34 2014 60 2 2 272-86 35 2017 85-8 36 MINCOM 2018 37 2007 53 1 1 1-7