{"id":2433,"date":"2011-06-05T20:55:06","date_gmt":"2011-06-05T18:55:06","guid":{"rendered":"http:\/\/www.gsm-modem.de\/M2M\/?p=2433"},"modified":"2011-06-07T21:50:13","modified_gmt":"2011-06-07T19:50:13","slug":"en-300-328-v1-8-1-end-of-804-15","status":"publish","type":"post","link":"http:\/\/www.gsm-modem.de\/M2M\/m2m-news\/en-300-328-v1-8-1-end-of-804-15\/","title":{"rendered":"EN 300 328 V1.8.1 the end of 802.15.4 ?"},"content":{"rendered":"<h2>Is EN 300 328 V1.8.1 the end of ZigBee, Z-Wave and all other radio protocols riding on 802.15.4?<\/h2>\n<p>Does it mean, that we all will deinstall our 804.15.4 based ISM devices? <span id=\"result_box\" lang=\"en\"><span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">IEEE<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">802.15.4<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">divides<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">the<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">2.4<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">GHz<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">band<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">into<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">15<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">channels<\/span><span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">.<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">ETSI<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">Draft<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">1.8.1<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">requires<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">that<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">a radio<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">system<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">must<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">use<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">at least<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">15<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">channels<\/span><span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">.<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">Now, if<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">one<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">is<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">disturbed<\/span><span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">, it must<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">be<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">kept<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">for long periods<\/span><span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">.<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">Now if<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">only<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">provides for<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">a<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">wireless standard<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">15 channels<\/span><span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">,<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">and<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">release<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">even<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">a<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">must<\/span><span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">,<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">it<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">falls below<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">the minimum<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">number of channels. <\/span><\/span><span id=\"result_box\" lang=\"en\"><span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">As a<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">result<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">of<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">such a<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">radio<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">technology<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">in 2015<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">are no longer<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">permitted by the Federal<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">Network Agency<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">and<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">by a<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">user<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">can<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">no longer<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">be<\/span> <span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">used<\/span><span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">.<br \/>\nAre you aware that Google\u00c2\u00b4s Open Source radio protocol on 6LoWPAN will support frequency hopping?<br \/>\n<\/span><\/span><\/p>\n<h3><span id=\"result_box\" lang=\"en\"><span title=\"Zur Anzeige alternativer \u00c3\u0153bersetzungen klicken\">Text out of <\/span><\/span>ETSI ERM TG11 #23 Meeting<\/h3>\n<h3>Channel Access Mechanism (CAM)<\/h3>\n<p>It  was decided that TG11 members should now concentrate and prepare  contributions on the CAM rather than to continuing influencing the MU  formula and it\u00e2\u20ac\u2122s limit.<\/p>\n<h3>Duty cycle for hoppers<\/h3>\n<p>Changes on the  observation time for adaptive systems (from 1s to 40s -&gt; this means  1s for non-hoppers and 40s for hoppers). The observation time should be  different to the non-adaptive. The revision of the duty cycle section is  to be done offline (by correspondence). The objective is to cover duty  cycle and TX-on\/TX-off times in this section. The terms TX-on\/TX-off  should not be used.<\/p>\n<h3>Hopping frequency separation<\/h3>\n<p>Reduce the separation (0.1MHz) in order to make use of the gaps between channels. This is only for adaptive systems.<\/p>\n<h3>Adaptive Frequency Hopping<\/h3>\n<p>Many  questions about how to treat that equipment which falls below the MU  threshold.  The question is what happens with the adaptive systems when  going below the [10%] (should it remain adaptive?). Adaptive Frequency  Hopping with DAA (Detect and Avoid),<\/p>\n<h3>Adaptive Frequency Hopping with Blacklisting<\/h3>\n<p>For further review.<\/p>\n<p>Source: <a rel=\"nofollow\" href=\"https:\/\/mentor.ieee.org\/802.11\/dcn\/10\/11-10-0024-00-0reg-summary-of-etsi-erm-tg11-23-meeting.ppt\" target=\"_blank\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.xing.com\/img\/n\/outlink.gif\" border=\"0\" alt=\"\" width=\"13\" height=\"10\" \/><\/a><a rel=\"nofollow\" href=\"https:\/\/mentor.ieee.org\/802.11\/dcn\/10\/11-10-0024-00-0reg-summary-of-etsi-erm-tg11-23-meeting.ppt\" target=\"_blank\">https:\/\/mentor.ieee.org\/802.11\/dcn\/10\/11-10-0024-00-0reg-sum&#8230;<\/a><\/p>\n<div class=\"shariff shariff-align-left shariff-widget-align-left\"><ul class=\"shariff-buttons theme-default orientation-horizontal buttonsize-small\"><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=http%3A%2F%2Fwww.gsm-modem.de%2FM2M%2Fm2m-news%2Fen-300-328-v1-8-1-end-of-804-15%2F&text=EN%20300%20328%20V1.8.1%20the%20end%20of%20802.15.4%20%3F\" title=\"Share on X\" aria-label=\"Share on X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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Does it mean, that we all will deinstall our 804.15.4 based ISM devices? IEEE 802.15.4 divides the 2.4 GHz band into 15 channels. ETSI Draft 1.8.1 requires that a radio system must use at least 15 channels. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[5],"tags":[41,42,26],"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/posts\/2433"}],"collection":[{"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/comments?post=2433"}],"version-history":[{"count":6,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/posts\/2433\/revisions"}],"predecessor-version":[{"id":2464,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/posts\/2433\/revisions\/2464"}],"wp:attachment":[{"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/media?parent=2433"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/categories?post=2433"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.gsm-modem.de\/M2M\/wp-json\/wp\/v2\/tags?post=2433"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}