| http://dbpedia.org/ontology/abstract
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Self-organized time-division multiple acce … Self-organized time-division multiple access (STDMA) is a channel access method designed by Håkan Lans, based on time-division multiplexing. The term "self-organized" describes the manner in which time slots are assigned to users. Time-division multiple access (TDMA) divides a channel into frames, which furthermore are subdivided into a vast number of time slots. Users transmit in rapid succession, one after the other, each using their own time slot. One of the drawbacks of TDMA is that it requires a central station for slot assignment and time synchronisation. STDMA proposes a method for assigning slots without the involvement of a central station. Time synchronisation is usually taken care of using Coordinated Universal Time (UTC). STDMA is in use by the Automatic Identification System (AIS), a standard marine short-range coastal tracking system, and is the base of the International Civil Aviation Organization VHF Data Link Mode 4. While the method was patented, a US patent ex-parte reexamination certificate was issued in 2010 canceling all claims.e was issued in 2010 canceling all claims.
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| http://dbpedia.org/ontology/wikiPageExternalLink
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http://www.dmoz.org/Computers/History/Pioneers/Lans%2C_H%C3%A5kan/ +
, http://www.gpc.se/ +
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19646250
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2032
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962453275
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http://dbpedia.org/resource/Coordinated_Universal_Time +
, http://dbpedia.org/resource/Time-division_multiplexing +
, http://dbpedia.org/resource/Automatic_Identification_System +
, http://dbpedia.org/resource/Time-division_multiple_access +
, http://dbpedia.org/resource/Category:Maritime_communication +
, http://dbpedia.org/resource/VHF_Data_Link +
, http://dbpedia.org/resource/United_States_Patent_and_Trademark_Office +
, http://dbpedia.org/resource/International_Civil_Aviation_Organization +
, http://dbpedia.org/resource/Frame_%28telecommunications%29 +
, http://dbpedia.org/resource/H%C3%A5kan_Lans +
, http://dbpedia.org/resource/Reexamination +
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| http://dbpedia.org/property/date
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June 2020
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| http://dbpedia.org/property/text
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a method
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http://dbpedia.org/resource/Template:Reflist +
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| http://purl.org/dc/terms/subject
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http://dbpedia.org/resource/Category:Maritime_communication +
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http://en.wikipedia.org/wiki/Self-organized_time-division_multiple_access?oldid=962453275&ns=0 +
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http://en.wikipedia.org/wiki/Self-organized_time-division_multiple_access +
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| rdfs:comment |
Self-organized time-division multiple acce … Self-organized time-division multiple access (STDMA) is a channel access method designed by Håkan Lans, based on time-division multiplexing. The term "self-organized" describes the manner in which time slots are assigned to users. Time-division multiple access (TDMA) divides a channel into frames, which furthermore are subdivided into a vast number of time slots. Users transmit in rapid succession, one after the other, each using their own time slot. One of the drawbacks of TDMA is that it requires a central station for slot assignment and time synchronisation. STDMA proposes a method for assigning slots without the involvement of a central station. Time synchronisation is usually taken care of using Coordinated Universal Time (UTC).of using Coordinated Universal Time (UTC).
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| rdfs:label |
Self-organized time-division multiple access
|
