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Link 16
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Link 16 : ウィキペディア英語版
Link 16
Link 16 is a military tactical data exchange network used by US, NATO and nations allowed by the MIDS International Program Office (IPO). Its specification is part of the family of Tactical Data Links.
With Link 16, military aircraft as well as ships and ground forces may exchange their tactical picture in near-real time. Link 16 also supports the exchange of text messages, imagery data and provides two channels of digital voice (2.4 kbit/s and/or 16 kbit/s in any combination). Link 16 is defined as one of the digital services of the JTIDS / MIDS in NATO's ''Standardization Agreement'' STANAG 5516. MIL-STD-6016 is the related United States Department of Defense Link 16 MIL-STD.
== Technical characteristics ==

Link 16 is a TDMA-based secure, jam-resistant, high-speed digital data link which operates in the radio frequency band 960–1,215 MHz, allocated in line with the ITU Radio Regulations to the ''aeronautical radionavigation'' service and to the ''radionavigation satellite'' service. This frequency range limits the exchange of information to users within line-of-sight of one another, although with satellite capabilities and adhoc protocols, it is nowadays possible to pass Link 16 data over long-haul protocols such as TCP/IP using MIL-STD 3011 (JREAP) or STANAG 5602 (SIMPLE). It uses the transmission characteristics and protocols, conventions, and fixed-length or variable length message formats defined by MIL-STD 6016, STANAG 5516 (formerly the JTIDS technical interface design plan). Information is typically passed at one of three data rates: 31.6, 57.6, or 115.2 kilobits per second, although the radios and waveform itself can support throughput values upwards of 238 kbit/s.
Link 16 information is primarily coded in J.-series messages which are binary data words with well-defined meanings. These data words are grouped in ''functional areas'', and allocated to ''network participation groups'' (NPG) (virtual networks), most importantly:
* ''PPLI'', or Precise Participant Location and Identification (network participation groups 5 and 6),
* ''Surveillance'' (network participation group 7),
* ''Command (Mission Management/Weapons Coordination)'' (network participation group 8),
* ''(Aircraft) Control'' (network participation group 9),
* ''Electronic Warfare & Coordination'' (network participation group 10).

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Link 16」の詳細全文を読む



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