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About This Item
Full Description
The International Standard provides protocols and parameters for medium range and medium to high speed wireless communications in the ITS sector using infrared systems.
Such links are required for quasi-continuous, prolonged, or short communications between the following:
- vehicles and the roadside;
- between vehicles;
- between mobile equipment and fixed infrastructure points;
- over medium and long ranges.
Wherever practicable, this International Standard has been developed by reference to suitable extant International Standards, adopted by selection. Required regional variations are provided.
Due account is given to, and made use of, any relevant parts of appropriate communications systems such as Global Positioning Systems (GPS), Digital Audio Broadcasting (DAB), Digital Video Broadcasting (DVB), Radio Local Area Networks (RLANs), Digital Data Broadcasting (DDB), TETRA, FM subcarrier, Mobile Broadband Systems (MBS, W-ATM), Internet Protocols, and DSRC.
This International Standard
- supports data rates of 1 Mbit/s up to 128 Mbit/s (it may also support higher data rates),
- supports vehicle speeds to a minimum of 200 km/h (closing speeds could be double this value),
- defines or reference environmental parameters relevant to link operation,
- supports communication distances to 100 m (it may also support longer communication distances of 300 m to 1 000 m),
- supports latencies and communication delays in the order of milliseconds,
- is compliant to regional/national regulatory parameters, and
- may support other regional/national parameters, as applicable.
Application specific upper layers are not included in this International Standard but will be driven by application standards (which may not be technology specific).
Cross References:
ISO/IEC 8802-11:1999
IEC 60825-1
ISO 21217
ISO 21210
ISO 21218
IEC 60050:1987
IEC 60050
IEC 60825?12
All current amendments available at time of purchase are included with the purchase of this document.
Document History
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BS ISO 21214:2015
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Intelligent transport systems. Communications access for land mobiles (CALM). Infra-red systems- Most Recent
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BS 11/30232893 DC
BS ISO 21214. Intelligent transport systems. Communications access for land mobiles (CALM). Infra-red systems- Historical Version
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BS ISO 21214:2006
Intelligent transport systems. Continuous air interface, long and medium range (CALM). Infra-red systems- Historical Version