M00000463
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ISO/IEC 24730-62 1st Edition, September 1, 2013 Information technology - Real time locating systems (RTLS) - Part 62: High rate pulse repetition frequency Ultra Wide Band (UWB) air interface
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Availability date: 07/13/2021
Description / Abstract:
This part of ISO/IEC 24730 defines the air-interface for real
time locating systems (RTLS) using a physical layer Ultra Wide Band
(UWB) signalling mechanism (based on IEEE 802.15.4a UWB). This
modulation scheme employs high rate pulse repetition frequencies
(PRF) 16 MHz or 64 MHz, and a combination of burst position
modulation (BPM) and binary phase-shift keying (BPSK) giving an
extremely high level of performance with a fully coherent
receiver.
In addition to defining the air interface protocol (AIP) in
terms of the physical layer modulation, this part of ISO/IEC 24730
also defines the AIP in terms of the messages sent over the air.
This AIP supports simple oneway communication of a basic blink that
may be used for a one-way Time Difference of Arrival (TDOA) based
RTLS, where mobile tags periodically transmit the blink message
which is received by an infrastructure consisting of a number of
fixed reader nodes.
This AIP also optionally supports bidirectional communication
and two-way ranging between the readers and tags of an RTLS. The
support of two-way ranging depends on additionally including a UWB
receiver in the tag and UWB transmitters in the reader
infrastructure.
The mandatory default operational mode ensures interoperability
between tags and infrastructure from various manufacturers, while
the availability of several options offers flexibility to the
developer of the infrastructure to adapt the behaviour of the
overall system to the specific needs of his application.