PDT Standard

PDT (short for Professional Digital Trunking or Police Digital Trunking) is an open industry standard for trunked radio system in China servicing police wireless communications and professional mobile radio.[1] The standard is being maintained by the Professional Digital Trunking System Industry Association, an association of major vendors of wireless communications equipment in China. The association was formed with the help from Information and Communications Bureau of the Ministry of Public Security.[2][3] The standard was used to facilitate the digital transformation of the Ministry's existing MPT analogue trunking system.[2] Government policy supporting this domestic standard had led to the abolishment of previous GA/T industry standards based on the European TETRA standard.[3]

The initial major contributor of the standard were Hytera Communications and Vigor Communications(WANGE). Vigor was also the first enterprise to produce PDT two-way radio products.

Features

Features of PDT system:

  • All-IP architecture; independent control and carrier; independent call processing and service switching; easy to develop new applications.
  • Various networking modes; flexible and convenient networking; highly scalable.
  • Distributed system architecture; multi-layered fault mitigation design; high reliability and efficiency.
  • Hardware platform built with universal devices such as switches and routers; mature technologies and low costs.
  • Module-based design; customizable system functions.
  • Based on the universal SNMP network management standard; easy to manage and maintain.
  • The core network is interoperable with different systems such as DMR (Digital Mobile Radio) and Tetra (Terrestrial Trunked Radio).
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References
  1. Wendelken, Sandra. "China's Hytera Sees Strong Global Growth for PDT" (PDF). China’s Trunking Strategy. Archived from the original (PDF) on 2017-04-19. Retrieved 2017-06-14. PDT is an open Chinese digital trunking standard that is extremely cost competitive
  2. "PDT Introduction". Professional Digital Trunking System Industry Association. Retrieved 2017-06-14.
  3. Zeng, Qing-An (2015). "Wireless Communications, Networking and Applications: Proceedings of WCNA 2014". Springer. pp. 179–180. ISBN 9788132225805. Retrieved 2017-06-14.


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