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Database: 189759 (26 Oct 2025)
YD/T 3851-2021 English PDF
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Standard Title (Description)
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YD/T 3851-2021
English
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(LTE-based trunking communication (B-TC) system (second stage) interface technology requires terminal-to-core network interface technology)
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YD/T 3851-2021
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Basic data
Standard ID
YD/T 3851-2021 (YD/T3851-2021)
Description (Translated English)
(LTE-based trunking communication (B-TC) system (second stage) interface technology requires terminal-to-core network interface technology)
Sector / Industry
Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard
M36
Classification of International Standard
33.060
Date of Issue
2021
Date of Implementation
2021-04-01
Regulation (derived from)
Ministry of Industry and Information Technology Announcement No. 6 of 2021
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the technical requirements for the terminal to cluster core network interface of the Broadband Trunking Communication (B-TrunC) system (second phase) based on LTE technology, including the interface model, TSM state machine, EMM cluster enhancement, TSM signaling process, NAS signaling message format, NAS signaling unit, NAS signaling message transmission, timer, etc. This standard applies to terminals and cluster core network equipment of the Broadband Trunking Communication (B-TrunC) system (second phase) based on LTE technology.
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