Information control method and communications device for transmitting time-related information
An information control method and a communications device are provided. The method includes: obtaining first information; and executing at least one of the following operations: determining a first delay according to the first information; determining a second delay according to the first information; determining delay requirement information according to the first information; sending the delay requirement information to a network element in a communications network; sending bridge delay information to a third-party network or a third-party application; executing a first operation when it is determined that a first condition is met; and executing a second operation when it is determined that a second condition is met, where the first information includes at least one of the following: first time information, second time information, clock information of a first clock, and clock information of a second clock.
1. An information control method, performed by a first communications device, wherein the method comprises:
adjusting first time information to second time information according to information about a clock difference between a first clock and a second clock, wherein the first time information is time-related information based on the first clock, and the second time information is time-related information based on the second clock; and
sending first information, wherein
the first information comprises at least one of the following: the first time information, wherein the first time information comprises at least one of the following: a first User Equipment (UE)-Device-Side Time-Sensitive Network Translator (Device-Side TSN Translator (DS-TT)) residence time, or a first Packet Delay Budget (PDB).
2. The method according to claim 1 , wherein the first time information comprises a first delay.
3. The method according to claim 2 , wherein the first information further comprises the second time information, wherein the second time information comprises at least one of the following: a second UE-DS-TT residence time, a second PDB, or a second delay; and
the adjusting first time information to second time information comprises at least one of the following:
adjusting the first UE-DS-TT residence time to the second UE-DS-TT residence time;
adjusting the first PDB to the second PDB; or
adjusting the first delay to the second delay.
4. The method according to claim 1 , wherein the first information further comprises the clock information of the first clock or the second clock, wherein the clock information comprises at least one of the following: clock type information, time domain identifier information corresponding to a clock, or clock frequency information.
5. The method according to claim 4 , wherein the clock type information comprises at least one of the following:
a type of a communications network clock or a type of a communications network external clock.
6. The method according to claim 5 , wherein the type of the communications network clock is a 5G clock, and the type of the communications network external clock is a Time-Sensitive Network (TSN) clock.
7. The method according to claim 1 , wherein the sending first information comprises:
sending the first information to at least one of the following:
an Access Function (AF), a Policy Control Function (PCF), a Session Management Function (SMF), an Access Mobility Management (AMF), or a terminal.
8. An information control method, performed by a second communications device, wherein the second communications device comprises a core network element, wherein the core network element is different from a Policy Control Function (PCF), wherein the method comprises:
obtaining first time information, wherein the first time information comprises at least one of the following:
a first User Equipment (UE)-Device-Side Time-Sensitive Network Translator (Device-Side TSN Translator (DS-TT)) residence time, a first bridge delay, or a first Packet Delay Budget (PDB); and
executing at least one of the following operations:
determining a PDB-related delay according to the first UE-DS-TT residence time and the first bridge delay;
determining the PDB-related delay according to the first PDB obtained by the second communications device, wherein the first PDB is locally configured; and
sending the PDB-related delay to a control network element responsible for Quality of Service (QoS) mapping of a communications network;
wherein the PDB-related delay is used to map a PDB of the communications network,
wherein the first PDB is a time taken to forward a packet between a UE and the communications network, and
wherein the first PDB comprises the residence time of a User Plane Function (UPF) and a Network-Side Time-Sensitive Network Translator (Network-Side TSN Translator (NW-TT)).
9. The method according to claim 8 , wherein determining the PDB-related delay according to the first UE-DS-TT residence time and the first bridge delay further comprises:
determining the PDB-related delay according to the first bridge delay minus the first UE-DS-TT residence time.
10. The method according to claim 8 , wherein the control network element responsible for QoS mapping of the communication network is the PCF, or the core network element comprises one of the following: an Access Function (AF), or a Session Management Function (SMF).
11. An information control method, performed by a fourth communications device, wherein the method comprises:
obtaining delay requirement information and a User Equipment (UE)-Device-Side Time-Sensitive Network Translator (UE-Device-Side TSN Translator (UE-DS-TT)) residence time; and
executing at least one of the following according to the delay requirement information and the UE-DS-TT residence time: determining a Packet Delay Budget (PDB)-related delay, or mapping a communications network quality of service QoS.
12. The method according to claim 11 , wherein the delay requirement information is one of the following: a bridge delay or a PDB-related delay.