Positioning measurement window indication method, terminal, and network side device
A positioning measurement window indication method, a terminal, and a network side device are provided. The method includes: receiving, by a terminal, first indication information. The first indication information is used to trigger, activate, or configure a positioning measurement window, the first indication information is used to cancel triggering, activation, or configuration of a positioning measurement window, or the first indication information is used to update positioning measurement window configuration. The method further includes performing a positioning behavior based on the first indication information.
1 . A positioning measurement window indication method, comprising:
receiving, by a terminal, first indication information,
wherein:
the first indication information is used to activate a positioning measurement window, wherein the positioning measurement window comprises a Measurement Gap (MG), and the first indication information is carried in activation signaling, wherein a MG configuration is indicated in the activation signaling; and
performing a positioning behavior based on the first indication information.
2 . The positioning measurement window indication method according to claim 1 , wherein the performing a positioning behavior based on the first indication information comprises:
in a case in which the first indication information indicates that the positioning measurement window is activated, performing Positioning Reference Signal (PRS) measurement in the positioning measurement window indicated by the first indication information.
3 . The positioning measurement window indication method according to claim 1 , wherein before receiving, by the terminal, the first indication information, the method further comprises:
sending first request information, wherein the first request information is used to assist a network side device in activating a positioning measurement window.
4 . The positioning measurement window indication method according to claim 3 , wherein the first request information comprises at least one of the following:
a request flag of the positioning measurement window;
a type of the positioning measurement window;
a serving cell indication associated with timing information of the requested positioning measurement window;
identification information of a Positioning Frequency Layer (PFL) associated with the positioning measurement window;
a frequency associated with the positioning measurement window;
identification information of the positioning measurement window;
a relative offset of a start location of the positioning measurement window;
absolute time of a start location of the positioning measurement window;
a quantity of positioning measurement window occasions;
a gap between the positioning measurement window occasions;
PRS configuration information; or
Bandwidth Part (BWP) configuration information.
5 . The positioning measurement window indication method according to claim 4 , wherein the relative offset of the start location of the positioning measurement window comprises at least one of the following:
an offset of the start location of the positioning measurement window relative to a start location of a PRS sent by a serving cell;
an offset of the start location of the positioning measurement window relative to a start location of a PRS window;
an offset of the start location of the positioning measurement window relative to received Downlink Control Information (DCI) used to trigger the PRS;
an offset of the start location of the positioning measurement window relative to a pre-configured location associated with the PRS; or
an offset of the start location of the positioning measurement window relative to a system frame number 0 of the serving cell.
6 . The positioning measurement window indication method according to claim 3 , wherein the sending first request information comprises: sending the first request information in a case in which a first timer runs or expires, wherein a start moment of the first timer comprises one of the following:
a moment for determining that the PRS configuration information is obtained;
a moment for receiving the PRS configuration information;
a moment for completing parsing of the PRS configuration information;
a moment for determining positioning information request signaling;
a moment for receiving the positioning information request signaling; or
a moment at which a positioning information request or PRS configuration takes effect.
7 . The positioning measurement window indication method according to claim 1 , wherein the first indication information is received at a moment outside the positioning measurement window.
8 . The positioning measurement window indication method according to claim 1 , further comprising: performing, by the terminal, a positioning behavior based on MG preconfiguration information and the first indication information.
9 . The positioning measurement window indication method according to claim 8 , wherein the MG preconfiguration information comprises a plurality of MG configurations, wherein each MG configuration corresponds to one MG configuration ID.
10 . The positioning measurement window indication method according to claim 1 , wherein before receiving the first indication information, the method further comprises:
receiving MG preconfiguration information, comprising at least one of the following:
a relative offset of an MG start location,
an MG period,
MG identification information,
an MG type,
a serving cell indication associated with MG timing,
an MG occasion length or an MG length,
the quantity of MG occasions,
a gap between the MG occasions,
MG timing advance (TA), or
MG usage.
11 . The positioning measurement window indication method according to claim 1 , further comprising receiving MG deactivation signaling, wherein the MG deactivation signaling comprises at least one of the following:
MG identification information, or
a deactivation identifier.
12 . A positioning measurement window indication method, comprising:
sending, by a network side device, first indication information,
wherein:
the first indication information is used to activate a positioning measurement window, wherein the positioning measurement window comprises a Measurement Gap (MG), and the first indication information is carried in activation signaling, wherein a MG configuration is indicated in the activation signaling.
13 . The positioning measurement window indication method according to claim 12 , wherein the activation signaling is carried in Media Access Control-Control Element (MAC CE).
14 . The positioning measurement window indication method according to claim 12 , wherein before sending, by the network side device, the first indication information, the method further comprises:
receiving first request information, wherein the first request information is used to assist the network side device in activating a positioning measurement window.
15 . The positioning measurement window indication method according to claim 14 , wherein the first request information comprises at least one of the following:
a request flag of the positioning measurement window;
a type of the positioning measurement window;
a serving cell indication associated with timing information of the requested positioning measurement window;
identification information of a Positioning Frequency Layer (PFL) associated with the positioning measurement window;
a frequency associated with the positioning measurement window;
identification information of the positioning measurement window;
a relative offset of a start location of the positioning measurement window;
absolute time of a start location of the positioning measurement window;
a quantity of positioning measurement window occasions;
a gap between the positioning measurement window occasions;
PRS configuration information; or
Bandwidth Part (BWP) configuration information.
16 . The positioning measurement window indication method according to claim 15 , wherein the relative offset of the start location of the positioning measurement window comprises at least one of the following:
an offset of the start location of the positioning measurement window relative to a start location of a PRS sent by a serving cell;
an offset of the start location of the positioning measurement window relative to a start location of a PRS window;
an offset of the start location of the positioning measurement window relative to received Downlink Control Information (DCI) used to trigger the PRS;
an offset of the start location of the positioning measurement window relative to a pre-configured location associated with the PRS; or
an offset of the start location of the positioning measurement window relative to a system frame number 0 of the serving cell.
17 . A terminal, comprising a processor; a memory having a computer program or an instruction stored thereon, wherein the computer program or the instruction, when executed by the processor, causes the processor to perform a positioning measurement window indication method, comprising:
receiving first indication information,
wherein:
the first indication information is used to activate a positioning measurement window, wherein the positioning measurement window comprises a Measurement Gap (MG), and the first indication information is carried in activation signaling, wherein a MG configuration is indicated in the activation signaling; and
performing a positioning behavior based on the first indication information.
18 . The positioning measurement window indication method according to claim 1 , wherein the activation signaling is carried in Media Access Control-Control Element (MAC CE).