Systems and methods for indicating positioning information in wireless communication systems
Systems and methods for indicating positioning information in wireless communication systems are disclosed. In one aspect, a method includes receiving, by a wireless communication device from a network, network timing error information; and reporting, by the wireless communication device to the network, downlink measurement results and User Equipment (UE) timing error information, wherein, the network timing error information comprises at least one of Transmission and Reception Point (TRP) transmission Timing Error Group (TEG) information and TRP reception TEG information; the UE timing error information comprises at least one of UE transmission TEG information and UE reception TEG information.
1 . A wireless communication method, comprising:
receiving, by a wireless communication device from a network, Transmission and Reception Point (TRP) transmission Timing Error Group (TEG) information; and
reporting, by the wireless communication device to the network, downlink measurement results, one or more reference TRPs, and User Equipment (UE) reception TEG information, wherein the downlink measurement results are reported through a number of groups, and downlink measurement results in each of the group are determined relative to a respective one of the one or more reference TRPs and respective one of the one or more UE reception TEG information; and
reporting, by the wireless communication device to the network, whether downlink measurement results derived using the reference TRP and a candidate TRP pair belong to a same UE reception TEG as downlink measurement results of the reference TRP.
2 . The wireless communication method of claim 1 , wherein:
the TRP transmission TEG information comprises at least one of a TRP transmission TEG identifier (ID), a first Positioning Reference Signal (PRS) resource ID, or first PRS resource set ID;
and
the UE reception TEG information comprises a UE reception TEG ID, second PRS resource ID, or second PRS resource set ID.
3 . The wireless communication method of claim 1 , comprising determining, by the wireless communication device, the UE reception TEG information according to the TRP transmission TEG information.
4 . The wireless communication method of claim 3 , further comprising determining, by the wireless communication device, downlink measurement result associated with the UE reception TEG information having a same ID as the TRP transmission TEG information, wherein the downlink measurement results are derived from downlink reference signal resources associated with the TRP transmission TEG information.
5 . A wireless communication device, comprising:
at least one processor configured to:
receive, via a transceiver from a network, Transmission and Reception Point (TRP) transmission Timing Error Group (TEG) information;
report, via the transceiver to the network, downlink measurement results, one or more reference TRPs, and User Equipment (UE) reception TEG information, wherein the downlink measurement results are reported through a number of groups, and downlink measurement results in each of the group are determined relative to a respective one of the one or more reference TRPs and respective one of the one or more UE reception TEG information; and
report, via the transceiver to the network, whether downlink measurement results derived using the reference TRP and a candidate TRP pair belong to a same UE reception TEG as downlink measurement results of the reference TRP.
6 . The wireless communication device of claim 5 , wherein:
the TRP transmission TEG information comprises at least one of a TRP transmission TEG identifier (ID), a first Positioning Reference Signal (PRS) resource ID, or first PRS resource set ID;
and
the UE reception TEG information comprises a UE reception TEG ID, second PRS resource ID, or second PRS resource set ID.
7 . The wireless communication device of claim 5 , wherein the at least one processor configured to determine the UE reception TEG information according to the TRP transmission TEG information.
8 . The wireless communication device of claim 7 , wherein the at least one processor configured to determine downlink measurement result associated with the UE reception TEG information having a same ID as the TRP transmission TEG information, wherein the downlink measurement results are derived from downlink reference signal resources associated with the TRP transmission TEG information.
9 . A wireless communication method, comprising:
sending, by a network to a wireless communication device, Transmission and Reception Point (TRP) transmission Timing Error Group (TEG) information; and
receiving, by the network from the wireless communication device, downlink measurement results, one or more reference TRPs, and User Equipment (UE) reception TEG information, wherein the downlink measurement results are reported through a number of groups, and downlink measurement results in each of the group are determined relative to a respective one of the one or more reference TRPs and respective one of the one or more UE reception TEG information; and
receiving, by the network from the wireless communication device, whether downlink measurement results derived using the reference TRP and a candidate TRP pair belong to a same UE reception TEG as downlink measurement results of the reference TRP.
10 . The wireless communication method of claim 9 , wherein
the TRP transmission TEG information comprises at least one of TRP transmission TEG identifier (ID), first Positioning Reference Signal (PRS) resource ID, or first PRS resource set ID; and
the UE reception TEG information comprises a UE reception TEG ID, second PRS resource ID, or second PRS resource set ID.
11 . The wireless communication method of claim 9 , wherein
the TRP reception TEG information comprises at least one of TRP reception TEG identifier (ID), first sounding reference signal (SRS) resource ID, or first SRS resource set ID;
the UE transmission TEG information comprises at least one of UE transmission TEG ID, second SRS Resource ID, or second SRS resource set ID.
12 . A wireless communication apparatus, comprising:
at least one processor configured to:
send, via a transmitter to a wireless communication device, Transmission and Reception Point (TRP) transmission Timing Error Group (TEG) information;
receive, by the transmitter from the wireless communication device, downlink measurement results, one or more reference TRPs, and User Equipment (UE) reception TEG information, wherein the downlink measurement results are reported through a number of groups, and downlink measurement results in each of the group are determined relative to a respective one of the one or more reference TRPs and respective one of the one or more UE reception TEG information; and
receiving, by the network from the wireless communication device, whether downlink measurement results derived using the reference TRP and a candidate TRP pair belong to a same UE reception TEG as downlink measurement results of the reference TRP.
13 . The first network node of claim 12 , wherein
the TRP transmission TEG information comprises at least one of TRP transmission TEG identifier (ID), first Positioning Reference Signal (PRS) resource ID, or first PRS resource set ID; and
the UE reception TEG information comprises a UE reception TEG ID, second PRS resource ID, or second PRS resource set ID.
14 . The first network node of claim 12 , wherein the TRP reception TEG information comprises at least one of TRP reception TEG identifier (ID), first sounding reference signal (SRS) resource ID, or first SRS resource set ID;
the UE transmission TEG information comprises at least one of UE transmission TEG ID, second SRS Resource ID, or second SRS resource set ID.
15 . The method of claim 1 , wherein the downlink measurement includes Reference Signal Time Difference (RSTD).
16 . The method of claim 1 , wherein the downlink measurement comprises a RSTD measurement which is a difference between a first PRS measurement of a first TRP and a second PRS measurement of a reference TRP, reporting, by the wireless communication device to the network, a parameter indicating whether the first PRS measurement is associated to a same reception TEG information as the second PRS measurement.
17 . The method of claim 1 , wherein the number of group is requested by a Location Management Function (LMF) of the network.
18 . The method of claim 1 , further comprising, reporting, by the UE to the network, UE transmission TEG information, wherein the UE transmission TEG information comprises at least one of UE transmission TEG ID, sounding reference signal (SRS) resource ID, or SRS resource set ID.