Method for assisting a first network node in determining a property of a network node, a related first network node and a related wireless device
A method is disclosed, performed by a first wireless device (WD) for assisting a first network node in determining a network node property. The method comprises determining whether the first WD satisfies one or more conditions for providing reference information. The method comprises, upon determining that the first WD satisfies the condition for providing the reference information, transmitting, to the first network node, an indication indicative of the first WD being capable of providing the reference information. The method comprises receiving, from the first network node, a request to provide the reference information. The method comprises providing, to the first network node, reference information for assisting the first network node in determining a network node property.
1 . A method, performed by a first wireless device (WD) for assisting a first network node in determining a network node property, the method comprising:
determining whether the first WD satisfies one or more conditions for providing reference information;
upon determining that the first WD satisfies the condition for providing the reference information, transmitting, to the first network node, an indication indicative of the first WD being capable of acting as a reference device to be used for positioning of one or more second WDs;
receiving, from the first network node, an indication of:
the first WD being enabled or activated as being a reference wireless device, or
the first WD being disabled or deactivated as being a reference wireless device;
after receiving the indication of WD being enabled or activated as being a reference wireless device:
receiving a request to provide reference information assisting the first network node in determining a network property; and
providing, to the first network node, the reference information for assisting the first network node in determining a network node property.
2 . The method according to claim 1 , wherein the reference information is indicative of timing information of a signal transmission associated with a radio network node.
3 . The method according to claim 2 , wherein the timing information comprises a timing error estimation of the signal transmission associated with the radio network node.
4 . The method according to claim 2 , wherein the reference information is indicative of one or more of: a propagation time of the signal transmission between the first WD and the radio network node, a timing error at a transmitter side in the first WD, a timing error at a receiver side in the first WD, a timing error at a transmitter side in the radio network node, and a timing error at a receiver side in the radio network node.
5 . The method according to claim 2 , wherein the reference information comprises validation information indicative of a time duration for which the reference information is valid.
6 . The method according to claim 2 , wherein the signal transmission is a positioning reference signal transmission.
7 . The method according to claim 1 , wherein the network node property of the radio network node is a timing error at the radio network node.
8 . The method according to claim 7 , wherein the timing error is a timing error at a transmitter and/or receiver at the radio network node.
9 . The method according to claim 1 , wherein the method comprises:
receiving, from the first network node, a configuration comprising the one or more conditions.
10 . The method according to claim 1 , wherein the one or more conditions comprise a threshold related to the first WD.
11 . The method according to claim 10 , wherein determining comprises:
determining whether the positioning uncertainty of the first WD is below the threshold.
12 . The method according to claim 1 , wherein the method comprises:
performing measurements for determining the reference information.
13 . The method according to claim 1 , wherein the method comprises:
receiving, from the first network node, an indication that the first WD is to provide reference information.
14 . The method according to claim 1 , wherein the first network node is a location network node.
15 . The method according to claim 1 , wherein the first network node is the radio network node.
16 . A method, performed by a first network node, for determining a network node property, the method comprising:
receiving, from a first wireless device (WD) an indication indicative of the first WD being capable of acting as a reference device to be used for positioning of one or more second WDs;
transmitting, to the first WD, an indication of the first WD being enabled or activated as being a reference wireless device and a request to provide the reference information for providing assistance to the first network node;
obtaining the reference information for assisting the first network node in determining the network node property; and
determining the network node property based on the reference information.
17 . The method according to claim 16 , wherein the reference information for providing assistance is indicative of timing information of a signal transmission associated with a radio network node.
18 . The method according to claim 17 , wherein the timing information comprises a timing error estimation of the signal transmission associated with the radio network node.
19 . The method according to claim 17 , wherein the reference information is indicative of one or more of a propagation time of the signal transmission between the first WD and the radio network node, a timing error at a transmitter side in the first WD, a timing error at a receiver side in the first WD, a timing error at a transmitter side in the radio network node, and/or a timing error at a receiver side in the radio network node.