Uplink UE positioning

A method for operating a wireless communication network that supports a plurality of reference signals, the method comprising:

• receiving, with a user equipment, at least one instruction signal comprising information indicating instructions to the UE to transmit an uplink RS;
• determining parameters of the uplink RS with the UE and based on the instruction signal;
• determining, using the UE, a spatial relation of the UE;
• deriving a derived spatial filter to be used by the UE based on the spatial relation;
• transmitting the uplink RS with the UE using the derived spatial filter and using the parameters of the uplink RS;
• receiving the uplink RS with a transmission and reception point (TRP) and evaluating reception of the TRP to acquire an evaluation result;
• and
• determining uplink transmission links for a UE multi-TRP communication or estimating, for a positioning procedure in the wireless communication network, a position of the UE in the wireless communication network based on the evaluation result.

A user equipment configured for operating in a wireless communication network that supports a plurality of reference signals, the UE comprising:

• a wireless interface configured for transceiving signals;
• wherein the UE is capable of beamforming with the wireless interface so as to form different beams;
• wherein the UE is configured for receiving a first set of beamformed signals comprising at least one beamforming signal from a first transmission and reception point (TRP) using at least a first spatial reception filter;
• and at least a second set of beamformed signals comprising at least one beamformed signal from a second TRP using at least a second spatial reception filter;
• wherein the UE is configured for analyzing a first channel condition between the first TRP and the UE and a second channel condition between the second TRP and the UE;
• wherein the UE is configured for providing a measurement report indicating the first channel condition and the second channel condition;
• and reporting the measurement report to the wireless communication network such that the measurement report comprises a filter information indicating the first spatial reception filter and the second spatial reception filter;
• wherein the UE is configured for receiving, based on the measurement report, at least one instruction signal comprising information indicating parameters of a uplink RS, the parameters comprising at least a RS characteristic and a spatial information of the RS;
• and
• wherein the UE is configured for transmitting the uplink RS according to the instruction signal.

A user equipment configured for operating in a wireless communication network that supports a plurality of reference signals, the UE comprising

• a wireless interface configured for transceiving signals;
• wherein the UE is configured for:
• receiving at least one instruction signal comprising information indicating instructions to the UE to transmit a uplink RS;
• determining parameters of the uplink RS and based on the instructions signal;
• determining a spatial relation of the UE;
• deriving a derived spatial filter to be used based on the spatial relation;
• and
• transmitting the uplink RS using the derived spatial filter and using the parameters of the uplink RS.

A controller entity configured for controlling at least a part of an operation of a wireless communication network that supports a plurality of reference signals, the wireless communication network comprising a plurality of transmission and reception points, wherein the wireless communication network is adapted to communicate with a user equipment, the controller entity being configured for:

• transmitting, to the UE, a first set of beamformed signals comprising at least one beamforming signal from a first transmission and reception point (TRP);
• and at least a second set of beamformed signals comprising at least one beamformed signal from a second TRP;
• receiving a measurement report from the UE, indicating a first channel condition and a second channel condition;
• and comprising a filter information indicating a first spatial reception filter associated with the first set of beamformed signals;
• and a second spatial reception filter associated with the second set of beamformed signals;
• determining, based on the measurement report, parameters of a uplink RS, the parameters comprising at least a RS characteristic and a spatial information of the uplink RS;
• wherein the uplink RS is adapted based on a channel condition between the UE and at least the first TRP and the second TRP, wherein the spatial information of the RS is determined based on the filter information;
• transmitting, to the UE, at least one instruction signal comprising information indicating the parameters of the uplink RS;
• receiving a first evaluation result indicating an evaluation of a reception of the uplink RS with the first TRP and receiving a second evaluation result indicating an evaluation of a reception of the uplink RS with the second TRP;
• and
• determining uplink transmission links for a UE multi-TRP communication or estimating for a positioning procedure in the wireless communication network, a position of the UE in the wireless communication network based on the first evaluation result and the second evaluation result.