Method and user equipment for performing measurement to support positioning, method and positioning server for supporting positioning, and base station for supporting positioning

A user equipment (hereinafter, a measurement UE) for performing measurement for positioning support for a specific user equipment (hereinafter, a target UE), the measurement UE comprising,

• a radio frequency (RF) unit configured to transmit or receive a signal and a processor configured to control the RF unit,
• wherein the processor is configured to:
• control the RF unit to receive configuration information about an uplink reference signal for positioning;
• control the RF unit to receive the uplink reference signal based on the configuration information;
• and
• control the RF unit to transmit information about a metric value measured based on the uplink reference signal and a reception-transmission time difference of the measurement UE, and
• wherein the configuration information includes at least a cell identifier (ID) or a scrambling ID, applied to the uplink reference signal, a reception-transmission time difference of a UE transmitting the uplink reference signal (hereinafter, a reference signal transmission UE), an index of a UE configured as a reference UE by a serving base station of the measurement UE or by the measurement UE, a reference timing, or a transmission power of the reference signal transmitted by the reference signal transmission UE.

A method of supporting positioning for a specific user equipment (hereinafter, a target UE) by a location server, the method comprising:

• transmitting configuration information about an uplink reference signal for positioning to a serving base station of a user equipment for performing measurement (hereinafter, a measurement UE);
• and
• receiving information about a metric value measured based on the uplink reference signal and a reception-transmission time difference of the measurement UE from the serving base station of the measurement UE,
• wherein the configuration information includes at least a cell identifier (ID) or a scrambling ID, applied to the uplink reference signal, a reception-transmission time difference of a UE transmitting the uplink reference signal (hereinafter, a reference signal transmission UE), an index of a UE configured as a reference UE by the serving base station of the measurement UE or by the measurement UE, a reference timing, or a transmission power of the reference signal transmitted by the reference signal transmission UE.

A location server for supporting positioning for a specific user equipment (hereinafter, a target UE), the location server comprising,

• a radio frequency (RF) unit configured to transmit or receive a signal and a processor configured to control the RF unit,
• wherein the processor is configured to:
• control the RF unit to transmit configuration information about an uplink reference signal for positioning to a serving base station of a user equipment for performing measurement (hereinafter, a measurement UE);
• and
• control the RF unit to receive information about a metric value measured based on the uplink reference signal and a reception-transmission time difference of the measurement UE from the serving base station of the measurement UE, and
• wherein the configuration information includes at least a cell identifier (ID) or a scrambling ID, applied to the uplink reference signal, a reception-transmission time difference of a UE transmitting the uplink reference signal (hereinafter, a reference signal transmission UE), an index of a UE configured as a reference UE by the serving base station of the measurement UE or by the measurement UE, a reference timing, or a transmission power of the reference signal transmitted by the reference signal transmission UE.

A method of supporting positioning for a specific user equipment (hereinafter, a target UE) by a base station, the method comprising:

• transmitting configuration information about an uplink reference signal for positioning to a user equipment for performing measurement (hereinafter, a measurement UE);
• and
• receiving information about a metric value measured based on the uplink reference signal and a reception-transmission time difference of the measurement UE from the measurement UE,
• wherein the configuration information includes at least a cell identifier (ID) or a scrambling ID, applied to the uplink reference signal, a reception-transmission time difference of a UE transmitting the uplink reference signal (hereinafter, a reference signal transmission UE), an index of a UE configured as a reference UE by a serving base station of the measurement UE or by the measurement UE, a reference timing, or a transmission power of the reference signal transmitted by the reference signal transmission UE.

A base station for supporting positioning for a specific user equipment (hereinafter, a target UE), the base station comprising,

• a radio frequency (RF) unit configured to transmit or receive a signal and a processor configured to control the RF unit,
• wherein the processor is configured to:
• control the RF unit to transmit configuration information about an uplink reference signal for positioning to a user equipment for performing measurement (hereinafter, a measurement UE);
• and
• control the RF unit to receive information about a metric value measured based on the uplink reference signal and a reception-transmission time difference of the measurement UE from the measurement UE, and
• wherein the configuration information includes at least a cell identifier (ID) or a scrambling ID, applied to the uplink reference signal, a reception-transmission time difference of a UE transmitting the uplink reference signal (hereinafter, a reference signal transmission UE), an index of a UE configured as a reference UE by a serving base station of the measurement UE or by the measurement UE, a reference timing, or a transmission power of the reference signal transmitted by the reference signal transmission UE.