Method and apparatus of positioning for accomodating wireless-environment change
AssigneeElectronics and Telecommunications Research Institute
InventorsKap Seok CHANG, Seung Chan BANG, Young Jo KO, Il Gyu KIM
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Abstract
A beam fingerprint-based positioning method, performed by a communication node located in a target space, may include: performing measurements on positioning signals transmitted from at least one reference node through a plurality of directional beams in a beam sweeping scheme; transmitting a result of the measurements to a central node; and receiving information on a position of the communication node from the central node.
Claims20
A positioning method, performed by a terminal located in a target space, comprising:
- allowing one or more reference nodes to measure positioning signals by transmitting the positioning signals through a plurality of directional beams in a beam sweeping scheme;
- and
- receiving information on a position of the terminal from a central node,
- wherein the one or more reference nodes transmit measurement results obtained by measuring the positioning signals to the central node, and the central node selects at least one beam least affected by an environmental change among the plurality of directional beams by inputting the measurement results to one or more learning models each of which is generated for each of the plurality of directional beams and/or each of a plurality of reference positions existing in the target space, and determines an estimated position of the terminal based on at least one learning model for reference positions for the selected at least one beam and the measurement results.
A positioning method, performed by a terminal located in a target space, comprising:
- allowing a reference node to measure positioning signals by transmitting the positioning signals through a plurality of directional beams in a beam sweeping scheme;
- and
- receiving information on a position of the terminal from the reference node,
- wherein the reference node obtains a measurement result by measuring the positioning signals, selects at least one beam least affected by an environmental change among the plurality of directional beams by inputting the measurement result to one or more learning models each of which is generated for each of the plurality of directional beams and/or each of a plurality of reference positions existing in the target space, and determines an estimated position of the terminal based on at least one learning model for reference positions for the selected at least one beam and the measurement result.
A positioning method, performed by a central node for positioning in a target space, the positioning method comprising:
- receiving, from one or more reference nodes, measurement results obtained by measuring positioning signals transmitted from at terminal through a plurality of directional beams in a beam sweeping scheme;
- determining a position of the terminal based on the measurement results;
- and
- transmitting information on the position of the terminal node to the terminal,
- wherein the determining of the position comprises:
- selecting at least one beam least affected by an environmental change among the plurality of directional beams by inputting the measurement results to one or more learning models each of which is generated for each of the plurality of directional beams and/or each of a plurality of reference positions existing in the target space;
- and
- determining an estimated position of the communication node based on at least one learning model for reference positions for the selected at least one beam and the measurement results.
Dependencies are inferred from the claim text.