US Patent No. 9,451,579

POSITIONING INFORMATION DETERMINATION METHOD AND DEVICE


Patent No. 9,451,579
Issue Date September 20, 2016
Title Positioning Information Determination Method And Device
Inventorship Haiyang Quan, Beijing (CN)
Jing Liang, Beijing (CN)
Xin Su, Beijing (CN)
Assignee CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY, Beijing (CN)

Claim of US Patent No. 9,451,579

1. A method of determining position information, wherein the method comprises:
receiving, by an evolved Node B (eNB), an uplink signal from a User Equipment (UE);
determining, by the eNB, an angle of arrival, a downtilt angle of beam and a timing advance of the UE from the received uplink
signal; and

positioning, by the eNB, the UE using the angle of arrival, downtilt angle of beam and timing advance of the UE;
wherein the eNB positions the UE using the equations of:
x_UE=x_eNB+m*TA*n*sin(AoA?)*sin(AoA);

y_UE=y_eNB+m*TA*n*sin(AoA?)*cos(AoA); and

z_UE=z_eNB?m*TA*n*cos(AoA?);

wherein x_UE represents the coordinate of the UE on the x-axis; y_UE represents the coordinate of the UE on the y-axis; z_UE
represents the coordinate of the UE on the z-axis; x_eNB represents the coordinate of the eNB on the x-axis; y_eNB represents
the coordinate of the eNB on the y-axis; z_eNB represents the coordinate of the eNB on the z-axis; m represents the ratio
of the distance between the UE and the eNB to the distance determined from the TA, and n represents the distance over which
light propagates in a unit of time the TA represents the Timing Advance; the AoA represents the angle of arrival; and the
AoA? represents the downtilt angle of beam.