User terminal positioning method, base station and computer-readable storage medium
A technology of user terminal and positioning method, which is applied in the directions of multiple use of transmission paths, sub-channel allocation of transmission paths, digital transmission systems, etc., and can solve the problems of uncovered base stations and terminals, and the inability of base stations and terminals to obtain positioning information.
Active Publication Date: 2021-03-09
BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
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Problems solved by technology
[0006] However, in a wireless environment, the narrowest RSRP beam may not cover the shortest propagation path direction between the base station and the terminal. At this time, if the wireless signal is still sent based on the largest RSRP beam, the base station and the terminal may not be able to obtain accurate information location information
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[0031] In the 5G NR system, due to the increase in the number of base station and terminal antennas and the support for higher frequency bands, uplink and downlink wireless signals can be sent using narrower beams and support multiple sending directions, so NR introduces a beam management mechanism To determine the optimal transmit and receive beams of the base station and the terminal.
[0032] Based on the current beam management mechanism, in order to ensure the communication quality, the optimal beam obtained by the base station or terminal measurement satisfies the maximum RSRP. However, in a wireless environment, since the direct-view path direction may be blocked by objects, the beam with the largest RSRP may not include the direction of the shortest propagation path. If the transmission and measurement are still based on the largest beam of RSRP, the base station and the terminal may not be able to obtain accurate timing. information and angle information.
[0033] To...
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A positioning method for a user terminal, a base station, and a computer-readable storage medium. The method includes: obtaining the beam with the shortest transmission delay among multiple training beams; using the beam with the shortest transmission delay as the optimal beam, and configuring positioning measurement configuration information to locate the user terminal. Applying the above scheme, the beam with the shortest transmission delay among the training beams is used as the optimal beam instead of the narrow beam with the largest RSRP as the optimal beam, so that the narrow beam with the largest RSRP does not cover the gap between the base station and the terminal. In the case of the shortest propagation path direction, the positioning accuracy is improved.
Description
technical field [0001] The present invention relates to the field of communication technology, in particular to a positioning method for a user terminal, a base station and a computer-readable storage medium. Background technique [0002] In a wireless communication system, when positioning a user terminal (User Equipment, UE), it is necessary to obtain timing information and angle information between the base station and the UE by measuring wireless signals, so that based on the obtained timing information and angle information, the Determine the location of the UE. [0003] In the Long Term Evolution (LTE) system, the beam range used by wireless signals usually covers the shortest propagation path direction between the base station and the terminal, so the measurement of timing information and angle information is affected by the beams of uplink and downlink wireless signals smaller. When the base station selects the beam used by the wireless signal for timing or angle m...
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IPC IPC(8): H04W64/00H04L5/00H04B7/0408
CPCH04B7/0408H04L5/0048H04W64/003H04W64/006
Inventor 马大为
Owner BEIJING SPREADTRUM HI TECH COMM TECH CO LTD