US 11,792,758 B2
Method and device for determining timing advance
Bin Ren, Beijing (CN); Deshan Miao, Beijing (CN); Shaohui Sun, Beijing (CN); and Shaoli Kang, Beijing (CN)
Assigned to DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD., Beijing (CN)
Appl. No. 17/430,325
Filed by DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD., Beijing (CN)
PCT Filed Jan. 15, 2020, PCT No. PCT/CN2020/072323
§ 371(c)(1), (2) Date Aug. 12, 2021,
PCT Pub. No. WO2020/164362, PCT Pub. Date Aug. 20, 2020.
Claims priority of application No. 201910115060.0 (CN), filed on Feb. 14, 2019; and application No. 201910185664.2 (CN), filed on Mar. 12, 2019.
Prior Publication US 2022/0150858 A1, May 12, 2022
Int. Cl. H04W 56/00 (2009.01); H04L 27/26 (2006.01); H04B 7/185 (2006.01); H04W 74/08 (2009.01); H04W 84/06 (2009.01)
CPC H04W 56/0045 (2013.01) [H04B 7/18517 (2013.01); H04B 7/18589 (2013.01); H04L 27/2607 (2013.01); H04L 27/26025 (2021.01); H04W 56/001 (2013.01); H04W 56/0005 (2013.01); H04W 56/006 (2013.01); H04W 74/0833 (2013.01); H04W 84/06 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method for determining a timing advance by a terminal, comprising:
receiving and acquiring relevant parameters in a configuration message, wherein the relevant parameters comprise cell common time delay information;
estimating a relative transmission time delay corresponding to a propagation distance difference between a user link propagation path of the terminal and a minimum link time delay path of a reference terminal at a preset position to a satellite;
determining a cell-specific timing advance of deviation between a cell common time delay from broadcast signaling and integral multiple time slots according to the cell common time delay information; and
determining, according to the relative transmission time delay and the cell-specific timing advance, an uplink timing advance of an uplink transmission timing position with respect to a configuration message receiving position.