# US 12,009,908 B2 · Terminal device, base station device, and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,009,908 B2 - Document ID: US12009908B2 - Status: Granted - Kind: B2 - Application number: 18/352,499 - Filed: 2023-07-14 - Published: 2023-11-09 - Granted: 2024-06-11 - Earliest claimed: 2017-11-16 - Assignees: Sony Group Corporation - Applicants: Sony Group Corporation - Inventors: Naoki Kusashima; Kazuyuki Shimezawa; Hiromasa Uchiyama; Hiroki Matsuda; Ryota Kimura; Yifu Tang - Web page: https://patentgrep.com/patent/US12009908B2 ## CPC - H04B 7/18589: {Arrangements for controlling an end to end session, i.e. for initialising, synchronising or terminating an end to end link} - H04B 7/185: Space-based or airborne stations; {Stations for satellite systems}(H04B7/204 takes precedence) - H04B 7/18504: {Aircraft used as relay or high altitude atmospheric platform} - H04B 7/18513: {Transmission in a satellite or space-based system} - H04B 7/2125: {Synchronisation} - H04W 48/16: Discovering, processing access restriction or access information - H04W 56/00: Synchronisation arrangements - H04W 56/0005: {synchronizing of arrival of multiple uplinks} - H04W 56/0045: {compensating for timing error by altering transmission time} - H04W 56/005: {compensating for timing error by adjustment in the receiver} - H04W 84/06: Airborne or Satellite Networks (space-based or airborne stations H04B7/185) - H04W 88/08: Access point devices - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Provided is a mechanism which is capable of improving wireless link quality regarding transmission from a terminal device on the ground to a non-ground station device. A terminal device including a control unit configured to acquire information regarding a type of a base station device and control a transmission timing of a signal to the base station device on the basis of the information regarding the type of the base station device. ## Claims ### Claim 1 A terminal device, comprising: a radio transceiver; and circuitry configured to: control the radio transceiver to receive System Information Block (SIB) that is broadcast from a base station device, and a Random Access Response (RAR) transmitted from the base station device, the RAR corresponds to a Random Access preamble which is transmitted from the terminal device to the base station device; determine whether or not the SIB contains satellite station related information; on condition that the SIB doesn't contain the satellite station related information, calculate a timing advance value for controlling an uplink transmission timing based on a second value, wherein a first value is not used to calculate the timing advance; and on condition that the SIB contains the satellite station related information, calculate the timing advance value based on addition of the first value to the second value, wherein the first value is TA_satellite which is computed based on the satellite station related information contained in the SIB and the second value is TA_normal which is contained in the received RAR. ### Claim 2 (depends on 1) The terminal device according to claim 1, wherein the satellite station related information is information for the satellite station, wherein the satellite station is one of same as the base station device or different from the base station device. ### Claim 3 (depends on 1) The terminal device according to claim 1, wherein the satellite station related information includes at least one of: information of an orbital parameter for the satellite station, or information indicating a velocity of the satellite station. ### Claim 4 (depends on 3) The terminal device according to claim 3, wherein the information of the orbital parameter for the satellite station includes information indicating an inclination of the satellite station. ### Claim 5 (depends on 1) The terminal device according to claim 1, wherein the second value is based on a position of the terminal device in a cell provided by the base station device. ### Claim 6 A base station device which performs communication with a terminal device, the base station device comprising: a radio transceiver; and circuitry configured to control the radio transceiver to: broadcast System Information Block (SIB), and transmit a Random Access Response (RAR) corresponding to a Random Access preamble which is transmitted from the terminal device to the base station device, wherein on condition that the SIB doesn't contain satellite station related information, a timing advance value for controlling an uplink transmission timing from the terminal device is calculated by the terminal device based on a second value, wherein a first value is not used to calculate the timing advance, on condition that the SIB contains the satellite station related information, the timing advance value is calculated by the terminal device based on addition of the first value to the second value, and the first value is TA_satellite which is computed based on the satellite station related information contained in the SIB and the second value is TA_normal which is contained in the transmitted RAR. ### Claim 7 (depends on 6) The base station device according to claim 6, wherein the satellite station related information is information for the satellite station, wherein the satellite station is one of same as the base station device or different from the base station device. ### Claim 8 (depends on 6) The base station device according to claim 6, wherein the satellite station related information includes at least one of: information of an orbital parameter for the satellite station, or information indicating a velocity of the satellite station. ### Claim 9 (depends on 8) The base station device according to claim 8, wherein the information of the orbital parameter for the satellite station includes information indicating an inclination of the satellite station. ### Claim 10 (depends on 6) The base station device according to claim 6, wherein the second value is based on a position of the terminal device in a cell provided by the base station device. ### Claim 11 A method of a terminal device, the method comprising: receiving System Information Block (SIB) that is broadcast from a base station device, and a Random Access Response (RAR) transmitted from the base station device, the RAR corresponds to a Random Access preamble which is transmitted from the terminal device to the base station device; determining whether or not the SIB contains satellite station related information; on condition that the SIB doesn't contain the satellite station related information, calculating a timing advance value for controlling an uplink transmission timing based on a second value, wherein a first value is not used to calculate the timing advance; and on condition that the SIB contains the satellite station related information, calculating the timing advance value based on addition of the first value to the second value, wherein the first value is TA_satellite which is computed based on the satellite station related information contained in the SIB and the second value is TA_normal which is contained in the received RAR. ### Claim 12 A method of a base station device that performs communication with a terminal device, the method comprising: broadcasting System Information Block (SIB); and transmitting a Random Access Response (RAR) corresponding to a Random Access preamble which is transmitted from the terminal device to the base station device, wherein on condition that the SIB doesn't contain satellite station related information, a timing advance value for controlling an uplink transmission timing from the terminal device is calculated by the terminal device based on a second value, wherein a first value is not used to calculate the timing advance, on condition that the SIB contains the satellite station related information, the timing advance value is calculated by the terminal device based on addition of the first value to the second value, and the first value is TA_satellite which is computed based on the satellite station related information contained in the SIB and the second value is TA_normal which is contained in the transmitted RAR.