# US 2021/0345274 A1 · Timing adjustments for data transmission in wireless systems > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0345274 A1 - Document ID: US20210345274A1 - Status: Published application - Kind: A1 - Application number: 17/372,964 - Filed: 2021-07-12 - Published: 2021-11-04 - Earliest claimed: 2019-01-11 - Assignees: Zte Corporation - Applicants: ZTE Corporation - Inventors: Zhifeng YUAN; Hong TANG; Weimin LI; Yuzhou HU; Jian LI; Qiujin GUO; Yihua MA - Web page: https://patentgrep.com/patent/US20210345274A1 ## CPC - H04W 56/006: {using known positions of transmitter and receiver} - H04W 56/007: {Open loop measurement} - H04W 56/0015: {one node acting as a reference for the others} - H04W 56/0045: {compensating for timing error by altering transmission time} - H04W 64/006: {with additional information processing, e.g. for direction or speed determination} - H04W 84/06: Airborne or Satellite Networks (space-based or airborne stations H04B7/185) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Methods, systems, and devices for timing adjustments for data transmissions in mobile communication technology are described. An exemplary method for wireless communication includes determining, by the first device, a distance between the first device and the second device, and performing a transmission based on a timing adjustment that is determined using the distance. Another exemplary method for wireless communication includes broadcasting, by the second device, a location information of the second device, and receiving, from the first device, a transmission, where the first device is configured to communicate the transmission based on a timing adjustment that is determined using the distance, and where the distance is based on a location information of the first device and the location information of the second device. ## Claims ### Claim 1 A method for wireless communication between a first device and a second device, the method comprising: determining, by the first device, a distance between the first device and the second device; and performing a transmission based on a timing adjustment that is determined using the distance, wherein the transmission comprises at least one of an identification information for the first device, uplink signaling information or beam information. ### Claim 2 (depends on 1) The method of claim 1, wherein determining the distance is based on a location information of the first device and a location information of the second device. ### Claim 3 (depends on 2) The method of claim 2, further comprising: receiving, from the second device, the location information of the second device. ### Claim 4 (depends on 3) The method of claim 3, wherein the location information is broadcast by the second device. ### Claim 5 (depends on 1) The method of claim 1, further comprising: receiving a reference signal from the second device; computing a path loss value based on a reference signal receive power (RSRP) value determined from the reference signal; and determining the distance based on the path loss value. ### Claim 6 (depends on 1) The method of claim 1, further comprising: receiving a plurality of downlink signals from each of a plurality of base stations; determining each of a plurality of receive power values based on each of the plurality of downlink signals; and determining the distance between the first device and the second device based on the plurality of receive power values. ### Claim 7 (depends on 1) The method of claim 1, further comprising: receiving a plurality of reference signals from each of a plurality of base stations; determining each of a plurality of reference signal receive power (RSRP) values based on each of the plurality of reference signals; and determining a location of the first device based on the plurality of RSRP values. ### Claim 8 (depends on 1) The method of claim 1, wherein the transmission is modulated using binary phase shift keying (BPSK), π/2-BPSK, quadrature phase shift keying (QPSK), differential BPSK modulation, differential QPSK modulation or differential coding. ### Claim 9 (depends on 1) The method of claim 1, wherein the transmission comprises one or more of a data symbol processed using a spreading technique, a reference signal or a preamble sequence. ### Claim 10 (depends on 9) The method of claim 9, wherein the transmission is spread using exactly one of a plurality of spreading sequences. ### Claim 11 (depends on 9) The method of claim 9, wherein a determination of the reference signal or the preamble sequence is based on a modulation and coding scheme. ### Claim 12 (depends on 1) The method of claim 1, wherein a modulation and coding scheme for the transmission is based on the distance or a threshold. ### Claim 13 (depends on 1) The method of claim 1, wherein a number of retransmissions of the transmission is based on the distance or a threshold. ### Claim 14 (depends on 1) The method of claim 1, wherein a determination of the timing adjustment is based on a computation or a look-up table. ### Claim 15 (depends on 1) The method of claim 1, wherein the first device is one of a user terminal, a wireless device, or a terrestrial device for satellite communication, and wherein the second device is one of a base station, a network device or a transceiver on a satellite, hot air balloon or drone. ### Claim 16 A method for wireless communication between a first device and a second device, the method comprising: broadcasting, by the second device, a location information of the second device; receiving, from the first device, a transmission, wherein the transmission comprises at least one of an identification information for the first device, uplink signaling information or beam information, and wherein the first device is configured to communicate the transmission based on a timing adjustment that is determined using the distance, and wherein the distance is based on a location information of the first device and the location information of the second device. ### Claim 17 (depends on 16) The method of claim 16, wherein receiving the signal is based on performing blind detection. ### Claim 18 (depends on 16) The method of claim 16, wherein the location information of the second device is broadcast through a physical broadcast channel (PBCH), a Master Information Block (MIB) or a System Information Block (SIB). ### Claim 19 (depends on 16) The method of claim 16, wherein the location information of the second device comprises at least one of (a) latitude and longitude information for the second device, (b) height information for the second device, or (c) ephemeris information for the second device, wherein a location of the second device is determined based on the at least one of (a), (b) or (c). ### Claim 20 (depends on 16) The method of claim 16, wherein the location information of the first device is based on a satellite positioning system, a ground positioning system, a cellular positioning system or a positioning system based on base stations.