# US 11,115,996 B2 · Methods and devices for multi-connection transmission > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,115,996 B2 - Document ID: US11115996B2 - Status: Granted - Kind: B2 - Application number: 16/740,363 - Filed: 2020-01-10 - Published: 2020-05-14 - Granted: 2021-09-07 - Earliest claimed: 2020-01-10 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget LM Ericsson (publ) - Inventors: Jianfeng Wang; Qianxi Lu; Zhan Zhang; Huaisong Zhu - Web page: https://patentgrep.com/patent/US11115996B2 ## CPC - H04W 72/1268: of uplink data flows - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L 5/0078: {Timing of allocation} - H04W 56/0045: {compensating for timing error by altering transmission time} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 76/15: Setup of multiple wireless link connections - H04L 5/0023: {Time-frequency-space} - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A terminal device for transmission to at least a first network device and a second network device over bundled Transmission Time Intervals (TTIs). A method comprises determining that a first TTI for transmission to the first network device overlaps a second TTI for transmission to the second network device based on a first Timing Advance (TA) value associated with the first network device and a second TA value associated with the second network device; and requesting from the first and second network devices a first and a second transmission grants, respectively, based on the first and second TA values, such that an order of the first and second transmission grants requested is based on values of the first and second TA values. ## Claims ### Claim 1 A method in a terminal device for transmission to at least a first network device and a second network device over bundled Transmission Time Intervals (TTIs) comprising: determining that a first TTI for transmission to the first network device overlaps a second TTI for transmission to the second network device based on a first Timing Advance (TA) value associated with the first network device and a second TA value associated with the second network device; requesting from the first and second network devices a first and a second transmission grants, respectively, based on the first and second TA values, such that an order of the first and second transmission grants requested is based on values of the first and second TA values; receiving the first and second transmission grants from the first and second network devices, respectively, in the order based on the first and second TA values; and transmitting data to the first and second network devices in accordance with the order of the first and second transmission grants. ### Claim 2 (depends on 1) The method of claim 1, wherein the determining further comprises: determining that the first TTI overlaps the second TTI when the first TTI precedes the second TTI and the first TA value is smaller than the second TA value; or the first TTI follows the second TTI and the first TA value is larger than the second TA value. ### Claim 3 (depends on 1) The method of claim 1, wherein the requesting further comprises: transmitting the first and second TA values to each of the first and second network devices. ### Claim 4 (depends on 1) The method of claim 1, wherein the requesting further comprises: requesting the first and second transmission grants in an order determined based on the first and second TA values. ### Claim 5 (depends on 1) The method of claim 1, wherein the transmitting to the first network device occurs prior to the transmitting to the second network device, when the first TA value is larger than the second TA value; or the transmitting to the first network device occurs after the transmitting to the second network device, when the first TA value is smaller than the second TA value. ### Claim 6 A terminal device for transmission to at least a first network device and a second network device over bundled Transmission Time Intervals (TTIs) comprising: a processor; and a memory coupled to the processor, the memory containing instructions which, when executed by the processor, cause the terminal device to: determine that a first TTI for transmission to the first network device overlaps a second TTI for transmission to the second network device based on a first Timing Advance (TA) value associated with the first network device and a second TA value associated with the second network device; request from the first and second network devices a first and a second transmission grants, respectively, based on the first and second TA values, such that an order of the first and second transmission grants requested is based on values of the first and second TA values; receive the first and second transmission grants from the first and second network devices, respectively, in the order based on the first and second TA values; and transmit data to the first and second network devices in accordance with the order of the first and second transmission grants. ### Claim 7 (depends on 6) The terminal device of claim 6, wherein to determine further comprises: determine that the first TTI overlaps the second TTI when the first TTI precedes the second TTI and the first TA value is smaller than the second TA value; or the first TTI follows the second TTI and the first TA value is larger than the second TA value. ### Claim 8 (depends on 6) The terminal device of claim 6, wherein the instructions further cause the terminal device to transmit the first and second TA values to each of the first and second network devices. ### Claim 9 (depends on 6) The terminal device of claim 6, wherein the instructions further cause the terminal device to request the first and second transmission grants in an order determined based on a larger value between the first and second TA values. ### Claim 10 (depends on 6) The terminal device of claim 6, wherein a transmission to the first network device occurs prior to a transmission to the second network device, when the first TA value is larger than the second TA value; or a transmission to the first network device occurs after a transmission to the second network device, when the first TA value is smaller than the second TA value. ### Claim 11 A non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor of a terminal device for transmission to at least a first network device and a second network device over bundled Transmission Time Intervals (TTIs), is configured to cause the terminal device to perform operations comprising: determining that a first TTI for transmission to the first network device overlaps a second TTI for transmission to the second network device based on a first Timing Advance (TA) value associated with the first network device and a second TA value associated with the second network device; requesting from the first and second network devices a first and a second transmission grants, respectively, based on the first and second TA values, such that an order of the first and second transmission grants requested is based on values of the first and second TA values; receiving the first and second transmission grants from the first and second network devices, respectively, in the order based on the first and second TA values; and transmitting data to the first and second network devices in accordance with the order of the first and second transmission grants. ### Claim 12 (depends on 11) The non-transitory computer-readable storage medium of claim 11, wherein the determining further comprises: determining that the first TTI overlaps the second TTI when the first TTI precedes the second TTI and the first TA value is smaller than the second TA value; or the first TTI follows the second TTI and the first TA value is larger than the second TA value. ### Claim 13 (depends on 11) The non-transitory computer-readable storage medium of claim 11, wherein the requesting further comprises transmitting the first and second TA values to each of the first and second network devices. ### Claim 14 (depends on 11) The non-transitory computer-readable storage medium of claim 11, wherein the requesting further comprises requesting the first and second transmission grants in an order determined based on the first and second TA values. ### Claim 15 (depends on 11) The non-transitory computer-readable storage medium of claim 11, wherein the transmitting to the first network device occurs prior to the transmitting to the second network device, when the first TA value is larger than the second TA value; or the transmitting to the first network device occurs after the transmitting to the second network device, when the first TA value is smaller than the second TA value.