# US 10,455,603 B2 · Wireless transmission timing based on timing advance values in shortened transmission time interval transmissions > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,455,603 B2 - Document ID: US10455603B2 - Status: Granted - Kind: B2 - Application number: 15/832,392 - Filed: 2017-12-05 - Published: 2018-06-07 - Granted: 2019-10-22 - Earliest claimed: 2016-12-06 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Seyedkianoush Hosseini; Wanshi Chen; Peter Gaal - Web page: https://patentgrep.com/patent/US10455603B2 ## CPC - H04W 72/54: based on quality criteria - H04L 1/1825: Adaptation of specific ARQ protocol parameters according to transmission conditions - H04L 1/1854: {Scheduling and prioritising arrangements} - H04L 1/1887: {Scheduling and prioritising arrangements} - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0078: {Timing of allocation} - H04W 56/0045: {compensating for timing error by altering transmission time} - H04W 72/1263: Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - 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 Wireless transmission timing based on timing advance (TA) values in shortened transmission time interval (sTTI) transmissions are provided. A TA value associated with one or more component carriers (CCs) for a wireless transmission may be identified, a TA threshold value may be identified, and one or more parameters associated with the wireless transmission may be set at a first value when the TA value is below the TA threshold value and set at a second value with the TA value is above the TA threshold value. The one or more parameters may include a timing for feedback transmission according to a hybrid acknowledgement repeat request (HARQ) process associated with the wireless transmission, and the timing for the feedback transmission may be increased in the event that the TA value is above the TA threshold value. ## Claims ### Claim 1 A method for wireless communication, comprising: identifying a timing advance (TA) value associated with a wireless transmission; identifying a TA threshold value based at least in part on a transmission time interval (TTI) of the wireless transmission, wherein the TA threshold value is associated with a processing time related to feedback information associated with the wireless transmission; setting one or more parameters associated with the wireless transmission based at least in part on the TA value and the TA threshold value; and transmitting, by a wireless transceiver, one or more signals in accordance with the one or more parameters associated with the wireless transmission. ### Claim 2 (depends on 1) The method of claim 1, further comprising: identifying two or more component carriers (CCs) for the wireless transmission, and wherein the TA value is common across each of the two or more CCs and is based on one or more of an individual TA for each CC, an uplink time misalignment value for the two or more CCs, or a downlink time misalignment value for the two or more CCs. ### Claim 3 (depends on 1) The method of claim 1, wherein: the setting the one or more parameters comprises setting a feedback timing parameter that indicates successful reception of a downlink transmission based at least in part on the TA value and the TA threshold value. ### Claim 4 (depends on 1) The method of claim 1, further comprising: identifying two or more TA groups, and wherein the TA value comprises a TA value for each TA group. ### Claim 5 (depends on 1) The method of claim 1, wherein: the identifying the TA threshold value comprises identifying the TA threshold value as a first TA threshold when the TTI of the wireless transmission is a two-symbol TTI, and identifying the TA threshold value as a second TA threshold when the TTI of the wireless transmission is a one-slot TTI or a 1 ms TTI. ### Claim 6 (depends on 1) The method of claim 1, wherein: the one or more parameters comprise a hybrid acknowledgement repeat request (HARQ) feedback timing parameter that is set based at least in part on TA values for two or more component carriers. ### Claim 7 (depends on 1) The method of claim 1, further comprising: reporting the TA value to a base station, wherein the TA value corresponds to a TA value based on two or more component carriers for the wireless transmission. ### Claim 8 (depends on 7) The method of claim 7, wherein: the TA threshold value is identified for each component carrier (CC) of a plurality of CCs for the wireless transmission. ### Claim 9 (depends on 1) The method of claim 1, wherein: the one or more parameters comprise one or more of a hybrid acknowledgement repeat request (HARQ) feedback timing parameter, a transport block size scaling parameter, a number of supported spatial transmission layers, a channel quality information (CQI) type reporting, or a timing for uplink transmission scheduling. ### Claim 10 (depends on 1) The method of claim 1, wherein: the setting the one or more parameters comprises determining a maximum number of component carriers (CCs) per physical uplink control channel (PUCCH) group. ### Claim 11 (depends on 1) The method of claim 1, wherein: the TA value is based at least in part on a time gap between an earliest uplink carrier and a latest downlink carrier of a component carrier. ### Claim 12 (depends on 11) The method of claim 11, wherein: the time gap is less than the TA threshold value. ### Claim 13 (depends on 1) The method of claim 1, wherein: the TA threshold value is identified for each component carrier (CC) of a plurality of CCs for the wireless transmission. ### Claim 14 (depends on 13) The method of claim 13, wherein: the plurality of CCs comprise one or more Long Term Evolution (LTE) CCs, one or more next generation new radio (NR) CCs, or combinations thereof. ### Claim 15 (depends on 1) The method of claim 1, wherein: the TA threshold value is identified for each of two or more uplink control channel groups of component carriers (CCs) for the wireless transmission. ### Claim 16 (depends on 15) The method of claim 15, wherein: each of the two or more uplink control channel groups CCs are part of a carrier aggregation or a dual-connectivity operation. ### Claim 17 (depends on 1) The method of claim 1, wherein: the method is performed by a base station, and wherein transmitting the one or more signals in accordance with the one or more parameters associated with the wireless transmission further comprises transmitting the one or more parameters to a user equipment. ### Claim 18 (depends on 1) The method of claim 1, wherein: the method is performed by a user equipment (UE), and wherein transmitting the one or more signals in accordance with the one or more parameters associated with the wireless transmission further comprises transmitting the wireless transmission using the one or more parameters, the method further comprising: receiving, by the wireless transceiver, the one or more parameters from a base station. ### Claim 19 An apparatus for wireless communication, comprising: means for identifying a timing advance (TA) value associated with a wireless transmission; means for identifying a TA threshold value based at least in part on a transmission time interval (TTI) of the wireless transmission, wherein the TA threshold value is associated with a processing time related to feedback information associated with the wireless transmission; means for setting one or more parameters associated with the wireless transmission based at least in part on the TA value and the TA threshold value; and means for transmitting one or more signals in accordance with the one or more parameters associated with the wireless transmission. ### Claim 20 An apparatus for wireless communication, in a system comprising: a processor; memory coupled with the processor; and instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to: identify a timing advance (TA) value associated with a wireless transmission; identify a TA threshold value based at least in part on a transmission time interval (TTI) of the wireless transmission, wherein the TA threshold value is associated with a processing time related to feedback information associated with the wireless transmission; set one or more parameters associated with the wireless transmission based at least in part on the TA value and the TA threshold value; transmit, by a wireless transceiver, one or more signals in accordance with the one or more parameters associated with the wireless transmission. ### Claim 21 (depends on 20) The apparatus of claim 20, wherein the instructions are operable to cause the processor to: identify two or more component carriers (CCs) for the wireless transmission, and wherein the TA value is common across each of the two or more CCs and is based on one or more of an individual TA for each CC, an uplink time misalignment value for the two or more CCs, or a downlink time misalignment value for the two or more CCs. ### Claim 22 (depends on 20) The apparatus of claim 20, wherein the instructions operable to cause the apparatus to set the one or more parameters comprise instructions operable to cause the apparatus to: set a feedback timing parameter that indicates successful reception of a downlink transmission based at least in part on the TA value and the TA threshold value. ### Claim 23 (depends on 20) The apparatus of claim 20, wherein the instructions are operable to cause the processor to: identify two or more TA groups, and wherein the TA value comprises a TA value for each TA group. ### Claim 24 (depends on 20) The apparatus of claim 20, wherein the instructions operable to cause the apparatus to identify the TA threshold value comprise instructions operable to cause the apparatus to: identify the TA threshold value as a first TA threshold when the TTI of the wireless transmission is a two-symbol TTI, and identifying the TA threshold value as a second TA threshold when the TTI of the wireless transmission is a one-slot TTI or a 1 ms TTI. ### Claim 25 (depends on 20) The apparatus of claim 20, wherein the one or more parameters comprise a hybrid acknowledgement repeat request (HARQ) feedback timing parameter that is set based at least in part on TA values for two or more component carriers. ### Claim 26 (depends on 20) The apparatus of claim 20, wherein the instructions are operable to cause the processor to: report the TA value to a base station, wherein the TA value corresponds to a TA value based on two or more component carriers for the wireless transmission. ### Claim 27 (depends on 26) The apparatus of claim 26, wherein the TA threshold value is identified for each component carrier (CC) of a plurality of CCs for the wireless transmission. ### Claim 28 (depends on 20) The apparatus of claim 20, wherein the one or more parameters comprise one or more of a hybrid acknowledgement repeat request (HARQ) feedback timing parameter, a transport block size scaling parameter, a number of supported spatial transmission layers, a channel quality information (CQI) type reporting, or a timing for uplink transmission scheduling. ### Claim 29 (depends on 20) The apparatus of claim 20, wherein the instructions operable to cause the apparatus to set the one or more parameters comprise instructions operable to cause the apparatus to: determine a maximum number of component carriers (CCs) per physical uplink control channel (PUCCH) group. ### Claim 30 (depends on 20) The apparatus of claim 20, wherein: the TA value is based at least in part on a time gap between an earliest uplink carrier and a latest downlink carrier of a component carrier. ### Claim 31 (depends on 30) The apparatus of claim 30, wherein: the time gap is less than the TA threshold value. ### Claim 32 (depends on 20) The apparatus of claim 20, wherein the TA threshold value is identified for each component carrier (CC) of a plurality of CCs for the wireless transmission. ### Claim 33 (depends on 32) The apparatus of claim 32, wherein the plurality of CCs comprise one or more LTE CCs, one or more NR CCs, or combinations thereof. ### Claim 34 (depends on 20) The apparatus of claim 20, wherein the TA threshold value is identified for each of two or more uplink control channel groups of component carriers (CCs) for the wireless transmission. ### Claim 35 (depends on 34) The apparatus of claim 34, wherein each of the two or more uplink control channel groups are part of a carrier aggregation or a dual-connectivity operation. ### Claim 36 (depends on 20) The apparatus of claim 20, wherein the apparatus is a base station, and wherein the instructions operable to cause the apparatus to transmit the one or more signals in accordance with the one or more parameters associated with the wireless transmission comprise instructions operable to cause the apparatus to: transmit, by the wireless transceiver, the one or more parameters to a user equipment for use when transmitting the wireless transmission. ### Claim 37 (depends on 20) The apparatus of claim 20, wherein the apparatus is a user equipment (UE), and wherein the instructions operable to cause the apparatus to transmit the one or more signals in accordance with the one or more parameters associated with the wireless transmission comprise instructions operable to cause the apparatus to transmit the wireless transmission using the one or more parameters, and the instructions are operable to cause the apparatus to: receive, at the wireless transceiver, the one or more parameters from a base station. ### Claim 38 A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable by a processor to: identify a timing advance (TA) value associated with a wireless transmission; identify a TA threshold value based at least in part on a transmission time interval (TTI) of the wireless transmission, wherein the TA threshold value is associated with a processing time for generating feedback information associated with the wireless transmission; set one or more parameters associated with the wireless transmission based at least in part on the TA value and the TA threshold value; and transmit, by a wireless transceiver, one or more signals in accordance with the one or more parameters associated with the wireless transmission.