# US 2017/0289993 A1 · Techniques for configuring uplink control channel transmissions in a shared radio frequency spectrum band > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0289993 A1 - Document ID: US20170289993A1 - Status: Published application - Kind: A1 - Application number: 15/471,524 - Filed: 2017-03-28 - Published: 2017-10-05 - Earliest claimed: 2016-03-30 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Srinivas Yerramalli; Wanshi Chen; Peter Gaal; Juan Montojo - Web page: https://patentgrep.com/patent/US20170289993A1 ## CPC - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04L 1/1864: {ARQ related signaling (H04L1/1607 takes precedence)} - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0041: {Frequency-non-contiguous} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04L 5/0057: {Physical resource allocation for CQI} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04W 72/542: using measured or perceived quality - H04W 16/14: Spectrum sharing arrangements {between different networks} - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - 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 Uplink control channel transmission in a shared radio frequency spectrum band may be transmitted using different uplink resources UCI based on a format of uplink control information (UCI) to be transmitted in the uplink control channel transmission. Different time resources, frequency resources, or combinations thereof, for the transmission of UCI by a UE may be provided by a base station and selected by the UE based on a UCI format. The resources to be used for UCI transmission may semi-statically configured, or dynamically indicated to a UE. Uplink transmissions may be configured in interlaces of frequency resources, with each interlace having one or more segments, and a base station may configure different segments for transmission of different format UCI. In some cases, different subframes, or different component carriers, may be configured for different formats of UCI. ## Claims ### Claim 1 A method for wireless communication, comprising: identifying an uplink control information (UCI) format for transmitting UCI using an uplink control channel transmission; identifying, based at least in part on the identified UCI format, a first subset of uplink control channel resources from a set of configured uplink control channel resources, the set of configured uplink control channel resources includes a plurality of subsets of uplink control channel frequency resources, a plurality of subsets of uplink control channel time resources, or combinations thereof, and wherein different subsets of the set of configured uplink control channel resources correspond to different UCI formats; and communicating the UCI using the first subset of uplink control channel resources. ### Claim 2 (depends on 1) The method of claim 1, wherein the set of configured uplink control channel resources comprises a first set of frequency resource interlaces and a first set of frequency resource interlace segments, each frequency resource interlace segment of the first set of frequency resource interlace segments comprises a portion of resources of frequency resource interlaces of the first set of frequency resource interlaces, and wherein identifying the first subset of uplink control channel resources comprises identifying a first subset of the first set of frequency resource interlace segments based at least in part on the identified UCI format. ### Claim 3 (depends on 1) The method of claim 1, wherein the set of configured uplink control channel resources comprises a subset of uplink control channel resources of a plurality of subframes, the subset of uplink control channel resources for different subframes being configured for different UCI formats, and wherein identifying the first subset of uplink control channel resources comprises identifying a first subset of uplink control channel resources of a first subframe based at least in part on the identified UCI format. ### Claim 4 (depends on 1) The method of claim 1, wherein the set of configured uplink control channel resources comprises a subset of uplink control channel resources of a plurality of uplink component carriers, the subset of uplink control channel resources for different component carriers being configured for different UCI formats, and wherein identifying the first subset of uplink control channel resources comprises identifying a first subset of uplink control channel resources of a first component carrier based at least in part on the identified UCI format. ### Claim 5 (depends on 1) The method of claim 1, further comprising: receiving a first uplink grant for the uplink control channel transmission, the first uplink grant including an allocation of the first subset of uplink control channel resources; and wherein communicating the UCI comprises transmitting the UCI using the first subset of uplink control channel resources allocated in the first uplink grant. ### Claim 6 (depends on 1) The method of claim 1, further comprising: receiving signaling indicating the UCI format for transmitting the UCI; and wherein communicating the UCI comprises transmitting the UCI using the indicated UCI format. ### Claim 7 (depends on 6) The method of claim 6, wherein the signaling is received in physical downlink control channel (PDCCH) signaling or in an uplink grant. ### Claim 8 (depends on 1) The method of claim 1, further comprising: identifying a scheduling request (SR) to be transmitted using a primary component carrier in a first subframe; and dropping the transmission of the SR using the primary component carrier based at least in part on identifying that a buffer status report (BSR) is to be included in the UCI and transmitted using the first subset of uplink control channel resources of a secondary component carrier in the first subframe. ### Claim 9 (depends on 1) The method of claim 1, further comprising: identifying periodic channel state information (CSI) is to be included in the UCI and transmitted in a first subframe; identifying that aperiodic CSI is to be transmitted during the first subframe using different resources than the first subset of uplink control channel resources; and dropping the periodic CSI from the UCI based at least in part on a size of a payload of the periodic CSI. ### Claim 10 (depends on 1) The method of claim 1, further comprising: identifying a number of hybrid automatic repeat request (HARQ) feedback bits to be included in the UCI based at least in part on a number of configured component carriers, a number of HARQ processes per component carrier, or any combination thereof. ### Claim 11 (depends on 1) The method of claim 1, wherein the set of configured uplink resources is in a shared radio frequency spectrum band. ### Claim 12 A method for wireless communication, comprising: identifying a plurality of different uplink control information (UCI) formats for transmitting UCI in an uplink control channel transmission; configuring, for each of the plurality of different UCI formats, a different subset of uplink control channel resources from a set of uplink control channel resources, wherein each subset of uplink control channel resources comprises a subset of uplink control channel frequency resources, a subset of uplink control channel time resources, or combinations thereof; and communicating the configured subsets of uplink control channel resources to one or more receivers. ### Claim 13 (depends on 12) The method of claim 12, wherein each subset of uplink control channel resources comprises a set of frequency resource interlaces and a set of frequency resource interlace segments, each frequency resource interlace segment of the set of frequency resource interlace segments comprises a portion of resources of frequency resource interlaces of the set of frequency resource interlaces. ### Claim 14 (depends on 12) The method of claim 12, wherein each subset of uplink control channel resources comprises a subset of uplink control channel resources of different subframes of a plurality of subframes, and wherein configuring the different subsets of uplink control channel resources comprises: configuring the subset of uplink control channel resources for the different subframes for different UCI formats. ### Claim 15 (depends on 12) The method of claim 12, wherein each subset of uplink control channel resources comprises a subset of uplink control channel resources of different component carriers, and wherein configuring the different subsets of uplink control channel resources comprises: configuring the subset of uplink control channel resources for the different component carriers for different UCI formats. ### Claim 16 (depends on 12) The method of claim 12, further comprising: configuring the one or more receivers to drop a scheduling request (SR) transmission using a primary component carrier in a first subframe based at least in part on an identification that a buffer status report (BSR) is to be included in the UCI and transmitted in the first subframe. ### Claim 17 (depends on 12) The method of claim 12, further comprising: configuring the one or more receivers to drop periodic channel state information (CSI) from the UCI during a first subframe based at least in part on a payload size of the periodic CSI and an identification that aperiodic CSI is to be transmitted during the first subframe using different resources than the configured subset of uplink control channel resources. ### Claim 18 (depends on 12) The method of claim 12, wherein the set of uplink control channel resources is in a shared radio frequency spectrum band. ### Claim 19 An apparatus for wireless communication, comprising: a processor; memory in electronic communication with the processor; and instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to: identify an uplink control information (UCI) format for transmitting UCI using an uplink control channel transmission; identify, based at least in part on the identified UCI format, a first subset of uplink control channel resources from a set of configured uplink control channel resources, the set of configured uplink control channel resources includes a plurality of subsets of uplink control channel frequency resources, a plurality of subsets of uplink control channel time resources, or combinations thereof, and wherein different subsets of the set of configured uplink control channel resources correspond to different UCI formats; and communicate the UCI using the first subset of uplink control channel resources. ### Claim 20 (depends on 19) The apparatus of claim 19, wherein the set of configured uplink control channel resources comprises a first set of frequency resource interlaces and a first set of frequency resource interlace segments, each frequency resource interlace segment of the first set of frequency resource interlace segments including a portion of resources of frequency resource interlaces of the first set of frequency resource interlaces, and wherein the first subset of uplink control channel resources are identified as a first subset of the first set of frequency resource interlace segments based at least in part on the identified UCI format. ### Claim 21 (depends on 19) The apparatus of claim 19, wherein the instructions are operable to cause the processor to: receive a first uplink grant for the uplink control channel transmission, the first uplink grant including an allocation of the first subset of uplink control channel resources, and transmit the UCI using the first subset of uplink control channel resources allocated in the first uplink grant. ### Claim 22 (depends on 19) The apparatus of claim 19, wherein the instructions are operable to cause the processor to: receive signaling indicating the UCI format for transmitting the UCI, wherein communicating the UCI comprises transmitting the UCI using the indicated UCI format. ### Claim 23 (depends on 19) The apparatus of claim 19, wherein the instructions are operable to cause the processor to: identify a scheduling request (SR) to be transmitted using a primary component carrier in a first subframe; and drop the transmission of the SR using the primary component carrier based at least in part on identifying that a buffer status report (BSR) is to be included in the UCI and transmitted using the first subset of uplink control channel resources of a secondary component carrier in the first subframe. ### Claim 24 (depends on 19) The apparatus of claim 19, wherein the instructions are operable to cause the processor to: identify periodic channel state information (CSI) is to be included in the UCI and transmitted in a first subframe; identify that aperiodic CSI is to be transmitted during the first subframe using different resources than the first subset of uplink control channel resources; and drop the periodic CSI from the UCI based at least in part on a size of a payload of the periodic CSI. ### Claim 25 (depends on 19) The apparatus of claim 19, wherein the instructions are operable to cause the processor to: identify a number of hybrid automatic repeat request (HARQ) feedback bits to be included in the UCI based at least in part on a number of configured component carriers, a number of HARQ processes per component carrier, or any combination thereof. ### Claim 26 An apparatus for wireless communication, comprising: a processor; memory in electronic communication with the processor; and instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to: identify a plurality of different uplink control information (UCI) formats for transmitting UCI in an uplink control channel transmission; configure, for each of the plurality of different UCI formats, a different subset of uplink control channel resources from a set of uplink control channel resources, wherein each subset of uplink control channel resources comprises a subset of uplink control channel frequency resources, a subset of uplink control channel time resources, or combinations thereof; and communicate the configured subsets of uplink control channel resources to one or more receivers. ### Claim 27 (depends on 26) The apparatus of claim 26, wherein each subset of uplink control channel resources comprises a set of frequency resource interlaces and a set of frequency resource interlace segments, and each frequency resource interlace segment of the set of frequency resource interlace segments comprises a portion of resources of frequency resource interlaces of the set of frequency resource interlaces. ### Claim 28 (depends on 26) The apparatus of claim 26, wherein the instructions are operable to cause the processor to: configure the one or more receivers to drop a scheduling request (SR) transmission using a primary component carrier in a first subframe based at least in part on an identification that a buffer status report (BSR) is to be included in the UCI and transmitted in the first subframe. ### Claim 29 (depends on 26) The apparatus of claim 26, wherein the instructions are operable to cause the processor to: configure the one or more receivers to drop periodic channel state information (CSI) from the UCI during a first subframe based at least in part on a payload size of the periodic CSI and an identification that aperiodic CSI is to be transmitted during the first subframe using different resources than the configured subset of uplink control channel resources. ### Claim 30 (depends on 26) The apparatus of claim 26, wherein the set of uplink control channel resources is in a shared radio frequency spectrum band.