# US 2017/0290002 A1 · Time-division multiplexing transmission time intervals within a subframe or slot for mmw scheduling > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0290002 A1 - Document ID: US20170290002A1 - Status: Published application - Kind: A1 - Application number: 15/361,878 - Filed: 2016-11-28 - Published: 2017-10-05 - Earliest claimed: 2016-04-04 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Sundar SUBRAMANIAN; Joseph Binamira SORIAGA; Ashwin SAMPATH; Junyi LI; Juergen CEZANNE; Tingfang JI; Alexei Yurievitch GOROKHOV; Muhammad Nazmul ISLAM - Web page: https://patentgrep.com/patent/US20170290002A1 ## CPC - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH} - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - 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 structure where there are self-contained subframes/slots with smaller TTIs within the subframes/slots is provided to address the issues in MMW scheduling. In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may transmit downlink information to at least one UE using a plurality of downlink TTIs within a subframe/slot. The apparatus may receive uplink information from the at least one UE using at least one uplink region within the subframe/slot. In another aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may receive downlink information from a base station using at least one downlink TTI within a subframe/slot. The subframe/slot may include a plurality of downlink TTIs and at least one uplink region. The apparatus may transmit uplink information to the base station using the at least one uplink region within the subframe/slot. ## Claims ### Claim 1 A method of wireless communication of a base station, comprising: transmitting downlink information to at least one user equipment (UE) using a plurality of downlink transmission time intervals (TTIs) within a subframe or slot; and receiving uplink information from the at least one UE using at least one uplink region within the subframe or slot. ### Claim 2 (depends on 1) The method of claim 1, wherein the subframe or slot comprises equally sized TTIs. ### Claim 3 (depends on 1) The method of claim 1, wherein the subframe or slot comprises unequally sized TTIs. ### Claim 4 (depends on 1) The method of claim 1, wherein the uplink information comprises one or more acknowledgments to at least a subset of the plurality of downlink TTIs. ### Claim 5 (depends on 4) The method of claim 4, wherein resources for the one or more acknowledgments are implicitly allocated within the at least one uplink region based on a pattern of the plurality of downlink TTIs. ### Claim 6 (depends on 1) The method of claim 1, wherein the at least one uplink region comprises an uplink control block, wherein each of the plurality of downlink TTIs comprises a downlink control block. ### Claim 7 (depends on 6) The method of claim 6, wherein the uplink control block comprises a plurality of symbols, each of the plurality of symbols corresponding to a UE scheduled in the subframe or slot, wherein each of the plurality of symbols in the uplink control block is smaller than a symbol in a downlink data block of a downlink TTI. ### Claim 8 (depends on 7) The method of claim 7, wherein a number of the plurality of symbols is specified through higher layer signaling. ### Claim 9 (depends on 7) The method of claim 7, wherein a number of the plurality of symbols is specified in at least one downlink control block of the plurality of downlink TTIs. ### Claim 10 (depends on 6) The method of claim 6, wherein the at least one uplink region comprises two or more uplink TTIs. ### Claim 11 (depends on 10) The method of claim 10, wherein the downlink control block of the subframe or slot comprises a plurality of symbols, each of the plurality of symbols corresponding to an uplink TTI of the two or more uplink TTIs, wherein each of the plurality of symbols in the downlink control block of the subframe or slot is smaller than a symbol in a downlink data block of the subframe or slot. ### Claim 12 (depends on 6) The method of claim 6, wherein the downlink control block of a earliest downlink TTI of the plurality of downlink TTIs is synchronized across bases stations, wherein downlink control block of the earliest downlink TTI comprise control information related to a subsequent downlink TTI of the plurality of downlink TTIs. ### Claim 13 (depends on 6) The method of claim 6, wherein the uplink control block of the at least one uplink region is synchronized across bases stations. ### Claim 14 (depends on 6) The method of claim 6, wherein the downlink control block of each downlink TTI specifies resource allocation on the downlink TTI. ### Claim 15 (depends on 6) The method of claim 6, wherein the downlink control block of a downlink TTI indicates a number of combined TTIs within the subframe or slot or a size of each combined TTI. ### Claim 16 (depends on 1) The method of claim 1, wherein a downlink TTI corresponding to a first UE is placed closer to the at least one uplink region than a downlink TTI corresponding to a second UE, the first UE having a higher processing capability than the second UE. ### Claim 17 A method of wireless communication of a user equipment (UE), comprising: receiving downlink information from a base station using at least one downlink transmission time interval (TTI) within a subframe or slot, the subframe or slot comprising a plurality of downlink TTIs and at least one uplink region; and transmitting uplink information to the base station using the at least one uplink region within the subframe or slot. ### Claim 18 (depends on 17) The method of claim 17, wherein the subframe or slot comprises equally sized TTIs. ### Claim 19 (depends on 17) The method of claim 17, wherein subframe or slot comprises unequally sized TTIs. ### Claim 20 (depends on 17) The method of claim 17, wherein the uplink information comprises an acknowledgment to the at least one downlink TTI. ### Claim 21 (depends on 20) The method of claim 20, wherein resource for the acknowledgment is implicitly allocated within the at least one uplink region based on a pattern of the plurality of downlink TTIs. ### Claim 22 (depends on 17) The method of claim 17, wherein the at least one uplink region comprises an uplink control block, wherein each of the plurality of downlink TTIs comprises a downlink control block. ### Claim 23 (depends on 22) The method of claim 22, wherein the uplink control block comprises a plurality of symbols, each of the plurality of symbols corresponding to a UE scheduled in the subframe or slot, wherein each of the plurality of symbols in the uplink control block is smaller than a symbol in a downlink data block of a downlink TTI. ### Claim 24 (depends on 23) The method of claim 23, wherein a number of the plurality of symbols is specified through higher layer signaling. ### Claim 25 (depends on 23) The method of claim 23, wherein a number of the plurality of symbols is specified in at least one downlink control block of the plurality of downlink TTIs. ### Claim 26 (depends on 22) The method of claim 22, wherein the at least one uplink region comprises two or more uplink TTIs. ### Claim 27 (depends on 26) The method of claim 26, wherein the downlink control block of the subframe or slot comprises a plurality of symbols, each of the plurality of symbols corresponding to an uplink TTI of the two or more uplink TTIs, wherein each of the plurality of symbols in the downlink control block of the subframe or slot is smaller than a symbol in a downlink data block of the subframe or slot. ### Claim 28 (depends on 22) The method of claim 22, wherein the downlink control block of a earliest downlink TTI of the plurality of downlink TTIs is synchronized across bases stations, wherein downlink control block of the earliest downlink TTI comprise control information related to a subsequent downlink TTI of the plurality of downlink TTIs. ### Claim 29 (depends on 22) The method of claim 22, wherein the uplink control block of the at least one uplink region is synchronized across bases stations. ### Claim 30 (depends on 22) The method of claim 22, wherein the downlink control block of each downlink TTI specifies resource allocation on the downlink TTI. ### Claim 31 (depends on 22) The method of claim 22, wherein the downlink control block of a downlink TTI indicates a number of combined TTIs within the subframe or slot or a size of each combined TTI. ### Claim 32 (depends on 17) The method of claim 17, wherein a downlink TTI corresponding to a first UE is placed closer to the at least one uplink region than a downlink TTI corresponding to a second UE, the first UE having a higher processing capability than the second UE. ### Claim 33 An apparatus for wireless communication, the apparatus being a base station, comprising: means for transmitting downlink information to at least one user equipment (UE) using a plurality of downlink transmission time intervals (TTIs) within a subframe or slot; and means for receiving uplink information from the at least one UE using at least one uplink region within the subframe or slot. ### Claim 34 (depends on 33) The apparatus of claim 33, wherein the subframe or slot comprises equally sized TTIs. ### Claim 35 (depends on 33) The apparatus of claim 33, wherein the subframe or slot comprises unequally sized TTIs. ### Claim 36 (depends on 33) The apparatus of claim 33, wherein the uplink information comprises one or more acknowledgments to at least a subset of the plurality of downlink TTIs. ### Claim 37 (depends on 36) The apparatus of claim 36, wherein resources for the one or more acknowledgments are implicitly allocated within the at least one uplink region based on a pattern of the plurality of downlink TTIs. ### Claim 38 (depends on 33) The apparatus of claim 33, wherein the at least one uplink region comprises an uplink control block, wherein each of the plurality of downlink TTIs comprises a downlink control block. ### Claim 39 (depends on 38) The apparatus of claim 38, wherein the uplink control block comprises a plurality of symbols, each of the plurality of symbols corresponding to a UE scheduled in the subframe or slot, wherein each of the plurality of symbols in the uplink control block is smaller than a symbol in a downlink data block of a downlink TTI. ### Claim 40 (depends on 39) The apparatus of claim 39, wherein a number of the plurality of symbols is specified through higher layer signaling. ### Claim 41 (depends on 39) The apparatus of claim 39, wherein a number of the plurality of symbols is specified in at least one downlink control block of the plurality of downlink TTIs. ### Claim 42 (depends on 38) The apparatus of claim 38, wherein the at least one uplink region comprises two or more uplink TTIs. ### Claim 43 (depends on 42) The apparatus of claim 42, wherein the downlink control block of the subframe or slot comprises a plurality of symbols, each of the plurality of symbols corresponding to an uplink TTI of the two or more uplink TTIs, wherein each of the plurality of symbols in the downlink control block of the subframe or slot is smaller than a symbol in a downlink data block of the subframe or slot. ### Claim 44 (depends on 38) The apparatus of claim 38, wherein the downlink control block of a earliest downlink TTI of the plurality of downlink TTIs is synchronized across bases stations, wherein downlink control block of the earliest downlink TTI comprise control information related to a subsequent downlink TTI of the plurality of downlink TTIs. ### Claim 45 (depends on 38) The apparatus of claim 38, wherein the uplink control block of the at least one uplink region is synchronized across bases stations. ### Claim 46 (depends on 38) The apparatus of claim 38, wherein the downlink control block of each downlink TTI specifies resource allocation on the downlink TTI. ### Claim 47 (depends on 38) The apparatus of claim 38, wherein the downlink control block of a downlink TTI indicates a number of combined TTIs within the subframe or slot or a size of each combined TTI. ### Claim 48 (depends on 33) The apparatus of claim 33, wherein a downlink TTI corresponding to a first UE is placed closer to the at least one uplink region than a downlink TTI corresponding to a second UE, the first UE having a higher processing capability than the second UE. ### Claim 49 An apparatus for wireless communication, the apparatus being a user equipment (UE), comprising: means for receiving downlink information from a base station using at least one downlink transmission time interval (TTI) within a subframe or slot, the subframe or slot comprising a plurality of downlink TTIs and at least one uplink region; and means for transmitting uplink information to the base station using the at least one uplink region within the subframe or slot. ### Claim 50 (depends on 49) The apparatus of claim 49, wherein the subframe or slot comprises equally sized TTIs. ### Claim 51 (depends on 49) The apparatus of claim 49, wherein subframe or slot comprises unequally sized TTIs. ### Claim 52 (depends on 49) The apparatus of claim 49, wherein the uplink information comprises an acknowledgment to the at least one downlink TTI. ### Claim 53 (depends on 52) The apparatus of claim 52, wherein resource for the acknowledgment is implicitly allocated within the at least one uplink region based on a pattern of the plurality of downlink TTIs. ### Claim 54 (depends on 49) The apparatus of claim 49, wherein the at least one uplink region comprises an uplink control block, wherein each of the plurality of downlink TTIs comprises a downlink control block. ### Claim 55 (depends on 54) The apparatus of claim 54, wherein the uplink control block comprises a plurality of symbols, each of the plurality of symbols corresponding to a UE scheduled in the subframe or slot, wherein each of the plurality of symbols in the uplink control block is smaller than a symbol in a downlink data block of a downlink TTI. ### Claim 56 (depends on 55) The apparatus of claim 55, wherein a number of the plurality of symbols is specified through higher layer signaling. ### Claim 57 (depends on 55) The apparatus of claim 55, wherein a number of the plurality of symbols is specified in at least one downlink control block of the plurality of downlink TTIs. ### Claim 58 (depends on 54) The apparatus of claim 54, wherein the at least one uplink region comprises two or more uplink TTIs. ### Claim 59 (depends on 58) The apparatus of claim 58, wherein the downlink control block of the subframe or slot comprises a plurality of symbols, each of the plurality of symbols corresponding to an uplink TTI of the two or more uplink TTIs, wherein each of the plurality of symbols in the downlink control block of the subframe or slot is smaller than a symbol in a downlink data block of the subframe or slot. ### Claim 60 (depends on 54) The apparatus of claim 54, wherein the downlink control block of a earliest downlink TTI of the plurality of downlink TTIs is synchronized across bases stations, wherein downlink control block of the earliest downlink TTI comprise control information related to a subsequent downlink TTI of the plurality of downlink TTIs. ### Claim 61 (depends on 54) The apparatus of claim 54, wherein the uplink control block of the at least one uplink region is synchronized across bases stations. ### Claim 62 (depends on 54) The apparatus of claim 54, wherein the downlink control block of each downlink TTI specifies resource allocation on the downlink TTI. ### Claim 63 (depends on 54) The apparatus of claim 54, wherein the downlink control block of a downlink TTI indicates a number of combined TTIs within the subframe or slot or a size of each combined TTI. ### Claim 64 (depends on 49) The apparatus of claim 49, wherein a downlink TTI corresponding to a first UE is placed closer to the at least one uplink region than a downlink TTI corresponding to a second UE, the first UE having a higher processing capability than the second UE. ### Claim 65 An apparatus for wireless communication, the apparatus being a base station, comprising: a memory; and at least one processor coupled to the memory and configured to: transmit downlink information to at least one user equipment (UE) using a plurality of downlink transmission time intervals (TTIs) within a subframe or slot; and receive uplink information from the at least one UE using at least one uplink region within the subframe or slot. ### Claim 66 (depends on 65) The apparatus of claim 65, wherein the subframe or slot comprises equally sized TTIs. ### Claim 67 (depends on 65) The apparatus of claim 65, wherein the subframe or slot comprises unequally sized TTIs. ### Claim 68 (depends on 65) The apparatus of claim 65, wherein the uplink information comprises one or more acknowledgments to at least a subset of the plurality of downlink TTIs. ### Claim 69 (depends on 68) The apparatus of claim 68, wherein resources for the one or more acknowledgments are implicitly allocated within the at least one uplink region based on a pattern of the plurality of downlink TTIs. ### Claim 70 (depends on 65) The apparatus of claim 65, wherein the at least one uplink region comprises an uplink control block, wherein each of the plurality of downlink TTIs comprises a downlink control block. ### Claim 71 (depends on 70) The apparatus of claim 70, wherein the uplink control block comprises a plurality of symbols, each of the plurality of symbols corresponding to a UE scheduled in the subframe or slot, wherein each of the plurality of symbols in the uplink control block is smaller than a symbol in a downlink data block of a downlink TTI. ### Claim 72 (depends on 71) The apparatus of claim 71, wherein a number of the plurality of symbols is specified through higher layer signaling. ### Claim 73 (depends on 71) The apparatus of claim 71, wherein a number of the plurality of symbols is specified in at least one downlink control block of the plurality of downlink TTIs. ### Claim 74 (depends on 70) The apparatus of claim 70, wherein the at least one uplink region comprises two or more uplink TTIs. ### Claim 75 (depends on 74) The apparatus of claim 74, wherein the downlink control block of the subframe or slot comprises a plurality of symbols, each of the plurality of symbols corresponding to an uplink TTI of the two or more uplink TTIs, wherein each of the plurality of symbols in the downlink control block of the subframe or slot is smaller than a symbol in a downlink data block of the subframe or slot. ### Claim 76 (depends on 70) The apparatus of claim 70, wherein the downlink control block of a earliest downlink TTI of the plurality of downlink TTIs is synchronized across bases stations, wherein downlink control block of the earliest downlink TTI comprise control information related to a subsequent downlink TTI of the plurality of downlink TTIs. ### Claim 77 (depends on 70) The apparatus of claim 70, wherein the uplink control block of the at least one uplink region is synchronized across bases stations. ### Claim 78 (depends on 70) The apparatus of claim 70, wherein the downlink control block of each downlink TTI specifies resource allocation on the downlink TTI. ### Claim 79 (depends on 70) The apparatus of claim 70, wherein the downlink control block of a downlink TTI indicates a number of combined TTIs within the subframe or slot or a size of each combined TTI. ### Claim 80 (depends on 65) The apparatus of claim 65, wherein a downlink TTI corresponding to a first UE is placed closer to the at least one uplink region than a downlink TTI corresponding to a second UE, the first UE having a higher processing capability than the second UE. ### Claim 81 An apparatus for wireless communication, the apparatus being a user equipment (UE), comprising: a memory; and at least one processor coupled to the memory and configured to: receive downlink information from a base station using at least one downlink transmission time interval (TTI) within a subframe or slot, the subframe or slot comprising a plurality of downlink TTIs and at least one uplink region; and transmit uplink information to the base station using the at least one uplink region within the subframe or slot. ### Claim 82 (depends on 81) The apparatus of claim 81, wherein the subframe or slot comprises equally sized TTIs. ### Claim 83 (depends on 81) The apparatus of claim 81, wherein subframe or slot comprises unequally sized TTIs. ### Claim 84 (depends on 81) The apparatus of claim 81, wherein the uplink information comprises an acknowledgment to the at least one downlink TTI. ### Claim 85 (depends on 84) The apparatus of claim 84, wherein resource for the acknowledgment is implicitly allocated within the at least one uplink region based on a pattern of the plurality of downlink TTIs. ### Claim 86 (depends on 81) The apparatus of claim 81, wherein the at least one uplink region comprises an uplink control block, wherein each of the plurality of downlink TTIs comprises a downlink control block. ### Claim 87 (depends on 86) The apparatus of claim 86, wherein the uplink control block comprises a plurality of symbols, each of the plurality of symbols corresponding to a UE scheduled in the subframe or slot, wherein each of the plurality of symbols in the uplink control block is smaller than a symbol in a downlink data block of a downlink TTI. ### Claim 88 (depends on 87) The apparatus of claim 87, wherein a number of the plurality of symbols is specified through higher layer signaling. ### Claim 89 (depends on 87) The apparatus of claim 87, wherein a number of the plurality of symbols is specified in at least one downlink control block of the plurality of downlink TTIs. ### Claim 90 (depends on 86) The apparatus of claim 86, wherein the at least one uplink region comprises two or more uplink TTIs. ### Claim 91 (depends on 90) The apparatus of claim 90, wherein the downlink control block of the subframe or slot comprises a plurality of symbols, each of the plurality of symbols corresponding to an uplink TTI of the two or more uplink TTIs, wherein each of the plurality of symbols in the downlink control block of the subframe or slot is smaller than a symbol in a downlink data block of the subframe or slot. ### Claim 92 (depends on 86) The apparatus of claim 86, wherein the downlink control block of a earliest downlink TTI of the plurality of downlink TTIs is synchronized across bases stations, wherein downlink control block of the earliest downlink TTI comprise control information related to a subsequent downlink TTI of the plurality of downlink TTIs. ### Claim 93 (depends on 86) The apparatus of claim 86, wherein the uplink control block of the at least one uplink region is synchronized across bases stations. ### Claim 94 (depends on 86) The apparatus of claim 86, wherein the downlink control block of each downlink TTI specifies resource allocation on the downlink TTI. ### Claim 95 (depends on 86) The apparatus of claim 86, wherein the downlink control block of a downlink TTI indicates a number of combined TTIs within the subframe or slot or a size of each combined TTI. ### Claim 96 (depends on 81) The apparatus of claim 81, wherein a downlink TTI corresponding to a first UE is placed closer to the at least one uplink region than a downlink TTI corresponding to a second UE, the first UE having a higher processing capability than the second UE. ### Claim 97 A computer-readable medium storing computer executable code, comprising code to: transmit downlink information to at least one user equipment (UE) using a plurality of downlink transmission time intervals (TTIs) within a subframe or slot; and receive uplink information from the at least one UE using at least one uplink region within the subframe or slot. ### Claim 98 A computer-readable medium storing computer executable code, comprising code to: receive downlink information from a base station using at least one downlink transmission time interval (TTI) within a subframe or slot, the subframe or slot comprising a plurality of downlink TTIs and at least one uplink region; and transmit uplink information to the base station using the at least one uplink region within the subframe or slot.