WO2023015140A1 - Transmission of a hybrid automatic repeat request acknowledgment codebook - Google Patents
Transmission of a hybrid automatic repeat request acknowledgment codebook Download PDFInfo
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- WO2023015140A1 WO2023015140A1 PCT/US2022/074336 US2022074336W WO2023015140A1 WO 2023015140 A1 WO2023015140 A1 WO 2023015140A1 US 2022074336 W US2022074336 W US 2022074336W WO 2023015140 A1 WO2023015140 A1 WO 2023015140A1
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- values
- slivs
- harq
- timing offset
- ack codebook
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- 230000005540 biological transmission Effects 0.000 title description 40
- 238000004891 communication Methods 0.000 claims abstract description 135
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1864—ARQ related signaling
Definitions
- aspects of the present disclosure generally relate to wireless communication and to techniques and apparatuses for transmission of a hybrid automatic repeat request acknowledgment codebook.
- Wireless communication systems are widely deployed to provide various telecommunication services such as telephony, video, data, messaging, and broadcasts.
- Typical wireless communication systems may employ multiple-access technologies capable of supporting communication with multiple users by sharing available system resources (e.g., bandwidth, transmit power, or the like).
- multiple-access technologies include code division multiple access (CDMA) systems, time division multiple access (TDMA) systems, frequency division multiple access (FDMA) systems, orthogonal frequency division multiple access (OFDMA) systems, single-carrier frequency division multiple access (SC- FDMA) systems, time division synchronous code division multiple access (TD-SCDMA) systems, and Long Term Evolution (LTE).
- LTE/LTE- Advanced is a set of enhancements to the Universal Mobile Telecommunications System (UMTS) mobile standard promulgated by the Third Generation Partnership Project (3GPP).
- UMTS Universal Mobile Telecommunications System
- a wireless network may include one or more network nodes that support communication for a user equipment (UE) or multiple UEs.
- a UE may communicate with a network node via downlink communications and uplink communications.
- Downlink (or “DL”) refers to a communication link from the network node to the UE
- uplink (or “UL”) refers to a communication link from the UE to the network node.
- NR New Radio
- 5G is a set of enhancements to the LTE mobile standard promulgated by the 3GPP.
- NR is designed to better support mobile broadband internet access by improving spectral efficiency, lowering costs, improving services, making use of new spectrum, and better integrating with other open standards using orthogonal frequency division multiplexing (OLDM) with a cyclic prefix (CP) (CP-OLDM) on the downlink, using CP-OLDM and/or single-carrier frequency division multiplexing (SC-LDM) (also known as discrete Pourier transform spread OFDM (DFT-s-OFDM)) on the uplink, as well as supporting beamforming, multiple -input multiple -output (MIMO) antenna technology, and carrier aggregation.
- OFDM orthogonal frequency division multiplexing
- SC-LDM single-carrier frequency division multiplexing
- DFT-s-OFDM discrete Pourier transform spread OFDM
- MIMO multiple -input multiple -output
- the method may include receiving one or more of an indication of a set of timing offset values associated with a hybrid automatic repeat request acknowledgment (HARQ-ACK) codebook or information associated with a set of start and length indicator values (SLIVs) for candidate data channels associated with the HARQ-ACK codebook.
- the method may include transmitting the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- HARQ-ACK hybrid automatic repeat request acknowledgment
- SLIVs start and length indicator values
- the method may include transmitting one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook.
- the method may include receiving the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the user equipment may include a memory and one or more processors coupled to the memory.
- the one or more processors may be configured to receive one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook.
- the one or more processors may be configured to transmit the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the network node may include a memory and one or more processors coupled to the memory.
- the one or more processors may be configured to transmit one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook.
- the one or more processors may be configured to receive the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by a UE.
- the set of instructions when executed by one or more processors of the UE, may cause the UE to receive one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook.
- the set of instructions when executed by one or more processors of the UE, may cause the UE to transmit the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- Some aspects described herein relate to a non-transitory computer-readable medium that stores a set of instructions for wireless communication by a network node.
- the set of instructions when executed by one or more processors of the network node, may cause the network node to transmit one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook.
- the set of instructions when executed by one or more processors of the network node, may cause the network node to receive the HARQ- ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the apparatus may include means for receiving one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook.
- the apparatus may include means for transmitting the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- Some aspects described herein relate to an apparatus for wireless communication.
- the apparatus may include means for transmitting one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook.
- the apparatus may include means for receiving the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- aspects generally include a method, apparatus, system, computer program product, non-transitory computer-readable medium, user equipment, base station, network node, wireless communication device, and/or processing system as substantially described herein with reference to and as illustrated by the drawings and specification.
- aspects are described in the present disclosure by illustration to some examples, those skilled in the art will understand that such aspects may be implemented in many different arrangements and scenarios.
- Techniques described herein may be implemented using different platform types, devices, systems, shapes, sizes, and/or packaging arrangements.
- some aspects may be implemented via integrated chip embodiments or other non-modulecomponent based devices (e.g., end-user devices, vehicles, communication devices, computing devices, industrial equipment, retail/purchasing devices, medical devices, and/or artificial intelligence devices).
- Aspects may be implemented in chip-level components, modular components, non-modular components, non-chip-level components, device-level components, and/or system-level components.
- Devices incorporating described aspects and features may include additional components and features for implementation and practice of claimed and described aspects.
- transmission and reception of wireless signals may include one or more components for analog and digital purposes (e.g., hardware components including antennas, radio frequency (RF) chains, power amplifiers, modulators, buffers, processors, interleavers, adders, and/or summers).
- RF radio frequency
- aspects described herein may be practiced in a wide variety of devices, components, systems, distributed arrangements, and/or end-user devices of varying size, shape, and constitution.
- FIG. 1 is a diagram illustrating an example of a wireless network, in accordance with the present disclosure.
- FIG. 2 is a diagram illustrating an example of a network node in communication with a user equipment (UE) in a wireless network, in accordance with the present disclosure.
- UE user equipment
- Fig. 3 is a diagram illustrating an example of timing offset values, in accordance with the present disclosure.
- Fig. 4 is a diagram illustrating an example of start and length values for candidate data channels, in accordance with the present disclosure.
- Fig. 5 is a diagram illustrating an example associated with transmission of a hybrid automatic repeat request acknowledgment codebook., in accordance with the present disclosure.
- Figs. 6 and 7 are diagrams illustrating example processes associated with transmission of a hybrid automatic repeat request acknowledgment codebook, in accordance with the present disclosure.
- FIGs. 8 and 9 are diagrams of example apparatuses for wireless communication, in accordance with the present disclosure.
- Fig. 1 is a diagram illustrating an example of a wireless network 100, in accordance with the present disclosure.
- the wireless network 100 may be or may include elements of a 5G (e.g., NR) network and/or a 4G (e.g., Long Term Evolution (LTE)) network, among other examples.
- 5G e.g., NR
- 4G e.g., Long Term Evolution (LTE) network
- the wireless network 100 may include one or more network nodes 110 (shown as a BS 110a, a BS 110b, a BS 110c, and a BS 1 lOd), a user equipment (UE) 120 or multiple UEs 120 (shown as a UE 120a, a UE 120b, a UE 120c, a UE 120d, and a UE 120e), and/or other network entities.
- a network node 110 is an entity that communicates with UEs 120.
- a network node 110 may include, for example, an NR base station, an LTE base station, a Node B, an eNB (e.g., in 4G), a gNB (e.g., in 5G), an access point, and/or a transmission reception point (TRP).
- Each network node 110 may provide communication coverage for a particular geographic area.
- the term “cell” can refer to a coverage area of a network node 110 and/or a network node subsystem serving this coverage area, depending on the context in which the term is used.
- a network node 110 may provide communication coverage for a macro cell, a pico cell, a femto cell, and/or another type of cell.
- a macro cell may cover a relatively large geographic area (e.g., several kilometers in radius) and may allow unrestricted access by UEs 120 with service subscriptions.
- a pico cell may cover a relatively small geographic area and may allow unrestricted access by UEs 120 with service subscription.
- a femto cell may cover a relatively small geographic area (e.g., a home) and may allow restricted access by UEs 120 having association with the femto cell (e.g., UEs 120 in a closed subscriber group (CSG)).
- CSG closed subscriber group
- a network node 110 for a macro cell may be referred to as a macro base station.
- a network node 110 for a pico cell may be referred to as a pico base station.
- a network node 110 for a femto cell may be referred to as a femto base station or an in-home base station.
- the BS 110a may be a macro base station for a macro cell 102a
- the BS 110b may be a pico base station for a pico cell 102b
- the BS 110c may be a femto base station for a femto cell 102c.
- a network node may support one or multiple (e.g., three) cells.
- a cell may not necessarily be stationary, and the geographic area of the cell may move according to the location of a network node 110 that is mobile (e.g., a mobile network node).
- the network nodes 110 may be interconnected to one another and/or to one or more other network nodes 110 or network nodes (not shown) in the wireless network 100 through various types of backhaul interfaces, such as a direct physical connection or a virtual network, using any suitable transport network.
- the wireless network 100 may include one or more relay stations.
- a relay station is an entity that can receive a transmission of data from an upstream station (e.g., a network node 110 or a UE 120) and send a transmission of the data to a downstream station (e.g., a UE 120 or a network node 110).
- a relay station may be a UE 120 that can relay transmissions for other UEs 120.
- the BS 1 lOd e.g., a relay network node
- the BS 110a e.g., a macro network node
- a network node 110 that relays communications may be referred to as a relay station, a relay network node, a relay, or the like.
- the wireless network 100 may be a heterogeneous network that includes network nodes 110 of different types, such as macro base stations, pico base stations, femto base stations, relay base stations, or the like. These different types of network nodes 110 may have different transmit power levels, different coverage areas, and/or different impacts on interference in the wireless network 100. For example, macro base stations may have a high transmit power level (e.g., 5 to 40 watts) whereas pico base stations, femto base stations, and relay base stations may have lower transmit power levels (e.g., 0.1 to 2 watts).
- macro base stations may have a high transmit power level (e.g., 5 to 40 watts)
- pico base stations, femto base stations, and relay base stations may have lower transmit power levels (e.g., 0.1 to 2 watts).
- a network controller 130 may couple to or communicate with a set of network nodes 110 and may provide coordination and control for these network nodes 110.
- the network controller 130 may communicate with the network nodes 110 via a backhaul communication link.
- the network nodes 110 may communicate with one another directly or indirectly via a wireless or wireline backhaul communication link.
- the UEs 120 may be dispersed throughout the wireless network 100, and each UE 120 may be stationary or mobile.
- a UE 120 may include, for example, an access terminal, a terminal, a mobile station, and/or a subscriber unit.
- a UE 120 may be a cellular phone (e.g., a smart phone), a personal digital assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a laptop computer, a cordless phone, a wireless local loop (WLL) station, a tablet, a camera, a gaming device, a netbook, a smartbook, an ultrabook, a medical device, a biometric device, a wearable device (e.g., a smart watch, smart clothing, smart glasses, a smart wristband, smart jewelry (e.g., a smart ring or a smart bracelet)), an entertainment device (e.g., a music device, a video device, and/or a satellite radio), a vehicular component or sensor,
- Some UEs 120 may be considered machine-type communication (MTC) or evolved or enhanced machine-type communication (eMTC) UEs.
- An MTC UE and/or an eMTC UE may include, for example, a robot, a drone, a remote device, a sensor, a meter, a monitor, and/or a location tag, that may communicate with a network node, another device (e.g., a remote device), or some other entity.
- Some UEs 120 may be considered Intemet-of-Things (loT) devices, and/or may be implemented as NB-IoT (narrowband loT) devices.
- Some UEs 120 may be considered a Customer Premises Equipment.
- a UE 120 may be included inside a housing that houses components of the UE 120, such as processor components and/or memory components.
- the processor components and the memory components may be coupled together.
- the processor components e.g., one or more processors
- the memory components e.g., a memory
- the processor components and the memory components may be operatively coupled, communicatively coupled, electronically coupled, and/or electrically coupled.
- any number of wireless networks 100 may be deployed in a given geographic area.
- Each wireless network 100 may support a particular RAT and may operate on one or more frequencies.
- a RAT may be referred to as a radio technology, an air interface, or the like.
- a frequency may be referred to as a carrier, a frequency channel, or the like.
- Each frequency may support a single RAT in a given geographic area in order to avoid interference between wireless networks of different RATs.
- NR or 5G RAT networks may be deployed.
- two or more UEs 120 may communicate directly using one or more sidelink channels (e.g., without using a network node 110 as an intermediary to communicate with one another).
- the UEs 120 may communicate using peer-to-peer (P2P) communications, device-to-device (D2D) communications, a vehicle-to-everything (V2X) protocol (e.g., which may include a vehicle-to- vehicle (V2V) protocol, a vehicle-to-infrastructure (V2I) protocol, or a vehicle-to-pedestrian (V2P) protocol), and/or a mesh network.
- P2P peer-to-peer
- D2D device-to-device
- V2X vehicle-to-everything
- V2V vehicle-to-everything
- V2V vehicle-to- vehicle protocol
- V2I vehicle-to-infrastructure
- V2P vehicle-to-pedestrian
- a UE 120 may perform scheduling operations, resource selection operations, and/or other operations described elsewhere herein as being performed by the network node 110.
- Devices of the wireless network 100 may communicate using the electromagnetic spectrum, which may be subdivided by frequency or wavelength into various classes, bands, channels, or the like. For example, devices of the wireless network 100 may communicate using one or more operating bands. In 5G NR, two initial operating bands have been identified as frequency range designations FR1 (410 MHz - 7.125 GHz) and FR2 (24.25 GHz - 52.6 GHz).
- FR1 is often referred to (interchangeably) as a “Sub-6 GHz” band in various documents and articles.
- FR2 which is often referred to (interchangeably) as a “millimeter wave” band in documents and articles, despite being different from the extremely high frequency (EHF) band (30 GHz - 300 GHz) which is identified by the International Telecommunications Union (ITU) as a “millimeter wave” band.
- EHF extremely high frequency
- FR3 7.125 GHz - 24.25 GHz
- FR3 7.125 GHz - 24.25 GHz
- Frequency bands falling within FR3 may inherit FR1 characteristics and/or FR2 characteristics, and thus may effectively extend features of FR1 and/or FR2 into mid-band frequencies.
- higher frequency bands are currently being explored to extend 5G NR operation beyond 52.6 GHz.
- FR4a or FR4-1 52.6 GHz - 71 GHz
- FR4 52.6 GHz - 114.25 GHz
- FR5 114.25 GHz - 300 GHz.
- Each of these higher frequency bands falls within the EHF band.
- sub-6 GHz may broadly represent frequencies that may be less than 6 GHz, may be within FR1, or may include mid-band frequencies.
- millimeter wave may broadly represent frequencies that may include mid-band frequencies, may be within FR2, FR4, FR4-a or FR4-1, and/or FR5, or may be within the EHF band.
- frequencies included in these operating bands may be modified, and techniques described herein are applicable to those modified frequency ranges.
- a network node may be implemented in an aggregated or disaggregated architecture.
- RAN radio access network
- a base station such as a Node B (NB), evolved NB (eNB), NR base station (BS), 5G NB, gNodeB (gNB), access point (AP), transmit receive point (TRP), or cell
- NB Node B
- eNB evolved NB
- BS NR base station
- 5G NB gNodeB
- AP access point
- TRP transmit receive point
- Cell may be implemented as an aggregated base station (also known as a standalone base station or a monolithic base station) or a disaggregated base station.
- Network entity or “network node” may refer to a disaggregated base station, or to one or more units of a disaggregated base station (such as one or more CUs, one or more DUs, one or more RUs, or a combination thereof).
- An aggregated base station may be configured to utilize a radio protocol stack that is physically or logically integrated within a single RAN node (for example, within a single device or unit).
- a disaggregated base station may be configured to utilize a protocol stack that is physically or logically distributed among two or more units (such as one or more CUs, one or more DUs, or one or more RUs).
- a CU may be implemented within a RAN node, and one or more DUs may be co-located with the CU, or alternatively, may be geographically or virtually distributed throughout one or multiple other RAN nodes.
- the DUs may be implemented to communicate with one or more RUs.
- Each of the CU, DU, and RU also may be implemented as virtual units (e.g., a virtual central unit (VCU), a virtual distributed unit (VDU), or a virtual radio unit (VRU)).
- VCU virtual central unit
- VDU virtual distributed unit
- VRU virtual radio unit
- Base station-type operation or network design may consider aggregation characteristics of base station functionality.
- disaggregated base stations may be utilized in an integrated access backhaul (IAB) network, an open radio access network (O-RAN (such as the network configuration sponsored by the O-RAN Alliance)), or a virtualized radio access network (vRAN, also known as a cloud radio access network (C-RAN)) to facilitate scaling of communication systems by separating base station functionality into one or more units that may be individually deployed.
- a disaggregated base station may include functionality implemented across two or more units at various physical locations, as well as functionality implemented for at least one unit virtually, which may enable flexibility in network design.
- the various units of the disaggregated base station may be configured for wired or wireless communication with at least one other unit of the disaggregated base station.
- the UE 120 may include a communication manager 140.
- the communication manager 140 may receive one or more of an indication of a set of timing offset values associated with a hybrid automatic repeat request (HARQ)-acknowledgement (ACK) (HARQ-ACK) codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook; and transmit the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs. Additionally, or alternatively, the communication manager 140 may perform one or more other operations described herein.
- HARQ hybrid automatic repeat request
- ACK HARQ-ACK codebook
- the communication manager 140 may perform one or more other operations described herein.
- the network node 110 may include a communication manager 150.
- the communication manager 150 may transmit one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook; and receive the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the communication manager 150 may perform one or more other operations described herein.
- Fig. 1 is provided as an example. Other examples may differ from what is described with regard to Fig. 1.
- Fig. 2 is a diagram illustrating an example 200 of a network node 110 in communication with a UE 120 in a wireless network 100, in accordance with the present disclosure.
- the network node 110 may be equipped with a set of antennas 234a through 234t, such as T antennas (T> 1).
- the UE 120 may be equipped with a set of antennas 252a through 252r, such as R antennas (R > 1).
- a transmit processor 220 may receive data, from a data source 212, intended for the UE 120 (or a set of UEs 120).
- the transmit processor 220 may select one or more modulation and coding schemes (MCSs) for the UE 120 based at least in part on one or more channel quality indicators (CQIs) received from that UE 120.
- MCSs modulation and coding schemes
- CQIs channel quality indicators
- the network node 110 may process (e.g., encode and modulate) the data for the UE 120 based at least in part on the MCS(s) selected for the UE 120 and may provide data symbols for the UE 120.
- the transmit processor 220 may process system information (e.g., for semi-static resource partitioning information (SRPI)) and control information (e.g., CQI requests, grants, and/or upper layer signaling) and provide overhead symbols and control symbols.
- the transmit processor 220 may generate reference symbols for reference signals (e.g., a cell-specific reference signal (CRS) or a demodulation reference signal (DMRS)) and synchronization signals (e.g., a primary synchronization signal (PSS) or a secondary synchronization signal (SSS)).
- reference signals e.g., a cell-specific reference signal (CRS) or a demodulation reference signal (DMRS)
- synchronization signals e.g., a primary synchronization signal (PSS) or a secondary synchronization signal (SSS)
- a transmit (TX) multiple-input multiple-output (MIMO) processor 230 may perform spatial processing (e.g., precoding) on the data symbols, the control symbols, the overhead symbols, and/or the reference symbols, if applicable, and may provide a set of output symbol streams (e.g., T output symbol streams) to a corresponding set of modems 232 (e.g., T modems), shown as modems 232a through 232t.
- each output symbol stream may be provided to a modulator component (shown as MOD) of a modem 232.
- Each modem 232 may use a respective modulator component to process a respective output symbol stream (e.g., for OFDM) to obtain an output sample stream.
- Each modem 232 may further use a respective modulator component to process (e.g., convert to analog, amplify, fdter, and/or upconvert) the output sample stream to obtain a downlink signal.
- the modems 232a through 232t may transmit a set of downlink signals (e.g., T downlink signals) via a corresponding set of antennas 234 (e.g., T antennas), shown as antennas 234a through 234t.
- a set of antennas 252 may receive the downlink signals from the network node 110 and/or other network nodes 110 and may provide a set of received signals (e.g., R received signals) to a set of modems 254 (e.g., R modems), shown as modems 254a through 254r.
- R received signals e.g., R received signals
- each received signal may be provided to a demodulator component (shown as DEMOD) of a modem 254.
- DEMOD demodulator component
- Each modem 254 may use a respective demodulator component to condition (e.g., filter, amplify, downconvert, and/or digitize) a received signal to obtain input samples.
- Each modem 254 may use a demodulator component to further process the input samples (e.g., for OFDM) to obtain received symbols.
- a MIMO detector 256 may obtain received symbols from the modems 254, may perform MIMO detection on the received symbols if applicable, and may provide detected symbols.
- a receive processor 258 may process (e.g., demodulate and decode) the detected symbols, may provide decoded data for the UE 120 to a data sink 260, and may provide decoded control information and system information to a controller/processor 280.
- controller/processor may refer to one or more controllers, one or more processors, or a combination thereof.
- a channel processor may determine a reference signal received power (RSRP) parameter, a received signal strength indicator (RSSI) parameter, a reference signal received quality (RSRQ) parameter, and/or a CQI parameter, among other examples.
- RSRP reference signal received power
- RSSI received signal strength indicator
- RSSRQ reference signal received quality
- CQI CQI parameter
- the network controller 130 may include a communication unit 294, a controller/processor 290, and a memory 292.
- the network controller 130 may include, for example, one or more devices in a core network.
- the network controller 130 may communicate with the network node 110 via the communication unit 294.
- One or more antennas may include, or may be included within, one or more antenna panels, one or more antenna groups, one or more sets of antenna elements, and/or one or more antenna arrays, among other examples.
- An antenna panel, an antenna group, a set of antenna elements, and/or an antenna array may include one or more antenna elements (within a single housing or multiple housings), a set of coplanar antenna elements, a set of non-coplanar antenna elements, and/or one or more antenna elements coupled to one or more transmission and/or reception components, such as one or more components of Fig. 2.
- a transmit processor 264 may receive and process data from a data source 262 and control information (e.g., for reports that include RSRP, RSSI, RSRQ, and/or CQI) from the controller/processor 280.
- the transmit processor 264 may generate reference symbols for one or more reference signals.
- the symbols from the transmit processor 264 may be precoded by a TX MIMO processor 266 if applicable, further processed by the modems 254 (e.g., for DFT-s-OFDM or CP-OFDM), and transmitted to the network node 110.
- the modem 254 of the UE 120 may include a modulator and a demodulator.
- the UE 120 includes a transceiver.
- the transceiver may include any combination of the antenna(s) 252, the modem(s) 254, the MIMO detector 256, the receive processor 258, the transmit processor 264, and/or the TX MIMO processor 266.
- the transceiver may be used by a processor (e.g., the controller/processor 280) and the memory 282 to perform aspects of any of the methods described herein (e.g., with reference to Figs. 5-9).
- the uplink signals from UE 120 and/or other UEs may be received by the antennas 234, processed by the modem 232 (e.g., a demodulator component, shown as DEMOD, of the modem 232), detected by a MIMO detector 236 if applicable, and further processed by a receive processor 238 to obtain decoded data and control information sent by the UE 120.
- the receive processor 238 may provide the decoded data to a data sink 239 and provide the decoded control information to the controller/processor 240.
- the network node 110 may include a communication unit 244 and may communicate with the network controller 130 via the communication unit 244.
- the network node 110 may include a scheduler 246 to schedule one or more UEs 120 for downlink and/or uplink communications.
- the modem 232 of the network node 110 may include a modulator and a demodulator.
- the network node 110 includes a transceiver.
- the transceiver may include any combination of the antenna(s) 234, the modem(s) 232, the MIMO detector 236, the receive processor 238, the transmit processor 220, and/or the TX MIMO processor 230.
- the transceiver may be used by a processor (e.g., the controller/processor 240) and the memory 242 to perform aspects of any of the methods described herein (e.g., with reference to Figs. 5-9).
- the controller/processor 240 of the network node 110, the controller/processor 280 of the UE 120, and/or any other component(s) of Fig. 2 may perform one or more techniques associated with transmission of a hybrid automatic repeat request acknowledgment codebook., as described in more detail elsewhere herein.
- the controller/processor 240 of the network node 110, the controller/processor 280 of the UE 120, and/or any other component(s) of Fig. 2 may perform or direct operations of, for example, process 600 of Fig. 6, process 700 of Fig. 7, and/or other processes as described herein.
- the memory 242 and the memory 282 may store data and program codes for the network node 110 and the UE 120, respectively.
- the memory 242 and/or the memory 282 may include a non-transitory computer- readable medium storing one or more instructions (e.g., code and/or program code) for wireless communication.
- the one or more instructions when executed (e.g., directly, or after compiling, converting, and/or interpreting) by one or more processors of the network node 110 and/or the UE 120, may cause the one or more processors, the UE 120, and/or the network node 110 to perform or direct operations of, for example, process 600 of Fig. 6, process 700 of Fig. 7, and/or other processes as described herein.
- executing instructions may include running the instructions, converting the instructions, compiling the instructions, and/or interpreting the instructions, among other examples.
- the UE includes means for receiving one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook; and/or means for transmitting the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the means for the UE to perform operations described herein may include, for example, one or more of communication manager 140, antenna 252, modem 254, MIMO detector 256, receive processor 258, transmit processor 264, TX MIMO processor 266, controller/processor 280, or memory 282.
- the network node includes means for transmitting one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook; and/or means for receiving the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the means for the network node to perform operations described herein may include, for example, one or more of communication manager 150, transmit processor 220, TX MIMO processor 230, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller/processor 240, memory 242, or scheduler 246.
- communication manager 150 transmit processor 220, TX MIMO processor 230, modem 232, antenna 234, MIMO detector 236, receive processor 238, controller/processor 240, memory 242, or scheduler 246.
- blocks in Eig. 2 are illustrated as distinct components, the functions described above with respect to the blocks may be implemented in a single hardware, software, or combination component or in various combinations of components.
- the functions described with respect to the transmit processor 264, the receive processor 258, and/or the TX MIMO processor 266 may be performed by or under the control of the controller/processor 280.
- Fig. 2 is provided as an example. Other examples may differ from what is described with regard to Fig. 2.
- Fig. 3 is a diagram illustrating an example 300 of timing offset values, in accordance with the present disclosure.
- a network node may communicate with a UE via one or more physical downlink shared channel (PDSCH) communications and/or a HARQ- ACK report (e.g., via a physical uplink control channel (PUCCH) communication).
- PDSCH physical downlink shared channel
- PUCCH physical uplink control channel
- the network node and the UE may be part of a wireless network.
- the UE and the network node may have established a wireless connection prior to operations shown in Fig. 3.
- the network node may transmit, and the UE may receive, a PDSCH communication 305 with a timing offset value (AT value) of 4.
- AT value timing offset value
- the timing offset value indicates a number of slots until the UE is to transmit a HARQ-ACK for the PDSCH communication 305. For example, the UE receives the PDSCH communication 305 during slot n - 2 and the timing offset value of 4 indicates that the UE is scheduled to transmit the HARQ- ACK during slot n + 2.
- the network node may transmit, and the UE may receive, a PDSCH communication 310 with a timing offset value (AT value) of 3. Based at least in part on the UE receiving the PDSCH communication 310 during slot n - 1, the UE is scheduled to transmit the HARQ-ACK during slot n + 2.
- AT value timing offset value
- the network node may transmit, and the UE may receive, a PDSCH communication 315 with a timing offset value (AT value) of 2. Based at least in part on the UE receiving the PDSCH communication 315 during slot n, the UE is scheduled to transmit the HARQ-ACK during slot n + 2.
- AT value timing offset value
- the UE may be configured to transmit the HARQ-ACKs for all three PDSCH communications during the slot n + 2 using a Type 1 HARQ-ACK codebook (e.g., a HARQ- ACK codebook having a fixed size that is preconfigured and/or semi-statically configured).
- a Type 1 HARQ-ACK codebook e.g., a HARQ- ACK codebook having a fixed size that is preconfigured and/or semi-statically configured.
- the UE determines a set of candidate data channels based at least in part on a set of timing offset values (e.g., slot timing values AT) associated with an active uplink bandwidth part.
- the set of timing offset values includes, for example, ⁇ 1, 2, 3, 4, 5, 6, 7, 8 ⁇ . If the UE is configured to monitor a PDCCH for DCI format 1 1 and is not configured to monitor the PDCCH for DCI format 1 2 for serving cell c, the set of timing offset values is indicated by a first parameter (e.g., dl-DataToUL-ACK).
- a first parameter e.g., dl-DataToUL-ACK
- the set of timing offset values is provided by a second parameter (e.g., dl-DataToUL-ACK-ForDCIFormatl 2). If the UE is configured to monitor PDCCH for DCI format 1 1 and DCI format 1 2 for serving cell c, the set of timing offset values is provided by the union of the first parameter and the second parameter. The union of the first parameter and the second parameter may form a data set with repeated values.
- Fig. 3 is provided as an example. Other examples may differ from what is described with regard to Fig. 3.
- Fig. 4 is a diagram illustrating an example 400 of start and length values for candidate data channels, in accordance with the present disclosure.
- a network node may communicate with a UE via one or more candidate data channels (e.g., PDSCH channels).
- the network node and the UE may be part of a wireless network.
- the UE and the network node may have established a wireless connection prior to operations shown in Fig. 4.
- the UE may be configured with a set of candidate data channels 405 for a slot.
- Fig. 4 further shows start and length values 410 of the candidate data channels 405 during a slot.
- each candidate data channel 405 may be indicated by a time domain resource allocation (TDRA) with a start value, associated with a symbol of the slot during which an associated candidate data channel 405 begins, and a length value that indicates a number of symbols over which the associated candidate data channel 405 extends.
- TDRA time domain resource allocation
- a candidate data channel405 having a start value of 2 and a length value of 12 extends, in the time domain, from symbol 2 through to symbol 13 of the slot.
- a candidate data channel 405 having a start value of 3 and a length value of 11 extends, in the time domain, from symbol 3 through symbol 13 of the slot.
- a candidate data channel405 having a start value of 2 and a length value of 10 extends, in the time domain, from symbol 2 through symbol 11 of the slot.
- a candidate data channel405 having a start value of 3 and a length value of 7 extends, in the time domain, from symbol 3 through symbol 9 of the slot.
- a candidate data channel 405 having a start value of 3 and a length value of 4 extends, in the time domain, from symbol 3 through symbol 6 of the slot.
- a candidate data channel 405 having a start value of 8 and a length value of 2 extends, in the time domain, from symbol 8 through symbol 9 of the slot.
- a candidate data channel 405 having a start value of 8 and a length value of 6 extends, in the time domain, from symbol 8 through symbol 13 of the slot.
- the UE may identify all TDRAs, associated with candidate data channels 405, for a cell. Based at least in part on the TDRAs, the UE may determine a maximum number of non-overlapping candidate data channels 405 that may be scheduled within a slot and assign a number of HARQ-ACK bits based at least in part on the maximum number of non-overlapping candidate data channels 405. For example, in Fig.
- the maximum number of non-overlapping candidate data channels 405 is 2 based at least in part the candidate data channel 405 having a start value of 3 and a length value of 4 being combinable with either of the candidate data channel 405 having a start value of 8 and a length value of 2 or the candidate data channel 405 having a start value of 8 and a length value of 6.
- the UE may be configured to determine a number of HARQ-ACK bits and to map each candidate data channel 405 to a HARQ-ACK bit. For a subset of the candidate data channels 405 that are mapped to the same HARQ-ACK bit, at most one candidate data channel 405 may be used to scheduled a PDSCH.
- a set of TDRAs and/or candidate data channels 405 may be determined based at least in part on an indication in one or more parameters (e.g., pdsch-TimeDomainAllocationList and/or pdsch-TimeDomainAllocationListDCI-l-2-rl6, among other examples) or may be determined based at least in part on a configuration within a communication protocol.
- a parameter e.g., pdsch-TimeDomainAllocationList and/or pdsch-TimeDomainAllocationListDCI-l-2-rl6, among other examples
- Fig. 3 is provided as an example. Other examples may differ from what is described with regard to Fig. 3.
- a set of timing offset values may include redundancies (e.g., repeated values) and/or a set of candidate data channels may include redundancies.
- a parameter that provides timing offset values e.g., dl-DataToUL-ACK or dl- DataToUL-ACK-ForDCIFormatl 2
- non-distinct values e.g., a set that includes ⁇ 1,2, 3, 3, 3, 4, 4 ⁇ .
- multiple parameters that provide timing offset values e.g., dl-DataToUL-ACK and dl-DataToUL-ACK-ForDCFFormatl 2
- they contain shared values e.g., a first subset of values of ⁇ 1,2,3 ⁇ and a second set of values of ⁇ 2, 3, 4, 5, 6 ⁇
- a union e.g., direct union
- RRC radio resource control
- an indication of a set of SLIVs for candidate data channels contains entries with repetitive SLIVs.
- each entry a set of TDRAs may include information about “slot offsets K0, and/or start and length indicators SLIV ” Two entries may have a same SLIV and different K0 values.
- the set of SLIVs determined from the indication of the set of SLIVs may include repetitive SLIVs.
- an indication of a set of SLIVs for candidate data channels e.g., a pdsch-TimeDomainAllocationList or pdsch-TimeDomainAllocationListDCI-I- 2-rI6 includes entries with the same SLIV.
- the indication of the set of SLIVs may indicate multiple SLIVs for different slots, which may result in repeated values in the set of SLIVs.
- an associated HARQ-ACK codebook may have repetitive bits (e.g., multiple bits mapped to a same candidate data channel with a same indication), which may unnecessarily consume communication, network, power, and/or computing resources to communicate the repetitive bits. Additionally, or alternatively, the network node and the UE may not be synchronized regarding whether to include the repetitive bits, which may cause the network node to misinterpret the HARQ-ACK codebook.
- the network node may re-transmit a communication that is misinterpreted to be not received by the UE or the network node my fail to re-transmit a communication that is misinterpreted to be received by the UE.
- the network node and/or the UE may consume communication, network, power, and/or computing resources to detect and/or correct these communication errors.
- a UE may receive an indication of a set of timing offset values associated with a HARQ-ACK codebook and/or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK-codebook.
- the UE may generate (e.g., construct and/or determine) the HARQ-ACK codebook (e.g., a Type 1 HARQ- ACK codebook) using a set of distinct (e.g., non-repeated) timing offset values (e.g., from parameters such as dl-DataToUL-ACK and/or dl-DataToUL-ACK-ForDCIFormatl 2) and/or using a set of distinct SLIV values for each slot of respective slots determined from a set of ⁇ n- K1 ⁇ .
- the HARQ-ACK codebook e.g., a Type 1 HARQ- ACK codebook
- a set of distinct (e.g., non-repeated) timing offset values e.g., from parameters such as dl-DataToUL-ACK and/or dl-DataToUL-ACK-ForDCIFormatl 2
- SLIV values for each slot of respective slots determined from a set of ⁇ n- K1 ⁇
- the UE may identify and/or remove repetitive timing offset values from the set of timing offset values and/or may identify and/or remove repetitive SLIV values from a union of row indexes of TDRA tables for DCI formats that the UE is configured to monitor for a PDCCH associated with a serving cell.
- a network node may be configured to transmit parameters (e.g., dl- DataToUL-ACK and/or dl-DataToUL-ACK-ForDCFFormatl 2) that do not include repetitive timing offset values and/or to indicate SLIV values (e.g., using pdsch- TimeDomainAllocationList or pdsch-TimeDomainAllocationListDCI-1 -2-rl 6) that do not indicated repetitive SLIV values.
- parameters e.g., dl- DataToUL-ACK and/or dl-DataToUL-ACK-ForDCFFormatl 2
- SLIV values e.g., using pdsch- TimeDomainAllocationList or pdsch-TimeDomainAllocationListDCI-1 -2-rl
- the network node and the UE may communicate to synchronize whether repetitive SLIV values and/or repetitive timing offset values should be removed for generating a HARQ-ACK codebook.
- an associated HARQ-ACK codebook may not have repetitive bits (e.g., multiple bits mapped to a same candidate data channel with a same indication), which may conserve communication, network, power, and/or computing resources. Additionally, or alternatively, the network node and the UE may be synchronized regarding whether to include the repetitive bits, which may reduce misinterpretations of the HARQ-ACK codebook by the network node.
- the network node may avoid re -transmitting communications that may have otherwise been misinterpreted as not having been received by the UE and the network node my re-transmit a communication that may have otherwise been misinterpreted as being received by the UE.
- the network node and/or the UE may conserve communication, network, power, and/or computing resources that may have otherwise been consumed to detect and/or correct communication errors associated with misinterpretations of the HARQ-ACK codebook.
- Fig. 5 is a diagram illustrating an example 500 associated with transmission of a HARQ-ACK codebook, in accordance with the present disclosure.
- a network node e.g., network node 110
- UE e.g., UE 120
- the network node and the UE may be part of a wireless network (e.g., wireless network 100).
- the UE and the network node may have established a wireless connection prior to operations shown in Fig. 5.
- the network node may transmit, and the UE may receive, configuration information.
- the UE may receive the configuration information via one or more of RRC signaling, MAC CEs, and/or DCI, among other examples.
- the configuration information may include an indication of one or more configuration parameters (e.g., already known to the UE) for selection by the UE, and/or explicit configuration information for the UE to use to configure the UE, among other examples.
- the configuration information may indicate that the UE is to transmit an indication of support for transmitting HARQ-ACK codebooks that are based at least in part on distinct values of timing offset values and/or distinct values of SLIVs.
- the configuration information may indicate that the UE is to transmit HARQ-ACK codebooks that are based at least in part on distinct values of timing offset values and/or distinct values of SLIVs for communications with the network node.
- the UE may configure the UE based at least in part on the configuration information. In some aspects, the UE may be configured to perform one or more operations described herein based at least in part on the configuration information.
- the UE may transmit, and the network node may receive, an indication of support for transmitting HARQ-ACK codebooks that are based at least in part on distinct values of timing offset values and/or distinct values of a set of SLIVs. In some aspects, the UE may transmit the indication of support via RRC signaling (e.g., as part of an RRC connection process).
- the UE may receive, and the network node may transmit, an indication of a set of timing offset values and/or information associated with SLIVs for candidate data channels.
- the UE may receive the indication and/or the information via RRC signaling and/or via a scheduling grant.
- the set of timing offset values and/or the set of SLIVs include repetitive values (e.g., repeating and/or redundant, among other examples) that map to a same HARQ-ACK codebook.
- the repetitive values may be mapped to a HARQ-ACK indication associated with a same data channel communication (e.g., associated with a same candidate data channel).
- the indication of the set of timing offset values may include one or more RRC-based parameters (e.g., dl-DataToUL-ACK and/or dl-DataToUL-ACK- ForDCIFormatl 2) .
- the set of timing offset values may be based at least in part on a union of a first subset of timing offset values (e.g., associated with a first parameter of the one or more RRC-based parameters) and a second subset of timing offset values (e.g., associated with a second parameter of the one or more RRC-based parameters).
- the information associated with the set of SLIVs may include one or more RRC-based parameters (e.g., using pdsch-TimeDomainAllocationList or pdsch-TimeDomainAllocationListDCI-1 -2-rl 6).
- the set of SLIVs may be based at least in part on a union of a third subset of SLIVs (e.g., associated with a third parameter of the one or more RRC-based parameters) and a fourth subset of SLIVs (e.g., associated with a fourth parameter of the one or more RRC-based parameters).
- the network node may transmit, and the UE may attempt to receive, one or more PDSCH communications via the candidate data channels. For example, the UE may monitor one or more candidate data channels in one or more slots, as indicated in a scheduling grant. The UE may attempt to decode signals sampled from the one or more candidate data channels and determine whether the decoding is successful.
- the UE may determine and/or generate a HARQ- ACK codebook based at least in part on distinct values of the set of timing offset values and/or distinct (e.g., non-repeated and/or non-redundant) values of the SLIVs.
- the UE may determine the HARQ-ACK codebook based at least in part on determining a size of the HARQ-ACK codebook.
- the size HARQ-ACK codebook may be based at least in part on the distinct values of the set of timing offset values and/or the distinct values of the set of SLIVs.
- the network node may similarly determine and/or generate the HARQ-ACK codebook (e.g., a size, a number of bits, and/or a mapping to the one or more PDSCH communications, among other examples) expected to be received via the UE.
- the HARQ-ACK codebook e.g., a size, a number of bits, and/or a mapping to the one or more PDSCH communications, among other examples
- the UE may generate the HARQ-ACK codebook based at least in part on the distinct values of the set of timing offset values, and/or the distinct values of the set of SLIVs.
- the distinct values of the set of timing offset values may include fewer values than the set of timing offset values and/or the distinct values of the set of SLIVs includes fewer values than the set of SLIVs.
- the UE may generate the HARQ-ACK codebook based at least in part on generating values of the distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the UE may generate the values of the distinct values of the set of timing offset values or distinct values of the set of SLIVs based at least in part on removing at least one value from the set of timing offset values or the set of SLIVs. [0088] In some aspects, the UE may determine the distinct values of the set of SLIVs from a set of TDRA parameters. In some aspects, a TDRA parameter in the set of TDRA parameters includes a slot parameter and a SLIV. The UE may determine that a first TDRA parameter includes a first slot parameter and a first SLIV and that a second TDRA parameter includes a second slot parameter and the first SLIV. The UE may include the first SLIV only once in the distinct values of the set of SLIVs.
- the UE may transmit, and the network node may receive, the HARQ codebook that is based at least in part on the distinct values of the set of timing offset values and/or the distinct values of the SLIVs.
- the HARQ-ACK codebook may have a size and/or a format that is based at least in part on the distinct values of the set of timing offset values and/or distinct values of the set of SLIVs.
- the network node may decode the HARQ-ACK codebook based at least in part on an expected of size, an expected number of bits, and/or a mapping to the one or more PDSCH communications.
- the network node may decode the HARQ-ACK codebook based at least in part on a transmitting user equipment generating the HARQ-ACK codebook based at least in part on the distinct values of the set of timing offset values, and/or the distinct values of the set of SLIVs.
- the network node may determine the HARQ-ACK codebook (e.g., an expected HARQ-ACK codebook) having a size and/or format (e.g., including a mapping to PDSCH communications) that is based at least in part on the distinct values of the set of timing offset values and/or distinct values of the SLIVs.
- the HARQ-ACK codebook e.g., an expected HARQ-ACK codebook
- a size and/or format e.g., including a mapping to PDSCH communications
- Pig. 5 is provided as an example. Other examples may differ from what is described with regard to Fig. 5.
- Fig. 6 is a diagram illustrating an example process 600 performed, for example, by a UE, in accordance with the present disclosure.
- Example process 600 is an example where the UE (e.g., UE 120) performs operations associated with transmission of a HARQ-ACK codebook.
- process 600 may include receiving one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook (block 610).
- the UE e.g., using communication manager 140 and/or reception component 802, depicted in Fig. 8
- Fig. As further shown in Fig.
- process 600 may include transmitting the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs (block 620).
- the UE e.g., using communication manager 140 and/or transmission component 804, depicted in Fig. 8
- Process 600 may include additional aspects, such as any single aspect or any combination of aspects described below and/or in connection with one or more other processes described elsewhere herein.
- process 600 includes generating the HARQ-ACK codebook based at least in part on one or more of the distinct values of the set of timing offset values, or the distinct values of the set of SLIVs.
- the distinct values of the set of timing offset values comprise fewer values than the set of timing offset values, or wherein the distinct values of the set of SLIVs comprise fewer values than the set of SLIVs.
- process 600 includes receiving an indication that the HARQ-ACK codebook is to be based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the set of timing offset values is based at least in part on a union of a first subset of timing offset values and a second subset of timing offset values, or wherein the set of SLIVs is based at least in part on a union of a first subset of SLIVs associated with the information and a second subset of SLIVs associated with the information.
- the first subset of timing offset values is indicated by first RRC parameter and the second subset of timing offset values is indicated by a second RRC parameter, or wherein the information associated with the first subset of SLIVs is indicated by third RRC parameter and the second subset associated with the information associated with the second subset of SLIVs is indicated by a fourth RRC parameter.
- process 600 includes determining the HARQ-ACK codebook.
- determining the HARQ-ACK codebook includes determining a size of the HARQ-ACK codebook.
- the size of the HARQ-ACK codebook is based at least in part on one or more of the distinct values of the set of timing offset values or the distinct values of the set of SLIVs.
- process 600 includes generating values of the distinct values of the set of timing offset values or distinct values of the set of SLIVs based at least in part on removing at least one value from the set of timing offset values or the set of SLIVs.
- process 600 includes determining the distinct values of the set of SLIVs from a set of time domain resource allocation parameters, wherein a time domain resource allocation parameter in the set of time domain resource allocation parameters includes a slot parameter and a SLIV.
- process 600 includes determining that a first time domain resource allocation parameter includes a first slot parameter and a first SLIV, determining that a second time domain resources allocation parameter includes a second slot parameter and the first SLIV, and including the first SLIV only once in the distinct values of the set of SLIVs.
- process 600 may include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Fig. 6. Additionally, or alternatively, two or more of the blocks of process 600 may be performed in parallel.
- Fig. 7 is a diagram illustrating an example process 700 performed, for example, by a network node, in accordance with the present disclosure.
- Example process 700 is an example where the network node (e.g., network node 110) performs operations associated with transmission of a HARQ-ACK codebook.
- process 700 may include transmitting one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook (block 710).
- the network node e.g., using communication manager 150 and/or transmission component 904, depicted in Fig. 9 may transmit one or more of an indication of a set of timing offset values associated with a HARQ- ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook, as described above.
- process 700 may include receiving the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs (block 720).
- the network node e.g., using communication manager 150 and/or reception component 902, depicted in Fig. 9 may receive the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs, as described above.
- Process 700 may include additional aspects, such as any single aspect or any combination of aspects described below and/or in connection with one or more other processes described elsewhere herein.
- receiving the HARQ-ACK codebook comprises decoding the HARQ-ACK codebook based at least in part on a transmitting user equipment generating the HARQ-ACK codebook based at least in part on one or more of the distinct values of the set of timing offset values, or the distinct values of the set of SLIVs.
- the distinct values of the set of timing offset values comprises fewer values than the set of timing offset values, or wherein the distinct values of the set of SLIVs comprises fewer values than the set of SLIVs.
- process 700 includes transmitting an indication that the HARQ-ACK codebook is to be based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the set of timing offset values is based at least in part on a union of a first subset of timing offset values and a second subset of timing offset values, or wherein the set of SLIVs is based at least in part on a union of a first subset of SLIVs associated with the information and a second subset of SLIVs associated with the information.
- the first subset of timing offset values is indicated by first RRC parameter and the second subset of timing offset values is indicated by a second RRC parameter, or wherein the information associated with the first subset of SLIVs is indicated by third RRC parameter and the second subset associated with the information associated with the second subset of SLIVs is indicated by a fourth RRC parameter.
- process 700 includes determining the HARQ-ACK codebook.
- determining the HARQ-ACK codebook includes determining a size of the HARQ-ACK codebook.
- the size of the HARQ-ACK codebook is based at least in part on one or more of the distinct values of the set of timing offset values or the distinct values of the set of SLIVs.
- process 700 includes the distinct values of the set of timing offset values comprise a same number of values than the set of timing offset values, or wherein the distinct values of the set of SLIVs comprise a same number of values than the set of SLIVs.
- process 700 includes generating values of the distinct values of the set of timing offset values or distinct values of the set of SLIVs based at least in part on removing at least one value from the set of timing offset values or the set of SLIVs.
- process 700 includes determining the distinct values of the set of SLIVs from a set of time domain resource allocation parameters, wherein a time domain resource allocation parameter in the set of time domain resource allocation parameters includes a slot parameter and a SLIV.
- process 700 includes determining that a first time domain resource allocation parameter includes a first slot parameter and a first SLIV, determining that a second time domain resources allocation parameters includes a second slot parameter and the first SLIV, and including the first SLIV only once in the distinct values of the set of SLIVs.
- process 700 may include additional blocks, fewer blocks, different blocks, or differently arranged blocks than those depicted in Fig. 7. Additionally, or alternatively, two or more of the blocks of process 700 may be performed in parallel.
- Fig. 8 is a diagram of an example apparatus 800 for wireless communication.
- the apparatus 800 may be a UE, or a UE may include the apparatus 800.
- the apparatus 800 includes a reception component 802 and a transmission component 804, which may be in communication with one another (for example, via one or more buses and/or one or more other components).
- the apparatus 800 may communicate with another apparatus 806 (such as a UE, a network node, or another wireless communication device) using the reception component 802 and the transmission component 804.
- the apparatus 800 may include a communication manager 808 (e.g., the communication manager 140).
- the apparatus 800 may be configured to perform one or more operations described herein in connection with Fig. 5. Additionally, or alternatively, the apparatus 800 may be configured to perform one or more processes described herein, such as process 600 of Fig. 6.
- the apparatus 800 and/or one or more components shown in Fig. 8 may include one or more components of the UE described in connection with Fig. 2. Additionally, or alternatively, one or more components shown in Fig. 8 may be implemented within one or more components described in connection with Fig. 2. Additionally, or alternatively, one or more components of the set of components may be implemented at least in part as software stored in a memory. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non-transitory computer- readable medium and executable by a controller or a processor to perform the functions or operations of the component.
- the reception component 802 may receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 806.
- the reception component 802 may provide received communications to one or more other components of the apparatus 800.
- the reception component 802 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples), and may provide the processed signals to the one or more other components of the apparatus 806.
- the reception component 802 may include one or more antennas, a modem, a demodulator, a MIMO detector, a receive processor, a controller/processor, a memory, or a combination thereof, of the UE described in connection with Fig. 2.
- the transmission component 804 may transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 806.
- one or more other components of the apparatus 806 may generate communications and may provide the generated communications to the transmission component 804 for transmission to the apparatus 806.
- the transmission component 804 may perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples), and may transmit the processed signals to the apparatus 806.
- the transmission component 804 may include one or more antennas, a modem, a modulator, a transmit MIMO processor, a transmit processor, a controller/processor, a memory, or a combination thereof, of the UE described in connection with Fig. 2. In some aspects, the transmission component 804 may be co-located with the reception component 802 in a transceiver.
- the reception component 802 may receive one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook.
- the transmission component 804 may transmit the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the communication manager 808 may generate the HARQ-ACK codebook based at least in part on one or more of the distinct values of the set of timing offset values, or the distinct values of the set of SLIVs.
- the reception component 802 may receive an indication that the HARQ-ACK codebook is to be based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the communication manager 808 may determine the HARQ-ACK codebook.
- the communication manager 808 may generate values of the distinct values of the set of timing offset values or distinct values of the set of SLIVs based at least in part on removing at least one value from the set of timing offset values or the set of SLIVs.
- the communication manager 808 may determine the distinct values of the set of SLIVs from a set of time domain resource allocation parameters wherein a time domain resource allocation parameter in the set of time domain resource allocation parameters includes a slot parameter and a SLIV.
- the communication manager 808 may determine that a first time domain resource allocation parameter includes a first slot parameter and a first SLIV.
- the communication manager 808 may determine that a second time domain resources allocation parameter includes a second slot parameter and the first SLIV.
- the communication manager 808 may include the first SLIV only once in the distinct values of the set of SLIVs.
- Fig. 8 The number and arrangement of components shown in Fig. 8 are provided as an example. In practice, there may be additional components, fewer components, different components, or differently arranged components than those shown in Fig. 8. Furthermore, two or more components shown in Fig. 8 may be implemented within a single component, or a single component shown in Fig. 8 may be implemented as multiple, distributed components. Additionally, or alternatively, a set of (one or more) components shown in Fig. 8 may perform one or more functions described as being performed by another set of components shown in Fig. 8.
- Fig. 9 is a diagram of an example apparatus 900 for wireless communication.
- the apparatus 900 may be a network node, or a network node may include the apparatus 900.
- the apparatus 900 includes a reception component 902 and a transmission component 904, which may be in communication with one another (for example, via one or more buses and/or one or more other components).
- the apparatus 900 may communicate with another apparatus 906 (such as a UE, a network node, or another wireless communication device) using the reception component 902 and the transmission component 904.
- the apparatus 900 may include a communication manager 908 (e.g., the communication manager 150).
- the apparatus 900 may be configured to perform one or more operations described herein in connection with Fig. 5. Additionally, or alternatively, the apparatus 900 may be configured to perform one or more processes described herein, such as process 700 of Fig. 7, or a combination thereof.
- the apparatus 900 and/or one or more components shown in Fig. 9 may include one or more components of the network node described in connection with Fig. 2. Additionally, or alternatively, one or more components shown in Fig. 9 may be implemented within one or more components described in connection with Fig. 2. Additionally, or alternatively, one or more components of the set of components may be implemented at least in part as software stored in a memory. For example, a component (or a portion of a component) may be implemented as instructions or code stored in a non- transitory computer-readable medium and executable by a controller or a processor to perform the functions or operations of the component.
- the reception component 902 may receive communications, such as reference signals, control information, data communications, or a combination thereof, from the apparatus 906.
- the reception component 902 may provide received communications to one or more other components of the apparatus 900.
- the reception component 902 may perform signal processing on the received communications (such as filtering, amplification, demodulation, analog-to-digital conversion, demultiplexing, deinterleaving, de-mapping, equalization, interference cancellation, or decoding, among other examples), and may provide the processed signals to the one or more other components of the apparatus 906.
- the reception component 902 may include one or more antennas, a modem, a demodulator, a MIMO detector, a receive processor, a controller/processor, a memory, or a combination thereof, of the network node described in connection with Fig. 2.
- the transmission component 904 may transmit communications, such as reference signals, control information, data communications, or a combination thereof, to the apparatus 906.
- one or more other components of the apparatus 906 may generate communications and may provide the generated communications to the transmission component 904 for transmission to the apparatus 906.
- the transmission component 904 may perform signal processing on the generated communications (such as filtering, amplification, modulation, digital-to-analog conversion, multiplexing, interleaving, mapping, or encoding, among other examples), and may transmit the processed signals to the apparatus 906.
- the transmission component 904 may include one or more antennas, a modem, a modulator, a transmit MIMO processor, a transmit processor, a controller/processor, a memory, or a combination thereof, of the network node described in connection with Fig. 2. In some aspects, the transmission component 904 may be co-located with the reception component 902 in a transceiver.
- the transmission component 904 may transmit one or more of an indication of a set of timing offset values associated with a HARQ-ACK codebook or information associated with a set of SLIVs for candidate data channels associated with the HARQ-ACK codebook.
- the reception component 902 may receive the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the transmission component 904 may transmit an indication that the HARQ-ACK codebook is to be based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- the communication manager 908 may determine the HARQ-ACK codebook.
- the communication manager 908 may generate values of the distinct values of the set of timing offset values or distinct values of the set of SLIVs based at least in part on removing at least one value from the set of timing offset values or the set of SLIVs.
- the communication manager 908 may determine the distinct values of the set of SLIVs from a set of time domain resource allocation parameters wherein a time domain resource allocation parameter in the set of time domain resource allocation parameters includes a slot parameter and a SLIV.
- the communication manager 908 may determine that a first time domain resource allocation parameter includes a first slot parameter and a first SLIV.
- the communication manager 908 may determine that a second time domain resources allocation parameters includes a second slot parameter and the first SLIV.
- the communication manager 908 may include the first SLIV only once in the distinct values of the set of SLIVs.
- Aspect 1 A method of wireless communication performed by a user equipment (UE), comprising: receiving one or more of an indication of a set of timing offset values associated with a hybrid automatic repeat request acknowledgment (HARQ-ACK) codebook or information associated with a set of start and length indicator values (SLIVs) for candidate data channels associated with the HARQ-ACK codebook; and transmitting the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- HARQ-ACK hybrid automatic repeat request acknowledgment
- SLIVs start and length indicator values
- Aspect 2 The method of Aspect 1, further comprising generating the HARQ-ACK codebook based at least in part on one or more of: the distinct values of the set of timing offset values, or the distinct values of the set of SLIVs.
- Aspect 3 The method of any of Aspects 1-2, wherein the distinct values of the set of timing offset values comprise fewer values than the set of timing offset values, or wherein the distinct values of the set of SLIVs comprise fewer values than the set of SLIVs.
- Aspect 4 The method of any of Aspects 1-3, further comprising: receiving an indication that the HARQ-ACK codebook is to be based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- Aspect 5 The method of any of Aspects 1-4, wherein the set of timing offset values is based at least in part on a union of a first subset of timing offset values and a second subset of timing offset values, or wherein the set of SLIVs is based at least in part on a union of a first subset of SLIVs associated with the information and a second subset of SLIVs associated with the information.
- Aspect 6 The method of Aspect 5, wherein the first subset of timing offset values is indicated by first radio resource control (RRC) parameter and the second subset of timing offset values is indicated by a second RRC parameter, or wherein the information associated with the first subset of SLIVs is indicated by third RRC parameter and the second subset associated with the information associated with the second subset of SLIVs is indicated by a fourth RRC parameter.
- RRC radio resource control
- Aspect 7 The method of any of Aspects 1-6, further comprising determining the HARQ-ACK codebook.
- Aspect 8 The method of Aspect 7, wherein determining the HARQ-ACK codebook includes determining a size of the HARQ-ACK codebook.
- Aspect 9 The method of Aspect 8, wherein the size of the HARQ-ACK codebook is based at least in part on one or more of the distinct values of the set of timing offset values or the distinct values of the set of SLIVs.
- Aspect 10 The method of any of Aspects 1-9, further comprising: generating values of the distinct values of the set of timing offset values or distinct values of the set of SLIVs based at least in part on removing at least one value from the set of timing offset values or the set of SLIVs.
- Aspect 11 The method of any of Aspects 1-10, further comprising: determining the distinct values of the set of SLIVs from a set of time domain resource allocation parameters, wherein a time domain resource allocation parameter in the set of time domain resource allocation parameters includes a slot parameter and a SLIV.
- Aspect 12 The method of Aspect 11, further comprising: determining that a first time domain resource allocation parameter includes a first slot parameter and a first SLIV; determining that a second time domain resources allocation parameter includes a second slot parameter and the first SLIV; and including the first SLIV only once in the distinct values of the set of SLIVs.
- a method of wireless communication performed by a network node comprising: transmitting one or more of an indication of a set of timing offset values associated with a hybrid automatic repeat request acknowledgment (HARQ-ACK) codebook or information associated with a set of start and length indicator values (SLIVs) for candidate data channels associated with the HARQ-ACK codebook; and receiving the HARQ-ACK codebook, the HARQ-ACK codebook being based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- HARQ-ACK hybrid automatic repeat request acknowledgment
- SLIVs start and length indicator values
- Aspect 14 The method of Aspect 13, wherein receiving the HARQ-ACK codebook comprises: decoding the HARQ-ACK codebook based at least in part on a transmitting user equipment generating the HARQ-ACK codebook based at least in part on one or more of: the distinct values of the set of timing offset values, or the distinct values of the set of SLIVs.
- Aspect 15 The method of any of Aspects 13-14, wherein the distinct values of the set of timing offset values comprises fewer values than the set of timing offset values, or wherein the distinct values of the set of SLIVs comprises fewer values than the set of SLIVs.
- Aspect 16 The method of any of Aspects 13-15, further comprising: transmitting an indication that the HARQ-ACK codebook is to be based at least in part on one or more of distinct values of the set of timing offset values or distinct values of the set of SLIVs.
- Aspect 17 The method of any of Aspects 13-16, wherein the set of timing offset values is based at least in part on a union of a first subset of timing offset values and a second subset of timing offset values, or wherein the set of SLIVs is based at least in part on a union of a first subset of SLIVs associated with the information and a second subset of SLIVs associated with the information.
- Aspect 18 The method of Aspect 17, wherein the first subset of timing offset values is indicated by first radio resource control (RRC) parameter and the second subset of timing offset values is indicated by a second RRC parameter, or wherein the information associated with the first subset of SLIVs is indicated by third RRC parameter and the second subset associated with the information associated with the second subset of SLIVs is indicated by a fourth RRC parameter.
- RRC radio resource control
- Aspect 19 The method of any of Aspects 13-18, further comprising determining the HARQ-ACK codebook.
- Aspect 20 The method of Aspect 19, wherein determining the HARQ-ACK codebook includes determining a size of the HARQ-ACK codebook.
- Aspect 21 The method of Aspect 20, wherein the size of the HARQ-ACK codebook is based at least in part on one or more of the distinct values of the set of timing offset values or the distinct values of the set of SLIVs.
- Aspect 22 The method of any of Aspects 13-21, wherein, based at least in part on a configuration of the network node, one or more of: the distinct values of the set of timing offset values comprise a same number of values than the set of timing offset values, or wherein the distinct values of the set of SLIVs comprise a same number of values than the set of SLIVs.
- Aspect 23 The method of any of Aspects 13-22, further comprising: generating values of the distinct values of the set of timing offset values or distinct values of the set of SLIVs based at least in part on removing at least one value from the set of timing offset values or the set of SLIVs.
- Aspect 24 The method of any of Aspects 13-23, further comprising: determining the distinct values of the set of SLIVs from a set of time domain resource allocation parameters, wherein a time domain resource allocation parameter in the set of time domain resource allocation parameters includes a slot parameter and a SLIV.
- Aspect 25 The method of Aspect 24, further comprising: determining that a first time domain resource allocation parameter includes a first slot parameter and a first SLIV; determining that a second time domain resources allocation parameters includes a second slot parameter and the first SLIV; and including the first SLIV only once in the distinct values of the set of SLIVs.
- Aspect 26 An apparatus for wireless communication at a device, comprising a processor; memory coupled with the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to perform the method of one or more of Aspects 1-25.
- Aspect 27 A device for wireless communication, comprising a memory and one or more processors coupled to the memory, the one or more processors configured to perform the method of one or more of Aspects 1-25.
- Aspect 28 An apparatus for wireless communication, comprising at least one means for performing the method of one or more of Aspects 1-25.
- Aspect 29 A non-transitory computer-readable medium storing code for wireless communication, the code comprising instructions executable by a processor to perform the method of one or more of Aspects 1-25.
- Aspect 30 A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising one or more instructions that, when executed by one or more processors of a device, cause the device to perform the method of one or more of Aspects 1-25.
- the term “component” is intended to be broadly construed as hardware and/or a combination of hardware and software.
- “Software” shall be construed broadly to mean instructions, instruction sets, code, code segments, program code, programs, subprograms, software modules, applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, and/or functions, among other examples, whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise.
- a “processor” is implemented in hardware and/or a combination of hardware and software. It will be apparent that systems and/or methods described herein may be implemented in different forms of hardware and/or a combination of hardware and software.
- satisfying a threshold may, depending on the context, refer to a value being greater than the threshold, greater than or equal to the threshold, less than the threshold, less than or equal to the threshold, equal to the threshold, not equal to the threshold, or the like.
- satisfying a threshold may, depending on the context, refer to a value being greater than the threshold, greater than or equal to the threshold, less than the threshold, less than or equal to the threshold, equal to the threshold, not equal to the threshold, or the like.
- “at least one of: a, b, or c” is intended to cover a, b, c, a + b, a + c, b + c, and a + b + c, as well as any combination with multiples of the same element (e.g., a + a, a + a + a, a + a + b, a + a + c, a + b + b, a + c + c, b + b, b + b + b, b + b + c, c + c, and c + c + c, or any other ordering of a, b, and c).
- the terms “has,” “have,” “having,” or the like are intended to be open-ended terms that do not limit an element that they modify (e.g., an element “having” A may also have B). Further, the phrase “based on” is intended to mean “based, at least in part, on” unless explicitly stated otherwise. Also, as used herein, the term “or” is intended to be inclusive when used in a series and may be used interchangeably with “and/or,” unless explicitly stated otherwise (e.g., if used in combination with “either” or “only one of’).
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LG ELECTRONICS: "PDSCH/PUSCH enhancements to support NR above 52.6 GHz", vol. RAN WG1, no. e-Meeting; 20210412 - 20210420, 7 April 2021 (2021-04-07), XP052178098, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG1_RL1/TSGR1_104b-e/Docs/R1-2103343.zip R1-2103343.docx> [retrieved on 20210407] * |
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