WO2025208568A1 - Multiplexage d'informations de commande de liaison montante sur canal physique partagé montant avec codes de couverture orthogonaux - Google Patents

Multiplexage d'informations de commande de liaison montante sur canal physique partagé montant avec codes de couverture orthogonaux

Info

Publication number
WO2025208568A1
WO2025208568A1 PCT/CN2024/086167 CN2024086167W WO2025208568A1 WO 2025208568 A1 WO2025208568 A1 WO 2025208568A1 CN 2024086167 W CN2024086167 W CN 2024086167W WO 2025208568 A1 WO2025208568 A1 WO 2025208568A1
Authority
WO
WIPO (PCT)
Prior art keywords
scaling factor
orthogonal cover
occ
cover code
terminal device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/086167
Other languages
English (en)
Inventor
Bo BI
Alessio MARCONE
Frank Frederiksen
Mahdi AZARI
Yuan Xing WU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Shanghai Bell Co Ltd
Nokia Solutions and Networks Oy
Nokia Technologies Oy
Original Assignee
Nokia Shanghai Bell Co Ltd
Nokia Solutions and Networks Oy
Nokia Technologies Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Shanghai Bell Co Ltd, Nokia Solutions and Networks Oy, Nokia Technologies Oy filed Critical Nokia Shanghai Bell Co Ltd
Priority to CN202480061580.7A priority Critical patent/CN121970467A/zh
Priority to PCT/CN2024/086167 priority patent/WO2025208568A1/fr
Publication of WO2025208568A1 publication Critical patent/WO2025208568A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1664—Details of the supervisory signal the supervisory signal being transmitted together with payload signals; piggybacking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • H04L1/0073—Special arrangements for feedback channel
    • 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
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • 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
    • H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
    • 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
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Definitions

  • Various example embodiments described herein generally relate to communication technologies, and more particularly, to methods and apparatuses for uplink control information (UCI) multiplexing on physical uplink shared channel (PUSCH) with orthogonal cover codes (OCC) .
  • UCI uplink control information
  • PUSCH physical uplink shared channel
  • OCC orthogonal cover codes
  • Orthogonal cover code is a coding technique that can be used to enhance the multi-user multiplexing capability and throughput of a wireless communication network. By assigning orthogonal cover codes to different user equipment (UEs) , it may allow for simultaneous and interference-free transmission of these UEs’ data on the same time-frequency resources. For example, when the OCC is applied to the data on physical uplink shared channel (PUSCH) , it may enable multiplexing UEs on the same time-frequency resources, thereby increasing the resource efficiency.
  • PUSCH physical uplink shared channel
  • Fig. 3 is a schematic diagram illustrating UCI repetition transmission multiplexed on PUSCH according to an example embodiment of the present disclosure.
  • the PUSCH may be operated as an OCC manner, and is applied with a length-L OCC.
  • the length L may take a value of 2, 3, or any other integer number, for example.
  • a UE may be provided with additional occasions or resources to transmit the same PUSCH, e.g., PUSCH-2 through PUSCH-L, where L corresponds to the length of OCC sequence.
  • the first transmission and subsequent repetition (s) are all referred to as repetitions, and all or part of the repetitions are referred to as an OCC block.
  • L is the OCC length
  • SNR is the signal-to-noise-ratio
  • ⁇ is SNR degradation for OCC due to the impairment that can be derived by link level simulation depending on the OCC scheme
  • N is the number of samples associated with different SNR values.
  • the SNR column might be removed, so that the table may be created based on an SNR independent algorithm, e.g., setting it equal to the inverse of the OCC length, i.e. or using the above equations (2) or (3) .
  • ⁇ occ stands for the scaling factor, which can be calculated as or be derived from equations (1) - (3) , as described above.
  • Parameter is the legacy beta offset of UCI, which may take the value of and as defined in 3GPP TS 38.213.
  • the base station 120 may transmit an indication of the scaling factor to the UE 110.
  • the indication may be transmitted by higher layers via radio resource control (RRC) signaling, or dynamically by downlink control information (DCI) , or media access control element (MAC CE) , or a combination thereof.
  • RRC radio resource control
  • DCI downlink control information
  • MAC CE media access control element
  • the RRC signaling carrying the configuration of OCC scheme and the indication of the scaling factor may include the following form:
  • the number of coded modulation symbols per layer for HARQ-ACK transmission denoted as Q′ ACK , can be determined as follows:
  • O ACK represents the number of HARQ-ACK bits
  • L ACK denotes the number of CRC bits.
  • ⁇ occ stands for the indicated scaling factor that is is the total number of OFDM symbols of the PUSCH, is the number of resource elements that can be used for transmission of UCI in OFDM symbol l
  • C UL-SCH is the number of code blocks for a UL-SCH of the PUSCH transmission
  • K r is the size of an r- th code block for the UL-SCH of the PUSCH transmission
  • ⁇ is a parameter configured by higher layer signaling.
  • the number of coded modulation symbols per layer for HARQ-ACK transmission denoted as Q′ ACK , can be determined as follows:
  • multiple UEs can multiplex their UCI on the PUSCH and repeats the UCI transmission across plural repetitions.
  • the UCI resource scales with a scaling factor on each repetition, a technical advantage provided by some example embodiments is that the resource efficiency can be improved, while the reliability can be maintained the same level as conventional case.
  • the terminal device may report to the network device, capability of the terminal device supporting at least one orthogonal cover code scheme.
  • the terminal device may receive from the network device, configuration of an orthogonal cover code scheme for the terminal device.
  • the terminal device may receive the configuration of the orthogonal cover code scheme via radio resource control signaling, downlink control information, or media access control element. In some example embodiments, the terminal device may receive receiving a semi-static configuration of at least one orthogonal cover code scheme; and/or receiving a dynamic configuration indicating at least one orthogonal cover code scheme for use at the terminal device.
  • the terminal device may receive the indication of the scaling factor via radio resource control signaling, downlink control information, or media access control element.
  • the scaling factor is indicated at least partly associated with a length of the orthogonal cover code sequence. In some example embodiments, the scaling factor is indicated by a beta offset index.
  • the terminal device may receive at least a semi-static configuration of a scaling factor list; and receive at least a dynamic configuration indicating the scaling factor selected from the scaling factor list for use at the terminal device.
  • the terminal device may determine resources for transmitting the uplink control information in a way that the number of resources is scaled down by a scaling factor than the number of resources for transmission of the uplink control information in case UCI multiplexing on PUSCH is not operated as the orthogonal cover code manner.
  • the scaling factor is greater than or equal to an inverse of a length of the orthogonal cover code sequence, and less than or equal to one. In some example embodiments, the scaling factor is greater than or equal to a lower threshold.
  • the terminal device may transmit to the network device, uplink control information (UCI) multiplexed on a physical uplink shared channel (PUSCH) operated as an orthogonal cover code (OCC) manner, the uplink control information repeating across plural repetitions corresponding to the orthogonal cover code sequence.
  • UCI uplink control information
  • PUSCH physical uplink shared channel
  • OCC orthogonal cover code
  • the repetitions are across-symbols, across-symbol clusters, across-slots, or intra-symbol (i.e. intra-symbol pre-DFTs and intra-symbol FD) repetitions.
  • Fig. 6 shows a flowchart of an example method 600 for UCI repetition transmission multiplexed on PUSCH according to an example embodiment of the present disclosure.
  • the method 600 may be performed at a base station like the base station 120 discussed above.
  • the method 600 may further include one or more steps that are performed at the base station 120 as described above with respect to Figs. 3-4. It would also be understood that details of some steps in the procedure 600 have been discussed above with respect to Figs. 3-4 and the procedure 600 will be described here in a simple manner.
  • the network device may receive from a terminal device, capability of the terminal device supporting at least one orthogonal cover code scheme.
  • the network device may transmit to the terminal device, configuration of an orthogonal cover code scheme for the terminal device.
  • the network device may transmit the configuration of the orthogonal cover code scheme via radio resource control signaling, downlink control information, or media access control element.
  • the network device may transmit a semi-static configuration of at least one orthogonal cover code scheme; and/or transmit a dynamic configuration indicating at least one orthogonal cover code scheme for use at the terminal device.
  • the network device may transmit to the terminal device, an indication of the scaling factor.
  • the network device may transmit the indication of the scaling factor via radio resource control signaling, downlink control information, or media access control element.
  • the scaling factor is indicated at least partly associated with a length of the orthogonal cover code sequence. In some example embodiments, the scaling factor is indicated by a beta offset index.
  • the network device may transmit at least a semi-static configuration of a scaling factor list; and transmit at least a dynamic configuration indicating the scaling factor selected from the scaling factor list for use at the terminal device.
  • the network device may transmit at least a semi-static configuration of a scaling factor for use at the terminal device.
  • the network device may receive from the terminal device, uplink control information (UCI) multiplexed on a physical uplink shared channel (PUSCH) operated as an orthogonal cover code (OCC) manner, the uplink control information repeating across plural repetitions corresponding to the orthogonal cover code sequence.
  • UCI uplink control information
  • PUSCH physical uplink shared channel
  • OCC orthogonal cover code
  • the repetitions are across-symbols, across-symbol clusters, across-slots, or intra-symbol (i.e. intra-symbol pre-DFTs and intra-symbol FD) repetitions.
  • the network device may receive the uplink control information on a number of resources scaled down by a scaling factor than the number of resources for transmission of the uplink control information in case UCI multiplexing on PUSCH is not operated as the orthogonal cover code manner.
  • the scaling factor is greater than or equal to an inverse of a length of the orthogonal cover code sequence, and less than or equal to one. In some example embodiments, the scaling factor is greater than or equal to a lower threshold.
  • Fig. 7 is a block diagram illustrating an apparatus 700 according to an example embodiment of the present disclosure.
  • the apparatus 700 may be implemented at a terminal device like the UE 110 to perform operations relating to the UE 110 as discussed above. Since the operations relating to the UE 110 have been discussed in detail with reference to Figs. 3-4, the blocks of the apparatus 700 will be described briefly here and details thereof may refer to the above description.
  • the apparatus 700 may include a first means 710 for transmitting, to a network device, uplink control information (UCI) multiplexed on a physical uplink shared channel (PUSCH) operated as an orthogonal cover code (OCC) manner, the uplink control information repeating across plural repetitions corresponding to the orthogonal cover code sequence.
  • UCI uplink control information
  • PUSCH physical uplink shared channel
  • OCC orthogonal cover code
  • the apparatus 700 may further include a second means 720 for determining resources for transmitting the uplink control information in a way that the number of resources is scaled down by a scaling factor than the number of resources for transmission of the uplink control information in case UCI multiplexing on PUSCH is not operated as the orthogonal cover code manner.
  • the apparatus 700 may further include a third means 730 for receiving, from the network device, an indication of the scaling factor.
  • the apparatus 700 may further include a fourth means 740 for receiving, from the network device, configuration of an orthogonal cover code scheme for the terminal device.
  • the apparatus 1100 may further include a fifth means 750 for reporting, to the network device, capability of the terminal device supporting at least one orthogonal cover code scheme.
  • the apparatus 800 may include a first means 810 for receiving, from a terminal device, uplink control information (UCI) multiplexed on a physical uplink shared channel (PUSCH) operated as an orthogonal cover code (OCC) manner, the uplink control information repeating across plural repetitions corresponding to the orthogonal cover code sequence.
  • UCI uplink control information
  • PUSCH physical uplink shared channel
  • OCC orthogonal cover code
  • the apparatus 800 may further include a second means 820 for transmitting, to the terminal device, an indication of the scaling factor.
  • Some exemplary embodiments further provide program instruction or instructions which, when executed by one or more processors, may cause a device or apparatus to perform the procedures described above.
  • the program instruction for carrying out procedures of the exemplary embodiments may be written in any combination of one or more programming languages.
  • the program instruction may be provided to one or more processors or controllers of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the program instruction, when executed by the processor or controller, cause the functions/operations specified in the flowcharts and/or block diagrams to be implemented.
  • the program instruction may execute entirely on a machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
  • Some exemplary embodiments further provide a computer program product or a computer readable medium having the program instruction or instructions stored therein.
  • the computer readable medium may be any tangible medium that may contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
  • the machine readable medium may be a machine readable signal medium or a machine readable storage medium.
  • a machine readable medium may include but is not limited to an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing.
  • machine readable storage medium More specific examples of the machine readable storage medium would include an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory (RAM) , a read-only memory (ROM) , an erasable programmable read-only memory (EPROM or Flash memory) , an optical fiber, a portable compact disc read-only memory (CD-ROM) , an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
  • RAM random access memory
  • ROM read-only memory
  • EPROM or Flash memory erasable programmable read-only memory
  • CD-ROM portable compact disc read-only memory
  • magnetic storage device or any suitable combination of the foregoing.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Divers modes de réalisation donnés à titre d'exemple portent sur des procédés et des appareils pour permettre une transmission de répétition d'informations de commande de liaison montante (UCI) multiplexées sur un canal physique partagé montant (PUSCH). Un appareil peut être configuré pour transmettre des informations de commande de liaison montante (UCI) multiplexées sur un canal physique partagé montant (PUSCH) fonctionnant en tant que mode de code de couverture orthogonal (OCC), les informations de commande de liaison montante se répétant sur plusieurs répétitions correspondant à la séquence de code de couverture orthogonal.
PCT/CN2024/086167 2024-04-04 2024-04-04 Multiplexage d'informations de commande de liaison montante sur canal physique partagé montant avec codes de couverture orthogonaux Pending WO2025208568A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202480061580.7A CN121970467A (zh) 2024-04-04 2024-04-04 具有正交覆盖码的物理上行链路共享信道上的上行链路控制信息复用
PCT/CN2024/086167 WO2025208568A1 (fr) 2024-04-04 2024-04-04 Multiplexage d'informations de commande de liaison montante sur canal physique partagé montant avec codes de couverture orthogonaux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2024/086167 WO2025208568A1 (fr) 2024-04-04 2024-04-04 Multiplexage d'informations de commande de liaison montante sur canal physique partagé montant avec codes de couverture orthogonaux

Publications (1)

Publication Number Publication Date
WO2025208568A1 true WO2025208568A1 (fr) 2025-10-09

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Family Applications (1)

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PCT/CN2024/086167 Pending WO2025208568A1 (fr) 2024-04-04 2024-04-04 Multiplexage d'informations de commande de liaison montante sur canal physique partagé montant avec codes de couverture orthogonaux

Country Status (2)

Country Link
CN (1) CN121970467A (fr)
WO (1) WO2025208568A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190159193A1 (en) * 2017-11-22 2019-05-23 Qualcomm Incorporated Physical uplink control channel (pucch) configuration for new-radio-spectrum sharing (nr-ss)
US20210092762A1 (en) * 2018-05-11 2021-03-25 Wilus Institute Of Standards And Technology Inc. Method for multiplexing uplink control information in wireless communication system, and apparatus using same
US20210235477A1 (en) * 2017-10-11 2021-07-29 Telefonaktiebolaget Lm Ericsson (Publ) UCI on Grant-Free PUSCH
US20220247537A1 (en) * 2019-07-12 2022-08-04 Telefonaktiebolaget Lm Ericsson (Publ) Method for selecting physical uplink control channel (pucch) orthogonal cover codes (occ) repetition sequence

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210235477A1 (en) * 2017-10-11 2021-07-29 Telefonaktiebolaget Lm Ericsson (Publ) UCI on Grant-Free PUSCH
US20190159193A1 (en) * 2017-11-22 2019-05-23 Qualcomm Incorporated Physical uplink control channel (pucch) configuration for new-radio-spectrum sharing (nr-ss)
US20210092762A1 (en) * 2018-05-11 2021-03-25 Wilus Institute Of Standards And Technology Inc. Method for multiplexing uplink control information in wireless communication system, and apparatus using same
US20220247537A1 (en) * 2019-07-12 2022-08-04 Telefonaktiebolaget Lm Ericsson (Publ) Method for selecting physical uplink control channel (pucch) orthogonal cover codes (occ) repetition sequence

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
QUALCOMM INCORPORATED: "Multiplexing of PUCCH and PUSCH", 3GPP, vol. RAN WG1, no. Qingdao, China; 20170627 - 20170630, 26 June 2017 (2017-06-26), FR, XP051300395 *

Also Published As

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CN121970467A (zh) 2026-05-01

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