WO2023207542A1 - Procédé et appareil de communication - Google Patents

Procédé et appareil de communication Download PDF

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Publication number
WO2023207542A1
WO2023207542A1 PCT/CN2023/086535 CN2023086535W WO2023207542A1 WO 2023207542 A1 WO2023207542 A1 WO 2023207542A1 CN 2023086535 W CN2023086535 W CN 2023086535W WO 2023207542 A1 WO2023207542 A1 WO 2023207542A1
Authority
WO
WIPO (PCT)
Prior art keywords
pdsch
pucch
harq
terminal device
ack information
Prior art date
Application number
PCT/CN2023/086535
Other languages
English (en)
Chinese (zh)
Inventor
申建平
周武啸
夏金环
焦淑蓉
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2023207542A1 publication Critical patent/WO2023207542A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the first threshold is determined according to at least one of the following: an end symbol of the first physical downlink control channel PDCCH, an end symbol of the first PDSCH, a subcarrier spacing, or The capability reported by the terminal equipment, wherein the subcarrier spacing is one of the subcarrier spacing of the first PDCCH, the subcarrier spacing of the first PDSCH, and the subcarrier spacing of the first PUCCH, and the first PDCCH Used to carry the second control information.
  • the PDSCH processing time is further determined according to at least one of the following: the demodulation pilot configuration of the PDSCH, the subcarrier spacing, or the first set, wherein the first A set contains at least one positive number.
  • the terminal device before determining the HARQ-ACK information of the first PDSCH, the terminal device can determine that the time interval between the end symbol of the first PDSCH and the start symbol of the first PUCCH set is greater than or equal to the first threshold.
  • the HARQ-ACK information of the first PDSCH is fed back on the first PUCCH, thereby reserving more time for the configuration of the first PUCCH and improving the efficiency of information processing by the terminal equipment.
  • the terminal device determines a size relationship between the time interval between the end symbol of the second PDCCH and the start symbol of the second PUCCH set and the third threshold, and The terminal equipment determines that the time interval between the end symbol of the second PDSCH and the start symbol of the second PUCCH set is the same as the second The size relationship between thresholds does not need to be in order.
  • terminal equipment with poor processing capabilities can also within the first threshold, the starting symbol of the first PUCCH is determined, and the configuration of the first PUCCH is completed, so that terminal equipment with different processing capabilities can feed back the HARQ-ACK information of the first PDSCH to the network equipment. .
  • the PUCCH processing time is further determined based on at least one of the following: the demodulation pilot configuration of the PDSCH, the subcarrier spacing, or the second set, wherein the first The two sets contain at least one positive number.
  • the PDSCH processing time is further determined according to at least one of the following: the demodulation pilot configuration of the PDSCH, the subcarrier spacing, or the first set, wherein the first A set contains at least one positive number.
  • system may further include a network device, which may be configured to perform the steps performed by the network device in any of the methods of the second aspect and the fourth aspect.
  • Figure 2 shows a schematic diagram of a communication method 200 provided by an embodiment of the present application.
  • the terminal device may also be a terminal device in the IoT system.
  • IoT is an important part of the future development of information technology. Its main technical feature is to connect objects to the network through communication technology, thereby realizing human-machine Interconnection, an intelligent network that interconnects things.
  • the device used to implement the functions of the terminal device may be a terminal device, or may be a device capable of supporting the terminal device to implement the function, such as a chip system or a chip, and the device may be installed in the terminal device.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • terminal equipment 140, the terminal equipment 150 and the terminal equipment 160 can also be regarded as a communication system.
  • the terminal equipment 160 can send downlink signals to the terminal equipment 140 and the terminal equipment 150, and can also receive uplink signals sent by the terminal equipment 140 and the terminal equipment 150. Signal.
  • this application provides a communication method. Through this method, this application can not only avoid the waste of storage space of the terminal equipment and reduce the cost and power consumption of the terminal equipment, but also can complete the configuration of the PUCCH without requiring the processing capability of the terminal equipment, and based on The configured PUCCH feeds back the HARQ-ACK information of the PDSCH to the network device.
  • the terminal device receives the first control information, the second control information and the third control information from the network device.
  • the HARQ-ACK information of the first PDSCH is the decoding result of at least one transport block carried by the first PDSCH.
  • the decoding results of multiple transport blocks can have multiple combinations. In NACK-only mode, it is assumed that the decoding result is 1, which means the decoding is correct, and the decoding result is 0, which means the decoding is wrong.
  • the first time may be predefined by the protocol.
  • T 1 (N 1 +d 1,1 +d 2 )(2048+144)* ⁇ *2 - ⁇ *T c +T ext (1)
  • the PDSCH decoding time is one of the values in the set corresponding to the subcarrier spacing ⁇ and the additional pilot. For example, when the subcarrier spacing ⁇ is 1 and there is an additional pilot, the corresponding set is ⁇ Y 21 , Y 22 , Y 23 , Y 24 ⁇ . At this time, the PDSCH decoding time can be Y 21 , Y 22 , One of Y 23 and Y 24 .
  • the terminal device determines to feed back the first PDSCH on the first PUCCH.
  • HARQ-ACK information is that when the time interval between the end symbol of the first PDSCH and the start symbol of the first PUCCH set is greater than or equal to the first threshold, the terminal device determines to feed back the first PDSCH on the first PUCCH.
  • the terminal device determines not to feed back the HARQ-ACK information of the first PDSCH on the first PUCCH.
  • the terminal device receives at least one PDSCH from the network device.
  • the terminal equipment determines whether to feed back the HARQ-ACK information of at least one PDSCH on the second PUCCH.
  • the terminal device determines not to feed back on the second PUCCH HARQ-ACK information of the Nth PDSCH, where N is a positive integer.
  • the terminal device before determining the HARQ-ACK information of the second PDSCH, the terminal device can determine that the time interval between the end symbol of the second PDSCH and the start symbol of the second PUCCH set is greater than or equal to the second threshold.
  • the HARQ-ACK information of the second PDSCH is fed back on the third PUCCH, thereby reserving more time for the radio frequency and bandwidth configuration of the third PUCCH, and improving the efficiency of information processing by the terminal equipment.
  • the size relationship between the two thresholds and then determine the size relationship between the time interval between the end symbol of the second PDCCH and the start symbol of the second PUCCH set and the third threshold; or, the terminal device can determine the second PDCCH at the same time
  • the time interval between the end symbol and the start symbol of the second PUCCH set and the third threshold, and the time interval between the end symbol of the second PDSCH and the start symbol of the second PUCCH set and the third threshold The relationship between the two thresholds.
  • At least one (item) refers to one or more, and “plurality” refers to two or more.
  • “And/or” is used to describe the relationship between associated objects, indicating that there can be three relationships. For example, “A and/or B” can mean: only A exists, only B exists, and A and B exist simultaneously. , where A and B can be singular or plural. The character “/” generally indicates that the related objects are in an "or” relationship. “At least one of the following” or similar expressions thereof refers to any combination of these items, including any combination of a single item (items) or a plurality of items (items).
  • the device 700 is used to perform the actions performed by the terminal device in each of the above method embodiments.
  • the capability reported by the terminal device is used to indicate whether the terminal device needs to increase the PDSCH processing time, and the first threshold includes the PDSCH processing time; or the capability reported by the terminal device is used to indicate whether the terminal device needs to increase the PDSCH processing time.
  • PUCCH processing time the first threshold includes the PUCCH processing time.
  • an embodiment of the present application provides a chip system 900.
  • the chip system 900 (or can also be called a processing system) includes a logic circuit 910 and an input/output interface 920.

Landscapes

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

Abstract

L'invention concerne un procédé et un appareil de communication. Le procédé comprend les étapes suivantes : un dispositif terminal reçoit des premières informations de commande, des secondes informations de commande, et des troisièmes informations de commande en provenance d'un dispositif de réseau ; le dispositif terminal reçoit un premier PDSCH en provenance du dispositif de réseau ; et le dispositif terminal détermine un symbole de départ d'un premier PUCCH selon les troisièmes informations de commande et des informations HARQ-ACK du premier PDSCH, un intervalle de temps entre un symbole de fin du premier PDSCH et le symbole de départ du premier PUCCH étant supérieur ou égal à un premier seuil, et le premier seuil étant associé uniquement à un NACK, de sorte que des dispositifs terminaux présentant différentes capacités de traitement puissent renvoyer les informations HARQ-ACK du premier PDSCH au dispositif de réseau.
PCT/CN2023/086535 2022-04-24 2023-04-06 Procédé et appareil de communication WO2023207542A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210460400.5 2022-04-24
CN202210460400.5A CN116996191A (zh) 2022-04-24 2022-04-24 一种通信方法和装置

Publications (1)

Publication Number Publication Date
WO2023207542A1 true WO2023207542A1 (fr) 2023-11-02

Family

ID=88517459

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/086535 WO2023207542A1 (fr) 2022-04-24 2023-04-06 Procédé et appareil de communication

Country Status (2)

Country Link
CN (1) CN116996191A (fr)
WO (1) WO2023207542A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111865515A (zh) * 2019-04-25 2020-10-30 华为技术有限公司 通信方法和通信装置
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
WO2021159311A1 (fr) * 2020-02-12 2021-08-19 Oppo广东移动通信有限公司 Procédé de communication, dispositif et support de stockage
CN113472489A (zh) * 2020-03-31 2021-10-01 华为技术有限公司 信息传输方法、装置及系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN111865515A (zh) * 2019-04-25 2020-10-30 华为技术有限公司 通信方法和通信装置
WO2021159311A1 (fr) * 2020-02-12 2021-08-19 Oppo广东移动通信有限公司 Procédé de communication, dispositif et support de stockage
CN113472489A (zh) * 2020-03-31 2021-10-01 华为技术有限公司 信息传输方法、装置及系统

Also Published As

Publication number Publication date
CN116996191A (zh) 2023-11-03

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