WO2020143050A1 - Procédé de détermination d'informations de commande de liaison descendante (dci) pour planification inter-porteuses, dispositif terminal et dispositif de réseau - Google Patents

Procédé de détermination d'informations de commande de liaison descendante (dci) pour planification inter-porteuses, dispositif terminal et dispositif de réseau Download PDF

Info

Publication number
WO2020143050A1
WO2020143050A1 PCT/CN2019/071464 CN2019071464W WO2020143050A1 WO 2020143050 A1 WO2020143050 A1 WO 2020143050A1 CN 2019071464 W CN2019071464 W CN 2019071464W WO 2020143050 A1 WO2020143050 A1 WO 2020143050A1
Authority
WO
WIPO (PCT)
Prior art keywords
dci
cells
size
frequency domain
cell
Prior art date
Application number
PCT/CN2019/071464
Other languages
English (en)
Chinese (zh)
Inventor
沈嘉
赵振山
Original Assignee
Oppo广东移动通信有限公司
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 Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201980088755.2A priority Critical patent/CN113273240A/zh
Priority to PCT/CN2019/071464 priority patent/WO2020143050A1/fr
Publication of WO2020143050A1 publication Critical patent/WO2020143050A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements

Definitions

  • the present application relates to the field of information processing technology, and in particular, to a method for determining DCI for cross-carrier scheduling, terminal equipment, network equipment, and computer storage media, chips, computer-readable storage media, computer program products, and computer programs.
  • the frequency domain resource allocation (FDRA, Frequency Domain Resource Assignment) of the downlink control information (DCI) in the scheduling cell is scheduled.
  • the size of the field is determined by the number of resource block groups (RBG, Resource Block Group) N RBG and PRB of the scheduled cell definite.
  • the size of the bandwidth part (BWP, BandWidth Part) of different scheduled cells may be different. It may also be different. As a result, the size of the FDRA domain scheduling different cells may be different, and the corresponding DCI size will also be different. Different cells have different It is caused by two reasons: one is that the absolute size of the activated BWP of the two cells is different, and the second is that the subcarrier spacing (SCS, SubCarrier Spacing) of the activated BWP of the two cells is different.
  • SCS subcarrier Spacing
  • the terminal device Send to the terminal device the DCI that schedules different cells in at least two cells within one cell; wherein, the target size of the DCI for cross-carrier scheduling for different cells is the same.
  • the second communication unit sends, to the terminal device, the DCI for scheduling different cells in at least two cells in one cell; wherein, the target size of DCI for cross-carrier scheduling for different cells is the same.
  • FIG. 10 is a schematic diagram 2 of a DCI size of a different cell scheduling in the prior art
  • FIG. 13 is a schematic structural diagram of a composition of a communication device provided by an embodiment of this application.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. This application The embodiment does not limit this.
  • the determining the target size of the frequency domain resource allocation bit domain in the DCI of cross-carrier scheduling based on the size of the bandwidth part BWP of each of the at least two cells includes:
  • N bits (N ⁇ SFDRA) of the SFDRA bits are used to indicate the frequency domain resources of the cell.
  • N in the first cell or the second cell according to or determine.
  • the 13-bit FDRA field in the DCI of Cell 1 contains a 13-bit FDRA bitmap
  • the 13-bit FDRA field in the DCI of Cell 2 contains a 10-bit FDRA bitmap and a 3-bit zero padding.
  • the maximum Or NRBG determines the size of the FDRA field in DCI, thereby aligning the scheduling DCI size of different cells, thereby reducing the number of DCI blind detections, reducing the PDCCH monitoring complexity, shortening the control channel reception delay, and improving the resource scheduling efficiency.
  • method 1 limits the alignment range to the case where multiple cells use the same frequency domain resource allocation type, which can avoid aligning the size of the FDRA domain when different cells are configured with different frequency domain resource allocation types.
  • Method 2 is used for processing, regardless of whether multiple cells use the same or different frequency domain resource allocation types, they can align the scheduling DCI size of different cells, thereby reducing the number of DCI blind detections, reducing the complexity of PDCCH monitoring, and shortening the time for control channel reception Extension to improve resource scheduling efficiency. At the same time, method 2 limits the alignment range to the frequency domain resource allocation bit domain. When the sizes of other domains in the DCI are different, in order to align the size of the DCI, a large increase in DCI overhead is caused.
  • the manner of acquiring the frequency domain resources of the DCI may be: based on the size of the DCI corresponding to each of the at least two cells, acquiring the information content of the DCI corresponding to the different cells from the end of the DCI of the different cells in the at least two cells.
  • the DCI of Cell 1 includes the DCI playload of SDCI1 bit and the zero padding of (SDCI2-SDCI1) bit, and the DCI of Cell 2 contains the DCI playload of SDCI2 bit.
  • the present embodiment is applied in a carrier aggregation (CA, Carrier Aggregation) scenario.
  • CA carrier aggregation
  • the CA system supports self-scheduling and cross-carrier scheduling.
  • the CA may include multiple cells, and different cells correspond to different carriers.
  • the DCI is sent in the scheduling cell, that is, in addition to the scheduling cell, the DCI of the remaining scheduled cells needs to be changed from Obtained from the DCI of the scheduling cell.
  • the CA system shown in FIG. 3 includes three carriers, that is, three cells, and the cells (Cell) 0, 1, and 2 are shown in the figure; where Cell 0 can schedule the resources of the cell and the Cell.
  • Cell 0 is called a scheduling cell (Scheduling cell), and the resources of Cell 1 and Cell 2 are scheduled by Cell 0, which is called a scheduled cell (Scheduled cell).
  • the downlink signal and uplink signal in each carrier are limited to the activated downlink bandwidth part (DL BWP) and the activated downlink bandwidth part (UL BWP). If the DCI of Cell 0 schedules the PDSCH or PUSCH of the cell, it is called self-scheduling; if the DCI of Cell 0 schedules the PDSCH or PUSCH of Cell 1 or Cell 2, it is called cross-carrier scheduling.
  • DL BWP activated downlink bandwidth part
  • UL BWP activated downlink bandwidth part
  • the size of the frequency domain resource allocation (FDRA) bit domain of the DCI scheduling each carrier (cell) is determined according to the parameters of the carrier.
  • FDRA frequency domain resource allocation
  • Several solutions provided in this embodiment can be processed according to the size of FDRA or the content size of DCI.
  • the final scheduling cell adopts the same DCI size regardless of the DCI of the sending scheduling cell or the DCI of the scheduled cell.
  • the terminal device determines the size of the bandwidth portion of at least two cells, that is, at least two scheduled cells (or, a scheduling cell and at least one scheduled cell), and then based on at least The size of the bandwidth portion of the two cells determines the target size of the frequency domain resource allocation bit domain.
  • the DCI FDRA bit domain size determination method is quoted as follows (the following resource allocation is an example, the uplink is similar), if the resource scheduling mode is fixed to the first frequency domain resource allocation type (such as type 0), the size of the domain by FDRA cell activation in this BWP resource block groups (RBGs) determines the number N RBG, and the physical resource blocks N RBG is again activated in this cell in the BWP ( PRB) Quantity Determined; if the resource scheduling mode is fixed to the second frequency domain resource allocation type (such as type 1), the size of the FDRA domain is determined by Determined; if the resource scheduling mode is a mixed type 0 and type 1, the size of the FDRA domain is determined by the larger of the two domain sizes.
  • the first frequency domain resource allocation type such as type 0
  • the size of the domain by FDRA cell activation in this BWP resource block groups (RBGs) determines the number N RBG, and the physical resource blocks N RBG is again activated in this cell in the BW
  • N bits (N ⁇ SFDRA) of the SFDRA bits are used to indicate the frequency domain resources of the cell.
  • N in the first cell or the second cell according to or determine.
  • N RBG determining the maximum size of the plurality of cells in the DCI FDRA domain (cells Cell 1 and Cell 2 cells are configured as a first resource allocation type frequency domain, i.e. frequency domain resource allocation type 0) in accordance with.
  • the maximum Or NRBG determines the size of the FDRA field in DCI, thereby aligning the scheduling DCI size of different cells, thereby reducing the number of DCI blind detections, reducing the PDCCH monitoring complexity, shortening the control channel reception delay, and improving the resource scheduling efficiency.
  • method 1 limits the alignment range to the case where multiple cells use the same frequency domain resource allocation type, which can avoid aligning the size of the FDRA domain when different cells are configured with different frequency domain resource allocation types.
  • frequency domain resources for different cells are set at the end of the corresponding frequency domain resource allocation bit domain.
  • the method 2 will be described with reference to FIG. 6. Assuming that the absolute size and subcarrier spacing of the activated BWP of Cell 1 and the activated BWP of Cell 2 are different, the activated BWP size of Cell 1 and the activated BWP size of Cell 2 are respectively And Cell 1 is configured to adopt the first frequency domain resource allocation type, namely frequency domain resource allocation type 0, and Cell 2 is configured to adopt the second frequency domain resource allocation type, namely frequency domain resource allocation type 1.
  • Method 2 is used for processing, regardless of whether multiple cells use the same or different frequency domain resource allocation types, they can align the scheduling DCI size of different cells, thereby reducing the number of DCI blind detections, reducing the complexity of PDCCH monitoring, and shortening the time for control channel reception Extension to improve resource scheduling efficiency. At the same time, method 2 limits the alignment range to the frequency domain resource allocation bit domain. When the sizes of other domains in the DCI are different, in order to align the size of the DCI, a large increase in DCI overhead is caused.
  • the DCI information content corresponding to the DCI information size of each cell is set at the last bit of the DCI of different cells in the at least two cells, and the remaining bits are filled with zeros.
  • the DCI of Cell 1 includes the DCI playload of SDCI1 bit and the zero padding of (SDCI2-SDCI1) bit, and the DCI of Cell 2 contains the DCI playload of SDCI2 bit.
  • the first processing unit 41 determines the target size of cross-carrier scheduling downlink control information DCI;
  • the method for determining the target size of DCI for cross-carrier scheduling may include the following:
  • the first processing unit 41 determines the size of the resource block group (RBG, Resource Block) of each cell based on the size of the bandwidth part BWP of each cell for the first frequency domain resource allocation type;
  • the first processing unit 41 determines the size of the frequency domain resource allocation bit field corresponding to each of the at least two cells; based on the size of the frequency domain resource bit field corresponding to each cell
  • the target size of the frequency domain resource bit field included in the DCI of carrier scheduling; based on the target size of the frequency domain resource allocation bit domain of the cross-carrier scheduling, the target size of the DCI of the cross-carrier scheduling is determined.
  • An embodiment of the present application provides a network device, as shown in FIG. 12, including:
  • the network device needs to determine the target size of DCI for cross-carrier scheduling before sending DCI, which may include the following methods:
  • the target size of the DCI for cross-carrier scheduling for different cells is determined by the information size of the DCI corresponding to each of the at least two cells.
  • the same DCI target size can be used for DCI detection for different cells, thereby reducing the number of DCI blind detections, reducing the complexity of PDCCH detection, shortening the control channel reception delay, and improving resource scheduling effectiveness.
  • the communication device 600 may specifically be a terminal device or a network device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application. It is concise and will not be repeated here.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the terminal device 810 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 820 can be used to implement the corresponding function implemented by the network device in the above method.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, and a register.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the computer-readable storage medium may be applied to the network device in the embodiments of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiments of the present application.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, For brevity, I will not repeat them here.
  • An embodiment of the present application also provides a computer program.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiments of the present application, and when the computer program runs on the computer, the computer is implemented by the mobile terminal/terminal device in performing various methods of the embodiments of the present application For the sake of brevity, I will not repeat them here.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium.
  • the scope of protection of this application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in this application. It should be covered by the scope of protection of this application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Landscapes

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

Abstract

L'invention concerne un procédé destiné à déterminer des informations de commande de liaison descendante (DCI) pour une planification inter-porteuses, un dispositif terminal, un dispositif de réseau, une puce, un support de stockage lisible par ordinateur, un produit de programme informatique et un programme informatique. Le procédé selon l'invention consiste : à déterminer une taille cible de DCI pour une planification inter-porteuses ; et, lorsque les DCI programmant différentes cellules parmi au moins deux cellules sont détectées dans une cellule, à utiliser la même taille cible des DCI pour effectuer une détection de DCI.
PCT/CN2019/071464 2019-01-11 2019-01-11 Procédé de détermination d'informations de commande de liaison descendante (dci) pour planification inter-porteuses, dispositif terminal et dispositif de réseau WO2020143050A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980088755.2A CN113273240A (zh) 2019-01-11 2019-01-11 跨载波调度的dci的确定方法、终端设备及网络设备
PCT/CN2019/071464 WO2020143050A1 (fr) 2019-01-11 2019-01-11 Procédé de détermination d'informations de commande de liaison descendante (dci) pour planification inter-porteuses, dispositif terminal et dispositif de réseau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/071464 WO2020143050A1 (fr) 2019-01-11 2019-01-11 Procédé de détermination d'informations de commande de liaison descendante (dci) pour planification inter-porteuses, dispositif terminal et dispositif de réseau

Publications (1)

Publication Number Publication Date
WO2020143050A1 true WO2020143050A1 (fr) 2020-07-16

Family

ID=71520838

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/071464 WO2020143050A1 (fr) 2019-01-11 2019-01-11 Procédé de détermination d'informations de commande de liaison descendante (dci) pour planification inter-porteuses, dispositif terminal et dispositif de réseau

Country Status (2)

Country Link
CN (1) CN113273240A (fr)
WO (1) WO2020143050A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024031676A1 (fr) * 2022-08-12 2024-02-15 北京小米移动软件有限公司 Procédé et appareil de détermination d'ensemble, et appareil de communication et support de stockage
WO2024124783A1 (fr) * 2022-12-15 2024-06-20 北京小米移动软件有限公司 Procédé et appareil de décodage d'informations de commande de liaison descendante, et procédé et appareil de génération d'informations de commande de liaison descendante

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115134916A (zh) * 2021-03-25 2022-09-30 维沃移动通信有限公司 传输处理方法及相关设备
WO2023240418A1 (fr) * 2022-06-13 2023-12-21 北京小米移动软件有限公司 Procédé de détection d'informations de planification pour planification multi-cellules, et appareils associés
CN115245033A (zh) * 2022-06-17 2022-10-25 北京小米移动软件有限公司 调度确定、下行控制信息发送方法和装置
WO2024000551A1 (fr) * 2022-07-01 2024-01-04 北京小米移动软件有限公司 Procédé et appareil de détermination de ressources, procédé et appareil de programmation de multiples porteuses, et support de stockage
CN115462033A (zh) * 2022-07-29 2022-12-09 北京小米移动软件有限公司 下行控制信息dci接收、发送方法及装置、存储介质
WO2024065849A1 (fr) * 2022-09-30 2024-04-04 北京小米移动软件有限公司 Procédé de détermination de domaine d'informations, dispositif de détermination de cellule et dispositif d'indication de cellule

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102238621A (zh) * 2010-04-29 2011-11-09 中兴通讯股份有限公司 基于物理下行共享信道传输公共数据的方法和***
US20140335869A1 (en) * 2013-05-08 2014-11-13 Lg Electronics Inc. Method of configuring dual connectivity to ue in heterogeneous cell deployment
CN105991263A (zh) * 2015-01-30 2016-10-05 中兴通讯股份有限公司 下行控制信息dci的配置、下行数据的接收方法及装置
US20160302176A1 (en) * 2015-04-10 2016-10-13 Lg Electronics Inc. Method and device for supporting harq in unlicensed band

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102238621A (zh) * 2010-04-29 2011-11-09 中兴通讯股份有限公司 基于物理下行共享信道传输公共数据的方法和***
US20140335869A1 (en) * 2013-05-08 2014-11-13 Lg Electronics Inc. Method of configuring dual connectivity to ue in heterogeneous cell deployment
CN105991263A (zh) * 2015-01-30 2016-10-05 中兴通讯股份有限公司 下行控制信息dci的配置、下行数据的接收方法及装置
US20160302176A1 (en) * 2015-04-10 2016-10-13 Lg Electronics Inc. Method and device for supporting harq in unlicensed band

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024031676A1 (fr) * 2022-08-12 2024-02-15 北京小米移动软件有限公司 Procédé et appareil de détermination d'ensemble, et appareil de communication et support de stockage
WO2024124783A1 (fr) * 2022-12-15 2024-06-20 北京小米移动软件有限公司 Procédé et appareil de décodage d'informations de commande de liaison descendante, et procédé et appareil de génération d'informations de commande de liaison descendante

Also Published As

Publication number Publication date
CN113273240A (zh) 2021-08-17

Similar Documents

Publication Publication Date Title
WO2020143050A1 (fr) Procédé de détermination d'informations de commande de liaison descendante (dci) pour planification inter-porteuses, dispositif terminal et dispositif de réseau
WO2020143057A1 (fr) Procédé et appareil de détermination de schéma d'accès à un canal, dispositif terminal, et dispositif de réseau
WO2020164321A1 (fr) Procédé de transmission basée sur de multiples informations de régulation de liaison descendante, dispositif, système et support de stockage
US11246120B2 (en) Data transmission method and terminal device
WO2020140289A1 (fr) Procédé d'attribution de ressources, dispositif terminal, et dispositif de réseau
WO2020056632A1 (fr) Procédé et dispositif de transmission d'informations, et terminal
WO2020029256A1 (fr) Procédé de transmission de données, dispositif terminal et dispositif de réseau
WO2020051774A1 (fr) Procédé de communication, dispositif terminal et dispositif de réseau
WO2020037626A1 (fr) Procédé et appareil de transmission d'informations rétroactives, et dispositif de communication
WO2020198983A1 (fr) Procédé et appareil de communication sans fil pour spectre de fréquence sans licence et dispositif de communication
WO2020163986A1 (fr) Procédé d'indication de ressources, dispositif terminal et dispositif de réseau
WO2020024271A1 (fr) Procédé d'attribution de ressources, dispositif terminal, et dispositif de réseau
WO2020073623A1 (fr) Procédé et appareil de configuration de ressources et dispositif de communication
WO2020087545A1 (fr) Procédé de détermination d'informations de commande de liaison montante et dispositif de communication
WO2020133457A1 (fr) Procédé de communication sans fil, dispositif réseau et dispositif terminal
TW202019208A (zh) 一種回饋資源的複用方法、終端設備及網路設備
WO2020087854A1 (fr) Procédé et dispositif de communication sans fil
WO2020093399A1 (fr) Procédé de communication sans fil, dispositif réseau, et dispositif terminal
WO2020107409A1 (fr) Procédé de communication, dispositif terminal et dispositif de réseau
WO2021035557A1 (fr) Procédé et appareil de configuration de ressources, disposisif terminal et dispositif réseau
WO2021000239A1 (fr) Procédé de communication sans fil, dispositif de réseau et dispositif terminal
WO2020061773A1 (fr) Procédé d'attribution de ressources de rétroaction, dispositif terminal et dispositif de réseau
TW202002700A (zh) 一種上行資料傳輸方法及相關設備
WO2021088260A1 (fr) Procédé de transmission d'informations de rétroaction, équipement terminal et dispositif de réseau
WO2020024250A1 (fr) Procédé de communication sans fil, dispositif terminal, et dispositif de réseau

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19908729

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19908729

Country of ref document: EP

Kind code of ref document: A1