WO2019062276A1 - Procédé et dispositif de configuration d'informations d'indicateur de qualité de canal, et support de stockage - Google Patents

Procédé et dispositif de configuration d'informations d'indicateur de qualité de canal, et support de stockage Download PDF

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Publication number
WO2019062276A1
WO2019062276A1 PCT/CN2018/095392 CN2018095392W WO2019062276A1 WO 2019062276 A1 WO2019062276 A1 WO 2019062276A1 CN 2018095392 W CN2018095392 W CN 2018095392W WO 2019062276 A1 WO2019062276 A1 WO 2019062276A1
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WO
WIPO (PCT)
Prior art keywords
terminal
cqi
modulation mode
maximum modulation
cqi table
Prior art date
Application number
PCT/CN2018/095392
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English (en)
Chinese (zh)
Inventor
边峦剑
辛雨
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中兴通讯股份有限公司
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Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2019062276A1 publication Critical patent/WO2019062276A1/fr

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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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits

Definitions

  • the present invention relates to, but is not limited to, the field of mobile communications, and in particular, to a method, a device, and a storage medium for configuring channel quality indication information.
  • the Long Term Evolution (LTE) technology belongs to the fourth generation (4G, Fourth Generation) wireless cellular communication technology.
  • the LTE system defines a Channel Quality Indicator (CQI) table and a Modulation and Coding Schedule (MCS) table for determining the modulation mode and coding efficiency of the data.
  • CQI Channel Quality Indicator
  • MCS Modulation and Coding Schedule
  • the base station does not have a corresponding signaling configuration scheme.
  • the embodiment of the present invention is to provide a method, a device, and a storage medium for configuring channel quality indication information, which can indicate CQI table configuration information for different types of terminals without increasing the existing signaling overhead.
  • the embodiment of the present invention provides a method for configuring channel quality indication information, where the method includes:
  • a CQI table is indicated from the selected P CQI tables to the terminal.
  • an embodiment of the present invention provides a configuration apparatus for channel quality indication information, including a memory and a processor; the memory stores a configuration computer program of channel quality indication information, and the processor executes the program to A method for configuring channel quality indication information in the embodiment of the present invention is implemented.
  • an embodiment of the present invention provides a computer readable storage medium, a configuration computer program storing channel quality indication information, when the program is executed by at least one processor, to implement channel quality in the embodiment of the present invention. Indicates how to configure the information.
  • FIG. 1 is a flowchart of a method for configuring channel quality indication information according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a device for configuring channel quality indication information according to an embodiment of the present invention.
  • the embodiment of the present invention provides a method, a device, and a storage medium for configuring channel quality indication information.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
  • an embodiment of the present invention provides a method for configuring channel quality indication information, where the method includes:
  • the embodiment of the present invention is implemented in a transmitting end, where the transmitting end includes a base station, a terminal, a relay, a transmitting point, and the like.
  • the embodiment of the present invention selects P CQI tables from the pre-configured CQI table according to the terminal type of the terminal, and indicates a CQI table from the P CQI tables to the terminal, so that the signaling can effectively save signaling overhead.
  • Different types of terminals indicate CQI table configuration information, and can cover all modulation modes and coding efficiency of CQI to ensure the stability of data transmission.
  • indicating a CQI table from the two CQI tables to the terminal includes: transmitting high layer configuration signaling to the terminal, the high layer configuration signaling being used to indicate a CQI table to the terminal.
  • the method Before selecting the two CQI tables from the pre-configured CQI table according to the terminal type of the terminal, the method includes: determining, according to the terminal type, a maximum modulation mode supported by the terminal.
  • the terminal types include 64 Quadrature Amplitude Modulation (QAM) terminal type, 256QAM terminal type, and 1024QAM terminal type, and the like.
  • the maximum modulation mode corresponding to the 64QAM terminal type is 64QAM
  • the maximum modulation mode corresponding to the 256QAM terminal type is 256QAM
  • the maximum modulation mode corresponding to the 1024QAM terminal type is 1024QAM.
  • the selected two CQI tables include at least a first CQI table, and the first CQI table has a maximum modulation mode of 64QAM.
  • the selected two CQI tables include at least a second CQI table, and the maximum modulation mode of the second CQI table is a maximum modulation mode corresponding to the terminal type or supported by the transmitting end. Maximum modulation method.
  • the maximum modulation mode corresponding to the terminal type and the maximum modulation mode supported by the transmitting end the smaller one is the maximum modulation mode of the second CQI table.
  • the maximum modulation mode supported by the transmitting end when the maximum modulation mode supported by the transmitting end is greater than or equal to the maximum modulation mode corresponding to the terminal type, the maximum modulation mode supported between the transmitting end and the terminal is the maximum modulation mode supported by the terminal.
  • the maximum modulation mode of the second CQI table is a maximum modulation mode corresponding to the terminal type;
  • the maximum modulation mode supported by the transmitting end is smaller than the maximum modulation mode corresponding to the terminal type, the maximum modulation mode supported between the transmitting end and the terminal is the maximum modulation mode supported by the transmitting end. At this time, the maximum modulation mode of the second CQI table is the maximum modulation mode supported by the transmitting end.
  • the embodiment of the present invention selects two CQI tables in all CQI tables configured in advance, and although the number of available CQI tables is reduced, the two CQI tables include at least a CQI table (first CQI table) with a maximum modulation mode of 64QAM and The maximum modulation mode is a CQI table (second CQI table) of the maximum modulation mode supported by the terminal, so that all modulation modes and coding efficiency of the CQI can be covered, and the stability of data transmission is ensured.
  • the number of the pre-configured channel quality indication CQI tables is an integer not less than 3, and the high layer configuration signaling is 1-bit information.
  • the sender when configured with 3 or more CQI tables, two of the CQI tables are selected, and the 1-bit high-level configuration signaling indicates that the terminal uses one of the two CQI tables.
  • the high layer configuration signaling is used to indicate a CQI table to the terminal, including:
  • the high-level configuration signaling indicates that the CQI table with a maximum modulation mode of 64QAM or a CQI table with a maximum modulation mode of 1024QAM is given to the terminal.
  • the 1-bit high-layer configuration signaling indicates that the terminal uses a CQI table with a maximum modulation mode of 64QAM, or a CQI table with a maximum modulation mode of 1024QAM.
  • the higher layer configuration signaling may be a CQI table that directly or indirectly indicates the terminal.
  • the high-level configuration signaling may indicate other information (pre-configured configuration information) to the terminal, but the other information indirectly corresponds to the CQI table of the terminal.
  • the high-level configuration signaling may indicate whether the terminal is enabled with 1024QAM. If the terminal is enabled to enable 1024QAM, the corresponding terminal uses a CQI table with a maximum modulation mode of 1024QAM, and if the terminal is not enabled with 1024QAM, The corresponding terminal uses a CQI table with a maximum modulation mode of 64QAM.
  • the high-level configuration signaling indicates a CQI table to the terminal, and the high-level configuration signaling carrying the configuration information is indicated and carried to the terminal according to the preset configuration information and the CQI table correspondence.
  • the configuration information corresponds to the CQI table.
  • the MCS table may be configured according to the CQI table, that is, the MCS table and the CQI table have a certain correspondence relationship, so that the high-level configuration signaling indicates a CQI table and corresponds to one MCS table.
  • a method for configuring channel quality indication information includes:
  • Step 1 The terminal is a 1024QAM terminal type, and the sending end selects two CQI tables from three CQI tables according to the 1024QAM terminal type.
  • the sender includes three CQI tables: a CQI table with a maximum modulation mode of 64QAM, a CQI table with a maximum modulation mode of 256QAM, and a CQI table with a maximum modulation mode of 1024QAM.
  • the 1024QAM terminal type refers to a terminal with a maximum modulation mode of 1024QAM.
  • the sender selects a CQI table with a maximum modulation mode of 64QAM and a CQI table with a maximum modulation mode of 1024QAM from three CQI tables.
  • the sender selects a CQI table with a maximum modulation mode of 64QAM and a CQI table with a maximum modulation mode of 256QAM from the three CQI tables.
  • Step 2 The transmitting end sends high-level configuration signaling to the terminal, where the high-level configuration signaling indicates that the terminal uses one of the selected two CQI tables.
  • the high-level configuration signaling indicating the CQI table for the 1024QAM terminal is 1-bit information.
  • the 1-bit information indicates that the terminal uses a CQI table whose maximum modulation mode is 64QAM, or a CQI table whose maximum modulation mode is 1024QAM.
  • the MCS table is configured according to the CQI table, and the MCS table corresponds to the CQI table one by one.
  • the terminal uses the MCS table with the maximum modulation mode of 64QAM
  • the high-level configuration signaling indicates that the terminal uses the maximum modulation mode of 1024QAM.
  • the terminal accordingly uses an MCS table whose maximum modulation mode is 1024QAM.
  • the high layer configuration signaling may be a CQI table indicating the terminal directly or indirectly.
  • the high layer configuration signaling may indicate other information to the terminal, but the other information indirectly corresponds to the CQI table of the terminal.
  • FIG. 2 is a schematic structural diagram of a device for configuring channel quality indication information according to an embodiment of the present invention.
  • the configuration device includes a memory 20 and a processor 22;
  • the memory 20 stores a configuration computer program of channel quality indication information, and the processor 22 executes the program to implement a method for configuring channel quality indication information in the embodiment of the present invention.
  • a PQ table is selected from the pre-configured CQI table according to the terminal type of the terminal, and a CQI table is indicated from the P CQI tables to the terminal, so that the signaling overhead can be effectively reduced.
  • channel quality indication information can be configured for different types of terminals, and the stability of data transmission is guaranteed.
  • the device for configuring channel quality indication information in the embodiment of the present invention includes a device at a transmitting end such as a base station, a terminal, a relay, and a transmitting point.
  • the processor executes the program to implement the following steps:
  • P CQI tables are selected from preset pre-configured CQI tables; wherein P is 2 or an integer greater than 2.
  • a CQI table is indicated from the selected P CQI tables to the terminal.
  • the indicating a CQI table from the selected 2 CQI tables to the terminal includes:
  • the selecting before selecting two CQI tables from the pre-configured channel quality indication CQI table according to the terminal type of the terminal, includes:
  • the selected two CQI tables include at least a first CQI table, and the maximum modulation mode of the first CQI table is 64 quadrature amplitude modulation QAM.
  • the selected two CQI tables include at least a second CQI table, and the maximum modulation mode of the second CQI table is a maximum modulation mode supported by the terminal or a maximum supported by the transmitting end. Modulation.
  • the maximum modulation mode corresponding to the terminal type and the maximum modulation mode supported by the transmitting end the smaller one is the maximum modulation mode of the second CQI table.
  • the pre-configured channel quality indication CQI table number K is an integer not less than 3, and the high layer configuration signaling is 1-bit information.
  • the high-level configuration signaling is used to indicate a CQI table to the terminal, including:
  • the high-level configuration signaling is used to indicate a CQI table with a maximum modulation mode of 64QAM or a CQI table with a maximum modulation mode of 1024QAM to the terminal.
  • the embodiment of the present invention provides a computer readable storage medium, where the storage medium stores a channel quality indication information, and the program is executed by at least one processor to implement channel quality indication information according to an embodiment of the present invention. Configuration method.
  • the computer readable storage medium in the embodiment of the present invention may be a random access memory (RAM), a flash memory, a read-only memory (ROM), or an electrically programmable read-only memory (EPROM). -Only-Memory), Electrically Erasable Programmable Read Only Memory (EEPROM), Register, Hard Disk, Mobile Hard Disk, CD-ROM, or any other form of storage medium known in the art.
  • a storage medium can be coupled to the processor to enable the processor to read information from, and write information to, the storage medium; or the storage medium can be an integral part of the processor.
  • the processor and the storage medium may be located in an application specific integrated circuit.

Abstract

L'invention concerne un procédé et un dispositif de configuration d'informations d'indicateur de qualité de canal (CQI), et un support de stockage. Le procédé comporte les étapes consistant à: sélectionner, selon le type de terminal d'un terminal, P tables de CQI parmi des tables de CQI préconfigurées; et indiquer une des P tables de CQI au terminal.
PCT/CN2018/095392 2017-09-29 2018-07-12 Procédé et dispositif de configuration d'informations d'indicateur de qualité de canal, et support de stockage WO2019062276A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710904264.3A CN109586841A (zh) 2017-09-29 2017-09-29 信道质量指示信息的配置方法、相应设备及存储介质
CN201710904264.3 2017-09-29

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WO2019062276A1 true WO2019062276A1 (fr) 2019-04-04

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103746776A (zh) * 2014-01-24 2014-04-23 宇龙计算机通信科技(深圳)有限公司 数据传输方法、数据传输装置和基站
WO2014110467A1 (fr) * 2013-01-11 2014-07-17 Interdigital Patent Holdings, Inc. Système et procédé de modulation adaptative
WO2015034151A1 (fr) * 2013-09-03 2015-03-12 Samsung Electronics Co., Ltd. Procédé de transmission de liaison descendante et équipement terminal d'utilisateur
CN104468027A (zh) * 2013-09-25 2015-03-25 株式会社日立制作所 支持基于高阶调制的数据传输的基站装置及数据通信方法
WO2017050273A1 (fr) * 2015-09-25 2017-03-30 中兴通讯股份有限公司 Procédé de réception d'informations de cqi, procédé d'envoi, dispositif de réception et dispositif d'envoi

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014110467A1 (fr) * 2013-01-11 2014-07-17 Interdigital Patent Holdings, Inc. Système et procédé de modulation adaptative
WO2015034151A1 (fr) * 2013-09-03 2015-03-12 Samsung Electronics Co., Ltd. Procédé de transmission de liaison descendante et équipement terminal d'utilisateur
CN104468027A (zh) * 2013-09-25 2015-03-25 株式会社日立制作所 支持基于高阶调制的数据传输的基站装置及数据通信方法
CN103746776A (zh) * 2014-01-24 2014-04-23 宇龙计算机通信科技(深圳)有限公司 数据传输方法、数据传输装置和基站
WO2017050273A1 (fr) * 2015-09-25 2017-03-30 中兴通讯股份有限公司 Procédé de réception d'informations de cqi, procédé d'envoi, dispositif de réception et dispositif d'envoi

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