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WO2018121154A1 - Configuration de mini-fente, procédé d'utilisation et terminal intelligent - Google Patents

Configuration de mini-fente, procédé d'utilisation et terminal intelligent Download PDF

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Publication number
WO2018121154A1
WO2018121154A1 PCT/CN2017/113114 CN2017113114W WO2018121154A1 WO 2018121154 A1 WO2018121154 A1 WO 2018121154A1 CN 2017113114 W CN2017113114 W CN 2017113114W WO 2018121154 A1 WO2018121154 A1 WO 2018121154A1
Authority
WO
WIPO (PCT)
Prior art keywords
mini
slot
smart terminal
epdcch
pdcch
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.)
Ceased
Application number
PCT/CN2017/113114
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English (en)
Chinese (zh)
Inventor
邓一伟
李明菊
朱亚军
张云飞
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.)
Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Original Assignee
Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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 Yulong Computer Telecommunication Scientific Shenzhen Co Ltd filed Critical Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
Publication of WO2018121154A1 publication Critical patent/WO2018121154A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H04W72/20—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

  • the present invention relates to the field of communications, and in particular, to a mini-slot configuration and usage method, and an intelligent terminal.
  • the fifth generation technology needs to support ultra-high data transmission rates, massive number of connections and low data transmission delays to meet the needs of different scenarios.
  • the main scenarios of 5G communication in the future include the following three types: Enhanced Mobile Broad Band (eMBB), Massive Machine Type Communications (mMTC) and High Reliability Low Delay (English: Ultra) -Reliable and Low Latency Communications, URLLC).
  • eMBB an enhanced mobile broadband service
  • mMTC service a large number of machine-type communication, mainly for a large number of connected business scenarios.
  • URLLC high-reliability and low-latency services are mainly used for time delay requirements and high reliability business scenarios.
  • the prior art cannot further reduce the delay of the URLLC service.
  • the embodiment of the invention discloses a mini-slot configuration and use method and an intelligent terminal, which can configure and use a mini-slot, thereby reducing the delay.
  • a first aspect of the embodiments of the present invention discloses a mini-slot configuration and a method for using the same.
  • the method includes the following steps:
  • the smart terminal receives the starting position and length information of the mini-slot mini-slot configured by the base station;
  • the intelligent terminal monitors a physical downlink control channel PDCCH or ePDCCH of the mini-slot;
  • the smart terminal After the smart terminal monitors the control information belonging to the smart terminal according to the PDCCH or the ePDCCH, the smart terminal uses the mini-slot to send and receive data according to the start position and length information of the mini-slot.
  • the PDCCH or the ePDCCH includes: scheduling information of one mini-slot or scheduling information of multiple mini-slots.
  • the smart terminal monitors the physical downlink control channel PDCCH or ePDCCH of the mini-slot, including:
  • the smart terminal receives the notification message of the base station, where the notification message includes: the number and location of the mini-slots that the smart terminal needs to monitor, and the smart terminal monitors the PDCCH or ePDCCH of the mini-slot corresponding to the location.
  • the number of starting positions of the mini-slot is N.
  • the N is smaller
  • an intelligent terminal is provided, where the smart terminal includes:
  • a transceiver unit configured to receive a start position and length information of a mini-slot mini-slot configured by the base station;
  • a monitoring unit configured to monitor a physical downlink control channel PDCCH or ePDCCH of the mini-slot;
  • the transceiver unit is further configured to use the mini-slot to send and receive data according to the start position and length information of the mini-slot when the monitoring unit monitors the control information belonging to the smart terminal according to the PDCCH or the ePDCCH.
  • the PDCCH or the ePDCCH includes: scheduling information of one mini-slot or scheduling information of multiple mini-slots.
  • the transceiver unit is further configured to receive a notification message of the base station, where the notification message includes: a quantity and a location of a mini-slot that the smart terminal needs to monitor;
  • the monitoring unit is specifically configured to monitor a PDCCH or an Epdcch of the mini-slot corresponding to the location.
  • the number of starting positions of the mini-slot is N.
  • the N is smaller
  • the user equipment acquires the grouping of the user equipment by the base station, and each group has a corresponding starting position N, where the N is an integer greater than or equal to 1.
  • the user equipment of the technical solution provided by the present invention receives the start position and length information of the mini-slot configured by the base station, and then monitors the PDCCH or the ePDCCH to obtain the control information of the PDCCH or the ePDCCH, and then uses the location and length information of the mini-slot according to the information.
  • the mini-slot transmits and receives data, so it can configure the mini-slot and let the user equipment use the mini-slot to transfer data according to the configuration of the base station, thereby reducing the delay.
  • FIG. 1 is a schematic flowchart diagram of a mini-slot configuration and a usage method according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a mini slot and a time slot disclosed in an embodiment of the present invention
  • FIG. 3 is a schematic flow chart of another mini-slot configuration and usage method disclosed in an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of an intelligent terminal according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of another terminal according to an embodiment of the present invention.
  • Computer equipment also known as “computer” means that it can be scheduled to run through An intelligent electronic device that executes a predetermined process, such as numerical calculations and/or logic calculations, that may include a processor and a memory, the processor executing a surviving instruction pre-stored in the memory to perform a predetermined process, or by an ASIC
  • a predetermined process such as numerical calculations and/or logic calculations
  • the hardware such as FPGA or DSP performs a predetermined processing process or is implemented by a combination of the two.
  • Computer devices include, but are not limited to, servers, personal computers, notebook computers, tablets, smart phones, and the like.
  • FIG. 1 is a schematic flowchart diagram of a configuration and a usage method of a mini-slot according to an embodiment of the present invention. As shown in FIG. 1 , the method is performed by an intelligent terminal. The structure comparison between the mini-slot and the slot is as shown in FIG. 2 . The method is as shown in FIG. 1 , and includes the following steps:
  • Step S101 The smart terminal receives a start position and length information of a mini-slot configured by the base station.
  • the start position and length information of the mini-slot may be carried in Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • the start position and length information of the mini-slot may also pass.
  • the other signaling indicates that the length information of the mini-slot can be carried by the downlink control information (Downlink Control Information, DCI) in the PDCCH.
  • DCI Downlink Control Information
  • the above starting position may be without limitation.
  • the multiple possible transmission positions of the terminal do not overlap.
  • the length of the slot is 14 symbols
  • the length of the mini-slot is 2 symbols, and there are 7 possible starting positions;
  • the sending positions can overlap, so the possible starting positions of the mini-slot are N-n+1 (N represents the number of symbols in one slot, and n represents the length of the mini-slot).
  • Step S102 The intelligent terminal monitors a physical downlink control channel (English: Physical Downlink Control Channel, PDCCH) or ePDCCH of the mini-slot.
  • a physical downlink control channel English: Physical Downlink Control Channel, PDCCH
  • ePDCCH ePDCCH of the mini-slot.
  • the foregoing PDCCH or ePDCCH includes one mini-slot scheduling information or multiple mini-slot scheduling information.
  • the above plurality of mini-slots can also be aggregated mini-slots.
  • the N mini-slots may be controlled by one PDCCH or ePDCCH, and the user listens to one PDCCH or ePDCCH to obtain control information and then uses N mini-slots. For example, there are three mini-slots with a length of two symbols in a slot. You can use the mini-slot aggregation method for data transmission. You can aggregate three mini-slots for data transmission. For the three mini-slots that are aggregated, Only one PDCCH or ePDCCH is needed for indication.
  • the user equipment selects a part of the mini-slot PDCCH or ePDCCH. Listening, for example, only listens to one or two mini-slot PDCCHs or ePDCCHs.
  • Step S103 After the smart terminal monitors the control information belonging to the smart terminal according to the PDCCH or the ePDCCH, the smart terminal uses the mini-slot to send and receive data according to the start position and length information of the mini-slot.
  • the user equipment of the technical solution provided by the present invention receives the start position and length information of the mini-slot configured by the base station, and then monitors the PDCCH or the ePDCCH to obtain the control information of the PDCCH or the ePDCCH, and then uses the location and length information of the mini-slot according to the information.
  • the mini-slot transmits and receives data, so it can configure the mini-slot and let the user equipment use the mini-slot to transfer data according to the configuration of the base station, thereby reducing the delay.
  • FIG. 3 is a schematic flowchart diagram of a configuration and a usage method of a mini-slot according to an embodiment of the present invention. As shown in FIG. 3, the method is performed by an intelligent terminal. The structure comparison between the mini-slot and the slot is as shown in FIG. 2. The method is as shown in FIG. 3, and includes the following steps:
  • Step S301 The smart terminal receives a start position and length information of a mini-slot that is semi-statically notified by the base station through RRC signaling.
  • the starting position of the Mini-slot in the above step S301 can be limited.
  • the starting position of the N Mini-slots can be set in a slot according to requirements, and the value of N can be configured.
  • the mini-slot whose starting position is at the beginning of the slot can be used for the URLLC service
  • the mini-slot whose starting position is in the middle of the slot can be used for the URLLC service or can be used after the device is occupied by the channel in the unlicensed band.
  • the remaining slot resources are examples of the slot resources.
  • the limitation of the starting position of the above mini-slot may be related to the subcarrier.
  • the starting position limit of the above Mini-slot may be related to the delay requirement of the service. For example, users with high latency requirements can set the number of starting positions of the mini-slot accordingly. For users with low latency requirements, the number of starting positions of the mini-slot can be set less.
  • the starting position limit of the above Mini-slot may be user based.
  • any symbol in the slot can be the starting position of the mini-slot, but for a certain user, there are only a limited number of starting positions, so that different users can be in the time domain. Separate areas to prevent collisions while ensuring time delays.
  • the starting position of the above Mini-slot should also distinguish between uplink and downlink.
  • the downlink process should limit the number of starting positions of the mini-slot to reduce the number of times the user monitors the PDCCH or ePDCCH.
  • the uplink uses UL-grant free (Free uplink scheduling authorization) transmission, the user can be divided into i groups (i configurable), each group corresponding to one or more starting position values, thus separating the user from the time domain to prevent collision; if it is uplink Grant based, then the sending location is obtained according to the interception control information.
  • Step S302 The intelligent terminal monitors a physical downlink control channel (English: Physical Downlink Control Channel, PDCCH) or ePDCCH of the mini-slot.
  • a physical downlink control channel English: Physical Downlink Control Channel, PDCCH
  • ePDCCH ePDCCH of the mini-slot.
  • the foregoing PDCCH or ePDCCH includes one mini-slot scheduling information or multiple mini-slot scheduling information.
  • the above plurality of mini-slots can also be aggregated mini-slots.
  • the N mini-slots may be controlled by one PDCCH or ePDCCH, and the user listens to one PDCCH or ePDCCH to obtain control information and then uses N mini-slots. For example, there are three mini-slots with a length of two symbols in a slot. You can use the mini-slot aggregation method for data transmission. You can aggregate three mini-slots for data transmission. For the three mini-slots that are aggregated, Only one PDCCH or ePDCCH is needed for indication.
  • the user equipment selects a part of the mini-slot PDCCH or ePDCCH. Listening, for example, only listens to one or two mini-slot PDCCHs or ePDCCHs.
  • Step S303 After the smart terminal monitors the control information of the smart terminal according to the PDCCH or the ePDCCH, the smart terminal uses the mini-slot to send and receive data according to the start position and length information of the mini-slot.
  • the user equipment of the technical solution provided by the present invention receives the starting position of the mini-slot configured by the base station. And the length information, and then monitoring the PDCCH or ePDCCH to know the control information belonging to itself, and using the mini-slot to send and receive data according to the start position and length information of the mini-slot, so that the mini-slot can be configured and the user is allowed
  • the device uses the mini-slot to transfer data according to the configuration of the base station, thereby reducing the delay.
  • FIG. 4 provides a smart terminal 40, where the smart terminal includes:
  • the transceiver unit 401 is configured to receive a start position and length information of a mini-slot mini-slot configured by the base station;
  • the monitoring unit 402 is configured to monitor a physical downlink control channel PDCCH or ePDCCH of the mini-slot;
  • the transceiver unit 401 is further configured to use the mini-slot to send and receive data according to the start position and length information of the mini-slot when the monitoring unit monitors the control information belonging to the smart terminal according to the PDCCH or the ePDCCH.
  • the PDCCH or the ePDCCH includes: scheduling information of one mini-slot or scheduling information of multiple mini-slots.
  • the transceiver unit is further configured to receive a notification message of the base station, where the notification message includes: a quantity and a location of a mini-slot that the smart terminal needs to monitor;
  • the monitoring unit is specifically configured to monitor a PDCCH or an ePDCCH of the mini-slot corresponding to the location.
  • the number of starting positions of the mini-slot is N.
  • the N is smaller
  • FIG. 5 is a schematic structural diagram of a terminal provided by the present application.
  • the terminal 500 includes at least one processor 501, at least one memory 502, and at least one communication interface 503.
  • the processor 501, the memory 502, and the communication interface 503 are connected by the communication bus and complete communication with each other.
  • the processor 501 can be a general purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of the above program.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • the communication interface 503 is configured to communicate with other devices or communication networks, such as Ethernet, Radio Access Network (RAN), Wireless Local Area Networks (WLAN), and the like.
  • RAN Radio Access Network
  • WLAN Wireless Local Area Networks
  • the memory 502 can be a read-only memory (ROM) or other type of static storage device that can store static information and instructions, a random access memory (RAM) or other type that can store information and instructions.
  • the dynamic storage device can also be an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Compact Disc Read-Only Memory (CD-ROM) or other optical disc storage, and a disc storage device. (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program code in the form of instructions or data structures and can be Any other media accessed, but not limited to this.
  • the memory can exist independently and be connected to the processor via a bus.
  • the memory can also be integrated with the processor.
  • the memory 502 is configured to store application code for executing the above solution, and is controlled by the processor 501 for execution.
  • the processor 501 is configured to execute application code stored in the memory 502.
  • the code stored by the memory 502 can perform the steps of the method as shown in FIG. 1 or as shown in FIG. 3 as well as the refinement scheme.
  • the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium may store a program, where the program includes some or all of the configuration and usage methods of any one of the mini-slots described in the foregoing method embodiments. step.
  • the disclosed device may be It's way to achieve it.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical or otherwise.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a memory. A number of instructions are included to cause a computer device (which may be a personal computer, server or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing memory includes: a U disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and the like, which can store program codes.
  • ROM Read-Only Memory
  • RAM Random Access Memory

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

Abstract

Selon des modes de réalisation, l'invention concerne une configuration de mini-fente, un procédé d'utilisation et un terminal intelligent. Le procédé comprend les étapes suivantes : le terminal intelligent reçoit une position de départ et des informations de longueur d'une mini-fente configurée par un point d'accès ; le terminal intelligent surveille un canal physique de contrôle descendant (PDCCH) ou un ePDCCH de la mini-fente ; et après la surveillance d'informations de contrôle appartenant au terminal intelligent selon le PDCCH ou l'ePDCCH, le terminal intelligent utilise la mini-fente pour envoyer et recevoir des données en fonction de la position de départ et des informations de longueur de la mini-fente. La solution technique fournie par la présente invention présente l'avantage de réduire le retard.
PCT/CN2017/113114 2016-12-30 2017-11-27 Configuration de mini-fente, procédé d'utilisation et terminal intelligent Ceased WO2018121154A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611265197.7A CN106793123B (zh) 2016-12-30 2016-12-30 一种迷你时隙配置及使用方法及智能终端
CN201611265197.7 2016-12-30

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WO2018121154A1 true WO2018121154A1 (fr) 2018-07-05

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CN106793123B (zh) * 2016-12-30 2020-07-03 宇龙计算机通信科技(深圳)有限公司 一种迷你时隙配置及使用方法及智能终端
WO2019028685A1 (fr) * 2017-08-08 2019-02-14 华为技术有限公司 Procédé de surveillance d'informations de commande de liaison descendante, terminal et station de base
WO2019028796A1 (fr) 2017-08-10 2019-02-14 华为技术有限公司 Procédé et dispositif d'indication de ressource
GB2565344B (en) * 2017-08-11 2022-05-04 Tcl Communication Ltd Slot aggregation
GB2565348B (en) * 2017-08-11 2022-05-18 Tcl Communication Ltd Slot bundling
JPWO2019138512A1 (ja) * 2018-01-11 2020-12-24 富士通株式会社 基地局装置、端末装置、通信システム及び送信方法
KR102521176B1 (ko) * 2019-06-28 2023-04-13 한국전자통신연구원 동기식 무선 분산 통신 시스템에서 톤 신호 수신 방법 및 장치

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