WO2020006687A1 - Informations de commande de liaison montante unifiées pour une transmission en liaison montante avec autorisation configurée - Google Patents

Informations de commande de liaison montante unifiées pour une transmission en liaison montante avec autorisation configurée Download PDF

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Publication number
WO2020006687A1
WO2020006687A1 PCT/CN2018/094339 CN2018094339W WO2020006687A1 WO 2020006687 A1 WO2020006687 A1 WO 2020006687A1 CN 2018094339 W CN2018094339 W CN 2018094339W WO 2020006687 A1 WO2020006687 A1 WO 2020006687A1
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WO
WIPO (PCT)
Prior art keywords
uci
urllc
embb
transmission
control information
Prior art date
Application number
PCT/CN2018/094339
Other languages
English (en)
Inventor
Tao Tao
Jianguo Liu
Zhe LUO
Yan Meng
Zhuo WU
Gang Shen
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 CN201880095255.7A priority Critical patent/CN112369097A/zh
Priority to PCT/CN2018/094339 priority patent/WO2020006687A1/fr
Publication of WO2020006687A1 publication Critical patent/WO2020006687A1/fr

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    • 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
    • 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
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows

Definitions

  • Certain embodiments may relate to communication systems. For example, some embodiments may relate to configured grant uplink control information.
  • NR new radio
  • CG configured grant
  • URLLC ultra-reliable low latency communication
  • PUSCH physical uplink shared channel
  • Both enhanced mobile broadband (eMBB) and URLLC traffic may be transmitted via UL transmission with configured grants in unlicensed spectrum.
  • a network entity may configure separate resource pools for eMBB and URLLC, such as by introducing logic channel priority (LCP) restrictions for resource allocation.
  • LCP logic channel priority
  • network resources may be wasted by restricting and prohibiting how user equipment utilizes configured resources, namely, eMBB and URLLC.
  • FIG. 1 shows an example of a URLLC transmission block (TB) and an eMBB TB multiplexed into a single slot.
  • each TB may need to be associated with configured grant uplink control information (CG-UCI) to indicate various data, such as hybrid automatic repeat request (HARQ) process identification, resource block (RB) , and new data indicator (NDI) .
  • CG-UCI configured grant uplink control information
  • HARQ hybrid automatic repeat request
  • RB resource block
  • NDI new data indicator
  • FIG. 1 two CG-UCIs may exist in each slot, where one slot is used for eMBB TB, and the other slot is used for URLLC TB.
  • transmission of two separate UCIs in one slot is extremely inefficient.
  • transmitting two separate CG-UCI results in unreliable transmission performance, especially for CG-UCI associated with eMBB TB.
  • a method may include generating, by user equipment, one or more of at least one configured grant (CG) enhanced mobile broadband (eMBB) transmission block (TB) and at least one unified CG uplink control information (U-CG-UCI) .
  • the method may further include mapping, by the user equipment, one or more of the at least one CG eMBB and at least one U-CG-UCI to at least one resource configured by a network entity.
  • the method may further include transmitting, by the user equipment, the U-CG-UCI to at least one network entity.
  • an apparatus may include means for generating one or more of at least one configured grant (CG) enhanced mobile broadband (eMBB) transmission block (TB) and at least one unified CG uplink control information (U-CG-UCI) .
  • the apparatus may further include means for mapping one or more of the at least one CG eMBB and at least one U-CG-UCI to at least one resource configured by a network entity.
  • the apparatus may further include means for transmitting the U-CG-UCI to at least one network entity.
  • an apparatus may include at least one processor and at least one memory including computer program code.
  • the at least one memory and the computer program code can be configured to, with the at least one processor, cause the apparatus to at least generate one or more of at least one configured grant (CG) enhanced mobile broadband (eMBB) transmission block (TB) and at least one unified CG uplink control information (U-CG-UCI) .
  • the at least one memory and the computer program code can be further configured to, with the at least one processor, cause the apparatus to at least map one or more of the at least one CG eMBB and at least one U-CG-UCI to at least one resource configured by a network entity.
  • the at least one memory and the computer program code can be further configured to, with the at least one processor, cause the apparatus to at least transmit the U-CG-UCI to at least one network entity.
  • a non-transitory computer readable medium can be encoded with instructions that may, when executed in hardware, perform a method.
  • the method may generate one or more of at least one configured grant (CG) enhanced mobile broadband (eMBB) transmission block (TB) and at least one unified CG uplink control information (U-CG-UCI) .
  • the method may further map one or more of the at least one CG eMBB and at least one U-CG-UCI to at least one resource configured by a network entity.
  • the method may further transmit the U-CG-UCI to at least one network entity.
  • a computer program product may perform a method.
  • the method may generate one or more of at least one configured grant (CG) enhanced mobile broadband (eMBB) transmission block (TB) and at least one unified CG uplink control information (U-CG-UCI) .
  • the method may further map one or more of the at least one CG eMBB and at least one U-CG-UCI to at least one resource configured by a network entity.
  • the method may further transmit the U-CG-UCI to at least one network entity.
  • an apparatus may include circuitry configured to generate one or more of at least one configured grant (CG) enhanced mobile broadband (eMBB) transmission block (TB) and at least one unified CG uplink control information (U-CG-UCI) .
  • the circuitry may further map one or more of the at least one CG eMBB and at least one U-CG-UCI to at least one resource configured by a network entity.
  • the circuitry may further transmit the U-CG-UCI to at least one network entity.
  • a method may include receiving, by a network entity, at least one unified CG uplink control information (U-CG-UCI) associated with uplink control information.
  • the method may further include decoding, by the network entity, the at least one U-CG-UCI in one or more pre-configured locations.
  • the method may further include receiving, by the network entity, at least one ultra-reliable low latency communication (URLLC) .
  • the method may further include decoding, by the network entity, the at least one URLLC based upon the uplink control information.
  • U-CG-UCI unified CG uplink control information
  • URLLC ultra-reliable low latency communication
  • an apparatus may include means for receiving at least one unified CG uplink control information (U-CG-UCI) associated with uplink control information.
  • the apparatus may further include means for decoding the at least one U-CG-UCI in one or more pre-configured locations.
  • the apparatus may further include means for receiving at least one ultra-reliable low latency communication (URLLC) .
  • the apparatus may further include means for decoding the at least one URLLC based upon the uplink control information.
  • U-CG-UCI unified CG uplink control information
  • URLLC ultra-reliable low latency communication
  • an apparatus may include at least one processor and at least one memory including computer program code.
  • the at least one memory and the computer program code can be configured to, with the at least one processor, cause the apparatus to at least receive at least one unified CG uplink control information (U-CG-UCI) associated with uplink control information.
  • U-CG-UCI unified CG uplink control information
  • the at least one memory and the computer program code can be further configured to, with the at least one processor, cause the apparatus to at least decode the at least one U-CG-UCI in one or more pre-configured locations.
  • the at least one memory and the computer program code can be further configured to, with the at least one processor, cause the apparatus to at least receive at least one ultra-reliable low latency communication (URLLC) .
  • the at least one memory and the computer program code can be further configured to, with the at least one processor, cause the apparatus to at least decode the at least one URLLC based upon the uplink control information.
  • URLLC ultra-reliable low latency communication
  • a non-transitory computer readable medium can be encoded with instructions that may, when executed in hardware, perform a method.
  • the method may receive at least one unified CG uplink control information (U-CG-UCI) associated with uplink control information.
  • the method may further decode the at least one U-CG-UCI in one or more pre-configured locations.
  • the method may further receive at least one ultra-reliable low latency communication (URLLC) .
  • URLLC ultra-reliable low latency communication
  • the method may further decode the at least one URLLC based upon the uplink control information.
  • a computer program product may perform a method.
  • the method may receive at least one unified CG uplink control information (U-CG-UCI) associated with uplink control information.
  • the method may further decode the at least one U-CG-UCI in one or more pre-configured locations.
  • the method may further receive at least one ultra-reliable low latency communication (URLLC) .
  • the method may further decode the at least one URLLC based upon the uplink control information.
  • U-CG-UCI unified CG uplink control information
  • URLLC ultra-reliable low latency communication
  • an apparatus may include circuitry configured to receive at least one unified CG uplink control information (U-CG-UCI) associated with uplink control information.
  • the circuitry may further decode the at least one U-CG-UCI in one or more pre-configured locations.
  • the circuitry may further receive at least one ultra-reliable low latency communication (URLLC) .
  • the circuitry may further decode the at least one URLLC based upon the uplink control information.
  • U-CG-UCI unified CG uplink control information
  • URLLC ultra-reliable low latency communication
  • FIG. 1 illustrates an example of intra-UE eMBB and URLLC multiplexing.
  • FIG. 2 illustrates an example of two-stage U-CG-UCI preparation.
  • FIG. 3 illustrates an example of eMBB and URLLC resource configuration in a CG slot.
  • FIG. 4 illustrates an example of eMBB and URLLC resource configuration in a CG slot.
  • FIG. 5 illustrates an example of a signaling diagram according to some embodiments.
  • FIG. 6 illustrates an example of a method performed by user equipment according to certain embodiments.
  • FIG. 7 illustrates an example of a method performed by a network entity according to certain embodiments.
  • FIG. 8 illustrates an example of a system according to certain embodiments.
  • Certain embodiments described herein may have various benefits and/or advantages. For example, some embodiments may minimize the signaling overhead associated with multiple types of transmission blocks multiplexing in the same configured grant resource. In addition, certain embodiments may improve the control signaling performance when transmission block puncturing occurs. Some embodiments provide multi-stage data preparation and one-shot transmission mechanism to facilitate U-CG-UCI transmission, while also reducing the resources required for decoding by a network entity. Certain embodiments are, therefore, directed to improvements in computer-related technology, specifically, by conserving network resources and reducing power consumption of network entities and/or user equipment located within the network.
  • Uplink control information may be associated with one type of TB transmitted in a UL configured grant resource, such as a slot.
  • the type of TB may be an eMBB, URLLC TB, and/or mMTC TB.
  • U-CG-UCI may contain two types of information: common information for multiple types of TBs, and TB type-specific information.
  • Common information may include channel access related information, ACK/NACK feedback for DL transmission, channel status indication (CSI) feedback, and/or scheduling requests.
  • TB type-specific information may include HARQ related information, such as HARQ process ID, RV, and/or NDI.
  • the content of U-CG-UCI may vary according to TB multiplexing situations in the CG resource. For example, signals indicating the TB multiplexing situation may be introduced in U-CG-UCI.
  • U-CG-UCI may contain uplink control information for more than one transmitted TB. Furthermore, user equipment may adapt the information in U-CG-UCI according to TB multiplexing situations in the configured grant resource.
  • the transmission scheme for U-CG-UCI may include multi-stage data preparation and one-shot transmission, detection, and decoding.
  • a UL resource such as a slot
  • user equipment may prepare the U-CG-UCI for the slot in multiple stages.
  • the data of U-CG-UCI may be prepared together with PUSCH data.
  • the data preparation timeline may be different for traffic types.
  • a multi-stage data preparation mechanism may be used for U-CG-UCI.
  • user equipment may prepare a first transmission TB, such as an eMBB TB, or TBs according to the traffic in the buffer and corresponding U-CG-UCI.
  • the U-CG-UCI may be mapped to a pre-defined location.
  • the pre-defined location may be in an overlapped resource configured for potential multiple TBs being transmitted.
  • the pre-defined location may be in the first few symbols of a configured grant slot.
  • the user equipment may prepare a new U-CG-UCI at the second time point. Specifically, user equipment may prepare the TB for a higher priority traffic.
  • the new U-CG-UCI may contain information required for old and new TBs, which may be transmitted in the same configured grant slot.
  • the new U-CG-UCI may also be located in the pre-defined location.
  • FIG. 2 illustrates such an example of a two-stage U-CG-UCI preparation mechanism.
  • user equipment may enter a third and subsequent stages for preparation of a new U-CG-UCI and corresponding new TB.
  • preparation of U-CG-UCI may occur in multiple stages, the actual transmission of U-CG-UCI may happen only once for a configured grant resource.
  • the network entity may detect and decode the U-CG-UCI only at a pre-configured location.
  • the configuration of U-CG-UCI may be pre-defined by the network, or may be indicated by RRC signaling from the network entity.
  • the configuration may also include the structure of U-CG-UCI, the location of U-CG-UCI transmission, and/or other parameters.
  • FIG. 3 illustrates an example of eMBB and URLLC resources being configured in a CG slot.
  • eMBB and URLLC traffic may be configured to be transmitted via UL transmission with a configured grant.
  • the configured UL CG resource may be used for both eMBB traffic and URLLC traffic.
  • the whole CG slot can be used for eMBB traffic transmission, whereas partial resource elements in the CG slot are valid for URLLC traffic transmission.
  • potential URLLC resources may be configured to be symbols.
  • FIG. 4 illustrates a U-CG-UCI that may be used in the case of more flexible CG URLLC resource allocation.
  • User equipment may use any of these slots to perform URLLC transmission.
  • FIG. 5 illustrates an example of a signaling diagram showing communications between user equipment (UE) 530 and network entity (NE) 540.
  • UE 530 may be similar to UE 810, as illustrated in FIG. 8.
  • NE 540 may be similar to NE 820, also illustrated in FIG. 8.
  • UE 530 may generate at least one CG eMBB TB and/or at least one U-CG-UCI.
  • UE 530 may map the at least one U-CG-UCI to a pre-configured resource. Additionally and/or alternatively, UE 530 may rate-match the eMBB TB.
  • UE 530 may receive URLLC traffic.
  • UE 530 may prepare at least one URLLC TB.
  • UE 530 may map the at least one URLLC TB to at least one URLLC resource in at least one CG slot.
  • UE 530 may use the URLLC TB to puncture at least one eMBB TB.
  • UE 530 may transmit at least one U-CG-UCI.
  • NE 540 may interpret control information for eMBB and/or URLLC.
  • NE 540 may decode at least one eMBB TB based upon control information.
  • NE 540 may monitor for reception of URLLC.
  • UE 530 may transmit URLLC to NE 540.
  • NE 540 may decode the at least one URLLC TB according to the received U-CG-UCI.
  • FIG. 6 illustrates an example of a method performed by user equipment according to certain embodiments.
  • user equipment may generate one or more of at least one CG eMBB TB and at least one U-CG-UCI.
  • the user equipment may map the at least one U-CG-UCI to at least one pre-configured resource, and rate-match the at least one eMBB TB.
  • the user equipment may receive URLLC traffic.
  • the user equipment may generate at least one URLLC TB.
  • the user equipment may map the at least one URLLC TB to at least one URLLC resource in at least one CG slot.
  • the user equipment may puncture the at least one eMBB with the at least one URLLC TB.
  • the user equipment may transmit at least one U-CG-UCI to at least one network entity.
  • FIG. 7 illustrates an example of a method performed by a network entity according to certain embodiments.
  • the network entity may receive at least one U-CG-UCI.
  • the network entity may interpret control information for eMBB and/or URLLC.
  • the network entity may decode at least one eMBB TB based upon the received control information.
  • the network entity may monitor for reception of at least one URLLC TB.
  • the network entity may receive at least one URLLC TB.
  • the network entity may decode the at least one received URLLC TB according to the U-CG-UCI.
  • FIG. 8 illustrates an example of a system according to certain embodiments.
  • a system may include multiple devices, such as, for example, user equipment 810 and/or network entity 820.
  • User equipment 810 may include one or more of a mobile device, such as a mobile phone, smart phone, personal digital assistant (PDA) , tablet, or portable media player, digital camera, pocket video camera, video game console, navigation unit, such as a global positioning system (GPS) device, desktop or laptop computer, single-location device, such as a sensor or smart meter, or any combination thereof.
  • a mobile device such as a mobile phone, smart phone, personal digital assistant (PDA) , tablet, or portable media player, digital camera, pocket video camera, video game console, navigation unit, such as a global positioning system (GPS) device, desktop or laptop computer, single-location device, such as a sensor or smart meter, or any combination thereof.
  • GPS global positioning system
  • Network entity 820 may be one or more of a base station, such as an evolved node B (eNB) or 5G or New Radio node B (gNB) , a serving gateway, a server, and/or any other access node or combination thereof.
  • a base station such as an evolved node B (eNB) or 5G or New Radio node B (gNB)
  • eNB evolved node B
  • gNB New Radio node B
  • serving gateway such as a packet data network
  • server such as a serving gateway, a server, and/or any other access node or combination thereof.
  • CBSD citizens broadband radio service device
  • processors 811 and 821 may be embodied by any computational or data processing device, such as a central processing unit (CPU) , application specific integrated circuit (ASIC) , or comparable device.
  • the processors may be implemented as a single controller, or a plurality of controllers or processors.
  • At least one memory may be provided in one or more of devices indicated at 812 and 822.
  • the memory may be fixed or removable.
  • the memory may include computer program instructions or computer code contained therein.
  • Memories 812 and 822 may independently be any suitable storage device, such as a non-transitory computer-readable medium.
  • a hard disk drive (HDD) , random access memory (RAM) , flash memory, or other suitable memory may be used.
  • the memories may be combined on a single integrated circuit as the processor, or may be separate from the one or more processors.
  • the computer program instructions stored in the memory and which may be processed by the processors may be any suitable form of computer program code, for example, a compiled or interpreted computer program written in any suitable programming language.
  • Memory may be removable or non-removable.
  • Processors 811 and 821 and memories 812 and 822 or a subset thereof may be configured to provide means corresponding to the various blocks of FIGS. 1-7.
  • the devices may also include positioning hardware, such as GPS or micro electrical mechanical system (MEMS) hardware, which may be used to determine a location of the device.
  • MEMS micro electrical mechanical system
  • Other sensors are also permitted and may be included to determine location, elevation, orientation, and so forth, such as barometers, compasses, and the like.
  • transceivers 813 and 823 may be provided, and one or more devices may also include at least one antenna, respectively illustrated as 814 and 824.
  • the device may have many antennas, such as an array of antennas configured for multiple input multiple output (MIMO) communications, or multiple antennas for multiple radio access technologies. Other configurations of these devices, for example, may be provided.
  • Transceivers 813 and 823 may be a transmitter, a receiver, or both a transmitter and a receiver, or a unit or device that may be configured both for transmission and reception.
  • a non-transitory computer-readable medium may be encoded with computer instructions that, when executed in hardware, perform a process such as one of the processes described herein. Alternatively, certain embodiments may be performed entirely in hardware.
  • an apparatus may include circuitry configured to perform any of the processes or functions illustrated in FIGS. 1-7.
  • circuitry may be hardware-only circuit implementations, such as analog and/or digital circuitry.
  • circuitry may be a combination of hardware circuits and software, such as a combination of analog and/or digital hardware circuit (s) with software or firmware, and/or any portions of hardware processor (s) with software (including digital signal processor (s) ) , software, and at least one memory that work together to cause an apparatus to perform various processes or functions.
  • circuitry may be hardware circuit (s) and or processor (s) , such as a microprocessor (s) or a portion of a microprocessor (s) , that include software, such as firmware for operation.
  • Software in circuitry may not be present when it is not needed for the operation of the hardware.

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  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de l'invention concernent un appareil comprenant au moins un processeur, et au moins une mémoire contenant un code de programme informatique. La ou les mémoires et le code de programme informatique sont configurés pour, avec le ou les processeurs, amener l'appareil à générer un ou plusieurs d'au moins un bloc de transmission (TB) à large bande mobile (eMBB) à autorisation configurée (CG) et au moins un élément d'informations de commande de liaison montante CG (U-CG-UCI) unifiées. L'appareil peut en outre mapper un ou plusieurs du ou des CG eMBB et au moins un élément U-CG-UCI sur au moins une ressource configurée par une entité réseau. L'appareil peut en outre transmettre l'élément U-CG-UCI à au moins une entité de réseau.
PCT/CN2018/094339 2018-07-03 2018-07-03 Informations de commande de liaison montante unifiées pour une transmission en liaison montante avec autorisation configurée WO2020006687A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880095255.7A CN112369097A (zh) 2018-07-03 2018-07-03 用于具有配置许可的上行链路传输的统一上行链路控制信息
PCT/CN2018/094339 WO2020006687A1 (fr) 2018-07-03 2018-07-03 Informations de commande de liaison montante unifiées pour une transmission en liaison montante avec autorisation configurée

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PCT/CN2018/094339 WO2020006687A1 (fr) 2018-07-03 2018-07-03 Informations de commande de liaison montante unifiées pour une transmission en liaison montante avec autorisation configurée

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WO2022021411A1 (fr) * 2020-07-31 2022-02-03 Oppo广东移动通信有限公司 Procédé et appareil de détermination de processus harq, dispositif et support
WO2022029273A1 (fr) * 2020-08-06 2022-02-10 Sony Group Corporation Informations de commande de liaison montante associées à des autorisations configurées
WO2022027585A1 (fr) * 2020-08-07 2022-02-10 Lenovo (Beijing) Limited Procédé et appareil d'accès à un canal
WO2022040969A1 (fr) * 2020-08-26 2022-03-03 Oppo广东移动通信有限公司 Procédé d'utilisation de ressources d'octroi configuré (cg), dispositif terminal et dispositif de réseau
WO2022063238A1 (fr) * 2020-09-28 2022-03-31 维沃移动通信有限公司 Procédé et dispositif de détermination d'informations de transmission, et terminal
WO2022240325A1 (fr) * 2021-05-11 2022-11-17 Telefonaktiebolaget Lm Ericsson (Publ) Attribution préconfigurée avec de multiples types de trafic
WO2022261583A1 (fr) * 2021-06-09 2022-12-15 Qualcomm Incorporated Procédés et appareil pour configurer des blocs de transport multiplexés par répartition dans le temps intra-créneaux
WO2023280032A1 (fr) * 2021-07-05 2023-01-12 索尼集团公司 Dispositif électronique destiné à être utilisé dans un système de communication sans fil, procédé et support de stockage

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