WO2017193395A1 - Procédé de transmission de données de liaison montante, dispositif terminal et dispositif côté réseau - Google Patents

Procédé de transmission de données de liaison montante, dispositif terminal et dispositif côté réseau Download PDF

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Publication number
WO2017193395A1
WO2017193395A1 PCT/CN2016/082117 CN2016082117W WO2017193395A1 WO 2017193395 A1 WO2017193395 A1 WO 2017193395A1 CN 2016082117 W CN2016082117 W CN 2016082117W WO 2017193395 A1 WO2017193395 A1 WO 2017193395A1
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WO
WIPO (PCT)
Prior art keywords
resource
transmit power
time domain
physical channel
overlap
Prior art date
Application number
PCT/CN2016/082117
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English (en)
Chinese (zh)
Inventor
吴作敏
李超君
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2016/082117 priority Critical patent/WO2017193395A1/fr
Publication of WO2017193395A1 publication Critical patent/WO2017193395A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading

Definitions

  • the uplink data includes the first physical channel and the second physical channel, and the uplink data is further included in the second Transmitting, by the resource, a second DMRS for demodulating the first physical channel, the terminal device sending, according to the location of the first resource, the second resource, and the third resource in the time domain, to the network side device
  • the uplink data includes: the terminal device sends the first physical channel and the first network channel to the network side device according to the location of the first resource, the second resource, and the third resource in a time domain. a second DMRS; the second physical channel is sent to the network side device on the third resource.
  • the network side device may send corresponding signaling to the terminal device according to the location of the first resource, the second resource, and the third resource in the time domain, so that the terminal device performs uplink data transmission according to the signaling, It can avoid the meaningless transmission of uplink data and improve the utilization of resources.
  • the DMRS includes a first DMRS that is transmitted by using the first resource and configured to demodulate the first physical channel
  • the uplink data further includes a second physical channel that is transmitted by using the third resource
  • the first resource and the second resource have no overlap in the time domain, and the first resource and the third resource have no overlap in the frequency domain, and the second resource and the third resource have no overlap in the frequency domain;
  • the third resource does not overlap with the first resource in the time domain, the third resource does not overlap with the second resource in the time domain, and the third resource is in the time domain between the first resource and the second resource.
  • the DMRS includes a first DMRS that is used to demodulate the first physical channel and is transmitted by using the first resource, where the uplink data further includes a bearer transmitted by using the first resource or the second resource.
  • the information of the second physical channel, the first resource does not overlap with the second resource in the time domain; the network side device demodulates the first physical channel according to the DMRS, including: the network side device according to the first DMRS Demodulating the first physical channel.
  • the present invention describes various embodiments in connection with physical channels.
  • the physical channel is specifically used for the transmission of the data information and/or the control information.
  • the physical channel includes one or a combination of the following: a PUSCH (physical uplink shared channel), and a PUCCH (physical uplink control channel). Physical uplink control channel), PRACH (physical random access channel), etc., or newly introduced functions in the standard, but different names, such as control channels or data channels introduced in short TTI transmission. .
  • first physical channel and the second physical channel in the implementation of the present invention may be on the same carrier, and the first physical channel and the second physical channel may also be on different carriers.
  • the physical channel that can be demodulated by the corresponding DMRS may not be correctly demodulated by the corresponding DMRS.
  • the terminal device sends corresponding uplink data to the network side device according to the location of the first resource, the second resource, and the third resource in the time domain, where At least the following aspects are included:
  • the terminal device transmits the physical channel, so as to transmit the information carried by the physical channel, the terminal device may use the corresponding resource according to the location of the first resource, the second resource, and the third resource in the time domain.
  • the uplink data is sent to the network side device.
  • the S220-S230 in the method 200 may not be executed, and the following:
  • the terminal device sends the second DMRS and the first physical channel on the second resource, where the third resource is Sending a second physical channel;
  • FIG. 7 is still another example of a specific application scenario of a method for transmitting uplink data according to an embodiment of the present invention.
  • the terminal device may be located on the network side according to the location of the first resource, the second resource, and the third resource in the time domain. The device sends corresponding uplink data to avoid waste of resources.
  • the manner in which the terminal sends uplink data to the network side device according to the location of the three resources in the time domain may include at least the following:
  • the uplink data may include a first physical channel, a second physical channel, and the first DMRS.
  • the terminal device can eliminate the non-zero power disturbance by power control, so that the first physical channel can be demodulated by the first DMRS.
  • the manner of the power control may also include at least the following.
  • the S320 may include:
  • the uplink data may include a first physical channel, a second physical channel, and the first DMRS.
  • the terminal device can eliminate the non-zero power disturbance by power control, so that the first physical channel can be demodulated by the first DMRS.
  • the manner of the power control may also include at least the following.
  • the S420 may include: the terminal device may obtain a ratio of the first transmit power and the second transmit power, the first transmit power, and the third transmit The at least one of a ratio of the power, a ratio of the second transmit power, and the third transmit power, the terminal device may perform power control according to a corresponding ratio and a transmit power, to The first transmit power (or the second transmit power) is made the same as the third transmit power.
  • the terminal device may obtain a ratio of the first transmit power and the second transmit power, the first transmit power, and the third transmit The at least one of a ratio of the power, a ratio of the second transmit power, and the third transmit power, the terminal device may perform power control according to a corresponding ratio and a transmit power, to The first transmit power (or the second transmit power) is made the same as the third transmit power.
  • the description of the three ratios is not described here.
  • the network side device determines a first resource, a second resource, and a third resource, where the second resource is used to transmit a first physical channel, where the third resource is used to transmit a second physical channel, where the first resource is used to transmit Transmitting and demodulating the first demodulation reference signal DMRS of the first physical channel, the first resource and the second resource have no overlap in the time domain, and the first resource and the third resource have no overlap in the frequency domain, The second resource and the third resource have no overlap in the frequency domain;
  • the network side device sends signaling to the terminal device according to the location of the first resource, the second resource, and the third resource in the time domain, where the signaling is used to indicate the first resource and the second resource.
  • the third resource, the first transmit power on the first resource, the second transmit power on the second resource, the third transmit power on the third resource, the first transmit power, and the second transmit power a ratio, a ratio of the first transmit power and the third transmit power, whether the second data channel is included in the uplink data, whether the second DMRS is transmitted on the second resource, location information of the first DMRS, and At least one of the location information of the second DMRS.
  • the network side device needs to send corresponding signaling to the terminal device according to the location of the three resources in the time domain, so that after receiving the signaling, the terminal device according to the signaling Indicates the transmission of upstream data.
  • the network side device may determine, according to the location of the first resource, the second resource, and the third resource in the time domain, how to transmit the uplink data of the terminal device, for example, which channels are transmitted.
  • the network side determines the third The resource and the second resource overlap in the time domain, and the method S500 can include:
  • Determining the location information of the terminal device transmitting the information Determining the location information of the terminal device transmitting the information.
  • the DMRS includes a first DMRS for demodulating the first physical channel that is transmitted by using a first resource
  • the uplink data further includes a second physical channel that is transmitted by using a third resource, where the A resource and the second resource have no overlap in the time domain, the first resource and the third resource have no overlap in the frequency domain, and the second resource and the third resource have no overlap in the frequency domain;
  • the method and the first resource overlap in the time domain, or if the third resource and the second resource overlap in the time domain the method further includes: determining, by the network side device, the first transmit power on the first resource The ratio of the second transmit power on the second resource; the network side device demodulates the first physical channel according to the DMRS, including: the network side device according to the first DMRS and the first transmit power and the second transmit The ratio of power demodulates the first physical channel.
  • the network side device may first receive corresponding uplink data sent by the terminal device in the method 100 to the method 400.
  • the sending module 720 is specifically configured to send, according to the first resource, the second resource, and the location of the third resource in the time domain, the first transmit power to the network side device on the first resource.
  • a DMRS DMRS
  • the first physical channel is sent to the network side device by using the second transmit power on the second resource
  • the second physical channel is sent to the network side device by using the third transmit power on the third resource .
  • the uplink data includes the first physical channel, the second physical channel, and the first DMRS
  • the sending module 720 is specifically configured to: according to the location of the first resource, the second resource, and the third resource in a time domain Transmitting, by the first transmit power, the first DMRS to the network side device on the first resource, and sending the first physical channel to the network side device by using the second transmit power on the second resource;
  • the second physical channel is sent to the network side device by using the third transmit power.
  • the uplink data includes the first physical channel and the second physical channel, and the uplink data further includes a second DMRS,
  • the uplink data includes the first DMRS and the first physical channel, and the uplink data further includes information carried by the second physical channel, where
  • the processing module is specifically configured to demodulate the first physical channel according to the second DMRS.
  • the processor may obtain the first resource, the second resource, and the third resource, for example, may be obtained by using a transceiver or a memory, and the present invention is not limited herein.
  • the uplink data includes the first DMRS and the first physical channel, and the uplink data further includes information carried by the second physical channel, where
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 1120 or an instruction in a form of software.
  • Positioning method disclosed in connection with embodiment of the present invention The steps can be directly implemented as hardware processor execution or by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1130, and the processor 1120 reads the information in the memory 1130 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • FIG. 17 is a schematic diagram of a network side device 1200 according to still another embodiment of the present invention.
  • the terminal device 1200 includes a transceiver 1210, a bus system 1240, a memory 1230, and a processor 1220.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • 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 in an electrical, mechanical or other form.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used 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 storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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

Abstract

La présente invention concerne un procédé de transmission de données de liaison montante, un dispositif terminal et un dispositif côté réseau, qui peuvent éviter un envoi sans signification de données de liaison montante et améliorent le taux d'utilisation de ressources. Le procédé comprend les étapes suivantes : un dispositif terminal obtient une première ressource, une deuxième ressource pour la transmission d'un premier canal physique et une troisième ressource pour la transmission d'un second canal physique, la première ressource étant utilisée pour la transmission d'un premier signal de référence de démodulation (DMRS) pour démoduler le premier canal physique, la première ressource et la deuxième ressource ne se chevauchant pas dans un domaine temporel, la première ressource et la troisième ressource ne se chevauchant pas dans un domaine fréquentiel, et la deuxième ressource et la troisième ressource ne se chevauchant pas dans un domaine fréquentiel ; et le dispositif terminal envoie des données de liaison montante correspondantes au dispositif côté réseau selon les positions de la première ressource, de la deuxième ressource et de la troisième ressource dans le domaine temporel.
PCT/CN2016/082117 2016-05-13 2016-05-13 Procédé de transmission de données de liaison montante, dispositif terminal et dispositif côté réseau WO2017193395A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111698769A (zh) * 2018-01-12 2020-09-22 Oppo广东移动通信有限公司 数据发送方法、装置及系统
WO2024067352A1 (fr) * 2022-09-29 2024-04-04 华为技术有限公司 Procédé de communication et appareil de communication

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CN103220768A (zh) * 2012-01-21 2013-07-24 中兴通讯股份有限公司 一种载波聚合系统中上行信号功率削减方法及装置
CN103220794A (zh) * 2012-01-21 2013-07-24 中兴通讯股份有限公司 探测参考信号虚拟信令组的发送和选取方法及装置
CN103843433A (zh) * 2011-09-29 2014-06-04 华为技术有限公司 无线通信控制信道系统和方法
US20140295909A1 (en) * 2011-11-07 2014-10-02 Sharp Kabushiki Kaisha Terminal, base station, method, and integrated circuit

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CN103843433A (zh) * 2011-09-29 2014-06-04 华为技术有限公司 无线通信控制信道系统和方法
US20140295909A1 (en) * 2011-11-07 2014-10-02 Sharp Kabushiki Kaisha Terminal, base station, method, and integrated circuit
CN103220768A (zh) * 2012-01-21 2013-07-24 中兴通讯股份有限公司 一种载波聚合系统中上行信号功率削减方法及装置
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* Cited by examiner, † Cited by third party
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CN111698769A (zh) * 2018-01-12 2020-09-22 Oppo广东移动通信有限公司 数据发送方法、装置及系统
EP3713352A4 (fr) * 2018-01-12 2020-11-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Procédé et dispositif de transmission de données et système
AU2018401508B2 (en) * 2018-01-12 2021-03-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Data transmission method and device, and system
US11109327B2 (en) 2018-01-12 2021-08-31 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Data transmission method and device, and system
EP4027570A1 (fr) * 2018-01-12 2022-07-13 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Procédé, dispositif et système de transmission de données
TWI797233B (zh) * 2018-01-12 2023-04-01 大陸商Ｏｐｐｏ廣東移動通信有限公司 數據發送方法、裝置及系統
US11785560B2 (en) 2018-01-12 2023-10-10 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Data transmission method and device, and system
WO2024067352A1 (fr) * 2022-09-29 2024-04-04 华为技术有限公司 Procédé de communication et appareil de communication

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