WO2020087498A1 - Signal transmission method and apparatus - Google Patents

Signal transmission method and apparatus Download PDF

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WO2020087498A1
WO2020087498A1 PCT/CN2018/113677 CN2018113677W WO2020087498A1 WO 2020087498 A1 WO2020087498 A1 WO 2020087498A1 CN 2018113677 W CN2018113677 W CN 2018113677W WO 2020087498 A1 WO2020087498 A1 WO 2020087498A1
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trp
signal
information
ack
nack
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PCT/CN2018/113677
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French (fr)
Chinese (zh)
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孙欢
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上海诺基亚贝尔股份有限公司
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Priority to PCT/CN2018/113677 priority Critical patent/WO2020087498A1/en
Publication of WO2020087498A1 publication Critical patent/WO2020087498A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals

Abstract

Provided by the present invention are a signal transmission method and apparatus; the method comprises: receiving first information and second information sent by two TRPs respectively; according to a decoding result for the first information and second information, returning a first signal to one TRP according to a preset rule, the preset rule being used to instruct the TRP that has received the first signal to send a second signal to the other TRP according to the first signal. The present invention effectively avoids a UE individually sending ACK/NACK information to two TRPs, thereby reducing uplink overhead, and saving the transmission power of the UE.

Description

一种信号的传输方法及装置Signal transmission method and device 技术领域Technical field
本发明涉及一种信号的传输方法及装置,属于通信标准技术领域。The invention relates to a signal transmission method and device, belonging to the technical field of communication standards.
背景技术Background technique
在无线通信系统中,下行传输是指从基站发送信号到用户设备(UE),基站在物理下行共享信道(PDSCH)中传输下行数据,或者在物理下行控制信道(PDCCH)发送下行控制信息。上行传输是指从UE发送信号到基站,UE在物理上行共享信道(PUSCH)中传输上行数据,或者在物理上行控制信道(PUCCH)中发送上行控制信息。基站可以通过PDCCH来动态调度UE的PDSCH传输和PUSCH传输。In a wireless communication system, downlink transmission refers to sending a signal from a base station to a user equipment (UE), and the base station transmits downlink data in a physical downlink shared channel (PDSCH) or sends downlink control information in a physical downlink control channel (PDCCH). Uplink transmission refers to sending a signal from a UE to a base station, the UE transmits uplink data in a physical uplink shared channel (PUSCH), or sends uplink control information in a physical uplink control channel (PUCCH). The base station can dynamically schedule the PDSCH transmission and PUSCH transmission of the UE through the PDCCH.
基于3GPP标准,目前支持在相同频段上最多两个PDCCH独立调度各自的PDSCH向一个用户进行数据传输,如图1所示,假设有两个TRP联合向一个UE发送下行数据,第一TRP发送第一PDSCH传输信息给UE,第二TRP发送第二PDSCH传输信息给UE,UE通过特定算法对第一PDSCH传输信息和第二PDSCH传输信息进行解码,如果成功接收到PDSCH传输信息,则反馈ACK给对应的TRP,否则,反馈NACK给对应的TRP。TRP通过ACK/NACK来确定下一个下行链路传输时隙中的新数据传输或旧数据重传。这意味着UE需要同时向两个TRP单独发送ACK/NACK信息,这可能对HARQ进程和/或软缓冲区管理造成一定的压力,此外在上行链路中发送过多的ACK/NACK信息将增加上行链路开销,从而导致用户处理过程复杂化以及功率的浪费。Based on the 3GPP standard, up to two PDCCHs in the same frequency band are currently supported to independently schedule their PDSCHs to transmit data to a user. As shown in FIG. 1, suppose that two TRPs jointly send downlink data to a UE, and the first TRP sends the first One PDSCH transmission information to the UE, the second TRP sends the second PDSCH transmission information to the UE, the UE decodes the first PDSCH transmission information and the second PDSCH transmission information through a specific algorithm, and if the PDSCH transmission information is successfully received, an ACK is returned to Corresponding TRP, otherwise, NACK is fed back to the corresponding TRP. TRP uses ACK / NACK to determine new data transmission or old data retransmission in the next downlink transmission slot. This means that the UE needs to send ACK / NACK information to two TRPs at the same time, which may cause some pressure on HARQ process and / or soft buffer management. In addition, sending too much ACK / NACK information in the uplink will increase Uplink overhead, which complicates user processing and wastes power.
发明内容Summary of the invention
本发明解决的技术问题之一是如何减少上行链路开销。One of the technical problems solved by the present invention is how to reduce the uplink overhead.
根据本发明一方面的一个实施例,提供了一种信号的传输方法,其中,包括:According to an embodiment of one aspect of the present invention, a signal transmission method is provided, including:
分别接收两个TRP发送的第一信息和第二信息;Receive the first information and the second information sent by two TRPs respectively;
根据对所述第一信息和所述第二信息的解码结果按照预定规则返回第一信号给一个所述TRP,所述预定规则用于指示接收到所述第一信号的所述TRP根据所述第一信号发送第二信号给另一个所述TRP。Returning a first signal to one of the TRP according to a predetermined rule according to the decoding results of the first information and the second information, the predetermined rule is used to indicate that the TRP receiving the first signal according to the The first signal sends a second signal to another TRP.
根据本发明另一方面的一个实施例,提供了一种信号的传输方法,其中,包括:According to an embodiment of another aspect of the present invention, a signal transmission method is provided, including:
接收UE根据接收到的两个TRP发送的第一信息和第二信息的解码结果按照预定规则发送的第一信号;Receiving the first signal sent by the UE according to the decoding results of the received first information and second information sent by the two TRPs according to a predetermined rule;
根据所述第一信号按照预定规则发送第二信号给另一个所述TRP。According to the first signal, a second signal is sent to another TRP according to a predetermined rule.
根据本发明一方面的一个实施例,提供了一种用于信号传输的用户设备,其中,包括:According to an embodiment of an aspect of the present invention, a user equipment for signal transmission is provided, including:
用于分别接收两个TRP发送的第一信息和第二信息的装置;Means for respectively receiving the first information and the second information sent by two TRPs;
用于根据对所述第一信息和所述第二信息的解码结果按照预定规则返回第一信号给一个所述TRP,所述预定规则用于指示接收到所述第一信号的所述TRP根据所述第一信号发送第二信号给另一个所述TRP的装置。It is used to return a first signal to one TRP according to a predetermined rule according to the decoding results of the first information and the second information, and the predetermined rule is used to indicate that the TRP receiving the first signal is based on The first signal sends a second signal to another device of the TRP.
根据本发明另一方面的一个实施例,提供了用于信号传输的基站,其中,包括:According to an embodiment of another aspect of the present invention, a base station for signal transmission is provided, including:
用于接收UE根据接收到的两个TRP发送的第一信息和第二信息的解码结果按照预定规则发送的第一信号的装置;A device for receiving a first signal sent by the UE according to the decoding results of the received first information and second information sent by the two TRPs according to a predetermined rule;
用于根据所述第一信号按照预定规则发送第二信号给另一个所述TRP的装置。A device for sending a second signal to another TRP according to a predetermined rule according to the first signal.
由于本实施例中UE对于两个TRP的传输信息仅需要反馈第一信号给其中一个TRP,该TRP根据该第一信号按照预定规则发送第二信号给另一个TRP。即可以支持两个PDSCH传输,但只有一位ACK/NACK反馈,有效的避免了UE向两个TRP单独发送ACK/NACK信息,从而减少了上行链路开销,并节省了UE的发射功率。In this embodiment, the UE only needs to feed back the first signal to one of the TRPs for the transmission information of the two TRPs, and the TRP sends the second signal to the other TRP according to the first signal according to a predetermined rule. That is, two PDSCH transmissions can be supported, but there is only one ACK / NACK feedback, which effectively avoids the UE from sending ACK / NACK information to the two TRPs separately, thereby reducing uplink overhead and saving the UE's transmit power.
本领域普通技术人员将了解,虽然下面的详细说明将参考图示实施例、附图进行,但本发明并不仅限于这些实施例。而是,本发明的范围是广泛的,且意在仅通过后附的权利要求限定本发明的范围。Those of ordinary skill in the art will understand that although the following detailed description will be made with reference to the illustrated embodiments and the accompanying drawings, the present invention is not limited to these embodiments. Rather, the scope of the invention is broad, and it is intended that the scope of the invention be limited only by the appended claims.
附图说明BRIEF DESCRIPTION
通过阅读参照以下附图所作的对非限制性实施例所作的详细描述,本发明的其它特征、目的和优点将会变得更明显:By reading the detailed description of the non-limiting embodiments made with reference to the following drawings, other features, objects, and advantages of the present invention will become more apparent:
图1示出了现有技术中两个TRP联合向一个UE发送下行数据的信号传输示意图。FIG. 1 shows a schematic diagram of signal transmission in which two TRPs jointly send downlink data to one UE in the prior art.
图2示出了根据本发明一个实施例的信号的传输方法的流程图。FIG. 2 shows a flowchart of a signal transmission method according to an embodiment of the present invention.
图3示出了本发明一个实施例的信号的传输方法中每个TRP的HARQ检测窗口的示意图。FIG. 3 shows a schematic diagram of the HARQ detection window of each TRP in the signal transmission method according to an embodiment of the present invention.
图4示出了本发明一个实施例的信号的传输方法中指示每个HARQ的标识信息的示意图。FIG. 4 shows a schematic diagram indicating identification information of each HARQ in a signal transmission method according to an embodiment of the present invention.
图5示出了根据本发明另一个实施例的信号的传输方法的流程图。FIG. 5 shows a flowchart of a signal transmission method according to another embodiment of the present invention.
图6示出了本发明的实施例一的基于gNB同时为两个TRP调度UL资源的情况下信号的传输方法的示意图。FIG. 6 shows a schematic diagram of a signal transmission method in a case where UL resources are scheduled for two TRPs based on gNB at the first embodiment of the present invention.
图7示出了本发明的实施例一中两个TRP联合向一个UE发送下行数据的信号传输示意图。7 shows a schematic diagram of signal transmission in which two TRPs jointly send downlink data to one UE in Embodiment 1 of the present invention.
图8示出了本发明的实施例二的基于gNB在不同时间为两个TRP调度UL资源的情况下信号的传输方法的示意图。FIG. 8 shows a schematic diagram of a signal transmission method based on gNB scheduling UL resources for two TRPs at different times according to Embodiment 2 of the present invention.
图9示出了本发明的实施例二中第一TRP接收到第一信号并转发第二信号给第二TRP的信号传输的示意图。9 shows a schematic diagram of signal transmission in which the first TRP receives the first signal and forwards the second signal to the second TRP in Embodiment 2 of the present invention.
图10示出了本发明的实施例二中第二TRP接收到第一信号的示意图。FIG. 10 shows a schematic diagram of the second signal received by the second TRP in the second embodiment of the present invention.
图11示出了本发明的实施例三的gNB为固定TRP调度UL反馈资源的情况下信号的传输方法的示意图。FIG. 11 shows a schematic diagram of a signal transmission method in a case where the gNB of Embodiment 3 of the present invention schedules UL feedback resources for fixed TRP.
图12示出了本发明的实施例三中两个TRP联合向一个UE发送下行数据的信号传输示意图。FIG. 12 shows a schematic diagram of signal transmission in which two TRPs jointly send downlink data to one UE in Embodiment 3 of the present invention.
图13示出了本发明的实施例三中两个TRP联合向一个UE发送下行数据的信号传输具体示意图。FIG. 13 shows a specific schematic diagram of signal transmission in which two TRPs jointly send downlink data to one UE in Embodiment 3 of the present invention.
图14示出根据本发明一个实施例的用于信号传输的用户设备的框图。14 shows a block diagram of a user equipment for signal transmission according to an embodiment of the present invention.
图15示出了根据本发明一个实施例的用于信号传输的基站的框图。15 shows a block diagram of a base station for signal transmission according to an embodiment of the present invention.
附图中相同或相似的附图标记代表相同或相似的部件。The same or similar reference signs in the drawings represent the same or similar parts.
具体实施方式detailed description
为了便于理解,举例的给出部分与本申请相关概念的说明以供参考。如下所示:For ease of understanding, some examples are given to explain some concepts related to this application for reference. As follows:
用户设备(user equipment,UE)是一种终端设备,可以是可移动的终端设备,也可 以是不可移动的终端设备。该设备主要用于接收或者发送业务数据。用户设备可分布于网络中,在不同的网络中用户设备有不同的名称,例如:终端,移动台,用户单元,站台,蜂窝电话,个人数字助理,无线调制解调器,无线通信设备,手持设备,膝上型电脑,无绳电话,无线本地环路台,车载终端,无人机设备,智能家居,物联网设备等。该用户设备可以经无线接入网(radio access network,RAN)(无线通信网络的接入部分)与一个或多个核心网进行通信,例如与无线接入网交换语音和/或数据。User equipment (UE) is a type of terminal equipment, which may be a mobile terminal equipment or a non-mobile terminal equipment. The device is mainly used to receive or send business data. User equipment can be distributed in the network. User equipment has different names in different networks, such as: terminal, mobile station, subscriber unit, station, cellular phone, personal digital assistant, wireless modem, wireless communication device, handheld device, laptop Computers, cordless phones, wireless local loop stations, car terminals, drone equipment, smart homes, Internet of Things equipment, etc. The user equipment may communicate with one or more core networks via a radio access network (RAN) (access part of a wireless communication network), for example, to exchange voice and / or data with the wireless access network.
基站(base station,BS)设备,也可称为基站,是一种部署在无线接入网用以提供无线通信功能的装置。例如在2G网络中提供基站功能的设备包括基地无线收发站(base transceiver station,BTS)和基站控制器(base station controller,BSC),3G网络中提供基站功能的设备包括节点B(NodeB)和无线网络控制器(radio network controller,RNC),在4G网络中提供基站功能的设备包括演进的节点B(evolved NodeB,eNB),在WLAN中,提供基站功能的设备为接入点(access point,AP)。在5G新无线(New Radio,NR)中的提供基站功能的设备包括继续演进的节点B(gNB),收发点(transmission and reception point,TRP),传输点(transmission point,TP),或者中继(relay)等。其中,节点B,TRP和TP可以为包含基带处理和射频部分的装置,TRP和TP也可以为射频单元(radio unit,RU)或是远端射频单元(remote radio unit,RRU)。其中,TRP为NG中常用的名称,TP为LTE系统中常用的名称。Base station (BS) equipment, also known as base station, is a device deployed in a wireless access network to provide wireless communication functions. For example, equipment that provides base station functions in a 2G network includes a base transceiver station (BTS) and base station controller (BSC), and equipment that provides base station functions in a 3G network includes a Node B (NodeB) and wireless Network controller (radio network controller, RNC), equipment that provides base station function in 4G network includes evolved Node B (eNB), and in WLAN, equipment that provides base station function is access point (AP) ). The equipment that provides base station functions in 5G New Radio (NR) includes a Node B (gNB) that continues to evolve, a transmission and reception point (TRP), a transmission point (TP), or a relay (relay) etc. Among them, Node B, TRP and TP may be devices that include baseband processing and radio frequency parts, and TRP and TP may also be radio frequency units (radio unit, RU) or remote radio units (remote radio unit, RRU). Among them, TRP is a commonly used name in NG, and TP is a commonly used name in LTE system.
PDCCH中承载的是DCI(Downlink Control Information),包含一个或多个UE上的资源分配和控制信息,UE需要首先解调PDCCH中的DCI,然后在相应的资源位置上解调出属于UE自己的PDSCH(包括广播消息,寻呼或UE的数据等),PDCCH包含了UL(UpLink)授权,以指示UE上行数据传输时所使用的资源。The PDCCH carries DCI (Downlink Control Information), which contains resource allocation and control information on one or more UEs. The UE needs to demodulate the DCI in the PDCCH first, and then demodulate the UE's own at the corresponding resource location PDSCH (including broadcast messages, paging or UE data, etc.), PDCCH contains UL (UpLink) authorization to indicate the resources used by the UE for uplink data transmission.
PDSCH用来传送下行数据及系统信息,一个传输块(TB)依据所使用的调制与编码策略(MCS),可能需要多于一个子帧来传输,因此在PDCCH中接收到的下行链路分配中会包含一个TB对应的子帧数目以及重传次数指示。The PDSCH is used to transmit downlink data and system information. A transport block (TB) may require more than one subframe to transmit according to the modulation and coding strategy (MCS) used. Therefore, in the downlink allocation received in the PDCCH An indication of the number of subframes corresponding to a TB and the number of retransmissions will be included.
关于UL数据,通过将UL调度信息发射到UE,基站向特定的UE通知其能够发射数据的时间-频率域、编码方案、数据大小、HARQ信息等等。Regarding UL data, by transmitting UL scheduling information to the UE, the base station informs the specific UE of the time-frequency domain, coding scheme, data size, HARQ information, etc. in which it can transmit data.
下面结合附图对本发明作进一步详细描述。The present invention will be described in further detail below with reference to the drawings.
图2是根据本发明一个实施例的信号的传输方法的流程图,该方法由UE完成。FIG. 2 is a flowchart of a signal transmission method according to an embodiment of the present invention. The method is performed by a UE.
如图2中所示,本实施例所述的信号的传输方法包括如下步骤:As shown in FIG. 2, the signal transmission method described in this embodiment includes the following steps:
S200、分别接收两个TRP发送的第一信息和第二信息;S200. Receive first information and second information sent by two TRPs respectively;
S210、根据对所述第一信息和所述第二信息的解码结果按照预定规则返回第一信号给一个所述TRP,所述预定规则用于指示接收到所述第一信号的所述TRP根据所述第一信号发送第二信号给另一个所述TRP。S210. Return a first signal to one TRP according to a predetermined rule according to the decoding results of the first information and the second information, where the predetermined rule is used to indicate that the TRP that received the first signal is based on The first signal sends a second signal to another TRP.
下面对各步骤做进一步详细介绍。The steps are described in further detail below.
如图1所示,两个TRP分别为第一TRP和第二TRP,第一TRP发送第一PDSCH传输信息给UE,第二TRP发送第二PDSCH传输信息给UE,UE通过特定算法分别对第一PDSCH传输信息和第二PDSCH传输信息进行解码,本申请对特定算法不做具体限定,特定算法包括但不限于每个PDSCH传输信息具有独立的解码算法或通过连续干扰消除算法(SIC)的有序PDSCH解码。As shown in FIG. 1, the two TRPs are a first TRP and a second TRP, respectively. The first TRP sends the first PDSCH transmission information to the UE, and the second TRP sends the second PDSCH transmission information to the UE. One PDSCH transmission information and the second PDSCH transmission information are decoded. This application does not specifically limit specific algorithms. Specific algorithms include, but are not limited to, each PDSCH transmission information has an independent decoding algorithm or a continuous interference cancellation algorithm (SIC). Sequence PDSCH decoding.
在步骤S200中,UE接收第一TRP发送的第一PDSCH传输信息以及第二TRP发送的第二PDSCH传输信息。In step S200, the UE receives the first PDSCH transmission information sent by the first TRP and the second PDSCH transmission information sent by the second TRP.
在步骤S210中,第一信号可以包括但不限于:In step S210, the first signal may include but is not limited to:
ACK或NACK中的任意一个;或者Either ACK or NACK; or
ACK和指示信息的组合或NACK和指示信息的组合中的任意一个Either a combination of ACK and indication information or a combination of NACK and indication information
作为可选的,当第一信号为ACK或NACK中的任意一个时,步骤S110可以包括:Alternatively, when the first signal is any one of ACK or NACK, step S110 may include:
UE根据第一信息和第二信息的解码结果返回第一信号给第一TRP,以使所述第一TRP发送与所述第一信号相同的第二信号给第二TRP;或者The UE returns a first signal to the first TRP according to the decoding results of the first information and the second information, so that the first TRP sends the same second signal as the first signal to the second TRP; or
UE根据第一信息和第二信息的解码结果返回第一信号给第二TRP,以使所述第二TRP发送与所述第一信号相反的第二信号给第一TRP。The UE returns the first signal to the second TRP according to the decoding results of the first information and the second information, so that the second TRP sends a second signal opposite to the first signal to the first TRP.
具体地,可以包括:Specifically, it may include:
第一信息和第二信息都解码成功,则返回ACK给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP;或者When both the first information and the second information are successfully decoded, an ACK is returned to the first TRP, so that the first TRP sends the same second signal ACK as the ACK to the second TRP; or
若第一信息和第二信息均解码失败,则返回NACK给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP;或者If the decoding of both the first information and the second information fails, a NACK is returned to the first TRP, so that the first TRP sends the same second signal NACK as the NACK to the second TRP; or
若第一信息解码失败,第二信息解码成功,则返回ACK给第二TRP,以使所述第二TRP发送与所述ACK相反的第二信号NACK给第一TRP;或者If the decoding of the first information fails and the decoding of the second information succeeds, an ACK is returned to the second TRP, so that the second TRP sends a second signal NACK opposite to the ACK to the first TRP; or
若第一信息解码成功,第二信息解码失败,则返回NACK给第二TRP,以使所述 第二TRP发送与所述NACK相反的第二信号ACK给第一TRP。If the decoding of the first information is successful and the decoding of the second information fails, a NACK is returned to the second TRP, so that the second TRP sends a second signal ACK opposite to the NACK to the first TRP.
作为可选的,当第一信号为ACK和指示信息的组合或NACK和指示信息的组合中的任意一个时,步骤S110可以包括:Alternatively, when the first signal is any one of a combination of ACK and indication information or a combination of NACK and indication information, step S110 may include:
UE根据第一信息和第二信息的解码结果返回第一信号给第一TRP,以使所述第一TRP根据所述指示信息发送与所述第一信号相同或相反的第二信号给第二TRP。The UE returns a first signal to the first TRP according to the decoding results of the first information and the second information, so that the first TRP sends a second signal that is the same as or opposite to the first signal to the second according to the instruction information TRP.
具体地,可以包括:Specifically, it may include:
若第一信息和第二信息都解码成功,则返回ACK和第一指示信息给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP;或者If both the first information and the second information are successfully decoded, return ACK and first indication information to the first TRP, so that the first TRP sends the same second signal ACK as the ACK to the second TRP; or
若第一信息和第二信息均解码失败,则返回NACK和第一指示信息给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP;或者If the decoding of both the first information and the second information fails, return NACK and first indication information to the first TRP, so that the first TRP sends the same second signal NACK as the NACK to the second TRP;
若第一信息解码成功,第二信息解码失败,则返回ACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述ACK相反的第二信号NACK给第二TRP;或者If the decoding of the first information is successful and the decoding of the second information fails, the ACK and the second indication information are returned to the first TRP, so that the first TRP sends a second signal NACK opposite to the ACK to the second TRP; or
若第一信息解码失败,第二信息解码成功,则返回NACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述NACK相反的第二信号ACK给第二TRP;或者If the decoding of the first information fails and the decoding of the second information succeeds, NACK and second indication information are returned to the first TRP, so that the first TRP sends a second signal ACK opposite to the NACK to the second TRP; or
若第一信息解码成功,第二信息解码失败,则返回NACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP;或者If the decoding of the first information succeeds, and the decoding of the second information fails, return NACK and second indication information to the first TRP, so that the first TRP sends the same second signal NACK as the NACK to the second TRP; or
若第一信息解码失败,第二信息解码成功,则返回ACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP。If the decoding of the first information fails and the decoding of the second information succeeds, the ACK and the second indication information are returned to the first TRP, so that the first TRP sends the same second signal ACK as the ACK to the second TRP.
步骤S210,所述预定规则还可以包括:Step S210, the predetermined rule may further include:
为每个TRP预先配置第一信号和第二信号的检测窗口。The detection windows of the first signal and the second signal are pre-configured for each TRP.
具体地,若在非理想回程链路上发送ACK/NACK的共享信息,应该为每个TRP预先配置第一信号和第二信号的检测窗口,如图3所示,当UE发送第一信号给第一TRP,第一TRP发送第二信号给第二TRP的情况下,在重新安排重传之前,第二TRP通过gNB等待窗口(即预先配置的HARQ信号检测窗口为T0)接收从第一TRP发送的第二信号,预先配置的信号检测窗口由回程延迟和UE服务延迟的要求确定。Specifically, if the shared information of ACK / NACK is sent on the non-ideal backhaul link, the detection window of the first signal and the second signal should be pre-configured for each TRP, as shown in FIG. 3, when the UE sends the first signal to The first TRP, in the case where the first TRP sends the second signal to the second TRP, before rescheduling the retransmission, the second TRP receives from the first TRP through the gNB wait window (that is, the pre-configured HARQ signal detection window is T0) The second signal sent, the pre-configured signal detection window is determined by the requirements of backhaul delay and UE service delay.
进一步地,如图4所示,在预先设置的信号检测窗口期间有多个HARQ被转发到第二TRP,则第一信号和第二信号可以包括用于指示每个HARQ的标识信息,该标识信息可以包括但不限于每个HARQ的时间信息或索引信息,其目的是为了使TRP正 确的映射出其接收到的第一信号和第二信号所对应的传输的数据。Further, as shown in FIG. 4, during the preset signal detection window, multiple HARQs are forwarded to the second TRP, then the first signal and the second signal may include identification information indicating each HARQ, the identification The information may include but is not limited to time information or index information of each HARQ, and its purpose is to enable the TRP to correctly map out the transmission data corresponding to the first signal and the second signal it receives.
本实施例提出的信号的传输方法,在多TRP传输中,两个TRP可以通过回程共享用户的信息,UE选择目标TRP并使用其相关配置在上行链路中发送ACK/NACK,尽管两个TPR均监视UE上行链路控制信道,但是仅一个TRP可以通过其配置的信息对ACK/NACK信息进行解码。本实施例可以支持两个PDSCH传输,只有一位ACK/NACK反馈有效,不仅可以减少上行链路开销,还可以节省UE的发射功率。可以根据用户链路的条件动态或半动态配置预定规则,并采用传统的交互方式作为补充。例如,对于密集小区,所有链路都具有高质量,本申请的实施例可以直接使用。对于大型小区,如果所有链路中存在不同的信道质量,则使用传统的ACK/NACK反馈方式。本实施例中每个链路参数可以灵活的选择ACK/NACK反馈,例如,对于每个链路具有不同的功率控制参数可用于优化上行链路性能。本实施例还可以用于基于不同级别代码块(CBG)的ACK/NACK和重传过程,两个TRP可以配置为基于CBG传输,可以基于类似的原理对反馈进行异或。一种优选的解决方案是基于CBG内的最大ACK来选择TRP。In the signal transmission method proposed in this embodiment, in multi-TRP transmission, two TRPs can share user information through the backhaul. The UE selects the target TRP and uses its related configuration to send ACK / NACK in the uplink, although the two TPRs Both monitor the UE uplink control channel, but only one TRP can decode ACK / NACK information through its configured information. This embodiment can support two PDSCH transmissions, and only one ACK / NACK feedback is effective, which can not only reduce the uplink overhead, but also save the transmission power of the UE. The predetermined rules can be dynamically or semi-dynamically configured according to the conditions of the user link, and supplemented by traditional interaction methods. For example, for dense cells, all links have high quality, and the embodiments of the present application can be used directly. For large cells, if there are different channel qualities in all links, the traditional ACK / NACK feedback method is used. In this embodiment, each link parameter can flexibly select ACK / NACK feedback. For example, different power control parameters for each link can be used to optimize uplink performance. This embodiment can also be used for ACK / NACK and retransmission processes based on different levels of code blocks (CBGs). The two TRPs can be configured for CBG transmission, and XOR can be used for feedback based on similar principles. A preferred solution is to select TRP based on the maximum ACK in CBG.
图5是根据本发明一个实施例的信号的传输方法的流程图,该方法由TRP完成。5 is a flowchart of a signal transmission method according to an embodiment of the present invention, the method is completed by TRP.
如图5中所示,本实施例所述信号的传输方法包括如下步骤:As shown in FIG. 5, the signal transmission method in this embodiment includes the following steps:
S500、接收UE根据接收到的两个TRP发送的第一信息和第二信息的解码结果按照预定规则发送的第一信号。S500. Receive a first signal sent by the UE according to a received decoding result of the first information and the second information sent by the two TRPs according to a predetermined rule.
S510、根据所述第一信号按照预定规则发送第二信号给另一个所述TRP。S510. Send a second signal to another TRP according to the first signal according to a predetermined rule.
作为可选的,当所述第一信号为ACK或NACK中的任意一个时,步骤S510可以包括:As an option, when the first signal is any one of ACK or NACK, step S510 may include:
发送与第一信号相同的第二信号给另一个所述TRP;或者Send the same second signal as the first signal to another TRP; or
发送与第一信号相反的第二信号给另一个所述TRP。A second signal opposite to the first signal is sent to another said TRP.
作为可选的,当所述ACK和指示信息的组合或NACK和指示信息的组合中的任意一个时,步骤S510可以包括:Alternatively, when any one of the combination of ACK and indication information or the combination of NACK and indication information, step S510 may include:
根据第一指示信息发送与所述第一信号相同的第二信号给另一个所述TRP;或者Sending a second signal identical to the first signal to another TRP according to the first indication information; or
根据第二指示信息发送与所述第一信号相同的第二信号给另一个所述TRP;或者Sending a second signal identical to the first signal to another TRP according to the second instruction information; or
根据第二指示信息发送与所述第一信号相反的第二信号给另一个所述TRP。Sending a second signal opposite to the first signal to another TRP according to the second instruction information.
可选地,本实施例还包括:Optionally, this embodiment further includes:
预先配置第一信号和第二信号的检测窗口。如图3所示,当UE发送第一信号给第一TRP,第一TRP发送第二信号给第二TRP的情况下,在重新安排重传之前,第二TRP通过gNB等待窗口(即预先配置的HARQ信号检测窗口为T0)接收从第一TRP发送的第二信号,预先配置的信号检测窗口由回程延迟和UE服务延迟的要求确定。The detection windows of the first signal and the second signal are pre-configured. As shown in FIG. 3, when the UE sends the first signal to the first TRP and the first TRP sends the second signal to the second TRP, the second TRP passes the gNB waiting window (that is, pre-configured The HARQ signal detection window is T0) Receive the second signal sent from the first TRP, the pre-configured signal detection window is determined by the requirements of the backhaul delay and the UE service delay.
可选地,本实施例还包括:Optionally, this embodiment further includes:
若第一信号和/或第二信号中包含指示HARQ的标识信息,则根据所述标识信息确定每个HARQ对应的信号。如图4所示,在预先设置的信号检测窗口期间有多个HARQ被转发到第二TRP,则第一信号和第二信号可以包括用于指示每个HARQ的标识信息,该标识信息可以包括但不限于每个HARQ的时间信息或索引信息,其目的是为了使TRP正确的映射出其接收到的第一信号和第二信号所对应的传输的数据。If the first signal and / or the second signal include identification information indicating HARQ, a signal corresponding to each HARQ is determined according to the identification information. As shown in FIG. 4, during the preset signal detection window, multiple HARQs are forwarded to the second TRP, then the first signal and the second signal may include identification information indicating each HARQ, and the identification information may include However, it is not limited to the time information or index information of each HARQ, and its purpose is to enable the TRP to correctly map out the transmission data corresponding to the first signal and the second signal it receives.
本实施例提出的信号的传输方法,在多TRP传输中,两个TRP可以通过回程共享用户的信息,UE选择目标TRP并使用其相关配置在上行链路中发送ACK/NACK,尽管两个TPR均监视UE上行链路控制信道,但是仅一个TRP可以通过其配置的信息对ACK/NACK信息进行解码。本实施例可以支持两个PDSCH传输,只有一位ACK/NACK反馈有效,不仅可以减少上行链路开销,还可以节省UE的发射功率。可以根据用户链路的条件动态或半动态配置预定规则,并采用传统的交互方式作为补充。例如,对于密集小区,所有链路都具有高质量,本申请的实施例可以直接使用。对于大型小区,如果所有链路中存在不同的信道质量,则使用传统的ACK/NACK反馈方式。本实施例中每个链路参数可以灵活的选择ACK/NACK反馈,例如,对于每个链路具有不同的功率控制参数可用于优化上行链路性能。本实施例还可以用于基于不同级别代码块(CBG)的ACK/NACK和重传过程,两个TRP可以配置为基于CBG传输,可以基于类似的原理对反馈进行异或。一种优选的解决方案是基于CBG内的最大ACK来选择TRP。In the signal transmission method proposed in this embodiment, in multi-TRP transmission, two TRPs can share user information through the backhaul. The UE selects the target TRP and uses its related configuration to send ACK / NACK in the uplink, although the two TPRs Both monitor the UE uplink control channel, but only one TRP can decode ACK / NACK information through its configured information. This embodiment can support two PDSCH transmissions, and only one ACK / NACK feedback is effective, which can not only reduce the uplink overhead, but also save the transmission power of the UE. The predetermined rules can be dynamically or semi-dynamically configured according to the conditions of the user link, and supplemented by traditional interaction methods. For example, for dense cells, all links have high quality, and the embodiments of the present application can be used directly. For large cells, if there are different channel qualities in all links, the traditional ACK / NACK feedback method is used. In this embodiment, each link parameter can flexibly select ACK / NACK feedback. For example, different power control parameters for each link can be used to optimize uplink performance. This embodiment can also be used for ACK / NACK and retransmission processes based on different levels of code blocks (CBGs). The two TRPs can be configured for CBG transmission, and XOR can be used for feedback based on similar principles. A preferred solution is to select TRP based on the maximum ACK in CBG.
实施例一、Example one
如图6中所示,本实施例为gNB同时为两个TRP调度UL资源的情况下,即两个TRP都期待UL反馈,UE可以在一个波束上使用有效的发射功率将第一信号发送给根据预定规则确定的TRP,而另一个TRP的UL传输静音,根据预定规则对ACK或NACK的处理程序如图7所示,所述信号传输的方法包括如下步骤:As shown in FIG. 6, in this embodiment, when gNB schedules UL resources for two TRPs at the same time, that is, both TRPs expect UL feedback, the UE can send the first signal to a beam using effective transmit power to the According to the TRP determined according to the predetermined rule, while the UL transmission of another TRP is muted, the processing procedure for ACK or NACK according to the predetermined rule is shown in FIG. 7, and the signal transmission method includes the following steps:
S600、UE与基站确定预定规则为第一TRP将接收到ACK/NACK信号执行
Figure PCTCN2018113677-appb-000001
操作,第二TRP将接收到ACK/NACK信号执行
Figure PCTCN2018113677-appb-000002
操作。
S600. The UE and the base station determine that the predetermined rule is that the first TRP will execute an ACK / NACK signal.
Figure PCTCN2018113677-appb-000001
Operation, the second TRP will execute after receiving the ACK / NACK signal
Figure PCTCN2018113677-appb-000002
operating.
具体地,根据两个PDSCH传输信息解码结果(Decoding Result)的四种情况,如表1所示,当两个PDSCH解码结果都解码成功(A)或均解码失败(N)时,发送ACK/NACK(Feedback Content)给第一TRP(TRP#1),当两个PDSCH解码结果中只有一个解码成功,另一个解码失败时,发送ACK/NACK(Feedback Content)给第二TRP(TRP#2)。Specifically, according to the four cases of the decoding results (Decoding Result) of the two PDSCH transmission information, as shown in Table 1, when both PDSCH decoding results are successfully decoded (A) or both decoding fails (N), ACK / NACK (Feedback Content) to the first TRP (TRP # 1). When only one of the two PDSCH decoding results is successfully decoded and the other fails, the ACK / NACK (Feedback Content) is sent to the second TRP (TRP # 2) .
表1Table 1
Figure PCTCN2018113677-appb-000003
Figure PCTCN2018113677-appb-000003
如表2所示,接到第一信号的TRP发送第二信号给另一个TRP的示意图。第一TRP(Selected TRP for A/N feedback)将接收到ACK/NACK信号(Feedback Content)执行
Figure PCTCN2018113677-appb-000004
操作得到第二信号(Forward Content)发送给第二TRP(Forward TRP),或者,第二TRP(Selected TRP for A/N feedback)将接收到ACK/NACK信号(Feedback Content)执行
Figure PCTCN2018113677-appb-000005
操作得到第二信号(Forward Content)发送给第一TRP(Forward TRP)。
As shown in Table 2, the schematic diagram of the TRP receiving the first signal sending the second signal to another TRP. The first TRP (Selected TRP for A / N feedback) will be executed after receiving the ACK / NACK signal (Feedback Content)
Figure PCTCN2018113677-appb-000004
The operation gets the second signal (Forward Content) and sends it to the second TRP (Forward TRP), or the second TRP (Selected TRP for A / N feedback) will receive the ACK / NACK signal (Feedback Content) and execute
Figure PCTCN2018113677-appb-000005
The operation obtains the second signal (Forward Content) and sends it to the first TRP (Forward TRP).
表2Table 2
Figure PCTCN2018113677-appb-000006
Figure PCTCN2018113677-appb-000006
进一步地,符号
Figure PCTCN2018113677-appb-000007
表示逻辑独占析取,当A或B为真时
Figure PCTCN2018113677-appb-000008
为真;如果A和B都是真或假,则
Figure PCTCN2018113677-appb-000009
为假。
Further, the symbol
Figure PCTCN2018113677-appb-000007
Indicates logical exclusive disjunction, when A or B is true
Figure PCTCN2018113677-appb-000008
True; if both A and B are true or false, then
Figure PCTCN2018113677-appb-000009
False.
S610、UE接收第一TRP发送的第一PDSCH传输信息以及第二TRP发送的第二PDSCH传输信息,并根据解码结果执行S620-S650中的一个步骤。S610. The UE receives the first PDSCH transmission information sent by the first TRP and the second PDSCH transmission information sent by the second TRP, and executes one step in S620-S650 according to the decoding result.
S620、当两个PDSCH传输信息都解码成功时,UE发送ACK给第一TRP,然后,第一TRP发送ACK给第二TRP。S620. When both PDSCH transmission information are successfully decoded, the UE sends an ACK to the first TRP, and then, the first TRP sends an ACK to the second TRP.
具体地,第一TRP根据UE发送的ACK执行
Figure PCTCN2018113677-appb-000010
操作得到ACK发送给第二TRP。
Specifically, the first TRP is performed according to the ACK sent by the UE
Figure PCTCN2018113677-appb-000010
The operation gets an ACK and sends it to the second TRP.
S630、当两个PDSCH传输信息均解码失败时,UE发送NACK给第一TRP,然后,第一TRP发送NACK给第二TRP。S630. When decoding of both PDSCH transmission information fails, the UE sends a NACK to the first TRP, and then, the first TRP sends a NACK to the second TRP.
具体地,第一TRP根据UE发送的NACK执行
Figure PCTCN2018113677-appb-000011
操作得到NACK发送给第二TRP。
Specifically, the first TRP is performed according to the NACK sent by the UE
Figure PCTCN2018113677-appb-000011
The operation gets NACK and sends it to the second TRP.
S640、当第一PDSCH传输信息解码成功,第二PDSCH传输信息解码失败时,UE发送NACK给第二TRP,然后,第二TRP发送ACK给第一TRP。S640. When the decoding of the first PDSCH transmission information is successful and the decoding of the second PDSCH transmission information fails, the UE sends a NACK to the second TRP, and then, the second TRP sends an ACK to the first TRP.
具体地,第二TRP根据UE发送的NACK执行
Figure PCTCN2018113677-appb-000012
操作得到ACK发送给第一TRP。
Specifically, the second TRP is performed according to the NACK sent by the UE
Figure PCTCN2018113677-appb-000012
The operation gets an ACK and sends it to the first TRP.
S650、当第一PDSCH传输信息解码失败,第二PDSCH传输信息解码成功时,UE发送ACK给第二TRP,然后,第二TRP发送NACK给第一TRP。S650. When the decoding of the first PDSCH transmission information fails and the decoding of the second PDSCH transmission information succeeds, the UE sends an ACK to the second TRP, and then, the second TRP sends a NACK to the first TRP.
具体地,第二TRP根据UE发送的ACK执行
Figure PCTCN2018113677-appb-000013
操作得到NACK发送给第一TRP。
Specifically, the second TRP is performed according to the ACK sent by the UE
Figure PCTCN2018113677-appb-000013
The operation gets NACK and sends it to the first TRP.
实施例二、Example 2
如图8中所示,本实施例为gNB在不同时间为两个TRP调度UL资源(时间大于回程延迟)的情况下,即第一TRP期待UL反馈(UE可以发送,也可以不发送ACK/NACK),如果第一TRP收到反馈,则将通知第二TRP关于HARQ反馈;如果第一TRP未接收到反馈,则第二TRP将检测来自UE的HARQ反馈并通知第一TRP。如果第二TRP预先接收到UL反馈,则第二TRP通知第一TRP,并忽略/丢弃来自第一TRP的反馈,所述信号传输的方法包括如下步骤:As shown in FIG. 8, in this embodiment, when gNB schedules UL resources for two TRPs at different times (time is greater than the backhaul delay), that is, the first TRP expects UL feedback (the UE may or may not send ACK / NACK), if the first TRP receives feedback, it will notify the second TRP about HARQ feedback; if the first TRP does not receive feedback, the second TRP will detect HARQ feedback from the UE and notify the first TRP. If the second TRP receives UL feedback in advance, the second TRP notifies the first TRP and ignores / discards the feedback from the first TRP. The signal transmission method includes the following steps:
S800、UE与基站确定预定规则,所述预定规则为时隙t2中的UL资源被分配给第一TRP用于ACK/NACK检测,并且时隙t3中的UL资源被分配给第二TRP用于ACK/NACK检测。可选地,分配的两个时隙(t2和t3)之间的时间大于回程延迟。第一TRP将接收到ACK/NACK信号执行
Figure PCTCN2018113677-appb-000014
操作,第二TRP将接收到ACK/NACK信号执行
Figure PCTCN2018113677-appb-000015
操作。
S800. The UE and the base station determine a predetermined rule. The predetermined rule is that the UL resource in the time slot t2 is allocated to the first TRP for ACK / NACK detection, and the UL resource in the time slot t3 is allocated to the second TRP for ACK / NACK detection. Optionally, the time between the allocated two time slots (t2 and t3) is greater than the backhaul delay. The first TRP will be executed after receiving the ACK / NACK signal
Figure PCTCN2018113677-appb-000014
Operation, the second TRP will execute after receiving the ACK / NACK signal
Figure PCTCN2018113677-appb-000015
operating.
具体地,根据两个PDSCH传输信息解码结果的四种情况,同样适用于表1和表2。Specifically, the four cases according to the decoding results of the two PDSCH transmission information are also applicable to Table 1 and Table 2.
S810、UE接收第一TRP发送的第一PDSCH传输信息以及第二TRP发送的第二PDSCH传输信息,并根据解码结果执行S820-S850中的一个步骤,其中,S820-S830中UE在时隙t2发送ACK/NACK给第一TRP,第一TRP在时隙t3内发送ACK/NACK 给第二TRP的示意图如图9所示,S840-S850中UE在时隙t3发送ACK/NACK给第二TRP的示意图如图10所示。S810. The UE receives the first PDSCH transmission information sent by the first TRP and the second PDSCH transmission information sent by the second TRP, and performs a step in S820-S850 according to the decoding result, where the UE is in the time slot t2 in S820-S830 A schematic diagram of sending ACK / NACK to the first TRP, the first TRP sending ACK / NACK to the second TRP in the time slot t3 is shown in FIG. 9, and the UE sends ACK / NACK to the second TRP in the time slot t3 in S840-S850 The schematic diagram is shown in Figure 10.
S820、当两个PDSCH传输信息都解码成功时,UE在时隙t2发送ACK给第一TRP,然后,第一TRP发送ACK给第二TRP。S820. When both PDSCH transmission information are successfully decoded, the UE sends an ACK to the first TRP in the time slot t2, and then, the first TRP sends an ACK to the second TRP.
具体地,第一TRP根据UE发送的ACK执行
Figure PCTCN2018113677-appb-000016
操作得到ACK发送给第二TRP。
Specifically, the first TRP is performed according to the ACK sent by the UE
Figure PCTCN2018113677-appb-000016
The operation gets an ACK and sends it to the second TRP.
S830、当两个PDSCH传输信息均解码失败时,UE在时隙t2发送NACK给第一TRP,然后,第一TRP发送NACK给第二TRP。S830. When decoding of both PDSCH transmission information fails, the UE sends a NACK to the first TRP in the time slot t2, and then, the first TRP sends a NACK to the second TRP.
具体地,第一TRP根据UE发送的NACK执行
Figure PCTCN2018113677-appb-000017
操作得到NACK发送给第二TRP。
Specifically, the first TRP is performed according to the NACK sent by the UE
Figure PCTCN2018113677-appb-000017
The operation gets NACK and sends it to the second TRP.
S840、当第一PDSCH传输信息解码成功,第二PDSCH传输信息解码失败时,UE在时隙t3发送NACK给第二TRP,然后,第二TRP发送ACK给第一TRP。S840. When the decoding of the first PDSCH transmission information is successful and the decoding of the second PDSCH transmission information fails, the UE sends a NACK to the second TRP in time slot t3, and then, the second TRP sends an ACK to the first TRP.
具体地,第一TRP将不会在预先分配的上行链路资源中接收到UE发送的ACK/NACK,并且直到时隙t3第二TRP也不能从第一TRP接收到其转发的反馈,在时隙t3第二个TRP将使用其预先分配的UL资源检测来自UE的HARQ反馈,然后,第二TRP根据UE发送的NACK执行
Figure PCTCN2018113677-appb-000018
操作得到ACK发送给第一TRP。
Specifically, the first TRP will not receive the ACK / NACK sent by the UE in the pre-allocated uplink resources, and the second TRP cannot receive its forwarded feedback from the first TRP until time slot t3. The second TRP of slot t3 will use its pre-allocated UL resources to detect HARQ feedback from the UE, and then the second TRP will be executed according to the NACK sent by the UE
Figure PCTCN2018113677-appb-000018
The operation gets an ACK and sends it to the first TRP.
S850、当第一PDSCH传输信息解码失败,第二PDSCH传输信息解码成功时,UE发送ACK给第二TRP,然后,第二TRP发送NACK给第一TRP。S850. When the decoding of the first PDSCH transmission information fails and the decoding of the second PDSCH transmission information succeeds, the UE sends an ACK to the second TRP, and then, the second TRP sends a NACK to the first TRP.
具体地,第二TRP根据UE发送的ACK执行
Figure PCTCN2018113677-appb-000019
操作得到NACK发送给第一TRP。
Specifically, the second TRP is performed according to the ACK sent by the UE
Figure PCTCN2018113677-appb-000019
The operation gets NACK and sends it to the first TRP.
作为可选的,基于CQI反馈来选择用于UL反馈的第一TRP和第二TRP,使得具有良好链路质量的TRP被选择为第一TRP。As an option, the first TRP and the second TRP for UL feedback are selected based on the CQI feedback, so that a TRP with good link quality is selected as the first TRP.
实施例三、Example three
如图11中所示,本实施例为gNB为固定TRP调度UL反馈资源的情况下,如图12和13所示,第一TRP为固定TRP,即UE仅发送第一信号给第一TRP,第一TRP根据第一信号发送第二信号给第二TRP。UE可以使用不同的加扰序列(用于给定TRP的唯一加扰序列)或一些其他区分方法来指示用于解码HARQ反馈的隐式信息(即指示信息),所述信号传输的方法包括如下步骤:As shown in FIG. 11, in this embodiment, when gNB schedules UL feedback resources for a fixed TRP, as shown in FIGS. 12 and 13, the first TRP is a fixed TRP, that is, the UE sends only the first signal to the first TRP. The first TRP sends a second signal to the second TRP according to the first signal. The UE may use different scrambling sequences (a unique scrambling sequence for a given TRP) or some other distinguishing method to indicate implicit information (that is, indication information) for decoding HARQ feedback. The signal transmission method includes the following step:
S1100、UE与基站确定预定规则,所述预定规则为ACK和指示信息的组合或NACK和指示信息的组合中的任意一个,第一指示信息(RS#1)表示两个PDSCH 传输信息都解码成功或均解码失败;第二指示信息(RS#2)表示两个PDSCH传输信息中一个解码成功,另一个解码失败。第一TRP将接收到ACK/NACK信号执行
Figure PCTCN2018113677-appb-000020
操作发送给第二TRP,将接收到ACK/NACK信号执行
Figure PCTCN2018113677-appb-000021
操作作为第一TRP接收到的反馈信号。
S1100. The UE and the base station determine a predetermined rule, which is any combination of ACK and indication information or a combination of NACK and indication information. The first indication information (RS # 1) indicates that both PDSCH transmission information are successfully decoded Or both decoding failed; the second indication information (RS # 2) indicates that one of the two PDSCH transmission information was successfully decoded and the other failed. The first TRP will be executed after receiving the ACK / NACK signal
Figure PCTCN2018113677-appb-000020
The operation is sent to the second TRP and will be executed when the ACK / NACK signal is received
Figure PCTCN2018113677-appb-000021
Operates as a feedback signal received by the first TRP.
具体地,根据两个PDSCH传输信息解码结果(Decoding Result)的四种情况,如表3所示,当两个PDSCH解码结果都解码成功(A)或均解码失败(N)时,发送ACK/NACK(Feedback Content)和第一指示信息(RS#1)给第一TRP,当两个PDSCH解码结果中只有一个解码成功,另一个解码失败时,发送ACK/NACK(Feedback Content)和第二指示信息(RS#2)给第二TRP。Specifically, according to the four cases of the decoding results (Decoding Result) of the two PDSCH transmission information, as shown in Table 3, when both PDSCH decoding results are successfully decoded (A) or both decoding fails (N), ACK / NACK (Feedback Content) and first indication information (RS # 1) to the first TRP. When only one of the two PDSCH decoding results is successfully decoded and the other fails, the ACK / NACK (Feedback Content) and second indication are sent Information (RS # 2) to the second TRP.
表3table 3
Figure PCTCN2018113677-appb-000022
Figure PCTCN2018113677-appb-000022
如表4所示,第一TRP根据第一指示信息(RS#1)将接收到ACK/NACK(Feedback In TRP#1)信号执行
Figure PCTCN2018113677-appb-000023
操作得到第二信号(A/N For TRP#2)发送给第二TRP,或者,第一TRP根据第二指示信息(RS#2)将接收到ACK/NACK(Feedback In TRP#1)信号执行
Figure PCTCN2018113677-appb-000024
操作得到第一TRP自身的反馈信号(A/N for TRP#1),第一TRP根据第二指示信息(RS#2)将接收到ACK/NACK(Feedback In TRP#1)信号执行
Figure PCTCN2018113677-appb-000025
操作得到第二信号(A/N For TRP#2)发送给第二TRP。
As shown in Table 4, the first TRP executes the received ACK / NACK (Feedback In TRP # 1) signal according to the first indication information (RS # 1)
Figure PCTCN2018113677-appb-000023
The operation obtains the second signal (A / N For TRP # 2) and sends it to the second TRP, or the first TRP executes the received ACK / NACK (Feedback In TRP # 1) signal according to the second indication information (RS # 2)
Figure PCTCN2018113677-appb-000024
The operation gets the first TRP's own feedback signal (A / N for TRP # 1), and the first TRP executes the received ACK / NACK (Feedback In TRP # 1) signal according to the second instruction information (RS # 2)
Figure PCTCN2018113677-appb-000025
The operation obtains the second signal (A / N For TRP # 2) and sends it to the second TRP.
表4Table 4
Figure PCTCN2018113677-appb-000026
Figure PCTCN2018113677-appb-000026
S1110、UE接收第一TRP发送的第一PDSCH传输信息以及第二TRP发送的第二PDSCH传输信息,并根据解码结果执行S1120-S1150中的一个步骤。S1110. The UE receives the first PDSCH transmission information sent by the first TRP and the second PDSCH transmission information sent by the second TRP, and performs one step in S1120-S1150 according to the decoding result.
S1120、当两个PDSCH传输信息都解码成功时,UE发送ACK和第一指示信息给第一TRP,然后,第一TRP发送ACK给第二TRP。S1120. When both PDSCH transmission information are successfully decoded, the UE sends an ACK and first indication information to the first TRP, and then, the first TRP sends an ACK to the second TRP.
具体地,第一TRP根据第一指示信息将UE发送的ACK执行
Figure PCTCN2018113677-appb-000027
操作得到ACK发送给第二TRP。
Specifically, the first TRP executes the ACK sent by the UE according to the first indication information
Figure PCTCN2018113677-appb-000027
The operation gets an ACK and sends it to the second TRP.
S1130、当两个PDSCH传输信息均解码失败时,UE发送NACK和第一指示信息给第一TRP,然后,第一TRP发送NACK给第二TRP。S1130. When decoding of both PDSCH transmission information fails, the UE sends a NACK and first indication information to the first TRP, and then, the first TRP sends a NACK to the second TRP.
具体地,第一TRP根据第一指示信息将UE发送的NACK执行
Figure PCTCN2018113677-appb-000028
操作得到NACK发送给第二TRP。
Specifically, the first TRP executes the NACK sent by the UE according to the first indication information
Figure PCTCN2018113677-appb-000028
The operation gets NACK and sends it to the second TRP.
S1140、当第一PDSCH传输信息解码成功,第二PDSCH传输信息解码失败时,UE发送NACK和第二指示信息给第一TRP,然后,第一TRP发送NACK给第二TRP。S1140. When the decoding of the first PDSCH transmission information is successful and the decoding of the second PDSCH transmission information fails, the UE sends a NACK and second indication information to the first TRP, and then, the first TRP sends a NACK to the second TRP.
具体地,第一TRP根据第二指示信息将UE发送的NACK执行
Figure PCTCN2018113677-appb-000029
操作得到NACK发送给第二TRP,第一TRP根据第二指示信息将UE发送的NACK执行
Figure PCTCN2018113677-appb-000030
操作得到ACK作为第一TRP的反馈信号。
Specifically, the first TRP executes the NACK sent by the UE according to the second indication information
Figure PCTCN2018113677-appb-000029
The operation gets a NACK and sends it to the second TRP. The first TRP executes the NACK sent by the UE according to the second indication information.
Figure PCTCN2018113677-appb-000030
The operation obtains ACK as the feedback signal of the first TRP.
S1150、当第一PDSCH传输信息解码失败,第二PDSCH传输信息解码成功时,UE发送ACK和第二指示信息给第一TRP,然后,第一TRP发送ACK给第二TRP。S1150. When the decoding of the first PDSCH transmission information fails and the decoding of the second PDSCH transmission information succeeds, the UE sends an ACK and second indication information to the first TRP, and then, the first TRP sends an ACK to the second TRP.
具体地,第一TRP根据第二指示信息将UE发送的ACK执行
Figure PCTCN2018113677-appb-000031
操作得到ACK发送给第二TRP,第一TRP根据第二指示信息将UE发送的ACK执行
Figure PCTCN2018113677-appb-000032
操作得到NACK作为第一TRP的反馈信号。
Specifically, the first TRP executes the ACK sent by the UE according to the second indication information
Figure PCTCN2018113677-appb-000031
The operation gets an ACK and sends it to the second TRP. The first TRP executes the ACK sent by the UE according to the second indication information.
Figure PCTCN2018113677-appb-000032
The operation obtains NACK as the feedback signal of the first TRP.
图14示出根据本发明一个实施例的用于信号传输的用户设备,包括:14 shows a user equipment for signal transmission according to an embodiment of the present invention, including:
用于分别接收两个TRP发送的第一信息和第二信息的装置(以下简称“第一接收单元”)1400;An apparatus (hereinafter referred to as a "first receiving unit") 1400 for respectively receiving first information and second information sent by two TRPs;
用于根据对所述第一信息和所述第二信息的解码结果按照预定规则返回第一信号给一个所述TRP,所述预定规则用于指示接收到所述第一信号的所述TRP根据所述第一信号发送第二信号给另一个所述TRP的装置(以下简称“发送单元”)1410;It is used to return a first signal to one TRP according to a predetermined rule according to the decoding results of the first information and the second information, and the predetermined rule is used to indicate that the TRP receiving the first signal is based on The first signal sends a second signal to another TRP device (hereinafter referred to as "transmission unit") 1410;
可选地,当所述第一信号为ACK或NACK中的任意一个时,发送单元1410中包括:Optionally, when the first signal is any one of ACK or NACK, the sending unit 1410 includes:
用于若第一信息和第二信息都解码成功,则返回ACK给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP的装置;或者Means for returning ACK to the first TRP if both the first information and the second information are successfully decoded, so that the first TRP sends the same second signal ACK as the ACK to the second TRP; or
用于若第一信息和第二信息均解码失败,则返回NACK给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP的装置;或者Means for returning NACK to the first TRP if both the first information and the second information fail to be decoded, so that the first TRP sends the same second signal NACK as the NACK to the second TRP; or
用于若第一信息解码失败,第二信息解码成功,则返回ACK给第二TRP,以使所述第二TRP发送与所述ACK相反的第二信号NACK给第一TRP的装置;或者Means for returning ACK to the second TRP if the decoding of the first information fails and the decoding of the second information succeeds, so that the second TRP sends a second signal NACK opposite to the ACK to the first TRP; or
用于若第一信息解码成功,第二信息解码失败,则返回NACK给第二TRP,以使所述第二TRP发送与所述NACK相反的第二信号ACK给第一TRP的装置。A device for returning a NACK to the second TRP if the decoding of the first information succeeds and the decoding of the second information fails, so that the second TRP sends a second signal ACK opposite to the NACK to the first TRP.
可选地,当所述第一信号为ACK和指示信息的组合或NACK和指示信息的组合中的任意一个时,发送单元1410中包括:Optionally, when the first signal is any one of a combination of ACK and indication information or a combination of NACK and indication information, the sending unit 1410 includes:
用于若第一信息和第二信息都解码成功,则返回ACK和第一指示信息给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP的装置;或者Used to return ACK and first indication information to the first TRP if both the first information and the second information are successfully decoded, so that the first TRP sends the same second signal ACK as the ACK to the second TRP Device; or
用于若第一信息和第二信息均解码失败,则返回NACK和第一指示信息给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP的装置;或者It is used to return NACK and first indication information to the first TRP if both the first information and the second information fail to be decoded, so that the first TRP sends the same second signal NACK as the NACK to the second TRP Device; or
用于若第一信息解码成功,第二信息解码失败,则返回ACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述ACK相反的第二信号NACK给第二TRP的装置;或者If the decoding of the first information is successful and the decoding of the second information fails, the ACK and the second indication information are returned to the first TRP, so that the first TRP sends a second signal NACK opposite to the ACK to the second TRP Device; or
用于若第一信息解码失败,第二信息解码成功,则返回NACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述NACK相反的第二信号ACK给第二TRP的装置;或者If the decoding of the first information fails and the decoding of the second information succeeds, NACK and second indication information are returned to the first TRP, so that the first TRP sends a second signal ACK opposite to the NACK to the second TRP Device; or
用于若第一信息解码成功,第二信息解码失败,则返回NACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP的装置;或者It is used to return the NACK and the second indication information to the first TRP if the decoding of the first information is successful and the decoding of the second information fails, so that the first TRP sends the same second signal NACK as the NACK to the second TRP Device; or
用于若第一信息解码失败,第二信息解码成功,则返回ACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP的装置。If the decoding of the first information fails and the decoding of the second information succeeds, ACK and second indication information are returned to the first TRP, so that the first TRP sends the same second signal ACK as the ACK to the second TRP installation.
图15示出根据本发明一个实施例的用于信号传输的基站,包括:15 shows a base station for signal transmission according to an embodiment of the present invention, including:
用于接收UE根据接收到的两个TRP发送的第一信息和第二信息的解码结果按照预定规则发送的第一信号的装置(以下简称“第二接收单元”)1500;A device 1500 for receiving a first signal sent by the UE according to the received decoding results of the first information and the second information sent by the two TRPs according to a predetermined rule (hereinafter referred to as "second receiving unit") 1500;
用于根据所述第一信号按照预定规则发送第二信号给另一个所述TRP的装置(以下简称“转发单元”)1510。A device 1510 for sending a second signal to another TRP according to a predetermined rule according to the first signal (hereinafter referred to as "forwarding unit").
可选地,当所述第一信号为ACK或NACK中的任意一个时,转发单元1510中包 括:Optionally, when the first signal is either ACK or NACK, the forwarding unit 1510 includes:
用于发送与第一信号相同的第二信号给另一个所述TRP的装置;或者Means for sending the same second signal as the first signal to another TRP; or
用于发送与第一信号相反的第二信号给另一个所述TRP的装置。A device for sending a second signal opposite to the first signal to another said TRP.
可选地,当所述第一信号为ACK和指示信息的组合或NACK和指示信息的组合中的任意一个时,转发单元1510中包括:Optionally, when the first signal is any one of a combination of ACK and indication information or a combination of NACK and indication information, the forwarding unit 1510 includes:
用于根据第一指示信息发送与所述第一信号相同的第二信号给另一个所述TRP的装置;或者Means for sending a second signal identical to the first signal to another TRP according to the first indication information; or
用于根据第二指示信息发送与所述第一信号相同的第二信号给另一个所述TRP的装置;或者Means for sending a second signal identical to the first signal to another TRP according to the second indication information; or
用于根据第二指示信息发送与所述第一信号相反的第二信号给另一个所述TRP的装置。A device for sending a second signal opposite to the first signal to another TRP according to second indication information.
可选地,基站还包括:Optionally, the base station further includes:
用于预先配置第一信号和第二信号的检测窗口的装置。A device for pre-configuring the detection windows of the first signal and the second signal.
可选地,基站还包括:Optionally, the base station further includes:
用于若第一信号和/或第二信号中包含指示HARQ的标识信息,则根据所述标识信息确定每个HARQ对应的信号的装置。A device for determining a signal corresponding to each HARQ according to the identification information if the first signal and / or the second signal includes identification information indicating HARQ.
本实施例提出的用于信号传输的装置,在多TRP传输中,两个TRP可以通过回程共享用户的信息,UE选择目标TRP并使用其相关配置在上行链路中发送ACK/NACK,尽管两个TPR均监视UE上行链路控制信道,但是仅一个TRP可以通过其配置的信息对ACK/NACK信息进行解码。本实施例可以支持两个PDSCH传输,只有一位ACK/NACK反馈有效,不仅可以减少上行链路开销,还可以节省UE的发射功率。可以根据用户链路的条件动态或半动态配置预定规则,并采用传统的交互方式作为补充。例如,对于密集小区,所有链路都具有高质量,本申请的实施例可以直接使用。对于大型小区,如果所有链路中存在不同的信道质量,则使用传统的ACK/NACK反馈方式。本实施例中每个链路参数可以灵活的选择ACK/NACK反馈,例如,对于每个链路具有不同的功率控制参数可用于优化上行链路性能。本实施例还可以用于基于不同级别代码块(CBG)的ACK/NACK和重传过程,两个TRP可以配置为基于CBG传输,可以基于类似的原理对反馈进行异或。一种优选的解决方案是基于CBG内的最大ACK来选择TRP。In the device for signal transmission proposed in this embodiment, in multi-TRP transmission, two TRPs can share user information through the backhaul. The UE selects the target TRP and uses its related configuration to send ACK / NACK in the uplink, although both Each TPR monitors the UE's uplink control channel, but only one TRP can decode ACK / NACK information through its configured information. This embodiment can support two PDSCH transmissions, and only one ACK / NACK feedback is effective, which can not only reduce the uplink overhead, but also save the transmission power of the UE. The predetermined rules can be dynamically or semi-dynamically configured according to the conditions of the user link, and supplemented by traditional interaction methods. For example, for dense cells, all links have high quality, and the embodiments of the present application can be used directly. For large cells, if there are different channel qualities in all links, the traditional ACK / NACK feedback method is used. In this embodiment, each link parameter can flexibly select ACK / NACK feedback. For example, different power control parameters for each link can be used to optimize uplink performance. This embodiment can also be used for ACK / NACK and retransmission processes based on different levels of code blocks (CBGs). The two TRPs can be configured for CBG transmission, and XOR can be used for feedback based on similar principles. A preferred solution is to select TRP based on the maximum ACK in CBG.
需要注意的是,本发明可在软件和/或软件与硬件的组合体中被实施,例如,可采用专用集成电路(ASIC)、通用目的计算机或任何其他类似硬件设备来实现。在一个实施例中,本发明的软件程序可以通过处理器执行以实现上文所述步骤或功能。同样地,本发明的软件程序(包括相关的数据结构)可以被存储到计算机可读记录介质中,例如,RAM存储器,磁或光驱动器或软磁盘及类似设备。另外,本发明的一些步骤或功能可采用硬件来实现,例如,作为与处理器配合从而执行各个步骤或功能的电路。It should be noted that the present invention may be implemented in software and / or a combination of software and hardware. For example, it may be implemented by an application specific integrated circuit (ASIC), a general purpose computer, or any other similar hardware device. In one embodiment, the software program of the present invention may be executed by a processor to implement the steps or functions described above. Similarly, the software program of the present invention (including related data structures) can be stored in a computer-readable recording medium, such as a RAM memory, a magnetic or optical drive or a floppy disk, and the like. In addition, some steps or functions of the present invention may be implemented by hardware, for example, as a circuit that cooperates with a processor to perform various steps or functions.
另外,本发明的一部分可被应用为计算机程序产品,例如计算机程序指令,当其被计算机执行时,通过该计算机的操作,可以调用或提供根据本发明的方法和/或技术方案。而调用本发明的方法的程序指令,可能被存储在固定的或可移动的记录介质中,和/或通过广播或其他信号承载媒体中的数据流而被传输,和/或被存储在根据所述程序指令运行的计算机设备的工作存储器中。在此,根据本发明的一个实施例包括一个装置,该装置包括用于存储计算机程序指令的存储器和用于执行程序指令的处理器,其中,当该计算机程序指令被该处理器执行时,触发该装置运行基于前述根据本发明的多个实施例的方法和/或技术方案。In addition, a part of the present invention can be applied as a computer program product, such as computer program instructions, and when it is executed by a computer, the method and / or technical solution according to the present invention can be invoked or provided through the operation of the computer. The program instructions for invoking the method of the present invention may be stored in a fixed or removable recording medium, and / or transmitted through a data stream in a broadcast or other signal-bearing medium, and / or stored in accordance with The program instructions run in the working memory of the computer device. Here, an embodiment according to the present invention includes an apparatus including a memory for storing computer program instructions and a processor for executing program instructions, wherein, when the computer program instructions are executed by the processor, trigger The operation of the device is based on the aforementioned methods and / or technical solutions according to various embodiments of the invention.
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化涵括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。此外,显然“包括”一词不排除其他单元或步骤,单数不排除复数。系统权利要求中陈述的多个单元或装置也可以由一个单元或装置通过软件或者硬件来实现。第一,第二等词语用来表示名称,而并不表示任何特定的顺序。It will be apparent to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present invention is defined by the appended claims rather than the above description, and is therefore intended to fall within the claims All changes within the meaning and scope of the equivalent requirements are included in the present invention. Any reference signs in the claims should not be considered as limiting the claims involved. In addition, it is clear that the word "include" does not exclude other units or steps, and the singular does not exclude the plural. Multiple units or devices stated in the system claims can also be implemented by one unit or device through software or hardware. The first and second words are used to indicate names, but do not indicate any particular order.

Claims (18)

  1. 一种信号的传输方法,其中,包括:A signal transmission method, which includes:
    分别接收两个TRP发送的第一信息和第二信息;Receive the first information and the second information sent by two TRPs respectively;
    根据对所述第一信息和所述第二信息的解码结果按照预定规则返回第一信号给一个所述TRP,所述预定规则用于指示接收到所述第一信号的所述TRP根据所述第一信号发送第二信号给另一个所述TRP。Returning a first signal to one of the TRP according to a predetermined rule according to the decoding results of the first information and the second information, the predetermined rule is used to indicate that the TRP receiving the first signal according to the The first signal sends a second signal to another TRP.
  2. 根据权利要求1所述的方法,当所述第一信号为ACK或NACK中的任意一个时,所述根据对所述第一信息和所述第二信息的解码结果按照预定规则返回第一信号给一个所述TRP包括,The method according to claim 1, when the first signal is any one of ACK or NACK, the first signal is returned according to a predetermined rule according to a decoding result of the first information and the second information For one of the TRP includes,
    若第一信息和第二信息都解码成功,则返回ACK给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP;或者If both the first information and the second information are successfully decoded, an ACK is returned to the first TRP, so that the first TRP sends the same second signal ACK as the ACK to the second TRP; or
    若第一信息和第二信息均解码失败,则返回NACK给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP;或者If the decoding of both the first information and the second information fails, a NACK is returned to the first TRP, so that the first TRP sends the same second signal NACK as the NACK to the second TRP; or
    若第一信息解码失败,第二信息解码成功,则返回ACK给第二TRP,以使所述第二TRP发送与所述ACK相反的第二信号NACK给第一TRP;或者If the decoding of the first information fails and the decoding of the second information succeeds, an ACK is returned to the second TRP, so that the second TRP sends a second signal NACK opposite to the ACK to the first TRP; or
    若第一信息解码成功,第二信息解码失败,则返回NACK给第二TRP,以使所述第二TRP发送与所述NACK相反的第二信号ACK给第一TRP。If the decoding of the first information is successful and the decoding of the second information fails, a NACK is returned to the second TRP, so that the second TRP sends a second signal ACK opposite to the NACK to the first TRP.
  3. 根据权利要求1所述的方法,当所述第一信号为ACK和指示信息的组合或NACK和指示信息的组合中的任意一个时,所述根据对所述第一信息和所述第二信息的解码结果按照预定规则返回第一信号给一个所述TRP包括,The method according to claim 1, when the first signal is any one of a combination of ACK and indication information or a combination of NACK and indication information, the pair of the first information and the second information The decoding result of returning a first signal to a TRP according to a predetermined rule includes,
    若第一信息和第二信息都解码成功,则返回ACK和第一指示信息给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP;或者If both the first information and the second information are successfully decoded, return ACK and first indication information to the first TRP, so that the first TRP sends the same second signal ACK as the ACK to the second TRP; or
    若第一信息和第二信息均解码失败,则返回NACK和第一指示信息给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP;或者If the decoding of both the first information and the second information fails, return NACK and first indication information to the first TRP, so that the first TRP sends the same second signal NACK as the NACK to the second TRP;
    若第一信息解码成功,第二信息解码失败,则返回ACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述ACK相反的第二信号NACK给第二TRP;或者If the decoding of the first information is successful and the decoding of the second information fails, the ACK and the second indication information are returned to the first TRP, so that the first TRP sends a second signal NACK opposite to the ACK to the second TRP; or
    若第一信息解码失败,第二信息解码成功,则返回NACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述NACK相反的第二信号ACK给第二TRP;或者If the decoding of the first information fails and the decoding of the second information succeeds, NACK and second indication information are returned to the first TRP, so that the first TRP sends a second signal ACK opposite to the NACK to the second TRP; or
    若第一信息解码成功,第二信息解码失败,则返回NACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP;或者If the decoding of the first information succeeds, and the decoding of the second information fails, return NACK and second indication information to the first TRP, so that the first TRP sends the same second signal NACK as the NACK to the second TRP; or
    若第一信息解码失败,第二信息解码成功,则返回ACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP。If the decoding of the first information fails and the decoding of the second information succeeds, the ACK and the second indication information are returned to the first TRP, so that the first TRP sends the same second signal ACK as the ACK to the second TRP.
  4. 根据权利要求1所述的方法,所述预定规则还包括,The method according to claim 1, the predetermined rule further comprising,
    为每个TRP预先配置第一信号和第二信号的检测窗口。The detection windows of the first signal and the second signal are pre-configured for each TRP.
  5. 根据权利要求4所述的方法,所述第一信号和第二信号包括,The method of claim 4, the first signal and the second signal comprising,
    用于指示每个HARQ的标识信息。The identification information used to indicate each HARQ.
  6. 一种信号的传输方法,还包括,A signal transmission method, further including,
    接收UE根据接收到的两个TRP发送的第一信息和第二信息的解码结果按照预定规则发送的第一信号;Receiving the first signal sent by the UE according to the decoding results of the received first information and second information sent by the two TRPs according to a predetermined rule;
    根据所述第一信号按照预定规则发送第二信号给另一个所述TRP。According to the first signal, a second signal is sent to another TRP according to a predetermined rule.
  7. 根据权利要求6所述的方法,当所述第一信号为ACK或NACK中的任意一个时,所述根据所述第一信号按照预定规则发送第二信号给另一个所述TRP包括,The method according to claim 6, when the first signal is any one of ACK or NACK, the sending a second signal to another TRP according to a predetermined rule according to the first signal includes,
    发送与第一信号相同的第二信号给另一个所述TRP;或者Send the same second signal as the first signal to another TRP; or
    发送与第一信号相反的第二信号给另一个所述TRP。A second signal opposite to the first signal is sent to another said TRP.
  8. 根据权利要求6所述的方法,当所述第一信号为ACK和指示信息的组合或NACK和指示信息的组合中的任意一个时,所述根据所述第一信号按照预定规则发送第二信号给另一个所述TRP包括,The method according to claim 6, when the first signal is any one of a combination of ACK and indication information or a combination of NACK and indication information, the second signal is transmitted according to a predetermined rule according to the first signal To another said TRP includes,
    根据第一指示信息发送与所述第一信号相同的第二信号给另一个所述TRP;或者Sending a second signal identical to the first signal to another TRP according to the first indication information; or
    根据第二指示信息发送与所述第一信号相同的第二信号给另一个所述TRP;或者Sending a second signal identical to the first signal to another TRP according to the second instruction information; or
    根据第二指示信息发送与所述第一信号相反的第二信号给另一个所述TRP。Sending a second signal opposite to the first signal to another TRP according to the second instruction information.
  9. 根据权利要求6所述的方法,还包括,The method of claim 6, further comprising,
    预先配置第一信号和第二信号的检测窗口。The detection windows of the first signal and the second signal are pre-configured.
  10. 根据权利要求9所述的方法,还包括,The method of claim 9, further comprising,
    若第一信号和/或第二信号中包含指示HARQ的标识信息,则根据所述标识信息确定每个HARQ对应的信号。If the first signal and / or the second signal include identification information indicating HARQ, a signal corresponding to each HARQ is determined according to the identification information.
  11. 一种用于信号传输的用户设备,其中,包括:A user equipment for signal transmission, including:
    用于分别接收两个TRP发送的第一信息和第二信息的装置;Means for respectively receiving the first information and the second information sent by two TRPs;
    用于根据对所述第一信息和所述第二信息的解码结果按照预定规则返回第一信号给一个所述TRP,所述预定规则用于指示接收到所述第一信号的所述TRP根据所述第一信号发送第二信号给另一个所述TRP的装置。It is used to return a first signal to one TRP according to a predetermined rule according to the decoding results of the first information and the second information, and the predetermined rule is used to indicate that the TRP receiving the first signal is based on The first signal sends a second signal to another device of the TRP.
  12. 根据权利要求11所述的用户设备,当所述第一信号为ACK或NACK中的任意一个时,所述用于根据对所述第一信息和所述第二信息的解码结果按照预定规则返回第一信号给一个所述TRP,所述预定规则用于指示接收到所述第一信号的所述TRP根据所述第一信号发送第二信号给另一个所述TRP的装置包括,The user equipment according to claim 11, when the first signal is any one of ACK or NACK, the means for returning the decoding result of the first information and the second information according to a predetermined rule The first signal is to one TRP, and the predetermined rule is used to instruct the TRP that receives the first signal to send a second signal to another TRP according to the first signal.
    用于若第一信息和第二信息都解码成功,则返回ACK给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP的装置;或者Means for returning ACK to the first TRP if both the first information and the second information are successfully decoded, so that the first TRP sends the same second signal ACK as the ACK to the second TRP; or
    用于若第一信息和第二信息均解码失败,则返回NACK给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP的装置;或者Means for returning NACK to the first TRP if both the first information and the second information fail to be decoded, so that the first TRP sends the same second signal NACK as the NACK to the second TRP; or
    用于若第一信息解码失败,第二信息解码成功,则返回ACK给第二TRP,以使所述第二TRP发送与所述ACK相反的第二信号NACK给第一TRP的装置;或者Means for returning ACK to the second TRP if the decoding of the first information fails and the decoding of the second information succeeds, so that the second TRP sends a second signal NACK opposite to the ACK to the first TRP; or
    用于若第一信息解码成功,第二信息解码失败,则返回NACK给第二TRP,以使所述第二TRP发送与所述NACK相反的第二信号ACK给第一TRP的装置。A device for returning a NACK to the second TRP if the decoding of the first information succeeds and the decoding of the second information fails, so that the second TRP sends a second signal ACK opposite to the NACK to the first TRP.
  13. 根据权利要求11所述的用户设备,当所述第一信号为ACK和指示信息的组 合或NACK和指示信息的组合中的任意一个时,所述用于根据对所述第一信息和所述第二信息的解码结果按照预定规则返回第一信号给一个所述TRP,所述预定规则用于指示接收到所述第一信号的所述TRP根据所述第一信号发送第二信号给另一个所述TRP的装置包括,The user equipment according to claim 11, when the first signal is any one of a combination of ACK and indication information or a combination of NACK and indication information, the The decoding result of the second information returns a first signal to one TRP according to a predetermined rule, and the predetermined rule is used to instruct the TRP that receives the first signal to send a second signal to another according to the first signal The TRP device includes,
    用于若第一信息和第二信息都解码成功,则返回ACK和第一指示信息给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP的装置;或者Used to return ACK and first indication information to the first TRP if both the first information and the second information are successfully decoded, so that the first TRP sends the same second signal ACK as the ACK to the second TRP Device; or
    用于若第一信息和第二信息均解码失败,则返回NACK和第一指示信息给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP的装置;或者It is used to return NACK and first indication information to the first TRP if both the first information and the second information fail to be decoded, so that the first TRP sends the same second signal NACK as the NACK to the second TRP Device; or
    用于若第一信息解码成功,第二信息解码失败,则返回ACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述ACK相反的第二信号NACK给第二TRP的装置;或者If the decoding of the first information is successful and the decoding of the second information fails, the ACK and the second indication information are returned to the first TRP, so that the first TRP sends a second signal NACK opposite to the ACK to the second TRP Device; or
    用于若第一信息解码失败,第二信息解码成功,则返回NACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述NACK相反的第二信号ACK给第二TRP的装置或者If the decoding of the first information fails and the decoding of the second information succeeds, NACK and second indication information are returned to the first TRP, so that the first TRP sends a second signal ACK opposite to the NACK to the second TRP Device or
    用于若第一信息解码成功,第二信息解码失败,则返回NACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述NACK相同的第二信号NACK给第二TRP的装置;或者It is used to return the NACK and the second indication information to the first TRP if the decoding of the first information is successful and the decoding of the second information fails, so that the first TRP sends the same second signal NACK as the NACK to the second TRP Device; or
    用于若第一信息解码失败,第二信息解码成功,则返回ACK和第二指示信息给第一TRP,以使所述第一TRP发送与所述ACK相同的第二信号ACK给第二TRP的装置。If the decoding of the first information fails and the decoding of the second information succeeds, ACK and second indication information are returned to the first TRP, so that the first TRP sends the same second signal ACK as the ACK to the second TRP installation.
  14. 一种用于信号传输的基站,还包括,A base station for signal transmission, further comprising,
    用于接收UE根据接收到的两个TRP发送的第一信息和第二信息的解码结果按照预定规则发送的第一信号的装置;A device for receiving a first signal sent by the UE according to the decoding results of the received first information and second information sent by the two TRPs according to a predetermined rule;
    用于根据所述第一信号按照预定规则发送第二信号给另一个所述TRP的装置。A device for sending a second signal to another TRP according to a predetermined rule according to the first signal.
  15. 根据权利要求14所述的基站,当所述第一信号为ACK或NACK中的任意一个时,所述用于根据所述第一信号按照预定规则发送第二信号给另一个所述TRP的装 置包括,The base station according to claim 14, when the first signal is any one of ACK or NACK, the device for sending a second signal to another TRP according to a predetermined rule according to the first signal include,
    用于发送与第一信号相同的第二信号给另一个所述TRP的装置;或者Means for sending the same second signal as the first signal to another TRP; or
    用于发送与第一信号相反的第二信号给另一个所述TRP的装置。A device for sending a second signal opposite to the first signal to another said TRP.
  16. 根据权利要求14所述的基站,当所述第一信号为ACK和指示信息的组合或NACK和指示信息的组合中的任意一个时,所述用于根据所述第一信号按照预定规则发送第二信号给另一个所述TRP的装置包括,The base station according to claim 14, when the first signal is any one of a combination of ACK and indication information or a combination of NACK and indication information, the The second signal to another TRP device includes,
    用于根据第一指示信息发送与所述第一信号相同的第二信号给另一个所述TRP的装置;或者Means for sending a second signal identical to the first signal to another TRP according to the first indication information; or
    用于根据第二指示信息发送与所述第一信号相同的第二信号给另一个所述TRP的装置;或者Means for sending a second signal identical to the first signal to another TRP according to the second indication information; or
    用于根据第二指示信息发送与所述第一信号相反的第二信号给另一个所述TRP的装置。A device for sending a second signal opposite to the first signal to another TRP according to second indication information.
  17. 根据权利要求14所述的基站,还包括,The base station according to claim 14, further comprising,
    用于预先配置第一信号和第二信号的检测窗口的装置。A device for pre-configuring the detection windows of the first signal and the second signal.
  18. 根据权利要求17所述的基站,还包括,The base station according to claim 17, further comprising,
    用于若第一信号和/或第二信号中包含指示HARQ的标识信息,则根据所述标识信息确定每个HARQ对应的信号的装置。A device for determining a signal corresponding to each HARQ according to the identification information if the first signal and / or the second signal includes identification information indicating HARQ.
PCT/CN2018/113677 2018-11-02 2018-11-02 Signal transmission method and apparatus WO2020087498A1 (en)

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CN108702793A (en) * 2016-02-22 2018-10-23 Zte维创通讯公司 Dynamic random access response (RAR), which receives, to be terminated
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