WO2020164515A1 - Procédé de transmission de signal, dispositif et système - Google Patents

Procédé de transmission de signal, dispositif et système Download PDF

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Publication number
WO2020164515A1
WO2020164515A1 PCT/CN2020/074873 CN2020074873W WO2020164515A1 WO 2020164515 A1 WO2020164515 A1 WO 2020164515A1 CN 2020074873 W CN2020074873 W CN 2020074873W WO 2020164515 A1 WO2020164515 A1 WO 2020164515A1
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Prior art keywords
resource
resource set
terminal device
correspondence
network device
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PCT/CN2020/074873
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English (en)
Chinese (zh)
Inventor
吴昱民
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维沃移动通信有限公司
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Publication of WO2020164515A1 publication Critical patent/WO2020164515A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Definitions

  • the embodiments of the present disclosure relate to the field of communication technologies, and in particular, to a signal transmission method, device, and system.
  • the mobility process of a user equipment can be a process in which the UE initiates a target cell handover, or the UE initiates a secondary cell group (Secondary Cell Group, SCG) handover (change).
  • the UE can initiate a random access process.
  • the UE may carry the random access request message in a physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) and send it to the network device.
  • PUSCH Physical Uplink Shared Channel
  • the network device may send a random access response message to the UE, so that the UE can access the network device.
  • the network device may send the random access response message to the UE in multiple beams, but because the UE cannot determine which beam the network device sends the random access response message on Therefore, the UE may not be able to successfully receive the random access response message sent by the network device, and the UE may not be able to successfully access the network device.
  • the embodiments of the present disclosure provide a signal transmission method, device, and system to solve the problem that the UE cannot successfully receive the random access response message sent by the network device when the network device sends random access response messages to the UE in multiple beams in the prior art.
  • the problem of failing to successfully access the network device after accessing the response message is a problem that the UE cannot successfully receive the random access response message sent by the network device when the network device sends random access response messages to the UE in multiple beams in the prior art.
  • the embodiments of the present disclosure provide a signal transmission method, which is applied to a terminal device, and the method includes: determining a first beam; sending a signal to a network device on a first resource in a first resource set corresponding to the first beam Send a first uplink signal, where the first uplink signal is an uplink signal carried on the data channel.
  • embodiments of the present disclosure provide a signal transmission method applied to a network device.
  • the method includes: configuring target configuration information for a terminal device; wherein the target configuration information is used to at least indicate a first correspondence relationship, and the first correspondence The relationship is used to indicate that the first beam corresponds to the first resource set, and the first uplink signal on the first resource in the first resource set is the uplink signal carried on the data channel.
  • an embodiment of the present disclosure provides a terminal device, including: a determining module, configured to determine a first beam; a transmitting module, configured to determine the first beam in the first resource set corresponding to the first beam determined by the determining module In terms of resources, the first uplink signal is sent to the network device, and the first uplink signal is the uplink signal carried on the data channel.
  • embodiments of the present disclosure provide a network device, including: a configuration module, configured to configure target configuration information for a terminal device; wherein the target configuration information is used to indicate at least a first correspondence, and the first correspondence is used to It indicates that the first beam corresponds to the first resource set, and the first uplink signal on the first resource in the first resource set is the uplink signal carried on the data channel.
  • the embodiments of the present disclosure provide a terminal device, including a processor, a memory, and a computer program stored on the memory and capable of running on the processor, the computer program being executed by the processor When realizing the steps of the signal transmission method as described in the first aspect.
  • the embodiments of the present disclosure provide a network device, including a processor, a memory, and a computer program stored on the memory and capable of running on the processor.
  • a network device including a processor, a memory, and a computer program stored on the memory and capable of running on the processor.
  • the computer program is executed by the processor, The steps of the signal transmission method as described in the second aspect are implemented.
  • embodiments of the present disclosure provide a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, the steps of the above-mentioned signal transmission method are implemented.
  • the terminal device may determine the first beam; and send the first uplink signal to the network device on the first resource of the first resource set corresponding to the first beam, and the first uplink signal is carried on the data channel Uplink signal.
  • the network device can receive the first uplink signal sent by the terminal device on the first beam, and select the first beam from the multiple beams to use the first beam (ie, the second beam) on the second resource corresponding to the
  • the first downlink signal is sent to the terminal device; in turn, the terminal device can successfully receive the first downlink signal from the first beam. Therefore, the probability of successfully receiving the downlink signal in the multi-beam after the terminal device uses the data channel to send the uplink signal to the network device can be improved.
  • FIG. 1 is a schematic diagram of a possible structure of a communication system involved in an embodiment of the disclosure
  • FIG. 3 is a second schematic flowchart of a signal transmission method provided by an embodiment of the disclosure.
  • FIG. 5 is one of the schematic structural diagrams of a terminal device provided by an embodiment of the disclosure.
  • FIG. 6 is one of the schematic structural diagrams of a network device provided by an embodiment of the disclosure.
  • FIG. 7 is the second structural diagram of a terminal device provided by an embodiment of the disclosure.
  • FIG. 8 is the second structural diagram of a network device provided by an embodiment of the disclosure.
  • the words “first”, “second”, etc. are used for the same items or similar items that have basically the same function or effect.
  • words such as “first” and “second” do not limit the number and execution order.
  • the first beam and the second beam are used to distinguish different beams, rather than to describe a specific order of beams.
  • RACH-less handover includes the following steps:
  • Step 1 During the mobility of a terminal device (such as a UE), the terminal device can send an uplink signal in the target cell according to the transmission resource information of the data channel configured by the network device.
  • the network device will indicate the maximum time advance (TA) value of the uplink signal sent by the terminal device in the target cell, for example, the TA value is the same as the source cell, or the TA value is "0".
  • the foregoing RACH-less handover may be that the terminal device initiates a target cell handover, or the terminal device initiates a secondary cell group (Secondary Cell Group, SCG) handover (change).
  • SCG Secondary Cell Group
  • Step 2 After the terminal device receives the contention resolution ID (Contention Resolution ID) information scheduled by the Cell Radio Network Temporary Identifier (C-RNTI) sent by the network device, it considers that the mobility process is successful. For example, the target cell handover initiated by the terminal device succeeds, or the SCG change initiated by the terminal device succeeds.
  • contention resolution ID Contention Resolution ID
  • C-RNTI Cell Radio Network Temporary Identifier
  • the network device may configure the transmission resource information of the data channel for the terminal device, such as the uplink grant (UL grant) of the physical uplink shared channel (Physical Uplink Shared Channel, PUSCH).
  • the terminal device may carry the random access request message in the PUSCH and send it to the network device.
  • the network device may send a random access response message to the terminal device, so that the terminal device can access the network device.
  • the signal transmission method provided in the implementation of this application can be applied to a process in which a terminal device and a network device transmit signals on multiple beams, such as a process in which a terminal device receives a downlink signal from a network device in multiple beams.
  • the network device may send the random access response message to the terminal device in multiple beams, so that the terminal device is in the multiple beams Receive a random access response message from the network device.
  • the prior art only supports the terminal device to select the specific beam corresponding to the PRACH resource in the process of random access initiated by the terminal device through the Physical Random Access Channel (PRACH); and when the network device is in multi-beam
  • the random access response information is received from the network device through the downlink channel corresponding to the specific beam.
  • the terminal device initiates random access through PUSCH
  • the terminal device will not choose to send the random access request message on a specific beam, so the subsequent terminal device cannot determine which beam of the multiple beams the network device sends on. Random access response message.
  • the terminal device may not be able to successfully receive the random access response message sent by the network device.
  • embodiments of the present disclosure provide a signal transmission method, device, and system.
  • the terminal device can determine the first beam; and send the first uplink to the network device on the first resource of the first resource set corresponding to the first beam.
  • Signal, the first uplink signal is an uplink signal carried on the data channel.
  • the network device can receive the first uplink signal sent by the terminal device on the first beam, and select the first beam from the multiple beams to use the first beam (ie, the second beam) on the second resource corresponding to the first downlink signal is sent to the terminal device; in turn, the terminal device can successfully receive the first downlink signal from the first beam. Therefore, the probability of successfully receiving the downlink signal in the multi-beam after the terminal device uses the data channel to send the uplink signal to the network device can be improved.
  • the terminal device when the terminal device initiates the random access process through the PUSCH, the terminal device can send a random access request to the network device on the PUSCH resource corresponding to the first beam; so that the network device can select the first beam from multiple beams, And on the downlink resource corresponding to the first beam, a random access response message is sent to the terminal device; further, the terminal device can select the first beam from the multiple beams, and successfully receive the random access on the first beam Incoming response message.
  • the network device sends random access response messages to the terminal device in multiple beams, the terminal device cannot successfully receive the random access response message sent by the network device and cannot successfully access the network. The problem with the device.
  • the technical solutions provided in this application can be applied to various communication systems, for example, 5G communication systems, future evolution systems, or multiple communication convergence systems, and so on. It can include multiple application scenarios, such as machine to machine (Machine to Machine, M2M), D2M, macro and micro communications, enhanced Mobile Broadband (eMBB), ultra-high reliability and ultra-low latency communications (ultra Reliable & Low Latency Communication (uRLLC) and Massive Machine Type Communication (mMTC) and other scenarios. These scenarios include, but are not limited to: communication between a terminal device and a terminal device, or a communication between a network device and a network device, or a communication between a network device and a terminal device, and other scenarios.
  • the embodiments of the present disclosure can be applied to communication between a network device and a terminal device in a 5G communication system, or a communication between a terminal device and a terminal device, or a communication between a network device and a network device.
  • Fig. 1 shows a schematic diagram of a possible structure of a communication system involved in an embodiment of the present disclosure.
  • the communication system includes at least one network device 100 (only one is shown in FIG. 1) and one or more terminal devices 200 connected to each network device 100.
  • the aforementioned network device 100 may be a base station, a core network device, a transmission and reception point (Transmission and Reception Point, TRP), a relay station, or an access point.
  • the network device 100 may be a base transceiver station (BTS) in a global system for mobile communication (GSM) or a code division multiple access (Code Division Multiple Access, CDMA) network, or it may be a broadband
  • the NB (NodeB) in Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA) may also be the eNB or eNodeB (evolutional NodeB) in Long Term Evolution (LTE).
  • the network device 100 may also be a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN) scenario.
  • the network device 100 may also be a network device in a 5G communication system or a network device in a future evolution network. However, the wording does not constitute a restriction on this application.
  • the terminal device 200 may be a wireless terminal device or a wired terminal device.
  • the wireless terminal device may be a device that provides voice and/or other service data connectivity to users, a handheld device with wireless communication function, a computing device, or a wireless Other modem processing equipment, vehicle-mounted equipment, wearable equipment, terminal equipment in the future 5G network or terminal equipment in the future evolved PLMN network, etc.
  • a wireless terminal device can communicate with one or more core networks via a radio access network (RAN).
  • the wireless terminal device can be a mobile terminal device, such as a mobile phone (or “cellular” phone) and a mobile phone.
  • the computer of the terminal device can be a portable, pocket-sized, handheld, built-in computer or vehicle-mounted mobile device, which exchanges language and/or data with the wireless access network, and personal communication service (PCS) Telephones, cordless phones, Session Initiation Protocol (SIP) phones, wireless local loop (Wireless Local Loop, WLL) stations, personal digital assistants (Personal Digital Assistant, PDA) and other equipment, wireless terminal equipment can also be mobile Equipment, UE, UE terminal equipment, access terminal equipment, wireless communication equipment, terminal equipment unit, terminal equipment station, mobile station (Mobile Station), mobile station (Mobile), remote station (Remote Station), remote station, remote terminal Equipment (Remote Terminal), Subscriber Unit (Subscriber Unit), Subscriber Station (Subscriber Station), User Agent (User Agent), terminal equipment, etc.
  • FIG. 1 shows that the terminal device is a mobile phone as an example.
  • FIG. 2 shows a schematic flow chart of a signal transmission method provided by an embodiment of the present disclosure.
  • the signal transmission method may include step 201 and step 202:
  • Step 201 The terminal device determines the first beam.
  • the terminal device and the network device can transmit signals on multiple beams, and the terminal device can select one beam from the multiple beams to determine the first beam.
  • a beam may be identified by one or more signals corresponding to it, and the one or more signals may include at least one of the following: channel state information reference signals (CSI-RS), synchronization signal block (Synchronisation signal block, SSB) (SSB can also be called: SS block).
  • CSI-RS channel state information reference signals
  • SSB Synchronization signal block
  • SSB can also be called: SS block
  • Step 202 The terminal device sends a first uplink signal to the network device on the first resource of the first resource set corresponding to the first beam, where the first uplink signal is an uplink signal carried on a data channel.
  • the network device may receive the first uplink signal from the terminal device on the first resource in the first resource set corresponding to the first beam.
  • the first resource is one of one or more resources included in the first resource set, and one or more resources in the first resource set may all be data channel transmission resources, that is, uplink resources.
  • the above-mentioned data channel may be PUSCH; the resource (such as the first resource) in the above-mentioned first resource set may be a PUSCH resource; and the above-mentioned first beam may be a beam corresponding to the PUSCH resource.
  • the first uplink signal may be a random access request message carried on the PUSCH resource.
  • the terminal device may determine the first beam according to the information issued by the network device.
  • the above step 201 can be implemented through step 201-1:
  • Step 201-1 The terminal device determines the first beam according to the target configuration information configured by the network device.
  • the target configuration information is at least used to indicate a first correspondence, and the first correspondence is used to indicate that the first beam corresponds to the first resource set.
  • the signal transmission method provided by the embodiment of the present disclosure may include step 201a:
  • Step 201a The network device configures target configuration information for the terminal device.
  • the target configuration information is used to at least indicate the first correspondence
  • the first correspondence is used to indicate that the first beam corresponds to the first resource set
  • the first uplink signal on the first resource in the first resource set is on the data channel Uplink signal carried.
  • the foregoing step 201a may be performed before the foregoing step 202.
  • the above-mentioned target configuration information includes at least the correspondence between the first beam and the first identifier, and the first identifier is used to indicate the first resource set; where the first identifier is any one of the following: The resource location, the hybrid automatic repeat request (Hybrid Automatic Repeat Req terminal device st, HARQ) process identifier corresponding to the resource in the first resource set, and the identifier indicating the configuration information of the first resource set.
  • the hybrid automatic repeat request Hybrid Automatic Repeat Req terminal device st, HARQ
  • the first identifier is the resource location of the resource in the first resource set
  • the first identifier is the HARQ process identifier corresponding to the resource in the first resource set
  • the first identifier is the identifier of the configuration information of the first resource set.
  • the network device configures a set of configuration information indicating resource sets for each terminal device in the communication system.
  • the network device configures multiple sets of configuration information indicating resource sets for each terminal device in the communication system.
  • the configuration information indicating the first resource set includes resources in the first resource set.
  • the terminal device determines the first resource set after determining the first beam, that is, the resource (such as the first resource) that the terminal device can be in the first resource set
  • the first uplink signal is sent to the network device.
  • the network device receives the first downlink signal, it may be determined that the first downlink signal is carried on the first resource in the first resource set corresponding to the first beam. In this way, the subsequent network device may send a downlink signal to the terminal device on the downlink resource corresponding to the first beam.
  • the first resource is any resource in the first resource set
  • the first resource set is any one of at least one resource set
  • the at least one resource set is a resource set indicated by the uplink authorization configuration information.
  • the uplink authorization configuration information may be configured by the network device for the terminal device.
  • a set of configuration information (such as ulGrantConfig-1) configured by a network device for a terminal device may include multiple PUSCH time-frequency resource information, such as multiple uplink grant configuration information (ie multiple UL grants), each UL grant
  • the grant may include information such as the UL grant resource allocation period, the UL grant starting resource location, and the number of HARQ processes.
  • the process of configuring target configuration information for the terminal device by the network device mentioned above is any one of the following two examples:
  • the network device can configure the terminal device with the corresponding relationship between the UL grant and the beam for accessing the target cell through a radio resource control (Radio Resource Control, RRC) message, that is, the foregoing target configuration information.
  • RRC Radio Resource Control
  • the terminal device triggers the random access process, and selects the resource that carries the random access request message (such as the above-mentioned first resource) according to the first corresponding relationship indicated by the network device configuration target configuration information to send the Random access request message, the random access response message can be received in the beam subsequently.
  • RRC Radio Resource Control
  • the network device can trigger the terminal device to initiate a random access process by sending downlink control information (DCI) information.
  • DCI downlink control information
  • the downlink control information indicates the corresponding relationship between the UL grant and the beam, that is, the target Configuration information.
  • the terminal device selects the resource carrying the random access request information according to the target configuration information configured by the network device to send the random access request information, and can receive the random access response message on the beam.
  • the terminal device may first select the first resource from the first resource set before sending the first uplink signal on the first resource in the first resource set corresponding to the first beam.
  • the first resource includes any one of the following: a resource that is most recently available in the first resource set, a resource that is most recently available and non-contiguous in the first resource set, and a random resource in the continuous resource in the first resource set A resource of choice.
  • the most recently available resource in the first resource set may be the next available "control information transmission resource" starting from the moment when the terminal device triggers the selection of the resource from the first resource set.
  • the foregoing continuous resources may include at least one of the following: time continuous resources (e.g., resources of adjacent slots specified in the agreement), frequency continuous resources (e.g., resources of slots of adjacent physical resource blocks specified in the agreement), Consecutive resources in time and frequency (for example, resources of adjacent slots and adjacent physical resource blocks specified in the protocol).
  • time continuous resources e.g., resources of adjacent slots specified in the agreement
  • frequency continuous resources e.g., resources of slots of adjacent physical resource blocks specified in the agreement
  • Consecutive resources in time and frequency for example, resources of adjacent slots and adjacent physical resource blocks specified in the protocol.
  • the first resource set includes at least one of the following: at least one resource corresponding to a specific time domain position, and at least one resource corresponding to a specific frequency domain position.
  • the first resource set includes at least one resource corresponding to a specific time domain position and at least one resource corresponding to a specific frequency domain position; and in the second application scenario or the first resource set
  • the resources in the first resource set in the three application scenarios are not necessarily resources corresponding to specific time domain positions or resources corresponding to specific frequency domain positions.
  • the resource corresponding to a specific time domain location may be a PUSCH resource of a specific period (for example, the period is 10 milliseconds).
  • the resource corresponding to a specific frequency domain location may be a PUSCH resource corresponding to a specific physical resource block (Physical RB, PRB), a PUSCH resource corresponding to a specific frequency point, or a PUSCH resource corresponding to a specific cell.
  • a PUSCH resource corresponding to a specific physical resource block Physical RB, PRB
  • PRB Physical resource block
  • the target configuration information is used to indicate multiple correspondences, each correspondence is a correspondence between a beam and a resource set, and the first correspondence is one of the multiple correspondences.
  • step 202a can be implemented through step 202b:
  • Step 202b The terminal device determines a first beam according to the target configuration information and the target rule, and the first beam is a beam with a measurement value greater than or equal to a measurement threshold among the multiple beams indicated by the target configuration information.
  • the target rule includes: selecting a beam with a measurement value greater than or equal to a measurement threshold.
  • the terminal device may select the first beam from the multiple beams indicated by the target configuration information to determine the first beam.
  • the measurement value of the aforementioned beam may be a measurement result of a signal in the beam.
  • the measurement value of the beam is a measurement result of the reference signal received power (RSRP) of the SSB in the beam.
  • the foregoing measurement threshold is the ssbRSRP-Threshold for the RSRP measurement result.
  • the measured value of the beam can also be other measurement results, which is not limited here.
  • step 203 may be further included after the above step 202:
  • Step 203 The terminal device receives the first downlink signal from the network device on the second resource corresponding to the second beam, and the first beam is the same as the second beam.
  • the first downlink signal is a signal corresponding to the first uplink signal, a terminal device specific downlink data channel signal, or a terminal device specific downlink control channel signal.
  • the network device may send the first downlink signal to the terminal device on the second resource corresponding to the second beam.
  • the aforementioned second resource is a downlink resource.
  • the first downlink signal when the first downlink signal is a signal corresponding to the first uplink signal, the first downlink signal may be scheduling information of a random access response message (for example, PDCCH corresponding to RAR), or random access Incoming response message (eg, PDSCH corresponding to RAR).
  • the first downlink signal may be feedback information for the first uplink signal, such as C-RNTI scheduling information carried on the PDCCH corresponding to the second beam.
  • the specific downlink data channel signal of the terminal device may be a signal carried by the data channel of the terminal device, for example, a subsequent network device sends a signal carried by a corresponding PDSCH for the terminal device data.
  • the terminal device specific downlink control channel signal may be the scheduling information of the terminal device data channel, such as the signal carried by the PDCCH corresponding to the PDSCH that the subsequent terminal device transmits.
  • RAR Random Access Response
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • the foregoing first downlink signal may include multiple items of a signal corresponding to the first uplink signal, a terminal device specific downlink data channel signal, or a terminal device specific downlink control channel signal.
  • the second beam may correspond to a second resource set, and the second resource set includes the second resource.
  • the process for the network device to select the second resource from the second resource set can refer to the above-mentioned related description of the terminal device selecting the first resource from the first resource set.
  • step 204 and step 205 may be further included after the above step 203:
  • Step 204 The terminal device receives target indication information from the network device, where the target indication information is used to indicate that the second beam corresponding to the first downlink signal has been updated to the third beam.
  • the network device can send target indication information to the terminal device.
  • Step 205 The terminal device updates the first target correspondence stored in the terminal device to the second target correspondence according to the target indication information.
  • the first target correspondence is the correspondence between the second beam and the first downlink signal
  • the second target correspondence is the correspondence between the third beam and the first downlink signal
  • the subsequent resource carrying the downlink signal may be the same or different from the second resource.
  • the terminal device receives the downlink signal on the resource (such as the second resource) corresponding to the second beam, such as receiving the first downlink signal on the second resource corresponding to the second beam .
  • the terminal device can determine the first beam; and send the first uplink signal to the network device on the first resource of the first resource set corresponding to the first beam, and the first uplink signal is a data channel
  • the uplink signal carried on the the network device can receive the first uplink signal sent by the terminal device on the first beam, and select the first beam from the multiple beams to use the first beam (ie, the second beam) on the second resource corresponding to the
  • the first downlink signal is sent to the terminal device; in turn, the terminal device can successfully receive the first downlink signal from the first beam. Therefore, the probability of successfully receiving the downlink signal in the multi-beam after the terminal device uses the data channel to send the uplink signal to the network device can be improved.
  • the network device provided in the embodiment of the present disclosure can implement the process shown in the foregoing method embodiment, and in order to avoid repetition, it will not be repeated here.
  • FIG. 5 is a schematic diagram of a possible structure for implementing a terminal device provided by an embodiment of the present disclosure.
  • the terminal device 400 includes: a determining module 401 and a sending module 402, wherein:
  • the uplink signal is the uplink signal carried on the data channel.
  • the determining module 401 is specifically configured to determine the first beam according to target configuration information configured by the network device.
  • the target configuration information is used to at least indicate a first correspondence
  • the first correspondence is used to indicate that the first beam and the first Resource collection correspondence.
  • the target configuration information includes at least the correspondence between the first beam and the first identifier, and the first identifier is used to indicate the first resource set; where the first identifier is any one of the following: resources of resources in the first resource set The position, the hybrid automatic repeat request HARQ process identifier corresponding to the resource in the first resource set, and the identifier indicating the configuration information of the first resource set.
  • the first resource is any resource in the first resource set
  • the first resource set is any one of at least one resource set
  • the at least one resource set is a resource set indicated by the uplink authorization configuration information.
  • the first resource includes any one of the following: a resource that is most recently available in the first resource set, a resource that is most recently available and non-contiguous in the first resource set, and a random resource in the continuous resource in the first resource set A resource of choice.
  • the first resource set includes at least one of the following: at least one resource corresponding to a specific time domain position, and at least one resource corresponding to a specific frequency domain position.
  • the target configuration information is used to indicate multiple correspondences, each correspondence is a correspondence between a beam and a resource set, and the first correspondence is one of multiple correspondences;
  • the determining module 401 is specifically used to Target configuration information and target rules determine the first beam, the first beam is a beam whose measurement value is greater than or equal to the measurement threshold among the multiple beams indicated by the target configuration information; wherein, the target rule includes: selecting a measurement value greater than or equal to the measurement Threshold beam.
  • the terminal device 400 further includes: a receiving module, where the receiving module is configured to receive the first uplink signal from the network device on the second resource corresponding to the second beam after the sending module 402 sends the first uplink signal to the network device.
  • the first downlink signal is a signal corresponding to the first uplink signal, a specific downlink data channel signal of the terminal device 400, or a specific downlink control channel signal of the terminal device 400; wherein the first beam is the same as the second beam.
  • the receiving module is further configured to receive target indication information from the network device after receiving the first downlink signal from the network device, where the target indication information is used to indicate that the second beam corresponding to the first downlink signal has been updated to the first Three beams
  • the terminal device 400 further includes: an update module, wherein: the update module is configured to update the first target correspondence stored in the terminal device 400 to the second target correspondence according to the target indication information received by the receiving module, the first target correspondence Is the correspondence between the second beam and the first downlink signal, and the second target correspondence is the correspondence between the third beam and the first downlink signal.
  • the terminal device provided by the embodiment of the present disclosure can determine the first beam; and send the first uplink signal to the network device on the first resource of the first resource set corresponding to the first beam, and the first uplink signal is carried on the data channel Uplink signal.
  • the network device can receive the first uplink signal sent by the terminal device on the first beam, and select the first beam from the multiple beams to use the first beam (ie, the second beam) on the second resource corresponding to the
  • the first downlink signal is sent to the terminal device; in turn, the terminal device can successfully receive the first downlink signal from the first beam. Therefore, the probability of successfully receiving the downlink signal in the multi-beam after the terminal device uses the data channel to send the uplink signal to the network device can be improved.
  • the terminal device provided in the embodiment of the present disclosure can implement the process shown in the foregoing method embodiment, and in order to avoid repetition, it is not repeated here.
  • FIG. 6 is a schematic diagram of a possible structure for implementing a network device provided by an embodiment of the present disclosure.
  • the network device 500 includes: a configuration module 501, wherein:
  • the configuration module 501 configures target configuration information for the terminal device; wherein the target configuration information is used to at least indicate a first correspondence, the first correspondence is used to indicate that the first beam corresponds to the first resource set, and the first resource set in the first resource set corresponds to
  • the first uplink signal on a resource is an uplink signal carried on a data channel.
  • the target configuration information includes at least the correspondence between the first beam and the first identifier, and the first identifier is used to indicate the first resource set; where the first identifier is any one of the following: resources of resources in the first resource set The position, the hybrid automatic repeat request HARQ process identifier corresponding to the resource in the first resource set, and the identifier indicating the configuration information of the first resource set.
  • the first resource is any resource in the first resource set
  • the first resource set is any one of at least one resource set
  • the at least one resource set is a resource indicated by the network device for the terminal device through uplink authorization configuration information set.
  • the first resource includes any one of the following: a resource that is most recently available in the first resource set, a resource that is most recently available and non-contiguous in the first resource set, and a random resource in the continuous resource in the first resource set A resource of choice.
  • the first resource set includes at least one of the following: at least one resource corresponding to a specific time domain position, and at least one resource corresponding to a specific frequency domain position.
  • the target configuration information is used to indicate multiple correspondences, each correspondence is a correspondence between a beam and a resource set, and the first correspondence is one of the multiple correspondences.
  • the network device further includes: a receiving module and a sending module, wherein the receiving module is used to receive the first uplink signal from the terminal device on the first resource; the sending module is used to receive the receiving module from the terminal device After the first uplink signal, the first downlink signal is sent to the terminal device on the second resource corresponding to the second beam.
  • the first downlink signal is a signal corresponding to the first uplink signal, a terminal device specific downlink data channel signal, or The terminal device specifies a downlink control channel signal; where the first beam is the same as the second beam.
  • the sending module is further configured to send target indication information to the terminal device after sending the first downlink signal to the terminal device, where the target indication information is used to indicate that the second beam corresponding to the first downlink signal has been updated to the first downlink signal.
  • target indication information is used to indicate that the second beam corresponding to the first downlink signal has been updated to the first downlink signal.
  • the network device provided in the embodiment of the present disclosure can implement the process shown in the foregoing method embodiment, and in order to avoid repetition, it will not be repeated here.
  • the network device can configure target configuration information for the terminal device; wherein the target configuration information is used to indicate at least a first correspondence relationship, and the first correspondence relationship is used to indicate that the first beam corresponds to the first resource set ,
  • the first uplink signal on the first resource in the first resource set is the uplink signal carried on the data channel.
  • the network device may select the second beam (that is, the first beam) from the multiple beams To send the first downlink signal to the terminal device on the second resource corresponding to the second beam.
  • the terminal device can successfully receive the first downlink signal from the second beam. Therefore, the probability of successfully receiving the downlink signal in the multi-beam after the terminal device uses the data channel to send the uplink signal to the network device can be improved.
  • the terminal device 100 includes but is not limited to: a radio frequency unit 101, a network module 102, an audio output unit 103, an input unit 104, a sensor 105, and a display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, power supply 111 and other components.
  • a radio frequency unit 101 for example, a radio frequency unit
  • a network module 102 for example, a radio frequency unit
  • an audio output unit 103 includes an audio signals from a terminal device
  • an input unit 104 includes a sensor 105, and a display unit 106
  • user input unit 107 includes a radio frequency unit 103, a microphone 106, and a display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, power supply 111 and other components.
  • FIG. 7 does not constitute a limitation on the terminal device.
  • the terminal device 100 may include more or less components than shown in the figure, or combine certain components, or Different component arrangements.
  • the terminal device 100 includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal device, a wearable device, and a pedometer, etc.
  • the processor 110 is configured to determine the first beam; the radio frequency unit 101 is configured to send the first uplink signal to the network device on the first resource in the first resource set corresponding to the first beam determined by the processor 110,
  • the first uplink signal is an uplink signal carried on the data channel.
  • the terminal device provided by the embodiment of the present disclosure can determine the first beam; and send the first uplink signal to the network device on the first resource of the first resource set corresponding to the first beam, and the first uplink signal is carried on the data channel Uplink signal.
  • the network device can receive the first uplink signal sent by the terminal device on the first beam, and select the first beam from the multiple beams to use the first beam (ie, the second beam) on the second resource corresponding to the
  • the first downlink signal is sent to the terminal device; in turn, the terminal device can successfully receive the first downlink signal from the first beam. Therefore, the probability of successfully receiving the downlink signal in the multi-beam after the terminal device uses the data channel to send the uplink signal to the network device can be improved.
  • the radio frequency unit 101 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, the downlink data from the base station is received and processed by the processor 110; Uplink data is sent to the base station.
  • the radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 101 can also communicate with the network and other devices through a wireless communication system.
  • the terminal device 100 provides users with wireless broadband Internet access through the network module 102, such as helping users to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 103 can convert the audio data received by the radio frequency unit 101 or the network module 102 or stored in the memory 109 into audio signals and output them as sounds. Moreover, the audio output unit 103 may also provide audio output related to a specific function performed by the terminal device 100 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 103 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 104 is used to receive audio or video signals.
  • the input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042.
  • the graphics processor 1041 is configured to monitor images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed.
  • the processed image frame can be displayed on the display unit 106.
  • the image frame processed by the graphics processor 1041 may be stored in the memory 109 (or other storage medium) or sent via the radio frequency unit 101 or the network module 102.
  • the microphone 1042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 101 for output in the case of a telephone call mode.
  • the terminal device 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 1061 and the display panel 1061 when the terminal device 100 is moved to the ear. / Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when it is stationary, and can be used to identify the posture of the terminal device (such as horizontal and vertical screen switching, related games) , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; sensor 105 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, Infrared sensors, etc., will not be repeated here.
  • the display unit 106 is used to display information input by the user or information provided to the user.
  • the display unit 106 may include a display panel 1061, and the display panel 1061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED), etc.
  • LCD Liquid Crystal Display
  • OLED Organic Light-Emitting Diode
  • the user input unit 107 may be used to receive inputted numeric or character information, and generate key signal inputs related to user settings and function control of the terminal device 100.
  • the user input unit 107 includes a touch panel 1071 and other input devices 1072.
  • the touch panel 1071 also called a touch screen, can collect user touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 1071 or near the touch panel 1071. operating).
  • the touch panel 1071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 110, the command sent by the processor 110 is received and executed.
  • the touch panel 1071 can be realized by various types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 107 may also include other input devices 1072.
  • other input devices 1072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the touch panel 1071 can be overlaid on the display panel 1061.
  • the touch panel 1071 detects a touch operation on or near it, it is transmitted to the processor 110 to determine the type of the touch event.
  • the type of event provides corresponding visual output on the display panel 1061.
  • the touch panel 1071 and the display panel 1061 are used as two independent components to implement the input and output functions of the terminal device 100, in some embodiments, the touch panel 1071 and the display panel 1061 may be combined.
  • the input and output functions of the terminal device 100 are realized by integration, which is not specifically limited here.
  • the interface unit 108 is an interface for connecting an external device with the terminal device 100.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 108 can be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the terminal device 100 or can be used to connect to the terminal device 100 and external Transfer data between devices.
  • the memory 109 can be used to store software programs and various data.
  • the memory 109 may mainly include a program storage area and a data storage area.
  • the program storage area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data (such as audio data, phone book, etc.) created by the use of mobile phones.
  • the memory 109 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.
  • the processor 110 is the control center of the terminal device 100. It uses various interfaces and lines to connect the various parts of the entire terminal device 100, runs or executes software programs and/or modules stored in the memory 109, and calls and stores them in the memory 109. The data, execute various functions of the terminal device 100 and process data, so as to monitor the terminal device 100 as a whole.
  • the processor 110 may include one or more processing units; optionally, the processor 110 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, and application programs, etc.
  • the adjustment processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 110.
  • the terminal device 100 may also include a power source 111 (such as a battery) for supplying power to various components.
  • a power source 111 such as a battery
  • the power source 111 may be logically connected to the processor 110 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.
  • the terminal device 100 includes some functional modules not shown, which will not be repeated here.
  • FIG. 8 is a schematic diagram of the hardware structure of a network device implementing an embodiment of the present disclosure.
  • the network device 700 includes a processor 701, a transceiver 702, a memory 703, a user interface 704, and a bus interface.
  • the transceiver 702 is configured to receive a first uplink signal from a user equipment terminal device on a first resource in a first resource set corresponding to the first beam, where the first uplink signal is an uplink signal carried on a data channel; where , The first beam is the beam indicated by the target configuration information configured for the terminal device.
  • the network device can configure target configuration information for the terminal device; wherein the target configuration information is used to indicate at least a first correspondence relationship, and the first correspondence relationship is used to indicate that the first beam corresponds to the first resource set ,
  • the first uplink signal on the first resource in the first resource set is the uplink signal carried on the data channel.
  • the network device may select the second beam (that is, the first beam) from the multiple beams To send the first downlink signal to the terminal device on the second resource corresponding to the second beam.
  • the terminal device can successfully receive the first downlink signal from the second beam. Therefore, the probability of successfully receiving the downlink signal in the multi-beam after the terminal device uses the data channel to send the uplink signal to the network device can be improved.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 701 and various circuits of the memory represented by the memory 703 are linked together. .
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, no further descriptions are provided herein.
  • the bus interface provides the interface.
  • the transceiver 702 may be a plurality of elements, that is, include a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the user interface 704 may also be an interface capable of externally connecting internally required equipment.
  • the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 703 can store data used by the processor 701 when performing operations.
  • the network device 700 also includes some functional modules not shown, which will not be repeated here.
  • an embodiment of the present disclosure further provides a terminal device, including a processor, a memory, and a computer program stored in the memory and running on the processor.
  • a terminal device including a processor, a memory, and a computer program stored in the memory and running on the processor.
  • the computer program is executed by the processor, the computer program in the above embodiment is implemented.
  • the process of the signal transmission method can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiments of the present disclosure also provide a network device, including a processor, a memory, and a computer program stored in the memory and running on the processor.
  • a network device including a processor, a memory, and a computer program stored in the memory and running on the processor.
  • the computer program is executed by the processor, the foregoing method embodiment
  • the process of the signal transmission method can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiments of the present disclosure also provide a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the above-mentioned computer-readable storage medium includes read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disks, or optical disks.
  • the method of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. ⁇
  • the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to enable a terminal device (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in the multiple embodiments of the present application.
  • a terminal device which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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

Abstract

Selon certains modes de réalisation, la présente invention concerne un procédé de transmission de signal, un dispositif et un système, qui se rapportent au domaine de la technologie de communication, et sont utilisés pour résoudre le problème de l'état de la technique selon lequel, lorsqu'un dispositif de réseau envoie, dans une pluralité de faisceaux, un message de réponse d'accès aléatoire à un dispositif terminal, le dispositif terminal n'est pas capable de recevoir avec succès le message de réponse d'accès aléatoire envoyé par le dispositif de réseau, ne pouvant pas ainsi accéder avec succès au dispositif de réseau. Ledit procédé comprend les étapes suivantes : un dispositif terminal d'équipement utilisateur (UE) détermine un premier faisceau ; et envoie, sur une première ressource dans un premier ensemble de ressources correspondant au premier faisceau, un premier signal de liaison montante à un dispositif de réseau, le premier signal de liaison montante étant un signal de liaison montante porté sur un canal de données. Ledit procédé est spécifiquement appliqué à un processus dans lequel un dispositif terminal envoie un signal de liaison montante à un dispositif de réseau au moyen d'un canal de données et reçoit, dans une pluralité de faisceaux, un signal de liaison descendante provenant du dispositif de réseau.
PCT/CN2020/074873 2019-02-14 2020-02-12 Procédé de transmission de signal, dispositif et système WO2020164515A1 (fr)

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