CN113271663B - Communication method, device, terminal equipment and wireless access network equipment - Google Patents

Communication method, device, terminal equipment and wireless access network equipment Download PDF

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Publication number
CN113271663B
CN113271663B CN202010093404.5A CN202010093404A CN113271663B CN 113271663 B CN113271663 B CN 113271663B CN 202010093404 A CN202010093404 A CN 202010093404A CN 113271663 B CN113271663 B CN 113271663B
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China
Prior art keywords
pucch
resource
indication
pucch resources
access network
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CN113271663A (en
Inventor
王化磊
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Beijing Ziguang Zhanrui Communication Technology Co Ltd
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Beijing Ziguang Zhanrui Communication Technology Co Ltd
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Priority to CN202010093404.5A priority Critical patent/CN113271663B/en
Priority to PCT/CN2021/074669 priority patent/WO2021159984A1/en
Publication of CN113271663A publication Critical patent/CN113271663A/en
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1816—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of the same, encoded, message
    • 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
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Abstract

The embodiment of the application provides a communication method, a device, terminal equipment and wireless access network equipment, wherein the method comprises the following steps: the terminal equipment receives indication information, wherein the indication information is used for indicating that PUCCH is repeatedly sent on at least two PUCCH resources; and the terminal equipment repeatedly sends PUCCH on the at least two PUCCH resources based on the resource identifiers of the at least two PUCCH resources. The method can realize PUCCH repeated transmission in a multi-TRP scene.

Description

Communication method, device, terminal equipment and wireless access network equipment
Technical Field
Embodiments of the present application relate to communications technologies, and in particular, to a communications method, an apparatus, a terminal device, and a radio access network device.
Background
In a New Radio (NR) communication system, in order to achieve high reliability, a physical uplink control channel (Physical Uplink Control Channel, PUCCH) retransmission technique is proposed, which can support 8 times of PUCCH retransmission at most. The PUCCH repeated transmission technology may be applied to a single transmission reception point (Transmission and Reception Point, abbreviated TRP) scenario. In the single TRP scenario, one cell is covered with one TRP, and when a terminal device located in the cell repeatedly transmits PUCCH, PUCCH is repeatedly transmitted using one PUCCH resource indicated by the network. For example, the terminal device knows which PUCCH resource is triggered according to downlink control information (Downlink Control Information, abbreviated DCI), and repeatedly transmits PUCCH using the PUCCH resource.
However, the PUCCH repeated transmission technique described above cannot be adapted to a multi-TRP scenario. In the multi-TRP scenario, therefore, how to realize PUCCH retransmission in the multi-TRP scenario is a problem to be solved.
Disclosure of Invention
The embodiment of the application provides a communication method, a device, a terminal device and a wireless access network device, which are used for realizing PUCCH repeated transmission under a multi-TRP scene. In a first aspect, an embodiment of the present application provides a communication method, including:
the terminal equipment receives indication information, wherein the indication information is used for indicating that PUCCH is repeatedly sent on at least two PUCCH resources;
and the terminal equipment repeatedly sends PUCCH on the at least two PUCCH resources based on the resource identifiers of the at least two PUCCH resources.
As an optional implementation manner, the resource identifiers of the at least two PUCCH resources are different from each other, or the resource identifiers of the at least two PUCCH resources are partially the same, or the resource identifiers of the at least two PUCCH resources are the same.
As an optional implementation manner, the terminal device repeatedly sends PUCCHs on the at least two PUCCH resources based on the resource identifiers of the at least two PUCCH resources, including:
The terminal equipment acquires target PUCCH resource indication according to the indication information;
the terminal equipment determines indexes of the at least two PUCCH resources corresponding to the target PUCCH resource indication according to the corresponding relation between the PUCCH resource indication and the PUCCH resource indexes;
and the terminal equipment repeatedly sends PUCCH (physical uplink control channel) on the at least two PUCCH resources based on the resource identifiers corresponding to the indexes of the at least two PUCCH resources.
As an optional implementation manner, before determining the indexes of the at least two PUCCH resources corresponding to the target PUCCH resource indication according to the correspondence between the PUCCH resource indication and the PUCCH resource index, the method further includes:
and the terminal equipment receives the corresponding relation between the PUCCH resource indication and the PUCCH resource index.
As an optional implementation manner, the terminal device repeatedly sends PUCCHs on the at least two PUCCH resources, including:
and if the resource identifiers of the at least two PUCCH resources are not configured, the terminal equipment takes the preset resource identifiers as the resource identifiers of the at least two PUCCH resources.
As an alternative implementation manner, the resource identifier includes airspace information or transmission configuration indication TCI state QCL-TypeD information.
As an optional implementation manner, the preset resource identifier is an active TCI state corresponding to a minimum TCI number or a code point in the TCI numbers or the code points including two active TCI states.
In a second aspect, an embodiment of the present application provides a communication method, including:
the wireless access network equipment sends indication information to the terminal equipment, wherein the indication information is used for indicating the terminal equipment to repeatedly send PUCCH on at least two PUCCH resources.
As an optional implementation manner, the resource identifiers of the at least two PUCCH resources are different from each other, or the resource identifiers of the at least two PUCCH resources are partially the same, or the resource identifiers of the at least two PUCCH resources are the same.
As an optional implementation manner, before the radio access network device sends the indication information to the terminal device, the method further includes:
the wireless access network equipment determines target PUCCH resource indications corresponding to the at least two PUCCH resources according to the corresponding relation between the PUCCH resource indications and the PUCCH resource indexes;
and the wireless access network equipment generates the indication information according to the target PUCCH resource indication.
As an optional implementation manner, before determining the target PUCCH resource indication corresponding to the at least two PUCCH resources according to the correspondence between the PUCCH resource indication and the PUCCH resource index, the radio access network device further includes:
And the wireless access network equipment sends the corresponding relation between the PUCCH resource indication and the PUCCH resource index to the terminal equipment.
As an alternative implementation manner, the resource identifier includes airspace information or transmission configuration indication TCI state QCL-TypeD information.
In a third aspect, an embodiment of the present application provides a communication apparatus, including:
the receiving module is used for receiving indication information, wherein the indication information is used for indicating that PUCCH (physical uplink control information) resources are repeatedly sent;
and the processing module is used for repeatedly sending the PUCCH on the at least two PUCCH resources based on the resource identifiers of the at least two PUCCH resources.
As an optional implementation manner, the resource identifiers of the at least two PUCCH resources are different from each other, or the resource identifiers of the at least two PUCCH resources are partially the same, or the resource identifiers of the at least two PUCCH resources are the same.
As an alternative implementation manner, the processing module is specifically configured to:
acquiring target PUCCH resource indication according to the indication information;
determining indexes of the at least two PUCCH resources corresponding to the target PUCCH resource indication according to the corresponding relation between the PUCCH resource indication and the PUCCH resource indexes;
And repeatedly sending PUCCH on the at least two PUCCH resources based on the resource identifiers corresponding to the indexes of the at least two PUCCH resources.
As an alternative implementation, the receiving module is further configured to:
and receiving the corresponding relation between the PUCCH resource indication and the PUCCH resource index.
As an alternative implementation manner, the processing module is specifically configured to:
and if the resource identifiers of the at least two PUCCH resources are not configured, taking the preset resource identifiers as the resource identifiers of the at least two PUCCH resources.
As an alternative implementation manner, the resource identifier includes airspace information or transmission configuration indication TCI state QCL-TypeD information.
In a fourth aspect, an embodiment of the present application provides a communication apparatus, including: the processing module and the sending module;
the processing module is configured to send, through the sending module, indication information to a terminal device, where the indication information is used to instruct the terminal device to repeatedly send PUCCH on at least two physical uplink control information PUCCH resources.
As an optional implementation manner, the resource identifiers of the at least two PUCCH resources are different from each other, or the resource identifiers of the at least two PUCCH resources are partially the same, or the resource identifiers of the at least two PUCCH resources are the same.
As an alternative implementation, the processing module is further configured to:
determining target PUCCH resource indications corresponding to the at least two PUCCH resources according to the corresponding relation between the PUCCH resource indications and the PUCCH resource indexes;
and generating the indication information according to the target PUCCH resource indication.
As an alternative implementation manner, the sending module is further configured to:
and sending the corresponding relation between the PUCCH resource indication and the PUCCH resource index to the terminal equipment.
As an alternative implementation manner, the resource identifier includes airspace information or transmission configuration indication TCI state QCL-TypeD information.
As an optional implementation manner, the preset resource identifier is an active TCI state corresponding to a minimum TCI number or a code point in the TCI numbers or the code points including two active TCI states.
In a fifth aspect, an embodiment of the present application provides a terminal device, including:
a memory for storing program instructions;
and the processor is used for calling and executing the program instructions in the memory and executing the method steps in the first aspect.
In a sixth aspect, an embodiment of the present application provides a radio access network device, including:
a memory for storing program instructions;
And a processor for calling and executing the program instructions in the memory to perform the method steps described in the second aspect.
In a seventh aspect, an embodiment of the present application provides a readable storage medium, where a computer program is stored, where the computer program is configured to perform the method according to the first aspect or the second aspect.
According to the communication method, the device, the terminal equipment and the wireless access network equipment provided by the embodiment of the application, the wireless access network equipment indicates at least two PUCCH resources to the terminal equipment, and the terminal equipment correspondingly repeatedly transmits PUCCH to the at least two wireless access network equipment on the at least two PUCCH resources, so that the terminal equipment can repeatedly transmit PUCCH under a multi-TRP scene.
Drawings
In order to more clearly illustrate the application or the technical solutions of the prior art, the following description of the embodiments or the drawings used in the description of the prior art will be given in brief, it being obvious that the drawings in the description below are some embodiments of the application and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a mobile communication system according to an embodiment of the present application;
FIG. 2 is an interactive flow chart of a communication method according to an embodiment of the present application;
fig. 3 is a schematic flow chart of a communication method according to an embodiment of the present application;
fig. 4 is an exemplary diagram of correspondence between PUCCH resource indication, PUCCH resource index and resource identifier of PUCCH resource in an embodiment of the present application;
fig. 5 is a block diagram of a communication device according to an embodiment of the present application;
fig. 6 is a block diagram of another communication device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a terminal device 700 according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a radio access network device 800 according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In a multi-TRP scenario, one terminal device may communicate with multiple TRPs. When the terminal device repeatedly transmits the PUCCH, it is necessary to repeatedly transmit the PUCCH to a plurality of TRPs, and therefore, the conventional method for repeatedly transmitting the PUCCH on one PUCCH resource in a single TRP scenario cannot be applied to PUCCH repeated transmission in a multi TRP scenario.
Based on the above-mentioned problems, the embodiments of the present application provide a PUCCH repeated transmission method applicable to a multi-TRP scenario, where a terminal device repeatedly transmits PUCCHs on a plurality of PUCCH resources, respectively, so as to realize repeated transmission of PUCCHs to a plurality of TRPs.
Fig. 1 is a schematic diagram of an architecture of a mobile communication system applied to an embodiment of the present application, as shown in fig. 1, where the mobile communication system includes a core network device 110, a plurality of radio access network devices (such as a radio access network device 120 and a radio access network device 130 in fig. 1, and at least one terminal device (such as a terminal device 140 and a terminal device 150 in fig. 1). The terminal device is connected to the radio access network device by a radio manner, and the radio access network device is connected to the core network device by a radio or a wired manner.
The wireless access network device is an access device that a terminal device accesses to the mobile communication system in a wireless manner, and may be a network side NodeB, an evolved network side eNodeB, a network side (TRP) in a 5G mobile communication system, a network side in a future mobile communication system, or an access node in a WiFi system, etc., and the embodiment of the present application does not limit a specific technology and a specific device configuration adopted by the wireless access network device.
The Terminal device may also be referred to as a Terminal, a User Equipment (UE), a Mobile Station (MS), a Mobile Terminal (MT), etc. The terminal device may be a mobile phone, a tablet (Pad), a computer with wireless transceiving function, a Virtual Reality (VR) terminal device, an augmented Reality (Augmented Reality, AR) terminal device, a wireless terminal in industrial control (industrial control), a wireless terminal in unmanned driving (self driving), a wireless terminal in teleoperation (remote medical surgery), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation security (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), etc.
The radio access network device and the terminal device may be deployed on land, including indoor or outdoor, hand-held or vehicle-mounted; the device can be deployed on the water surface; but also on aerial planes, balloons and satellites. The embodiment of the application does not limit the application scenes of the wireless access network equipment and the terminal equipment.
Fig. 2 is an interaction flow chart of a communication method according to an embodiment of the present application, as shown in fig. 1, where the interaction flow chart of the method includes:
s201, the first radio access network device sends indication information to the terminal, where the indication information is used to indicate that PUCCH is repeatedly sent on at least two PUCCH resources.
Correspondingly, the terminal equipment receives the indication information.
Alternatively, the first radio access network device and the second radio access network device may refer to two radio access network devices communicating with the terminal device in a multi-TRP scenario. It should be noted that there may be two radio access network devices communicating with the terminal device, or any number greater than two radio access network devices, and the embodiments of the present application are described by taking two radio access network devices, that is, the first radio access network device and the second radio access network device, as examples.
As an example, the first radio access network device and the second radio access network device may be negotiated in advance to determine that the indication information is sent by one of the two to the terminal device. The present embodiment takes as an example that the first radio access network device sends the indication information to the terminal device.
Optionally, the first radio access network device may determine, according to the preset configuration information, whether the terminal device needs to repeatedly send the PUCCH, and if the first radio access network device determines that the terminal device needs to repeatedly send the PUCCH, may send the indication information to the terminal device.
Alternatively, the indication information may be, for example, DCI, and the first radio access network device indicates at least two PUCCH resources through the DCI.
It should be understood that the indication information may be other messages or information besides DCI, and the specific name and form of the indication information are not limited in the embodiments of the present application. In order to more clearly describe the schemes of the embodiments of the present application, the following embodiments will take indication information as DCI as an example.
S202, the terminal equipment repeatedly sends PUCCH on at least two PUCCH resources based on the resource identifiers of the at least two PUCCH resources.
Alternatively, the terminal device may repeatedly transmit PUCCHs to at least two radio access network devices on the at least two PUCCH resources.
Optionally, each PUCCH resource of the at least two PUCCH resources is used to repeatedly send PUCCH to one radio access network device. For example, the first radio access network device indicates two PUCCH resources, namely a first PUCCH resource and a second PUCCH resource, to the terminal device through DCI. The first PUCCH resource is used for repeatedly sending PUCCH to the first radio access network equipment, and the second PUCCH resource is used for repeatedly sending PUCCH to the second radio access network equipment. Accordingly, as illustrated in fig. 2, the terminal device may repeatedly transmit PUCCH to the first radio access network device on the first PUCCH resource and repeatedly transmit PUCCH to the second radio access network device on the second PUCCH resource.
Alternatively, the number of PUCCH resources indicated by the indication information may be the same as the number of radio access network devices communicating with the terminal device. Alternatively, the number of PUCCH resources indicated by the indication information may be smaller than the number of radio access network devices communicating with the terminal device.
In an example, the first radio access network device determines, according to the pre-configuration information, that the terminal device needs to repeatedly transmit PUCCH to each of the plurality of radio access network devices in communication with the terminal device, in which case the number of PUCCH resources indicated by the first radio access network device may be the same as the number of radio access network devices in communication with the terminal device, so that the terminal device may repeatedly transmit PUCCH to each radio access network device using the PUCCH resources of each of the plurality of radio access network devices.
In another example, the first radio access network device determines, according to the pre-configuration information, that the terminal device needs to repeatedly send PUCCHs to a part of radio access network devices among the plurality of radio access network devices that communicate with the terminal device, in which case the number of PUCCH resources indicated by the first radio access network device may be smaller than the number of radio access network devices that communicate with the terminal device, and the terminal device repeatedly sends PUCCHs to the part of radio access network devices using the PUCCH resources, respectively.
Optionally, the resource identifier of the PUCCH resource may be used to enable the terminal device to determine specific configuration information of the resource. It should be appreciated that the resource identification may or may not uniquely identify a resource or a PUCCH resource. Specific information of the resource identification will be described in detail in the following embodiments.
In this embodiment, the radio access network device indicates at least two PUCCH resources to the terminal device, and the terminal device correspondingly repeatedly transmits PUCCH to the at least two radio access network devices on the at least two PUCCH resources, so that the terminal device can repeatedly transmit PUCCH in a multi-TRP scenario.
Alternatively, the first radio access network device may indicate the PUCCH resource in the indication information in any one of the following manners.
In a first optional embodiment, in the step S201, the first radio access network device may carry a resource indication in the indication information, and the terminal device may determine, according to the resource indication, a resource identifier of the at least two PUCCH resources, and further, the terminal device repeatedly sends the PUCCH on the PUCCH resources based on the resource identifier.
Fig. 3 is a flow chart of a communication method according to an embodiment of the present application, as shown in fig. 3, an alternative manner of the step S202 includes:
S301, the terminal equipment acquires target PUCCH resource indication according to the indication information.
Optionally, the first radio access network device may carry information indicated by the PUCCH resource in the above indication information.
For example, the indication information is DCI, the radio access network device may carry information of PUCCH resource indication in a PUCCH resource indicator field, and the terminal device may obtain the PUCCH resource indication according to PUCCH resource indicator field and/or a control channel element (Control Channel Element, abbreviated CCE) index of the terminal device.
Alternatively, before sending the indication information, the first radio access network device may first determine at least two PUCCH resources for the terminal device to repeatedly transmit PUCCH, where each PUCCH resource has a unique PUCCH resource index. And the first wireless access network equipment determines target PUCCH resource indications corresponding to the at least two PUCCH resources according to the corresponding relation between the PUCCH resource indications and the PUCCH resource indexes, and generates the indication information according to the target PUCCH resource indications. And indicating the target PUCCH resource indication through the indication information.
S302, the terminal equipment determines indexes of the at least two PUCCH resources corresponding to the target PUCCH resource indication according to the corresponding relation between the PUCCH resource indication and the PUCCH resource indexes.
Alternatively, the correspondence between the PUCCH resource indication and the PUCCH resource index may be a one-to-many relationship. For example, one PUCCH resource indication may correspond to indexes of two or more PUCCH resources.
Alternatively, the correspondence between the PUCCH resource indication and the PUCCH resource index may be configured in advance by the radio access network device and sent to the terminal device. Accordingly, the terminal device may receive the correspondence between the PUCCH resource indication and the PUCCH resource index in advance.
Optionally, the correspondence between the PUCCH resource indication and the PUCCH resource index may be configured at a medium access control (Media Access Control, abbreviated MAC) layer of the radio access network device.
For example, the correspondence between the PUCCH resource indication and the PUCCH resource index may be a mapping table.
The PUCCH resource index may refer to a unique identifier of a PUCCH resource, and one PUCCH resource may be uniquely determined through the PUCCH index.
S303, the terminal equipment repeatedly sends PUCCH (physical uplink control channel) on the at least two PUCCH resources based on the resource identifiers corresponding to the indexes of the at least two PUCCH resources.
Optionally, the radio access network device may pre-configure a resource identifier corresponding to each PUCCH resource.
For example, the configuration may be performed in advance at the MAC layer of the radio access network device.
The radio access network device may send the corresponding relationship between each PUCCH resource and the resource identifier to the terminal device, and specifically may be the corresponding relationship between the index of the PUCCH resource and the resource identifier. After learning the index of the PUCCH resource, the terminal device may correspondingly learn the resource identifier of the PUCCH resource.
For example, if the resource identifier of the PUCCH resource includes the spatial information and the number of symbols, the terminal device may repeatedly transmit the PUCCH on the PUCCH resource according to the spatial information and the number of symbols.
Fig. 4 is an example diagram of correspondence between PUCCH resource indication, PUCCH resource index and resource identifier of PUCCH resource in the embodiment of the present application, where the radio access network device may indicate one resource indication through the foregoing indication information, where the resource indication may correspond to indexes of multiple PUCCH resources, for example, index 1 of the PUCCH resource and index 2 of the PUCCH resource illustrated in fig. 4, where index 1 and index 2 uniquely identify one PUCCH resource, respectively, and index 1 and index 2 correspond to resource identifier of one PUCCH resource, respectively, such as resource identifier 1 of the PUCCH resource and resource identifier 2 of the PUCCH resource illustrated in fig. 4. The resource identifier 1 of the PUCCH resource may include one or more kinds of configuration information, and the resource identifier 2 of the PUCCH resource may also include one or more kinds of configuration information.
In a second alternative embodiment, in the step S201, the first radio access network device may directly carry indexes of the at least two PUCCH resources in the indication information.
For example, assuming that the first radio access network device needs to indicate two PUCCH resources to the terminal device, the first radio access network device may carry a first parameter and a second parameter in the DCI, where the first parameter and the second parameter respectively represent indexes of one PUCCH resource.
In addition, as described in the above step S303, the radio access network device may pre-configure a resource identifier corresponding to each PUCCH resource.
After receiving the indication information, the terminal equipment can acquire indexes of at least two PUCCH resources by analyzing the indication information, and further, the terminal equipment can correspondingly acquire the resource identification of the PUCCH resources according to the corresponding relation between the indexes of the PUCCH resources and the resource identification. Further, the terminal device repeatedly transmits PUCCH on the PUCCH resource based on the resource identifier.
For example, if the resource identifier of the PUCCH resource is spatial information, the terminal device may repeatedly send the PUCCH on the PUCCH resource according to the spatial information.
Optionally, the resource identifier of the PUCCH resource in the above two optional implementations may include one configuration information, or may include multiple configuration information. The resource identity of the PUCCH resource may be represented by configuration information included therein. The configuration information may be airspace information or transmission configuration indication (Transmission Configuration Indicator, abbreviated as TCI) state Quasi Co-Location type D (Quasi-Co-Location type D, abbreviated as QCL-type D) information, or may also be the number of symbols of the resource, etc.
In one example, the resource identification of the PUCCH resource may include spatial information and the number of symbols of the resource.
Alternatively, the resource identifiers of the at least two PUCCH resources may be different from each other, or the resource identifiers of the at least two PUCCH resources are partially the same, or the resource identifiers of the at least two PUCCH resources are the same.
The resource identifiers are different from each other, which may mean that certain configuration information included in the resource identifiers are different from each other. For example, assuming that the resource identifiers include spatial information and the number of symbols of the resources, the resource identifiers may be different from each other, and may refer to that the spatial information of each PUCCH resource is different from each other, and the number of symbols of each PUCCH resource may be different from each other, may be partially the same, or may be the same.
In a specific example, assuming that the resource identifier includes spatial information and the number of symbols of the resource, assuming that the first radio access network device indicates three PUCCH resources, the resource identifiers of the three PUCCH resources may be different from each other, and the number of symbols of the three PUCCH resources may be different from each other, may be partially the same, or may be the same.
The resource identifiers are partially identical, which may mean that some configuration information included in the resource identifiers is partially identical. For example, assuming that the resource identifier includes spatial information and the number of symbols of the resource, the resource identifier may be partially the same, which may mean that the spatial information of each PUCCH resource is partially the same, and the number of symbols of three PUCCH resources may be different from each other, may be partially the same, or may be the same.
In a specific example, assuming that the resource identifier includes spatial information and the number of symbols of the resource, assuming that the first radio access network device indicates three PUCCH resources, the resource identifier portions of the three PUCCH resources may be identical, which may mean that the spatial information portions of the three PUCCH resources are identical, for example, the spatial information of PUCCH resource 1 and PUCCH resource 2 are identical, and the spatial information of PUCCH resource 3 and the spatial information of the first two resources are different. The number of symbols of the three PUCCH resources may be different from each other, may be partially the same, or may be the same.
The resource identifiers are the same, which may mean that some configuration information included in the resource identifiers are the same. For example, assuming that the resource identifiers include spatial information and the number of symbols of the resource, the resource identifiers are the same, and may refer to that the spatial information of each PUCCH resource is the same, and the number of symbols of three PUCCH resources may be different from each other, may be partially the same, or may be the same.
In a specific example, assuming that the resource identifier includes spatial information and the number of symbols of the resource, assuming that the first radio access network device indicates three PUCCH resources, the resource identifiers of the three PUCCH resources are all the same, and may mean that the spatial information of the three PUCCH resources is all the same. The number of symbols of the three PUCCH resources may be different from each other, may be partially the same, or may be the same.
As described above, in the above two alternative embodiments, the index of one PUCCH resource may correspond to one resource identity. Such correspondence may be configured in advance by the radio access network device and sent to the terminal device. In some scenarios, the radio access network device may not pre-configure the corresponding relationship between the index of the PUCCH resource and the resource identifier, or the terminal device does not acquire the corresponding relationship between the index of the PUCCH resource and the resource identifier. In the embodiment of the application, these scenes are called as scenes in which the resource identifier of the PUCCH resource is not configured. In these scenarios, the terminal device may use the preset resource identifier as the resource identifier of the at least two PUCCH resources.
Taking the example that the resource identifier of the PUCCH resource includes airspace information or TCI state QCL-type information, if the airspace information or TCI state QCL-type information is not configured in the resource identifier of the PUCCH resource, the preset airspace information or TCI state QCL-type information may be a TCI number including two active TCI states or a minimum TCI number in a code point or an active TCI state corresponding to the code point.
Fig. 5 is a block diagram of a communication device according to an embodiment of the present application, where the device may be the foregoing terminal device, or may be a device capable of enabling the terminal device to implement a function of the terminal device in the method according to the embodiment of the present application, and the device may be a device or a chip system in the terminal device, for example. As shown in fig. 5, the apparatus includes:
A receiving module 501, configured to receive indication information, where the indication information is used to indicate that a PUCCH is repeatedly sent on at least two PUCCH resources.
A processing module 502, configured to repeatedly send PUCCHs on the at least two PUCCH resources based on the resource identifiers of the at least two PUCCH resources.
As an optional implementation manner, the resource identifiers of the at least two PUCCH resources are different from each other, or the resource identifiers of the at least two PUCCH resources are partially the same, or the resource identifiers of the at least two PUCCH resources are the same.
As an alternative embodiment, the processing module 502 is specifically configured to:
acquiring target PUCCH resource indication according to the indication information; determining indexes of the at least two PUCCH resources corresponding to the target PUCCH resource indication according to the corresponding relation between the PUCCH resource indication and the PUCCH resource indexes; and repeatedly sending PUCCH on the at least two PUCCH resources based on the resource identifiers corresponding to the indexes of the at least two PUCCH resources.
As an alternative embodiment, the receiving module 501 is further configured to:
and receiving the corresponding relation between the PUCCH resource indication and the PUCCH resource index.
As an alternative embodiment, the processing module 502 is specifically configured to:
And if the resource identifiers of the at least two PUCCH resources are not configured, taking the preset resource identifiers as the resource identifiers of the at least two PUCCH resources.
As an alternative embodiment, the resource identifier includes airspace information or TCI state QCL-TypeD information.
As an optional implementation manner, the preset resource identifier is an active TCI state corresponding to a minimum TCI number or a code point in the TCI numbers or the code points including two active TCI states.
Fig. 6 is a block diagram of another communication apparatus provided in the embodiment of the present application, where the apparatus may be the aforementioned radio access network device, or may be an apparatus capable of enabling the radio access network device to implement the function of the radio access network device in the method provided in the embodiment of the present application, and the apparatus may be an apparatus or a chip system in the radio access network device, for example. As shown in fig. 6, the apparatus includes: comprising the following steps:
a processing module 601 and a transmitting module 602.
A processing module 601, configured to send, through a sending module 602, indication information to a terminal device, where the indication information is used to instruct the terminal device to repeatedly send PUCCHs on at least two PUCCH resources.
As an optional implementation manner, the resource identifiers of the at least two PUCCH resources are different from each other, or the resource identifiers of the at least two PUCCH resources are partially the same, or the resource identifiers of the at least two PUCCH resources are the same.
As an alternative embodiment, the processing module 601 is further configured to:
determining target PUCCH resource indications corresponding to the at least two PUCCH resources according to the corresponding relation between the PUCCH resource indications and the PUCCH resource indexes; and generating the indication information according to the target PUCCH resource indication.
As an alternative embodiment, the sending module 602 is further configured to:
and sending the corresponding relation between the PUCCH resource indication and the PUCCH resource index to the terminal equipment.
As an alternative embodiment, the resource identifier includes airspace information or TCI state QCL-TypeD information.
The communication device provided by the embodiment of the present application may execute the method steps in the above method embodiment, and its implementation principle and technical effects are similar, and will not be described herein.
It should be noted that, it should be understood that the division of the modules of the above apparatus is merely a division of a logic function, and may be fully or partially integrated into a physical entity or may be physically separated. And these modules may all be implemented in software in the form of calls by the processing element; or can be realized in hardware; the method can also be realized in a form of calling software by a processing element, and the method can be realized in a form of hardware by a part of modules. For example, the determining module may be a processing element that is set up separately, may be implemented in a chip of the above apparatus, or may be stored in a memory of the above apparatus in the form of program code, and may be called by a processing element of the above apparatus and execute the functions of the determining module. The implementation of the other modules is similar. In addition, all or part of the modules can be integrated together or can be independently implemented. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in a software form.
For example, the modules above may be one or more integrated circuits configured to implement the methods above, such as: one or more specific integrated circuits (application specific integrated circuit, ASIC), or one or more microprocessors (digital signal processor, DSP), or one or more field programmable gate arrays (field programmable gate array, FPGA), or the like. For another example, when a module above is implemented in the form of a processing element scheduler code, the processing element may be a general purpose processor, such as a central processing unit (central processing unit, CPU) or other processor that may invoke the program code. For another example, the modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, produces a flow or function in accordance with embodiments of the present application, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, for example, by wired (e.g., coaxial cable, optical fiber, digital Subscriber Line (DSL)), or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid State Disk (SSD)), etc.
Fig. 7 is a schematic structural diagram of a terminal device 700 according to an embodiment of the present application. As shown in fig. 7, the terminal device may include: the system comprises a processor 71, a memory 72, a communication interface 73 and a system bus 74, wherein the memory 72 and the communication interface 73 are connected with the processor 71 through the system bus 74 and are used for completing communication among each other, the memory 72 is used for storing computer execution instructions, the communication interface 73 is used for communicating with other devices, and the scheme of the terminal device in the embodiment shown in the above-mentioned fig. 2-4 is realized when the processor 71 executes the computer program.
Fig. 8 is a schematic structural diagram of a radio access network device 800 according to an embodiment of the present application. As shown in fig. 8, the radio access network device may include: the wireless access network system comprises a processor 81, a memory 82, a communication interface 83 and a system bus 84, wherein the memory 82 and the communication interface 83 are connected with the processor 81 through the system bus 84 and are used for achieving communication among the processor 81, the memory 82 is used for storing computer execution instructions, the communication interface 83 is used for communicating with other devices, and the scheme of the wireless access network in the embodiment shown in the above-mentioned figures 2-4 is realized when the processor 81 executes the computer program.
The system bus mentioned in fig. 7 and 8 may be a peripheral component interconnect standard (peripheral component interconnect, PCI) bus, an extended industry standard architecture (extended industry standard architecture, EISA) bus, or the like. The system bus may be classified into an address bus, a data bus, a control bus, and the like. For ease of illustration, the figures are shown with only one bold line, but not with only one bus or one type of bus. The communication interface is used to enable communication between the database access apparatus and other devices (e.g., clients, read-write libraries, and read-only libraries). The memory may comprise random access memory (random access memory, RAM) and may also include non-volatile memory (non-volatile memory), such as at least one disk memory.
The processors mentioned in fig. 7 and 8 may be general purpose processors including central processing units CPU, network processors (network processor, NP), etc.; but may also be a digital signal processor DSP, an application specific integrated circuit ASIC, a field programmable gate array FPGA or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component.
Optionally, an embodiment of the present application further provides a storage medium, where instructions are stored, when the storage medium runs on a computer, to cause the computer to perform the method of the embodiment shown in fig. 2 to fig. 4.
Optionally, an embodiment of the present application further provides a chip for executing instructions, where the chip is configured to perform the method of the embodiments shown in fig. 2 to fig. 4.
Embodiments of the present application also provide a program product comprising a computer program stored in a storage medium, from which at least one processor can read, the at least one processor executing the computer program implementing the method of the embodiments shown in fig. 2 to 4.
In embodiments of the present application, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a alone, a and B together, and B alone, wherein a, B may be singular or plural. The character "/" generally indicates that the front and rear associated objects are an "or" relationship; in the formula, the character "/" indicates that the front and rear associated objects are a "division" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b, or c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or plural.
It will be appreciated that the various numbers referred to in the embodiments of the present application are merely for ease of description and are not intended to limit the scope of the embodiments of the present application.
It should be understood that, in the embodiment of the present application, the sequence number of each process does not mean that the execution sequence of each process should be determined by the function and the internal logic, and should not limit the implementation process of the embodiment of the present application.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

Claims (21)

1. A method of communication, comprising:
the terminal equipment receives indication information, wherein the indication information is used for indicating that PUCCH (physical uplink control information) is repeatedly sent on at least two PUCCH resources;
The terminal equipment repeatedly sends PUCCH on the at least two PUCCH resources based on the resource identifiers of the at least two PUCCH resources;
the terminal device repeatedly sends PUCCHs on the at least two PUCCH resources based on the resource identities of the at least two PUCCH resources, including:
the terminal equipment acquires target PUCCH resource indication according to the indication information;
the terminal equipment determines indexes of the at least two PUCCH resources corresponding to the target PUCCH resource indication according to the corresponding relation between the PUCCH resource indication and the PUCCH resource indexes;
the terminal equipment repeatedly sends PUCCH (physical uplink control channel) on the at least two PUCCH resources based on resource identifiers corresponding to indexes of the at least two PUCCH resources;
the terminal device repeatedly sends PUCCHs on the at least two PUCCH resources, and further includes:
if the resource identifiers of the at least two PUCCH resources are not configured, the terminal equipment takes the preset resource identifiers as the resource identifiers of the at least two PUCCH resources, wherein the resource identifiers are not configured as the corresponding relation between the radio access network equipment which is not configured with the PUCCH resource indication and the PUCCH resource index in advance, or the terminal equipment does not acquire the corresponding relation between the PUCCH resource indication and the PUCCH resource index.
2. The method of claim 1, wherein the resource identities of the at least two PUCCH resources are different from each other, or the resource identities of the at least two PUCCH resources are partially the same, or the resource identities of the at least two PUCCH resources are the same.
3. The method according to claim 1, wherein before determining the index of the at least two PUCCH resources corresponding to the target PUCCH resource indication according to the correspondence between PUCCH resource indications and PUCCH resource indexes, the terminal device further includes:
and the terminal equipment receives the corresponding relation between the PUCCH resource indication and the PUCCH resource index.
4. The method of claim 3, wherein the resource identification comprises spatial domain information or transmission configuration indication, TCI, state QCL-type information.
5. The method of claim 4, wherein the preset resource identifier is an active TCI state corresponding to a minimum TCI number or code point of TCI numbers or code points including two active TCI states.
6. A method of communication, comprising:
the method comprises the steps that a wireless access network device sends indication information to a terminal device, wherein the indication information is used for indicating the terminal device to repeatedly send PUCCH (physical uplink control information) on at least two PUCCH resources;
Before the wireless access network device sends the indication information to the terminal device, the wireless access network device further comprises:
the wireless access network equipment determines target PUCCH resource indications corresponding to the at least two PUCCH resources according to the corresponding relation between the PUCCH resource indications and the PUCCH resource indexes;
and the wireless access network equipment generates the indication information according to the target PUCCH resource indication.
7. The method of claim 6, wherein the resource identities of the at least two PUCCH resources are different from each other, or the resource identities of the at least two PUCCH resources are partially the same, or the resource identities of the at least two PUCCH resources are the same.
8. The method of claim 6, wherein the radio access network device, before determining the target PUCCH resource indication corresponding to the at least two PUCCH resources according to the correspondence between PUCCH resource indications and PUCCH resource indexes, further comprises:
and the wireless access network equipment sends the corresponding relation between the PUCCH resource indication and the PUCCH resource index to the terminal equipment.
9. The method of claim 7, wherein the resource identification comprises spatial domain information or transmission configuration indication, TCI, state QCL-type information.
10. A communication device, comprising:
the receiving module is used for receiving indication information, wherein the indication information is used for indicating that PUCCH (physical uplink control information) resources are repeatedly sent;
a processing module, configured to repeatedly send PUCCHs on the at least two PUCCH resources based on resource identifiers of the at least two PUCCH resources;
the processing module is specifically configured to:
acquiring target PUCCH resource indication according to the indication information;
determining indexes of the at least two PUCCH resources corresponding to the target PUCCH resource indication according to the corresponding relation between the PUCCH resource indication and the PUCCH resource indexes;
repeatedly transmitting PUCCH on the at least two PUCCH resources based on resource identifiers corresponding to indexes of the at least two PUCCH resources;
the processing module is also specifically configured to:
and if the resource identifiers of the at least two PUCCH resources are not configured, taking the preset resource identifiers as the resource identifiers of the at least two PUCCH resources, wherein the resource identifiers are not configured as the corresponding relation between the radio access network equipment and the PUCCH resource index, which is not configured in advance, or the terminal equipment does not acquire the corresponding relation between the PUCCH resource indication and the PUCCH resource index.
11. The apparatus of claim 10, wherein the resource identities of the at least two PUCCH resources are different from each other, or wherein the resource identities of the at least two PUCCH resources are partially identical, or wherein the resource identities of the at least two PUCCH resources are identical.
12. The apparatus of claim 10, wherein the receiving module is further configured to:
and receiving the corresponding relation between the PUCCH resource indication and the PUCCH resource index.
13. The apparatus of claim 12, wherein the resource identification comprises spatial domain information or transmission configuration indication, TCI, state QCL-type information.
14. The apparatus of claim 13, wherein the preset resource identifier is an active TCI state corresponding to a minimum TCI number or code point of TCI numbers or code points including two active TCI states.
15. A communication device, comprising: the processing module and the sending module;
the processing module is configured to send indication information to a terminal device through the sending module, where the indication information is used to instruct the terminal device to repeatedly send PUCCH on at least two physical uplink control information PUCCH resources;
The processing module is further configured to:
determining target PUCCH resource indications corresponding to the at least two PUCCH resources according to the corresponding relation between the PUCCH resource indications and the PUCCH resource indexes;
and generating the indication information according to the target PUCCH resource indication.
16. The apparatus of claim 15, wherein the resource identities of the at least two PUCCH resources are different from each other, or wherein the resource identities of the at least two PUCCH resources are partially identical, or wherein the resource identities of the at least two PUCCH resources are identical.
17. The apparatus of claim 16, wherein the means for transmitting is further configured to:
and sending the corresponding relation between the PUCCH resource indication and the PUCCH resource index to the terminal equipment.
18. The apparatus of claim 16, wherein the resource identification comprises spatial domain information or transmission configuration indication, TCI, state QCL-type information.
19. A terminal device, comprising:
a memory for storing program instructions;
a processor for invoking and executing program instructions in said memory to perform the method steps of any of claims 1-5.
20. A radio access network device, comprising:
A memory for storing program instructions;
a processor for invoking and executing program instructions in said memory to perform the method steps of any of claims 6-9.
21. A readable storage medium, characterized in that the readable storage medium has stored therein a computer program for executing the method of any one of claims 1-5 or any one of claims 6-9.
CN202010093404.5A 2020-02-14 2020-02-14 Communication method, device, terminal equipment and wireless access network equipment Active CN113271663B (en)

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