WO2018170699A1 - 一种传输控制信令的方法、基站及终端 - Google Patents

一种传输控制信令的方法、基站及终端 Download PDF

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Publication number
WO2018170699A1
WO2018170699A1 PCT/CN2017/077378 CN2017077378W WO2018170699A1 WO 2018170699 A1 WO2018170699 A1 WO 2018170699A1 CN 2017077378 W CN2017077378 W CN 2017077378W WO 2018170699 A1 WO2018170699 A1 WO 2018170699A1
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WO
WIPO (PCT)
Prior art keywords
control signaling
downlink control
terminal
base station
acknowledgement message
Prior art date
Application number
PCT/CN2017/077378
Other languages
English (en)
French (fr)
Inventor
张治�
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to AU2017405380A priority Critical patent/AU2017405380B2/en
Priority to PCT/CN2017/077378 priority patent/WO2018170699A1/zh
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to SG11201908776R priority patent/SG11201908776RA/en
Priority to BR112019019660A priority patent/BR112019019660A2/pt
Priority to CA3057380A priority patent/CA3057380C/en
Priority to MX2019011230A priority patent/MX2019011230A/es
Priority to CN201780088782.0A priority patent/CN110447185B/zh
Priority to RU2019132930A priority patent/RU2735152C1/ru
Priority to EP17901915.3A priority patent/EP3598672B1/en
Priority to CN202010091786.8A priority patent/CN111314038B/zh
Priority to KR1020197030713A priority patent/KR102371187B1/ko
Publication of WO2018170699A1 publication Critical patent/WO2018170699A1/zh
Priority to US16/576,037 priority patent/US11758544B2/en
Priority to PH12019502165A priority patent/PH12019502165A1/en
Priority to IL269493A priority patent/IL269493B2/en
Priority to ZA2019/06835A priority patent/ZA201906835B/en

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    • 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
    • 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
    • H04L1/14—Arrangements for detecting or preventing errors in the information received by using return channel in which the signals are sent back to the transmitter to be checked ; echo 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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1864—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • 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
    • 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
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
    • 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
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1893—Physical mapping arrangements
    • 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
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, a base station, and a terminal for transmitting control signaling.
  • the base station can carry downlink control information (Downlink Control Information, DCI) to the terminal by being carried by the physical downlink control channel (PDCCH) in order to communicate with the terminal.
  • DCI Downlink Control Information
  • the content includes uplink and downlink resource scheduling information, HARQ Hybrid Auto Repeat Request (HARQ) information, and power control information. These key information is very important for the base station to communicate with the terminal normally.
  • HARQ Hybrid Auto Repeat Request
  • the DCI usually carries the uplink scheduling information or the downlink scheduling information
  • the base station may send the uplink data corresponding to the uplink scheduling information by the terminal, or after the terminal receives the downlink data corresponding to the downlink scheduling information.
  • ACK/NACK acknowledgment/non-acknowledgement
  • the base station cannot directly and accurately know whether the terminal successfully receives the DCI, and the obtained result has low reliability, which is disadvantageous for the base station to perform subsequent related control signaling configuration and transmission.
  • the embodiment of the invention provides a method, a base station and a terminal for transmitting control signaling, which can ensure that the base station knows the receiving condition of the important control signaling in time, which facilitates the configuration and transmission of the subsequent control signaling, and improves the Reliability of the 5G NR system.
  • a first aspect of the embodiments of the present invention provides a method for transmitting control signaling, including:
  • the base station sends a first downlink control signaling to the terminal, and the first downlink control signaling indicates, by the first downlink control signaling, whether the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling;
  • the base station indicates that the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling, receiving an acknowledgement message fed back by the terminal.
  • the determining, by the first downlink control signaling, whether the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling includes:
  • the base station configures a preset bit in the first downlink control signaling to indicate whether the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling.
  • the determining, by the first downlink control signaling, whether the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling includes:
  • the base station pre-configures a type of information that needs to feed back an acknowledgement message, and sends the type of the information to the terminal, or pre-stores, by the terminal, a type of information that needs a feedback acknowledgement message;
  • the method further includes:
  • the base station allocates a resource for feeding back an acknowledgment message to the terminal, and includes information about the resource in the first downlink control signaling.
  • the base station allocates, by the base station, a resource for feeding back an acknowledgement message, including:
  • the base station allocates a physical uplink control channel resource to the terminal according to a current resource occupation condition, and is used for feeding back an acknowledgement message;
  • the base station allocates the reserved physical uplink control channel resource to the terminal, for feeding back an acknowledgement message
  • the base station selects at least one resource from the pre-configured physical uplink control channel candidate resource list to be allocated to the terminal for feeding back an acknowledgement message.
  • the first downlink control signaling is sent to at least two terminals.
  • Public downlink control signaling the method further includes:
  • the base station adds version number information to the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the method further includes:
  • the first downlink control signaling is a common downlink control signaling that is sent to the at least two terminals, and the method further includes:
  • the base station adds version number information to the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the method further includes:
  • the base station sends a second downlink control signaling to the terminal, where the second downlink control signaling includes a version number of the common downlink control signaling that needs to be acknowledged by the terminal, and a feedback confirmation for the terminal. Resource information for the message.
  • a second aspect of the embodiments of the present invention provides a method for transmitting control signaling, including:
  • the terminal If the terminal needs to feed back an acknowledgement message corresponding to the reception condition of the first downlink control signaling, the terminal sends an acknowledgement message to the base station.
  • the terminal determines whether it is required to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling, including:
  • the terminal acquires a value of a preset bit in the first downlink control signaling, and determines, according to the value of the preset bit, whether feedback needs to be corresponding to the receiving condition of the first downlink control signaling. Confirm the message.
  • the terminal determines whether it is required to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling, including:
  • the method further includes:
  • the terminal belongs to a terminal group that receives the same downlink control signaling, and the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals, where the method Also includes:
  • the version number information is fed back to the base station through pre-configured physical uplink control channel resources.
  • the terminal belongs to a terminal group that receives the same downlink control signaling, and the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals, where the method Also includes:
  • Second downlink control signaling that is sent by the base station to the terminal, where the second downlink control signaling includes a version number of the common downlink control signaling that is required to be acknowledged by the terminal, and a Feedback resource information of the confirmation message;
  • a confirmation message is fed back to the base station.
  • a third aspect of the embodiments of the present invention provides a base station, including:
  • a sending unit configured to send, to the terminal, first downlink control signaling
  • the processing unit indicates, by using the first downlink control signaling, whether the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling;
  • a receiving unit configured to: if the base station indicates that the terminal needs feedback and the first downlink control letter Receiving an acknowledgement message corresponding to the reception status of the command, receiving a confirmation message fed back by the terminal.
  • the processing unit is specifically configured to:
  • the preset bit in the first downlink control signaling is used to indicate whether the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling.
  • the processing unit is specifically configured to:
  • the sending unit is further configured to send the type of the information to the terminal, or pre-store a type of information that needs a feedback confirmation message by the terminal;
  • the processing unit if the processing unit indicates that the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling, the processing unit is further configured to:
  • the processing unit is specifically configured to:
  • the reserved physical uplink control channel resource is allocated to the terminal, for feeding back an acknowledgement message
  • At least one resource selected from the pre-configured physical uplink control channel candidate resource list is allocated to the terminal for feeding back an acknowledgement message.
  • the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processing unit is further configured to add version number information to the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the receiving unit is further configured to receive the The version number information of the terminal through the pre-configured physical uplink control channel resource feedback.
  • the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processing unit is further configured to add version number information to the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the sending unit is further configured to send the second downlink control signaling to the terminal after the sending the common downlink control signaling, where the second downlink control signaling includes a common downlink control signaling that is required to be acknowledged by the terminal.
  • a fourth aspect of the present invention provides a base station, including:
  • a processor configured to call the program code stored in the memory, and performs the following operations:
  • the acknowledgement message fed back by the terminal is received by the transceiver.
  • the processor is specifically configured to configure a preset bit in the first downlink control signaling to indicate whether the terminal needs to feed back the first downlink control signal.
  • a confirmation message corresponding to the reception status of the order.
  • the processor is specifically configured to pre-configure a type of information that needs to feed back an acknowledgement message, send the type of the information to the terminal by using the transceiver, or pre-predict by the terminal The type of information that stores the feedback confirmation message;
  • the processor is further configured to:
  • the processor is specifically configured to:
  • the reserved physical uplink control channel resource is allocated to the terminal, for feeding back an acknowledgement message
  • At least one resource selected from the pre-configured physical uplink control channel candidate resource list is allocated to the terminal for feeding back an acknowledgement message.
  • the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processor is further configured to add version number information to the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the terminal After transmitting the public downlink control signaling and indicating that the terminal needs to feed back an acknowledgement message corresponding to the receiving situation of the common downlink control signaling by using the common downlink control signaling
  • the version number information of the channel resource feedback is controlled by the pre-configured physical uplink.
  • the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processor is further configured to add version number information to the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the transceiver Transmitting, by the transceiver, the second downlink control signaling to the terminal, after the sending the common downlink control signaling, where the second downlink control signaling includes a version of the public downlink control signaling that is required to be acknowledged by the terminal. And a resource information allocated to the terminal for feeding back a confirmation message.
  • a fifth aspect of the embodiments of the present invention provides a terminal, including:
  • a receiving unit configured to receive first downlink control signaling sent by the base station
  • a processing unit configured to determine, according to the first downlink control signaling, whether an acknowledgement message corresponding to the receiving condition of the first downlink control signaling needs to be fed back;
  • a sending unit configured to send an acknowledgement message to the base station if the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling.
  • the processing unit is specifically configured to:
  • the receiving unit is further configured to receive, by the base station, a type of information that is pre-configured to require a feedback acknowledgement message, or pre-store the type of information that needs to be fed back to the acknowledgement message by the terminal;
  • the processing unit is configured to determine, by using a type of the information included in the first downlink control signaling, whether an acknowledgement message corresponding to the receiving condition of the first downlink control signaling needs to be fed back.
  • the terminal belongs to a terminal group that receives the same downlink control signaling, where the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processing unit is further configured to obtain version number information from the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the sending unit is further configured to feed back the version number information to the base station by using a pre-configured physical uplink control channel resource.
  • the terminal belongs to a terminal group that receives the same downlink control signaling, where the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processing unit is further configured to obtain version number information from the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the receiving unit is further configured to receive a second downlink control signaling that is sent by the base station to the terminal, where the second downlink control signaling includes a version number of the common downlink control signaling that is required to be acknowledged by the terminal, and Resource information allocated by the terminal for feeding back an acknowledgement message;
  • the sending unit is further configured to feed back an acknowledgement message to the base station.
  • a sixth aspect of the embodiments of the present invention provides a terminal, including:
  • a processor configured to perform the following operations:
  • the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling, sending, by the transceiver, an acknowledgement message to the base station.
  • the processing unit is specifically configured to:
  • the processor is specifically configured to:
  • the processor is further configured to:
  • the terminal belongs to a terminal group that receives the same downlink control signaling, where the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processor is further configured to obtain version number information from the control signaling in the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the version number information is fed back to the base station through the pre-configured physical uplink control channel resources and through the transceiver.
  • the terminal belongs to a terminal group that receives the same downlink control signaling, where the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processor is further configured to obtain version number information from the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the transceiver Receiving, by the transceiver, a second downlink control signaling that is sent by the base station to the terminal, where the second downlink control signaling includes a version number of the common downlink control signaling that is required to be acknowledged by the terminal, and is Resource information allocated by the terminal for feeding back the confirmation message;
  • a confirmation message is fed back to the base station by the transceiver.
  • a seventh aspect of the embodiments of the present invention provides a computer storage medium, the computer storage medium
  • a set of program code is included for performing the method of any of the implementations of the first aspect of the embodiments of the present invention.
  • the eighth aspect of the embodiments of the present invention provides a computer storage medium, comprising a program code, for performing the method according to any implementation of the second aspect of the embodiments of the present invention.
  • the first downlink control signaling may be used to instruct the terminal to feed back an acknowledgement message corresponding to the first control signaling receiving situation, so that the base station directly, accurately, and quickly Knowing the receiving situation on the terminal side facilitates the configuration and transmission of subsequent control signaling, which improves the reliability of the 5G NR system.
  • FIG. 1 is a schematic structural diagram of a communication system in an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart of a first embodiment of a method for transmitting control signaling according to the present invention
  • FIG. 3 is a schematic flowchart of a second embodiment of a method for transmitting control signaling according to the present invention.
  • FIG. 4 is a schematic flowchart diagram of a third embodiment of a method for transmitting control signaling according to the present invention.
  • FIG. 5 is a schematic flowchart diagram of a fourth embodiment of a method for transmitting control signaling according to the present invention.
  • FIG. 6 is a schematic flowchart diagram of a fifth embodiment of a method for transmitting control signaling according to the present invention.
  • FIG. 7 is a schematic flowchart diagram of a sixth embodiment of a method for transmitting control signaling according to the present invention.
  • FIG. 8 is a schematic flowchart diagram of a seventh embodiment of a method for transmitting control signaling according to the present invention.
  • FIG. 9 is a schematic flowchart of an eighth embodiment of a method for transmitting control signaling according to the present invention.
  • FIG. 10 is a schematic structural diagram of a first embodiment of a base station according to the present invention.
  • FIG. 11 is a schematic structural diagram of a second embodiment of a base station according to the present invention.
  • FIG. 12 is a schematic structural diagram of a first embodiment of a terminal according to the present invention.
  • Figure 13 is a schematic diagram showing the composition of a second embodiment of the terminal of the present invention.
  • the embodiment of the present invention provides a method for transmitting control signaling, so that after receiving the DCI sent by the base station, the terminal may determine whether to feed back the DCI according to the indication of the base station, when feedback is needed. Send an acknowledgment message to the base station.
  • the embodiment of the present invention is described in a 5G system, and those skilled in the art should understand that the embodiments in the embodiments of the present invention are equally applicable to existing communication systems and communications of higher levels such as 6G and 7G in the future.
  • the system is not limited in any way by the embodiment of the present invention.
  • FIG. 1 is a schematic structural diagram of a communication system in an embodiment of the present invention.
  • the base station and the at least one terminal may be included, and the terminal may also be referred to as a user equipment (User Equipment, UE).
  • UE User Equipment
  • the base station may be an evolved Node B (eNB), a Node B (Node B, NB), a Base Station Controller (BSC), a Base Transceiver Station (BTS), and a home base station. (for example, Home evolved NodeB, or Home Node B, HNB), BaseBand Unit (BBU), and the like. It may also be referred to by those skilled in the art as a base transceiver station, a wireless base station, a wireless transceiver, a transceiver function, a Base Station Subsystem (BSS), or some other suitable terminology.
  • eNB evolved Node B
  • BSC Base Station Controller
  • BTS Base Transceiver Station
  • HNB BaseBand Unit
  • BSS Base Station Subsystem
  • the device may carry the scheduling downlink control signaling in the PDCCH, and may specifically include a transmission format, a resource allocation, an uplink scheduling permission, a power control, and an uplink retransmission information. And can transmit downlink data of the service to the UE, and retransmit the receiving terminal. Feedback and so on.
  • the base station may indicate in the DCI, and if the base station does not indicate, the terminal may not perform feedback to save resource overhead.
  • the terminal may include a cellular phone, a smart phone, a Session Initiation Protocol (SIP) phone, a laptop computer, a Personal Digital Assistant (PDA), a satellite radio, a global positioning system, a multimedia device, and a video.
  • a device a digital audio player (eg, an MP3 player), a camera, a game console, or any other device of similar functionality.
  • a terminal may also be referred to by a person skilled in the art as a mobile station, a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile device.
  • Terminal wireless terminal, remote terminal, handheld device, user agent, mobile client, client or some other suitable terminology. It may receive control signaling configured by the base station and time domain resources and/or frequency domain resources and/or code domain resources scheduled by the base station to perform uplink service data and transmission of the acknowledgement message.
  • FIG. 2 is a schematic flowchart of a first embodiment of a method for transmitting control signaling according to the present invention.
  • the method for transmitting control signaling includes the following steps:
  • the base station sends the first downlink control signaling to the terminal, and the first downlink control signaling indicates, by the first downlink control signaling, whether the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling.
  • the acknowledgement message here may be a common acknowledgement/non-acknowledgement (ACK/NACK) message, for example, if the base station indicates that the terminal needs to feed back an acknowledgement message corresponding to the reception condition of the first downlink control signaling, the terminal The ACK message may be fed back when the first downlink control signaling is successfully received, and the NACK message is fed back when the first downlink control signaling is not successfully received.
  • ACK/NACK common acknowledgement/non-acknowledgement
  • the acknowledgment message may also be a reconfiguration of other existing uplink messages, for example, selecting an idle bit in the existing uplink message to indicate whether the first downlink control signaling is successfully received; or It is a newly constructed other message, such as a one-bit short message, a value of 1 for successful reception, and a value of 0 for unsuccessful reception of a feedback confirmation message.
  • the embodiment of the present invention does not serve What is the limit.
  • the base station may adopt an explicit indication or an implicit indication.
  • the base station may configure a preset bit in the first downlink control signaling to explicitly indicate whether the terminal needs to feed back and receive the first downlink control signaling. A confirmation message corresponding to the situation. If the preset bit is a value, the terminal is instructed to feed back the acknowledgement message. When the preset bit is 0, the terminal is instructed not to feed back the acknowledgement message.
  • the base station may pre-configure the type of information that needs to feed back the acknowledgement message, send the type of the information to the terminal, or pre-store the type of information that needs to be fed back to the acknowledgement message by the terminal;
  • the important information belongs to the pre-configured or pre-stored important information.
  • Type when the terminal receives the control signaling including these types, the terminal needs to feed back a confirmation message to the receiving condition of the first DCI.
  • the base station may flexibly configure the terminal default feedback acknowledgement message according to service requirements in some specific application scenarios.
  • the confirmation message is not fed back by default, and is not limited in any embodiment of the present invention.
  • the base station If the base station indicates that the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling, the base station receives an acknowledgement message fed back by the terminal.
  • the terminal For the terminal, it does not know in advance which base station the first DCI is sent by the base station, so the terminal performs blind detection on the resource where the physical downlink control channel (PDCCH) is located. If the first DCI detected by the terminal passes the Cyclic Redundancy Check (CRC), the terminal considers that it successfully received the first DCI sent by the base station, and then can send back a confirmation message of successful reception to the base station. If the terminal does not detect the first DCI within a predetermined time period or the first DCI does not pass the cyclic redundancy check, the terminal considers that it has not successfully received the first DCI sent by the base station, and may then acknowledge the failure of receiving the failure. The message is sent to the base station.
  • CRC Cyclic Redundancy Check
  • the terminal when the terminal sends the acknowledgment message, the terminal may directly use the specific resource specified by the system to send, or use a specific resource that is pre-negotiated with the base station to perform the transmission, or may also allocate resources to the terminal by the base station when the acknowledgment message needs to be sent.
  • the embodiment of the present invention is not limited.
  • the base station may determine, according to the received acknowledgment message, whether the terminal successfully receives the currently transmitted first DCI, and if successfully received, may subsequently send the subsequent DCI, such as the second DCI, etc., if not successfully received, the base station may perform Retransmission of the first DCI.
  • the terminal may not feed back the acknowledgement message.
  • the first downlink control signaling may be used to instruct the terminal to feed back an acknowledgement message corresponding to the first control signaling receiving situation, which is beneficial to the base station.
  • the base station directly, accurately, and quickly learns the receiving situation on the terminal side, which facilitates the configuration and transmission of subsequent control signaling, and improves the reliability of the 5G NR system.
  • FIG. 3 it is a schematic flowchart of a second embodiment of a method for transmitting control signaling according to the present invention.
  • the method includes the following steps:
  • the base station sends a first downlink control signaling to the terminal, and the first downlink control signaling indicates, by the first downlink control signaling, whether the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling.
  • the base station If the base station indicates that the terminal needs to feed back an acknowledgment message corresponding to the receiving condition of the first downlink control signaling, the base station allocates a resource for feeding back an acknowledgement message to the terminal, where The information of the resource is included in the first downlink control signaling.
  • the base station may allocate a Physical Uplink Control Channel (PUCCH) resource to the terminal according to a current resource occupation condition, for feeding back a confirmation message; for example, currently If the resources are not occupied, the base station can allocate these resources to the terminal for feedback confirmation message.
  • PUCCH Physical Uplink Control Channel
  • the base station may allocate the reserved physical uplink control channel resource to the terminal for feeding back an acknowledgment message; the reserved resource may be used by the base station according to the feedback requirement of the control signaling in the next period of time.
  • the base station may pre-predict Leave some resources for these terminals to use.
  • the base station can release this part of the resources.
  • the base station may further select at least one resource allocation from the pre-configured physical uplink control channel candidate resource list to the terminal for feeding back an acknowledgement message.
  • the base station may configure some candidate resources for feeding back the acknowledgement message to the terminal in advance, and then indicate which resource is specifically used by the first DCI.
  • the base station may pre-configure a PUCCH candidate resource list by using a RRC Radio Resource Control (RRC) message, where the PUCCH resource in the list is used by the terminal to feed back an acknowledgement message, and the base station will be in the first DCI thereafter. Indicates which resource of the aforementioned list will be used by the terminal to feed back the acknowledgment message.
  • RRC Radio Resource Control
  • the foregoing resources may include time domain resources and/or frequency domain resources and/or code domain resources of the PUCCH.
  • the manner in which the base station allocates resources for feeding back the acknowledgment message to the terminal is specifically described.
  • the base station can flexibly select and configure according to the feedback requirement and the current resource occupation situation, so as to ensure that the terminal can normally feedback the confirmation message, further improving.
  • the reliability of the system is specifically described.
  • the important control signaling sent by the base station is often universal, that is, applicable to many terminals.
  • the base station can transmit some important control signaling to the terminal in the form of broadcast or multicast to the group terminal by using the common common DCI.
  • the terminal may also feed back an acknowledgement message to the base station according to the needs of the base station.
  • FIG. 4 is a schematic flowchart of a third embodiment of a method for transmitting control signaling according to the present invention.
  • the terminal belongs to a terminal group that receives the same downlink control signaling, and the first downlink is
  • the control signaling is common downlink control signaling sent to at least two terminals, and the method includes the following steps:
  • the base station adds version number information to the common downlink control signaling.
  • the version number information is used to distinguish different common downlink control signaling.
  • the base station sends a common downlink control signaling to the terminal, and the public downlink control signaling indicates that the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the common downlink control signaling.
  • the terminal in the embodiment of FIG. 2 may be used to indicate whether the terminal needs to correctly receive the DCI.
  • the base station may pre-configure the PUCCH resource of the feedback confirmation message for the terminal by using separate high layer signaling (such as RRC signaling) or physical layer signaling (such as DCI).
  • the base station can add a version number to the group common DCI to distinguish different common downlink control signaling.
  • the terminal may feed back the corresponding version number information to the base station on the PUCCH resource preset by the base station.
  • the base station When the base station receives the version number information fed back by the terminal, it can determine which common downlink control signaling is received by which terminal.
  • the version number may be associated with the specific information included in the common control signaling, which is not limited in the embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a fourth embodiment of a method for transmitting control signaling according to the present invention.
  • the terminal belongs to a terminal group that receives the same downlink control signaling, and the first downlink is
  • the control signaling is common downlink control signaling sent to at least two terminals, and the method includes the following steps:
  • the base station adds version number information to the common downlink control signaling.
  • the version number information is used to distinguish different common downlink control signaling.
  • the base station sends a common downlink control signaling to the terminal.
  • the second downlink control signaling includes a version number of the common downlink control signaling that is required to be acknowledged by the terminal, and resource information that is allocated to the terminal for feeding back an acknowledgement message.
  • step S503 can be initiated at any time after the step S502, which is not limited in the embodiment of the present invention.
  • the base station When the base station transmits control signaling to a group of terminals by using the group common DCI, the base station cannot confirm that these control signalings are valid for all terminals. At this time, if all receiving terminals are required to be reversed to the base station Feeding confirmation messages can easily lead to waste of resources. Therefore, the base station can request a specified terminal feedback acknowledgement message according to its own needs.
  • the base station may add a version number to the control signaling to distinguish different common downlink control signaling. If the base station needs to confirm whether a certain control signaling transmitted by the group common DCI is received in the subsequent time, the base station may send the physical layer control signaling to the corresponding terminal by using the second DCI, including the terminal confirmation.
  • the version number information of the common downlink control signaling, and the corresponding PUCCH resource is allocated to the terminal. For the manner of resource allocation, refer to the detailed description of the embodiment shown in FIG. 3, and details are not described herein again.
  • the terminal After receiving the second DCI, if the terminal receives the public downlink control signaling corresponding to the version number, the terminal may send an acknowledgement message, such as an ACK message, to the base station on the PUCCH resource indicated by the second DCI; If the public downlink control signaling corresponding to the version number is not received, the terminal may transmit an unacknowledged acknowledgement message, such as a NACK message, to the base station on the PUCCH resource indicated by the second DCI.
  • an acknowledgement message such as an ACK message
  • the base station may perform an indication of whether to feed back an acknowledgement message in the common downlink control signaling, and
  • the resource is allocated to the terminal in advance, and the acknowledgement message fed back by the terminal mainly includes the version number information of the common downlink control signaling.
  • the base station may not perform the indication of whether to feed back the acknowledgement message in the common downlink control signaling, but may send the second DCI to carry the public that needs to confirm the reception when a specific terminal feedback acknowledgement message is needed.
  • the version number information of the downlink control signaling and the resource information allocated for the terminal are not fed back after the terminal receives the second DCI. Thereby, the resource consumption can be reduced, and the validity and purpose of the feedback of the confirmation message can be improved.
  • FIG. 6 is a schematic flowchart of a fifth embodiment of a method for transmitting control signaling according to the present invention.
  • the method for transmitting control signaling includes:
  • the terminal receives the first downlink control signaling sent by the base station.
  • the terminal determines, according to the first downlink control signaling, whether an acknowledgement message corresponding to the receiving condition of the first downlink control signaling needs to be fed back.
  • the terminal may obtain a value of a preset bit in the first downlink control signaling, and determine, according to the value of the preset bit, whether feedback and the first downlink control signaling are needed. Receiving A confirmation message corresponding to the situation.
  • the terminal may receive a type of information that is pre-configured by the base station and needs a feedback acknowledgement message, or pre-store a type of information that needs a feedback acknowledgement message by the terminal;
  • the terminal If the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling, the terminal sends an acknowledgement message to the base station.
  • FIG. 6 is a description of an embodiment on the terminal side. For details, refer to the description of the embodiment on the base station side shown in FIG. 2, and details are not described herein again.
  • FIG. 7 is a schematic flowchart of a sixth embodiment of a method for transmitting control signaling according to the present invention.
  • the method for transmitting control signaling includes:
  • the terminal receives the first downlink control signaling sent by the base station.
  • S702 The terminal determines, according to the first downlink control signaling, whether to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling. If yes, steps S703-S704 are performed, otherwise no feedback confirmation message is needed.
  • the terminal acquires, by using the first downlink control signaling, information about resources allocated by the base station to the terminal.
  • the resource is used by the terminal to feed back an acknowledgement message.
  • the terminal sends an acknowledgement message to the base station.
  • FIG. 7 is a description of an embodiment on the terminal side. For details, refer to the description of the embodiment on the base station side shown in FIG. 3, and details are not described herein again.
  • FIG. 8 is a schematic flowchart of a seventh embodiment of a method for transmitting control signaling according to the present invention.
  • the method for transmitting control signaling includes:
  • the terminal receives the common downlink control signaling sent by the base station.
  • the version number information is used to distinguish different common downlink control signaling.
  • FIG. 8 is a description of an embodiment on the terminal side. For details, refer to the description of the embodiment on the base station side shown in FIG. 3, and details are not described herein again.
  • FIG. 9 is a schematic flowchart of an eighth embodiment of a method for transmitting control signaling according to the present invention.
  • the method for transmitting control signaling further includes:
  • the terminal receives the common downlink control signaling sent by the base station.
  • the version number information is used to distinguish different common downlink control signaling.
  • the second downlink control signaling includes a version number of the common downlink control signaling that is required to be acknowledged by the terminal, and resource information that is allocated to the terminal for feeding back an acknowledgement message.
  • FIG. 9 is a description of an embodiment on the terminal side. For the specific process, refer to the description of the embodiment on the base station side shown in FIG. 5, and details are not described herein again.
  • the base station includes:
  • the sending unit 100 is configured to send, to the terminal, first downlink control signaling
  • the processing unit 200 indicates, by using the first downlink control signaling, whether the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling;
  • the receiving unit 300 is configured to receive an acknowledgement message fed back by the terminal if the base station indicates that the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling.
  • processing unit 200 is specifically configured to:
  • the preset bit in the first downlink control signaling is used to indicate whether the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling.
  • processing unit 200 is specifically configured to:
  • the sending unit is further configured to send the type of the information to the terminal, or pre-store a class of information requiring a feedback confirmation message by the terminal type;
  • the processing unit 200 is further configured to:
  • processing unit 200 is specifically configured to:
  • the reserved physical uplink control channel resource is allocated to the terminal, for feeding back an acknowledgement message
  • At least one resource selected from the pre-configured physical uplink control channel candidate resource list is allocated to the terminal for feeding back an acknowledgement message.
  • the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals,
  • the processing unit 200 is further configured to add version number information to the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the receiving unit 300 is further configured to receive The terminal controls the version number information of the channel resource feedback through the pre-configured physical uplink.
  • the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals,
  • the processing unit 200 is further configured to add version number information to the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the sending unit 100 is further configured to send a second downlink control signaling to the terminal after the sending the common downlink control signaling, where the second downlink control signaling includes a public downlink control signal that needs to be confirmed by the terminal. a version number of the order and resource information allocated for the terminal for feedback confirmation message;
  • the receiving unit 300 is further configured to receive an acknowledgement message fed back by the terminal.
  • FIG. 11 is a schematic structural diagram of a second embodiment of a base station according to the present invention.
  • the base station includes:
  • a processor 110 a memory 120, a transceiver 130, and a bus 140
  • the processor 110, the memory 120, and the transceiver 130 are connected by a bus 140
  • the transceiver 130 is configured to transceive signals and communicate with a terminal
  • the memory 120 is configured to store a set of program codes
  • the processor 110 is configured to invoke the program code stored in the memory 120 to perform the following operations:
  • the transceiver 130 receives an acknowledgement message fed back by the terminal.
  • the processor 110 is configured to configure, by using the preset bit in the first downlink control signaling, whether the terminal needs to feed back and receive the first downlink control signaling. Corresponding confirmation message.
  • the processor 110 is specifically configured to pre-configure a type of information that needs to feed back an acknowledgement message, send the type of the information to the terminal by using the transceiver, or pre-stored by the terminal to require feedback confirmation.
  • the type of information for the message is specifically configured to pre-configure a type of information that needs to feed back an acknowledgement message, send the type of the information to the terminal by using the transceiver, or pre-stored by the terminal to require feedback confirmation.
  • the type of information for the message is specifically configured to pre-configure a type of information that needs to feed back an acknowledgement message, send the type of the information to the terminal by using the transceiver, or pre-stored by the terminal to require feedback confirmation.
  • the processor 110 is further configured to:
  • the processor 110 is specifically configured to:
  • At least one resource selected from the pre-configured physical uplink control channel candidate resource list is allocated to the terminal for feeding back an acknowledgement message.
  • the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals,
  • the processor 110 is further configured to add version number information to the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the terminal controls the version number information of the channel resource feedback through the pre-configured physical uplink.
  • the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals,
  • the processor 110 is further configured to add version number information to the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the version number and resource information for the feedback acknowledgement message allocated to the terminal are received by the transceiver 130 to receive an acknowledgement message fed back by the terminal.
  • the terminal includes:
  • the receiving unit 400 is configured to receive first downlink control signaling sent by the base station;
  • the processing unit 500 is configured to determine, according to the first downlink control signaling, whether an acknowledgement message corresponding to the receiving condition of the first downlink control signaling needs to be fed back;
  • the sending unit 600 is configured to send an acknowledgement message to the base station if the terminal needs to feed back an acknowledgement message corresponding to the receiving condition of the first downlink control signaling.
  • processing unit 500 is specifically configured to:
  • the value determines whether it is necessary to feed back an acknowledgement message corresponding to the reception condition of the first downlink control signaling.
  • the receiving unit 400 is further configured to receive, by the base station, a type of information that needs to be fed back to the acknowledgement message, or pre-store, by the terminal, a type of information that needs a feedback acknowledgement message;
  • the processing unit 500 is specifically configured to determine, by using a type of information included in the first downlink control signaling, whether an acknowledgement message corresponding to the receiving condition of the first downlink control signaling needs to be fed back.
  • the processing unit 500 is further configured to obtain, by using the first downlink control signaling, The information about the resources allocated by the base station to the terminal, where the resources are used by the terminal to feed back an acknowledgement message.
  • the terminal belongs to a terminal group that receives the same downlink control signaling, where the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processing unit 500 is further configured to obtain version number information from the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the sending unit 600 is further configured to feed back the version number information to the base station by using a pre-configured physical uplink control channel resource.
  • the terminal belongs to a terminal group that receives the same downlink control signaling, where the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processing unit 500 is further configured to obtain version number information from the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the receiving unit 400 is further configured to receive a second downlink control signaling that is sent by the base station to the terminal, where the second downlink control signaling includes a version number of a common downlink control signaling that is required to be acknowledged by the terminal, and Resource information for the terminal to be used for feedback confirmation message;
  • the sending unit 600 is further configured to feed back an acknowledgement message to the base station.
  • FIG. 13 is a schematic diagram of a composition of a second embodiment of a terminal according to the present invention. in this embodiment, the terminal includes:
  • the processor 210, the memory 220, the transceiver 230, and the bus 240, the processor 210, the memory 220, and the transceiver 230 are connected by a bus 240, wherein the transceiver 230 is configured to send and receive signals to communicate with a base station,
  • the memory 220 is configured to store a set of program codes, and the processor 210 is configured to invoke the program code stored in the memory 220 to perform the following operations:
  • the transceiver 230 sends an acknowledgement message to the base station.
  • the processor 210 is specifically configured to:
  • the processor 210 is specifically configured to:
  • the processor 210 is further configured to:
  • the terminal belongs to a terminal group that receives the same downlink control signaling, where the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processor 210 is further configured to obtain version number information from the control signaling in the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the version number information is fed back to the base station through the pre-configured physical uplink control channel resources and through the transceiver 230.
  • the terminal belongs to a terminal group that receives the same downlink control signaling, where the first downlink control signaling is a common downlink control signaling that is sent to at least two terminals.
  • the processor 210 is further configured to obtain version number information from the common downlink control signaling, where the version number information is used to distinguish different common downlink control signaling;
  • the transceiver 230 Receiving, by the transceiver 230, the second downlink control signaling that is sent by the base station to the terminal, where the second downlink control signaling includes a version of the public downlink control signaling that is required to be acknowledged by the terminal. And a resource information allocated to the terminal for feeding back a confirmation message;
  • An acknowledgement message is fed back to the base station by the transceiver 230.
  • the base station introduced in the embodiments of the present invention may be used to implement some or all of the processes in the method embodiments of the present invention described in conjunction with FIG. 2 to FIG. 5, and perform some or all of the functions of the device embodiments introduced by the present invention in conjunction with FIG.
  • the terminal introduced in the embodiment of the present invention may be used to implement some or all of the processes in the method embodiment of the present invention combined with FIG. 6 to FIG. 9, and to perform some or all of the device embodiments introduced by the present invention in conjunction with FIG. Function, no longer repeat here.
  • the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software, the functions may be stored on or transmitted as one or more instructions or code via a computer-readable medium and executed by a hardware-based processing unit.
  • the computer readable medium can comprise a computer readable storage medium (which corresponds to a tangible medium such as a data storage medium) or a communication medium comprising, for example, any medium that facilitates transfer of the computer program from one place to another in accordance with a communication protocol. .
  • computer readable media generally may correspond to (1) a non-transitory tangible computer readable storage medium, or (2) a communication medium such as a signal or carrier wave.
  • Data storage media may be any available media that can be accessed by one or more computers or one or more processors to retrieve instructions, code and/or data structures for use in carrying out the techniques described herein.
  • the computer program product can comprise a computer readable medium.
  • certain computer-readable storage media may comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage or other magnetic storage device, flash memory, or may be used to store instructions or data structures. Any other medium in the form of the desired program code and accessible by the computer. Also, any connection is properly termed a computer-readable medium. For example, if you use coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technology (eg, infrared, radio, and microwave) to send commands from a website, server, or other remote source, coaxial cable , fiber optic cable, twisted pair, DSL, or wireless technologies (eg, infrared, radio, and microwave) are included in the definition of the media.
  • coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technology eg, infrared, radio, and microwave
  • a magnetic disk and an optical disk include a compact disk (CD), a laser disk, an optical disk, a digital video disk (DVD), a flexible disk, and a Blu-ray disk, wherein the disk usually reproduces data magnetically, and the disk passes the laser Optically copy data.
  • CD compact disk
  • DVD digital video disk
  • a flexible disk a hard disk
  • Blu-ray disk wherein the disk usually reproduces data magnetically, and the disk passes the laser Optically copy data.
  • the combination of the above should also be included in the computer readable media Inside.
  • processors such as one or more digital signal processors (DSPs), general purpose microprocessors, application specific integrated circuits (ASICs), field programmable logic arrays (FPGAs), or other equivalent integrated or discrete logic circuits
  • DSPs digital signal processors
  • ASICs application specific integrated circuits
  • FPGAs field programmable logic arrays
  • processors may refer to any of the foregoing structures or any other structure suitable for implementing the techniques described herein.
  • the functionality described herein may be provided within dedicated hardware and/or software modules configured for encoding and decoding, or incorporated in a combined codec.
  • the techniques can be fully implemented in one or more circuits or logic elements.
  • the techniques of the present invention can be broadly implemented by a variety of devices or devices, including a wireless handset, an integrated circuit (IC), or a collection of ICs (eg, a chipset).
  • IC integrated circuit
  • Various components, modules or units are described in this disclosure to emphasize functional aspects of the apparatus configured to perform the disclosed techniques, but are not necessarily required to be implemented by different hardware units. Rather, as described above, various units may be combined in a codec hardware unit or combined with suitable software and/or by a collection of interoperable hardware units (including one or more processors as described above). Or firmware to provide.
  • system and “network” are used interchangeably herein. It should be understood that the term “and/or” herein is merely an association relationship describing an associated object, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, and A and B exist simultaneously. There are three cases of B alone. In addition, the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • B corresponding to A means that B is associated with A, and B can be determined from A.
  • determining B from A does not mean that B is only determined based on A, and that B can also be determined based on A and/or other information.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

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Abstract

本发明实施例公开一种传输控制信令的方法、基站及终端，方法包括：基站向终端发送第一下行控制信令，通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则接收所述终端反馈的确认消息。采用本发明实施例，可确保基站及时获知重要控制信令的接收情况，利于后续控制信令的配置和发送，提升了5G NR系统的可靠性。

Description

一种传输控制信令的方法、基站及终端 技术领域
本发明涉及通信技术领域，尤其涉及一种传输控制信令的方法、基站及终端。
背景技术
在长期演进(Long Term Evolution，LTE)系统中，基站为了与终端进行通信，可以由下行物理控制信道(Physical Downlink Control Channel，PDCCH)承载，向终端发送下行控制信令(Downlink Control Information，DCI)。其中包含的内容有上下行资源调度的信息、混合自动重传请求(HARQ Hybrid Auto Repeat Request，HARQ)信息、功率控制信息等。这些关键的信息对于基站与终端进行正常通信是非常重要的。
在现有LTE系统中，由于DCI里通常会携带上行调度信息或下行调度信息，基站可以通过终端是否发送了上行调度信息对应的上行数据，或者通过终端在接收到下行调度信息对应的下行数据后是否发送了针对该下行数据反馈的应答/非应答(ACK/NACK)消息来间接判断终端是否已收到DCI。但是这样的方式基站无法直接准确地获知终端是否成功的收到DCI，得到的结果可靠性较低，不利于基站进行后续的相关控制信令配置和发送。尤其在第五代移动通信技术(5th Generation，5G)新无线(New Radio，NR)系统中，相当多的重要信息需要动态的向终端指示。当这些重要的信息通过DCI传输时，基站能否快速获知终端是否正确接收了这些信息对于提高NR系统的可靠性非常关键。因为基站的一系列后续控制信令有可能是基于前面的某些重要控制信令中的信息进行配置的。一旦在前传输的重要控制信令丢失，而基站又不知道时，基站的后续控制信令实际都失去作用了。这样的错误一旦出现，对于5G NR系统可靠性就会构成非常大的不利影响。
发明内容
本发明实施例提供了一种传输控制信令的方法、基站及终端，可确保基站及时获知重要控制信令的接收情况，利于后续控制信令的配置和发送，提升了 5G NR系统的可靠性。
本发明实施例第一方面提供一种传输控制信令的方法，包括：
基站向终端发送第一下行控制信令，通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则接收所述终端反馈的确认消息。
在一种可能的实现方式中，所述通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息，包括：
所述基站配置所述第一下行控制信令中的预设比特位用于指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，所述通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息，包括：
所述基站预配置需要反馈确认消息的信息的类型，将所述信息的类型发送给所述终端，或者由所述终端预存储需要反馈确认消息的信息的类型；
通过所述第一下行控制信令中包含的信息的类型指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述方法还包括：
所述基站为所述终端分配用于反馈确认消息的资源，将所述资源的信息包含在所述第一下行控制信令中。
在一种可能的实现方式中，所述基站为所述终端分配用于反馈确认消息的资源，包括：
所述基站根据当前资源占用情况为所述终端分配物理上行链路控制信道资源，用于反馈确认消息；
或者，所述基站将预留的物理上行链路控制信道资源分配给所述终端，用于反馈确认消息；
或者，所述基站从预配置的物理上行链路控制信道候选资源列表中选择至少一项资源分配给所述终端，用于反馈确认消息。
在一种可能的实现方式中，所述第一下行控制信令为发送给至少两个终端 的公共下行控制信令，所述方法还包括：
所述基站为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
在发送所述公共下行控制信令并通过所述公共下行控制信令指示所述终端需要反馈与所述公共下行控制信令的接收情况对应的确认消息之后，所述方法还包括：
接收所述终端通过预配置的物理上行链路控制信道资源反馈的版本号信息。
在一种可能的实现方式中，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，所述方法还包括：
所述基站为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
在发送所述公共下行控制信令之后，所述方法还包括：
所述基站向所述终端发送第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息。
本发明实施例第二方面提供一种传输控制信令的方法，包括：
终端接收基站发送的第一下行控制信令；
所述终端根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则所述终端向所述基站发送确认消息。
在一种可能的实现方式中，所述终端根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息，包括：
所述终端获取所述第一下行控制信令中的预设比特位的值，根据所述预设比特位的值判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，所述终端根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息，包括：
所述终端接收所述基站预配置的需要反馈确认消息的信息的类型，或者由所述终端预存储需要反馈确认消息的信息的类型；
通过所述第一下行控制信令中包含的信息的类型判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述方法还包括：
所述终端从所述第一下行控制信令中获取所述基站为所述终端分配的资源的信息，所述资源用于所述终端反馈确认消息。
在一种可能的实现方式中，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，所述方法还包括：
从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
通过预配置的物理上行链路控制信道资源向所述基站反馈所述版本号信息。
在一种可能的实现方式中，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，所述方法还包括：
从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
接收所述基站向所述终端发送的第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息；
向所述基站反馈确认消息。
本发明实施例第三方面提供一种基站，包括：
发送单元，用于向终端发送第一下行控制信令；
处理单元，通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
接收单元，用于若所述基站指示所述终端需要反馈与所述第一下行控制信 令的接收情况对应的确认消息，则接收所述终端反馈的确认消息。
在一种可能的实现方式中，所述处理单元具体用于：
配置所述第一下行控制信令中的预设比特位用于指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，所述处理单元具体用于：
预配置需要反馈确认消息的信息的类型，所述发送单元还用于将所述信息的类型发送给所述终端，或者由所述终端预存储需要反馈确认消息的信息的类型；
通过所述第一下行控制信令中包含的信息的类型指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，若所述处理单元指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述处理单元还用于：
为所述终端分配用于反馈确认消息的资源，将所述资源的信息包含在所述第一下行控制信令中。
在一种可能的实现方式中，所述处理单元具体用于：
根据当前资源占用情况为所述终端分配物理上行链路控制信道资源，用于反馈确认消息；
或者，将预留的物理上行链路控制信道资源分配给所述终端，用于反馈确认消息；
或者，从预配置的物理上行链路控制信道候选资源列表中选择至少一项资源分配给所述终端，用于反馈确认消息。
在一种可能的实现方式中，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理单元还用于为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
在发送所述公共下行控制信令并通过所述公共下行控制信令指示所述终端需要反馈与所述公共下行控制信令的接收情况对应的确认消息之后，所述接收单元还用于接收所述终端通过预配置的物理上行链路控制信道资源反馈的版本号信息。
在一种可能的实现方式中，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理单元还用于为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
所述发送单元还用于在发送所述公共下行控制信令之后向所述终端发送第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息。
本发明第四方面提供一种基站，包括：
处理器、存储器、收发器和总线，所述处理器、存储器和收发器通过总线连接，其中，所述收发器用于收发信号，与终端进行通信，所述存储器用于存储一组程序代码，所述处理器用于调用所述存储器中存储的程序代码，执行以下操作：
通过所述收发器向终端发送第一下行控制信令，通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则通过所述收发器接收所述终端反馈的确认消息。
在一种可能的实现方式中，所述处理器具体用于配置所述第一下行控制信令中的预设比特位用于指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，所述处理器具体用于预配置需要反馈确认消息的信息的类型，通过所述收发器将所述信息的类型发送给所述终端，或者由所述终端预存储需要反馈确认消息的信息的类型；
通过所述第一下行控制信令中包含的信息的类型指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述处理器还用于：
为所述终端分配用于反馈确认消息的资源，将所述资源的信息包含在所述第一下行控制信令中。
在一种可能的实现方式中，所述处理器具体用于：
根据当前资源占用情况为所述终端分配物理上行链路控制信道资源，用于反馈确认消息；
或者，将预留的物理上行链路控制信道资源分配给所述终端，用于反馈确认消息；
或者，从预配置的物理上行链路控制信道候选资源列表中选择至少一项资源分配给所述终端，用于反馈确认消息。
在一种可能的实现方式中，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理器还用于为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
在发送所述公共下行控制信令并通过所述公共下行控制信令指示所述终端需要反馈与所述公共下行控制信令的接收情况对应的确认消息之后，通过所述收发器接收所述终端通过预配置的物理上行链路控制信道资源反馈的版本号信息。
在一种可能的实现方式中，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理器还用于为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
在发送所述公共下行控制信令之后通过所述收发器向所述终端发送第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息。
本发明实施例第五方面提供一种终端，包括：
接收单元，用于接收基站发送的第一下行控制信令；
处理单元，用于根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
发送单元，用于若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则向所述基站发送确认消息。
在一种可能的实现方式中，所述处理单元具体用于：
获取所述第一下行控制信令中的预设比特位的值，根据所述预设比特位的值判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，所述接收单元还用于接收所述基站预配置的需要反馈确认消息的信息的类型，或者由所述终端预存储需要反馈确认消息的信息的类型；
所述处理单元具体用于通过所述第一下行控制信令中包含的信息的类型判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理单元还用于从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
所述发送单元还用于通过预配置的物理上行链路控制信道资源向所述基站反馈所述版本号信息。
在一种可能的实现方式中，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理单元还用于从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
所述接收单元还用于接收所述基站向所述终端发送的第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息；
所述发送单元还用于向所述基站反馈确认消息。
本发明实施例第六方面提供一种终端，包括：
处理器、存储器、收发器和总线，所述处理器、存储器、收发器通过总线连接，其中，所述收发器用于收发信号，与基站进行通信，所述存储器用于存储一组程序代码，所述处理器用于调用所述存储器中存储的程序代码，执行以下操作：
通过所述收发器接收基站发送的第一下行控制信令；
根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则通过所述收发器向所述基站发送确认消息。
在一种可能的实现方式中，所述处理单元具体用于：
获取所述第一下行控制信令中的预设比特位的值，根据所述预设比特位的值判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，所述处理器具体用于：
通过所述收发器接收所述基站预配置的需要反馈确认消息的信息的类型，或者由所述终端预存储需要反馈确认消息的信息的类型；
通过所述第一下行控制信令中包含的信息的类型判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
在一种可能的实现方式中，若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述处理器还用于：
从所述第一下行控制信令中获取所述基站为所述终端分配的资源的信息，所述资源用于所述终端反馈确认消息。
在一种可能的实现方式中，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理器还用于从所述公共下行控制信令中控制信令获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
通过预配置的物理上行链路控制信道资源并通过所述收发器向所述基站反馈所述版本号信息。
在一种可能的实现方式中，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理器还用于从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
通过所述收发器接收所述基站向所述终端发送的第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息；
通过所述收发器向所述基站反馈确认消息。
本发明实施例第七方面提供了一种计算机存储介质，所述计算机存储介质 包括一组程序代码，用于执行如本发明实施例第一方面任一实现方式所述的方法。
本发明实施例第八方面提供了一种计算机存储介质，所述计算机存储介质包括一组程序代码，用于执行如本发明实施例第二方面任一实现方式所述的方法。
实施本发明实施例，具有如下有益效果：
当基站需要获取终端接收第一下行控制信令的情况时，可以通过第一下行控制信令指示终端反馈与第一控制信令接收情况对应的确认消息，利于基站直接、准确、快速地获知终端侧的接收情况，利于后续控制信令的配置和发送，提升了5G NR系统的可靠性。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本方面实施例中通信系统的架构示意图；
图2为本发明传输控制信令的方法的第一实施例的流程示意图；
图3为本发明传输控制信令的方法的第二实施例的流程示意图；
图4为本发明传输控制信令的方法的第三实施例的流程示意图；
图5为本发明传输控制信令的方法的第四实施例的流程示意图；
图6为本发明传输控制信令的方法的第五实施例的流程示意图；
图7为本发明传输控制信令的方法的第六实施例的流程示意图；
图8为本发明传输控制信令的方法的第七实施例的流程示意图；
图9为本发明传输控制信令的方法的第八实施例的流程示意图；
图10为本发明基站的第一实施例的组成示意图；
图11为本发明基站的第二实施例的组成示意图；
图12为本发明终端的第一实施例的组成示意图；
图13为本发明终端的第二实施例的组成示意图。
具体实施方式
本发明的说明书和权利要求书及上述附图中的术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或装置没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或装置固有的其它步骤或单元。
随着人们通信需求的不断提高，通信技术正快速发展，可以为用户提供更大的带宽，更快的上下行传输速度等。例如，在5G系统中，可以提供高达200MHz的系统带宽。但是随着用户数量的不断增多，系统工作的可靠性越来越重要。为了确保基站与终端之间通信的正常可靠进行，基站希望知道自己向终端发送的控制信令是否被终端正确接收。因此，本发明实施例提供了一种传输控制信令的方法，使得终端可以在接收到基站发送的DCI之后，根据基站的指示，确定是否对DCI的接收情况进行反馈，当需要进行反馈的时候，向基站发送确认消息。为了便于说明，本发明实施例中以5G系统来进行描述，本领域技术人员应当理解，本发明实施例中的实施方式同样可适用于现有通信系统以及未来更高级别如6G、7G的通信系统，本发明实施例不作任何限定。
下面结合附图对本发明实施例的传输控制信令的方法及设备进行详细说明。
请参照图1，为本方面实施例中通信系统的架构示意图。其中可以包括基站和至少一个终端，终端也可以称之为用户设备(User Equipment，UE)。
其中，基站可以是演进型节点B(evolved Node B，eNB)、节点B(Node B，NB)、基站控制器(Base Station Controller，BSC)、基站收发台(Base Transceiver Station,BTS)、家庭基站(例如，Home evolved NodeB，或Home Node B，HNB)、基带单元(BaseBand Unit，BBU)等。其也可以被本领域技术人员称之为基站收发机、无线基站、无线收发机、收发机功能、基站子系统(Base Station Sub system，BSS)或者一些其它适当的术语。其可以在PDCCH中承载调度下行控制信令，可具体包含传输格式、资源分配、上行调度许可、功率控制以及上行重传信息等。并可以向UE传输业务的下行数据，接收终端的重传 反馈等。对于需要终端进行反馈确认消息的控制信令，基站可以在DCI中进行指示，如果基站没有指示，则终端可以不进行反馈，以节省资源开销。
其中，终端可以包括蜂窝电话、智能电话、会话启动协议(Session Initiation Protocol，SIP)电话、膝上型计算机、个人数字助理(Personal Digital Assistant，PDA)、卫星无线电、全球定位系统、多媒体设备、视频设备、数字音频播放器(例如，MP3播放器)、照相机、游戏控制台或者其它任何相似功能的设备。终端也可以被本领域技术人员称为移动站、用户站、移动单元、用户单元、无线单元、远程单元、移动设备、无线设备、无线通信设备、远程设备、移动用户站、接入终端、移动终端、无线终端、远程终端、手持设备、用户代理、移动客户端、客户端或者一些其它适当的术语。其可以接收基站配置的控制信令以及基站调度的时域资源和/或频域资源和/或码域资源来进行上行业务数据以及确认消息的传输。
下面将结合图2-图5对本发明的传输控制信令的方法进行详细说明。
请参照图2，为本发明传输控制信令的方法的第一实施例的流程示意图；在本实施例中，所述传输控制信令的方法包括以下步骤：
S201，基站向终端发送第一下行控制信令，通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
可选地，此处的确认消息可以是常见的应答/非应答(ACK/NACK)消息，例如，如果基站指示终端需要反馈与第一下行控制信令的接收情况对应的确认消息，则终端可以在成功接收到第一下行控制信令的时候反馈ACK消息，在未成功接收到第一下行控制信令的时候反馈NACK消息。使用现有的ACK/NACK消息来进行反馈确认，无需构造新的信令，可以节省资源，利于与现有5G NR系统适配。
当然，确认消息也可以是对其他现有的上行消息进行重构造实现，例如在现有的上行消息中选择一个空闲比特位用于指示是否成功接收到第一下行控制信令；或者还可以是新构造的其他消息，如使用一个比特的短消息，用1值表示成功接收，0值表示未成功接收来反馈确认消息。本发明实施例不作任 何限定。
基站在指示终端是否需要反馈确认消息时，可以采用显性的指示，也可以采用隐性的指示。
例如，可选地，所述基站可以配置所述第一下行控制信令中的预设比特位用于显性的指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。如预设比特位为1值时，指示终端反馈确认消息，预设比特位为0值时，指示终端无需反馈确认消息。
或者还可以根据第一下行控制信令携带的具体内容进行隐性的指示。
如所述基站可以预配置需要反馈确认消息的信息的类型，将所述信息的类型发送给所述终端，或者由所述终端预存储需要反馈确认消息的信息的类型；
通过所述第一下行控制信令中包含的信息的类型指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
例如，如果基站当前发送的第一DCI里含有关于控制信道配置的重要信息，或者该第一DCI里含有关于系统信息指示的重要信息，这些重要信息都属于预配置或预存储的重要的信息的类型，则终端在接收到包含这些类型的控制信令时，需要对该第一DCI的接收情况反馈确认消息。
需要说明的是，除了本实施例中描述的由基站在下行控制信令中进行指示的方式之外，在一些特定的应用场景中，基站还可以根据业务需求灵活地配置终端默认反馈确认消息，默认不反馈确认消息，本发明实施例不作任何限定。
S202，若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则接收所述终端反馈的确认消息。
对于终端而言，其事先并不知道基站何时会在哪些资源上发送第一DCI，所以终端会在物理下行控制信道(Physical Downlink Control Channel，PDCCH)所在的资源上进行盲检。如果终端检测到的第一DCI通过了循环冗余校验(Cyclic Redundancy Check，CRC)，则终端认为自己成功的接收到了基站发送的第一DCI，此时便可以反馈接收成功的确认消息给基站，如果终端在预定的时间内没有检测到第一DCI或者第一DCI没有通过循环冗余校验，则终端认为自己没有成功接收到基站发送的第一DCI，此时便可以反馈接收失败的确认消息给基站。
可选地，终端发送确认消息时，可以直接使用系统规定的特定资源发送，或者使用与基站预先协商好的特定资源进行发送，或者也可以在需要发送确认消息时，由基站为终端分配资源进行发送，本发明实施例不作任何限定。
基站可以根据接收到的确认消息，确定终端是否成功接收到当前发送的第一DCI，如果成功接收到了，则可以正常发送后续的DCI如第二DCI等，如果没有成功接收到，则基站可以进行第一DCI的重发。
如果基站指示终端无需反馈确认消息，则终端可以不反馈确认消息。
在本发明实施例中，当基站需要获取终端接收第一下行控制信令的情况时，可以通过第一下行控制信令指示终端反馈与第一控制信令接收情况对应的确认消息，利于基站直接、准确、快速地获知终端侧的接收情况，利于后续控制信令的配置和发送，提升了5G NR系统的可靠性。
请参照图3，为本发明传输控制信令的方法的第二实施例的流程示意图；在本实施例中，所述方法包括以下步骤：
S301，基站向终端发送第一下行控制信令，通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
S302，若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则所述基站为所述终端分配用于反馈确认消息的资源，将所述资源的信息包含在所述第一下行控制信令中。
可选地，在进行资源分配时，所述基站可以根据当前资源占用情况为所述终端分配物理上行链路控制信道(Physical Uplink Control Channel，PUCCH)资源，用于反馈确认消息；例如，当前某些资源未被占用，则基站可以将这些资源分配给终端用于反馈确认消息。
或者，所述基站可以将预留的物理上行链路控制信道资源分配给所述终端，用于反馈确认消息；此部分预留的资源可以由基站根据接下来一段时间内控制信令的反馈需求来进行配置，如在接下来的一段时间内，基站发送的很多条控制信令都希望收到反馈，则可以在这段时间内预留部分资源供终端使用。又例如在接下来一段时间内有多个终端的控制信令需要进行反馈，则基站可以多预 留一些资源供这些终端使用，当确认消息反馈完成后，基站可以释放这部分资源。
或者，所述基站还可以从预配置的物理上行链路控制信道候选资源列表中选择至少一项资源分配给所述终端，用于反馈确认消息。例如基站可以预先向终端配置一些用来反馈确认消息的候选资源，再通过第一DCI指示具体使用哪块资源。可选地基站可以预先用无线资源控制(RRC Radio Resource Control，RRC)消息配置一个PUCCH候选资源列表，列表中的PUCCH资源是终端用于反馈确认消息的，基站在其后的第一DCI中将指示终端将使用前述列表的哪块资源去反馈确认消息。
需要说明的是，以上所述的资源中，可以包括PUCCH的时域资源和/或频域资源和/或码域资源。
S303，接收所述终端反馈的确认消息。
在本实施例中，具体描述了基站为终端分配用于反馈确认消息的资源的方式，基站可以根据反馈需求和当前资源占用情况进行灵活选择和配置，确保终端可以正常的反馈确认消息，进一步提升了系统的可靠性。
在一些应用场景中，基站发送的重要控制信令往往是带有普遍性的，也就是对很多终端都适用的。这时基站可以采用公共下行控制信令(group common DCI)向一组终端以广播或多播的形式向终端传送一些重要控制信令。此时，终端也可以根据基站的需求向基站反馈确认消息。
请参见图4，为本发明传输控制信令的方法的第三实施例的流程示意图；在本实施例中，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，所述方法包括以下步骤：
S401，所述基站为所述公共下行控制信令加入版本号信息。
其中，所述版本号信息用于区分不同的公共下行控制信令。
S402，基站向终端发送公共下行控制信令，通过所述公共下行控制信令指示所述终端需要反馈与所述公共下行控制信令的接收情况对应的确认消息。
S403，接收所述终端通过预配置的物理上行链路控制信道资源反馈的版本 号信息。
在本实施例中，基站在用group common DCI向一组终端传送控制信令时，可以采用图2实施例中显性或隐性的指示终端需要对正确接收到此DCI进行确认。基站可以通过单独的高层信令(如RRC信令)或物理层信令(如DCI)预先为终端配置反馈确认消息的PUCCH资源。基站可以在group common DCI中加入一个版本号(version number)，用于区分不同的公共下行控制信令。当终端在group common DCI收到需要确认的公共下行控制信令时，终端可以在基站预先配置的PUCCH资源上向基站反馈对应的版本号信息。当基站收到终端反馈的版本号信息时，便可以确定哪个终端收到哪条公共下行控制信令。当然，除了与公共下行控制信令进行关联用于区分不同的公共下行控制信令以外，版本号也可以与公共控制信令中包含的具体信息进行关联，本发明实施例不作任何限定。
请参见图5，为本发明传输控制信令的方法的第四实施例的流程示意图；在本实施例中，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，所述方法包括以下步骤：
S501，所述基站为所述公共下行控制信令加入版本号信息。
其中，所述版本号信息用于区分不同的公共下行控制信令。
S502，基站向终端发送公共下行控制信令。
S503，接收所述基站向所述终端发送的第二下行控制信令。
其中，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息。
需要说明的是，步骤S502和S503之间没有严格的时间间隔要求，如果知道保存了版本号信息，则步骤S503可以在步骤S502之后的任意时间发起，本发明实施例不作任何限定。
S504，向所述基站反馈确认消息。
当基站采用group common DCI向一组终端传送控制信令时，基站无法确认这些控制信令对所有的终端都有效。此时如果要求所有接收终端都向基站反 馈确认消息，容易造成资源的浪费。因此基站可以根据自己的需要要求指定的终端反馈确认消息。
具体地，基站在用group common DCI向一组终端传送控制信令时，可以在控制信令中加入一个版本号(version number)，用于区分不同的公共下行控制信令。如果基站在后续的时间里需要某个终端确认是否收到之前通过group common DCI传送的某个控制信令时，基站可以通过第二DCI向对应的终端发送物理层控制信令，包含需要终端确认的公共下行控制信令的版本号信息，并为该终端分配对应的PUCCH的资源，资源分配的方式可以参见图3所示实施例的具体描述，此处不再赘述。终端在接收到第二DCI后，如果终端在之前接收到了与版本号对应的公共下行控制信令，则终端可以在第二DCI所指示的PUCCH资源上向基站传送确认消息如ACK消息；如果终端没有接收到与版本号对应的公共下行控制信令，则终端可以在第二DCI所指示的PUCCH资源上向基站传送未接收的确认消息如NACK消息。
需要说明的是，图5所示实施例与图4所示实施例的区别主要在于：图4所示实施例中，基站可以在公共下行控制信令中进行是否反馈确认消息的指示，且需要预先为终端分配资源，终端反馈的确认消息主要包含公共下行控制信令的版本号信息。而图5所示实施例中，基站可以不在公共下行控制信令中进行是否反馈确认消息的指示，而可以在需要某个具体的终端反馈确认消息时再发送第二DCI携带需要确认接收的公共下行控制信令的版本号信息以及为该终端分配的资源信息，终端在接收到第二DCI之后才进行反馈。从而可以降低资源消耗，提升确认消息反馈的有效性和目的性。
请参照图6，为本发明传输控制信令的方法的第五实施例的流程示意图；在本实施例中，所述传输控制信令的方法包括：
S601，终端接收基站发送的第一下行控制信令。
S602，所述终端根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
可选地，所述终端可以获取所述第一下行控制信令中的预设比特位的值，根据所述预设比特位的值判断是否需要反馈与所述第一下行控制信令的接收 情况对应的确认消息。
或者，所述终端可以接收所述基站预配置的需要反馈确认消息的信息的类型，或者由所述终端预存储需要反馈确认消息的信息的类型；
通过所述第一下行控制信令中包含的信息的类型判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
S603，若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则所述终端向所述基站发送确认消息。
图6为终端侧的实施例描述，其具体过程可参见图2所示基站侧的实施例描述，此处不再赘述。
请参照图7，为本发明传输控制信令的方法的第六实施例的流程示意图；在本实施例中，所述传输控制信令的方法包括：
S701，终端接收基站发送的第一下行控制信令。
S702，所述终端根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。若是，则执行步骤S703-S704，否则无需反馈确认消息。
S703，所述终端从所述第一下行控制信令中获取所述基站为所述终端分配的资源的信息。
所述资源用于所述终端反馈确认消息。
S704，所述终端向所述基站发送确认消息。
图7为终端侧的实施例描述，其具体过程可参见图3所示基站侧的实施例描述，此处不再赘述。
请参照图8，为本发明传输控制信令的方法的第七实施例的流程示意图；在本实施例中，所述传输控制信令的方法包括：
S801，终端接收基站发送的公共下行控制信令。
S802，从所述公共下行控制信令中获取版本号信息。
所述版本号信息用于区分不同的公共下行控制信令。
S803，通过预配置的物理上行链路控制信道资源向所述基站反馈所述版本 号信息。
图8为终端侧的实施例描述，其具体过程可参见图3所示基站侧的实施例描述，此处不再赘述。
请参照图9，为本发明传输控制信令的方法的第八实施例的流程示意图，在本实施例中，所述传输控制信令的方法还包括：
S901，终端接收基站发送的公共下行控制信令。
S902，从所述公共下行控制信令中获取版本号信息。
所述版本号信息用于区分不同的公共下行控制信令。
S903，接收所述基站向所述终端发送的第二下行控制信令。
所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息。
S904，向所述基站反馈确认消息。
图9为终端侧的实施例描述，其具体过程可参见图5所示基站侧的实施例描述，此处不再赘述。
请参照图10，为本发明基站的第一实施例的组成示意图；在本实施例中，所述基站包括：
发送单元100，用于向终端发送第一下行控制信令；
处理单元200，通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
接收单元300，用于若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则接收所述终端反馈的确认消息。
可选地，所述处理单元200具体用于：
配置所述第一下行控制信令中的预设比特位用于指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
可选地，所述处理单元200具体用于：
预配置需要反馈确认消息的信息的类型，所述发送单元还用于将所述信息的类型发送给所述终端，或者由所述终端预存储需要反馈确认消息的信息的类 型；
通过所述第一下行控制信令中包含的信息的类型指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
可选地，若所述处理单元200指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述处理单元200还用于：
为所述终端分配用于反馈确认消息的资源，将所述资源的信息包含在所述第一下行控制信令中。
可选地，所述处理单元200具体用于：
根据当前资源占用情况为所述终端分配物理上行链路控制信道资源，用于反馈确认消息；
或者，将预留的物理上行链路控制信道资源分配给所述终端，用于反馈确认消息；
或者，从预配置的物理上行链路控制信道候选资源列表中选择至少一项资源分配给所述终端，用于反馈确认消息。
可选地，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理单元200还用于为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
在发送所述公共下行控制信令并通过所述公共下行控制信令指示所述终端需要反馈与所述公共下行控制信令的接收情况对应的确认消息之后，所述接收单元300还用于接收所述终端通过预配置的物理上行链路控制信道资源反馈的版本号信息。
可选地，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理单元200还用于为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
所述发送单元100还用于在发送所述公共下行控制信令之后向所述终端发送第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息； 所述接收单元300还用于接收所述终端反馈的确认消息。
请参照图11，为本发明基站的第二实施例的组成示意图；在本实施例中，所述基站包括：
处理器110、存储器120、收发器130和总线140，所述处理器110、存储器120和收发器130通过总线140连接，其中，所述收发器130用于收发信号，与终端进行通信，所述存储器120用于存储一组程序代码，所述处理器110用于调用所述存储器120中存储的程序代码，执行以下操作：
通过所述收发器130向终端发送第一下行控制信令，通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则通过所述收发器130接收所述终端反馈的确认消息。
可选地，所述处理器110具体用于配置所述第一下行控制信令中的预设比特位用于指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
可选地，所述处理器110具体用于预配置需要反馈确认消息的信息的类型，通过所述收发器将所述信息的类型发送给所述终端，或者由所述终端预存储需要反馈确认消息的信息的类型；
通过所述第一下行控制信令中包含的信息的类型指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
可选地，若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述处理器110还用于：
为所述终端分配用于反馈确认消息的资源，将所述资源的信息包含在所述第一下行控制信令中。
可选地，所述处理器110具体用于：
根据当前资源占用情况为所述终端分配物理上行链路控制信道资源，用于反馈确认消息；
或者，将预留的物理上行链路控制信道资源分配给所述终端，用于反馈确 认消息；
或者，从预配置的物理上行链路控制信道候选资源列表中选择至少一项资源分配给所述终端，用于反馈确认消息。
可选地，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理器110还用于为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
在发送所述公共下行控制信令并通过所述公共下行控制信令指示所述终端需要反馈与所述公共下行控制信令的接收情况对应的确认消息之后，通过所述收发器130接收所述终端通过预配置的物理上行链路控制信道资源反馈的版本号信息。
可选地，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理器110还用于为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
在发送所述公共下行控制信令之后通过所述收发器130向所述终端发送第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息通过所述收发器130接收所述终端反馈的确认消息。
请参照图12，为本发明终端的第一实施例的组成示意图，在本实施例中，所述终端包括：
接收单元400，用于接收基站发送的第一下行控制信令；
处理单元500，用于根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
发送单元600，用于若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则向所述基站发送确认消息。
可选地，所述处理单元500具体用于：
获取所述第一下行控制信令中的预设比特位的值，根据所述预设比特位的 值判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
可选地，所述接收单元400还用于接收所述基站预配置的需要反馈确认消息的信息的类型，或者由所述终端预存储需要反馈确认消息的信息的类型；
所述处理单元500具体用于通过所述第一下行控制信令中包含的信息的类型判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
可选地，若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则所述处理单元500还用于从所述第一下行控制信令中获取所述基站为所述终端分配的资源的信息，所述资源用于所述终端反馈确认消息。
可选地，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理单元500还用于从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
所述发送单元600还用于通过预配置的物理上行链路控制信道资源向所述基站反馈所述版本号信息。
可选地，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理单元500还用于从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
所述接收单元400还用于接收所述基站向所述终端发送的第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息；
所述发送单元600还用于向所述基站反馈确认消息。
请参照图13，为本发明终端的第二实施例的组成示意图；在本实施例中，所述终端包括：
处理器210、存储器220、收发器230和总线240，所述处理器210、存储器220、收发器230通过总线240连接，其中，所述收发器230用于收发信号，与基站进行通信，所述存储器220用于存储一组程序代码，所述处理器210用于调用所述存储器220中存储的程序代码，执行以下操作：
通过所述收发器230接收基站发送的第一下行控制信令；
根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则通过所述收发器230向所述基站发送确认消息。
可选地，所述处理器210具体用于：
获取所述第一下行控制信令中的预设比特位的值，根据所述预设比特位的值判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
可选地，所述处理器210具体用于：
通过所述收发器接收所述基站预配置的需要反馈确认消息的信息的类型，或者由所述终端预存储需要反馈确认消息的信息的类型；
通过所述第一下行控制信令中包含的信息的类型判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
可选地，若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述处理器210还用于：
从所述第一下行控制信令中获取所述基站为所述终端分配的资源的信息，所述资源用于所述终端反馈确认消息。
可选地，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理器210还用于从所述公共下行控制信令中控制信令获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
通过预配置的物理上行链路控制信道资源并通过所述收发器230向所述基站反馈所述版本号信息。
可选地，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
所述处理器210还用于从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
通过所述收发器230接收所述基站向所述终端发送的第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本 号和为所述终端分配的用于反馈确认消息的资源信息；
通过所述收发器230向所述基站反馈确认消息。
本发明实施例中介绍的基站可以用以实施本发明结合图2-图5介绍的方法实施例中的部分或全部流程，以及执行本发明结合图10介绍的装置实施例中的部分或全部功能，本发明实施例中介绍的终端可以用以实施本发明结合图6-图9介绍的方法实施例中的部分或全部流程，以及执行本发明结合图12介绍的装置实施例中的部分或全部功能，在此不再赘述。
在一个或多个实例中，所描述的功能可以硬件、软件、固件或其任何组合来实施。如果以软件实施，则功能可作为一个或多个指令或代码而存储于计算机可读媒体上或经由计算机可读媒体而发送，且通过基于硬件的处理单元执行。计算机可读媒体可包含计算机可读存储媒体(其对应于例如数据存储媒体等有形媒体)或通信媒体，通信媒体包含(例如)根据通信协议促进计算机程序从一处传送到另一处的任何媒体。以此方式，计算机可读媒体大体上可对应于(1)非瞬时的有形计算机可读存储媒体，或(2)例如信号或载波等通信媒体。数据存储媒体可为可由一个或多个计算机或一个或多个处理器存取以检索指令、代码及/或数据结构以用于实施本发明中所描述的技术的任何可用媒体。计算机程序产品可包含计算机可读媒体。
通过实例而非限制，某些计算机可读存储媒体可包括RAM、ROM、EEPROM、CD-ROM或其它光盘存储器、磁盘存储器或其它磁性存储装置、快闪存储器，或可用以存储呈指令或数据结构的形式的所要程序代码且可由计算机存取的任何其它媒体。而且，任何连接可适当地称为计算机可读媒体。举例来说，如果使用同轴电缆、光缆、双绞线、数字用户线(DSL)或无线技术(例如，红外线、无线电及微波)而从网站、服务器或其它远程源发送指令，则同轴电缆、光缆、双绞线、DSL或无线技术(例如，红外线、无线电及微波)包含于媒体的定义中。然而，应理解，计算机可读存储媒体及数据存储媒体不包含连接、载波、信号或其它瞬时媒体，而是有关非瞬时有形存储媒体。如本文中所使用，磁盘及光盘包含压缩光盘(CD)、激光光盘、光学光盘、数字影音光盘(DVD)、软性磁盘及蓝光光盘，其中磁盘通常以磁性方式复制数据，而光盘通过激光以光学方式复制数据。以上各物的组合还应包含于计算机可读媒体的范 围内。
可由例如一个或多个数字信号处理器(DSP)、通用微处理器、专用集成电路(ASIC)、现场可编程逻辑阵列(FPGA)或其它等效集成或离散逻辑电路等一个或多个处理器来执行指令。因此，如本文中所使用的术语“处理器”可指代前述结构或适于实施本文中所描述的技术的任何其它结构中的任一者。另外，在一些方面中，可将本文中所描述的功能性提供于经配置以用于编码及解码的专用硬件及/或软件模块内，或并入于组合式编解码器中。而且，所述技术可完全实施于一个或多个电路或逻辑元件中。
本发明的技术可以广泛地由多种装置或设备来实施，所述装置或设备包含无线手持机、集成电路(IC)或IC集合(例如，芯片组)。在本发明中描述各种组件、模块或单元以强调经配置以执行所揭示技术的装置的功能方面，但未必要求通过不同硬件单元来实现。确切地说，如上文所描述，各种单元可组合于编解码器硬件单元中，或通过交互操作性硬件单元(包含如上文所描述的一个或多个处理器)的集合结合合适软件及/或固件来提供。
应理解，说明书通篇中提到的“一个实施例”或“一实施例”意味着与实施例有关的特定特征、结构或特性包括在本发明的至少一个实施例中。因此，在整个说明书各处出现的“在一个实施例中”或“在一实施例中”未必一定指相同的实施例。此外，这些特定的特征、结构或特性可以任意适合的方式结合在一个或多个实施例中。
在本发明的各种实施例中，应理解，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本发明实施例的实施过程构成任何限定。
另外，本文中术语“系统”和“网络”在本文中常可互换使用。应理解，本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请所提供的实施例中，应理解，“与A相应的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本发明各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。

Claims (39)

  1. 一种传输控制信令的方法，其特征在于，包括：
    基站向终端发送第一下行控制信令，通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
    若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则接收所述终端反馈的确认消息。
  2. 如权利要求1所述的方法，其特征在于，所述通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息，包括：
    所述基站配置所述第一下行控制信令中的预设比特位用于指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
  3. 如权利要求1所述的方法，其特征在于，所述通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息，包括：
    所述基站预配置需要反馈确认消息的信息的类型，将所述信息的类型发送给所述终端，或者由所述终端预存储需要反馈确认消息的信息的类型；
    通过所述第一下行控制信令中包含的信息的类型指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
  4. 如权利要求1-3任一项所述的方法，其特征在于，若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述方法还包括：
    所述基站为所述终端分配用于反馈确认消息的资源，将所述资源的信息包含在所述第一下行控制信令中。
  5. 如权利要求4所述的方法，其特征在于，所述基站为所述终端分配用 于反馈确认消息的资源，包括：
    所述基站根据当前资源占用情况为所述终端分配物理上行链路控制信道资源，用于反馈确认消息；
    或者，所述基站将预留的物理上行链路控制信道资源分配给所述终端，用于反馈确认消息；
    或者，所述基站从预配置的物理上行链路控制信道候选资源列表中选择至少一项资源分配给所述终端，用于反馈确认消息。
  6. 如权利要求1所述的方法，其特征在于，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，所述方法还包括：
    所述基站为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
    在发送所述公共下行控制信令并通过所述公共下行控制信令指示所述终端需要反馈与所述公共下行控制信令的接收情况对应的确认消息之后，所述方法还包括：
    接收所述终端通过预配置的物理上行链路控制信道资源反馈的版本号信息。
  7. 如权利要求1所述的方法，其特征在于，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，所述方法还包括：
    所述基站为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
    在发送所述公共下行控制信令之后，所述方法还包括：
    所述基站向所述终端发送第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息。
  8. 一种传输控制信令的方法，其特征在于，包括：
    终端接收基站发送的第一下行控制信令；
    所述终端根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
    若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则所述终端向所述基站发送确认消息。
  9. 如权利要求8所述的方法，其特征在于，所述终端根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息，包括：
    所述终端获取所述第一下行控制信令中的预设比特位的值，根据所述预设比特位的值判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
  10. 如权利要求8所述的方法，其特征在于，所述终端根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息，包括：
    所述终端接收所述基站预配置的需要反馈确认消息的信息的类型，或者由所述终端预存储需要反馈确认消息的信息的类型；
    通过所述第一下行控制信令中包含的信息的类型判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
  11. 如权利要求8-10任一项所述的方法，其特征在于，若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述方法还包括：
    所述终端从所述第一下行控制信令中获取所述基站为所述终端分配的资源的信息，所述资源用于所述终端反馈确认消息。
  12. 如权利要求8所述的方法，其特征在于，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，所述方法还包括：
    从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不 同的公共下行控制信令；
    通过预配置的物理上行链路控制信道资源向所述基站反馈所述版本号信息。
  13. 如权利要求8所述的方法，其特征在于，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，所述方法还包括：
    从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
    接收所述基站向所述终端发送的第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息；
    向所述基站反馈确认消息。
  14. 一种基站，其特征在于，包括：
    发送单元，用于向终端发送第一下行控制信令；
    处理单元，通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
    接收单元，用于若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则接收所述终端反馈的确认消息。
  15. 如权利要求14所述的基站，其特征在于，所述处理单元具体用于：
    配置所述第一下行控制信令中的预设比特位用于指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
  16. 如权利要求14所述的基站，其特征在于，所述处理单元具体用于：
    预配置需要反馈确认消息的信息的类型，所述发送单元还用于将所述信息的类型发送给所述终端，或者由所述终端预存储需要反馈确认消息的信息的类型；
    通过所述第一下行控制信令中包含的信息的类型指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
  17. 如权利要求14-16任一项所述的基站，其特征在于，若所述处理单元指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述处理单元还用于：
    为所述终端分配用于反馈确认消息的资源，将所述资源的信息包含在所述第一下行控制信令中。
  18. 如权利要求17所述的基站，其特征在于，所述处理单元具体用于：
    根据当前资源占用情况为所述终端分配物理上行链路控制信道资源，用于反馈确认消息；
    或者，将预留的物理上行链路控制信道资源分配给所述终端，用于反馈确认消息；
    或者，从预配置的物理上行链路控制信道候选资源列表中选择至少一项资源分配给所述终端，用于反馈确认消息。
  19. 如权利要求14所述的基站，其特征在于，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
    所述处理单元还用于为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
    在发送所述公共下行控制信令并通过所述公共下行控制信令指示所述终端需要反馈与所述公共下行控制信令的接收情况对应的确认消息之后，所述接收单元还用于接收所述终端通过预配置的物理上行链路控制信道资源反馈的版本号信息。
  20. 如权利要求14所述的基站，其特征在于，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
    所述处理单元还用于为所述公共下行控制信令加入版本号信息，所述版本 号信息用于区分不同的公共下行控制信令；
    所述发送单元还用于在发送所述公共下行控制信令之后向所述终端发送第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息。
  21. 一种基站，其特征在于，包括：
    处理器、存储器、收发器和总线，所述处理器、存储器和收发器通过总线连接，其中，所述收发器用于收发信号，与终端进行通信，所述存储器用于存储一组程序代码，所述处理器用于调用所述存储器中存储的程序代码，执行以下操作：
    通过所述收发器向终端发送第一下行控制信令，通过所述第一下行控制信令指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
    若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则通过所述收发器接收所述终端反馈的确认消息。
  22. 如权利要求21所述的基站，其特征在于，所述处理器具体用于配置所述第一下行控制信令中的预设比特位用于指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
  23. 如权利要求21所述的基站，其特征在于，所述处理器具体用于预配置需要反馈确认消息的信息的类型，通过所述收发器将所述信息的类型发送给所述终端，或者由所述终端预存储需要反馈确认消息的信息的类型；
    通过所述第一下行控制信令中包含的信息的类型指示所述终端是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
  24. 如权利要求21-23任一项所述的基站，其特征在于，若所述基站指示所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述处理器还用于：
    为所述终端分配用于反馈确认消息的资源，将所述资源的信息包含在所述第一下行控制信令中。
  25. 如权利要求24所述的基站，其特征在于，所述处理器具体用于：
    根据当前资源占用情况为所述终端分配物理上行链路控制信道资源，用于反馈确认消息；
    或者，将预留的物理上行链路控制信道资源分配给所述终端，用于反馈确认消息；
    或者，从预配置的物理上行链路控制信道候选资源列表中选择至少一项资源分配给所述终端，用于反馈确认消息。
  26. 如权利要求21所述的基站，其特征在于，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
    所述处理器还用于为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
    在发送所述公共下行控制信令并通过所述公共下行控制信令指示所述终端需要反馈与所述公共下行控制信令的接收情况对应的确认消息之后，通过所述收发器接收所述终端通过预配置的物理上行链路控制信道资源反馈的版本号信息。
  27. 如权利要求21所述的基站，其特征在于，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
    所述处理器还用于为所述公共下行控制信令加入版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
    在发送所述公共下行控制信令之后通过所述收发器向所述终端发送第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息。
  28. 一种终端，其特征在于，包括：
    接收单元，用于接收基站发送的第一下行控制信令；
    处理单元，用于根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
    发送单元，用于若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则向所述基站发送确认消息。
  29. 如权利要求28所述的终端，其特征在于，所述处理单元具体用于：
    获取所述第一下行控制信令中的预设比特位的值，根据所述预设比特位的值判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
  30. 如权利要求28所述的终端，其特征在于，所述接收单元还用于接收所述基站预配置的需要反馈确认消息的信息的类型，或者由所述终端预存储需要反馈确认消息的信息的类型；
    所述处理单元具体用于通过所述第一下行控制信令中包含的信息的类型判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
  31. 如权利要求28-30任一项所述的终端，其特征在于，若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则所述处理单元还用于从所述第一下行控制信令中获取所述基站为所述终端分配的资源的信息，所述资源用于所述终端反馈确认消息。
  32. 如权利要求28所述的终端，其特征在于，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
    所述处理单元还用于从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
    所述发送单元还用于通过预配置的物理上行链路控制信道资源向所述基站反馈所述版本号信息。
  33. 如权利要求28所述的终端，其特征在于，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
    所述处理单元还用于从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
    所述接收单元还用于接收所述基站向所述终端发送的第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息；
    所述发送单元还用于向所述基站反馈确认消息。
  34. 一种终端，其特征在于，包括：
    处理器、存储器、收发器和总线，所述处理器、存储器、收发器通过总线连接，其中，所述收发器用于收发信号，与基站进行通信，所述存储器用于存储一组程序代码，所述处理器用于调用所述存储器中存储的程序代码，执行以下操作：
    通过所述收发器接收基站发送的第一下行控制信令；
    根据所述第一下行控制信令判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息；
    若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，则通过所述收发器向所述基站发送确认消息。
  35. 如权利要求34所述的终端，其特征在于，所述处理器具体用于：
    获取所述第一下行控制信令中的预设比特位的值，根据所述预设比特位的值判断是否需要反馈与所述第一下行控制信令的接收情况对应的确认消息。
  36. 如权利要求34所述的终端，其特征在于，所述处理器具体用于：
    通过所述收发器接收所述基站预配置的需要反馈确认消息的信息的类型，或者由所述终端预存储需要反馈确认消息的信息的类型；
    通过所述第一下行控制信令中包含的信息的类型判断是否需要反馈与所 述第一下行控制信令的接收情况对应的确认消息。
  37. 如权利要求34-36任一项所述的终端，其特征在于，若所述终端需要反馈与所述第一下行控制信令的接收情况对应的确认消息，所述处理器还用于：
    从所述第一下行控制信令中获取所述基站为所述终端分配的资源的信息，所述资源用于所述终端反馈确认消息。
  38. 如权利要求34所述的终端，其特征在于，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，
    所述处理器还用于从所述公共下行控制信令中控制信令获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
    通过预配置的物理上行链路控制信道资源并通过所述收发器向所述基站反馈所述版本号信息。
  39. 如权利要求34所述的终端，其特征在于，所述终端属于接收相同下行控制信令的终端组内，所述第一下行控制信令为发送给至少两个终端的公共下行控制信令，所述处理器还用于从所述公共下行控制信令中获取版本号信息，所述版本号信息用于区分不同的公共下行控制信令；
    通过所述收发器接收所述基站向所述终端发送的第二下行控制信令，所述第二下行控制信令中包含需要所述终端确认的公共下行控制信令的版本号和为所述终端分配的用于反馈确认消息的资源信息；
    通过所述收发器向所述基站反馈确认消息。
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IL269493B1 (en) 2023-04-01
CN111314038A (zh) 2020-06-19
ZA201906835B (en) 2021-02-24
IL269493A (zh) 2019-11-28
EP3598672B1 (en) 2022-08-17

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