WO2024020798A1 - 一种传输下行信道的方法、装置、设备以及可读存储介质 - Google Patents

一种传输下行信道的方法、装置、设备以及可读存储介质 Download PDF

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Publication number
WO2024020798A1
WO2024020798A1 PCT/CN2022/108013 CN2022108013W WO2024020798A1 WO 2024020798 A1 WO2024020798 A1 WO 2024020798A1 CN 2022108013 W CN2022108013 W CN 2022108013W WO 2024020798 A1 WO2024020798 A1 WO 2024020798A1
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WIPO (PCT)
Prior art keywords
period
downlink channel
reference signal
response
pdcch
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PCT/CN2022/108013
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English (en)
French (fr)
Inventor
付婷
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/108013 priority Critical patent/WO2024020798A1/zh
Priority to CN202280002689.4A priority patent/CN117769860A/zh
Publication of WO2024020798A1 publication Critical patent/WO2024020798A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements

Definitions

  • the present disclosure relates to the field of wireless communication technology, and in particular, to a method, apparatus, equipment and readable storage medium for transmitting a downlink channel.
  • One way to reduce base station energy consumption is to dynamically switch space units, such as certain antenna units, ports, transceiver chains (TRX chain), beams, panels, and reference signals. , RS), etc., but the dynamic switching space unit will cause the actual transmitted beams or pilots to change, for example, some beams are turned off or some pilots are turned off, etc.
  • space units such as certain antenna units, ports, transceiver chains (TRX chain), beams, panels, and reference signals. , RS), etc.
  • the beam transmitting the downlink channel may be turned off, affecting the transmission of the downlink channel.
  • the present disclosure provides a method, device, equipment and readable storage medium for transmitting a downlink channel.
  • the first aspect provides a method for receiving downlink channels, which is performed by user equipment, including:
  • Receive indication information sent by the network device the indication information being used to indicate that the reference signal is turned off and the turn-off period corresponding to the reference signal;
  • the first period being all or part of a second period
  • the second period being a period during which the network device sends a downlink channel
  • the determining whether to receive the downlink channel within the first period includes:
  • the downlink channel being the physical downlink control channel PDCCH
  • the reference signal being configured as QCL type D in the TCI state of CORESET associated with the PDCCH
  • the determining whether to receive the downlink channel within the first period includes:
  • the downlink channel being a semi-statically configured physical downlink shared channel SPS PDSCH
  • the reference signal being configured as QCL type D in the TCI state of the SPS PDSCH
  • the determining whether to receive the downlink channel within the first period includes:
  • the downlink channel being SPS PDSCH, it is determined to receive the downlink channel within the first period.
  • the determining whether to receive the downlink channel within the first period includes:
  • the downlink channel being PDCCH or SPS PDSCH
  • the reference signal being configured with QCL type D in the TCI state of the downlink channel
  • the determining whether to receive the downlink channel within the first period includes:
  • the downlink channel being the PDCCH corresponding to the set search space, or the PDSCH scheduled by the DCI transmitted in the set search space, it is determined to receive the downlink channel within the first period.
  • the set search space is a search space used for beam or link recovery.
  • the determining whether to receive the downlink channel within the first period includes:
  • the determining to receive the downlink channel within the first period includes: determining that the shutdown period terminates at the first time or before the first time; the first time is The starting time of the first period.
  • the determining to receive the downlink channel within the first period includes: updating the starting time of the shutdown period to a second time, and the second time is the first time. The end time of the period.
  • the second aspect provides a method of sending downlink channels, which is performed by network equipment, including:
  • the indication information being used to indicate that the reference signal is turned off and the turn-off period corresponding to the reference signal;
  • the shutdown period including a first period, the first period being all or part of a second period, and the second period being a period during which the network device sends a downlink channel, determining whether the first period is Send the downlink channel within.
  • the determining whether to send the downlink channel within the first period includes:
  • the downlink channel being the PDCCH and the reference signal being configured as QCL type D in the TCI state of CORESET associated with the PDCCH, it is determined not to send the PDCCH within the first period.
  • the determining whether to send the downlink channel within the first period includes:
  • the determining whether to send the downlink channel within the first period includes:
  • the downlink channel being SPS PDSCH, it is determined to send the downlink channel within the first period.
  • the method further includes:
  • the downlink channel being PDCCH or SPS PDSCH
  • the reference signal being configured with QCL type D in the TCI state of the downlink channel
  • the determining whether to send the downlink channel within the first period includes:
  • the downlink channel being the PDCCH corresponding to the set search space, or the PDSCH scheduled by the DCI transmitted in the set search space, it is determined to send the downlink channel within the first period.
  • the set search space is a search space used for beam or link recovery.
  • the determining whether to send the downlink channel within the first period includes:
  • the determining to send the downlink channel within the first period includes: determining that the shutdown period terminates at or before the first moment; the first moment is The starting time of the first period.
  • the determining to transmit the downlink channel within the first period includes: updating the starting time of the shutdown period to a second time, and the second time is the first time. The end time of the period.
  • a device for receiving a downlink channel configured in user equipment, including:
  • the transceiver module is configured to receive indication information sent by the network device, the indication information being used to indicate that the reference signal is turned off and the turn-off period corresponding to the reference signal;
  • a processing module configured to, in response to the shutdown period including a first period, the first period being all or part of a second period, the second period being a period during which the network device sends a downlink channel, determine whether The downlink channel is received within the first period.
  • a device for transmitting a downlink channel which is configured on network equipment and includes:
  • a transceiver module configured to send indication information to the user equipment, the indication information being used to indicate that the reference signal is turned off and the corresponding turn-off period of the reference signal;
  • a processing module configured to, in response to the shutdown period including a first period, the first period being all or part of a second period, the second period being a period during which the network device sends a downlink channel, determine whether The downlink channel is sent within the first period.
  • an electronic device including a processor and a memory, wherein,
  • the memory is used to store computer programs
  • the processor is configured to execute the computer program to implement the first aspect or any possible design of the first aspect.
  • a communication device including a processor and a memory, wherein,
  • the memory is used to store computer programs
  • the processor is configured to execute the computer program to implement the second aspect or any possible design of the second aspect.
  • a computer-readable storage medium is provided. Instructions are stored in the computer-readable storage medium. When the instructions are called and executed on a computer, the computer is caused to execute the first aspect or the method of the first aspect. Any possible design.
  • a computer-readable storage medium is provided. Instructions are stored in the computer-readable storage medium. When the instructions are called and executed on a computer, the computer is caused to execute the second aspect or the method of the second aspect. Any possible design.
  • the network device when the network device can dynamically switch the reference signal on and off, and the off period of the reference signal covers the first period, it is determined whether to receive the downlink channel in the first period, so as to realize the setting according to the usage needs.
  • the downlink channel is not received to match the behavior of the network device to dynamically turn off the reference signal, or the downlink channel is received and the dynamic control of the reference signal is changed accordingly, so that the network device can dynamically turn off the reference signal.
  • the control of downlink channels is more reasonable and the performance of wireless transmission is improved.
  • Figure 1 is a schematic diagram of a wireless communication system architecture provided by an embodiment of the present disclosure
  • Figure 2 is a flow chart of a method for transmitting a downlink channel provided by an embodiment of the present disclosure
  • Figure 3 is a schematic diagram of the positions of a closing period and a first period provided by an embodiment of the present disclosure
  • Figure 4 is a flow chart of a method for transmitting a downlink channel provided by an embodiment of the present disclosure
  • Figure 5 is a flow chart of a method for receiving a downlink channel provided by an embodiment of the present disclosure
  • Figure 6 is a structural diagram of a device for receiving a downlink channel provided by an embodiment of the present disclosure
  • Figure 7 is a structural diagram of a device for receiving a downlink channel provided by an embodiment of the present disclosure.
  • Figure 8 is a structural diagram of a device for transmitting a downlink channel provided by an embodiment of the present disclosure.
  • Figure 9 is a structural diagram of a device for transmitting a downlink channel provided by an embodiment of the present disclosure.
  • first, second, third, etc. may be used to describe various information in the embodiments of the present disclosure, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • the words "if” and “if” as used herein may be interpreted as “when” or “when” or “in response to determining.”
  • a downlink channel transmission method provided by an embodiment of the present disclosure can be applied to a wireless communication system 100 , which may include a user equipment 101 and a network device 102 .
  • the user equipment 101 is configured to support carrier aggregation and can be connected to multiple carrier units of the network device 102, including a primary carrier unit and one or more secondary carrier units.
  • LTE long term evolution
  • FDD frequency division duplex
  • TDD time division duplex
  • WiMAX global Internet microwave access
  • CRAN cloud radio access network
  • 5G fifth generation
  • 5G new wireless (new radio, NR) communication system
  • PLMN public land mobile network
  • the user equipment 101 shown above can be a terminal, an access terminal, a terminal unit, a terminal station, a mobile station (MS), a remote station, a remote terminal, a mobile terminal, a wireless communication device, a terminal Agent or terminal device, etc.
  • the user equipment 101 may be equipped with a wireless transceiver function, which can communicate (such as wireless communication) with one or more network devices of one or more communication systems, and accept network services provided by the network devices.
  • the network devices here include but are not Limited to the network device 103 shown.
  • the user equipment 101 may be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA) device, or a device with Handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in future 5G networks or terminal devices in future evolved PLMN networks, etc.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the network device 102 may be an access network device (or access network site).
  • access network equipment refers to equipment that provides network access functions, such as wireless access network (radio access network, RAN) base stations and so on.
  • the network device 103 may specifically include a base station (BS), or a base station and a wireless resource management device for controlling the base station, etc.
  • the network device 102 may also include relay stations (relay devices), access points, and base stations in future 5G networks, base stations in future evolved PLMN networks, or NR base stations, etc.
  • Network device 102 may be a wearable device or a vehicle-mounted device.
  • the network device 102 may also be a communication chip having a communication module.
  • the network device 102 includes but is not limited to: the next generation base station (gnodeB, gNB) in 5G, the evolved node B (evolved node B, eNB) in the LTE system, the radio network controller (radio network controller, RNC), Node B (NB) in the WCDMA system, wireless controller under the CRAN system, base station controller (BSC), base transceiver station (BTS) in the GSM system or CDMA system, home Base station (for example, home evolved nodeB, or home node B, HNB), baseband unit (baseband unit, BBU), transmission point (transmitting and receiving point, TRP), transmitting point (transmitting point, TP) or mobile switching center, etc.
  • the next generation base station gNB
  • gNB next generation base station
  • gNB next generation base station
  • gNB next generation base station
  • gNB next generation base station
  • gNB next generation base station
  • gNB next generation base station
  • gNB next generation base station
  • FIG. 2 is a flow chart for transmitting a downlink channel according to an exemplary embodiment. As shown in Figure 2, the method includes steps S201-S203:
  • the network device sends indication information to the user equipment, where the indication information is used to indicate that the reference signal is turned off and the corresponding turn-off period of the reference signal.
  • the network device sends configuration information to the user equipment (which can be sent via wireless link control RRC signaling), the configuration information is used to configure at least one space unit group, and the space unit group is a candidate Space unit groups that can be turned off.
  • Each space unit group includes one or more reference signals (Reference Signal).
  • the space unit group includes multiple space units, and the space unit is at least one of the following: antenna unit, port, TRX chain, beam, and panel (Panel).
  • the user equipment After receiving the indication information, the user equipment can learn which reference signals are turned off and the corresponding turn-off period.
  • the network device sends downlink channel configuration information to the user equipment.
  • the downlink channel configuration information is used to configure a second period.
  • the second period is a period during which the network device sends the downlink channel.
  • the downlink channel configuration information is search space and CORESET configuration information.
  • the downlink channel configuration information is SPS PDSCH configuration information.
  • SPS PDSCH is a semi-persistent transmission PDSCH.
  • the higher layer configures periodic PDSCH transmission resources and uses downlink control information (Downlink Control Information, DCI) to activate and deactivate.
  • DCI Downlink Control Information
  • the execution order of S201 and S202 is not limited to the method of executing S201 first and then executing S202. It can also be the method of executing S202 first and then executing S201, or they can be executed simultaneously.
  • the network device determines whether to send the downlink channel in the first period, and the user equipment determines Whether to send the downlink channel within the first period.
  • the network device determines not to send the downlink channel within the first period, the original shutdown period remains unchanged.
  • the network device determines to send the downlink channel within the first period, it will turn on the corresponding reference signal before sending the downlink channel, that is, end the off period of the corresponding reference signal in advance.
  • the network device determines whether to send the downlink channel within the first time period, it determines whether to send the downlink channel within the first time period based on the downlink channel and the reference signal.
  • the user equipment determines whether to receive the downlink channel within the first time period, it determines whether to receive the downlink channel within the first time period based on the downlink channel and the reference signal.
  • the network device can use the MAC CE for each CORESET to indicate the TCI state of the CORESET.
  • the network device can indicate the TCI state in the activated DCI.
  • TCI state includes up to 2 reference signals.
  • the network equipment configures the PDCCH channel, SPS and the QCL relationship between PDSCH and these two reference signals respectively. It can be configured as QCL type (type) A, QCL type (type) B, QCL type (type) C, QCL type (type) D and other types. If configured as QCL type D, it means that the transmit beams of PDCCH, SPS and PDSCH are the same as the reference signal.
  • the network device determines not to send the For the PDCCH, the user equipment determines not to receive the PDCCH within the first period.
  • the network device determines not to transmit within the first period
  • the user equipment determines not to receive the SPS PDSCH within the first period.
  • not transmitting the downlink channel during the first period matches the behavior of the network device to dynamically turn off the reference signal, thereby enabling the network device to dynamically turn on or off the reference signal.
  • the priority is higher than the priority of transmitting the downlink channel, so that the behavior of the network device to dynamically turn on or off the reference signal will accordingly affect the transmission of the corresponding downlink channel.
  • the network device determines that in the first The PDCCH is sent within the first time period, and the user equipment determines to receive the PDCCH within the first time period.
  • the network device determines that in the The SPS PDSCH is sent within the first period, and the user equipment determines to receive the SPS PDSCH within the first period.
  • the network device determines that in the first The downlink channel is sent within the first time period, and the user equipment determines to receive the downlink channel within the first time period.
  • the downlink channel is still transmitted during the first period, so that the priority of transmitting the downlink channel is higher than the priority of the network device's behavior of dynamically turning on or off the reference signal, so that the network device dynamically The act of turning on or off the reference signal does not affect the transmission of the corresponding downlink channel.
  • the network device determines whether to send the downlink channel within the first time period, it determines whether to send the downlink channel within the first time period based on the downlink channel.
  • the user equipment determines whether to receive the downlink channel within the first time period, it determines whether to receive the downlink channel within the first time period based on the downlink channel.
  • the PDCCH In response to the downlink channel being the PDCCH, the PDCCH is received within the first time period; or in response to the downlink channel being the SPS PDSCH, the SPS PDSCH is received within the first time period.
  • the second type is the first type:
  • CORESETs For some special CORESETs (such as the CORESET corresponding to the recovery search space), stopping to send the corresponding PDCCH may cause communication interruption of the user equipment. Therefore, this type of CORESET should not be affected by dynamic switching reference signals of network equipment.
  • the network device determines to send the downlink channel within the first period, and, The user equipment determines to receive the downlink channel within the first period.
  • the search space is set to be a search space for beam or link recovery, so that in response to the downlink channel being the PDCCH corresponding to the search space for beam or link recovery, or when the downlink channel is used for beam or link recovery,
  • the network device determines to send the downlink channel within the first period, and the user equipment determines to receive the downlink channel within the first period.
  • the reference signal configured as QCL type D in the TCI state in CORESET corresponding to the search space cannot be turned off.
  • set the search space to be the search space for beam or link recovery, so the reference signal configured as QCL type D in the TCI state in CORESET corresponding to the search space for beam or link recovery cannot be turned off.
  • the third type is the third type.
  • the network device determines to send the downlink channel within the first time period, and the user equipment determines to receive the downlink channel within the first time period. .
  • the network device determines to send the downlink channel within the first period, and the user equipment determines to receive the downlink channel within the first period.
  • the reference signal configured as QCL type D in the TCI state corresponding to the SPS PDSCH configured to set the priority cannot be turned off.
  • the reference signal configured as QCL type D in the TCI state corresponding to the SPS PDSCH configured as the highest priority cannot be turned off.
  • the downlink channel is still transmitted during the first period and is not affected by the network device's behavior of dynamically turning off the reference signal. Therefore, the network device's behavior of dynamically turning on or off the reference signal is not affected. Affects the transmission of the corresponding downlink channel.
  • the shutdown period is adjusted so that the downlink channel The transmission is executed smoothly, combined with Figure 3 (in Figure 3, the dotted line area corresponds to the second period, and the diagonal filled area corresponds to the first period), the method of adjusting the shutdown period can be one of the following:
  • Method 1 determine that the shutdown period ends at a first time or before a first time, and the first time is the starting time of the first period. That is, the closing period is terminated early.
  • the shutdown period is not enabled (i.e., it is not effective).
  • Method 2 Update the starting time of the closing period to a second time, and the second time to be the end time of the first period. That is, delaying the activation of the shutdown period. It is applicable to the situation shown in the second diagram in Figure 3, that is, the starting position of the closing period overlaps with the starting position of the first period.
  • the network device when the network device can dynamically switch the reference signal on and off, and the off period of the reference signal covers the first period, it is determined whether to receive the downlink channel in the first period, so as to achieve the purpose of switching the reference signal on and off according to the needs of use. Under certain circumstances, do not receive the downlink channel to match the behavior of the network device to dynamically turn off the reference signal, or receive the downlink channel and change the dynamic control of the reference signal accordingly, so that the network device can Under the premise of dynamically switching the reference signal, the control of the downlink channel is more reasonable and the performance of wireless transmission is improved.
  • Embodiments of the present disclosure provide a method for receiving a downlink channel, which is executed by user equipment.
  • Figure 4 is a flow chart of transmitting a downlink channel according to an exemplary embodiment. As shown in Figure 4, the method includes step S401 -S402:
  • S401 Receive instruction information sent by the network device, where the instruction information is used to indicate that the reference signal is turned off and the corresponding turn-off period of the reference signal.
  • configuration information sent by a network device (which can be received through wireless link control RRC signaling) is received, and the configuration information is used to configure at least one space unit group, and the space unit group is a candidate candidate Closed space unit groups, each space unit group includes one or more reference signals (Reference Signal).
  • the space unit group includes multiple space units, and the space unit is at least one of the following: antenna unit, port, TRX chain, beam, and panel (Panel).
  • the user equipment After receiving the indication information, the user equipment can learn which reference signals are turned off and the corresponding turn-off period.
  • the S402. In response to the shutdown period including a first period, the first period being all or part of a second period, and the second period being a period in which the network device sends a downlink channel, determine whether the first period is in the first period.
  • the downlink channel is received within a period of time.
  • the second period is information that the user equipment has learned through the received downlink channel configuration information.
  • the downlink channel configuration information is used to configure the second period, and the second period is the period in which the network device sends the downlink channel.
  • the downlink channel configuration information is search space and CORESET configuration information.
  • the downlink channel configuration information is SPS PDSCH configuration information.
  • the user equipment determines whether to receive the downlink channel within the first time period, it determines whether to receive the downlink channel within the first time period based on the downlink channel and the reference signal.
  • the network device can use the MAC CE for each CORESET to indicate the TCI state of the CORESET.
  • the network device can indicate the TCI state in the activated DCI.
  • TCI state includes up to 2 reference signals.
  • the network equipment configures the PDCCH channel, SPS and the QCL relationship between PDSCH and these two reference signals respectively. It can be configured as QCL type (type) A, QCL type (type) B, QCL type (type) C, QCL type (type) D and other types. If configured as QCL type D, it means that the transmit beams of PDCCH, SPS and PDSCH are the same as the reference signal.
  • the user equipment determines not to receive all Describe PDCCH.
  • the user equipment determines not to receive it within the first period The SPS PDSCH.
  • not receiving the downlink channel during the first period matches the behavior of the network device to dynamically turn off the reference signal, so that the network device can dynamically turn on or off the reference signal accordingly.
  • the impact on the reception of the corresponding downlink channel is not receiving the downlink channel during the first period.
  • the user equipment determines that in the first The PDCCH is received within the period.
  • the user equipment determines that in the The SPS PDSCH is received during the first period.
  • the user equipment determines that in the first The downlink channel is received within the time period.
  • the downlink channel is still transmitted during the first period, so that the priority of transmitting the downlink channel is higher than the priority of the network device's behavior of dynamically turning on or off the reference signal, so that the network device dynamically The behavior of turning on or off the reference signal does not affect the reception of the corresponding downlink channel.
  • the user equipment when the user equipment determines whether to receive the downlink channel within the first time period, it determines whether to receive the downlink channel within the first time period based on the downlink channel.
  • the PDCCH In response to the downlink channel being the PDCCH, the PDCCH is received within the first time period; or in response to the downlink channel being the SPS PDSCH, the SPS PDSCH is received within the first time period.
  • the second type is the first type:
  • CORESETs For some special CORESETs (such as the CORESET corresponding to the recovery search space), stopping to send the corresponding PDCCH may cause communication interruption of the user equipment. Therefore, this type of CORESET should not be affected by dynamic switching reference signals of network equipment.
  • the user equipment determines to receive the downlink channel within the first period.
  • the search space is set to be a search space for beam or link recovery, so that in response to the downlink channel being the PDCCH corresponding to the search space for beam or link recovery, or when the downlink channel is used for beam or link recovery, The user equipment determines to receive the downlink channel within the first period of time based on the PDSCH scheduled by the DCI transmitted in the search space.
  • the third type is the third type.
  • the user equipment determines to receive the downlink channel within the first period. For example: in response to the priority of the downlink channel being the highest priority, the user equipment determines to receive the downlink channel within the first period.
  • the downlink channel is still received during the first period and is not affected by the network device's behavior of dynamically turning off the reference signal. Therefore, the network device's behavior of dynamically turning on or off the reference signal is not affected. Affect the reception of the corresponding downlink channel.
  • the closing period is adjusted so that the transmission of the downlink channel is smoothly performed.
  • the method of adjusting the closing period can be one of the following:
  • Method 1 determine that the shutdown period ends at a first time or before a first time, and the first time is the starting time of the first period. That is, the closing period is terminated early.
  • the shutdown period is not enabled (i.e., it is not effective).
  • Method 2 Update the starting time of the closing period to a second time, and the second time to be the end time of the first period. That is, delaying the activation of the shutdown period.
  • Embodiments of the present disclosure provide a method for transmitting a downlink channel, which is executed by a network device.
  • Figure 5 is a flow chart for transmitting a downlink channel according to an exemplary embodiment. As shown in Figure 5, the method includes step S501 -S502:
  • the network device sends configuration information to the user equipment (which can be sent via wireless link control RRC signaling), the configuration information is used to configure at least one space unit group, and the space unit group is a candidate Space unit groups that can be turned off.
  • Each space unit group includes one or more reference signals (Reference Signal).
  • the space unit group includes multiple space units, and the space unit is at least one of the following: antenna unit, port, TRX chain, beam, and panel (Panel).
  • the user equipment After receiving the indication information, the user equipment can learn which reference signals are turned off and the corresponding turn-off period.
  • the network device In response to the shutdown period including a first period, the first period being all or part of a second period, and the second period being a period in which the network device sends a downlink channel, determine whether the first period is in the first period.
  • the downlink channel is sent within a period of time.
  • the second period is a period during which the network device sends a downlink channel.
  • the network device may send downlink channel configuration information to the user equipment, where the downlink channel configuration information is used to configure the second time period, so that the user equipment can learn the second time period.
  • the downlink channel configuration information is search space and CORESET configuration information.
  • the downlink channel configuration information is SPS PDSCH configuration information.
  • the network device determines whether to send the downlink channel within the first time period, it determines whether to send the downlink channel within the first time period based on the downlink channel and the reference signal.
  • the network device can use the MAC CE for each CORESET to indicate the TCI state of the CORESET.
  • the network device can indicate the TCI state in the activated DCI.
  • TCI state includes up to 2 reference signals.
  • the network equipment configures the PDCCH channel, SPS and the QCL relationship between PDSCH and these two reference signals respectively. It can be configured as QCL type (type) A, QCL type (type) B, QCL type (type) C, QCL type (type) D and other types. If configured as QCL type D, it means that the transmit beams of PDCCH, SPS and PDSCH are the same as the reference signal.
  • the network device determines not to send the Describe PDCCH.
  • the network device determines not to transmit within the first period The SPS PDSCH.
  • not transmitting the downlink channel during the first period matches the behavior of the network device to dynamically turn off the reference signal, so that the network device can dynamically turn on or off the reference signal accordingly.
  • the impact on the corresponding downlink channel transmission is not transmitting the downlink channel during the first period.
  • the network device determines that in the first The PDCCH is sent within the time period.
  • the network device determines that in the The SPS PDSCH is sent within the first period.
  • the network device determines that in the first The downlink channel is sent within the time period.
  • the downlink channel is still transmitted during the first period, so that the priority of transmitting the downlink channel is higher than the priority of the network device's behavior of dynamically turning on or off the reference signal, so that the network device dynamically The behavior of turning on or off the reference signal does not affect the transmission of the corresponding downlink channel.
  • the network device determines whether to send the downlink channel within the first time period, it determines whether to send the downlink channel within the first time period based on the downlink channel.
  • the PDCCH In response to the downlink channel being the PDCCH, the PDCCH is sent in the first time period; or in response to the downlink channel being the SPS PDSCH, it is determined to send the SPS PDSCH in the first time period.
  • the second type is the first type:
  • CORESETs For some special CORESETs (such as the CORESET corresponding to the recovery search space), stopping to send the corresponding PDCCH may cause communication interruption of the user equipment. Therefore, this type of CORESET should not be affected by dynamic switching reference signals of network equipment.
  • the network device determines to send the downlink channel within the first period.
  • the search space is set to be a search space for beam or link recovery, so that in response to the downlink channel being the PDCCH corresponding to the search space for beam or link recovery, or when the downlink channel is used for beam or link recovery, Based on the PDSCH scheduled by the DCI transmitted in the search space, the network device determines to send the downlink channel within the first period.
  • the third type is the third type.
  • the network device determines to send the downlink channel within the first period. For example: in response to the priority of the downlink channel being the highest priority, the network device determines to send the downlink channel within the first period.
  • the downlink channel is still sent during the first period and is not affected by the network device's behavior of dynamically turning off the reference signal. Therefore, the network device's behavior of dynamically turning on or off the reference signal is not affected. Affects the transmission of the corresponding downlink channel.
  • the shutdown period is adjusted so that the transmission of the downlink channel is performed smoothly.
  • the dotted area corresponds to In the second period
  • the diagonally filled area corresponds to the first period.
  • the method of adjusting the closing period can be one of the following:
  • Method 1 determine that the shutdown period ends at a first time or before a first time, and the first time is the starting time of the first period. That is, the closing period is terminated early.
  • the shutdown period is not enabled (i.e., it is not effective).
  • Method 2 Update the starting time of the closing period to a second time, and the second time to be the end time of the first period. That is, delaying the activation of the shutdown period.
  • embodiments of the present disclosure also provide a communication device, which can have the functions of the user equipment 102 in the above method embodiments, and is used to perform the functions provided by the user equipment 102 in the above embodiments. steps to perform.
  • This function can be implemented by hardware, or it can be implemented by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device 600 shown in Figure 6 can serve as the user equipment 102 involved in the above method embodiment, and perform the steps performed by the user equipment 102 in the above method embodiment.
  • the communication device 600 includes a transceiver module 601 and a processing module 602.
  • the transceiver module 601 is configured to receive indication information sent by the network device, where the indication information is used to indicate that the reference signal is turned off and the turn-off period corresponding to the reference signal;
  • the processing module 602 determines whether in the The downlink channel is received within the first period.
  • the processing module 602 is further configured to: respond that the downlink channel is a physical downlink control channel PDCCH, and the reference signal is configured as QCL in the TCI state of CORESET associated with the PDCCH Type D, it is determined that the PDCCH is not received within the first period.
  • the processing module 602 is further configured to: respond to the downlink channel being a semi-statically configured physical downlink shared channel SPS PDSCH, and the reference signal is configured in the TCI state of the SPS PDSCH.
  • QCL type D determines that the SPS PDSCH is not received within the first period.
  • the processing module 602 is further configured to: in response to the downlink channel being PDCCH, determine to receive the PDCCH within the first period; or, in response to the downlink channel being SPS PDSCH, It is determined that the SPS PDSCH is received within the first period.
  • the processing module 602 is further configured to: in response to the downlink channel being PDCCH or SPS PDSCH, and the reference signal being configured with QCL type D in the TCI state of the downlink channel, determine The downlink channel is received within the first period.
  • the processing module 602 is further configured to: in response to the PDCCH corresponding to the set search space of the downlink channel, or the PDSCH scheduled by the DCI transmitted in the set search space, determine the The downlink channel is received within the first period.
  • the set search space is a search space used for beam or link recovery.
  • the processing module 602 is further configured to: in response to the priority of the downlink channel being the set priority, determine to receive the downlink channel within the first period.
  • the processing module 602 is further configured to: determine that the shutdown period terminates at or before the first moment; the first moment is the starting moment of the first period.
  • the communication device When the communication device is user equipment 102, its structure may also be as shown in Figure 7 .
  • Figure 7 is a block diagram of a device 700 for receiving a downlink channel according to an exemplary embodiment.
  • the device 700 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, or the like.
  • the device 700 may include one or more of the following components: a processing component 702, a memory 704, a power component 706, a multimedia component 708, an audio component 710, an input/output (I/O) interface 712, a sensor component 714, and communications component 716.
  • a processing component 702 a memory 704
  • a power component 706 a multimedia component 708, an audio component 710, an input/output (I/O) interface 712, a sensor component 714, and communications component 716.
  • I/O input/output
  • Processing component 702 generally controls the overall operations of device 700, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 702 may include one or more processors 720 to execute instructions to complete all or part of the steps of the above method.
  • processing component 702 may include one or more modules that facilitate interaction between processing component 702 and other components.
  • processing component 702 may include a multimedia module to facilitate interaction between multimedia component 708 and processing component 702.
  • Memory 704 is configured to store various types of data to support operations at device 700 . Examples of such data include instructions for any application or method operating on device 700, contact data, phonebook data, messages, pictures, videos, etc.
  • Memory 704 may be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EEPROM), Programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EEPROM erasable programmable read-only memory
  • EPROM Programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory, magnetic or optical disk.
  • Power component 706 provides power to various components of device 700.
  • Power components 706 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 700 .
  • Multimedia component 708 includes a screen that provides an output interface between the device 700 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide action.
  • multimedia component 708 includes a front-facing camera and/or a rear-facing camera.
  • the front camera and/or the rear camera may receive external multimedia data.
  • Each front-facing camera and rear-facing camera can be a fixed optical lens system or have a focal length and optical zoom capabilities.
  • Audio component 710 is configured to output and/or input audio signals.
  • audio component 710 includes a microphone (MIC) configured to receive external audio signals when device 700 is in operating modes, such as call mode, recording mode, and speech recognition mode. The received audio signal may be further stored in memory 704 or sent via communication component 716 .
  • audio component 710 also includes a speaker for outputting audio signals.
  • the I/O interface 712 provides an interface between the processing component 702 and a peripheral interface module, which may be a keyboard, a click wheel, a button, etc. These buttons may include, but are not limited to: Home button, Volume buttons, Start button, and Lock button.
  • Sensor component 714 includes one or more sensors that provide various aspects of status assessment for device 700 .
  • the sensor component 714 may detect the open/closed state of the device 700, the relative positioning of components, such as the display and keypad of the device 700, and the sensor component 714 may also detect a change in position of the device 700 or a component of the device 700. , the presence or absence of user contact with device 700 , device 700 orientation or acceleration/deceleration and temperature changes of device 700 .
  • Sensor assembly 714 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 714 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 714 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 716 is configured to facilitate wired or wireless communication between apparatus 700 and other devices.
  • Device 700 may access a wireless network based on a communication standard, such as WiFi, 4G or 5G, or a combination thereof.
  • communication component 716 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communications component 716 also includes a near field communications (NFC) module to facilitate short-range communications.
  • NFC near field communications
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 700 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable Gate array (FPGA), controller, microcontroller, microprocessor or other electronic components are implemented for executing the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable Gate array
  • controller microcontroller, microprocessor or other electronic components are implemented for executing the above method.
  • a non-transitory computer-readable storage medium including instructions such as a memory 704 including instructions, which are executable by the processor 720 of the device 700 to complete the above method is also provided.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
  • embodiments of the present disclosure also provide a communication device, which can have the functions of the network device 101 in the above method embodiments, and is used to perform the functions provided by the network device 101 in the above embodiments. steps to perform.
  • This function can be implemented by hardware, or it can be implemented by software or hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device 800 shown in Figure 8 can serve as the network device 101 involved in the above method embodiment, and perform the steps performed by the network device 101 in the above method embodiment.
  • the communication device 800 shown in FIG. 8 includes a transceiver module 801 and a processing module 802.
  • the transceiver module 801 is configured to send indication information to the user equipment, the indication information being used to indicate that the reference signal is turned off and the turn-off period corresponding to the reference signal;
  • the processing module 802 is configured to, in response to the shutdown period including a first period, the first period being all or part of a second period, and the second period being a period during which the network device sends a downlink channel, determine whether The downlink channel is sent within the first period.
  • the processing module 802 is further configured to determine that in response to the downlink channel being a PDCCH and the reference signal being configured as QCL type D in the TCI state of the CORESET associated with the PDCCH, The PDCCH is not sent during the first period.
  • the processing module 802 is further configured to respond to the downlink channel being SPS PDSCH, and the reference signal being configured as QCL type D in the TCI state of SPS PDSCH, determining whether the The SPS PDSCH is not sent during the first period.
  • the processing module 802 is further configured to, in response to the downlink channel being PDCCH, determine to send the PDCCH within the first period; or, in response to the downlink channel being SPS PDSCH, It is determined to send the SPS PDSCH within the first period.
  • the processing module 802 is also configured to respond to the downlink channel being PDCCH or SPS PDSCH, and the reference signal is configured with QCL type D in the TCI state of the downlink channel, determining whether The downlink channel is sent within the first period.
  • the processing module 802 is further configured to determine, in response to the PDCCH corresponding to the set search space of the downlink channel, or the PDSCH scheduled by the DCI transmitted in the set search space, that The downlink channel is sent within the first period.
  • the set search space is a search space used for beam or link recovery.
  • the processing module 802 is further configured to determine to send the downlink channel within the first period in response to the priority of the downlink channel being the set priority.
  • the processing module 802 is further configured to determine that the shutdown period terminates at or before a first moment; the first moment is the starting moment of the first period.
  • the device 900 When the communication device is a network device 101, its structure may also be as shown in Figure 9.
  • the device 900 includes a memory 901, a processor 902, a transceiver component 903, and a power supply component 906.
  • the memory 901 is coupled with the processor 902 and can be used to store programs and data necessary for the communication device 900 to implement various functions.
  • the processor 902 is configured to support the communication device 900 to perform corresponding functions in the above method. This function can be implemented by calling a program stored in the memory 901 .
  • the transceiver component 903 may be a wireless transceiver, which may be used to support the communication device 900 to receive signaling and/or data through a wireless air interface, and to send signaling and/or data.
  • the transceiver component 903 may also be called a transceiver unit or a communication unit.
  • the transceiver component 903 may include a radio frequency component 904 and one or more antennas 905.
  • the radio frequency component 904 may be a remote radio unit (RRU). Specifically, It can be used for the transmission of radio frequency signals and the conversion of radio frequency signals and baseband signals.
  • the one or more antennas 905 can be specifically used for radiating and receiving radio frequency signals.
  • the processor 902 can perform baseband processing on the data to be sent, and then output the baseband signal to the radio frequency unit.
  • the radio frequency unit performs radio frequency processing on the baseband signal and then sends the radio frequency signal in the form of electromagnetic waves through the antenna.
  • the radio frequency unit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 902.
  • the processor 902 converts the baseband signal into data and processes the data. for processing.
  • the network device can dynamically switch the reference signal on and off, and the off period of the reference signal covers the first period, determine whether to receive the downlink channel in the first period, so as to achieve no reception under set circumstances according to usage needs.
  • the downlink channel matches the behavior of the network device to dynamically turn off the reference signal, or the downlink channel is received and the dynamic control of the reference signal is changed accordingly, so that the network device can dynamically switch the reference signal on and off. Under this condition, the control of downlink channels is more reasonable and the performance of wireless transmission is improved.

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Abstract

本公开提供一种传输下行信道的方法、装置、设备以及可读存储介质，应用于无线通信技术领域，此方法包括：接收网络设备发送的指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段；响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内接收所述下行信道。

Description

一种传输下行信道的方法、装置、设备以及可读存储介质 技术领域
本公开涉及无线通信技术领域，尤其涉及一种传输下行信道的方法、装置、设备以及可读存储介质。
背景技术
在无线通信技术发展的过程中，如何降低基站的能耗是人们研究的热点。
降低基站能耗的一种方法是动态的开关空间单元，例如某些天线单元、端口(port)、收发信机链(TRX chain)、波束(beam)、面板(panel)、参考信号(Reference Signal，RS)等,但是动态的开关空间单元会导致实际发送的波束或者导频发生变化，例如某些波束被关闭或者某些导频被关闭等。
如果网络设备动态的开关波束，可能导致发送下行信道的波束被关闭，影响下行信道的发送。
发明内容
本公开提供了一种传输下行信道的方法、装置、设备以及可读存储介质。
第一方面，提供了一种接收下行信道的方法，由用户设备执行，包括：
接收网络设备发送的指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段；
响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内接收所述下行信道。
在一些可能的实施方式中，所述确定是否在所述第一时段内接收所述下行信道，包括：
响应于所述下行信道为物理下行控制信道PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL类型D，确定在所述第一时段内不接收所述PDCCH。
在一些可能的实施方式中，所述确定是否在所述第一时段内接收所述下行信道，包括：
响应于所述下行信道为半静态配置的物理下行共享信道SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，确定在所述第一时段内不接收所述SPS PDSCH。
在一些可能的实施方式中，所述确定是否在所述第一时段内接收所述下行信道，包括：
响应于所述下行信道为PDCCH，确定在所述第一时段内接收所述下行信道；
或者，响应于所述下行信道为SPS PDSCH，确定在所述第一时段内接收所述下行信道。
在一些可能的实施方式中，所述确定是否在所述第一时段内接收所述下行信道，包括：
响应于所述下行信道为PDCCH或者SPS PDSCH，并且，所述参考信号在所述下行信道的TCI状态中被配置QCL类型D，确定在所述第一时段内接收所述PDCCH。
在一些可能的实施方式中，所述确定是否在所述第一时段内接收所述下行信道，包括：
响应于所述下行信道为设定搜索空间对应的PDCCH，或在设定搜索空间中传输的DCI所调度的PDSCH，确定在所述第一时段内接收所述下行信道。
在一些可能的实施方式中，所述设定搜索空间为用于波束或链路恢复的搜索空间。
在一些可能的实施方式中，所述确定是否在所述第一时段内接收所述下行信道，包括：
响应于所述下行信道的优先级为设定优先级，确定在所述第一时段内接收所述下行信道。
在一些可能的实施方式中，所述确定在所述第一时段内接收所述下行信道，包括：确定所述关闭时段在第一时刻终止或者在第一时刻之前终止；所述第一时刻为所述第一时段的起始时刻。
在一些可能的实施方式中，所述确定在所述第一时段内接收所述下行信道，包括：更新所述关闭时段的起始时刻为第二时刻，所述第二时刻为所述第一时段的结束时刻。
第二方面，提供了一种发送下行信道的方法，由网络设备执行，包括：
向用户设备发送指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段；
响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内发送所述下行信道。
在一些可能的实施方式中，所述确定是否在所述第一时段内发送所述下行信道，包括：
响应于所述下行信道为PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL类型D，确定在所述第一时段内不发送所述PDCCH。
在一些可能的实施方式中，所述确定是否在所述第一时段内发送所述下行信道，包括：
响应于所述下行信道为SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，确定在所述第一时段内不发送所述SPS PDSCH。
在一些可能的实施方式中，所述确定是否在所述第一时段内发送所述下行信道，包括：
响应于所述下行信道为PDCCH，确定在所述第一时段内发送所述下行信道；
或者，响应于所述下行信道为SPS PDSCH，确定在所述第一时段内发送所述下行信道。
在一些可能的实施方式中，所述方法还包括：
响应于所述下行信道为PDCCH或者SPS PDSCH，并且所述参考信号在所述下行信道的TCI状态中被配置QCL类型D，确定在所述第一时段内发送所述下行信道。
在一些可能的实施方式中，所述确定是否在所述第一时段内发送所述下行信道，包括：
响应于所述下行信道为设定搜索空间对应的PDCCH，或在设定搜索空间中传输的DCI所调度的PDSCH，确定在所述第一时段内发送所述下行信道。
在一些可能的实施方式中，所述设定搜索空间为用于波束或链路恢复的搜索空间。
在一些可能的实施方式中，所述确定是否在所述第一时段内发送所述下行信道，包括：
响应于所述下行信道的优先级为设定优先级，确定在所述第一时段内发送所述下行信道。
在一些可能的实施方式中，所述确定在所述第一时段内发送所述下行信道，包括：确定所述关闭时段在第一时刻终止或者在第一时刻之前终止；所述第一时刻为所述第一时段的起始时刻。
在一些可能的实施方式中，所述确定在所述第一时段内发送所述下行信道，包括：更新所述关闭时段的起始时刻为第二时刻，所述第二时刻为所述第一时段的结束时刻。
第三方面，提供一种接收下行信道的装置，被配置于用户设备，包括：
收发模块，被配置为接收网络设备发送的指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段；
处理模块，被配置为响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内接收所述下行信道。
第四方面，提供一种发送下行信道的装置，被配置于网络设备，包括：
收发模块，被配置为向用户设备发送指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段；
处理模块，被配置为响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内发送所述下行信道。
第五方面，提供一种电子设备，包括处理器以及存储器，其中，
所述存储器用于存储计算机程序；
所述处理器用于执行所述计算机程序，以实现第一方面或第一方面的任意一种可能的设计。
第六方面，提供一种通信设备，包括处理器以及存储器，其中，
所述存储器用于存储计算机程序；
所述处理器用于执行所述计算机程序，以实现第二方面或第二方面的任意一种可能的设计。
第七方面，提供一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当所述指令在计算机上被调用执行时，使得所述计算机执行第一方面或第一方面的任意一种可能的设计。
第八方面，提供一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当所述指令在计算机上被调用执行时，使得所述计算机执行第二方面或第二方面的任意一种可能的设计。
本公开中，在网络设备可动态开关参考信号，并且，参考信号的关闭时段覆盖第一时段时，确定是否在所述第一时段内接收所述下行信道，以实现根据使用需要在设定情况下，不接收所述下行信道使与网络设备动态的关闭所述参考信号的行为相匹配，或者，接收所述下行信道并相应的改变所述参考信号的动态控制，从而在网络设备可动态开关参考信号的前提下，对于下行信道的控制更为合理，提高无线传输的性能。
附图说明
此处所说明的附图用来提供对本公开实施例的进一步理解，构成本申请的一部分，本公开实施例的示意性实施例及其说明用于解释本公开实施例，并不构成对本公开实施例的不当限定。在附图中：
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开实施例的实施例，并与说明书一起用于解释本公开实施例的原理。
图1是本公开实施例提供的一种无线通信系统架构示意图；
图2是本公开实施例提供的一种传输下行信道的方法的流程图；
图3是本公开实施例提供的一种关闭时段与第一时段的位置示意图；
图4是本公开实施例提供的一种发送下行信道的方法的流程图；
图5是本公开实施例提供的一种接收下行信道的方法的流程图；
图6是本公开实施例提供的一种接收下行信道的装置的结构图；
图7是本公开实施例提供的一种接收下行信道的装置的结构图；
图8是本公开实施例提供的一种发送下行信道的装置的结构图；
图9是本公开实施例提供的一种发送下行信道的装置的结构图。
具体实施方式
现结合附图和具体实施方式对本公开实施例进一步说明。
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本公开实施例相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本公开的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本公开实施例范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”及“若”可以被解释成为“在……时”或“当……时”或“响应于确定”。
下面详细描述本公开的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的要素。下面通过参考附图描述的实施例是示例性的，旨在用于解释本公开，而不能理解为对本公开的限制。
如图1所示，本公开实施例提供的一种传输下行信道的可应用于无线通信系统100，该无线通信系统可以包括用户设备101和网络设备102。其中，用户设备101被配置为支持载波聚合，并可连接至网络设备102的多个载波单元，包括一个主载波单元以及一个或多个辅载波单元。
应理解，以上无线通信系统100既可适用于低频场景，也可适用于高频场景。无线通 信系统100的应用场景包括但不限于长期演进(long term evolution，LTE)系统、LTE频分双工(frequency division duplex，FDD)系统、LTE时分双工(time division duplex，TDD)系统、全球互联微波接入(worldwide interoperability for micro wave access，WiMAX)通信系统、云无线接入网络(cloud radio access network，CRAN)系统、未来的第五代(5th-Generation，5G)系统、新无线(new radio，NR)通信系统或未来的演进的公共陆地移动网络(public land mobile network，PLMN)系统等。
以上所示用户设备101可以是终端(terminal)、接入终端、终端单元、终端站、移动台(mobile station，MS)、远方站、远程终端、移动终端(mobile terminal)、无线通信设备、终端代理或终端设备等。该用户设备101可具备无线收发功能，其能够与一个或多个通信系统的一个或多个网络设备进行通信(如无线通信)，并接受网络设备提供的网络服务，这里的网络设备包括但不限于图示网络设备103。
其中，用户设备101可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字处理personal digital assistant，PDA)设备、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、未来5G网络中的终端设备或者未来演进的PLMN网络中的终端设备等。
网络设备102可以是接入网设备(或称接入网站点)。其中，接入网设备是指有提供网络接入功能的设备，如无线接入网(radio access network，RAN)基站等等。网络设备103具体可包括基站(base station，BS)，或包括基站以及用于控制基站的无线资源管理设备等。该网络设备102还可包括中继站(中继设备)、接入点以及未来5G网络中的基站、未来演进的PLMN网络中的基站或者NR基站等。网络设备102可以是可穿戴设备或车载设备。网络设备102也可以是具有通信模块的通信芯片。
比如，网络设备102包括但不限于：5G中的下一代基站(gnodeB，gNB)、LTE系统中的演进型节点B(evolved node B，eNB)、无线网络控制器(radio network controller，RNC)、WCDMA系统中的节点B(node B，NB)、CRAN系统下的无线控制器、基站控制器(basestation controller，BSC)、GSM系统或CDMA系统中的基站收发台(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)、传输点(transmitting and receiving point，TRP)、发射点(transmitting point，TP)或移动交换中心等。
本公开实施例提供了一种传输下行信道的方法，图2是根据一示例性实施例示出的一种传输下行信道的流程图，如图2所示，该方法包括步骤S201-S203：
S201，网络设备向用户设备发送指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段。
在一些可能的实施方式中，网络设备向用户设备发送配置信息(可通过无线链路控制RRC信令发送)，所述配置信息用于配置至少一个空间单元组，所述空间单元组为候选的可被关闭的空间单元组，每个空间单元组包括一个或多个参考信号(Reference Signal)。空间单元组包括多个空间单元，空间单元为以下中的至少一种：天线单元、端口、TRX链、波束、面板(Panel)。
用户设备在收到所述指示信息后，便可获知哪些参考信号被关闭以及相应的关闭时段。
S202，网络设备向用户设备发送下行信道配置信息，所述下行信道配置信息用于配置第二时段，所述第二时段是所述网络设备发送下行信道的时段。
在一些可能的实施方式中，下行信道是物理下行控制信道(physical downlink control channel，PDCCH)时，所述下行信道配置信息为搜索空间及CORESET配置信息。
在一些可能的实施方式中，下行信道是半持续调度(semi-persistent scheduling,SPS)物理下行共享信道(physical downlink shared channel，PDSCH)时，所述下行信道配置信息为SPS PDSCH配置信息。其中，SPS PDSCH是半持续传输的PDSCH，由高层配置周期的PDSCH传输资源，并使用下行控制信息(Downlink Control Information，DCI)激活和去激活。
其中，S201和S202的执行顺序，不只局限于先执行S201后执行S202的方式，也可以是先执行S202后执行S201的方式，或者同时执行。
S203，响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，网络设备确定是否在所述第一时段内发送所述下行信道，以及，用户设备确定是否在所述第一时段内发送所述下行信道。
需要说明的是，网络设备在确定在所述第一时段内不发送所述下行信道时，维持原关闭时段不变。网络设备在确定在所述第一时段内发送所述下行信道时，在发送下行信道之前会开启相应的参考信号，即提前结束相应的参考信号的关闭时段。
在一些可能的实施方式中，网络设备确定是否在所述第一时段内发送所述下行信道时，根据所述下行信道和所述参考信号确定是否在所述第一时段内发送所述下行信道。相应的，用户设备确定是否在所述第一时段内接收所述下行信道时，根据所述下行信道和所述参考信号确定是否在所述第一时段内接收所述下行信道。
鉴于对于UE专用(specific)的PDCCH，网络设备可以为每个CORESET使用MAC CE指示该CORESET的TCI state，对于SPS PDSCH，网络设备可以在激活DCI中指示TCI state。其中，TCI state中包括最多2个参考信号，网络设备分别配置PDCCH信道、SPS PDSCH与这2个参考信号的QCL关系分别配置，可以配置成QCL类型(type)A、QCL类型(type)B、QCL类型(type)C、QCL类型(type)D等类型。如果配置为QCL type D,则表示PDCCH、SPS PDSCH的发送波束与该参考信号的相同。
在一示例中，
响应于所述下行信道为物理下行控制信道PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL type D，网络设备确定在所述第一时段内不发送所述PDCCH，用户设备确定在所述第一时段内不接收所述PDCCH。
在另一示例中，
响应于所述下行信道为半静态配置的物理下行共享信道SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，网络设备确定在所述第一时段内不发送所述SPS PDSCH，用户设备确定在所述第一时段内不接收所述SPS PDSCH。
在上述两个示例中，在所述第一时段内不传输所述下行信道，与网络设备动态的关闭所述参考信号的行为相匹配，从而使网络设备动态的开启或关闭参考信号的行为的优先级高于传输下行信道的优先级，使网络设备动态的开启或关闭参考信号的行为相应的影响相应的下行信道的传输。
在一示例中，响应于所述下行信道为物理下行控制信道PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL type D，网络设备确定在所述第一时段内发送所述PDCCH，用户设备确定在所述第一时段内接收所述PDCCH。
在另一示例中，响应于所述下行信道为半静态配置的物理下行共享信道SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，网络设备确定在所述第一时段内发送所述SPS PDSCH，用户设备确定在所述第一时段内接收所述SPS PDSCH。
此两个示例还可以描述为，响应于所述下行信道为PDCCH或者SPS PDSCH，并且，所述参考信号在所述下行信道的TCI状态中被配置QCL类型D，网络设备确定在所述第一时段内发送所述下行信道，用户设备确定在所述第一时段内接收所述下行信道。
在上述两个示例中，在所述第一时段内仍然传输所述下行信道，从而使传输下行信道的优先级高于网络设备动态的开启或关闭参考信号的行为的优先级，使网络设备动态的开启或关闭参考信号的行为相应的不影响相应的下行信道的传输。
在一些可能的实施方式中，网络设备确定是否在所述第一时段内发送所述下行信道时，根据所述下行信道确定是否在所述第一时段内发送所述下行信道。相应的，用户设备确定是否在所述第一时段内接收所述下行信道时，根据所述下行信道确定是否在所述第一时段内接收所述下行信道。
下面通过三种情况进行示例性说明。
第一种：
响应于所述下行信道为PDCCH，在所述第一时段内接收所述PDCCH；或者，响应于所述下行信道为SPS PDSCH，在所述第一时段内接收所述SPS PDSCH。
第二种：
对于一些特殊的CORESET(例如recovery search space对应的CORESET)停止发送相应的PDCCH可能导致用户设备的通信中断。因此该类CORESET不应该受网络设备动态开关参考信号的影响。
响应于所述下行信道为设定搜索空间对应的PDCCH，或在用于设定搜索空间中传输的DCI所调度的PDSCH，网络设备确定在所述第一时段内发送所述下行信道，并且，用户设备确定在所述第一时段内接收所述下行信道。
例如：设定搜索空间为用于波束或链路恢复的搜索空间，从而，响应于所述下行信道为用于波束或链路恢复的搜索空间对应的PDCCH，或在用于波束或链路恢复的搜索空间中传输的DCI所调度的PDSCH，网络设备确定在所述第一时段内发送所述下行信道，并且，用户设备确定在所述第一时段内接收所述下行信道。
可以想到的是在另一种实现方式中，可以在协议中约定，设定搜索空间对应的CORESET中的TCI state中配置为QCL type D的参考信号，不可被关闭。例如：设定搜索空间为用于波束或链路恢复的搜索空间，从而用于波束或链路恢复的搜索空间对应的CORESET中的TCI state中配置为QCL type D的参考信号，不可被关闭。
第三种：
对于被配置为设定优先级的SPS PDSCH，不应该受网络设备动态开关参考信号的影响。从而，响应于所述下行信道的优先级为设定优先级，网络设备确定在所述第一时段内发送所述下行信道，并且，用户设备确定在所述第一时段内接收所述下行信道。例如：响应于所述下行信道的优先级为最高优先级，网络设备确定在所述第一时段内发送所述下行信道，并且，用户设备确定在所述第一时段内接收所述下行信道。
可以想到的是在另一种实现方式中，可以在协议中约定，被配置为设定优先级的SPS  PDSCH所对应的TCI state中配置为QCL type D的参考信号，不可被关闭。例如：被配置为最高优先级的SPS PDSCH所对应的TCI state中配置为QCL type D的参考信号，不可被关闭。
在上述三种情况中，在所述第一时段内仍然传输所述下行信道，不受网络设备动态的关闭所述参考信号的行为的影响，从而网络设备动态的开启或关闭参考信号的行为不影响相应的下行信道的传输。
在一些可能的实施方式中，在网络设备确定在所述第一时段内发送所述下行信道，以及用户设备在所述第一时段内接收所述下行信道时，调整关闭时段，以使下行信道的传输顺利执行，结合图3(图3中，虚线区域对应于第二时段，斜线填充区域对应于第一时段)，调整关闭时段的方式可以为以下中的一种：
方式一，确定所述关闭时段在第一时刻终止或者在第一时刻之前终止，所述第一时刻为所述第一时段的起始时刻。即提前终止关闭时段。
适用于如图3中第一个图所示的情况，即关闭时段的起始位置早于第一时段的起始位置的情况。
适用于如图3中第二个图所示的情况，即关闭时段的起始位置与第一时段的起始位置重叠的情况。在此情况下，关闭时段未被开启(即未生效)。
方式二，更新所述关闭时段的起始时刻为第二时刻，所述第二时刻为所述第一时段的结束时刻。即延迟启用关闭时段。适用于如图3中第二个图所示的情况，即关闭时段的起始位置与第一时段的起始位置重叠的情况。
本公开实施方式中，在网络设备可动态开关参考信号，并且，参考信号的关闭时段覆盖第一时段时，确定是否在所述第一时段内接收所述下行信道，以实现根据使用需要在设定情况下，不接收所述下行信道使与网络设备动态的关闭所述参考信号的行为相匹配，或者，接收所述下行信道并相应的改变所述参考信号的动态控制，从而在网络设备可动态开关参考信号的前提下，对于下行信道的控制更为合理，提高无线传输的性能。
本公开实施例提供了一种接收下行信道的方法，由用户设备执行，图4是根据一示例性实施例示出的一种传输下行信道的流程图，如图4所示，该方法包括步骤S401-S402：
S401，接收网络设备发送的指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段。
在一些可能的实施方式中，接收网络设备发送的配置信息(可通过无线链路控制RRC信令接收)，所述配置信息用于配置至少一个空间单元组，所述空间单元组为候选的可被 关闭的空间单元组，每个空间单元组包括一个或多个参考信号(Reference Signal)。空间单元组包括多个空间单元，空间单元为以下中的至少一种：天线单元、端口、TRX链、波束、面板(Panel)。
用户设备在收到所述指示信息后，便可获知哪些参考信号被关闭以及相应的关闭时段。
S402，响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内接收所述下行信道。
其中，第二时段是用户设备已经通过接收到的下行信道配置信息获知的信息，所述下行信道配置信息用于配置第二时段，所述第二时段是所述网络设备发送下行信道的时段。
在一些可能的实施方式中，下行信道是物理下行控制信道(physical downlink control channel，PDCCH)时，所述下行信道配置信息为搜索空间及CORESET配置信息。
在一些可能的实施方式中，下行信道是半持续调度(semi-persistent scheduling,SPS)物理下行共享信道(physical downlink shared channel，PDSCH)时，所述下行信道配置信息为SPS PDSCH配置信息。
在一些可能的实施方式中，用户设备确定是否在所述第一时段内接收所述下行信道时，根据所述下行信道和所述参考信号确定是否在所述第一时段内接收所述下行信道。
鉴于对于UE专用(specific)的PDCCH，网络设备可以为每个CORESET使用MAC CE指示该CORESET的TCI state，对于SPS PDSCH，网络设备可以在激活DCI中指示TCI state。其中，TCI state中包括最多2个参考信号，网络设备分别配置PDCCH信道、SPS PDSCH与这2个参考信号的QCL关系分别配置，可以配置成QCL类型(type)A、QCL类型(type)B、QCL类型(type)C、QCL类型(type)D等类型。如果配置为QCL type D,则表示PDCCH、SPS PDSCH的发送波束与该参考信号的相同。
在一示例中，
响应于所述下行信道为物理下行控制信道PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL type D，用户设备确定在所述第一时段内不接收所述PDCCH。
在另一示例中，
响应于所述下行信道为半静态配置的物理下行共享信道SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，用户设备确定在所述第一时段内不接收所述SPS PDSCH。
在上述两个示例中，在所述第一时段内不接收所述下行信道，与网络设备动态的关闭所述参考信号的行为相匹配，从而网络设备动态的开启或关闭参考信号的行为可以相应的影响相应的下行信道的接收。
在一示例中，响应于所述下行信道为物理下行控制信道PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL type D，用户设备确定在所述第一时段内接收所述PDCCH。
在另一示例中，响应于所述下行信道为半静态配置的物理下行共享信道SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，用户设备确定在所述第一时段内接收所述SPS PDSCH。
此两个示例还可以描述为，响应于所述下行信道为PDCCH或者SPS PDSCH，并且，所述参考信号在所述下行信道的TCI状态中被配置QCL类型D，用户设备确定在所述第一时段内接收所述下行信道。
在上述两个示例中，在所述第一时段内仍然传输所述下行信道，从而使传输下行信道的优先级高于网络设备动态的开启或关闭参考信号的行为的优先级，使网络设备动态的开启或关闭参考信号的行为相应的不影响相应的下行信道的接收。
在一些可能的实施方式中，用户设备确定是否在所述第一时段内接收所述下行信道时，根据所述下行信道确定是否在所述第一时段内接收所述下行信道。
下面通过三种情况进行示例性说明。
第一种：
响应于所述下行信道为PDCCH，在所述第一时段内接收所述PDCCH；或者，响应于所述下行信道为SPS PDSCH，在所述第一时段内接收所述SPS PDSCH。
第二种：
对于一些特殊的CORESET(例如recovery search space对应的CORESET)停止发送相应的PDCCH可能导致用户设备的通信中断。因此该类CORESET不应该受网络设备动态开关参考信号的影响。
响应于所述下行信道为设定搜索空间对应的PDCCH，或在用于设定搜索空间中传输的DCI所调度的PDSCH，并且，用户设备确定在所述第一时段内接收所述下行信道。
例如：设定搜索空间为用于波束或链路恢复的搜索空间，从而，响应于所述下行信道为用于波束或链路恢复的搜索空间对应的PDCCH，或在用于波束或链路恢复的搜索空间中传输的DCI所调度的PDSCH，用户设备确定在所述第一时段内接收所述下行信道。
第三种：
对于被配置为设定优先级的SPS PDSCH，不应该受网络设备动态开关参考信号的影响。从而，响应于所述下行信道的优先级为设定优先级，用户设备确定在所述第一时段内接收所述下行信道。例如：响应于所述下行信道的优先级为最高优先级，用户设备确定在所述第一时段内接收所述下行信道。
在上述三个示例中，在所述第一时段内仍然接收所述下行信道，不受网络设备动态的关闭所述参考信号的行为的影响，从而网络设备动态的开启或关闭参考信号的行为不影响相应的下行信道的接收。
在一些可能的实施方式中，在用户设备在所述第一时段内接收所述下行信道时，调整关闭时段，以使下行信道的传输顺利执行，结合图3(图3中，虚线区域对应于第二时段，斜线填充区域对应于第一时段)，调整关闭时段的方式可以为以下中的一种：
方式一，确定所述关闭时段在第一时刻终止或者在第一时刻之前终止，所述第一时刻为所述第一时段的起始时刻。即提前终止关闭时段。
适用于如图3中第一个图所示的情况，即关闭时段的起始位置早于第一时段的起始位置的情况。
适用于如图3中第二个图所示的情况，即关闭时段的起始位置与第一时段的起始位置重叠的情况。在此情况下，关闭时段未被开启(即未生效)。
方式二，更新所述关闭时段的起始时刻为第二时刻，所述第二时刻为所述第一时段的结束时刻。即延迟启用关闭时段。
适用于如图3中第二个图所示的情况，即关闭时段的起始位置与第一时段的起始位置重叠的情况。
本公开实施例提供了一种发送下行信道的方法，由网络设备执行，图5是根据一示例性实施例示出的一种发送下行信道的流程图，如图5所示，该方法包括步骤S501-S502：
S501，向用户设备发送指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段。
在一些可能的实施方式中，网络设备向用户设备发送配置信息(可通过无线链路控制RRC信令发送)，所述配置信息用于配置至少一个空间单元组，所述空间单元组为候选的可被关闭的空间单元组，每个空间单元组包括一个或多个参考信号(Reference Signal)。空间单元组包括多个空间单元，空间单元为以下中的至少一种：天线单元、端口、TRX链、 波束、面板(Panel)。
用户设备在收到所述指示信息后，便可获知哪些参考信号被关闭以及相应的关闭时段。
S502，响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内发送所述下行信道。
其中，所述第二时段是所述网络设备发送下行信道的时段。网络设备可以向用户设备发送下行信道配置信息，所述下行信道配置信息用于配置第二时段，使用户设备获知第二时段。
在一些可能的实施方式中，下行信道是物理下行控制信道(physical downlink control channel，PDCCH)时，所述下行信道配置信息为搜索空间及CORESET配置信息。
在一些可能的实施方式中，下行信道是半持续调度(semi-persistent scheduling,SPS)物理下行共享信道(physical downlink shared channel，PDSCH)时，所述下行信道配置信息为SPS PDSCH配置信息。
在一些可能的实施方式中，网络设备确定是否在所述第一时段内发送所述下行信道时，根据所述下行信道和所述参考信号确定是否在所述第一时段内发送所述下行信道。
鉴于对于UE专用(specific)的PDCCH，网络设备可以为每个CORESET使用MAC CE指示该CORESET的TCI state，对于SPS PDSCH，网络设备可以在激活DCI中指示TCI state。其中，TCI state中包括最多2个参考信号，网络设备分别配置PDCCH信道、SPS PDSCH与这2个参考信号的QCL关系分别配置，可以配置成QCL类型(type)A、QCL类型(type)B、QCL类型(type)C、QCL类型(type)D等类型。如果配置为QCL type D,则表示PDCCH、SPS PDSCH的发送波束与该参考信号的相同。
在一示例中，
响应于所述下行信道为物理下行控制信道PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL type D，网络设备确定在所述第一时段内不发送所述PDCCH。
在另一示例中，
响应于所述下行信道为半静态配置的物理下行共享信道SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，网络设备确定在所述第一时段内不发送所述SPS PDSCH。
在上述两个示例中，在所述第一时段内不发送所述下行信道，与网络设备动态的关闭 所述参考信号的行为相匹配，从而网络设备动态的开启或关闭参考信号的行为可以相应的影响相应的下行信道的发送。
在一示例中，响应于所述下行信道为物理下行控制信道PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL type D，网络设备确定在所述第一时段内发送所述PDCCH。
在另一示例中，响应于所述下行信道为半静态配置的物理下行共享信道SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，网络设备确定在所述第一时段内发送所述SPS PDSCH。
此两个示例还可以描述为，响应于所述下行信道为PDCCH或者SPS PDSCH，并且，所述参考信号在所述下行信道的TCI状态中被配置QCL类型D，网络设备确定在所述第一时段内发送所述下行信道。
在上述两个示例中，在所述第一时段内仍然传输所述下行信道，从而使传输下行信道的优先级高于网络设备动态的开启或关闭参考信号的行为的优先级，使网络设备动态的开启或关闭参考信号的行为相应的不影响相应的下行信道的发送。
在一些可能的实施方式中，网络设备确定是否在所述第一时段内发送所述下行信道时，根据所述下行信道确定是否在所述第一时段内发送所述下行信道。
下面通过三种情况进行示例性说明。
第一种：
响应于所述下行信道为PDCCH，在所述第一时段内发送所述PDCCH；或者，响应于所述下行信道为SPS PDSCH，确定在所述第一时段内发送所述SPS PDSCH。
第二种：
对于一些特殊的CORESET(例如recovery search space对应的CORESET)停止发送相应的PDCCH可能导致用户设备的通信中断。因此该类CORESET不应该受网络设备动态开关参考信号的影响。
响应于所述下行信道为设定搜索空间对应的PDCCH，或在用于设定搜索空间中传输的DCI所调度的PDSCH，并且，网络设备确定在所述第一时段内发送所述下行信道。
例如：设定搜索空间为用于波束或链路恢复的搜索空间，从而，响应于所述下行信道为用于波束或链路恢复的搜索空间对应的PDCCH，或在用于波束或链路恢复的搜索空间中传输的DCI所调度的PDSCH，网络设备确定在所述第一时段内发送所述下行信道。
第三种：
对于被配置为设定优先级的SPS PDSCH，不应该受网络设备动态开关参考信号的影响。从而，响应于所述下行信道的优先级为设定优先级，网络设备确定在所述第一时段内发送所述下行信道。例如：响应于所述下行信道的优先级为最高优先级，网络设备确定在所述第一时段内发送所述下行信道。
在上述三个示例中，在所述第一时段内仍然发送所述下行信道，不受网络设备动态的关闭所述参考信号的行为的影响，从而网络设备动态的开启或关闭参考信号的行为不影响相应的下行信道的发送。
在一些可能的实施方式中，在网络设备确定在所述第一时段内发送所述下行信道时，调整关闭时段，以使下行信道的传输顺利执行，结合图3(图3中，虚线区域对应于第二时段，斜线填充区域对应于第一时段)，调整关闭时段的方式可以为以下中的一种：
方式一，确定所述关闭时段在第一时刻终止或者在第一时刻之前终止，所述第一时刻为所述第一时段的起始时刻。即提前终止关闭时段。
适用于如图3中第一个图所示的情况，即关闭时段的起始位置早于第一时段的起始位置的情况。
适用于如图3中第二个图所示的情况，即关闭时段的起始位置与第一时段的起始位置重叠的情况。在此情况下，关闭时段未被开启(即未生效)。
方式二，更新所述关闭时段的起始时刻为第二时刻，所述第二时刻为所述第一时段的结束时刻。即延迟启用关闭时段。
适用于如图3中第二个图所示的情况，即关闭时段的起始位置与第一时段的起始位置重叠的情况。
基于与以上方法实施例相同的构思，本公开实施例还提供一种通信装置，该通信装置可具备上述方法实施例中的用户设备102的功能，并用于执行上述实施例提供的由用户设备102执行的步骤。该功能可以通过硬件实现，也可以通过软件或者硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
在一种可能的实现方式中，如图6所示的通信装置600可作为上述方法实施例所涉及的用户设备102，并执行上述一种方法实施例中由用户设备102执行的步骤。
所述通信装置600包括收发模块601和处理模块602。
收发模块601，被配置为接收网络设备发送的指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段；
处理模块602响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内接收所述下行信道。
在一些可能的实施方式中，处理模块602还被配置为：响应于所述下行信道为物理下行控制信道PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL类型D，确定在所述第一时段内不接收所述PDCCH。
在一些可能的实施方式中，处理模块602还被配置为：响应于所述下行信道为半静态配置的物理下行共享信道SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，确定在所述第一时段内不接收所述SPS PDSCH。
在一些可能的实施方式中，处理模块602还被配置为：响应于所述下行信道为PDCCH，确定在所述第一时段内接收所述PDCCH；或者，响应于所述下行信道为SPS PDSCH，确定在所述第一时段内接收所述SPS PDSCH。
在一些可能的实施方式中，处理模块602还被配置为：响应于所述下行信道为PDCCH或者SPS PDSCH，并且，所述参考信号在所述下行信道的TCI状态中被配置QCL类型D，确定在所述第一时段内接收所述下行信道。
在一些可能的实施方式中，处理模块602还被配置为：响应于所述下行信道为设定搜索空间对应的PDCCH，或在设定搜索空间中传输的DCI所调度的PDSCH，确定在所述第一时段内接收所述下行信道。
在一些可能的实施方式中，所述设定搜索空间为用于波束或链路恢复的搜索空间。
在一些可能的实施方式中，处理模块602还被配置为：响应于所述下行信道的优先级为设定优先级，确定在所述第一时段内接收所述下行信道。
在一些可能的实施方式中，处理模块602还被配置为：确定所述关闭时段在第一时刻终止或者在第一时刻之前终止；所述第一时刻为所述第一时段的起始时刻。
当该通信装置为用户设备102时，其结构还可如图7所示。
图7是根据一示例性实施例示出的一种接收下行信道的装置700的框图。例如，装置700可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图7，装置700可以包括以下一个或多个组件：处理组件702，存储器704，电力组件706，多媒体组件708，音频组件710，输入/输出(I/O)的接口712，传感器组件714， 以及通信组件716。
处理组件702通常控制装置700的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件702可以包括一个或多个处理器720来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件702可以包括一个或多个模块，便于处理组件702和其他组件之间的交互。例如，处理组件702可以包括多媒体模块，以方便多媒体组件708和处理组件702之间的交互。
存储器704被配置为存储各种类型的数据以支持在设备700的操作。这些数据的示例包括用于在装置700上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器704可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电力组件706为装置700的各种组件提供电力。电力组件706可以包括电源管理系统，一个或多个电源，及其他与为装置700生成、管理和分配电力相关联的组件。
多媒体组件708包括在所述装置700和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。所述触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与所述触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件708包括一个前置摄像头和/或后置摄像头。当设备700处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件710被配置为输出和/或输入音频信号。例如，音频组件710包括一个麦克风(MIC)，当装置700处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器704或经由通信组件716发送。在一些实施例中，音频组件710还包括一个扬声器，用于输出音频信号。
I/O接口712为处理组件702和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件714包括一个或多个传感器，用于为装置700提供各个方面的状态评估。例如，传感器组件714可以检测到设备700的打开/关闭状态，组件的相对定位，例如所述组件为装置700的显示器和小键盘，传感器组件714还可以检测装置700或装置700一个组件的位置改变，用户与装置700接触的存在或不存在，装置700方位或加速/减速和装置700的温度变化。传感器组件714可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件714还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件714还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件716被配置为便于装置700和其他设备之间有线或无线方式的通信。装置700可以接入基于通信标准的无线网络，如WiFi，4G或5G，或它们的组合。在一个示例性实施例中，通信组件716经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，所述通信组件716还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置700可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器704，上述指令可由装置700的处理器720执行以完成上述方法。例如，所述非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
基于与以上方法实施例相同的构思，本公开实施例还提供一种通信装置，该通信装置可具备上述方法实施例中的网络设备101的功能，并用于执行上述实施例提供的由网络设备101执行的步骤。该功能可以通过硬件实现，也可以通过软件或者硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
在一种可能的实现方式中，如图8所示的通信装置800可作为上述方法实施例所涉及的网络设备101，并执行上述方法实施例中由网络设备101执行的步骤。
如图8所示的通信装置800包括收发模块801和处理模块802。
收发模块801被配置为向用户设备发送指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段；
处理模块802被配置为响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内发送所述下行信道。
在一种可能的实现方式中，处理模块802还被配置为响应于所述下行信道为PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL类型D，确定在所述第一时段内不发送所述PDCCH。
在一种可能的实现方式中，处理模块802还被配置为响应于所述下行信道为SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，确定在所述第一时段内不发送所述SPS PDSCH。
在一种可能的实现方式中，处理模块802还被配置为响应于所述下行信道为PDCCH，确定在所述第一时段内发送所述PDCCH；或者，响应于所述下行信道为SPS PDSCH，确定在所述第一时段内发送所述SPS PDSCH。
在一种可能的实现方式中，处理模块802还被配置为响应于所述下行信道为PDCCH或者SPS PDSCH，并且所述参考信号在所述下行信道的TCI状态中被配置QCL类型D，确定在所述第一时段内发送所述下行信道。
在一种可能的实现方式中，处理模块802还被配置为响应于所述下行信道为设定搜索空间对应的PDCCH，或在设定搜索空间中传输的DCI所调度的PDSCH，确定在所述第一时段内发送所述下行信道。
在一种可能的实现方式中，所述设定搜索空间为用于波束或链路恢复的搜索空间。
在一种可能的实现方式中，处理模块802还被配置为响应于所述下行信道的优先级为设定优先级，确定在所述第一时段内发送所述下行信道。
在一种可能的实现方式中，处理模块802还被配置为确定所述关闭时段在第一时刻终止或者在第一时刻之前终止；所述第一时刻为所述第一时段的起始时刻。
当该通信装置为网络设备101时，其结构还可如图9所示。如图9所示，装置900包括存储器901、处理器902、收发组件903、电源组件906。其中，存储器901与处理器902 耦合，可用于保存通信装置900实现各功能所必要的程序和数据。该处理器902被配置为支持通信装置900执行上述方法中相应的功能，此功能可通过调用存储器901存储的程序实现。收发组件903可以是无线收发器，可用于支持通信装置900通过无线空口进行接收信令和/或数据，以及发送信令和/或数据。收发组件903也可被称为收发单元或通信单元，收发组件903可包括射频组件904以及一个或多个天线905，其中，射频组件904可以是远端射频单元(remote radio unit，RRU)，具体可用于射频信号的传输以及射频信号与基带信号的转换，该一个或多个天线905具体可用于进行射频信号的辐射和接收。
当通信装置900需要发送数据时，处理器902可对待发送的数据进行基带处理后，输出基带信号至射频单元，射频单元将基带信号进行射频处理后将射频信号通过天线以电磁波的形式进行发送。当有数据发送到通信装置900时，射频单元通过天线接收到射频信号，将射频信号转换为基带信号，并将基带信号输出至处理器902，处理器902将基带信号转换为数据并对该数据进行处理。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公开实施例的其它实施方案。本申请旨在涵盖本公开实施例的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开实施例的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开实施例的真正范围和精神由下面的权利要求指出。
应当理解的是，本公开实施例并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本公开实施例的范围仅由所附的权利要求来限制。
工业实用性
在网络设备可动态开关参考信号，并且，参考信号的关闭时段覆盖第一时段时，确定是否在所述第一时段内接收所述下行信道，以实现根据使用需要在设定情况下，不接收所述下行信道使与网络设备动态的关闭所述参考信号的行为相匹配，或者，接收所述下行信道并相应的改变所述参考信号的动态控制，从而在网络设备可动态开关参考信号的前提下，对于下行信道的控制更为合理，提高无线传输的性能。

Claims (26)

  1. 一种接收下行信道的方法，由用户设备执行，包括：
    接收网络设备发送的指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段；
    响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内接收所述下行信道。
  2. 如权利要求1所述的方法，其中，所述确定是否在所述第一时段内接收所述下行信道，包括：
    响应于所述下行信道为物理下行控制信道PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL类型D，确定在所述第一时段内不接收所述PDCCH。
  3. 如权利要求1所述的方法，其中，所述确定是否在所述第一时段内接收所述下行信道，包括：
    响应于所述下行信道为半静态配置的物理下行共享信道SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，确定在所述第一时段内不接收所述SPS PDSCH。
  4. 如权利要求1所述的方法，其中，所述确定是否在所述第一时段内接收所述下行信道，包括：
    响应于所述下行信道为PDCCH，确定在所述第一时段内接收所述下行信道；
    或者，响应于所述下行信道为SPS PDSCH，确定在所述第一时段内接收所述下行信道。
  5. 如权利要求4所述的方法，其中，所述确定是否在所述第一时段内接收所述下行信道，包括：
    响应于所述下行信道为PDCCH或者SPS PDSCH，并且，所述参考信号在所述下行信道的TCI状态中被配置QCL类型D，确定在所述第一时段内接收所述下行信道。
  6. 如权利要求1所述的方法，其中，所述确定是否在所述第一时段内接收所述下行信道，包括：
    响应于所述下行信道为设定搜索空间对应的PDCCH，或在设定搜索空间中传输的DCI 所调度的PDSCH，确定在所述第一时段内接收所述下行信道。
  7. 如权利要求6所述的方法，其中，所述设定搜索空间为用于波束或链路恢复的搜索空间。
  8. 如权利要求1所述的方法，其中，所述确定是否在所述第一时段内接收所述下行信道，包括：
    响应于所述下行信道的优先级为设定优先级，确定在所述第一时段内接收所述下行信道。
  9. 如权利要求4至8中任一权利要求所述的方法，其中，所述确定在所述第一时段内接收所述下行信道，包括：
    确定所述关闭时段在第一时刻终止或者在第一时刻之前终止；所述第一时刻为所述第一时段的起始时刻。
  10. 如权利要求4至8中任一权利要求所述的方法，其中，所述确定在所述第一时段内接收所述下行信道，包括：
    更新所述关闭时段的起始时刻为第二时刻，所述第二时刻为所述第一时段的结束时刻。
  11. 一种发送下行信道的方法，由网络设备执行，包括：
    向用户设备发送指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段；
    响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内发送所述下行信道。
  12. 如权利要求11所述的方法，其中，所述确定是否在所述第一时段内发送所述下行信道，包括：
    响应于所述下行信道为PDCCH，并且，所述参考信号在所述PDCCH关联的CORESET的TCI状态中被配置为QCL类型D，确定在所述第一时段内不发送所述PDCCH。
  13. 如权利要求11所述的方法，其中，所述确定是否在所述第一时段内发送所述下行信道，包括：
    响应于所述下行信道为SPS PDSCH，并且，所述参考信号在SPS PDSCH的TCI状态中被配置为QCL类型D，确定在所述第一时段内不发送所述SPS PDSCH。
  14. 如权利要求11所述的方法，其中，所述确定是否在所述第一时段内发送所述下行信道，包括：
    响应于所述下行信道为PDCCH，确定在所述第一时段内发送所述下行信道；
    或者，响应于所述下行信道为SPS PDSCH，确定在所述第一时段内发送所述下行信道。
  15. 如权利要求13所述的方法，其中，所述方法还包括：
    响应于所述下行信道为PDCCH或者SPS PDSCH，并且所述参考信号在所述下行信道的TCI状态中被配置QCL类型D，确定所述第一时段内发送所述下行信道。
  16. 如权利要求11所述的方法，其中，所述确定是否在所述第一时段内发送所述下行信道，包括：
    响应于所述下行信道为设定搜索空间对应的PDCCH，或在设定搜索空间中传输的DCI所调度的PDSCH，确定在所述第一时段内发送所述下行信道。
  17. 如权利要求16所述的方法，其中，所述设定搜索空间为用于波束或链路恢复的搜索空间。
  18. 如权利要求11所述的方法，其中，所述确定是否在所述第一时段内发送所述下行信道，包括：
    响应于所述下行信道的优先级为设定优先级，确定在所述第一时段内发送所述下行信道。
  19. 如权利要求14至18中任一权利要求所述的方法，其中，所述确定在所述第一时段内发送所述下行信道，包括：
    确定所述关闭时段在第一时刻终止或者在第一时刻之前终止；所述第一时刻为所述第一时段的起始时刻。
  20. 如权利要求14至17中任一权利要求所述的方法，其中，所述确定在所述第一时段内发送所述下行信道，包括：
    更新所述关闭时段的起始时刻为第二时刻，所述第二时刻为所述第一时段的结束时刻。
  21. 一种接收下行信道的装置，被配置于用户设备，所述装置包括：
    收发模块，被配置为接收网络设备发送的指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段；
    处理模块，被配置为响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内接收所述下行信道。
  22. 一种发送下行信道的装置，被配置于网络设备，所述装置包括：
    收发模块，被配置为向用户设备发送指示信息，所述指示信息用于指示参考信号被关闭以及所述参考信号对应的关闭时段；
    处理模块，被配置为响应于所述关闭时段包括第一时段，所述第一时段为第二时段的全部或部分时段，所述第二时段是所述网络设备发送下行信道的时段，确定是否在所述第一时段内发送所述下行信道。
  23. 一种电子设备，包括处理器以及存储器，其中，
    所述存储器用于存储计算机程序；
    所述处理器用于执行所述计算机程序，以实现如权利要求1-10中任一项所述的方法。
  24. 一种通信设备，包括处理器以及存储器，其中，
    所述存储器用于存储计算机程序；
    所述处理器用于执行所述计算机程序，以实现如权利要求11-20中任一项所述的方法。
  25. 一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当所述指令在计算机上被调用执行时，使得所述计算机执行如权利要求1-10中任一项所述的方法。
  26. 一种计算机可读存储介质，所述计算机可读存储介质中存储有指令，当所述指令在计算机上被调用执行时，使得所述计算机执行如权利要求11-20中任一项所述的方法。
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