CN115336331A - Method, device, equipment and medium for sending and receiving downlink control channel - Google Patents

Method, device, equipment and medium for sending and receiving downlink control channel Download PDF

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Publication number
CN115336331A
CN115336331A CN202180000728.2A CN202180000728A CN115336331A CN 115336331 A CN115336331 A CN 115336331A CN 202180000728 A CN202180000728 A CN 202180000728A CN 115336331 A CN115336331 A CN 115336331A
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pdcch
monitoring
slot
dci format
time slot
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付婷
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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

Abstract

The present disclosure provides a method, an apparatus, a device and a medium for sending and receiving a downlink control channel, which are applied to the technical field of wireless communication, and the method for sending the downlink control channel includes: sending energy-saving monitoring indication information, wherein the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited. The method and the device enable the user equipment to monitor the at least one DCI format in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span without monitoring the DCI format, so that all PDCCH time slots in the multi-slot PDCCH monitoring span do not need to be monitored, and the processing capacity of the user equipment can be saved.

Description

Method, device, equipment and medium for sending and receiving downlink control channel Technical Field
The present disclosure relates to the field of wireless communications technologies, and in particular, to a method, an apparatus, a device, and a medium for transmitting and receiving a downlink control channel.
Background
In the NR (New Radio, new air interface) protocol, downlink data is carried on a Physical Downlink Shared CHannel (PDSCH), and Uplink data is carried on a Physical Uplink Shared CHannel (PUSCH). The base station schedules the PDSCH and the PUSCH through Downlink Control Information (DCI) carried on a PDCCH channel.
The PDCCH channel includes a Common Search Space (CSS) and a UE specific Search Space (USS). The CSS is used to carry cell common control information, multicast control information, and the like, and may also be used to carry UE-specific control information. The USS is used to carry UE-specific control information.
In the R15 protocol, a PDCCH monitoring (monitoring) capability is defined by taking a single slot (slot) as a time unit. The method specifically comprises the following steps: the listening capability of the UE in each slot is specified according to the difference of SubCarrier spacing (SCS). The monitoring capability of the UE in a slot includes the maximum number of times of monitoring in the slot and the number of the maximum non-overlapping Control Channel Elements (CCEs) in the slot. This definition is applicable to frequencies below 52.6GHZ, the selectable subcarrier bandwidth is 15KHz, 30KHz, 60KHz or 120KHz, and when the subcarrier bandwidth is different, the duration of one timeslot is different, and the corresponding specific values are different, for example: the duration of the time slot corresponding to the 15KHz subcarrier bandwidth is 1 millisecond (ms), the duration of the time slot corresponding to the 30KHz subcarrier bandwidth is 0.5ms, the duration of the time slot corresponding to the 60KHz subcarrier bandwidth is 0.25ms, and so on. The time slot duration is shorter as the subcarrier bandwidth is larger.
Disclosure of Invention
In view of this, the present disclosure provides a method, an apparatus, a device, and a medium for transmitting and receiving a downlink control channel.
According to a first aspect, a method for sending a downlink control channel is provided, and is applied to a network side device, and includes:
sending energy-saving monitoring indication information, wherein the energy-saving monitoring indication information is used for indicating: and for at least one DCI format needing monitoring, after the at least one DCI format is monitored in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, prohibiting monitoring on the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
In an embodiment, the sending energy saving monitoring indication information includes:
and sending a high-level signaling, wherein the high-level signaling contains the energy-saving monitoring indication information.
In one embodiment, the method comprises:
and transmitting at least one DCI format in one multi-slot PDCCH monitoring span, and transmitting each DCI format at most once in one PDCCH slot in the one multi-slot PDCCH monitoring span.
According to a second aspect, there is provided a method for receiving a downlink control channel, which is applied to a user equipment, and includes:
for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
In one embodiment, the method further comprises: receiving energy-saving monitoring indication information; the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
In an embodiment, the receiving the energy-saving listening indication information includes:
and receiving a high-level signaling, wherein the high-level signaling contains the energy-saving monitoring indication information.
In one embodiment, the method comprises:
and in response to not receiving the energy-saving monitoring indication information, for at least one DCI format needing monitoring, monitoring the at least one DCI format on search spaces of all PDCCH time slots in a multi-slot PDCCH monitoring span.
In an embodiment, the not receiving the energy saving monitoring indication information includes:
and receiving a high-level signaling, wherein the high-level signaling does not contain the energy-saving monitoring indication information.
In an embodiment, the not receiving the energy saving monitoring indication information includes:
and receiving a high-level signaling, wherein the high-level signaling comprises an instruction for forbidding execution of the energy-saving monitoring instruction information.
According to a third aspect, there is provided an apparatus for sending a downlink control channel, which is applied to a network side device, and includes:
a first sending module, configured to send energy saving monitoring indication information, where the energy saving monitoring indication information is used to indicate: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
According to a fourth aspect, there is provided an apparatus for receiving a downlink control channel, which is applied to a user equipment, and includes:
the first detection module is configured to, for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibit monitoring the at least one DCI format in a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
According to a fifth aspect, there is provided a network side device, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute executable instructions in the memory to implement the steps of the method of transmitting a downlink control channel.
According to a sixth aspect, there is provided a user equipment comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute executable instructions in the memory to implement the steps of the method of transmitting a downlink control channel.
According to a seventh aspect, there is provided a non-transitory computer readable storage medium having stored thereon executable instructions which, when executed by a processor, implement the steps of the method of transmitting a downlink control channel or the steps of the method of transmitting a downlink control channel.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the network side equipment sends energy-saving monitoring indication information to the user equipment to indicate that monitoring is carried out on at least one DCI format on the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span after the at least one DCI format is monitored on the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span, so that the user equipment does not need to monitor the DCI format after monitoring the at least one DCI format on the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, all PDCCH time slots in the multi-slot PDCCH monitoring span do not need to be monitored, and the processing capacity of the user equipment can be saved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosed embodiments and are incorporated in and constitute a part of this application, illustrate embodiments of the disclosure and together with the description serve to explain the embodiments of the disclosure and not to limit the embodiments of the disclosure in a non-limiting sense. In the drawings:
the accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the embodiments of the disclosure and, together with the description, serve to explain the principles of the embodiments of the disclosure.
Fig. 1 is a flow chart illustrating a method of transmitting a downlink control channel in accordance with an example embodiment;
fig. 2 is a flow chart illustrating a method of receiving a downlink control channel in accordance with an example embodiment;
fig. 3 is a block diagram illustrating an apparatus for transmitting a downlink control channel according to an exemplary embodiment;
fig. 4 is a block diagram illustrating an apparatus for receiving a downlink control channel according to an exemplary embodiment;
fig. 5 is a block diagram illustrating an apparatus for transmitting a downlink control channel according to an exemplary embodiment;
fig. 6 is a block diagram illustrating an apparatus for receiving a downlink control channel according to an exemplary embodiment.
Detailed Description
Embodiments of the disclosure will now be described with reference to the accompanying drawings and detailed description.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with embodiments of the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
In the high frequency band (e.g. around 60GHz band), a larger sub-carrier bandwidth, e.g. 960KHz, is usually selected to cope with the phase noise. Since a larger sub-carrier bandwidth corresponds to a smaller duration (where the duration is the duration of a time slot). When the sub-carrier bandwidth is 960KHz, the duration of a corresponding slot is 1/64 millisecond (ms), and in this shorter duration, the ue may not be able to perform monitoring on a PDCCH channel on each slot, so a span PDCCH monitoring mode (span PDCCH monitoring pattern) or a multi-slot span PDCCH monitoring mode (multi-slot PDCCH monitoring pattern) may be introduced, where one multi-slot span includes more than one slot, the USS monitoring capability in the span of the ue is defined in units of span in the span PDCCH monitoring mode, and the USS monitoring capability in the span of the ue is defined in units of multi-slot span PDCCH in the multi-slot span PDCCH monitoring mode.
In a span PDCCH monitoring mode (span PDCCH monitoring pattern) or a so-called multi-slot span PDCCH monitoring pattern, not all slots in a multi-slot span are configured with PDCCHs, but one or several slots in a multi-slot span are configured with PDCCHs. A slot configured with a PDCCH is referred to herein as a PDCCH slot. The DCI that the terminal needs to monitor is carried only on one or a few PDCCH slots in the multi-slot span. Therefore, when multiple time slots in a multi-slot span are configured with PDCCHs, the ue is required to monitor all PDCCH time slots in the multi-slot span, which may cause a waste of processing capability of the ue. How to save processing capacity when monitoring aiming at multi-time slot span is a problem to be solved.
The embodiment of the disclosure provides a method for sending downlink control information, which is applied to network side equipment. The network-side device is, for example, a base station device. Referring to fig. 1, fig. 1 is a flowchart illustrating a method for transmitting downlink control information according to an exemplary embodiment, where as shown in fig. 1, the method for transmitting downlink control information includes:
step S11, sending energy-saving monitoring indication information, wherein the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
In an embodiment, a PDCCH slot is a slot configured with a PDCCH in a multi-slot PDCCH monitoring span. In an embodiment, the operation indicated by the energy saving monitoring indication information may be referred to as performing energy saving monitoring, or the mode indicated by the energy saving monitoring indication information is an energy saving monitoring mode.
In the embodiment of the present disclosure, after the network side device sends the energy-saving monitoring indication information to the user equipment to indicate that the at least one DCI format is monitored in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, the network side device prohibits monitoring the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span, so that the user equipment does not need to monitor the DCI format after monitoring the at least one DCI format in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, and thus, all PDCCH time slots in the multi-slot PDCCH monitoring span do not need to be monitored, and the processing capability of the user equipment can be saved.
The embodiment of the disclosure provides a method for sending downlink control information, which is applied to network side equipment. The network-side device is, for example, a base station device. The method for sending the downlink control information comprises the following steps:
sending energy-saving monitoring indication information, wherein the energy-saving monitoring indication information is used for indicating: for at least one DCI format needing monitoring, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring is not carried out on the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a method for sending downlink control information, which is applied to network side equipment. The network-side device is, for example, a base station device. The method for sending the downlink control information comprises the following steps:
sending energy-saving monitoring indication information, wherein the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, monitoring is not performed on the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
In this disclosure, the monitoring of the at least one DCI format is prohibited in a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span, which is equivalent to not performing the monitoring of the at least one DCI format in a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span, or equivalent to not performing the monitoring of the at least one DCI format in a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span. The embodiment of the disclosure provides a method for configuring downlink control information, and the method is applied to network side equipment. The network-side device is, for example, a base station device. The method for configuring the downlink control information comprises the following steps:
energy-saving monitoring indication information is agreed by a protocol; the energy-saving monitoring indication information is used for indicating: and for at least one DCI format needing monitoring, after the at least one DCI format is monitored in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, prohibiting monitoring on the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a method for configuring downlink control information, and the method is applied to network side equipment. The network-side device is, for example, a base station device. The method for configuring the downlink control information comprises the following steps:
the following operations are performed by a protocol provisioning user equipment: and for at least one DCI format needing monitoring, after the at least one DCI format is monitored in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, prohibiting monitoring on the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a method for sending downlink control information, which is applied to network side equipment. The network-side device is, for example, a base station device. The method for sending the downlink control information comprises the following steps:
sending a high-level signaling, wherein the high-level signaling contains the energy-saving monitoring indication information; the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
In the embodiment of the disclosure, the network side device sends a high-level signaling to the user equipment, and the energy-saving monitoring indication information is indicated by using the high-level signaling, so that the user equipment smoothly receives the energy-saving monitoring indication information.
The embodiment of the disclosure provides a method for sending downlink control information, which is applied to network side equipment. The method for sending the downlink control information comprises the following steps:
sending energy-saving monitoring indication information, wherein the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited. And transmitting at least one DCI format in one multi-slot PDCCH monitoring span, wherein each DCI format is transmitted at most once in one PDCCH slot in the one multi-slot PDCCH monitoring span.
In the embodiment of the present disclosure, the network side device sends the energy saving monitoring indication information, and sends each DCI format only in one PDCCH time slot in the one multi-slot PDCCH monitoring span at most once, so as to match with a corresponding monitoring operation of the user equipment: after the user equipment monitors the at least one DCI format in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, the user equipment does not monitor the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a method for receiving downlink control information, which is applied to user equipment. Referring to fig. 2, fig. 2 is a flowchart illustrating a method for receiving downlink control information according to an exemplary embodiment, where as shown in fig. 2, the method for receiving downlink control information includes:
step S21, for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibiting monitoring on the at least one DCI format in a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
In an embodiment, a PDCCH slot is a slot configured with a PDCCH in a multi-slot PDCCH monitoring span.
In an embodiment, the manner of performing step S21 may be referred to as performing energy saving monitoring, or the mode corresponding to step S11 is an energy saving monitoring mode.
In the embodiment of the present disclosure, after the user equipment monitors the at least one DCI format in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, it is not necessary to monitor the DCI format, so that it is not necessary to monitor all PDCCH time slots in the multi-slot PDCCH monitoring span, and processing capability can be saved. That is, when the ue performs the energy saving monitoring, it is not necessary to monitor all PDCCH slots in the multi-slot PDCCH monitoring span, so that the processing capability can be saved.
The embodiment of the disclosure provides a method for receiving downlink control information, which is applied to user equipment. The method comprises the following steps:
for at least one DCI format needing monitoring, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring is not carried out on the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a method for receiving downlink control information, which is applied to user equipment. The method comprises the following steps:
for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, monitoring is not performed on the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a method for receiving downlink control information, which is applied to user equipment. The method comprises the following steps:
step S20, receiving energy-saving monitoring indication information; the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
Step S21, for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibiting monitoring on the at least one DCI format in a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
In the embodiment of the present disclosure, after receiving explicit energy saving monitoring indication information from a network side device, a user equipment monitors the at least one DCI format in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, and then does not perform monitoring on the at least one DCI format in a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span, so that it is not necessary to monitor all PDCCH time slots in the multi-slot PDCCH monitoring span, and processing capability can be saved.
The embodiment of the disclosure provides a method for receiving downlink control information, which is applied to user equipment. The method comprises the following steps:
step S20, receiving a high-level signaling, wherein the high-level signaling comprises the energy-saving monitoring indication information; the energy-saving monitoring indication information is used for indicating: and for at least one DCI format needing monitoring, after the at least one DCI format is monitored in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, prohibiting monitoring on the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
Step S21, for at least one DCI format to be monitored, after monitoring the at least one DCI format on a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibiting monitoring the at least one DCI format on a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
In the embodiment of the present disclosure, the ue may receive explicit energy saving monitoring indication information from the network side device by receiving the high layer signaling.
The embodiment of the disclosure provides a method for receiving downlink control information, which is applied to user equipment. The method comprises the following steps:
and in response to the fact that the energy-saving monitoring indication information is not received, for at least one DCI format needing monitoring, monitoring the at least one DCI format on the search spaces of all PDCCH time slots in the multi-slot PDCCH monitoring span.
In an embodiment, the receiving no energy saving monitoring indication information includes: and receiving a high-level signaling, wherein the high-level signaling does not contain the energy-saving monitoring indication information.
In an embodiment, the receiving no energy-saving monitoring indication information includes: and receiving a high-level signaling, wherein the high-level signaling comprises an instruction for forbidding execution of the energy-saving monitoring instruction information.
In the embodiment of the present disclosure, the ue determines whether to perform energy saving monitoring or to perform monitoring on the at least one DCI format on the search spaces of all PDCCH slots in the multi-slot PDCCH monitoring span according to whether the energy saving monitoring indication information is received.
The embodiment of the disclosure provides a method for receiving downlink control information, which is applied to user equipment. The method comprises the following steps:
and receiving an indication for prohibiting the execution of the energy-saving monitoring indication information, and for at least one DCI format needing to be monitored, monitoring the at least one DCI format on the search spaces of all PDCCH time slots in the multi-slot PDCCH monitoring span.
In one embodiment, receiving an indication to prohibit execution of the energy saving listening indication information includes: and receiving a high-level signaling, wherein the high-level signaling comprises an instruction for forbidding execution of the energy-saving monitoring instruction information.
In this embodiment of the present disclosure, after receiving an explicit instruction to prohibit execution of the energy saving monitoring indication information, the ue monitors at least one DCI format that needs to be monitored in search spaces of all PDCCH slots in a multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a method for receiving downlink control information, which is applied to user equipment. The method comprises the following steps:
and receiving a high-level signaling, wherein the high-level signaling does not contain the energy-saving monitoring indication information. And for at least one DCI format needing monitoring, monitoring the at least one DCI format on the search spaces of all PDCCH time slots in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a method for receiving downlink control information, which is applied to user equipment. The method comprises the following steps:
and receiving a high-level signaling, wherein the high-level signaling comprises an instruction for forbidding execution of the energy-saving monitoring instruction information. And for at least one DCI format needing monitoring, monitoring the at least one DCI format on the search spaces of all PDCCH time slots in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a device for sending downlink control information, which is applied to network side equipment. Referring to fig. 3, fig. 3 is a block diagram illustrating an apparatus for transmitting downlink control information according to an exemplary embodiment, and as shown in fig. 3, the apparatus for transmitting downlink control information includes:
a first sending module 301, configured to send energy saving monitoring indication information, where the energy saving monitoring indication information indicates: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
The embodiment of the disclosure provides a device for sending downlink control information, which is applied to network side equipment. The device for sending the downlink control information comprises:
a second sending module configured to send a high-level signaling, where the high-level signaling includes the energy-saving monitoring indication information. The energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
The embodiment of the disclosure provides a device for sending downlink control information, which is applied to network side equipment. The device for sending the downlink control information comprises:
a first sending module 301, configured to send energy saving monitoring indication information, where the energy saving monitoring indication information indicates: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
A third transmitting module configured to transmit at least one DCI format in one multi-slot PDCCH listening span, wherein each DCI format is transmitted at most once in one PDCCH slot in the one multi-slot PDCCH listening span.
The embodiment of the disclosure provides a device for receiving downlink control information, which is applied to user equipment. Referring to fig. 4, fig. 4 is a block diagram illustrating an apparatus for receiving downlink control information according to an exemplary embodiment, and as shown in fig. 4, the apparatus for receiving downlink control information includes:
the first detecting module 401 is configured to, for at least one DCI format to be monitored, after monitoring the at least one DCI format on a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibit monitoring the at least one DCI format on a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a device for receiving downlink control information, which is applied to user equipment. The device for receiving the downlink control information comprises:
a first receiving module configured to receive energy saving monitoring indication information; the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
The first detecting module 401 is configured to, for at least one DCI format to be monitored, after monitoring the at least one DCI format on a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibit monitoring the at least one DCI format on a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a device for receiving downlink control information, which is applied to user equipment. The device for receiving the downlink control information comprises:
a first receiving module configured to receive energy saving monitoring indication information; the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
The first detecting module 401 is configured to, in response to receiving the energy saving monitoring indication information, for at least one DCI format to be monitored, after monitoring the at least one DCI format on a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibit monitoring the at least one DCI format on a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a device for receiving downlink control information, which is applied to user equipment. The device for receiving the downlink control information comprises:
a second receiving module configured to receive a high layer signaling, where the high layer signaling includes the energy saving monitoring indication information. The energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
The first detecting module 401 is configured to, for at least one DCI format that needs to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibit the at least one DCI format from being monitored in a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a device for receiving downlink control information, which is applied to user equipment. The device for receiving the downlink control information comprises:
a first receiving module configured to receive energy saving monitoring indication information; the energy-saving monitoring indication information is used for indicating: and for at least one DCI format needing monitoring, after monitoring the at least one DCI format in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, forbidding monitoring the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
The first detecting module 401 is configured to, in response to receiving the energy saving monitoring indication information, for at least one DCI format that needs to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibit the at least one DCI format from being monitored in a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
And the second detection module is configured to, in response to not receiving the energy-saving monitoring indication information, for at least one DCI format to be monitored, perform monitoring on the at least one DCI format over search spaces of all PDCCH slots in the multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a device for receiving downlink control information, which is applied to user equipment. The device for receiving the downlink control information comprises:
a first receiving module configured to receive energy saving monitoring indication information; the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
The first detecting module 401 is configured to, in response to receiving the energy saving monitoring indication information, for at least one DCI format to be monitored, after monitoring the at least one DCI format on a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibit monitoring the at least one DCI format on a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
And a third detection module configured to, in response to receiving a high-layer signaling that does not include the energy-saving monitoring indication information, perform, for at least one DCI format that needs to be monitored, monitoring the at least one DCI format over search spaces of all PDCCH slots in a multi-slot PDCCH monitoring span.
The embodiment of the disclosure provides a device for receiving downlink control information, which is applied to user equipment. The device for receiving the downlink control information comprises:
a first receiving module configured to receive energy saving monitoring indication information; the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
The first detecting module 401 is configured to, in response to receiving the energy saving monitoring indication information, for at least one DCI format to be monitored, after monitoring the at least one DCI format on a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibit monitoring the at least one DCI format on a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
And a fourth detection module configured to, in response to receiving a high layer signaling including an indication to prohibit execution of the energy saving monitoring indication information, perform, for at least one DCI format to be monitored, monitoring the at least one DCI format over search spaces of all PDCCH slots in a multi-slot PDCCH monitoring span.
The embodiment of the present disclosure provides a network side device, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute executable instructions in the memory to implement the steps of the method of transmitting a downlink control channel.
An embodiment of the present disclosure provides a user equipment, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to execute executable instructions in the memory to implement the steps of the method of transmitting a downlink control channel.
The disclosed embodiments provide a non-transitory computer-readable storage medium having stored thereon executable instructions that, when executed by a processor, implement the steps of the method of transmitting a downlink control channel.
The disclosed embodiments provide a non-transitory computer-readable storage medium having stored thereon executable instructions that, when executed by a processor, implement the steps of the method of transmitting a downlink control channel.
Fig. 5 is a block diagram illustrating an apparatus 500 for transmitting a downlink control channel in accordance with an example embodiment. For example, the apparatus 500 may be provided as a server. Referring to fig. 5, the apparatus 500 includes a processing component 522 that further includes one or more processors and memory resources, represented by memory 532, for storing instructions, such as applications, that are executable by the processing component 522. The application programs stored in memory 532 may include one or more modules that each correspond to a set of instructions. Further, the processing component 522 is configured to execute the instructions to perform the above-described method of transmitting a downlink control channel.
The apparatus 500 may also include a power component 526 configured to perform power management of the apparatus 500, a wired or wireless network interface 550 configured to connect the apparatus 500 to a network, and an input output (I/O) interface 559. The apparatus 500 may operate based on an operating system stored in the memory 532, such as Windows Server, mac OS XTM, unixTM, linuxTM, freeBSDTM, or the like.
Fig. 6 is a block diagram illustrating an apparatus 600 for receiving a downlink control channel according to an example embodiment. For example, the apparatus 600 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 6, apparatus 600 may include one or more of the following components: processing component 602, memory 604, power component 606, multimedia component 608, audio component 610, input/output (I/O) interface 612, sensor component 614, and communication component 616.
The processing component 602 generally controls overall operation of the device 600, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 602 may include one or more processors 620 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 602 can include one or more modules that facilitate interaction between the processing component 602 and other components. For example, the processing component 602 can include a multimedia module to facilitate interaction between the multimedia component 608 and the processing component 602.
The memory 604 is configured to store various types of data to support operation at the device 600. Examples of such data include instructions for any application or method operating on device 600, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 604 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
Power supply component 606 provides power to the various components of device 600. The power components 606 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the apparatus 600.
The multimedia component 608 includes a screen that provides an output interface between the device 600 and a user. In some embodiments, 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 an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, 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 operation. In some embodiments, the multimedia component 608 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the device 600 is in an operational mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 610 is configured to output and/or input audio signals. For example, audio component 610 includes a Microphone (MIC) configured to receive external audio signals when apparatus 600 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal may further be stored in the memory 604 or transmitted via the communication component 616. In some embodiments, audio component 610 further includes a speaker for outputting audio signals.
The I/O interface 612 provides an interface between the processing component 602 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor component 614 includes one or more sensors for providing various aspects of state assessment for the apparatus 600. For example, the sensor component 614 may detect an open/closed state of the device 600, the relative positioning of components, such as a display and keypad of the apparatus 600, the sensor component 614 may also detect a change in position of the apparatus 600 or a component of the apparatus 600, the presence or absence of user contact with the apparatus 600, orientation or acceleration/deceleration of the apparatus 600, and a change in temperature of the apparatus 600. The sensor assembly 614 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly 614 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 614 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 616 is configured to facilitate communications between the apparatus 600 and other devices in a wired or wireless manner. The apparatus 600 may access a wireless network based on a communication standard, such as WiFi,2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 616 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 616 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 600 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 Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as the memory 604 comprising instructions, executable by the processor 620 of the apparatus 600 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Other embodiments of the disclosed embodiments will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the embodiments of the disclosure following, in general, the principles of the embodiments of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosed embodiments being indicated by the following claims.
It is to be understood that the disclosed embodiments are not limited to the precise arrangements described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the embodiments of the present disclosure is limited only by the appended claims.
Industrial applicability
After the user equipment monitors the at least one DCI format in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, the user equipment does not need to monitor the DCI format, so that all PDCCH time slots in the multi-slot PDCCH monitoring span do not need to be monitored, and the processing capacity of the user equipment can be saved.

Claims (14)

  1. A method for sending a downlink control channel is applied to network side equipment and comprises the following steps:
    sending energy-saving monitoring indication information, wherein the energy-saving monitoring indication information is used for indicating: and for at least one DCI format needing monitoring, after the at least one DCI format is monitored in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, prohibiting monitoring on the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
  2. The method of transmitting a downlink control channel according to claim 1,
    the sending energy-saving monitoring indication information includes:
    and sending a high-level signaling, wherein the high-level signaling contains the energy-saving monitoring indication information.
  3. The method of transmitting a downlink control channel according to claim 2,
    the method comprises the following steps:
    transmitting at least one DCI format in one multi-slot PDCCH monitoring span, wherein each DCI format is transmitted at most once in one PDCCH slot in the one multi-slot PDCCH monitoring span.
  4. A method for receiving a downlink control channel is applied to user equipment and comprises the following steps:
    for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
  5. The method of receiving a downlink control channel according to claim 4,
    the method further comprises the following steps: receiving energy-saving monitoring indication information; the energy-saving monitoring indication information is used for indicating: for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, the monitoring of the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span is prohibited.
  6. The method of receiving a downlink control channel according to claim 5,
    the receiving energy-saving monitoring indication information includes:
    and receiving a high-level signaling, wherein the high-level signaling comprises the energy-saving monitoring indication information.
  7. The method of receiving a downlink control channel according to claim 5,
    the method comprises the following steps:
    and in response to not receiving the energy-saving monitoring indication information, for at least one DCI format needing monitoring, monitoring the at least one DCI format on search spaces of all PDCCH time slots in a multi-slot PDCCH monitoring span.
  8. The method of receiving a downlink control channel according to claim 7,
    the not receiving the energy-saving monitoring indication information includes:
    and receiving a high-level signaling, wherein the high-level signaling does not contain the energy-saving monitoring indication information.
  9. The method of receiving a downlink control channel according to claim 7,
    the not receiving the energy saving monitoring indication information includes:
    and receiving a high-level signaling, wherein the high-level signaling comprises an instruction for forbidding execution of the energy-saving monitoring instruction information.
  10. A device for sending a downlink control channel is applied to network side equipment and comprises the following components:
    a first sending module, configured to send energy saving monitoring indication information, where the energy saving monitoring indication information is used to indicate: and for at least one DCI format needing monitoring, after the at least one DCI format is monitored in the search space of one PDCCH time slot in the multi-slot PDCCH monitoring span, prohibiting monitoring on the at least one DCI format in the search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
  11. A device for receiving a downlink control channel is applied to user equipment and comprises:
    the first detection module is configured to, for at least one DCI format to be monitored, after the at least one DCI format is monitored in a search space of one PDCCH time slot in a multi-slot PDCCH monitoring span, prohibit monitoring the at least one DCI format in a search space of each PDCCH time slot after the one PDCCH time slot in the multi-slot PDCCH monitoring span.
  12. A network-side device, comprising:
    a processor;
    a memory for storing processor-executable instructions;
    wherein the processor is configured to execute executable instructions in the memory to implement the steps of the method of transmitting a downlink control channel of any one of claims 1 to 3.
  13. A user equipment, comprising:
    a processor;
    a memory for storing processor-executable instructions;
    wherein the processor is configured to execute executable instructions in the memory to implement the steps of the method of transmitting a downlink control channel of any one of claims 4 to 9.
  14. A non-transitory computer readable storage medium having stored thereon executable instructions which, when executed by a processor, implement the steps of the method of transmitting a downlink control channel of any one of claims 1 to 3 or implement the steps of the method of transmitting a downlink control channel of any one of claims 4 to 9.
CN202180000728.2A 2021-03-10 2021-03-10 Method, device, equipment and medium for sending and receiving downlink control channel Pending CN115336331A (en)

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