WO2022170499A1 - 一种接收下行控制信息的方法、装置、设备及存储介质 - Google Patents

一种接收下行控制信息的方法、装置、设备及存储介质 Download PDF

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Publication number
WO2022170499A1
WO2022170499A1 PCT/CN2021/076310 CN2021076310W WO2022170499A1 WO 2022170499 A1 WO2022170499 A1 WO 2022170499A1 CN 2021076310 W CN2021076310 W CN 2021076310W WO 2022170499 A1 WO2022170499 A1 WO 2022170499A1
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Prior art keywords
span
pdcch
blind detection
time slot
overbooking
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PCT/CN2021/076310
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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 CN202180000459.XA priority Critical patent/CN115211194A/zh
Priority to PCT/CN2021/076310 priority patent/WO2022170499A1/zh
Priority to US18/276,315 priority patent/US20240129905A1/en
Publication of WO2022170499A1 publication Critical patent/WO2022170499A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • 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
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular, to a method, apparatus, device, and storage medium for receiving downlink control information.
  • the downlink data is carried on the Physical Downlink Shared CHannel (PDSCH), and the uplink data is carried on the Physical Uplink Shared CHannel (PUSCH).
  • the base station schedules PDSCH and PUSCH through downlink control information (Downlink Control Information, DCI) carried on the PDCCH channel.
  • DCI Downlink Control Information
  • the PDCCH channel includes a common search space (Common Search Space, CSS) and a UE specific search space (User equipment specific Search Space, USS).
  • the CSS is used to carry cell common control information, multicast control information, etc., and can also be used to carry UE-specific control information.
  • USS is used to carry UE-specific control information.
  • the PDCCH blind detection (monitoring) capability is defined according to a single time slot (slot) as a time unit. Specifically, the blind detection capability of the UE in each slot is specified according to the difference of SubCarrier spacing (SCS).
  • SCS SubCarrier spacing
  • the blind detection capability of the UE in a slot includes the maximum number of blind detections in the slot and the maximum number of non-overlapping control channel elements (CCEs) in the slot. This definition applies to frequencies below 52.6GHZ.
  • the optional sub-carrier bandwidth is 15KHz, 30KHz, 60KHz or 120KHz.
  • the corresponding specific value is different, for example: corresponding to 15KHz sub-carrier bandwidth
  • the duration of the time slot 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 slot duration becomes shorter.
  • embodiments of the present disclosure provide a method, apparatus, device, and storage medium for receiving downlink control information.
  • a method for receiving downlink control information comprising:
  • Blind detection is performed on the time slot before the time slot corresponding to the PDCCH overbooking in the span, blind detection is performed on the time slot corresponding to the PDCCH overbooking in the span, and the The blind detection is performed on the time slot following the time slot corresponding to the PDCCH overbooking.
  • the time slot corresponding to the PDCCH overbooking in the determined span includes:
  • the first M time slots in the span In response to the sum of the PDCCH blind detection overheads of all user equipment-specific search space USSs in the first M-1 time slots in the span being less than the USS blind detection capability in the user equipment span, the first M time slots in the span.
  • the sum of the PDCCH blind detection overheads of all USSs is greater than or equal to the USS blind detection capability within the span of the user equipment, and it is determined that the Mth time slot in the span is the time slot corresponding to the PDCCH overbooking;
  • M is an integer greater than 1.
  • the USS blind detection capability within the span of the user equipment includes a difference between the preset blind detection capability within the span of the user equipment and the CSS blind detection overhead of the common search space within the span of the user equipment.
  • the performing blind detection on the time slot corresponding to the PDCCH overbooking in the span includes:
  • the performing blind detection on the time slot corresponding to the PDCCH overbooking in the span includes:
  • the performing blind detection on the time slot corresponding to the PDCCH overbooking in the span includes:
  • Blind detection is performed on the remaining USS in the time slot corresponding to the PDCCH overbooking.
  • the performing blind detection on the time slot corresponding to the PDCCH overbooking in the span includes:
  • the determining of the time slot corresponding to the PDCCH overbooking in the span includes: the index value of the time slot corresponding to the PDCCH overbooking in the span is a set value.
  • the determining of the time slot corresponding to the PDCCH overbooking in the span includes: the ratio of the index value of the time slot corresponding to the PDCCH overbooking in the span to the total number of time slots included in the span belongs to Set the interval.
  • an apparatus for receiving downlink control information applied to user equipment, including:
  • a determining module configured to determine the time slot corresponding to the overbooking of the PDCCH in the span; wherein the span includes more than one time slot;
  • the processing module is configured to perform blind detection on the time slot before the time slot corresponding to the PDCCH overbooking in the span, and perform blind detection on the time slot corresponding to the PDCCH overbooking in the span.
  • the blind detection is performed on the time slot after the time slot corresponding to the PDCCH overbooking in the span.
  • a user equipment comprising:
  • memory for storing processor-executable instructions
  • the processor is configured to execute executable instructions in the memory to implement the steps of the method for receiving downlink control information.
  • a non-transitory computer-readable storage medium which stores executable instructions, and when the executable instructions are executed by a processor, implements the steps of the method for receiving downlink control information.
  • the technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: when the PDCCH is oversubscribed, the user equipment will try to blindly detect the USS on the time slot at the front of the span, and discard the USS on the time slot at the back position. , so that the user equipment can enter the energy-saving mode as soon as possible after receiving the PDCCH, thereby improving the energy-saving capability of the user equipment.
  • FIG. 1 is a flowchart of a method for receiving downlink control information according to an exemplary embodiment
  • FIG. 2 is a structural diagram of an apparatus for receiving downlink control information according to an exemplary embodiment
  • FIG. 3 is a structural diagram of an apparatus for receiving downlink control information according to an exemplary embodiment.
  • a larger subcarrier bandwidth such as 960KHz
  • a larger subcarrier bandwidth corresponds to a smaller duration (this duration is the duration of a time slot).
  • the duration of a corresponding slot is 1/64 millisecond (ms).
  • the user equipment may not be able to perform blind detection for the PDCCH channel in each slot, so it can Introduce a span PDCCH monitoring pattern or a multi-slot span PDCCH monitoring pattern, where one is a span or a multi-slot span includes more than one time slot , in the span PDCCH blind detection mode, the USS blind detection capability within the user equipment span is defined according to the span, and in the multi-slot span PDCCH blind detection mode, the USS blind detection capability within the user equipment span is defined according to the multi-slot illumination span.
  • a span includes multiple time slots, and USS may exist on all time slots or some time slots in a span.
  • the USS with the same index value (index) may also exist in two time slots in one span, or in more than two time slots in one span.
  • PDCCH overbooking may occur in a span, this PDCCH overbooking generally refers to PDCCH overbooking on USS, regardless of CSS (because CSS is guaranteed by the base station that PDCCH overbooking will not occur).
  • FIG. 1 is a flowchart of a method for receiving downlink control information according to an exemplary embodiment. As shown in FIG. 1, the method includes:
  • Step S11 determining the time slot corresponding to the PDCCH overbooking in the span; wherein, the span includes more than one time slot.
  • Step S12 performing blind detection on the time slot before the time slot corresponding to the PDCCH overbooking in the span, performing blind detection on the time slot corresponding to the PDCCH overbooking in the span, and prohibiting the time slot in the span Blind detection is performed on the time slot following the time slot corresponding to the PDCCH overbooking described in .
  • the USS blind detection capability required by the time slot corresponding to the PDCCH overbooking in the span and all USSs on all previous time slots is greater than or equal to the USS blind detection capability within the user equipment span.
  • the USS blind detection capability within the span of the user equipment includes a difference between the preset blind detection capability within the span of the user equipment and the CSS blind detection overhead of the common search space within the span of the user equipment.
  • the user equipment when the PDCCH is overbooked, the user equipment will try to blindly detect the USS on the earlier time slot in the span, and discard the USS on the later time slot, so that the user equipment will not receive the PDCCH after receiving the USS. After that, the energy saving mode can be entered as early as possible to improve the energy saving capability of the user equipment.
  • An embodiment of the present disclosure provides a method for receiving downlink control information, and the method is applied to user equipment. This method includes:
  • the PDCCH blind detection overheads of all USSs in the first M-1 time slots in the span are less than the blind detection capability of the USS in the user equipment span.
  • the sum is greater than or equal to the blind detection capability of the USS within the span of the user equipment, and it is determined that the Mth time slot in the span is the time slot corresponding to the PDCCH overbooking.
  • the span includes more than one time slot.
  • M is an integer greater than 1.
  • Blind detection is performed on the time slot before the time slot corresponding to the PDCCH overbooking in the span, blind detection is performed on the time slot corresponding to the PDCCH overbooking in the span, and the The blind detection is performed on the time slot following the time slot corresponding to the PDCCH overbooking.
  • the span contains N slots, and M is a value greater than 1 and less than or equal to N.
  • the USS blind detection capability within the span of the user equipment includes a difference between the preset blind detection capability of the user equipment span and the CSS blind detection overhead within the span of the user equipment.
  • the preset blind detection capability within the user equipment span is C0
  • the USS blind detection capability within the user equipment span is C1
  • the CSS blind detection overhead within the user equipment span is C2
  • a span contains N slots.
  • N is an integer greater than 1.
  • the N time slots are numbered sequentially from 0 to N-1.
  • This span contains N slots (numbered from 0 to N-1).
  • USS M represents the USS blind detection overhead required by all USSs in slot M.
  • C1 represents the blind detection capability of the USS within the span of the user equipment.
  • the user equipment when the PDCCH is overbooked, the user equipment will try to blindly detect the USS on the earlier time slot in the span, and discard the USS on the later time slot, so that the user equipment will not receive the PDCCH after receiving the USS. After that, the energy saving mode can be entered as early as possible to improve the energy saving capability of the user equipment.
  • An embodiment of the present disclosure provides a method for receiving downlink control information, and the method is applied to user equipment. This method includes:
  • the PDCCH blind detection overheads of all USSs in the first M-1 time slots in the span are less than the blind detection capability of the USS in the user equipment span.
  • the sum is greater than the blind detection capability of the USS within the span of the user equipment, and it is determined that the Mth time slot in the span is the time slot corresponding to the PDCCH overbooking.
  • the span includes more than one time slot.
  • M is an integer greater than 1.
  • Blind detection is performed on the time slot before the time slot corresponding to the PDCCH overbooking in the span, blind detection is performed on the time slot corresponding to the PDCCH overbooking in the span, and the The blind detection is performed on the time slot following the time slot corresponding to the PDCCH overbooking.
  • performing blind detection on the time slot before the time slot corresponding to the PDCCH overbooking in the span includes: all time slots before the time slot corresponding to the PDCCH overbooking in the span A blind test was performed on all USSs.
  • performing blind detection on the time slot corresponding to the PDCCH overbooking in the span includes: discarding the settings on the time slot corresponding to the PDCCH overbooking in descending order of USS indexes.
  • the number of USSs, blind detection is performed on the remaining USSs in the time slot corresponding to the PDCCH overbooking.
  • the value of the set number is an empirical value to ensure that after discarding the set number of USSs, the sum of the PDCCH blind detection overheads of all USSs remaining in the first M time slots in the span is less than or equal to the USS blind detection within the user equipment span ability.
  • a span contains N slots.
  • N is an integer greater than 1.
  • the N time slots are numbered sequentially from 0 to N-1.
  • USS M represents the USS blind detection overhead required by all USSs in slot M.
  • C1 represents the blind detection capability of the USS within the span of the user equipment.
  • the set number is two.
  • the span includes 5 time slots.
  • the sum of the PDCCH blind detection overheads of all USSs in the first 3 time slots in the span is less than the blind detection capability of the USS in the user equipment span, and the sum of the PDCCH blind detection overheads of all USSs in the first 4 time slots in the span is greater than that of the user equipment If the blind detection capability of the USS within the equipment span is used, it is determined that the time slot corresponding to the overbooking of the PDCCH is the fourth time slot.
  • the USS blind detection capability within the span improves processing efficiency.
  • An embodiment of the present disclosure provides a method for receiving downlink control information, and the method is applied to user equipment. This method includes:
  • the PDCCH blind detection overheads of all USSs in the first M-1 time slots in the span are less than the blind detection capability of the USS in the user equipment span.
  • the sum is greater than the blind detection capability of the USS within the span of the user equipment, and it is determined that the Mth time slot in the span is the time slot corresponding to the PDCCH overbooking.
  • the span includes more than one time slot.
  • M is an integer greater than 1.
  • Blind detection is performed on the time slot before the time slot corresponding to the PDCCH overbooking in the span, blind detection is performed on the time slot corresponding to the PDCCH overbooking in the span, and the The blind detection is performed on the time slot following the time slot corresponding to the PDCCH overbooking.
  • performing blind detection on the time slot before the time slot corresponding to the PDCCH overbooking in the span includes: all time slots before the time slot corresponding to the PDCCH overbooking in the span A blind test was performed on all USSs.
  • performing the blind detection on the time slot corresponding to the PDCCH overbooking in the span includes: discarding the USS on the time slot corresponding to the PDCCH overbooking in descending order according to the index of the USS in sequence; , until the sum of the PDCCH blind detection overheads of all the remaining USSs in the first M time slots in the span is less than or equal to the blind detection capability of the USS in the user equipment span.
  • a span contains N slots.
  • N is an integer greater than 1.
  • the N time slots are numbered sequentially from 0 to N-1.
  • USS M represents the USS blind detection overhead required by all USSs in slot M.
  • C1 represents the blind detection capability of the USS within the span of the user equipment.
  • the span includes 5 time slots.
  • the sum of the PDCCH blind detection overheads of all USSs in the first 3 time slots in the span is less than the blind detection capability of the USS in the user equipment span, and the sum of the PDCCH blind detection overheads of all USSs in the first 4 time slots in the span is greater than that of the user equipment If the blind detection capability of the USS within the equipment span is used, it is determined that the time slot corresponding to the overbooking of the PDCCH is the fourth time slot.
  • the fourth time slot discard the USS in the time slot corresponding to the PDCCH overbooking in descending order of the USS index, until the PDCCH blind detection overhead of all the remaining USS in the first four time slots is equal to and less than or equal to the USS blind detection capability within the span of the user equipment. Specifically: give priority to discarding the USS with the largest index, continue to discard the USS with the second largest index, and so on, until the sum of the PDCCH blind detection overheads of all remaining USSs in the first 4 time slots is less than or equal to the USS blind detection within the span of the user equipment ability.
  • the PDCCH overbooks the USS on the corresponding timeslot until the sum of the PDCCH blind detection overheads of all the remaining USSs in the first M timeslots in the span is less than or equal to the blind detection capability of the USS within the span of the user equipment.
  • the blind detection overhead required after the operation will not exceed the blind detection capability of the USS within the span of the user equipment, ensuring the stability of the blind detection processing.
  • An embodiment of the present disclosure provides a method for receiving downlink control information, and the method is applied to user equipment. This method includes:
  • the PDCCH blind detection overheads of all USSs in the first M-1 time slots in the span are less than the blind detection capability of the USS in the user equipment span.
  • the sum is equal to the blind detection capability of the USS within the span of the user equipment, and it is determined that the Mth time slot in the span is the time slot corresponding to the PDCCH overbooking.
  • the span includes more than one time slot.
  • M is an integer greater than 1.
  • Blind detection is performed on the time slot before the time slot corresponding to the PDCCH overbooking in the span, blind detection is performed on the time slot corresponding to the PDCCH overbooking in the span, and the The blind detection is performed on the time slot following the time slot corresponding to the PDCCH overbooking.
  • performing blind detection on a time slot before a time slot corresponding to the PDCCH overbooking in the span includes: performing a blind detection on each time slot before the time slot corresponding to the PDCCH overbooking in the span. Blind detection is performed on all USSs in the slot.
  • performing blind detection on the time slot corresponding to the PDCCH overbooking in the span includes: performing blind detection on all USSs in the time slot corresponding to the PDCCH overbooking in the span.
  • a span contains N slots.
  • N is an integer greater than 1.
  • the N time slots are numbered sequentially from 0 to N-1.
  • USS M represents the USS blind detection overhead required by all USSs in slot M.
  • C1 represents the blind detection capability of the USS within the span of the user equipment.
  • the span includes 5 time slots.
  • the sum of the PDCCH blind detection overheads of all USSs in the first 3 time slots in the span is less than the blind detection capability of the USS in the user equipment span, and the sum of the PDCCH blind detection overheads of all USSs in the first 4 time slots in the span is equal to the user equipment If the blind detection capability of the USS within the equipment span is used, it is determined that the time slot corresponding to the overbooking of the PDCCH is the fourth time slot.
  • a blind check is performed on all USSs on the 4th slot.
  • An embodiment of the present disclosure provides a method for receiving downlink control information, and the method is applied to user equipment. This method includes:
  • the time slot corresponding to the PDCCH overbooking in the span is determined; the index value of the time slot corresponding to the PDCCH overbooking in the span is a set value.
  • the span includes more than one time slot.
  • Blind detection is performed on the time slot before the time slot corresponding to the PDCCH overbooking in the span, blind detection is performed on the time slot corresponding to the PDCCH overbooking in the span, and the The blind detection is performed on the time slot following the time slot corresponding to the PDCCH overbooking.
  • the set value is an empirical value to ensure that after discarding all the USS in all the time slots after the PDCCH overbooking corresponds to the time slot, the PDCCH blind detection of the time slot corresponding to the PDCCH overbooking in the span and all the USS in all the previous time slots
  • the sum of the overhead is less than or equal to the blind detection capability of the USS within the span of the user equipment.
  • the USS blind detection capability required by the time slot corresponding to the PDCCH overbooking in the span and all USSs in all previous time slots is greater than or equal to the USS blind detection capability within the user equipment span.
  • the time slot whose index value in the span is the set value is determined as the time slot corresponding to the PDCCH overbooking in the span, and all the time slots after the time slot corresponding to the PDCCH overbooking are discarded. Therefore, the user equipment can enter the energy-saving mode as soon as possible after receiving the PDCCH, thereby improving the energy-saving capability of the user equipment.
  • An embodiment of the present disclosure provides a method for receiving downlink control information, and the method is applied to user equipment. This method includes:
  • the span includes more than one time slot.
  • Blind detection is performed on the time slot before the time slot corresponding to the PDCCH overbooking in the span, blind detection is performed on the time slot corresponding to the PDCCH overbooking in the span, and the The blind detection is performed on the time slot following the time slot corresponding to the PDCCH overbooking.
  • the set interval is an empirical value to ensure that after discarding all USS in all the time slots corresponding to the PDCCH overbooking, the PDCCH blind detection of the time slots corresponding to the PDCCH overbooking in the span and all the USS in all the previous time slots
  • the sum of the overhead is less than or equal to the blind detection capability of the USS within the span of the user equipment.
  • An embodiment of the present disclosure provides a method for receiving downlink control information, and the method is applied to user equipment. This method includes:
  • a time slot corresponding to the PDCCH overbooking in the span is determined; wherein the span includes more than one time slot.
  • Blind detection is performed on the time slot before the time slot corresponding to the PDCCH overbooking in the span, and blind detection is prohibited from being performed on the time slot corresponding to the PDCCH overbooking in the span. Blind detection is prohibited from being performed on time slots following the time slot corresponding to the PDCCH overbooking in the span.
  • the USS in the time slot corresponding to the PDCCH overbooking and the USS in all time slots after the time slot corresponding to the PDCCH overbooking are discarded, and blind detection is performed only on each time slot before the time slot corresponding to the PDCCH overbooking , under the condition that some blind detection effects are lost and the lost blind detection effects are tolerable, the energy saving effect and processing efficiency are effectively improved.
  • FIG. 2 is a structural diagram of an apparatus for receiving downlink control information according to an exemplary embodiment. As shown in FIG. 2, the apparatus includes:
  • a determining module configured to determine the time slot corresponding to the overbooking of the PDCCH in the span; wherein the span includes more than one time slot;
  • the processing module is configured to perform blind detection on the time slot before the time slot corresponding to the PDCCH overbooking in the span, and perform blind detection on the time slot corresponding to the PDCCH overbooking in the span.
  • the blind detection is performed on the time slot after the time slot corresponding to the PDCCH overbooking in the span.
  • An embodiment of the present disclosure provides an apparatus for receiving downlink control information, and the apparatus is applied to user equipment.
  • This device includes:
  • the determining module is configured to respond that the sum of the PDCCH blind detection overheads of all the user equipment-specific search spaces USS on the first M-1 time slots in the span is less than the USS blind detection capability within the user equipment span, and the The sum of the PDCCH blind detection overheads of all USSs in the M time slots is greater than or equal to the USS blind detection capability within the span of the user equipment, and it is determined that the Mth time slot in the span is the time slot corresponding to the PDCCH overbooking; wherein, M is an integer greater than 1.
  • the processing module is configured to perform blind detection on the time slot before the time slot corresponding to the PDCCH overbooking in the span, and perform blind detection on the time slot corresponding to the PDCCH overbooking in the span.
  • the blind detection is performed on the time slot after the time slot corresponding to the PDCCH overbooking in the span.
  • the USS blind detection capability within the span of the user equipment includes a difference between the preset blind detection capability within the span of the user equipment and the CSS blind detection overhead of the common search space within the span of the user equipment.
  • An embodiment of the present disclosure provides an apparatus for receiving downlink control information, and the apparatus is applied to user equipment.
  • This device includes:
  • the determining module is configured to respond that the sum of the PDCCH blind detection overheads of all the user equipment-specific search spaces USS on the first M-1 time slots in the span is less than the USS blind detection capability within the user equipment span, and the The sum of the PDCCH blind detection overheads of all USSs in the M time slots is greater than the blind detection capability of the USS in the span of the user equipment, and it is determined that the Mth time slot in the span is the time slot corresponding to the PDCCH overbooking; where, M is Integer greater than 1.
  • the processing module is configured to perform blind detection on the time slot before the time slot corresponding to the PDCCH overbooking in the span, and discard the time slot corresponding to the PDCCH overbooking according to the USS index in descending order Perform blind detection on the remaining USS in the time slot corresponding to the PDCCH overbooking at least one USS; blind detection is prohibited in the time slot after the time slot corresponding to the PDCCH overbooking in the span.
  • An embodiment of the present disclosure provides an apparatus for receiving downlink control information, and the apparatus is applied to user equipment.
  • This device includes:
  • the determining module is configured to respond that the sum of the PDCCH blind detection overheads of all the user equipment-specific search spaces USS on the first M-1 time slots in the span is less than the USS blind detection capability within the user equipment span, and the The sum of the PDCCH blind detection overheads of all USSs in the M time slots is greater than the blind detection capability of the USS in the span of the user equipment, and it is determined that the Mth time slot in the span is the time slot corresponding to the PDCCH overbooking; where, M is Integer greater than 1.
  • a processing module configured to perform blind detection on the time slot before the time slot corresponding to the PDCCH overbooking in the span; discard the time slot corresponding to the PDCCH overbooking in descending order according to the index of the USS in descending order until the sum of the PDCCH blind detection overheads of all remaining USSs on the first M time slots in the span is less than or equal to the USS blind detection capability within the span of the user equipment, and the remaining time slots corresponding to the PDCCH overbooking Blind detection is performed on the USS of the PDCCH; blind detection is prohibited from being performed on the time slot after the time slot corresponding to the PDCCH overbooking in the span.
  • An embodiment of the present disclosure provides an apparatus for receiving downlink control information, and the apparatus is applied to user equipment.
  • This device includes:
  • the determining module is configured to respond that the sum of the PDCCH blind detection overheads of all the user equipment-specific search spaces USS on the first M-1 time slots in the span is less than the USS blind detection capability within the user equipment span, and the The sum of the PDCCH blind detection overheads of all USSs in the M time slots is equal to the blind detection capability of the USS in the span of the user equipment, and it is determined that the Mth time slot in the span is the time slot corresponding to the PDCCH overbooking; where M is Integer greater than 1.
  • a processing module configured to perform blind detection on the time slot before the time slot corresponding to the PDCCH overbooking in the span; perform blind detection on all USSs on the time slot corresponding to the PDCCH overbooking; The blind detection is performed on the time slot after the time slot corresponding to the PDCCH overbooking in the span.
  • An embodiment of the present disclosure provides an apparatus for receiving downlink control information, and the apparatus is applied to user equipment.
  • This device includes:
  • the determining module is configured to determine the time slot corresponding to the PDCCH overbooking in the span; the index value of the time slot corresponding to the PDCCH overbooking in the span is a set value.
  • the span includes more than one time slot.
  • the processing module is configured to perform blind detection on the time slot before the time slot corresponding to the PDCCH overbooking in the span, perform blind detection on the time slot corresponding to the PDCCH overbooking in the span, and prohibit the The blind detection is performed on the time slot after the time slot corresponding to the PDCCH overbooking in the span.
  • An embodiment of the present disclosure provides an apparatus for receiving downlink control information, and the apparatus is applied to user equipment.
  • This device includes:
  • the determining module is configured to determine the time slot corresponding to the PDCCH overbooking in the span; the ratio of the index value of the time slot corresponding to the PDCCH overbooking in the span and the total number of time slots included in the span belongs to the set interval.
  • the span includes more than one time slot.
  • the processing module is configured to perform blind detection on the time slot before the time slot corresponding to the PDCCH overbooking in the span, and perform blind detection on the time slot corresponding to the PDCCH overbooking in the span.
  • the blind detection is performed on the time slot after the time slot corresponding to the PDCCH overbooking in the span.
  • FIG. 3 is a block diagram of an apparatus 300 for receiving downlink control information according to an exemplary embodiment.
  • apparatus 300 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • the apparatus 300 may include one or more of the following components: a processing component 302, a memory 304, a power supply component 306, a multimedia component 308, an audio component 310, an input/output (I/O) interface 312, a sensor component 314, and communication component 316 .
  • the processing component 302 generally controls the overall operation of the device 300, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 302 may include one or more processors 320 to execute instructions to perform all or some of the steps of the methods described above. Additionally, processing component 302 may include one or more modules that facilitate interaction between processing component 302 and other components. For example, processing component 302 may include a multimedia module to facilitate interaction between multimedia component 308 and processing component 302 .
  • Memory 304 is configured to store various types of data to support operation at device 300 . Examples of such data include instructions for any application or method operating on device 300, contact data, phonebook data, messages, pictures, videos, and the like. Memory 304 may be implemented by any type of volatile or non-volatile storage device or combination thereof, 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 Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power supply assembly 306 provides power to the various components of device 300 .
  • Power supply components 306 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 300 .
  • Multimedia component 308 includes screens that provide an output interface between the device 300 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 a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • the multimedia component 308 includes a front-facing camera and/or a rear-facing camera. When the device 300 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 310 is configured to output and/or input audio signals.
  • audio component 310 includes a microphone (MIC) that is configured to receive external audio signals when device 300 is in operating modes, such as call mode, recording mode, and voice recognition mode. The received audio signal may be further stored in memory 304 or transmitted via communication component 316 .
  • audio component 310 also includes a speaker for outputting audio signals.
  • the I/O interface 312 provides an interface between the processing component 302 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 314 includes one or more sensors for providing status assessment of various aspects of device 300 .
  • the sensor assembly 314 can detect the open/closed state of the device 300, the relative positioning of components, such as the display and keypad of the device 300, and the sensor assembly 314 can also detect a change in the position of the device 300 or a component of the device 300 , the presence or absence of user contact with the device 300 , the orientation or acceleration/deceleration of the device 300 and the temperature change of the device 300 .
  • Sensor assembly 314 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 314 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 314 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 316 is configured to facilitate wired or wireless communication between apparatus 300 and other devices.
  • Device 300 may access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 316 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 316 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • 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.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 300 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 A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 304 including instructions, executable by the processor 320 of the apparatus 300 to perform the method described above.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • the user equipment When the PDCCH is overbooked, the user equipment will try to blindly detect the USS in the earlier time slot in the span, and discard the USS in the later time slot, so that the user equipment can enter energy saving as soon as possible after receiving the PDCCH. mode to improve the energy-saving capability of user equipment.

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Abstract

本公开实施例提供了一种接收下行控制信息的方法、装置、设备及存储介质，应用于无线通信技术领域。接收下行控制信息的方法包括：确定跨度中PDCCH超额预定对应的时隙；其中，所述跨度包括一个以上的时隙；在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。本公开实施例中，当发生PDCCH超额预定时，用户设备会尽量盲检跨度中位置靠前的时隙上的USS,丢弃位置靠后的时隙上的USS，从而使用户设备在接收完PDCCH后，可以尽早进入节能模式，提高用户设备的节能能力。

Description

一种接收下行控制信息的方法、装置、设备及存储介质 技术领域
本公开涉及无线通信技术领域，尤其涉及一种接收下行控制信息的方法、装置、设备及存储介质。
背景技术
NR(New Radio,新空口)协议中，将下行数据承载在物理下行共享信道(Physical Downlink Shared CHannel,PDSCH)上，将上行数据承载在物理上行共享信道(Physical Uplink Shared CHannel,PUSCH)上。基站通过承载在PDCCH信道的下行控制信息(Downlink Control Information，DCI)调度PDSCH和PUSCH。
PDCCH信道中包括了公共搜索空间(Common Search Space，CSS)和UE特定搜索空间(User equipment specific Search Space,USS)。其中，CSS用于承载小区公共控制信息、组播控制信息等，也可用于承载UE特定的控制信息。USS用于承载UE特定的控制信息。
R15协议中，PDCCH盲检(monitoring)能力是按照单个时隙(slot)为时间单位进行定义的。具体为：根据子载波间隔(SubCarrier spacing,SCS)的不同，规定每个slot内UE的盲检能力。一个slot内UE的盲检能力包括此slot内最大的盲检次数，以及此slot内最大的非重叠控制信道单元(control channel element，CCE)的个数。此定义适用于52.6GHZ以下的频率，可选的子载波带宽为15KHz、30KHz、60KHz或120KHz，一个slot的时长在子载波带宽不同时，对应的具体值不同，例如：对应于15KHz子载波带宽的时隙的时长为1毫秒(ms)，对应于30KHz子载波带宽的时隙的时长为0.5ms，对应于60KHz子载波带宽的时隙的时长为0.25ms，依次类推。随着子载波带宽越大，slot的时长越短。
发明内容
有鉴于此，本公开实施例提供了一种接收下行控制信息的方法、装置、设备及存储介质。
根据第一方面，提供了一种接收下行控制信息的方法，此方法包括：
确定跨度中PDCCH超额预定对应的时隙；其中，所述跨度包括一个以上的时隙；
在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
在一实施方式中，所述确定跨度中PDCCH超额预定对应的时隙，包括：
响应于所述跨度中前M-1个时隙上的所有用户设备特定搜索空间USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于或等于所述用户设备跨度内USS盲检能力，确定所述跨度中第M个时隙为PDCCH超额预定对应的时隙；
其中，M是大于1的整数。
在一实施方式中，所述用户设备跨度内USS盲检能力包括预设的用户设备跨度内盲检能力与用户设备跨度内公共搜索空间CSS盲检开销的差。
在一实施方式中，所述在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，包括：
响应于所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于用户设备跨度内USS盲检能力，按照USS的索引从大到小的顺序丢弃所述PDCCH超额预定对应的时隙上的至少一USS。
在一实施方式中，所述在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，包括：
响应于所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于用户设备跨度内USS盲检能力，按照USS的索引从大到小的顺序依次丢弃所述PDCCH超额预定对应的时隙上的USS，直至所述跨度中前M个时隙上剩余的所有USS的PDCCH盲检开销之和小于或等于用户设备跨度内USS盲检能力。
在一实施方式中，所述在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，包括：
在所述PDCCH超额预定对应的时隙上剩余的USS上进行盲检。
在一实施方式中，所述在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，包括：
响应于所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和等于 用户设备跨度内USS盲检能力，在所述PDCCH超额预定对应的时隙上所有的USS上进行盲检。
在一实施方式中，所述确定跨度中PDCCH超额预定对应的时隙，包括：所述跨度中PDCCH超额预定对应的时隙的索引值是设定值。
在一实施方式中，所述确定跨度中PDCCH超额预定对应的时隙，包括：所述跨度中PDCCH超额预定对应的时隙的索引值与所述跨度中包含的时隙的总数量的比值属于设定区间。
根据第二方面，提供了一种接收下行控制信息的装置，应用于用户设备，包括：
确定模块，被配置为确定跨度中PDCCH超额预定对应的时隙；其中，所述跨度包括一个以上的时隙；
处理模块，被配置为在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
根据第三方面，提供了一种用户设备，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为执行所述存储器中的可执行指令以实现所述接收下行控制信息的方法的步骤。
根据第三方面，提供了一种非临时性计算机可读存储介质，其上存储有可执行指令，该可执行指令被处理器执行时实现所述接收下行控制信息的方法的步骤。
本公开的实施例提供的技术方案可以包括以下有益效果：当发生PDCCH超额预定时，用户设备会尽量盲检跨度中位置靠前的时隙上的USS,丢弃位置靠后的时隙上的USS，从而使用户设备在接收完PDCCH后，可以尽早进入节能模式，提高用户设备的节能能力。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
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是根据一示例性实施例示出的一种接收下行控制信息的方法的流程图；
图2是根据一示例性实施例示出的一种接收下行控制信息的装置的结构图；
图3是根据一示例性实施例示出的一种接收下行控制信息的装置的结构图。
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。
在高频段(例如60GHz左右的频段)内，为了应对相位噪声，通常会选择使用较大的子载波带宽，例如960KHz。由于，较大的子载波带宽对应着较小的时长(此时长是时隙的时长)。在子载波带宽是960KHz时，对应的一个slot的时长为1/64毫秒(ms)，在此较短的时长内，用户设备可能无法在每个slot都执行针对PDCCH信道的盲检，因而可以引入跨度PDCCH盲检模式(span PDCCH monitoring pattern)或者称为多时隙跨度PDCCH盲检模式(multi-slot span PDCCH monitoring pattern)，其中，一个为跨度(span)或者多时隙跨度包括一个以上的时隙，在跨度PDCCH盲检模式内按照跨度为单位定义用户设备跨度内USS盲检能力，在多时隙跨度PDCCH盲检模式内按多时隙照跨度为单位定义用户设备跨度内USS盲检能力。
一个跨度包含多个时隙，在一个跨度中可能所有时隙上都存在USS，或者部分时隙上都存在USS。并且，同一个索引值(index)的USS还可能存在于一个跨度中的2个时隙中，或者存在于一个跨度中的2个以上的时隙中。
在一个跨度中可能发生PDCCH超额预定(overbooking)，此PDCCH超额预定一般是指关于USS的PDCCH超额预定，与CSS无关(因为CSS由基站保证不会发生PDCCH超额预定)。
本公开实施例提供了一种接收下行控制信息的方法，此方法应用于用户设备。参照图1，图1是根据一示例性实施例示出的一种接收下行控制信息的方法的流程图，如图1所示，此方法包括：
步骤S11，确定跨度中PDCCH超额预定对应的时隙；其中，所述跨度包括一个以上的时隙。
步骤S12，在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
在一实施方式中，跨度中PDCCH超额预定对应的时隙以及之前所有时隙上所有的USS所需要的USS盲检能力大于或等于用户设备跨度内USS盲检能力。
在一实施方式中，所述用户设备跨度内USS盲检能力包括预设的用户设备跨度内盲检能力与用户设备跨度内公共搜索空间CSS盲检开销的差。
本公开实施例中，当发生PDCCH超额预定时，用户设备会尽量盲检跨度中位置靠前的时隙上的USS,丢弃位置靠后的时隙上的USS，从而使用户设备在接收完PDCCH后，可以尽早进入节能模式，提高用户设备的节能能力。
本公开实施例提供了一种接收下行控制信息的方法，此方法应用于用户设备。此方法包括：
响应于跨度中前M-1个时隙上的所有USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于或等于用户设备跨度内USS盲检能力，确定所述跨度中第M个时隙为PDCCH超额预定对应的时隙。其中，所述跨度包括一个以上的时隙。M是大于1的整数。
在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检， 在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
在一实施方式中，所述跨度包含N个时隙(slot)，M是大于1并且小于或等于N的值。
在一实施方式中，所述用户设备跨度内USS盲检能力包括预设的用户设备跨度内盲检能力与用户设备跨度内CSS盲检开销的差。
例如：预设的用户设备跨度内盲检能力为C0，用户设备跨度内USS盲检能力为C1，用户设备跨度内CSS盲检开销为C2，则C1为C0与C2的差即C1＝C0-C2。
在一示例中，一个跨度中包含N个时隙(slot)。N是大于1的整数。N个时隙的编号依次为从0至N-1。
此跨度中包含N个slot(编号从0～N-1)。USS M表示在slot M上所有的USS所需要的USS盲检开销。C1表示用户设备跨度内USS盲检能力。
在USS 0+USS 1+……+USS M-1<C1,并且，USS 0+USS 1+……+USS M>＝C1时，确定所述跨度中slot M为PDCCH超额预定对应的时隙。
本公开实施例中，当发生PDCCH超额预定时，用户设备会尽量盲检跨度中位置靠前的时隙上的USS,丢弃位置靠后的时隙上的USS，从而使用户设备在接收完PDCCH后，可以尽早进入节能模式，提高用户设备的节能能力。
本公开实施例提供了一种接收下行控制信息的方法，此方法应用于用户设备。此方法包括：
响应于跨度中前M-1个时隙上的所有USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于用户设备跨度内USS盲检能力，确定所述跨度中第M个时隙为PDCCH超额预定对应的时隙。其中，所述跨度包括一个以上的时隙。M是大于1的整数。
在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
在一实施方式中，在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，包括：在所述跨度中所述PDCCH超额预定对应的时隙之前 的所有时隙的所有USS上进行盲检。
在一实施方式中，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检包括：按照USS的索引从大到小的顺序丢弃所述PDCCH超额预定对应的时隙上的设定数量的USS，在所述PDCCH超额预定对应的时隙上剩余的USS上进行盲检。其中，设定数量的值是经验值，以保证丢弃设定数量的USS后，跨度中前M个时隙上剩余的所有USS的PDCCH盲检开销之和小于或等于用户设备跨度内USS盲检能力。
在一示例中，一个跨度中包含N个时隙(slot)。N是大于1的整数。N个时隙的编号依次为从0至N-1。
假定一个跨度中，包含N个slot(编号从0～N-1)。USS M表示在slot M上所有的USS所需要的USS盲检开销。C1表示用户设备跨度内USS盲检能力。
在USS 0+USS 1+……+USS M-1<＝C1,并且，USS 0+USS 1+……+USS M>C1时，确定所述跨度中slot M为PDCCH超额预定对应的时隙。
在一示例中，设定数量为2个。跨度包括5个时隙。跨度中前3个时隙上的所有USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，并且，跨度中前4个时隙上的所有USS的PDCCH盲检开销之和大于用户设备跨度内USS盲检能力，则确定PDCCH超额预定对应的时隙是第4个时隙。
在前3个时隙中每个时隙的所有USS上进行盲检。
在第4个时隙上，按照USS的索引从大到小的顺序丢弃所述PDCCH超额预定对应的时隙上的2的USS，在第4个时隙上剩余的USS上进行盲检。
禁止在第4个时隙之后的时隙上执行盲检。
本公开实施例中，响应于跨度中前M-1个时隙上的所有USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于用户设备跨度内USS盲检能力，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检时，按照USS的索引从大到小的顺序丢弃所述PDCCH超额预定对应的时隙上的设定数量的USS，在丢弃的过程中无需判断所述跨度中前M个时隙上剩余的所有USS的PDCCH盲检开销之和是否小于或等于用户设备跨度内USS盲检能力，提高处理效率。
本公开实施例提供了一种接收下行控制信息的方法，此方法应用于用户设备。此方法包括：
响应于跨度中前M-1个时隙上的所有USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于用户设备跨度内USS盲检能力，确定所述跨度中第M个时隙为PDCCH超额预定对应的时隙。其中，所述跨度包括一个以上的时隙。M是大于1的整数。
在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
在一实施方式中，在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，包括：在所述跨度中所述PDCCH超额预定对应的时隙之前的所有时隙的所有USS上进行盲检。
在一实施方式中，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检包括：按照USS的索引从大到小的顺序依次丢弃所述PDCCH超额预定对应的时隙上的USS，直至所述跨度中前M个时隙上剩余的所有USS的PDCCH盲检开销之和小于或等于用户设备跨度内USS盲检能力。
在一示例中，一个跨度中包含N个时隙(slot)。N是大于1的整数。N个时隙的编号依次为从0至N-1。
假定一个跨度中，包含N个slot(编号从0～N-1)。USS M表示在slot M上所有的USS所需要的USS盲检开销。C1表示用户设备跨度内USS盲检能力。
在USS 0+USS 1+……+USS M-1<＝C1,并且，USS 0+USS 1+……+USS M>C1时，确定所述跨度中slot M为PDCCH超额预定对应的时隙。
在一示例中，跨度包括5个时隙。跨度中前3个时隙上的所有USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，并且，跨度中前4个时隙上的所有USS的PDCCH盲检开销之和大于用户设备跨度内USS盲检能力，则确定PDCCH超额预定对应的时隙是第4个时隙。
在前3个时隙中每个时隙的所有USS上进行盲检。
在第4个时隙上，按照USS的索引从大到小的顺序依次丢弃所述PDCCH超额预定对应的时隙上的USS，直至前4个时隙上剩余的所有USS的PDCCH盲检开销之和小于或等于用户设备跨度内USS盲检能力。具体的：优先丢弃索引最大的USS，继续丢弃索引次大的USS，依此类推，直至前4个时隙上剩余的 所有USS的PDCCH盲检开销之和小于或等于用户设备跨度内USS盲检能力。
禁止在第4个时隙之后的时隙上执行盲检。
本公开实施例中，响应于跨度中前M-1个时隙上的所有USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于用户设备跨度内USS盲检能力，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检时，按照USS的索引从大到小的顺序依次丢弃所述PDCCH超额预定对应的时隙上的USS，直至所述跨度中前M个时隙上剩余的所有USS的PDCCH盲检开销之和小于或等于用户设备跨度内USS盲检能力，在执行丢弃操作后所需的盲检开销不会超过用户设备跨度内USS盲检能力，保证盲检处理的稳定性。
本公开实施例提供了一种接收下行控制信息的方法，此方法应用于用户设备。此方法包括：
响应于跨度中前M-1个时隙上的所有USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和等于用户设备跨度内USS盲检能力，确定所述跨度中第M个时隙为PDCCH超额预定对应的时隙。其中，所述跨度包括一个以上的时隙。M是大于1的整数。
在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
在一实施方式中，在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，包括：在所述跨度中所述PDCCH超额预定对应的时隙之前的每个时隙的所有USS上进行盲检。
在一实施方式中，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，包括：在所述跨度中所述PDCCH超额预定对应的时隙的所有USS上进行盲检。
在一示例中，一个跨度中包含N个时隙(slot)。N是大于1的整数。N个时隙的编号依次为从0至N-1。
假定一个跨度中，包含N个slot(编号从0～N-1)。USS M表示在slot M上所有的USS所需要的USS盲检开销。C1表示用户设备跨度内USS盲检能力。
在USS 0+USS 1+……+USS M-1<＝C1,并且，USS 0+USS 1+……+USS M＝C1时，确定所述跨度中slot M为PDCCH超额预定对应的时隙。
在一示例中，跨度包括5个时隙。跨度中前3个时隙上的所有USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，并且，跨度中前4个时隙上的所有USS的PDCCH盲检开销之和等于用户设备跨度内USS盲检能力，则确定PDCCH超额预定对应的时隙是第4个时隙。
在前3个时隙中每个时隙的所有USS上进行盲检。
在第4个时隙上的所有USS上进行盲检。
禁止在第4个时隙之后的时隙上执行盲检。
本公开实施例提供了一种接收下行控制信息的方法，此方法应用于用户设备。此方法包括：
确定跨度中PDCCH超额预定对应的时隙；所述跨度中PDCCH超额预定对应的时隙的索引值是设定值。其中，所述跨度包括一个以上的时隙。
在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
其中，设定值是经验值，以保证丢弃PDCCH超额预定对应的时隙后所有时隙的所有USS后，跨度中PDCCH超额预定对应的时隙以及之前的所有时隙的所有USS的PDCCH盲检开销之和小于或等于用户设备跨度内USS盲检能力。
在一实施方式中，跨度中PDCCH超额预定对应的时隙以及之前所有时隙上所有的USS所需要的USS盲检能力大于或等于用户设备跨度内USS盲检能力。
本公开实施例中，确定跨度中产生PDCCH超额预定时，将跨度中索引值为设定值的时隙确定跨度中PDCCH超额预定对应的时隙，丢弃PDCCH超额预定对应的时隙之后所有时隙上的所有USS，从而使用户设备在接收完PDCCH后，可以尽早进入节能模式，提高用户设备的节能能力。
本公开实施例提供了一种接收下行控制信息的方法，此方法应用于用户设备。此方法包括：
确定跨度中PDCCH超额预定对应的时隙；所述跨度中PDCCH超额预定对应的时隙的索引值与所述跨度中包含的时隙的总数量的比值属于设定区间。 其中，所述跨度包括一个以上的时隙。
在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
其中，设定区间是经验值，以保证丢弃PDCCH超额预定对应的时隙后所有时隙的所有USS后，跨度中PDCCH超额预定对应的时隙以及之前的所有时隙的所有USS的PDCCH盲检开销之和小于或等于用户设备跨度内USS盲检能力。
本公开实施例提供了一种接收下行控制信息的方法，此方法应用于用户设备。此方法包括：
确定跨度中PDCCH超额预定对应的时隙；其中，所述跨度包括一个以上的时隙。
在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检。禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
本公开实施例中，丢弃PDCCH超额预定对应的时隙上的USS以及PDCCH超额预定对应的时隙之后所有时隙的USS，只在PDCCH超额预定对应的时隙之前的各时隙上执行盲检，在损失一些盲检效果并且损失的盲检效果可容忍的情况下，有效提高了节能效果和处理效率。
本公开实施例提供了一种接收下行控制信息的装置，此装置应用于用户设备。参照图2，图2是根据一示例性实施例示出的一种接收下行控制信息的装置的结构图，如图2所示，此装置包括：
确定模块，被配置为确定跨度中PDCCH超额预定对应的时隙；其中，所述跨度包括一个以上的时隙；
处理模块，被配置为在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
本公开实施例提供了一种接收下行控制信息的装置，此装置应用于用户设备。此装置包括：
确定模块，被配置为响应于所述跨度中前M-1个时隙上的所有用户设备特定搜索空间USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于或等于所述用户设备跨度内USS盲检能力，确定所述跨度中第M个时隙为PDCCH超额预定对应的时隙；其中，M是大于1的整数。
处理模块，被配置为在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
在一实施方式中，所述用户设备跨度内USS盲检能力包括预设的用户设备跨度内盲检能力与用户设备跨度内公共搜索空间CSS盲检开销的差。
本公开实施例提供了一种接收下行控制信息的装置，此装置应用于用户设备。此装置包括：
确定模块，被配置为响应于所述跨度中前M-1个时隙上的所有用户设备特定搜索空间USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于所述用户设备跨度内USS盲检能力，确定所述跨度中第M个时隙为PDCCH超额预定对应的时隙；其中，M是大于1的整数。
处理模块，被配置为在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，按照USS的索引从大到小的顺序丢弃所述PDCCH超额预定对应的时隙上的至少一USS，在所述PDCCH超额预定对应的时隙上剩余的USS上进行盲检；禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
本公开实施例提供了一种接收下行控制信息的装置，此装置应用于用户设备。此装置包括：
确定模块，被配置为响应于所述跨度中前M-1个时隙上的所有用户设备特定搜索空间USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于所述用户设备跨度内USS盲检能力，确定所述跨度中第M个时隙为PDCCH超额预定对应的时隙；其中，M是大于1的整数。
处理模块，被配置为在所述跨度中所述PDCCH超额预定对应的时隙之前 的时隙上执行盲检；按照USS的索引从大到小的顺序依次丢弃所述PDCCH超额预定对应的时隙上的USS，直至所述跨度中前M个时隙上剩余的所有USS的PDCCH盲检开销之和小于或等于用户设备跨度内USS盲检能力,在所述PDCCH超额预定对应的时隙上剩余的USS上进行盲检；禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
本公开实施例提供了一种接收下行控制信息的装置，此装置应用于用户设备。此装置包括：
确定模块，被配置为响应于所述跨度中前M-1个时隙上的所有用户设备特定搜索空间USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和等于所述用户设备跨度内USS盲检能力，确定所述跨度中第M个时隙为PDCCH超额预定对应的时隙；其中，M是大于1的整数。
处理模块，被配置为在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检；在所述PDCCH超额预定对应的时隙上所有的USS上进行盲检；禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
本公开实施例提供了一种接收下行控制信息的装置，此装置应用于用户设备。此装置包括：
确定模块，被配置为确定跨度中PDCCH超额预定对应的时隙；所述跨度中PDCCH超额预定对应的时隙的索引值是设定值。其中，所述跨度包括一个以上的时隙。
处理模块，被配置为在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
本公开实施例提供了一种接收下行控制信息的装置，此装置应用于用户设备。此装置包括：
确定模块，被配置为确定跨度中PDCCH超额预定对应的时隙；所述跨度中PDCCH超额预定对应的时隙的索引值与所述跨度中包含的时隙的总数量的比值属于设定区间。其中，所述跨度包括一个以上的时隙。
处理模块，被配置为在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
图3是根据一示例性实施例示出的一种接收下行控制信息的装置300的框图。例如，装置300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3，装置300可以包括以下一个或多个组件：处理组件302，存储器304，电源组件306，多媒体组件308，音频组件310，输入/输出(I/O)的接口312，传感器组件314，以及通信组件316。
处理组件302通常控制装置300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302可以包括一个或多个处理器320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302可以包括一个或多个模块，便于处理组件302和其他组件之间的交互。例如，处理组件302可以包括多媒体模块，以方便多媒体组件308和处理组件302之间的交互。
存储器304被配置为存储各种类型的数据以支持在设备300的操作。这些数据的示例包括用于在装置300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304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。
电源组件306为装置300的各种组件提供电力。电源组件306可以包括电源管理系统，一个或多个电源，及其他与为装置300生成、管理和分配电力相关联的组件。
多媒体组件308包括在所述装置300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308包括一个前置摄像头和/或后置摄像头。当设备300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310被配置为输出和/或输入音频信号。例如，音频组件310包括一个麦克风(MIC)，当装置300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304或经由通信组件316发送。在一些实施例中，音频组件310还包括一个扬声器，用于输出音频信号。
I/O接口312为处理组件302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314包括一个或多个传感器，用于为装置300提供各个方面的状态评估。例如，传感器组件314可以检测到设备300的打开/关闭状态，组件的相对定位，例如所述组件为装置300的显示器和小键盘，传感器组件314还可以检测装置300或装置300一个组件的位置改变，用户与装置300接触的存在或不存在，装置300方位或加速/减速和装置300的温度变化。传感器组件314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314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314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316被配置为便于装置300和其他设备之间有线或无线方式的通信。装置300可以接入基于通信标准的无线网络，如WiFi，2G或3G，或它们的组合。在一个示例性实施例中，通信组件316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316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300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304，上述指令可由装置300的处理器320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。
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
当发生PDCCH超额预定时，用户设备会尽量盲检跨度中位置靠前的时隙上的USS,丢弃位置靠后的时隙上的USS，从而使用户设备在接收完PDCCH后，可以尽早进入节能模式，提高用户设备的节能能力。

Claims (13)

  1. 一种接收下行控制信息的方法，应用于用户设备，包括：
    确定跨度中PDCCH超额预定对应的时隙；其中，所述跨度包括一个以上的时隙；
    在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
  2. 如权利要求1所述的接收下行控制信息的方法，其中，
    所述确定跨度中PDCCH超额预定对应的时隙，包括：
    响应于所述跨度中前M-1个时隙上的所有用户设备特定搜索空间USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于或等于所述用户设备跨度内USS盲检能力，确定所述跨度中第M个时隙为PDCCH超额预定对应的时隙；
    其中，M是大于1的整数。
  3. 如权利要求2所述的接收下行控制信息的方法，其中，
    所述用户设备跨度内USS盲检能力包括预设的用户设备跨度内盲检能力与用户设备跨度内公共搜索空间CSS盲检开销的差。
  4. 如权利要求2所述的接收下行控制信息的方法，其中，
    所述在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，包括：
    响应于所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于用户设备跨度内USS盲检能力，按照USS的索引从大到小的顺序丢弃所述PDCCH超额预定对应的时隙上的至少一USS。
  5. 如权利要求2或4所述的接收下行控制信息的方法，其中，
    所述在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，包括：
    响应于所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于用户设备跨度内USS盲检能力，按照USS的索引从大到小的顺序依次丢弃所述PDCCH超额预定对应的时隙上的USS，直至所述跨度中前M个时隙上剩余的所有USS的PDCCH盲检开销之和小于或等于用户设备跨度内USS盲检能力。
  6. 如权利要求4或5所述的接收下行控制信息的方法，其中，
    所述在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，包括：
    在所述PDCCH超额预定对应的时隙上剩余的USS上进行盲检。
  7. 如权利要求1所述的接收下行控制信息的方法，其中，
    所述在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，包括：
    响应于所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和等于用户设备跨度内USS盲检能力，在所述PDCCH超额预定对应的时隙上所有的USS上进行盲检。
  8. 如权利要求1所述的接收下行控制信息的方法，其中，
    所述确定跨度中PDCCH超额预定对应的时隙，包括：
    所述跨度中PDCCH超额预定对应的时隙的索引值是设定值。
  9. 如权利要求1所述的接收下行控制信息的方法，其中，
    所述确定跨度中PDCCH超额预定对应的时隙，包括：
    所述跨度中PDCCH超额预定对应的时隙的索引值与所述跨度中包含的时隙的总数量的比值属于设定区间。
  10. 一种接收下行控制信息的装置，应用于用户设备，包括：
    确定模块，被配置为确定跨度中PDCCH超额预定对应的时隙；其中，所述跨度包括一个以上的时隙；
    处理模块，被配置为在所述跨度中所述PDCCH超额预定对应的时隙之前的时隙上执行盲检，在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检，禁止在所述跨度中所述PDCCH超额预定对应的时隙之后的时隙上执行盲检。
  11. 如权利要求10所述的接收下行控制信息的装置，其中，
    处理模块，被配置为使用以下方法在所述跨度中所述PDCCH超额预定对应的时隙上执行盲检：
    响应于所述跨度中前M-1个时隙上的所有用户设备特定搜索空间USS的PDCCH盲检开销之和小于用户设备跨度内USS盲检能力，所述跨度中前M个时隙上的所有USS的PDCCH盲检开销之和大于或等于所述用户设备跨度内USS盲检能力，确定所述跨度中第M个时隙为PDCCH超额预定对应的时隙。
  12. 一种用户设备，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为执行所述存储器中的可执行指令以实现权利要求1至9中任一项所述接收下行控制信息的方法的步骤。
  13. 一种非临时性计算机可读存储介质，其上存储有可执行指令，该可执行指令被处理器执行时实现权利要求1至9中任一项所述接收下行控制信息的方法的步骤。
PCT/CN2021/076310 2021-02-09 2021-02-09 一种接收下行控制信息的方法、装置、设备及存储介质 WO2022170499A1 (zh)

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