WO2018228314A1 - 下行控制信息的发送方法、接收方法及相关设备 - Google Patents

下行控制信息的发送方法、接收方法及相关设备 Download PDF

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Publication number
WO2018228314A1
WO2018228314A1 PCT/CN2018/090599 CN2018090599W WO2018228314A1 WO 2018228314 A1 WO2018228314 A1 WO 2018228314A1 CN 2018090599 W CN2018090599 W CN 2018090599W WO 2018228314 A1 WO2018228314 A1 WO 2018228314A1
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Prior art keywords
load size
aggregation level
downlink control
control information
load
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PCT/CN2018/090599
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English (en)
French (fr)
Inventor
沈晓冬
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维沃移动通信有限公司
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Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Priority to US16/622,688 priority Critical patent/US11251902B2/en
Priority to EP18817250.6A priority patent/EP3641446B1/en
Priority to ES18817250T priority patent/ES2955064T3/es
Publication of WO2018228314A1 publication Critical patent/WO2018228314A1/zh
Priority to US17/498,182 priority patent/US11716167B2/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027Scheduling of signalling, e.g. occurrence thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0036Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • H04L1/0038Blind format detection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Arrangements for allocating sub-channels of the transmission path allocation of payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W80/00Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08Upper layer protocols

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method, a receiving method, and a related device for transmitting downlink control information.
  • the Physical Downlink Shared Channel may be used to indicate a Physical Downlink Shared Channel (PDSCH) scheduling corresponding to a User Equipment (UE), or a physical uplink shared channel to be transmitted (Physical) Uplink Shared Channel, PUSCH) scheduled time-frequency resources and transmission parameters, etc., but to obtain such information, the UE needs to detect the PDCCH first.
  • PDSCH Physical Downlink Shared Channel
  • PUSCH Physical Uplink Shared Channel
  • the UE Since the PDCCH is transmitted by the base station, and the UE has not received other information except some system information, the UE does not know the number, location, and downlink control of the Control Channel Element (CCE) occupied by the PDCCH.
  • CCE Control Channel Element
  • DCI Downlink Control Information
  • the DCI and blind detection related configuration does not take into account the DCI's Payload Size.
  • LTE Long Term Evolution
  • LTE does not distinguish between different DCI load sizes, that is, DCIs of different load sizes are configured with the same number of blind detections.
  • an embodiment of the present disclosure provides a method for transmitting downlink control information, which is used in a base station, where the sending method includes:
  • the embodiment of the present disclosure further provides a method for receiving downlink control information, which is used in a mobile communication terminal, and the receiving method includes:
  • an embodiment of the present disclosure further provides a base station, where the base station includes:
  • a determining module configured to determine configuration information of the downlink control information to be sent by using a correspondence between the aggregation level of the downlink control information and/or the number of blind detections corresponding to the aggregation level and the load size of the downlink control information;
  • a configuration module configured to configure, by using the configuration information, the downlink control information to be sent;
  • the first sending module is configured to send the downlink control information to be sent to the mobile communication terminal.
  • an embodiment of the present disclosure further provides a mobile communication terminal, where the mobile communication terminal includes:
  • a first determining module configured to determine one or several possible load sizes of the downlink control information to be received
  • a second determining module configured to determine configuration information corresponding to the possible load size
  • the first receiving module is configured to receive the downlink control information to be received sent by the base station according to the configuration information.
  • an embodiment of the present disclosure further provides a base station, including a memory, a processor, and a computer program stored on the memory and operable on the processor, where the processor implements the foregoing The method of transmitting the downlink control information.
  • an embodiment of the present disclosure further provides a mobile communication terminal, including a memory, a processor, and a computer program stored on the memory and operable on the processor, when the processor executes the program
  • a mobile communication terminal including a memory, a processor, and a computer program stored on the memory and operable on the processor, when the processor executes the program
  • the embodiment of the present disclosure further provides a computer readable storage medium, where the computer program is stored, and when the program is executed by the processor, the method for transmitting the downlink control information is implemented, or the downlink control information is implemented. Receiving method.
  • FIG. 1 is a flowchart of a method for transmitting downlink control information according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of a method for receiving downlink control information according to an embodiment of the present disclosure
  • FIG. 3 is a structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 4 is a structural diagram of a base station according to another embodiment of the present disclosure.
  • FIG. 5 is a structural diagram of a mobile communication terminal according to an embodiment of the present disclosure.
  • FIG. 6 is a structural diagram of a mobile communication terminal according to another embodiment of the present disclosure.
  • FIG. 7 is a structural diagram of a base station according to another embodiment of the present disclosure.
  • FIG. 8 is a structural diagram of a mobile communication terminal according to another embodiment of the present disclosure.
  • the embodiment of the present disclosure provides a method for transmitting downlink control information, where the sending method is used for a base station.
  • the method for transmitting downlink control information in the embodiment of the present disclosure determines the configuration information of the downlink control information to be sent by using the correspondence between the aggregation level of the downlink control information and/or the number of blind detections corresponding to the aggregation level and the load size of the downlink control information.
  • the number of the blind detections corresponding to the aggregation level of the downlink control information and/or the aggregation level is related to the load size of the downlink control information, and the downlink control information is not considered when the downlink control information is configured in the related art.
  • a new downlink control information configuration mode improves the flexibility of downlink control information configuration.
  • FIG. 1 is a flowchart of a method for transmitting downlink control information according to an embodiment of the present disclosure. As shown in FIG. 1 , the method includes the following steps:
  • Step 101 Determine the configuration information of the downlink control information to be sent by using the correspondence between the number of blind detections corresponding to the aggregation level and/or the aggregation level of the downlink control information and the load size of the downlink control information.
  • the Aggregation Level indicates the number of Control Channel Elements (CCEs) occupied by a Physical Downlink Shared Channel (PDCCH).
  • the PDCCH blind detection may have multiple aggregation levels, such as the aggregation level corresponding to the aggregation level ⁇ 1, 2, 4, 8 ⁇ .
  • the number of blind detections corresponding to the aggregation level is used to represent the number of PDCCH candidate spaces (ie, PDCCH Candidates) corresponding to the aggregation level in the search space.
  • the foregoing aggregation levels 1, 2, 4, and 8 are merely examples of the current LTE system, but it should be understood that the number of aggregation levels according to different needs and evolution of the system. More can be, the level of aggregation can be larger, not detailed here.
  • the number of blind detections corresponding to the aggregation level and/or the aggregation level of the downlink control information is related to the load size of the downlink control information.
  • the downlink control information of different load sizes may be configured to support different aggregation levels, or different blind detection times may be configured for the same aggregation level corresponding to downlink control information of different load sizes.
  • Step 102 Configure the downlink control information to be sent by using the configuration information.
  • Step 103 Send the downlink control information to be sent to the mobile communication terminal.
  • the Downlink Control Information includes DCI1 with a load size of 60 bits and DCI2 with a load size of 90 bits.
  • the number of candidate spaces corresponding to aggregation level 1 is 6, the number of candidate spaces corresponding to aggregation level 2 is 6, the number of candidate spaces corresponding to aggregation level 4 is 2, and the number of candidate spaces corresponding to aggregation level 8 is 2.
  • the number of candidate spaces corresponding to the aggregation level 16 is 2, and the total number of blind detections corresponding to DCI1 shown in Table 1 above is 16, and the total number of blind detections corresponding to DCI 2 is 12.
  • the Downlink Control Information includes DCI1 with a payload size of 60 bits and DCI2 with a load of 90 bits.
  • the number of blind detections corresponding to 8 is 6, 6, 2, and 2, and the total number of blind detections is 16.
  • DCIs of different load sizes support the same aggregation level, and the same aggregation level corresponds to the same number of blind detections.
  • the aggregation level 1, the aggregation level 2, the aggregation level 4, and the aggregation level 8 are both In order, they are 6, 6, 2, and 2.
  • this implementation can reduce the number of blind detections required for DCI of higher load size.
  • the configuration information of the downlink control information to be sent is determined by using the correspondence between the number of blind detections corresponding to the aggregation level and/or the aggregation level of the downlink control information and the load size of the downlink control information; And configuring the downlink control information to be sent; and sending the downlink control information to be sent to the mobile communication terminal.
  • the number of blind detections corresponding to the aggregation level and/or the aggregation level of the downlink control information is related to the load size of the downlink control information, and is different from the load size of the downlink control information when the downlink control information is configured in the related art.
  • a new downlink control information configuration mode is adopted to improve the flexibility of downlink control information configuration.
  • the mobile communication terminal needs to perform blind detection of the PDCCH according to the correspondence between the aggregation detection level corresponding to the aggregation level and/or the aggregation level of the downlink control information and the load size of the downlink control information, and the corresponding
  • the relationship may be pre-stored in the mobile communication terminal according to relevant regulations in the standard, and may be directly read when needed.
  • the corresponding relationship may be sent by the base station to the mobile communication terminal by using the high layer signaling at each use. Since the corresponding relationship is sent in real time, the corresponding relationship that is delivered each time can be changed according to the difference of the current actual situation, and the flexibility is improved.
  • the method for transmitting downlink control information in the embodiment of the present disclosure further includes: transmitting the correspondence to the mobile communication terminal.
  • the base station may send the correspondence between the blind detection number corresponding to the aggregation level and/or the aggregation level of the downlink control information and the load size of the downlink control information to the mobile communication terminal, so that the mobile communication terminal can respond according to the correspondence.
  • the relationship obtains the configuration information associated with the aggregation level of the downlink control information to be sent, and performs blind detection based on the configuration information associated with the aggregation level of the downlink control information to be sent.
  • the correspondence is sent by using a control resource set.
  • a Control Resource Set represents a set of time-frequency resources, and is composed of a group of Resource Element Groups (REGs).
  • the corresponding relationship in this embodiment can be sent to the mobile communication terminal by controlling the resource set to improve the diversity and flexibility of the corresponding relationship transmission.
  • control resource set is defined as follows:
  • the control resource set is defined as a set of REGs under a given parameter (Numerology), and the control search space includes at least the following attributes: aggregation level; number of decoding candidate spaces per aggregation level; a set of CCEs for each decoding candidate space .
  • the following attributes may belong to the control resource set: transmission/diversity scheme; CCE to REG mapping; pilot structure; physical resource block (PRB) bundle size (Bundling size).
  • the PDCCH candidate space is composed of a group of CCEs, and the CCE is composed of a group of REGs.
  • the REG is a resource block (Resource Block, RB);
  • New Radio supports at least the following features:
  • eMBB Enhanced Mobile Broadband
  • OFDM Orthogonal Frequency Division Multiplexing
  • MU-MIMO Multi In addition to -User Multiple-Input Multiple-Output
  • channel estimation for one RE should be at least the same control resource set and search space type (common Reusable in multiple blind decodings involving the RE in UE-specific);
  • the temporal downlink data demodulation reference signal (DMRS) position is not dynamically changed with respect to the start of the time slot.
  • the time-frequency position configuration of the CORESET can be notified by one or more of the following combinations:
  • the time-frequency position configuration information of CORESET can be notified through high-level signaling; or
  • the time-frequency position configuration information of CORESET can be notified through a broadcast channel, system information, etc.; or
  • the time-frequency position configuration information of the CORESET may be pre-defined based on one or more information, such as according to system bandwidth, subcarrier spacing, antenna configuration, carrier frequency.
  • the CORESET can be pre-configured, and the DCI of the load size of the CORESET needs to be detected, and the aggregation level of each DCI of the load size and the number of blind detections corresponding to each aggregation level are specified.
  • the length of the DCI corresponding to each CORESET, and the aggregation level to be detected by each DCI and the number of blind detections corresponding to each aggregation level may be pre-configured, and may be sent to the mobile communication terminal through high layer signaling, thereby The mobile communication terminal can learn the possible DCI by blind detection according to the mapping relationship between the pre-configured CORESET and the DCI length, and the aggregation level to be detected by each DCI and the number of blind detections corresponding to each aggregation level.
  • the mobile communication terminal receives the control resource set sent by the base station, determines a possible load size of the DCI to be received according to the control resource set, and determines configuration information corresponding to the possible load size, so that the mobile communication terminal can correspond to the possible load size.
  • the configuration information is received to receive the DCI.
  • the DCI length is associated with CORESET, and the DCI length may be changed every time slot.
  • the DCI length of the PDCCH detected on the kth CORESET on each time slot is related to the CORESET, where k Is a positive integer.
  • control resource set is transmitted by using high layer signaling.
  • the number of blind detections corresponding to the aggregation level and/or the aggregation level of the downlink control information is related to the load size of the downlink control information, and may be various manners, such as:
  • the manner in which the load size is larger and the number of candidate spaces is smaller is selected. That is, in the corresponding relationship, the first quantity is smaller than the second quantity, and the first quantity is: the number of search spaces corresponding to all aggregation levels corresponding to the larger load size of the first load size and the second load size And the second quantity is a sum of the number of search spaces corresponding to all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the number of search spaces corresponding to all aggregation levels corresponding to DCIs of different load sizes is different. Specifically, the smaller the number of search spaces corresponding to all the aggregation levels corresponding to the DCI with larger load size can be set. For example, if the DCI includes DCI1 with a load size of 60 bits and DCI2 with a load size of 90 bits, the number of search spaces corresponding to all aggregation levels corresponding to DCI2 may be set smaller than the number of search spaces corresponding to all aggregation levels corresponding to DCI1.
  • the number of search spaces corresponding to all aggregation levels corresponding to DCI2 can be set smaller than all aggregation levels corresponding to DCI1.
  • the number of search spaces, the number of search spaces corresponding to all aggregation levels corresponding to DCI3 is set to be smaller than the number of search spaces corresponding to all aggregation levels corresponding to DCI2.
  • the type of the DCI load size in this embodiment is not limited to the first load size and the second load size, that is, DCI of three or more load sizes may be used. Specifically, the type of the DCI load size may be implicitly determined according to other parameters, or the type of the DCI load size may be explicitly determined according to a network configuration or a protocol convention.
  • the larger the guaranteed load size, the smaller the number of candidate spaces can be implemented in multiple manners, which are respectively described as follows.
  • the number of candidate spaces corresponding to the same aggregation level is the same, the first aggregation level is greater than the second aggregation level, and the first aggregation level is the first load size and the second load size.
  • the maximum aggregation level of all the aggregation levels corresponding to the large load size, and the second aggregation level is the maximum aggregation level among all the aggregation levels corresponding to the smaller load sizes of the first load size and the second load size.
  • the number of candidate spaces corresponding to the same aggregation level is the same.
  • the number of candidate spaces corresponding to aggregation level 1 is 6, the number of candidate spaces corresponding to aggregation level 2 is 6, and the candidate space corresponding to aggregation level 4 is The number of candidate spaces corresponding to aggregation level 8 is 2, and the number of candidate spaces corresponding to aggregation level 16 is 2.
  • DCIs of different load sizes support different aggregation levels.
  • the larger the aggregation level among all the aggregation levels corresponding to the DCI with the larger load size can be set, so that the DCI can be transmitted through a larger aggregation level as much as possible to reduce the number of blind detections.
  • the DCI includes a DCI with a load of 60 bits and a DCI with a load of 90 bits. If the frequency of use of DCI1 is greater than that of DCI2, the maximum aggregation level of all aggregation levels corresponding to DCI2 may be greater than the maximum aggregation of all aggregation levels corresponding to DCI1.
  • the maximum aggregation level of all aggregation levels corresponding to DCI2 can be set to be greater than the maximum of all aggregation levels corresponding to DCI1.
  • the aggregation level may be set to be greater than the maximum aggregation level of all aggregation levels corresponding to DCI2 in the maximum aggregation level of all aggregation levels corresponding to DCI3.
  • the type of the DCI load size in this embodiment is not limited to the first load size and the second load size, that is, DCI of three or more load sizes may be used. Specifically, the type of the DCI load size may be implicitly determined according to other parameters, or the type of the DCI load size may be explicitly determined according to a network configuration or a protocol convention.
  • the number of candidate spaces corresponding to aggregation level 1 is 6, the number of candidate spaces corresponding to aggregation level 2 is 6, the number of candidate spaces corresponding to aggregation level 4 is 2, and the number of candidate spaces corresponding to aggregation level 8 is 2.
  • the number of candidate spaces corresponding to the aggregation level 16 is 2, and the frequency of use of the DCI 1 is greater than that of the DCI 2, and the corresponding relationship is as shown in Tables 3 to 5, respectively.
  • the DCI includes DCI1 with a load size of 60 bits and DCI2 with a load size of 90 bits.
  • the maximum aggregation level of all aggregation levels corresponding to DCI2 is greater than the maximum aggregation level of all aggregation levels corresponding to DCI1, the total number of candidate spaces corresponding to DCI1 is 16, and the total number of candidate spaces corresponding to DCI2 is 12. That is, the total number of blind detections corresponding to DCI2 is less than the total number of blind detections corresponding to DCI1.
  • the DCI includes DCI1 with a load size of 60 bits and DCI2 with a load size of 90 bits.
  • the maximum aggregation level of all aggregation levels corresponding to DCI2 is greater than the maximum aggregation level of all aggregation levels corresponding to DCI1, the total number of candidate spaces corresponding to DCI1 is 16, and the total number of candidate spaces corresponding to DCI2 is 6. That is, the total number of blind detections corresponding to DCI2 is less than the total number of blind detections corresponding to DCI1.
  • the DCI includes DCI1 with a load size of 60 bits and DCI2 with a load size of 90 bits.
  • the maximum aggregation level of all aggregation levels corresponding to DCI2 is greater than the maximum aggregation level of all aggregation levels corresponding to DCI1, the total number of candidate spaces corresponding to DCI1 is 16, and the total number of candidate spaces corresponding to DCI2 is 12. That is, the total number of blind detections corresponding to DCI2 is less than the total number of blind detections corresponding to DCI1.
  • the third aggregation level is greater than the fourth aggregation level, where the third aggregation level is the smallest of all aggregation levels corresponding to the larger load size of the first load size and the second load size.
  • Aggregation level wherein the fourth aggregation level is a minimum aggregation level of all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the DCI corresponding to the minimum aggregation level of all the aggregation levels corresponding to the DCI of the larger load size may be corresponding to the DCI of the smaller load size.
  • the number of candidate spaces (search times) corresponding to the same AL is the same according to different DCI load sizes, but in another mode of the specific embodiment of the present disclosure, corresponding to different DCI load sizes, The same AL configures a different number of candidate spaces to reduce the number of searches.
  • the number of candidate spaces corresponding to the larger load size of the first load size and the second load size is less than or equal to the first load size and the second load size.
  • a small load size corresponding to the number of candidate spaces, and at least one aggregation level, corresponding to the at least one aggregation level, the larger the load size of the first load size and the second load size, the number of candidate spaces corresponding to the first load is smaller than the first load The number of candidate spaces corresponding to the smaller load size of the size and the second load size.
  • the number of candidate spaces corresponding to the same aggregation level corresponding to DCIs of different load sizes is different. Specifically, since the DCI with a larger load size has a lower probability of using a lower aggregation level, the number of candidate spaces corresponding to the lower aggregation level can be set smaller.
  • the number of blind detections corresponding to aggregation level 1 and aggregation level 2 corresponding to DCI 2 is 0 and 2, respectively, so that the total number of blind detections of DCI2 is smaller than the total number of blind detections of DCI1, compared with related technologies.
  • the total number of blind detections of the DCI2 is reduced, and in particular, the number of blind detections of the lower aggregation level is reduced, thereby reducing the power consumption of the mobile communication terminal.
  • the type of the DCI load size in this embodiment is not limited to the first load size and the second load size, that is, DCI of three or more load sizes may be used.
  • the embodiment of the present disclosure further provides a method for receiving downlink control information, which is used in a mobile communication terminal.
  • 2 is a flowchart of a method for receiving downlink control information according to an embodiment of the present disclosure. As shown in FIG. 2, the method for receiving downlink control information includes the following steps:
  • Step 201 Determine one or several possible load sizes of the downlink control information to be received.
  • the downlink control information to be received may include a possible load size, for example, DCI1 with a load size of 60 bits or DCI2 with a load size of 90 bits; the downlink control information to be received may also include multiple possible loads.
  • the size, for example, the downlink control information to be received may include DCI1 with a payload size of 60 bits and DCI2 with a load size of 90 bits.
  • Step 202 Determine configuration information corresponding to the possible load size.
  • the base station may configure corresponding configuration information for DCIs of different load sizes and send the configuration information to the mobile communication terminal.
  • the mobile communication terminal can perform blind detection in the search space according to the configuration information to obtain downlink control information to be received.
  • Step 203 Receive the downlink control information to be received sent by the base station according to the configuration information.
  • the method for receiving downlink control information in the embodiment of the present disclosure determines one or several possible load sizes of the downlink control information to be received, determines configuration information corresponding to the possible load size, and receives the base station according to the configuration information.
  • the downlink control information to be received sent.
  • the configuration information corresponding to the downlink control information of different load sizes is configured, and the downlink control information to be received is received according to the configuration information, and the downlink control information is not considered in the related art, and the load size of the downlink control information is not considered.
  • the method for receiving the downlink control information further includes: receiving, by the base station, a control resource set corresponding to a load size of the downlink control information to be received, where the control resource records the downlink control information to be received Configuration information associated with the aggregation level;
  • the step of determining a possible load size of the downlink control information to be received includes: determining the possible load size according to the control resource set;
  • the step of determining the configuration information corresponding to the possible load size comprises: determining the configuration information by parsing the control resource set.
  • the configuration information associated with the aggregation level of the downlink control information to be sent may include an aggregation level to be detected by the DCI and a blind detection number corresponding to each aggregation level.
  • the CORESET can be pre-configured, and the DCI corresponding to the CORESET corresponding to the CORESET needs to be detected, and the aggregation level of each DCI of each load size and the blind detection corresponding to each aggregation level can be further specified. frequency.
  • the base station may pre-configure the DCI length (ie, the load size) corresponding to each CORESET, and the aggregation level to be detected by each DCI and the number of blind detections corresponding to each aggregation level, and may be sent to the mobile through high layer signaling.
  • the communication terminal so that the mobile communication terminal can learn the possible DCI by blind detection according to the mapping relationship between the pre-configured CORESET and the DCI length, and the aggregation level to be detected by each DCI and the number of blind detections corresponding to each aggregation level. .
  • the mobile communication terminal can quickly determine the possible load size and configuration information of the downlink control information to be received by using the control resource set, and perform blind detection based on the configuration information to obtain the downlink control information to be received.
  • control resource set is transmitted by using high layer signaling.
  • the determining the configuration information corresponding to the possible load size includes: a correspondence between a blind detection number corresponding to an aggregation level and/or an aggregation level of the downlink control information and a load size of the downlink control information, where Determining configuration information corresponding to the possible load size.
  • the configuration information associated with the aggregation level of the downlink control information is related to the load size of the downlink control information and the load size of the downlink control information.
  • the downlink control information of different load sizes may be configured to support different aggregation levels, or different blind detection times may be configured for the same aggregation level corresponding to downlink control information of different load sizes.
  • DCI1 corresponds to aggregation level 1, aggregation level 2, aggregation level 4, and aggregation level 8
  • DCI 2 corresponds to aggregation level 2, aggregation level 4, aggregation level 8, and aggregation level 16.
  • the number of blind detections corresponding to aggregation level 1, aggregation level 2, aggregation level 4, and aggregation level 8 corresponding to DCI1 is 6, 6, 2, and 2, and the total number of blind detections is 16, DCI 2
  • the number of blind detections corresponding to the aggregation level 1, aggregation level 2, aggregation level 4, and aggregation level 8 are 2, 4, 2, and 2, respectively, and the total number of blind detections is 10.
  • DCIs of different load sizes support the same aggregation level, and the same aggregation level corresponds to the same number of blind detections.
  • the aggregation level 1, the aggregation level 2, the aggregation level 4, and the aggregation level 8 are both In order, they are 6, 6, 2, and 2.
  • this implementation can reduce the number of blind detections required for DCI of higher load size.
  • the first quantity is smaller than the second quantity, and the first quantity is: a search space corresponding to all aggregation levels corresponding to a larger load size of the first load size and the second load size.
  • the sum of the quantity is: the sum of the number of search spaces corresponding to all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the number of search spaces corresponding to all aggregation levels corresponding to DCIs of different load sizes is different. Specifically, the smaller the number of search spaces corresponding to all the aggregation levels corresponding to the DCI with larger load size can be set.
  • the number of search spaces corresponding to all aggregation levels corresponding to DCI2 may be set smaller than the number of search spaces corresponding to all aggregation levels corresponding to DCI1; If the DCI includes DCI with a load size of 60 bits, DCI2 with a load of 90 bits, and DCI3 with a load of 120 bits, the number of search spaces corresponding to all aggregation levels corresponding to DCI2 can be set smaller than all aggregation levels corresponding to DCI1.
  • the number of search spaces, the number of search spaces corresponding to all aggregation levels corresponding to DCI3 is set to be smaller than the number of search spaces corresponding to all aggregation levels corresponding to DCI2.
  • the type of the DCI load size in this embodiment is not limited to the first load size and the second load size, that is, DCI of three or more load sizes may be used. Specifically, the type of the DCI load size may be implicitly determined according to other parameters, or the type of the DCI load size may be explicitly determined according to a network configuration or a protocol convention.
  • the same aggregation level corresponds to the same number of candidate spaces
  • the first aggregation level is greater than the second aggregation level, where the first aggregation level is larger than the first load size and the second load size.
  • the load size corresponds to a maximum aggregation level among all aggregation levels
  • the second aggregation level is a maximum aggregation level among all aggregation levels corresponding to the smaller ones of the first load size and the second load size.
  • the number of candidate spaces corresponding to the same aggregation level is the same.
  • the number of candidate spaces corresponding to aggregation level 1 is 6, the number of candidate spaces corresponding to aggregation level 2 is 6, and the candidate space corresponding to aggregation level 4 is The number of candidate spaces corresponding to aggregation level 8 is 2, and the number of candidate spaces corresponding to aggregation level 16 is 2.
  • DCIs of different load sizes support different aggregation levels.
  • the larger the aggregation level among all the aggregation levels corresponding to the DCI with the larger load size can be set, so that the DCI can be transmitted through a larger aggregation level as much as possible to reduce the number of blind detections.
  • the maximum aggregation level of all aggregation levels corresponding to DCI2 can be set to be greater than the maximum aggregation level of all aggregation levels corresponding to DCI1, if the DCI includes the load size.
  • the maximum aggregation level of all aggregation levels corresponding to DCI2 can be set to be greater than the maximum aggregation level of all aggregation levels corresponding to DCI1, and DCI3 can be corresponding.
  • the maximum aggregation level of all aggregation levels is greater than the maximum aggregation level of all aggregation levels corresponding to DCI2.
  • this embodiment can not only flexibly configure the aggregation levels corresponding to DCIs of different load sizes, but also reduce the number of blind detections of DCIs with larger load sizes.
  • the type of the DCI load size in this embodiment is not limited to the first load size and the second load size, that is, DCI of three or more load sizes may be used. Specifically, the type of the DCI load size may be implicitly determined according to other parameters, or the type of the DCI load size may be explicitly determined according to a network configuration or a protocol convention.
  • the third aggregation level is greater than the fourth aggregation level, where the third aggregation level is the smallest of all aggregation levels corresponding to the larger load size of the first load size and the second load size.
  • Aggregation level wherein the fourth aggregation level is a minimum aggregation level of all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the DCI corresponding to the minimum aggregation level of all the aggregation levels corresponding to the DCI of the larger load size may be corresponding to the DCI of the smaller load size.
  • the number of candidate spaces corresponding to the larger load size of the first load size and the second load size is less than or equal to the first load size and the second load size.
  • a small load size corresponding to the number of candidate spaces, and at least one aggregation level, corresponding to the at least one aggregation level, the larger the load size of the first load size and the second load size, the number of candidate spaces corresponding to the first load is smaller than the first load The number of candidate spaces corresponding to the smaller load size of the size and the second load size.
  • the number of candidate spaces corresponding to the same aggregation level corresponding to DCIs of different load sizes is different. Specifically, since the DCI with a larger load size has a lower probability of using a lower aggregation level, the number of candidate spaces corresponding to the lower aggregation level can be set smaller.
  • the number of blind detections corresponding to aggregation level 1 and aggregation level 2 corresponding to DCI 2 is 0 and 2, respectively, so that the total number of blind detections of DCI2 is smaller than the total number of blind detections of DCI1, compared with related technologies.
  • the total number of blind detections of the DCI2 is reduced, and in particular, the number of blind detections of the lower aggregation level is reduced, thereby reducing the power consumption of the mobile communication terminal.
  • FIG. 3 is a schematic diagram of a base station according to an embodiment of the present disclosure.
  • the base station 300 includes a determining module 301, a configuration module 302, and a first sending module 303, where:
  • a determining module 301 configured to determine configuration information of the downlink control information to be sent, by using a correspondence between the number of blind detections corresponding to the aggregation level and/or the aggregation level of the downlink control information and the load size of the downlink control information;
  • the configuration module 302 is configured to configure the downlink control information to be sent by using the configuration information.
  • the first sending module 303 is configured to send the downlink control information to be sent to the mobile communication terminal.
  • the base station 300 further includes: a second sending module 304, configured to send the correspondence to the mobile communication terminal.
  • the correspondence is sent by using a control resource set.
  • control resource set is transmitted by using high layer signaling.
  • the first quantity is smaller than the second quantity, and the first quantity is: a search space corresponding to all aggregation levels corresponding to a larger load size of the first load size and the second load size.
  • the sum of the quantity is: the sum of the number of search spaces corresponding to all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the same aggregation level corresponds to the same number of candidate spaces
  • the first aggregation level is greater than the second aggregation level, where the first aggregation level is larger than the first load size and the second load size.
  • the load size corresponds to a maximum aggregation level among all aggregation levels
  • the second aggregation level is a maximum aggregation level among all aggregation levels corresponding to the smaller ones of the first load size and the second load size.
  • the third aggregation level is greater than the fourth aggregation level, where the third aggregation level is the smallest of all aggregation levels corresponding to the larger load size of the first load size and the second load size.
  • Aggregation level wherein the fourth aggregation level is a minimum aggregation level of all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the number of candidate spaces corresponding to the larger load size of the first load size and the second load size is less than or equal to the first load size and the second load size.
  • a small load size corresponding to the number of candidate spaces, and at least one aggregation level, corresponding to the at least one aggregation level, the larger the load size of the first load size and the second load size, the number of candidate spaces corresponding to the first load is smaller than the first load The number of candidate spaces corresponding to the smaller load size of the size and the second load size.
  • the base station 300 of the embodiment of the present disclosure determines the configuration information of the downlink control information to be sent by the determining module 301 by using the correspondence between the aggregation level of the downlink control information and/or the number of blind detections corresponding to the aggregation level and the load size of the downlink control information.
  • the configuration module 302 configures the downlink control information to be sent by using the configuration information; the first sending module 303 sends the downlink control information to be sent to the mobile communication terminal.
  • the number of blind detections corresponding to the aggregation level and/or the aggregation level of the downlink control information is related to the load size of the downlink control information, and is different from the load size of the downlink control information when the downlink control information is configured in the prior art.
  • a new downlink control information configuration mode is provided, which improves the flexibility of downlink control information configuration.
  • FIG. 5 is a schematic diagram of a mobile communication terminal according to an embodiment of the present disclosure.
  • the mobile communication terminal 500 includes a first determining module 501, a second determining module 502, and a first receiving module 503, where:
  • the first determining module 501 is configured to determine one or several possible load sizes of the downlink control information to be received;
  • a second determining module 502 configured to determine configuration information corresponding to the possible load size
  • the first receiving module 503 is configured to receive, according to the configuration information, the downlink control information to be received sent by the base station.
  • the mobile communication terminal 500 further includes:
  • the second receiving module 504 is configured to receive, by the base station, a control resource set corresponding to the load size of the downlink control information to be received, where the control resource is centrally recorded with the aggregation level of the downlink control information to be received.
  • Configuration information ;
  • the first determining module 501 is specifically configured to determine the possible load size according to the control resource set;
  • the second determining module 502 is specifically configured to determine the configuration information by parsing the control resource set.
  • control resource set is transmitted by using high layer signaling.
  • the second determining module 502 is specifically configured to: determine, according to the correspondence between the number of blind detections corresponding to the aggregation level and/or the aggregation level of the downlink control information and the load size of the downlink control information, Configuration information corresponding to the load size.
  • the first quantity is smaller than the second quantity, and the first quantity is: a search space corresponding to all aggregation levels corresponding to a larger load size of the first load size and the second load size.
  • the sum of the quantity is: the sum of the number of search spaces corresponding to all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the same aggregation level corresponds to the same number of candidate spaces
  • the first aggregation level is greater than the second aggregation level, where the first aggregation level is larger than the first load size and the second load size.
  • the load size corresponds to a maximum aggregation level among all aggregation levels
  • the second aggregation level is a maximum aggregation level among all aggregation levels corresponding to the smaller ones of the first load size and the second load size.
  • the third aggregation level is greater than the fourth aggregation level, where the third aggregation level is the smallest of all aggregation levels corresponding to the larger load size of the first load size and the second load size.
  • Aggregation level wherein the fourth aggregation level is a minimum aggregation level of all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the number of candidate spaces corresponding to the larger load size of the first load size and the second load size is less than or equal to the first load size and the second load size.
  • a small load size corresponding to the number of candidate spaces, and at least one aggregation level, corresponding to the at least one aggregation level, the larger the load size of the first load size and the second load size, the number of candidate spaces corresponding to the first load is smaller than the first load The number of candidate spaces corresponding to the smaller load size of the size and the second load size.
  • the mobile communication terminal 500 of the embodiment of the present disclosure is configured to determine one or several possible load sizes of the downlink control information to be received by the first determining module 501, and the second determining module 502 is configured to determine the possible
  • the first receiving module 503 is configured to receive the downlink control information to be received sent by the base station according to the configuration information.
  • the configuration information of the downlink control information of different load sizes is configured, and the downlink control information to be received is received according to the configuration information.
  • the downlink control information is not provided in the prior art. A new way of receiving downlink control information.
  • FIG. 7 is a schematic diagram of a base station according to an embodiment of the present disclosure.
  • the base station 700 includes: a processor 701, a transceiver 702, a memory 703, and a bus interface, where:
  • the processor 701 is configured to read a program in the memory 703 and perform the following process:
  • Determining configuration information of the downlink control information to be sent by using a correspondence between the number of blind detections corresponding to the aggregation level and/or the aggregation level of the downlink control information and the load size of the downlink control information;
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 701 and various circuits of memory represented by memory 703.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 702 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 703 can store data used by the processor 701 in performing operations.
  • the processor 701 is further configured to: send the correspondence to the mobile communication terminal.
  • the correspondence is sent by using a control resource set.
  • control resource set is transmitted by using high layer signaling.
  • the first quantity is smaller than the second quantity, and the first quantity is: a search space corresponding to all aggregation levels corresponding to a larger load size of the first load size and the second load size.
  • the sum of the quantity is: the sum of the number of search spaces corresponding to all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the same aggregation level corresponds to the same number of candidate spaces
  • the first aggregation level is greater than the second aggregation level, where the first aggregation level is larger than the first load size and the second load size.
  • the load size corresponds to a maximum aggregation level among all aggregation levels
  • the second aggregation level is a maximum aggregation level among all aggregation levels corresponding to the smaller ones of the first load size and the second load size.
  • the third aggregation level is greater than the fourth aggregation level, where the third aggregation level is the smallest of all aggregation levels corresponding to the larger load size of the first load size and the second load size.
  • Aggregation level wherein the fourth aggregation level is a minimum aggregation level of all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the number of candidate spaces corresponding to the larger load size of the first load size and the second load size is less than or equal to the first load size and the second load size.
  • a small load size corresponding to the number of candidate spaces, and at least one aggregation level, corresponding to the at least one aggregation level, the larger the load size of the first load size and the second load size, the number of candidate spaces corresponding to the first load is smaller than the first load The number of candidate spaces corresponding to the smaller load size of the size and the second load size.
  • the base station 700 of the embodiment of the present disclosure determines the configuration information of the downlink control information to be sent by using the correspondence between the aggregation level of the downlink control information and/or the number of blind detections corresponding to the aggregation level and the load size of the downlink control information.
  • the configuration information configures the downlink control information to be sent, and sends the downlink control information to be sent to the mobile communication terminal.
  • the number of blind detections corresponding to the aggregation level and/or the aggregation level of the downlink control information is related to the load size of the downlink control information, and is different from the load size of the downlink control information when the downlink control information is configured in the related art.
  • a new downlink control information configuration mode is adopted to improve the flexibility of downlink control information configuration.
  • FIG. 8 is a schematic diagram of a mobile communication terminal according to an embodiment of the present disclosure.
  • the mobile communication terminal 800 includes at least one processor 801, a memory 802, at least one network interface 804, and a user interface 803.
  • the various components in mobile communication terminal 800 are coupled together by a bus system 805.
  • the bus system 805 is used to implement connection communication between these components.
  • the bus system 805 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 805 in FIG.
  • the user interface 803 may include a display, a keyboard, or a pointing device (eg, a mouse, a trackball, a touchpad, or a touch screen, etc.).
  • a pointing device eg, a mouse, a trackball, a touchpad, or a touch screen, etc.
  • the memory 802 in an embodiment of the present disclosure may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SDRAM Synchronous Connection Dynamic Random Access Memory
  • DRRAM direct memory bus random access memory
  • memory 802 stores elements, executable modules or data structures, or a subset thereof, or their extended set: operating system 8021 and application 8022.
  • the operating system 8021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks.
  • the application 8022 includes various applications, such as a media player (Media Player), a browser, and the like, for implementing various application services.
  • a program implementing the method of the embodiments of the present disclosure may be included in the application 8022.
  • the program or the instruction stored in the memory 802 may be a program or an instruction stored in the application 8022, and the processor 801 is configured to: determine one or more types of downlink control information to be received. a possible load size; determining configuration information corresponding to the possible load size; and receiving the to-be-received downlink control information sent by the base station according to the configuration information.
  • Processor 801 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 801 or an instruction in a form of software.
  • the processor 801 may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or the like. Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in connection with the embodiments of the present disclosure may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in memory 802, and processor 801 reads the information in memory 802 and, in conjunction with its hardware, performs the steps of the above method.
  • the embodiments described herein can be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processing (DSP), Digital Signal Processing Equipment (DSP Device, DSPD), programmable Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general purpose processor, controller, microcontroller, microprocessor, other for performing the functions described herein In an electronic unit or a combination thereof.
  • ASICs Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device Digital Signal Processing Equipment
  • PLD programmable Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • the techniques described herein can be implemented by modules (eg, procedures, functions, and so on) that perform the functions described herein.
  • the software code can be stored in memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the processor 801 is further configured to: receive, by the base station, a control resource set corresponding to a load size of the downlink control information to be received, where the control resource centrally records the downlink control information to be received
  • the aggregation level is associated with the configuration information; the processor 801 determines the possible load size according to the control resource set; and the processor 801 determines the configuration information by parsing the control resource set.
  • control resource set is transmitted by using high layer signaling.
  • the processor 801 is specifically configured to determine, according to a correspondence between a blind detection number corresponding to an aggregation level and/or an aggregation level of the downlink control information, and a load size of the downlink control information, corresponding to the possible load size. Configuration information.
  • the first quantity is smaller than the second quantity, and the first quantity is: a search space corresponding to all aggregation levels corresponding to a larger load size of the first load size and the second load size.
  • the sum of the quantity is: the sum of the number of search spaces corresponding to all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the same aggregation level corresponds to the same number of candidate spaces
  • the first aggregation level is greater than the second aggregation level, where the first aggregation level is larger than the first load size and the second load size.
  • the load size corresponds to a maximum aggregation level among all aggregation levels
  • the second aggregation level is a maximum aggregation level among all aggregation levels corresponding to the smaller ones of the first load size and the second load size.
  • the third aggregation level is greater than the fourth aggregation level, where the third aggregation level is the smallest of all aggregation levels corresponding to the larger load size of the first load size and the second load size.
  • Aggregation level wherein the fourth aggregation level is a minimum aggregation level of all aggregation levels corresponding to the smaller load size of the first load size and the second load size.
  • the number of candidate spaces corresponding to the larger load size of the first load size and the second load size is less than or equal to the first load size and the second load size.
  • a small load size corresponding to the number of candidate spaces, and at least one aggregation level, corresponding to the at least one aggregation level, the larger the load size of the first load size and the second load size, the number of candidate spaces corresponding to the first load is smaller than the first load The number of candidate spaces corresponding to the smaller load size of the size and the second load size.
  • the mobile communication terminal 800 of the embodiment of the present disclosure determines one or several possible load sizes of the downlink control information to be received, determines configuration information corresponding to the possible load size, and receives the transmission information sent by the base station according to the configuration information.
  • the downlink control information is to be received.
  • the configuration information of the downlink control information of different load sizes is configured, and the downlink control information to be received is received according to the configuration information.
  • the downlink control information is not provided in the prior art. A new way of receiving downlink control information.
  • the embodiment of the present disclosure further provides a computer readable storage medium, where a computer program is stored, and when the program is executed by the processor, the method for transmitting downlink control information of any one of the foregoing method embodiments is implemented.
  • the embodiment of the present disclosure further provides a computer readable storage medium, on which a computer program is stored, and when the program is executed by the processor, the method for receiving downlink control information of any of the foregoing method embodiments is implemented.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the embodiments of the present disclosure.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the portion of the technical solution of the present disclosure that contributes in essence or to the prior art or the portion of the technical solution may be embodied in the form of a software product stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present disclosure.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

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Abstract

本公开提供一种下行控制信息的发送方法、接收方法及相关设备,该接收方法包括:利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息;利用所述配置信息配置所述待发送下行控制信息;向移动通信终端发送所述待发送下行控制信息。

Description

下行控制信息的发送方法、接收方法及相关设备
相关申请的交叉引用
本申请主张在2017年6月13日在中国提交的中国专利申请号No.201710444788.9的优先权,其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域,尤其涉及一种下行控制信息的发送方法、接收方法及相关设备。
背景技术
物理下行控制信道(Physical Downlink Shared Channel,PDCCH)可用于指示用户设备(User Equipment,UE)所对应的物理下行共享信道(Physical Downlink Shared Channel,PDSCH)调度,或将要发送的物理上行共享信道(Physical Uplink Shared Channel,PUSCH)调度的时频资源和传输参数等,但是要获得这些信息,UE需要首先检测到PDCCH。
由于PDCCH是由基站发送,而UE在此之前除了一些系统信息外未接收过其他信息,因此UE并不知该PDCCH占用的控制信道单元(Control Channel Element,CCE)的数目、位置以及传送的下行控制信息(Downlink Control Information,DCI)格式等,因此,只能通过盲检来实现PDCCH的检测。
在相关技术中,DCI与盲检测相关配置未考虑DCI的负荷大小(Payload Size)。以长期演进(Long Term Evolution,LTE)为例,对于不同DCI的负荷大小,LTE并未进行区分,也即不同负荷大小的DCI均配置相同的盲检测次数。
发明内容
第一方面,本公开实施例提供了一种下行控制信息的发送方法,用于基站,该发送方法包括:
利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下 行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息;
利用所述配置信息配置所述待发送下行控制信息;
向移动通信终端发送所述待发送下行控制信息。
第二方面,本公开实施例还提供一种下行控制信息的接收方法,用于移动通信终端,该接收方法包括:
确定待接收下行控制信息的一种或者几种可能的负荷大小;
确定与所述可能的负荷大小对应的配置信息;
根据所述配置信息接收基站发送的所述待接收下行控制信息。
第三方面,本公开实施例还提供一种基站,该基站包括:
确定模块,用于利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息;
配置模块,用于利用所述配置信息配置所述待发送下行控制信息;
第一发送模块,用于向移动通信终端发送所述待发送下行控制信息。
第四方面,本公开实施例还提供一种移动通信终端,该移动通信终端包括:
第一确定模块,用于确定待接收下行控制信息的一种或者几种可能的负荷大小;
第二确定模块,用于确定与所述可能的负荷大小对应的配置信息;
第一接收模块,用于根据所述配置信息接收基站发送的所述待接收下行控制信息。
第五方面,本公开实施例还提供一种基站,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述处理器执行所述程序时实现上述的下行控制信息的发送方法。
第六方面,本公开实施例还提供一种移动通信终端,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,所述处理器执行所述程序时实现上述的下行控制信息的接收方法。
第七方面,本公开实施例还提供一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现上述的下行控制信息的发送方法, 或者实现上述的下行控制信息的接收方法。
附图说明
为了更清楚地说明本公开实施例的技术方案,下面将对本公开实施例描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本公开的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1是本公开实施例提供的下行控制信息的发送方法的流程图;
图2是本公开实施例提供的下行控制信息的接收方法的流程图;
图3是本公开实施例提供的基站的结构图;
图4是本公开又一实施例提供的基站的结构图;
图5是本公开实施例提供的移动通信终端的结构图;
图6是本公开又一实施例提供的移动通信终端的结构图;
图7是本公开又一实施例提供的基站的结构图;
图8是本公开又一实施例提供的移动通信终端的结构图。
具体实施方式
下面将结合本公开实施例中的附图,对本公开实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本公开一部分实施例,而不是全部的实施例。基于本公开中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本公开保护的范围。
本公开实施例提供了一种下行控制信息的发送方法,该发送方法用于基站。
本公开实施例的下行控制信息的发送方法,利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息,由于下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小相关,相比于相关技术中配置下行控制信息时不考虑下行控制信息的负荷大小,提供了一种新的下行控制信息配置方式,提高了下行控制信息配置的灵活性。
参见图1,图1是本公开实施例提供的下行控制信息的发送方法的流程图,如图1所示,包括以下步骤:
步骤101、利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息。
本实施例中,聚合等级(Aggregation Level,简称为AL)表示一个物理下行控制信道(Physical Downlink Shared Channel,PDCCH)占用的控制信道单元(Control Channel Element,CCE)个数。具体的,PDCCH盲检测可以有多种聚合等级,如可以是聚合等级分别对应聚合等级{1,2,4,8}。聚合等级所对应的盲检测次数用于表征搜索空间中该聚合等级所对应的PDCCH候选空间(即PDCCH Candidate)的数量。
本公开具体实施例中,上述的聚合等级1、2、4和8仅仅是以当前LTE系统为例进行的说明,但应当理解的是,根据不同的需要和系统的演进,该聚合等级的数量可以更多,聚合等级也可以更大,在此不一一详细说明。
具体的,本实施例的对应关系中,下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小相关。例如,可以将不同负荷大小的下行控制信息配置为支持不同的聚合等级,或是为不同负荷大小的下行控制信息对应的相同的聚合等级配置不同的盲检测次数等。
步骤102、利用所述配置信息配置所述待发送下行控制信息。
步骤103、向移动通信终端发送所述待发送下行控制信息。
具体的,以下以上述对应关系分别如表1和表2所示为例对本实施例进行说明:
表1
DCI1=60bit支持的AL AL=1 AL=2 AL=4 AL=8
DCI2=90bit支持的AL AL=2 AL=4 AL=8 AL=16
表2
AL=1 AL=2 AL=4 AL=8 总盲检测次数
DCI1=60bit的盲检测次数 6 6 2 2 16
DCI2=90bit的盲检测次数 2 4 2 2 10
参见表1,下行控制信息(Downlink Control Information,DCI)包括负 荷大小为60bit的DCI1和负荷大小为90bit的DCI2,具体的,DCI1对应于聚合等级1(即AL=1)、聚合等级2(即AL=2)、聚合等级4(即AL=4)和聚合等级8(即AL=8),而DCI2对应于聚合等级2(即AL=2)、聚合等级4(即AL=4)、聚合等级8(即AL=8)和聚合等级16(即AL=16)。
以聚合等级1对应的候选空间数量均为6,聚合等级2对应的候选空间数量均为6,聚合等级4对应的候选空间的数量均为2,聚合等级8对应的候选空间数量均为2,聚合等级16对应的候选空间数量均为2为例,上述表1所示的DCI1对应的总的盲检测次数为16,DCI2对应的总的盲检测次数为12。
参见表2,下行控制信息(Downlink Control Information,DCI)包括负荷大小为60bit的DCI1和负荷大小为90bit的DCI2,具体的,DCI1所对应的聚合等级1、聚合等级2、聚合等级4和聚合等级8所对应的盲检测次数依次为6、6、2和2,总的盲检测次数为16,DCI2所对应的聚合等级1、聚合等级2、聚合等级4和聚合等级8所对应的盲检测次数依次为2、4、2和2,总的盲检测次数为10。
而在相关技术中,不同负荷大小的DCI所支持的聚合等级相同,且相同的聚合等级对应的盲检测次数也相同。例如,对于上述DCI1和DCI2,均对应于聚合等级1、聚合等级2、聚合等级4和聚合等级8,且聚合等级1、聚合等级2、聚合等级4和聚合等级8所对应的盲检测次数均依次为6、6、2和2。
由上对比可以看出,本实施可以减少较高负荷大小的DCI所需要的盲检测次数。
本公开实施例中,利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息;利用所述配置信息配置所述待发送下行控制信息;向移动通信终端发送所述待发送下行控制信息。本实施例中下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小相关,不同于相关技术中配置下行控制信息时不考虑下行控制信息的负荷大小,提供了一种新的下行控制信息配置方式,提高了下行控制信息配置的灵活性。
本公开具体实施例中,移动通信终端需要根据下行控制信息的聚合等级 和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,来进行PDCCH的盲检,而该对应关系可以是依据标准中的相关规定预先存储于移动通信终端中,在需要使用的时候直接读取即可。
而为了提高灵活度,在本公开具体实施例中,该对应关系也可以是由基站在每次使用的时候通过高层信令下发给移动通信终端。由于上述对应关系是实时发送,因此每次下发的对应关系可以根据当前实际情况的差异进行改变,提高了灵活度。
这种方式下,本公开实施例的下行控制信息的发送方法还包括:向所述移动通信终端发送所述对应关系。
本实施例中,基站可以将下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,发送给移动通信终端,从而移动通信终端可以根据该对应关系,获取待发送下行控制信息的与聚合等级相关联的配置信息,并可以基于待发送下行控制信息的与聚合等级相关联的配置信息进行盲检测。
可选的,所述对应关系通过控制资源集发送。
本实施例中,控制资源集(Control Resource Set,CORESET)表示一类时频资源集合,由一组资源单元组(Resource Element Group,REG)组成。本实施例的对应关系,可以通过控制资源集发送给移动通信终端,以提高对应关系发送的多样性和灵活性。
具体的,控制资源集定义如下:
控制资源集被定义为一组给定参数(Numerology)下的REG,控制搜索空间至少包括以下属性:聚合等级;每个聚合等级的解码候选空间数量;用于每个解码候选空间的一组CCE。
以下属性可能属于控制资源集:传输/分集方案;CCE到REG映射;导频结构;物理资源块(Physical Resource Block,PRB)捆绑大小(Bundling size)。
REG的定义如下:
PDCCH候选空间由一组CCE组成,CCE由一组REG组成,在一个OFDM符号内,REG是一个资源块(Resource Block,RB);
新无线接入(New Radio,NR)至少支持如下功能:
至少对于增强移动宽带(Enhance Mobile Broadband,eMBB),在一个正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)符号中,除了空间复用到不同的UE(即多用户多输入多输出,Multi-User Multiple-Input Multiple-Output,MU-MIMO)之外,多个CCE不能在同一PRB上发送;对于一个UE,对于一个RE的信道估计应当在至少相同的控制资源集合和搜索空间类型(公共或UE专用)中涉及该RE的多个盲解码中可重复使用;
至少对于为时隙调度的下行数据,时间上的下行数据解调参考信号(Demodulation Reference Signal,DMRS)位置相对于时隙的开始不是动态变化的。
其中,CORESET的时频位置配置可以通过如下的一个或者多个组合来通知:
CORESET的时频位置配置信息可以通过高层信令通知;或
CORESET的时频位置配置信息可以通过广播信道、系统信息等通知;或
CORESET的时频位置配置信息可以基于如根据系统带宽,子载波间隔,天线配置,载波频率中的一个或者多个信息预先定义。
具体的,本实施例可以预配置CORESET,指定该CORESET中有多少种负荷大小的DCI需要检测,并且指定每一种负荷大小的DCI需要检测的聚合等级和每个聚合等级对应的盲检测次数。例如,本实施例可以预配置每个CORESET所对应的DCI长度,以及每个DCI要检测的聚合等级和每个聚合等级对应的盲检测次数,并可以通过高层信令发送给移动通信终端,从而移动通信终端可以根据预配置的CORESET和DCI长度之间的映射关系,以及每个DCI要检测的聚合等级和每个聚合等级对应的盲检测次数,通过盲检测得知可能的DCI。
具体的,移动通信终端接收基站发送的控制资源集,可以根据控制资源集确定待接收DCI可能的负荷大小,以及确定与所述可能的负荷大小对应的配置信息,从而可以根据可能的负荷大小对应的配置信息接收到接收DCI。
需要说明的是,DCI长度和CORESET关联,DCI长度可以每个时隙发生变化,在每个时隙上在第k个CORESET上检测到的PDCCH所包含的DCI长度和该CORESET有关,其中,k为正整数。
可选的,所述控制资源集通过高层信令传输。
本公开具体实施例中,下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小相关,其中可以是各种方式,如:
负荷大小越大,聚合等级越大;
负荷大小越大,聚合等级越小;
负荷大小越大,聚合等级对应的候选空间数量越小;
负荷大小越大,聚合等级对应的候选空间数量越大;
负荷大小越大,聚合等级越大,且聚合等级对应的候选空间数量越小;
负荷大小越大,聚合等级越大,且聚合等级对应的候选空间数量越大;
负荷大小越大,聚合等级越小,且聚合等级对应的候选空间数量越小;
负荷大小越大,聚合等级越小,且聚合等级对应的候选空间数量越大。
考虑到负荷大小越大的DCI,使用较大聚合等级的可能性较大,因此,本公开具体实施例中,选择负荷大小越大,候选空间数量越少的方式。即:所述对应关系中,第一数量小于第二数量,所述第一数量为:第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级所对应的搜索空间的数量之和;所述第二数量为:第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级所对应的搜索空间数量之和。
本实施例中,不同负荷大小的DCI所对应的所有聚合等级所对应的搜索空间数量不同。具体的,可以将负荷大小越大的DCI对应的所有聚合等级所对应的搜索空间数量设置的越小。例如,若DCI包括负荷大小为60bit的DCI1和负荷大小为90bit的DCI2,则可以将DCI2对应的所有聚合等级所对应的搜索空间数量设置的小于DCI1对应的所有聚合等级所对应的搜索空间数量,若DCI包括负荷大小为60bit的DCI1、负荷大小为90bit的DCI2和负荷大小为120bit的DCI3,则可以将DCI2对应的所有聚合等级所对应的搜索空间数量设置的小于DCI1对应的所有聚合等级所对应的搜索空间数量,将DCI3对应的所有聚合等级所对应的搜索空间数量设置的小于DCI2对应的所有聚合等级所对应的搜索空间数量。
需要说明的是,本实施例中DCI的负荷大小的种类不限于第一负荷大小和第二负荷大小,即可以有三种或是三种以上负荷大小的DCI。具体的,可 以根据其他参数隐式的确定DCI的负荷大小的种类,也可以根据网络配置或者协议约定显式的确定DCI的负荷大小的种类。
本公开具体实施例中,保证负荷大小越大,候选空间数量越少可以通过多种方式实现,分别描述如下。
一种方式中,所述对应关系中,相同的聚合等级对应的候选空间数量相同,第一聚合等级大于第二聚合等级,所述第一聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最大聚合等级,所述第二聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最大聚合等级。
本实施例中,相同的聚合等级对应的候选空间数量相同,例如,聚合等级1对应的候选空间数量均为6,聚合等级2对应的候选空间数量均为6,聚合等级4对应的候选空间的数量均为2,聚合等级8对应的候选空间数量均为2,聚合等级16对应的候选空间数量均为2。
本实施例中,不同负荷大小的DCI所支持的聚合等级不同。具体的,可以将负荷大小越大的DCI对应的所有聚合等级中最大聚合等级设置的越大,从而可以尽量通过较大的聚合等级传送DCI,以减少盲检测次数。例如,DCI包括负荷大小为60bit的DCI1和负荷大小为90bit的DCI2,DCI1的使用频次大于DCI2,则可以将DCI2对应的所有聚合等级中最大聚合等级设置的大于DCI1对应的所有聚合等级中最大聚合等级,若DCI包括负荷大小为60bit的DCI1、负荷大小为90bit的DCI2和负荷大小为120bit的DCI3,则可以将DCI2对应的所有聚合等级中最大聚合等级设置的大于DCI1对应的所有聚合等级中最大聚合等级,可以将DCI3对应的所有聚合等级中最大聚合等级设置的大于DCI2对应的所有聚合等级中最大聚合等级。
需要说明的是,本实施例中DCI的负荷大小的种类不限于第一负荷大小和第二负荷大小,即可以有三种或是三种以上负荷大小的DCI。具体的,可以根据其他参数隐式的确定DCI的负荷大小的种类,也可以根据网络配置或者协议约定显式的确定DCI的负荷大小的种类。
以下以聚合等级1对应的候选空间数量均为6,聚合等级2对应的候选空间数量均为6,聚合等级4对应的候选空间的数量均为2,聚合等级8对应 的候选空间数量均为2,聚合等级16对应的候选空间数量均为2,DCI1的使用频次大于DCI2,上述对应关系分别如表3至表5所示为例对本实施例进行说明:
表3
DCI1=60bit支持的AL AL=1 AL=2 AL=4 AL=8
DCI2=90bit支持的AL AL=1 AL=4 AL=8 AL=16
表4
DCI1=60bit支持的AL AL=1 AL=2 AL=4 AL=8
DCI2=90bit支持的AL AL=4 AL=8 AL=16
表5
DCI1=60bit支持的AL AL=1 AL=2 AL=4 AL=8
DCI2=90bit支持的AL AL=2 AL=4 AL=8 AL=16
参见表3,DCI包括负荷大小为60bit的DCI1和负荷大小为90bit的DCI2,具体的,DCI1对应于聚合等级1(即AL=1)、聚合等级2(即AL=2)、聚合等级4(即AL=4)和聚合等级8(即AL=8),而DCI2对应于聚合等级1(即AL=1)、聚合等级4(即AL=4)、聚合等级8(即AL=8)和聚合等级16(即AL=16)。由此可以看出,DCI2对应的所有聚合等级中最大聚合等级大于DCI1对应的所有聚合等级中最大聚合等级,DCI1对应的总的候选空间数量为16,DCI2对应的总的候选空间数量为12,也即DCI2对应的总的盲检测次数小于DCI1对应的总的盲检测次数。
参见表4,DCI包括负荷大小为60bit的DCI1和负荷大小为90bit的DCI2,具体的,DCI1对应于聚合等级1(即AL=1)、聚合等级2(即AL=2)、聚合等级4(即AL=4)和聚合等级8(即AL=8),而DCI2对应于聚合等级4(即AL=4)、聚合等级8(即AL=8)和聚合等级16(即AL=16)。由此可以看出,DCI2对应的所有聚合等级中最大聚合等级大于DCI1对应的所有聚合等级中最大聚合等级,DCI1对应的总的候选空间数量为16,DCI2对应的总的候选空间数量为6,也即DCI2对应的总的盲检测次数小于DCI1对应的总的盲检测次数。
参见表5,DCI包括负荷大小为60bit的DCI1和负荷大小为90bit的DCI2,具体的,DCI1对应于聚合等级1(即AL=1)、聚合等级2(即AL=2)、聚合 等级4(即AL=4)和聚合等级8(即AL=8),而DCI2对应于聚合等级2(即AL=2)、聚合等级4(即AL=4)、聚合等级8(即AL=8)和聚合等级16(即AL=16)。由此可以看出,DCI2对应的所有聚合等级中最大聚合等级大于DCI1对应的所有聚合等级中最大聚合等级,DCI1对应的总的候选空间数量为16,DCI2对应的总的候选空间数量为12,也即DCI2对应的总的盲检测次数小于DCI1对应的总的盲检测次数。
由上可知,本实施例不仅可以灵活多样的配置不同负荷大小的DCI对应的聚合等级,还可以减少较大负荷大小的DCI的盲检测的次数。
可选的,所述对应关系中,第三聚合等级大于第四聚合等级,所述第三聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最小聚合等级,所述第四聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最小聚合等级。
本实施例中,由于较大负荷大小的DCI使用较低聚合等级的概率较小,因此可以将较大负荷大小的DCI对应的所有聚合等级中最小聚合等级设置的大于较小负荷大小的DCI对应的所有聚合等级中最小聚合等级,以避免较大负荷大小的DCI使用较低的聚合等级。
例如,参见上述表5,DCI2对应的所有聚合等级中最小聚合等级(即AL=2)大于DCI1对应的所有聚合等级中最小聚合等级(即AL=1),DCI2对应的所有聚合等级中最大聚合等级(即AL=16)大于DCI1对应的所有聚合等级中最大聚合等级(即AL=8)。
上述方式中,对应于不同的DCI负荷大小,相同的AL对应的候选空间数量(搜索次数)相同,但本公开具体实施例的另一种方式中,对应于不同的DCI负荷大小,也可以为相同的AL配置不同的候选空间数量,以减小搜索次数。
对此具体说明如下。
可选的,所述对应关系中,对应于同一聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于或等于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量,且存在至少一个聚合等级,对应于所述至少一个聚合等级,第一负荷大小和第二负荷大小中较大 的负荷大小对应的候选空间数量小于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量。
本实施例中,不同负荷大小的DCI所对应的同一聚合等级对应的候选空间数量不同。具体的,由于较大负荷大小的DCI使用较低聚合等级的概率较小,因此可以将较低聚合等级对应的候选空间数量设置的较小。例如,参见表6,DCI2所对应的聚合等级1和聚合等级2所对应的盲检测次数分别为0和2,从而使得DCI2总的盲检测次数小于DCI1总的盲检测次数,相比于相关技术,减少了DCI2总的盲检测次数,特别是减低了较低聚合等级的盲检测次数,从而可以降低移动通信终端功耗。
表6
AL=1 AL=2 AL=4 AL=8 总盲检测次数
DCI1=60bit的盲检测次数 6 6 2 2 16
DCI2=90bit的盲检测次数 0 2 2 2 6
需要说明的是,本实施例中DCI的负荷大小的种类不限于第一负荷大小和第二负荷大小,即可以有三种或是三种以上负荷大小的DCI。
本公开实施例还提供了一种下行控制信息的接收方法,用于移动通信终端。图2是本公开实施例提供的下行控制信息的接收方法的流程图,如图2所示,该下行控制信息的接收方法包括以下步骤:
步骤201、确定待接收下行控制信息的一种或者几种可能的负荷大小。
本实施例中,待接收下行控制信息可以包括一种可能的负荷大小,例如,负荷大小为60bit的DCI1,或是负荷大小为90bit的DCI2;待接收下行控制信息也可以包括多种可能的负荷大小,例如,待接收下行控制信息可以包括负荷大小为60bit的DCI1和负荷大小为90bit的DCI2。
步骤202、确定与所述可能的负荷大小对应的配置信息。
本实施例中,基站可以为不同负荷大小的DCI配置对应的配置信息,并发送给移动通信终端。移动通信终端则可以根据配置信息在搜索空间进行盲检测,以获取待接收下行控制信息。
步骤203、根据所述配置信息接收基站发送的所述待接收下行控制信息。
本公开实施例的下行控制信息的接收方法,通过确定待接收下行控制信 息的一种或者几种可能的负荷大小;确定与所述可能的负荷大小对应的配置信息;根据所述配置信息接收基站发送的所述待接收下行控制信息。本实施例为不同负荷大小的下行控制信息配置对应的配置信息,并根据配置信息接收待接收下行控制信息,相比于相关技术中接收下行控制信息时不考虑下行控制信息的负荷大小,提供了一种新的下行控制信息接收方式。
可选的,该下行控制信息的接收方法还包括:接收基站发送的与所述待接收下行控制信息的负荷大小对应的控制资源集,所述控制资源集中记录有所述待接收下行控制信息的与聚合等级相关联的配置信息;
相应的,所述确定待接收下行控制信息的可能的负荷大小的步骤,具体包括:根据所述控制资源集确定所述可能的负荷大小;
相应的,确定与所述可能的负荷大小对应的配置信息的步骤,具体包括:通过解析所述控制资源集确定所述配置信息。
本实施例中,所述待发送下行控制信息的与聚合等级相关联的配置信息,可以包括DCI要检测的聚合等级和每个聚合等级对应的盲检测次数等。
具体的,本实施例可以预配置CORESET,指定该CORESET对应有多少种负荷大小的DCI需要检测,并且可以进一步指定每一种负荷大小的DCI需要检测的聚合等级和每个聚合等级对应的盲检测次数。
例如,基站可以预配置每个CORESET所对应的DCI长度(也即负荷大小),以及每个DCI要检测的聚合等级和每个聚合等级对应的盲检测次数,并可以通过高层信令发送给移动通信终端,从而移动通信终端可以根据预配置的CORESET和DCI长度之间的映射关系,以及每个DCI要检测的聚合等级和每个聚合等级对应的盲检测次数,通过盲检测得知可能的DCI。
本实施例中,移动通信终端通过控制资源集可以快速的确定待接收下行控制信息的可能的负荷大小以及配置信息,并可以基于配置信息进行盲检测,以获取待接收下行控制信息。
可选的,所述控制资源集通过高层信令传输。
可选的,所述确定与所述可能的负荷大小对应的配置信息具体包括:根据下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定与所述可能的负荷大小对应的配置信息。
本实施例中,下行控制信息的与聚合等级相关联的配置信息与下行控制信息的负荷大小相关与下行控制信息的负荷大小相关。例如,可以将不同负荷大小的下行控制信息配置为支持不同的聚合等级,或是为不同负荷大小的下行控制信息对应的相同的聚合等级配置不同的盲检测次数等。
例如,参见上述表1,DCI1对应于聚合等级1、聚合等级2、聚合等级4和聚合等级8,而DCI2对应于聚合等级2、聚合等级4、聚合等级8和聚合等级16。参见上述表2,DCI1所对应的聚合等级1、聚合等级2、聚合等级4和聚合等级8所对应的盲检测次数依次为6、6、2和2,总的盲检测次数为16,DCI2所对应的聚合等级1、聚合等级2、聚合等级4和聚合等级8所对应的盲检测次数依次为2、4、2和2,总的盲检测次数为10。
而在相关技术中,不同负荷大小的DCI所支持的聚合等级相同,且相同的聚合等级对应的盲检测次数也相同。例如,对于上述DCI1和DCI2,均对应于聚合等级1、聚合等级2、聚合等级4和聚合等级8,且聚合等级1、聚合等级2、聚合等级4和聚合等级8所对应的盲检测次数均依次为6、6、2和2。
由上对比可以看出,本实施可以减少较高负荷大小的DCI所需要的盲检测次数。
可选的,所述对应关系中,第一数量小于第二数量,所述第一数量为:第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级所对应的搜索空间的数量之和;所述第二数量为:第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级所对应的搜索空间数量之和。
本实施例中,不同负荷大小的DCI所对应的所有聚合等级所对应的搜索空间数量不同。具体的,可以将负荷大小越大的DCI对应的所有聚合等级所对应的搜索空间数量设置的越小。例如,若DCI包括负荷大小为60bit的DCI1和负荷大小为90bit的DCI2,则可以将DCI2对应的所有聚合等级所对应的搜索空间数量设置的小于DCI1对应的所有聚合等级所对应的搜索空间数量;若DCI包括负荷大小为60bit的DCI1、负荷大小为90bit的DCI2和负荷大小为120bit的DCI3,则可以将DCI2对应的所有聚合等级所对应的搜索空间数量设置的小于DCI1对应的所有聚合等级所对应的搜索空间数量,将DCI3对 应的所有聚合等级所对应的搜索空间数量设置的小于DCI2对应的所有聚合等级所对应的搜索空间数量。
需要说明的是,本实施例中DCI的负荷大小的种类不限于第一负荷大小和第二负荷大小,即可以有三种或是三种以上负荷大小的DCI。具体的,可以根据其他参数隐式的确定DCI的负荷大小的种类,也可以根据网络配置或者协议约定显式的确定DCI的负荷大小的种类。
可选的,所述对应关系中,相同的聚合等级对应的候选空间数量相同,第一聚合等级大于第二聚合等级,所述第一聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最大聚合等级,所述第二聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最大聚合等级。
本实施例中,相同的聚合等级对应的候选空间数量相同,例如,聚合等级1对应的候选空间数量均为6,聚合等级2对应的候选空间数量均为6,聚合等级4对应的候选空间的数量均为2,聚合等级8对应的候选空间数量均为2,聚合等级16对应的候选空间数量均为2。
本实施例中,不同负荷大小的DCI所支持的聚合等级不同。具体的,可以将负荷大小越大的DCI对应的所有聚合等级中最大聚合等级设置的越大,从而可以尽量通过较大的聚合等级传送DCI,以减少盲检测次数。例如,DCI包括负荷大小为60bit的DCI1和负荷大小为90bit的DCI2,则可以将DCI2对应的所有聚合等级中最大聚合等级设置的大于DCI1对应的所有聚合等级中最大聚合等级,若DCI包括负荷大小为60bit的DCI1、负荷大小为90bit的DCI2和负荷大小为120bit的DCI3,则可以将DCI2对应的所有聚合等级中最大聚合等级设置的大于DCI1对应的所有聚合等级中最大聚合等级,可以将DCI3对应的所有聚合等级中最大聚合等级设置的大于DCI2对应的所有聚合等级中最大聚合等级。
例如,参见上述表3至表5,本实施例不仅可以灵活多样的配置不同负荷大小的DCI对应的聚合等级,还可以减少较大负荷大小的DCI的盲检测的次数。
需要说明的是,本实施例中DCI的负荷大小的种类不限于第一负荷大小 和第二负荷大小,即可以有三种或是三种以上负荷大小的DCI。具体的,可以根据其他参数隐式的确定DCI的负荷大小的种类,也可以根据网络配置或者协议约定显式的确定DCI的负荷大小的种类。
可选的,所述对应关系中,第三聚合等级大于第四聚合等级,所述第三聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最小聚合等级,所述第四聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最小聚合等级。
本实施例中,由于较大负荷大小的DCI使用较低聚合等级的概率较小,因此可以将较大负荷大小的DCI对应的所有聚合等级中最小聚合等级设置的大于较小负荷大小的DCI对应的所有聚合等级中最小聚合等级,以避免较大负荷大小的DCI使用较低的聚合等级。
例如,参见上述表5,DCI2对应的所有聚合等级中最小聚合等级(即AL=2)大于DCI1对应的所有聚合等级中最小聚合等级(即AL=1),DCI2对应的所有聚合等级中最大聚合等级(即AL=16)大于DCI1对应的所有聚合等级中最大聚合等级(即AL=8)。
可选的,所述对应关系中,对应于同一聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于或等于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量,且存在至少一个聚合等级,对应于所述至少一个聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量。
本实施例中,不同负荷大小的DCI所对应的同一聚合等级对应的候选空间数量不同。具体的,由于较大负荷大小的DCI使用较低聚合等级的概率较小,因此可以将较低聚合等级对应的候选空间数量设置的较小。例如,参见表6,DCI2所对应的聚合等级1和聚合等级2所对应的盲检测次数分别为0和2,从而使得DCI2总的盲检测次数小于DCI1总的盲检测次数,相比于相关技术,减少了DCI2总的盲检测次数,特别是减低了较低聚合等级的盲检测次数,从而可以降低移动通信终端功耗。
本公开实施例还提供一种基站。图3是本公开实施例提供的基站的示意 图,如图3所示,该基站300包括确定模块301、配置模块302和第一发送模块303,其中:
确定模块301,用于利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息;
配置模块302,用于利用所述配置信息配置所述待发送下行控制信息;
第一发送模块303,用于向移动通信终端发送所述待发送下行控制信息。
可选的,参见图4,该基站300还包括:第二发送模块304,用于向所述移动通信终端发送所述对应关系。
可选的,所述对应关系通过控制资源集发送。
可选的,所述控制资源集通过高层信令传输。
可选的,所述对应关系中,第一数量小于第二数量,所述第一数量为:第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级所对应的搜索空间的数量之和;所述第二数量为:第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级所对应的搜索空间数量之和。
可选的,所述对应关系中,相同的聚合等级对应的候选空间数量相同,第一聚合等级大于第二聚合等级,所述第一聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最大聚合等级,所述第二聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最大聚合等级。
可选的,所述对应关系中,第三聚合等级大于第四聚合等级,所述第三聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最小聚合等级,所述第四聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最小聚合等级。
可选的,所述对应关系中,对应于同一聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于或等于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量,且存在至少一个聚合等级,对应于所述至少一个聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于第一负荷大小和第二负荷大小中较小的 负荷大小对应的候选空间数量。
本公开实施例的基站300,通过确定模块301利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息;配置模块302利用所述配置信息配置所述待发送下行控制信息;第一发送模块303向移动通信终端发送所述待发送下行控制信息。本实施例中下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小相关,不同于现有技术中配置下行控制信息时不考虑下行控制信息的负荷大小,提供了一种新的下行控制信息配置方式,提高了下行控制信息配置的灵活性。
本公开实施例还提供一种移动通信终端。图5是本公开实施例提供的移动通信终端的示意图,如图5所示,该移动通信终端500包括第一确定模块501、第二确定模块502和第一接收模块503,其中:
第一确定模块501,用于确定待接收下行控制信息的一种或者几种可能的负荷大小;
第二确定模块502,用于确定与所述可能的负荷大小对应的配置信息;
第一接收模块503,用于根据所述配置信息接收基站发送的所述待接收下行控制信息。
可选的,参见图6,该移动通信终端500还包括:
第二接收模块504,用于接收基站发送的与所述待接收下行控制信息的负荷大小对应的控制资源集,所述控制资源集中记录有所述待接收下行控制信息的与聚合等级相关联的配置信息;
相应的,所述第一确定模块501具体用于根据所述控制资源集确定所述可能的负荷大小;
相应的,所述第二确定模块502具体用于通过解析所述控制资源集确定所述配置信息。
可选的,所述控制资源集通过高层信令传输。
可选的,所述第二确定模块502具体用于:根据下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定与所述可能的负荷大小对应的配置信息。
可选的,所述对应关系中,第一数量小于第二数量,所述第一数量为:第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级所对应的搜索空间的数量之和;所述第二数量为:第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级所对应的搜索空间数量之和。
可选的,所述对应关系中,相同的聚合等级对应的候选空间数量相同,第一聚合等级大于第二聚合等级,所述第一聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最大聚合等级,所述第二聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最大聚合等级。
可选的,所述对应关系中,第三聚合等级大于第四聚合等级,所述第三聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最小聚合等级,所述第四聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最小聚合等级。
可选的,所述对应关系中,对应于同一聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于或等于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量,且存在至少一个聚合等级,对应于所述至少一个聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量。
本公开实施例的移动通信终端500,通过第一确定模块501,用于确定待接收下行控制信息的一种或者几种可能的负荷大小;第二确定模块502,用于确定与所述可能的负荷大小对应的配置信息;第一接收模块503,用于根据所述配置信息接收基站发送的所述待接收下行控制信息。本实施例为不同负荷大小的下行控制信息配置对应的配置信息,并根据配置信息接收待接收下行控制信息,相比于现有技术中接收下行控制信息时不考虑下行控制信息的负荷大小,提供了一种新的下行控制信息接收方式。
本公开实施例还提供一种基站。图7是本公开实施例提供的基站的示意图,如图7所示,基站700包括:处理器701、收发机702、存储器703和总线接口,其中:
处理器701,用于读取存储器703中的程序,执行下列过程:
利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息;
利用所述配置信息配置所述待发送下行控制信息;
向移动通信终端发送所述待发送下行控制信息。
在图7中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器701代表的一个或多个处理器和存储器703代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机702可以是多个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元。
处理器701负责管理总线架构和通常的处理,存储器703可以存储处理器701在执行操作时所使用的数据。
可选的,所述处理器701还用于:向所述移动通信终端发送所述对应关系。
可选的,所述对应关系通过控制资源集发送。
可选的,所述控制资源集通过高层信令传输。
可选的,所述对应关系中,第一数量小于第二数量,所述第一数量为:第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级所对应的搜索空间的数量之和;所述第二数量为:第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级所对应的搜索空间数量之和。
可选的,所述对应关系中,相同的聚合等级对应的候选空间数量相同,第一聚合等级大于第二聚合等级,所述第一聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最大聚合等级,所述第二聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最大聚合等级。
可选的,所述对应关系中,第三聚合等级大于第四聚合等级,所述第三聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最小聚合等级,所述第四聚合等级为所述第一负荷大小和第二负荷 大小中较小的负荷大小对应的所有聚合等级中的最小聚合等级。
可选的,所述对应关系中,对应于同一聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于或等于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量,且存在至少一个聚合等级,对应于所述至少一个聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量。
本公开实施例的基站700,利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息;利用所述配置信息配置所述待发送下行控制信息;向移动通信终端发送所述待发送下行控制信息。本实施例中下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小相关,不同于相关技术中配置下行控制信息时不考虑下行控制信息的负荷大小,提供了一种新的下行控制信息配置方式,提高了下行控制信息配置的灵活性。
本公开实施例还提供一种移动通信终端。图8是本公开实施例提供的移动通信终端的示意图,如图8所示,移动通信终端800包括:至少一个处理器801、存储器802、至少一个网络接口804和用户接口803。移动通信终端800中的各个组件通过总线系统805耦合在一起。可理解,总线系统805用于实现这些组件之间的连接通信。总线系统805除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。但是为了清楚说明起见,在图8中将各种总线都标为总线系统805。
其中,用户接口803可以包括显示器、键盘或者点击设备(例如,鼠标,轨迹球(trackball)、触感板或者触摸屏等。
可以理解,本公开实施例中的存储器802可以是易失性存储器或非易失性存储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM), 其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DRRAM)。本文描述的系统和方法的存储器802旨在包括但不限于这些和任意其它适合类型的存储器。
在一些实施方式中,存储器802存储了如下的元素,可执行模块或者数据结构,或者他们的子集,或者他们的扩展集:操作系统8021和应用程序8022。
其中,操作系统8021,包含各种系统程序,例如框架层、核心库层、驱动层等,用于实现各种基础业务以及处理基于硬件的任务。应用程序8022,包含各种应用程序,例如媒体播放器(Media Player)、浏览器(Browser)等,用于实现各种应用业务。实现本公开实施例方法的程序可以包含在应用程序8022中。
在本公开实施例中,通过调用存储器802存储的程序或指令,具体的,可以是应用程序8022中存储的程序或指令,处理器801用于:确定待接收下行控制信息的一种或者几种可能的负荷大小;确定与所述可能的负荷大小对应的配置信息;根据所述配置信息接收基站发送的所述待接收下行控制信息。
上述本公开实施例揭示的方法可以应用于处理器801中,或者由处理器801实现。处理器801可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法的各步骤可以通过处理器801中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器801可以是通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现场可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本公开实施例中的公开的各方法、步骤及逻辑框图。 通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本公开实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器802,处理器801读取存储器802中的信息,结合其硬件完成上述方法的步骤。
可以理解的是,本文描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现,处理单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits,ASIC)、数字信号处理器(Digital Signal Processing,DSP)、数字信号处理设备(DSP Device,DSPD)、可编程逻辑设备(Programmable Logic Device,PLD)、现场可编程门阵列(Field-Programmable Gate Array,FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本申请所述功能的其它电子单元或其组合中。
对于软件实现,可通过执行本文所述功能的模块(例如过程、函数等)来实现本文所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
可选的,所述处理器801还用于:接收基站发送的与所述待接收下行控制信息的负荷大小对应的控制资源集,所述控制资源集中记录有所述待接收下行控制信息的与聚合等级相关联的配置信息;所述处理器801具体根据所述控制资源集确定所述可能的负荷大小;所述处理器801具体通过解析所述控制资源集确定所述配置信息。
可选的,所述控制资源集通过高层信令传输。
可选的,所述处理器801具体用于根据下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系确定与所述可能的负荷大小对应的配置信息。
可选的,所述对应关系中,第一数量小于第二数量,所述第一数量为:第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级所对应的搜索空间的数量之和;所述第二数量为:第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级所对应的搜索空间数量之和。
可选的,所述对应关系中,相同的聚合等级对应的候选空间数量相同,第一聚合等级大于第二聚合等级,所述第一聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最大聚合等级,所述第二聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最大聚合等级。
可选的,所述对应关系中,第三聚合等级大于第四聚合等级,所述第三聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最小聚合等级,所述第四聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最小聚合等级。
可选的,所述对应关系中,对应于同一聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于或等于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量,且存在至少一个聚合等级,对应于所述至少一个聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量。
本公开实施例的移动通信终端800,通过确定待接收下行控制信息的一种或者几种可能的负荷大小;确定与所述可能的负荷大小对应的配置信息;根据所述配置信息接收基站发送的所述待接收下行控制信息。本实施例为不同负荷大小的下行控制信息配置对应的配置信息,并根据配置信息接收待接收下行控制信息,相比于现有技术中接收下行控制信息时不考虑下行控制信息的负荷大小,提供了一种新的下行控制信息接收方式。
本公开实施例还提供一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现上述任一方法实施例的下行控制信息的发送方法。
本公开实施例还提供一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现上述任一方法实施例的下行控制信息的接收方法。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方 法来实现所描述的功能,但是这种实现不应认为超出本公开的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的实施例中,应该理解到,所揭露的装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本公开实施例方案的目的。
另外,在本公开各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本公开的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本公开各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本公开的具体实施方式,但本公开的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本公开揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本公开的保护范围之内。因此,本公开的保护 范围应以权利要求的保护范围为准。

Claims (35)

  1. 一种下行控制信息的发送方法,用于基站,包括:
    利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息;
    利用所述配置信息配置所述待发送下行控制信息;
    向移动通信终端发送所述待发送下行控制信息。
  2. 根据权利要求1所述的发送方法,还包括:
    向所述移动通信终端发送所述对应关系。
  3. 根据权利要求2所述的发送方法,其中,所述对应关系通过控制资源集发送。
  4. 根据权利要求3所述的发送方法,其中,所述控制资源集通过高层信令传输。
  5. 根据权利要求1所述的发送方法,其中,所述对应关系中,第一数量小于第二数量,所述第一数量为:第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级所对应的搜索空间的数量之和;所述第二数量为:第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级所对应的搜索空间数量之和。
  6. 根据权利要求5所述的发送方法,其中,所述对应关系中,相同的聚合等级对应的候选空间数量相同,第一聚合等级大于第二聚合等级,所述第一聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最大聚合等级,所述第二聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最大聚合等级。
  7. 根据权利要求6所述的发送方法,其中,所述对应关系中,第三聚合等级大于第四聚合等级,所述第三聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最小聚合等级,所述第四聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最小聚合等级。
  8. 根据权利要求5所述的发送方法,其中,所述对应关系中,对应于同 一聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于或等于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量,且存在至少一个聚合等级,对应于所述至少一个聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量。
  9. 一种下行控制信息的接收方法,用于移动通信终端,包括:
    确定待接收下行控制信息的一种或者几种可能的负荷大小;
    确定与所述可能的负荷大小对应的配置信息;
    根据所述配置信息接收基站发送的所述待接收下行控制信息。
  10. 根据权利要求9所述的接收方法,还包括:
    接收基站发送的与所述待接收下行控制信息的负荷大小对应的控制资源集,所述控制资源集中记录有所述待接收下行控制信息的与聚合等级相关联的配置信息;
    所述确定待接收下行控制信息的可能的负荷大小的步骤,具体包括:根据所述控制资源集确定所述可能的负荷大小;
    所述确定与所述可能的负荷大小对应的配置信息的步骤,具体包括:通过解析所述控制资源集确定所述配置信息。
  11. 根据权利要求10所述的接收方法,其中,所述控制资源集通过高层信令传输。
  12. 根据权利要求9所述的接收方法,其中,所述确定与所述可能的负荷大小对应的配置信息具体包括:
    根据下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定与所述可能的负荷大小对应的配置信息。
  13. 根据权利要求12所述的接收方法,其中,所述对应关系中,第一数量小于第二数量,所述第一数量为:第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级所对应的搜索空间的数量之和;所述第二数量为:第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级所对应的搜索空间数量之和。
  14. 根据权利要求13所述的接收方法,其中,所述对应关系中,相同的聚合等级对应的候选空间数量相同,第一聚合等级大于第二聚合等级,所述第一聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最大聚合等级,所述第二聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最大聚合等级。
  15. 根据权利要求14所述的接收方法,其中,所述对应关系中,第三聚合等级大于第四聚合等级,所述第三聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最小聚合等级,所述第四聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最小聚合等级。
  16. 根据权利要求13所述的接收方法,其中,所述对应关系中,对应于同一聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于或等于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量,且存在至少一个聚合等级,对应于所述至少一个聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量。
  17. 一种基站,包括:
    确定模块,用于利用下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定待发送下行控制信息的配置信息;
    配置模块,用于利用所述配置信息配置所述待发送下行控制信息;
    第一发送模块,用于向移动通信终端发送所述待发送下行控制信息。
  18. 根据权利要求17所述的基站,还包括:
    第二发送模块,用于向所述移动通信终端发送所述对应关系。
  19. 根据权利要求18所述的基站,其中,所述对应关系通过控制资源集发送。
  20. 根据权利要求19所述的基站,其中,所述控制资源集通过高层信令传输。
  21. 根据权利要求17所述的基站,其中,所述对应关系中,第一数量小 于第二数量,所述第一数量为:第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级所对应的搜索空间的数量之和;所述第二数量为:第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级所对应的搜索空间数量之和。
  22. 根据权利要求21所述的基站,其中,所述对应关系中,相同的聚合等级对应的候选空间数量相同,第一聚合等级大于第二聚合等级,所述第一聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最大聚合等级,所述第二聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最大聚合等级。
  23. 根据权利要求22所述的基站,其中,所述对应关系中,第三聚合等级大于第四聚合等级,所述第三聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最小聚合等级,所述第四聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最小聚合等级。
  24. 根据权利要求21所述的基站,其中,所述对应关系中,对应于同一聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于或等于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量,且存在至少一个聚合等级,对应于所述至少一个聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量。
  25. 一种移动通信终端,包括:
    第一确定模块,用于确定待接收下行控制信息的一种或者几种可能的负荷大小;
    第二确定模块,用于确定与所述可能的负荷大小对应的配置信息;
    第一接收模块,用于根据所述配置信息接收基站发送的所述待接收下行控制信息。
  26. 根据权利要求25所述的移动通信终端,还包括:
    第二接收模块,用于接收基站发送的与所述待接收下行控制信息的负荷大小对应的控制资源集,所述控制资源集中记录有所述待接收下行控制信息 的与聚合等级相关联的配置信息;
    所述第一确定模块具体用于根据所述控制资源集确定所述可能的负荷大小;
    所述第二确定模块具体用于通过解析所述控制资源集确定所述配置信息。
  27. 根据权利要求26所述的移动通信终端,其中,所述控制资源集通过高层信令传输。
  28. 根据权利要求25所述的移动通信终端,其中,所述第二确定模块具体用于:
    根据下行控制信息的聚合等级和/或聚合等级相对应的盲检测次数与下行控制信息的负荷大小的对应关系,确定与所述可能的负荷大小对应的配置信息。
  29. 根据权利要求28所述的移动通信终端,其中,所述对应关系中,第一数量小于第二数量,所述第一数量为:第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级所对应的搜索空间的数量之和;所述第二数量为:第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级所对应的搜索空间数量之和。
  30. 根据权利要求29所述的移动通信终端,其中,所述对应关系中,相同的聚合等级对应的候选空间数量相同,第一聚合等级大于第二聚合等级,所述第一聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最大聚合等级,所述第二聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最大聚合等级。
  31. 根据权利要求30所述的移动通信终端,其中,所述对应关系中,第三聚合等级大于第四聚合等级,所述第三聚合等级为第一负荷大小和第二负荷大小中较大的负荷大小对应的所有聚合等级中的最小聚合等级,所述第四聚合等级为所述第一负荷大小和第二负荷大小中较小的负荷大小对应的所有聚合等级中的最小聚合等级。
  32. 根据权利要求29所述的移动通信终端,其中,所述对应关系中,对应于同一聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于或等于第一负荷大小和第二负荷大小中较小的负荷大小对 应的候选空间数量,且存在至少一个聚合等级,对应于所述至少一个聚合等级,第一负荷大小和第二负荷大小中较大的负荷大小对应的候选空间数量小于第一负荷大小和第二负荷大小中较小的负荷大小对应的候选空间数量。
  33. 一种基站,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,其中,所述处理器执行所述程序时实现如权利要求1-8任一项所述的下行控制信息的发送方法。
  34. 一种移动通信终端,包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,其中,所述处理器执行所述程序时实现如权利要求9-16任一项所述的下行控制信息的接收方法。
  35. 一种计算机可读存储介质,其上存储有计算机程序,其中,该程序被处理器执行时实现如权利要求1-8任一项所述的下行控制信息的发送方法,或者实现如权利要求9-16任一项所述的下行控制信息的接收方法。
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