WO2021052067A1 - 信息指示方法、装置和存储介质 - Google Patents

信息指示方法、装置和存储介质 Download PDF

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Publication number
WO2021052067A1
WO2021052067A1 PCT/CN2020/108581 CN2020108581W WO2021052067A1 WO 2021052067 A1 WO2021052067 A1 WO 2021052067A1 CN 2020108581 W CN2020108581 W CN 2020108581W WO 2021052067 A1 WO2021052067 A1 WO 2021052067A1
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Prior art keywords
configuration information
information
configuration
type
resource set
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PCT/CN2020/108581
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English (en)
French (fr)
Inventor
刘星
蒋创新
郝鹏
李儒岳
张淑娟
陈梦竹
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP20866491.2A priority Critical patent/EP4033798A4/en
Priority to US17/776,593 priority patent/US20220407655A1/en
Priority to KR1020227013137A priority patent/KR20220065847A/ko
Publication of WO2021052067A1 publication Critical patent/WO2021052067A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • This application relates to the field of communications, for example, to an information indication method, device, and storage medium.
  • the New Radio (NR) system has higher configuration flexibility, and accordingly, higher requirements are put forward on the capabilities of the terminal.
  • the standard defines the basic capabilities that a conventional NR terminal must support, for example, bandwidth capability, that is, the terminal must support the initial access-related signal channel bandwidth in all configurations, and so on. Even to realize the support for these basic capabilities, it still requires a higher cost than before.
  • bandwidth capability that is, the terminal must support the initial access-related signal channel bandwidth in all configurations, and so on.
  • Even to realize the support for these basic capabilities it still requires a higher cost than before.
  • not all scenarios require such high terminal capabilities, such as smart wearable devices, industrial sensors, etc. In typical communication scenarios, such devices themselves do not need Support large bandwidth transmission.
  • lower-capacity terminal equipment types for such scenarios, such as smaller bandwidth capabilities, fewer antennas, etc., so as to reduce the production cost of the terminal and also reduce the energy consumption during the working process of the terminal. It can be called a low profile terminal or NR lite UE.
  • the present application provides an information indication method, device, and storage medium, which realize that a conventional terminal and a low-configuration terminal share the same configuration information and simultaneously access the network.
  • the embodiment of the present application provides an information indication method, including:
  • the corresponding second configuration information is determined according to a predefined conversion rule and the first configuration information, where both the first configuration information and the second configuration information include at least one of the following: control resource set configuration information, search space Configuration information, demodulation reference signal DMRS configuration information, and cell prohibition indication field in the MIB information of the master information block;
  • the embodiment of the present application also provides an information indication method, including:
  • the system information is sent according to the second configuration information determined according to the pre-defined conversion rule and the first configuration information, where both the first configuration information and the second configuration information include at least one of the following: control resource set configuration information , Search space configuration information, demodulation reference signal DMRS configuration information, and cell prohibition indication field in the MIB information of the master information block.
  • An embodiment of the present application also provides an information indicating device, including:
  • the first receiving module is configured to receive the first configuration information sent by the first communication node
  • the first determining module is configured to determine corresponding second configuration information according to a predefined conversion rule and the first configuration information, and both the first configuration information and the second configuration information include the following: control resource Aggregate configuration information, search space configuration information, demodulation reference signal DMRS configuration information, and cell prohibition indication field in the MIB information of the master information block;
  • the second receiving module is configured to receive system information according to the instructions of the second configuration information.
  • An embodiment of the present application also provides an information indicating device, including:
  • the first sending module is configured to send the first configuration information to the second communication node
  • the second sending module is configured to send system information according to the instructions of the second configuration information determined according to the pre-defined conversion rules and the first configuration information, and both the first configuration information and the second configuration information include the following At least one item: control resource set configuration information, search space configuration information, demodulation reference signal DMRS configuration information, and cell prohibition indication field in the MIB information of the master information block.
  • An embodiment of the present application also provides a storage medium that stores a computer program, and when the computer program is executed by a processor, implements the information indication method described in any of the foregoing embodiments.
  • FIG. 1 is a schematic diagram of the internal structure of an SSB provided by an embodiment of the present application
  • FIG. 2 is a schematic diagram of a multiplexing pattern of SSB and CORSET0 provided by an embodiment of the present application;
  • FIG. 3 is a flowchart of an information indication method provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of the start symbol position configuration of a first type terminal and a second type terminal according to an embodiment of the present application
  • FIG. 5 is a schematic diagram of the start symbol position configuration of another type 1 terminal and a type 2 terminal according to an embodiment of the present application;
  • FIG. 6 is a schematic diagram of another start symbol position configuration of a first-type terminal and a second-type terminal according to an embodiment of the present application
  • FIG. 7 is a schematic diagram of a time-frequency resource relationship between a control resource set 0 and a synchronization signal block provided by an embodiment of the present application;
  • FIG. 8 is a flowchart of another information indicating method provided by an embodiment of the present application.
  • FIG. 9 is a structural block diagram of an information indicating device provided by an embodiment of the present application.
  • FIG. 10 is a structural block diagram of another information indicating device provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a device provided by an embodiment of the present application.
  • the UE first receives the synchronization signal/physical broadcast channel block (Synchronization Signal/Physical Broadcast Channel Block, SSB).
  • the SSB is used to carry the synchronization signal, the physical broadcast channel (and the corresponding demodulation reference signal (Demodulation Reference Signa, DMRS)). )) Wait for access to the time-frequency domain resources of the relevant signal channel.
  • Fig. 1 is a schematic diagram of an internal structure of an SSB provided by an embodiment of the present application.
  • the SSB contains 4 symbols.
  • the first symbol and the third symbol respectively carry the primary synchronization signal (Primary Synchronization Signal, PSS) and the secondary synchronization signal (Secondary Synchronization Signal, SSS), and the synchronization signal sequences are mapped separately On 127 resource elements (Resource Element, RE) among them.
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • the Physical Broadcast Channel (PBCH) is only carried on the second and fourth symbols in the SSB; or, as shown in Figure 1(b)
  • the PBCH is mapped on the second symbol, the third symbol, and the fourth symbol in the SSB.
  • the number of occupied REs is as follows: 240 REs are occupied on the second symbol and the fourth symbol, and 48 REs on both sides of the SSS are occupied by PBCH on the third symbol. There are 96 REs in total.
  • the PBCH DMRS is mapped on all or part of the PBCH RB part of the RE, for example, the PBCH DMRS is mapped at a density of 1/4 (that is, one DMRS RE is mapped for every 4 REs).
  • the synchronization signal is aligned with the center frequency of the PBCH.
  • the SSB can also be extended to a time domain structure of more symbols. For example, one or two PBCH symbols are added on the basis of Fig. 1(a) and Fig. 1(b) to carry more broadcast information. Among them, the added symbol can be inserted in any position of the 4-symbol SSB structure.
  • a cell contains multiple SSBs to achieve coverage of the expected range.
  • the multiple SSBs in a transmission period are numbered according to the time domain sequence, that is, the SSB index i ranges from 0 to L max -1, where L max is the maximum number of SSBs in a period.
  • the Master Information Block (MIB) carried in the PBCH contains the reception configuration information of the Type 0 Physical Downlink Control Channel (Type 0 Physical Downlink Control Channel, Type 0 PDCCH) of System Information Block 1 (System Information Block 1, SIB1) .
  • FIG. 2 is a schematic diagram of a multiplexing pattern of SSB and CORSET0 provided by an embodiment of the present application.
  • Control Resource Set zero (CORESET0) refers to a resource set used to carry Type 0 PDCCH.
  • CORESET0 refers to a resource set used to carry Type 0 PDCCH.
  • time division multiplexing or frequency division multiplexing between CORESET0 and SSB is supported.
  • there are three multiplexing patterns between SSB and CORSET0 namely pattern 1 (pattern1), pattern 2 (pattern2) and pattern 3 (pattern3).
  • under pattern1, CORESET0 and SSB are time-division multiplexed, that is, the two occupy different time domain resources.
  • CORESET0 contains SSB; under pattern2 and pattern3, SSB and CORESET0 occupy different frequency domains. The difference is that in pattern2, CORESET0 occupies the symbol in front of the SSB in the time domain; under pattern3, CORESET0 occupies the symbol in the SSB in the time domain.
  • Table 1 is a schematic table of the multiplexing pattern of SSB and CORESET0 and the relationship between subcarrier spacing.
  • the multiplexing pattern of SSB and CORESET0 as shown in Table 1 and the combination of SubCarrier Space (SCS) are supported.
  • the SSB includes 240 REs
  • CORESET0 supports multiple bandwidth configurations.
  • the bandwidth configuration supported by CORESET0 includes at least one of the following: 24 RBs, 48 RBs, and 96 RBs.
  • the bandwidth of SSB and the value of CORESET0 bandwidth are listed.
  • Table 1 A multiplexing pattern of SSB and CORESET0, and a schematic table of the relationship between subcarrier spacing
  • Table 2 is a schematic table for joint indication of the configuration parameters of CORESET0.
  • Table 2 is the configuration table of CORSET0 when SCS is ⁇ 15,15 ⁇ kHz.
  • 4 bits are used to indicate the currently applied configuration, which respectively correspond to indexes 0-15.
  • respectively indicate the multiplexing pattern between SSB and CORESET0, and the number of RBs of CORESET0, denoted as The number of symbols of CORESET0, denoted as The frequency domain offset between CORESET0 and SSB is recorded as offset, and then the frequency domain position of CORESET0 is obtained.
  • Table 2 A schematic table for joint indication of the configuration parameters of CORESET0
  • the bandwidth capability does not support communication in all configurations.
  • the bandwidth capability of a low-configuration terminal is defined as 5MHz.
  • CORESET0 is configured with 48 RBs and 96 RBs, the bandwidth is 8.64MHz and 17.28MHz, respectively .
  • Low-profile terminals cannot detect Type0 PDCCH and access the network in the CORESET0 range according to the configuration.
  • CORESET0 is configured with a lower bandwidth, such as 24 RBs, 4.32MHz.
  • the CORESET0 configuration of index 6-14 will be restricted, which affects the performance of conventional terminals (type 2 terminals) accessing the network.
  • the first type of terminals namely low-configuration terminals
  • the second type of terminals namely conventional capabilities Terminal
  • two types of base stations are defined: the first type of base station, which supports the access and operation of low-configuration terminals, such as the base station of Release 16 and higher. Accordingly, the subordinate cell of the first type of base station is called the first type of base station. Class cell; the second type of base station, a base station that does not support low-configuration terminal access and operation, such as Release 15 and lower base stations.
  • Fig. 3 is a flowchart of an information indication method provided by an embodiment of the present application. This embodiment is executed by the second communication node.
  • the second communication node is a low-configuration terminal that cannot support the bandwidth capability required by the conventional terminal, that is, the second communication node is the first type of terminal in the foregoing embodiment, and the second type of terminal is the conventional terminal.
  • the method in this embodiment includes S120-S160.
  • S120 Receive first configuration information sent by the first communication node.
  • S140 Determine corresponding second configuration information according to a predefined conversion rule and the first configuration information.
  • Both the first configuration information and the second configuration information include at least one of the following: control resource set configuration information, search space configuration information, demodulation reference signal DMRS configuration information, and cell prohibition indication field in MIB information.
  • S160 Receive system information according to the instruction of the second configuration information.
  • the first configuration information and the second configuration information contain the same information, that is, the first configuration information includes at least one of the following: control resource set configuration information, search space configuration information, demodulation reference signal DMRS configuration information , Cell prohibition indication field in MIB information.
  • the second configuration information corresponds to the first configuration information, that is, when the second configuration information is control resource set configuration information, the first configuration information is also control resource set configuration information; the second configuration information is search space configuration In the case of information, the first configuration information is also search space configuration information; when the second configuration information is DMRS configuration information, the first configuration information is also DMRS configuration information; in the case of MIB information, the first configuration information is cell prohibition In the case of the indication field, the second configuration information is to prohibit the indication field for the cell in the MIB information.
  • the first communication node is a base station.
  • the first configuration information refers to original configuration information corresponding to the first type of terminal
  • the second configuration information refers to new configuration information corresponding to the first type of terminal.
  • the system information includes: access indication information.
  • the terminal of the first type determines whether it can access the current cell according to the access indication information.
  • the first configuration information is control resource set configuration information
  • the corresponding second configuration information is determined according to a predefined conversion rule and the first configuration information , Including: determining the mapping relationship between the first type of configuration index and the second type of configuration index, the first type of configuration index corresponds to the control resource collection configuration information that the first type of terminal cannot support, and the second type of configuration index corresponds to the first type of terminal Supportable control resource collection configuration information; in the case that the configuration index corresponding to the first configuration information belongs to the first type of configuration index, the corresponding configuration index in the second type of configuration index is determined according to the mapping relationship; The configuration information of the configuration index corresponding to the configuration index is used as the corresponding second configuration information.
  • determining the mapping relationship between the first type of configuration index and the second type of configuration index includes one of the following: determining the relationship between the first type of configuration index and the second type of configuration index according to a preset mapping rule The mapping relationship between the first type of configuration index and the second type of configuration index is predefined; the mapping relationship between the first type of configuration index and the second type of configuration index is determined according to the received signaling.
  • determining the mapping relationship between the first type of configuration index and the second type of configuration index includes: determining the mapping relationship between the first type of configuration index and the second type of configuration index according to a preset mapping rule, That is, there is a preset mapping rule between the first type of configuration index and the second type of configuration index, and the second type of configuration index can be obtained according to the first type of configuration index.
  • the preset mapping rule may be a calculation formula or a function.
  • determining the mapping relationship between the configuration index of the first type and the configuration index of the second type includes: predefining the mapping relationship between the configuration index of the first type and the configuration index of the second type, that is, in the first type There is a mapping relationship between the configuration index and the second type of configuration index.
  • it may be a mapping relationship table, that is, the corresponding second type of configuration index is found according to the first type of configuration index.
  • the configuration index of the first type and the configuration index of the second type have a one-to-one correspondence.
  • determining the mapping relationship between the configuration index of the first type and the configuration index of the second type includes: determining the mapping relationship between the configuration index of the first type and the configuration index of the second type according to the received signaling, That is, the mapping relationship between the first type of configuration index and the second type of configuration index is indicated in the signaling.
  • the mapping relationship between the first type of configuration index and the second type of configuration index is determined, where the first type of configuration index is the CORESET0 configuration that cannot be supported by low-configuration UEs (that is, the first type of terminal), and the second type
  • the configuration index is the CORESET0 configuration that the low-configuration UE can support.
  • the CORESET0 configuration that cannot be supported by the first type of terminal includes the following: the bandwidth of CORESET0 is greater than the bandwidth capability of the first type of terminal, or the frequency domain position of CORESET0 does not apply to the first type of terminal, or the symbol of CORESET0 The number is not supported by the first type of terminal, or the multiplexing mode between SSB and CORESET0 is not supported by the first type of terminal, etc.
  • indexes 6 to 14 belong to the first type of configuration index
  • indexes 0 to 5 belong to the second type of configuration index
  • index 15 is a reserved configuration index.
  • the predefined mapping relationship is that each configuration index in the first type of configuration index corresponds to the first configuration index in the second type of configuration index; the predefined mapping relationship can be the mapping rule given in the protocol or It is the mapping relationship indicated by the first communication node to the terminal of the first type through signaling.
  • the definition of the mapping relationship is used when the configured index belongs to the first type of configuration index, it can be uniquely mapped to a certain configuration index in the second type of configuration index, and any other mapping relationship is supported.
  • the low-configuration terminal determines the mapping relationship between the above-mentioned predefined second type of configuration index and the first type of configuration index according to the mapping relationship between the second type of configuration index and the first type of configuration index.
  • the current CORESET0 configuration index corresponding to the configured CORESET0 configuration index is index0; this does not affect the understanding of the CORESET0 configuration of the second type of terminal with conventional capabilities as index8, thus realizing that the first type of terminal and the second type of terminal are in accordance with their respective Detect Type0 PDCCH on the corresponding time-frequency resource, and access the cell under the same first communication node.
  • the method of establishing a mapping relationship between the first type of configuration index and the second type of configuration index in the above embodiment can also be used to realize the first type of terminal Re-understand the configuration information of the control resource collection.
  • determining the corresponding second configuration information according to the pre-defined conversion rule and the first configuration information further includes: adjusting the number of symbols of the control resource set in the control resource set configuration information.
  • adjusting the number of symbols of the control resource set in the control resource set configuration information includes: according to the number of resource block RBs in the control resource set in the first configuration information and the number of RBs in the control resource set in the second configuration information. And the number of symbols in the control resource set in the first configuration information determine the number of symbols in the control resource set corresponding to the first type of terminal.
  • the second configuration information is determined according to the number of resource block RBs in the control resource set in the first configuration information, the number of RBs in the control resource set in the second configuration information, and the number of symbols in the control resource set in the first configuration information.
  • the number of symbols in the control resource set corresponding to the communication node includes: the number of symbols in the control resource set corresponding to the second communication node is the product of the first RB ratio and the number of symbols in the control resource set in the first configuration information.
  • the one-RB ratio is the ratio between the number of RBs in the control resource set in the first configuration information and the number of RBs in the control resource set in the second configuration information.
  • the second configuration information is determined according to the number of resource block RBs in the control resource set in the first configuration information, the number of RBs in the control resource set in the second configuration information, and the number of symbols in the control resource set in the first configuration information.
  • the number of symbols in the control resource set corresponding to the communication node includes: the number of symbols in the control resource set corresponding to the second communication node is the product of the first RB ratio and the number of symbols in the control resource set in the first configuration information, and The maximum value between the number of symbols in the control resource set in the second configuration information, and the first RB ratio is between the number of RBs in the control resource set in the first configuration information and the number of RBs in the control resource set in the second configuration information Ratio.
  • the CORESET0 bandwidth of the second type of terminal is configured to 48RB, and after the configuration conversion is performed according to the above-defined mapping relationship (ie conversion from index8 to index0), the CORESET0 bandwidth of the first type of terminal is 24RB, that is, the first type of terminal
  • the bandwidth of CORESET0 is 1/2 of the configuration index8. At this time, the number of symbols of CORESET0 can be correspondingly changed to 2 times of the original configuration, and the number of symbols in index0 is ignored.
  • the value of, that is, the number of CORESET0 symbols of the first type of terminal is determined to be 4, that is, the number of the first type of terminal is defined
  • the “original configuration” refers to the configuration indicated in the PBCH (in this embodiment, the configuration corresponding to index8), that is, the control resource set in the first configuration information
  • the “new configuration” refers to the configuration after configuration conversion according to the mapping relationship (In this embodiment, it is the configuration corresponding to index0), that is, the control resource set in the second configuration information.
  • the “original configuration” refers to the configuration indicated in the PBCH (in this embodiment, the configuration corresponding to index8), that is, the control resource set in the first configuration information
  • the “new configuration” refers to the configuration after configuration conversion according to the mapping relationship (In this embodiment, it is the configuration corresponding to index0), that is, the control resource set in the second configuration information.
  • CORESET defines the size and frequency domain position of the time-frequency resource block for the UE to detect PDCCH.
  • the time-domain position of PDCCH detection (also called monitoring Occasion (MO)) is indicated by search space configuration information .
  • the search space of Type0 PDCCH is also called search space 0 (SearchSpaceZero, SS0). It is indicated by the 4bit indication field SS0 in the PBCH.
  • Table 3 is an indication table of search space 0. As shown in Table 3, 4 bits are used to indicate index 0-15, and different indexes respectively correspond to a search space configuration. Among them, O and M are the parameters used when calculating the index of the slot where the monitoring opportunity is located; in Table 3 The middle union indicates the number of search spaces in the slot and the starting symbol index.
  • Table 3 A schematic table of indication information of search space 0
  • searchSpaceZero configuration For the same search space indication information, that is, the same searchSpaceZero configuration, a different understanding is defined for the first type of terminal and the second type of terminal.
  • the first configuration information is search space configuration information
  • the first configuration information is search space configuration information
  • the corresponding second configuration information is determined according to a predefined conversion rule and the first configuration information, including :
  • determining, according to the first configuration information, the time slot position of the second communication node to monitor the first physical downlink control channel includes:
  • the time slot index corresponding to the second communication node is calculated according to the first configuration information, and the time slot index is the index in the radio frame of the time slot where the PDCCH monitoring opportunity corresponding to the second communication node is located.
  • the calculation formula of the time slot index is:
  • O is the first parameter value
  • M is the second parameter value
  • offset 1 is the first preset offset, and is related to M
  • i is the synchronization signal block index
  • ⁇ and the subcarrier interval meet the predefined correspondence (as shown in Table 4)
  • the first parameter value and the second parameter value are from the first One is obtained from the configuration information.
  • Table 4 is a mapping table between ⁇ and subcarrier spacing provided in an embodiment of the present application.
  • Table 4 A mapping table between ⁇ and sub-carrier spacing
  • Sub-carrier spacing ⁇ f 2 ⁇ ⁇ 15[kHz] 0 15 1 30 2 60 3 120 4 240 5 480 6 960 7 1920 8 3840
  • the second type of terminal can use the formula Calculated Type0 PDCCH monitoring time slot is located in the radio frame index, and n listening Type0 PDCCH from the start of two consecutive slot 0.
  • the values of the first parameter value O and the second parameter value M are indicated by the indication field SSO, and i is the synchronization information block index (ie, the SSB index).
  • an additional first preset offset (ie offset1) is introduced to adjust the position of the type 0 PDCCH time slot for the first type of terminal to monitor, thereby avoiding two types of UEs (the first type of terminal and the second type of terminal)
  • the PDCCH conflicts Use formula Calculate the index of the slot in the radio frame where the monitoring opportunity of the Type0 PDCCH is located.
  • the first preset offset offset1 is related to the value of the second parameter value M.
  • Table 5 is a mapping relationship table between the second parameter value and the first preset offset. As shown in Table 5, the second parameter value has a one-to-one correspondence with the first preset offset. Among them, L max in Table 5 is the maximum number of SSBs.
  • Table 5 A mapping relationship table between the second parameter value and the first preset offset
  • Second parameter value First preset offset 1/2 L max /2+1 1 L max +1 2 2L max +1
  • determining the start symbol index of the second communication node monitoring opportunity according to the start symbol index of the second type of terminal monitoring opportunity in the first configuration information includes:
  • the start symbol index of the second type of terminal monitoring opportunity is moved backward by the second preset offset to obtain the start symbol index of the second communication node monitoring opportunity.
  • the value of the second preset offset is at least as follows One item is related to: the number of search spaces contained in a time slot, and whether the two search spaces are connected when two search spaces are contained in a time slot.
  • the second type of terminal determines the start symbol index of the monitoring opportunity according to the start symbol index indicated by SS0; the first type of terminal can be shifted backward based on the indicated start symbol index. Shift a second preset offset, denoted as offset2.
  • the second preset offset may be And or
  • one search space is included in one time slot, or, when two search spaces are included in one time slot and the two search spaces are not connected, the second preset offset is the second type The number of symbols in the control resource set corresponding to the terminal.
  • FIG. 4 is a schematic diagram of the configuration of the start symbol positions of a first type terminal and a second type terminal according to an embodiment of the present application.
  • the preset offset is offset2.
  • MO1 is the monitoring timing of the second type of terminal
  • MO2 is the monitoring timing of the first type of terminal.
  • the second preset offset offset2 is among them, Is the number of CORESET symbols for the second type of terminal.
  • FIG. 5 is a schematic diagram of the configuration of the start symbol positions of another first-type terminal and a second-type terminal according to an embodiment of the present application. As shown in Figure 5, when two search spaces are included in one time slot and the two search spaces are not connected, the start symbol position of the first type of terminal monitoring opportunity and the start symbol position of the second type of terminal monitoring opportunity The difference between the two is the second preset offset, that is, offset2.
  • MO1 and MO3 are the monitoring timings of the second type of terminals
  • MO2 and MO4 are the monitoring timings of the first type of terminals
  • the second preset offset offset2 is That is, the offset between the start symbol of MO2 and the start symbol of MO1 is The offset between the start symbol of MO4 and the start symbol of MO3 is among them, Is the number of CORESET symbols for the second type of terminal.
  • the second preset offset is twice the number of symbols in the control resource set corresponding to the second type of terminal. Or, the sum of the number of symbols in the control resource set corresponding to the second type of terminal and the number of symbols in the control resource set corresponding to the second communication node.
  • FIG. 6 is a schematic diagram of another configuration of start symbol positions of a first type terminal and a second type terminal provided by an embodiment of the present application.
  • MO1 and MO2 are the monitoring timings of the second type of terminals
  • MO3 and MO4 are the monitoring timings of the first type of terminals.
  • a time slot contains two search spaces and the two search spaces are connected, Mark the offset between the start symbol of MO3 and the start symbol of MO1 as offset21, that is, offset21 is Mark the offset between the start symbol of MO4 and the start symbol of MO2 as offset22, that is, offset22 is among them, Is the number of CORESET symbols for the second type of terminal; Is the number of CORESET symbols for the first type of terminal.
  • the first configuration information is DMRS configuration information
  • the first configuration information is DMRS configuration information
  • the corresponding second configuration information is determined according to a predefined conversion rule and the first configuration information, including:
  • Configure the frequency domain position of subcarrier 0 of the lowest RB in the control resource set corresponding to the second type of terminal use the frequency domain position of subcarrier 0 as a reference point to map the DMRS sequence of the first PDCCH corresponding to the second communication node.
  • the first type of terminal is used to determine the corresponding PDCCH DMRS.
  • FIG. 7 is a schematic diagram of a time-frequency resource relationship between a control resource set 0 and a synchronization signal block provided by an embodiment of the present application.
  • the CORESET of the first type of terminal and the second type of terminal are configured on overlapping time-frequency resources
  • the CORESET of the second type of terminal for example, CORESET0, that is, the CORESET configuration indicated by the PBCH
  • the bandwidth range of includes the frequency domain range of CORESET (denoted as CORESET0' of the first type of terminal.
  • CORESET0' can be CORESET0 configured according to PBCH, and CORESET configuration obtained according to the mapping relationship defined by the configuration index in the foregoing embodiment.
  • the subcarrier 0 of the lowest RB of CORESET0' is f1
  • the subcarrier 0 of the lowest RB of CORESET0 is f0.
  • the Type0 PDCCH of the first type of terminal schedules the physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) within the bandwidth of CORESET0' );
  • the Type0 PDCCH of the second type of terminal will schedule the PDSCH within the CORESET0 bandwidth.
  • the first type of terminal generates a PDCCH DMRS sequence in a predefined manner, and uses f0 as a reference point to map the DMRS sequence on the resource corresponding to the PDCCH.
  • the second communication node and the second type of terminal share the Control information and DMRS.
  • the first PDCCH and the second PDCCH are both Type 0 PDCCH, but the time-frequency resource, code rate and other parameters of the first PDCCH and the second PDCCH are different, that is, the first PDCCH and the second PDCCH are independent.
  • the Type0 PDCCH i.e., the first PDCCH
  • the Type0 PDCCH i.e., the second PDCCH
  • the control information and DMRS of the two types of UEs namely, the first type of terminal and the second type of terminal
  • the time-frequency resources occupied by Type0 PDCCH of the first type of terminal are Control Channel Element (CCE) 1, CCE2, CCE5, and CCE6;
  • the time-frequency resources occupied by Type 0 of the second type of terminal are CCE3, CCE4, and CCE5 And CCE6, the control information mapped in CCE5 and CCE6 and the DMRS mapped on the corresponding resources can be shared by the two types of UEs.
  • CCE Control Channel Element
  • the base station should avoid two Type0 PDCCHs occupying the same CCE .
  • the access indication information field is used to indicate whether the current cell supports the access of the second communication node, or to indicate the protocol version supported by the current cell.
  • the access indication information field is defined in the system information (for example, SIB1), which is used to indicate whether the current cell supports the access of the first type of terminal, or to indicate the protocol version supported by the current cell.
  • SIB1 system information
  • the access indication information field is contained in the Type0 PDCCH, or in the PDSCH scheduled by the Type0 PDCCH, which can be a 1-bit signaling overhead. For example, 1 means that the access of the first type of terminal is supported, and 0 means that the first type of terminal is not supported. Access.
  • the existence of the access indication information field to implicitly indicate whether to support the access of the first type of terminal, if it exists, it means that the access of the first type of terminal is supported, and if it does not exist, it means that the access of the first type of terminal is not supported.
  • the first type of terminal receives the SSB and detects the Type0 PDCCH according to the Type0 PDCCH detection configuration (including the CORESET configuration and search space configuration) configured in the PBCH. At this time, there are one of the following two types:
  • the capability of the first type of terminal supports monitoring Type 0 PDCCH in the configured CORESET.
  • index 0 to 5 are configurations that can be supported by the first type of terminal.
  • the first type of terminal receives Type 0 PDCCH according to the configuration information.
  • the access indication information field is included in the Type 0 PDCCH, it is determined according to the indication field.
  • the first type of terminal receives the PDSCH according to the scheduling information of the PDCCH, and then determines whether the current cell allows the access of the first type of terminal. If allowed, the first type terminal performs uplink synchronization and accesses the network; if not allowed, the first type terminal gives up this access.
  • the capability of the first type of terminal does not support monitoring Type 0 PDCCH in the configured CORESET.
  • indexes 6 to 14 are configurations that cannot be supported by the first type of terminal.
  • the first type of terminal uses the CORESET configuration information to reinterpret the mapping relationship between the configuration index and the control resource set configuration in the above embodiment, and follow The reinterpreted configuration is used to receive Type0 PDCCH. If Type0 PDCCH is successfully detected, it means that the current cell is allowed to access the first type of terminal; if Type0 PDCCH cannot be detected successfully (or, if Type0 PDCCH detection is unsuccessful after multiple attempts) , Then give up access to the current cell.
  • the first configuration information is the cell prohibition indication field in the MIB information; the corresponding one is determined according to the predefined conversion rule and the first configuration information.
  • the second configuration information includes: redefining the second communication node's understanding of the value of the cell prohibition indication field.
  • the second configuration information is a reinterpretation of the cell prohibition indication field in the MIB information.
  • redefining the second communication node's understanding of the value of the cell prohibition indication field includes:
  • the access of the second communication node to the current cell is not restricted.
  • the information indication method further includes: determining whether the current cell allows the access of the second communication node according to the information indication field.
  • the PBCH is carried in the MIB information, and includes a cell barred indication field, which is used to restrict regular terminals (ie, type 2 terminals) from accessing the current cell. For example, cellbarred is barred. In the case of, the terminal's access to the cell is prohibited; when the cellbarred is not barred (notbarred), the terminal's access to the cell is allowed.
  • a cell barred indication field which is used to restrict regular terminals (ie, type 2 terminals) from accessing the current cell. For example, cellbarred is barred. In the case of, the terminal's access to the cell is prohibited; when the cellbarred is not barred (notbarred), the terminal's access to the cell is allowed.
  • the first type of terminal if the configured CORESET is supported by the first type of terminal (for example, in Table 2, the first type of terminal with a bandwidth capability of 5MHz supports the CORESET configuration index 0 to 5), no matter whether the value of cellbarred is notbarred or notbarred. Barred, the first type of terminal receives Type 0 PDCCH according to configuration information, and receives PDSCH according to PDCCH scheduling information.
  • the terminal of the first type can determine whether the current cell allows the access of the terminal of the first type according to the access indication information provided in the above-mentioned embodiment. If allowed, the terminal of the first type performs uplink synchronization and accesses the network. ; If not allowed, the first type terminal will give up this access.
  • the configured CORESET is not supported by the first-type terminal (for example, in Table 2, the first-type terminal with a bandwidth capability of 5MHz cannot support CORESET configuration index 6-14)
  • the first type of terminal reinterprets the CORESET configuration by performing the CORESET configuration information in the manner provided in the foregoing embodiment, and reinterprets the search space configuration in the manner provided in the foregoing embodiment, and performs Type0 PDCCH configuration according to the re-interpreted configuration.
  • Fig. 8 is a flowchart of another information indication method provided by an embodiment of the present application. This embodiment is executed by the first communication node. Wherein, the first communication node may be a base station. As shown in Figure 8, this embodiment includes S220-S240.
  • S220 Send the first configuration information to the second communication node.
  • S240 Send the system information according to the second configuration information determined according to the pre-defined conversion rule and the first configuration information, where both the first configuration information and the second configuration information include at least one of the following: control resource set configuration information, search space configuration Information, demodulation reference signal DMRS configuration information, and cell prohibition indication field in the MIB information of the master information block.
  • the system information includes: access indication information.
  • the first configuration information is original configuration information corresponding to the first type of terminal
  • the second configuration information is new configuration information corresponding to the first type of terminal.
  • the base station sends the original configuration information to the first-type terminal, and sends the next system information to the first-type terminal according to the obtained new configuration information, so that the first-type terminal accesses the current cell according to the access indication information in the system information.
  • Fig. 9 is a structural block diagram of an information indicating device provided by an embodiment of the present application. This embodiment is executed by the second communication node.
  • the second communication node is a terminal of the first type, that is, a low-configuration terminal that cannot support the bandwidth capability required by a conventional terminal.
  • the information indicating device in this embodiment includes: a first receiving module 320, a first determining module 340, and a second receiving module 360.
  • the first receiving module 320 is configured to receive the first configuration information sent by the first communication node; the first determining module 340 is configured to determine the corresponding second configuration information according to a predefined conversion rule and the first configuration information, the first configuration
  • the information and the second configuration information both include the following items: control resource set configuration information, search space configuration information, demodulation reference signal DMRS configuration information, the cell prohibition indication field in the MIB information of the master information block; the second receiving module 360, setting To receive system information according to the instructions of the second configuration information.
  • the information indicating device provided in this embodiment is configured to implement the information indicating method of the embodiment shown in FIG. 3.
  • the implementation principle and technical effect of the information indicating device provided in this embodiment are similar, and will not be repeated here.
  • the system information includes: access indication information.
  • the first determining module includes:
  • the first determining unit is configured to determine the mapping relationship between the first type of configuration index and the second type of configuration index, the first type of configuration index corresponds to the control resource collection configuration information that the first type of terminal cannot support, and the second type of configuration index corresponds to The control resource collection configuration information that the first type of terminal can support; the second determining unit is configured to determine the configuration index in the second type of configuration index according to the mapping relationship when the configuration index corresponding to the first configuration information belongs to the first type of configuration index Corresponding configuration index; the third determining unit is configured to use the configuration information of the configuration index corresponding to the second type of configuration index as the second configuration information.
  • determining the mapping relationship between the first type of configuration index and the second type of configuration index includes one of the following:
  • the first determining module further includes:
  • the adjustment unit is configured to adjust the number of symbols of the control resource set in the control resource set configuration information.
  • the adjustment unit includes: the number of resource blocks RBs in the control resource set in the first configuration information, the number of RBs in the control resource set in the second configuration information, and the control resource set in the first configuration information.
  • the number of symbols determines the number of symbols in the control resource set corresponding to the second communication node.
  • the second configuration information is determined according to the number of resource block RBs in the control resource set in the first configuration information, the number of RBs in the control resource set in the second configuration information, and the number of symbols in the control resource set in the first configuration information.
  • the number of symbols in the control resource set corresponding to the communication node includes:
  • the number of symbols in the control resource set corresponding to the second communication node is the product of the first RB ratio and the number of symbols in the control resource set in the first configuration information
  • the first RB ratio is the control resource set in the first configuration information
  • the second configuration information is determined according to the number of resource block RBs in the control resource set in the first configuration information, the number of RBs in the control resource set in the second configuration information, and the number of symbols in the control resource set in the first configuration information.
  • the number of symbols in the control resource set corresponding to the communication node includes:
  • the number of symbols in the control resource set corresponding to the second communication node is the product of the first RB ratio and the number of symbols in the control resource set in the first configuration information, and the number of symbols in the control resource set in the second configuration information.
  • the first RB ratio is the ratio between the number of RBs in the control resource set in the first configuration information and the number of RBs in the control resource set in the second configuration information.
  • the first determining module includes:
  • determining, according to the first configuration information, the time slot position of the second communication node to monitor the first physical downlink control channel includes:
  • the time slot index corresponding to the second communication node is calculated according to the first configuration information, and the time slot index is the index in the radio frame of the time slot where the PDCCH monitoring opportunity corresponding to the second communication node is located.
  • the calculation formula between slot indexes is:
  • O is the first parameter value
  • M is the second parameter value
  • offset 1 is the first preset offset, and is related to M
  • i is the synchronization signal block index
  • ⁇ and the subcarrier interval satisfy a predefined correspondence relationship, and the values of the first parameter value and the second parameter value are obtained from the first configuration information.
  • determining the start symbol index of the second communication node monitoring opportunity according to the start symbol index of the second type of terminal monitoring opportunity in the first configuration information includes:
  • the start symbol index in the first configuration information is used as the start symbol index of the second type of terminal monitoring opportunity; the start symbol index of the second type of terminal monitoring opportunity is moved backward by a second preset offset to obtain the second
  • the communication node monitors the starting symbol index of the timing, and the value of the second preset offset is related to at least one of the following: the number of search spaces contained in one time slot, and two search spaces in one time slot In the case of whether the two search spaces are connected.
  • one search space is included in one time slot, or, when two search spaces are included in one time slot and the two search spaces are not connected, the second preset offset is the second type The number of symbols in the control resource set corresponding to the terminal.
  • the second preset offset is twice the number of symbols in the control resource set corresponding to the second type of terminal. Or, the sum of the number of symbols in the control resource set corresponding to the second type of terminal and the number of symbols in the control resource set corresponding to the second communication node.
  • the first determining module includes:
  • the configuration unit is configured to configure the frequency domain position of subcarrier 0 of the lowest RB in the control resource set corresponding to the second type of terminal; the fourth determining unit is configured to use the frequency domain position of subcarrier 0 as a reference point to map the second communication
  • the DMRS sequence of the first PDCCH corresponding to the node is configured to use the frequency domain position of subcarrier 0 as a reference point to map the second communication.
  • the second communication node and the second type of terminal share the Control information and DMRS.
  • the access indication information field is used to indicate whether the current cell supports the access of the second communication node, or to indicate the protocol version supported by the current cell.
  • the first configuration information when the second configuration information is the cell prohibition indication field in the MIB information, the first configuration information is the cell prohibition indication field in the MIB information; the first determining module includes: redefining the second communication node pair The cell prohibits the understanding of the value of the indication field.
  • redefining the second communication node's understanding of the value of the cell prohibition indicator field includes: when the value of the cell prohibition indicator field is prohibited or not prohibited, the second communication node is not restricted from the current Access to the cell.
  • the information indicating device further includes: a second determining module configured to determine whether the current cell allows the access of the second communication node according to the information indicating field.
  • Fig. 10 is a structural block diagram of another information indicating device provided by an embodiment of the present application. This embodiment is executed by the first communication node. Wherein, the first communication node may be a base station. As shown in FIG. 10, the information indicating device in this embodiment includes: a first sending module 420 and a second sending module 440.
  • the first sending module is set to send the first configuration information to the second communication node; the second sending module is set to send the system information according to the instructions of the second configuration information determined according to the pre-defined conversion rule and the first configuration information, and the first Both the first configuration information and the second configuration information include at least one of the following: control resource set configuration information, search space configuration information, demodulation reference signal DMRS configuration information, and cell prohibition indication field in the MIB information of the master information block.
  • the information indicating device provided in this embodiment is configured to implement the information indicating method of the embodiment shown in FIG. 8.
  • the implementation principle and technical effect of the information indicating device provided in this embodiment are similar, and will not be repeated here.
  • the system information includes: access indication information.
  • FIG. 11 is a schematic structural diagram of a device provided by an embodiment of the present application.
  • the device provided by the present application includes: a processor 510 and a memory 520.
  • the number of processors 510 in the device may be one or more. In FIG. 11, one processor 510 is taken as an example.
  • the number of memories 520 in the device may be one or more, and one memory 520 is taken as an example in FIG. 11.
  • the processor 510 and the memory 520 of the device may be connected by a bus or in other ways. In FIG. 11, the connection by a bus is taken as an example.
  • the device is the second communication node.
  • the memory 520 can be configured to store software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the device of any embodiment of the present application (for example, the first receiving device in the information indicating device). Module, first determining module and second receiving module).
  • the memory 520 may include a storage program area and a storage data area.
  • the storage program area may store an operating system and an application program required by at least one function; the storage data area may store data created according to the use of the device, and the like.
  • the memory 520 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state storage devices.
  • the memory 520 may include a memory remotely provided with respect to the processor 510, and these remote memories may be connected to the device through a network. Examples of the aforementioned networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.
  • the above-provided device can be configured to execute the information indication method applied to the second communication node provided by any of the above-mentioned embodiments, and has corresponding functions and effects.
  • the program stored in the corresponding memory 520 may be the program instruction/module corresponding to the information indicating method applied to the first communication node provided in the embodiment of the present application, and the processor 510 is stored in the memory 520 by running
  • the software programs, instructions, and modules in the computer device execute one or more functional applications and data processing of the computer equipment, that is, to implement the information indicating method applied to the first communication node in the foregoing method embodiment.
  • the above-mentioned device is the first communication node, it can execute the information indication method applied to the first communication node provided by any embodiment of the present application, and has corresponding functions and effects.
  • An embodiment of the present application also provides a storage medium containing computer-executable instructions.
  • the computer-executable instructions are used to execute an information indicating method when executed by a computer processor.
  • the method is applied to a second communication node, and the method includes: Receive the first configuration information sent by the first communication node; determine the corresponding second configuration information according to the predefined conversion rules and the first configuration information, where both the first configuration information and the second configuration information include at least one of the following: control resources Collect configuration information, search space configuration information, DMRS configuration information, and cell prohibition indication field in MIB information; receive system information according to the instructions of the second configuration information.
  • the embodiment of the present application also provides a storage medium containing computer-executable instructions.
  • the computer-executable instructions are used to execute an information indication method when executed by a computer processor.
  • the method is applied to a first communication node, and the method includes: Send the first configuration information to the second communication node; send the system information according to the second configuration information determined according to the pre-defined conversion rule and the first configuration information, and both the first configuration information and the second configuration information include at least one of the following: Control resource set configuration information, search space configuration information, DMRS configuration information, and cell prohibition indication field in MIB information.
  • user equipment encompasses any suitable type of wireless user equipment, such as mobile phones, portable data processing devices, portable web browsers, or vehicular mobile stations.
  • the various embodiments of the present application can be implemented in hardware or dedicated circuits, software, logic or any combination thereof.
  • some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software that may be executed by a controller, microprocessor, or other computing device, although the present application is not limited thereto.
  • Computer program instructions can be assembly instructions, Instruction Set Architecture (ISA) instructions, machine instructions, machine-related instructions, microcode, firmware instructions, state setting data, or written in any combination of one or more programming languages Source code or object code.
  • ISA Instruction Set Architecture
  • the block diagram of any logic flow in the drawings of the present application may represent program steps, or may represent interconnected logic circuits, modules, and functions, or may represent a combination of program steps and logic circuits, modules, and functions.
  • the computer program can be stored on the memory.
  • the memory can be of any type suitable for the local technical environment and can be implemented using any suitable data storage technology, such as but not limited to read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), optical Memory devices and systems (Digital Video Disc (DVD) or Compact Disk (CD)), etc.
  • Computer-readable media may include non-transitory storage media.
  • the data processor can be any type suitable for the local technical environment, such as but not limited to general-purpose computers, special-purpose computers, microprocessors, digital signal processors (Digital Signal Processing, DSP), application specific integrated circuits (ASICs) ), programmable logic devices (Field-Programmable Gate Array, FPGA), and processors based on multi-core processor architecture.
  • DSP Digital Signal Processing
  • ASICs application specific integrated circuits
  • FPGA Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array

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Abstract

本申请提出一种信息指示方法、装置和存储介质。该信息指示方法包括：接收第一通信节点发送的第一配置信息；根据预先定义的转换规则和第一配置信息确定对应的第二配置信息，第一配置信息和第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，DMRS配置信息，MIB信息中小区禁止指示域；按照第二配置信息的指示接收系统信息。

Description

信息指示方法、装置和存储介质
本申请要求在2019年09月20日提交中国专利局、申请号为201910894189.6的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域，例如涉及一种信息指示方法、装置和存储介质。
背景技术
相较于传统系统，新空口(New Radio，NR)系统具有较高的配置灵活性，相应地，对终端的能力也提出了更高的要求。标准中定义了常规NR终端所必须支持的基本能力，例如，带宽能力，即终端必须支持所有配置下的初始接入相关信号信道带宽等等。即使是实现对这些基本能力的支持，仍然需要花费相较以往更高的成本。然而，在NR系统所支持的各种场景中，并不是所有场景都要求如此高的终端能力，例如，智能可穿戴设备，工业传感器等，这类设备在典型的通信场景中，本身并不需要支持大带宽的传输。因此，针对这类场景定义更低能力的终端设备类型，例如更小的带宽能力，更少的天线数量等，从而降低终端的生产成本，也降低了终端工作过程中的能耗，这类终端可以称为低配置终端，或者NR轻便用户终端(NR lite UE)。
在NR网络中，为了兼容这类终端的接入，网络侧在配置初始接入相关信号信道时，超过这类终端带宽能力的配置就无法配置了，这种配置灵活性的限制对常规终端是不公平的，无法获得更大带宽带来的性能增益。
发明内容
本申请提供一种信息指示方法、装置和存储介质，实现了常规终端与低配置终端共享相同的配置信息，并同时接入网络。
本申请实施例提供一种信息指示方法，包括：
接收第一通信节点发送的第一配置信息；
根据预先定义的转换规则和所述第一配置信息确定对应的第二配置信息，所述第一配置信息和所述第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，主信息块MIB信息中小区禁止指示域；
按照所述第二配置信息的指示接收系统信息。
本申请实施例还提供一种信息指示方法，包括：
向第二通信节点发送第一配置信息；
按照根据预先定义的转换规则和所述第一配置信息确定的第二配置信息发送系统信息，所述第一配置信息和所述第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，主信息块MIB信息中小区禁止指示域。
本申请实施例还提供一种信息指示装置，包括：
第一接收模块，设置为接收第一通信节点发送的第一配置信息；
第一确定模块，设置为根据预先定义的转换规则和所述第一配置信息确定对应的第二配置信息，所述第一配置信息和所述第二配置信息均包括下述一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，主信息块MIB信息中小区禁止指示域；
第二接收模块，设置为按照所述第二配置信息的指示接收系统信息。
本申请实施例还提供一种信息指示装置，包括：
第一发送模块，设置为向第二通信节点发送第一配置信息；
第二发送模块，设置为按照根据预先定义的转换规则和所述第一配置信息确定的第二配置信息的指示发送系统信息，所述第一配置信息和所述第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，主信息块MIB信息中小区禁止指示域。
本申请实施例还提供了一种存储介质，所述存储介质存储有计算机程序，所述计算机程序被处理器执行时实现上述任一实施例所述的信息指示方法。
附图说明
图1是本申请实施例提供的一种SSB内部结构的示意图；
图2是本申请实施例提供的一种SSB与CORSET0的复用图样示意图；
图3是本申请实施例提供的一种信息指示方法的流程图；
图4是本申请实施例提供的一种第一类终端和第二类终端的起始符号位置配置示意图；
图5是本申请实施例提供的另一种第一类终端和第二类终端的起始符号位置配置示意图；
图6是本申请实施例提供的又一种第一类终端和第二类终端的起始符号位 置配置示意图；
图7是本申请实施例提供的一种控制资源集合0与同步信号块之间的时频资源关系示意图；
图8是本申请实施例提供的另一种信息指示方法的流程图；
图9是本申请实施例提供的一种信息指示装置的结构框图；
图10是本申请实施例提供的另一种信息指示装置的结构框图；
图11是本申请实施例提供的一种设备的结构示意图。
具体实施方式
下文中将结合附图对本申请的实施例进行说明。
在NR系统中，UE首先接收同步信号/物理广播信道块(Synchronization Signal/Physical Broadcast CHannel Block，SSB)，SSB用于承载同步信号，物理广播信道(及对应解调参考信号(Demodulation Reference Signa，DMRS))等接入相关的信号信道的时频域资源。
图1是本申请实施例提供的一种SSB内部结构的示意图。如图1所示，SSB包含4个符号，第一符号和第三符号上分别承载了主同步信号(Primary Synchronization Signal，PSS)和辅同步信号(Secondary Synchronization Signal，SSS)，同步信号序列分别映射在其中的127个资源单元(Resource Element，RE)上。如图1(a)所示，在有些配置下，物理广播信道(Physical Broadcast Channel，PBCH)只承载在SSB内的第二个符号和第四个符号上；或者，如图1(b)所示，在另外一些资源配置下，PBCH映射在SSB内的第二个符号、第三个符号和第四个符号上。示例性地，在每个符号上，占用的RE数量如下示例：在第二个符号和第四个符号上占用240个RE，在第三个符号上，PBCH占用SSS两侧各48个RE，一共96个RE。比如，PBCH DMRS映射在全部或部分PBCH RB的部分RE上，例如，以1/4的密度(即每4个RE映射一个DMRS RE)映射PBCH DMRS。
在上述配置下，同步信号与PBCH的中心频率对齐。SSB也可以扩展为更多符号的时域结构，例如，在图1(a)，图1(b)的基础上增加一到两个PBCH符号，从而承载更多的广播信息。其中，增加的符号可以插在4符号SSB结构的任意位置。
一个小区内包含多个SSB，用于实现对预期范围的覆盖。一个传输周期内的多个SSB按照时域先后顺序编号，即SSB索引i从0到L max-1，其中，L max为一个周期内SSB的最大数量。
在PBCH内承载的主信息块(Master Information Block，MIB)中包含系统信息块1(System Information Block 1，SIB1)的类型0物理下行控制信道(Type0 Physical Downlink Control Channel，Type0 PDCCH)的接收配置信息。
图2是本申请实施例提供的一种SSB与CORSET0的复用图样示意图。如图2所示，控制资源集合0(Control Resource Set zero，CORESET0)指用于承载Type0 PDCCH的资源集合。在NR系统中，支持CORESET0与SSB之间进行时分复用或频分复用。其中，SSB与CORSET0之间包含三种复用图样，分别为图样1(pattern1)、图样2(pattern2)和图样3(pattern3)。其中，在pattern1下，CORESET0与SSB时分复用，即两者占用不同的时域资源，在频域维度上，CORESET0包含SSB；在pattern2和pattern3下，SSB与CORESET0在频域维度上都占用不同的频率资源，区别在于，在pattern2下，CORESET0时域上占用SSB前面的符号；在pattern3下，CORESET0时域上占用SSB所在的符号。
表1是一种SSB与CORESET0的复用图样，以及子载波间隔之间关系的示意表。根据NR系统配置，在不同的频率范围(Frequency Range，FR)内，支持如表1所示的SSB与CORESET0的复用图样及子载波间隔(SubCarrier Space，SCS)组合。其中，SSB包含240个RE，CORESET0支持多种带宽配置，比如，CORESET0支持的带宽配置包含以下至少一种：24个RB，48个RB，96个RB。在表1中，列出了SSB的带宽，以及CORESET0带宽的取值。
表1一种SSB与CORESET0的复用图样，以及子载波间隔之间关系的示意表
Figure PCTCN2020108581-appb-000001
Figure PCTCN2020108581-appb-000002
在NR系统中，常规终端需要支持上述所有被列出的带宽，从而可以在网络侧的任何接入参数配置下接入网络。
在标准中定义了一组表格，用于对CORESET0的配置参数进行联合指示。示例性地，表2是一种对CORESET0的配置参数进行联合指示的示意表。其中，表2是SCS为{15,15}kHz时的CORSET0的配置表格。在PBCH中利用4bit指示当前所应用的配置，分别对应于索引(index)0～15。其中，分别指示SSB与CORESET0之间的复用图样(pattern)，CORESET0的RB数量，记为
Figure PCTCN2020108581-appb-000003
CORESET0的符号数，记为
Figure PCTCN2020108581-appb-000004
CORESET0与SSB之间的频域偏移，记为offset，进而获取CORESET0的频域位置。
表2一种对CORESET0的配置参数进行联合指示的示意表
Figure PCTCN2020108581-appb-000005
对于低配置终端，带宽能力并不能支持在所有配置下进行通信，例如，定义低配置终端的带宽能力为5MHz，当CORESET0配置为48个RB和96个RB时，带宽分别为8.64MHz和17.28MHz。低配置终端是无法按照配置在CORESET0范围去检测Type0 PDCCH并接入网络的。为了兼顾这类终端(即低配置终端)的接入，CORESET0配置为更低的带宽，例如24个RB，4.32MHz。但index6～14的CORESET0配置将被限制，这影响了常规终端(第二类终端)接入网络的性能。
为了便于描述，定义两类终端：第一类终端，即低配置终端，对常规终端的能力做了一定简化，并不能支持常规终端所必须支持的带宽等能力；第二类终端，即常规能力的终端。同时，定义两类基站：第一类基站，支持低配置终端接入与运行的基站，例如版本(Release)16及更高版本的基站，相应地，第一类基站的下属小区称为第一类小区；第二类基站，不支持低配置终端接入与运行的基站，例如Release 15及更低版本的基站。
图3是本申请实施例提供的一种信息指示方法的流程图。本实施例由第二通信节点执行。其中，第二通信节点为无法支持常规终端所需支持的带宽能力的低配置终端，即第二通信节点为上述实施例中的第一类终端，第二类终端为常规终端。
如图3所示，本实施例中的方法包括S120-S160。
S120、接收第一通信节点发送的第一配置信息。
S140、根据预先定义的转换规则和第一配置信息确定对应的第二配置信息。
第一配置信息和第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，MIB信息中小区禁止指示域。
S160、按照第二配置信息的指示接收系统信息。
在实施例中，第一配置信息与第二配置信息所包含的信息相同，即第一配置信息包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，MIB信息中小区禁止指示域。第二配置信息与第一配置信息是对应的，即在第二配置信息为控制资源集合配置信息的情况下，第一配置信息也为控制资源集合配置信息；在第二配置信息为搜索空间配置信息的情况下，第一配置信息也为搜索空间配置信息；在第二配置信息为DMRS配置信息的情况下，第一配置信息也为DMRS配置信息；在第一配置信息为MIB信息中小区禁止指示域的情况下，第二配置信息为对MIB信息中小区禁止指示域。
第一通信节点为基站。在实施例中，第一配置信息指的是第一类终端对应的原始配置信息，第二配置信息指的是第一类终端对应的新配置信息。在第一类终端接收到原始配置信息之后，根据预先定义的转换规则和原始配置信息得到对应的新配置信息，按照新配置信息的指示接收下一个系统信息，并根据系统信息中的接入指示信息接入网络。本实施例通过重新定义低配置终端对系统信息比特域的理解，在不限制网络配置灵活性的前提下，实现了常规终端与低配置终端共享相同的配置信息，并同时接入网络，以及避免了为了兼容低配置 终端限制接入配置，而造成的对常规终端接入性能损失的问题。
在一实施例中，系统信息包括：接入指示信息。在实施例中，第一类终端根据接入指示信息确定是否能够接入到当前小区。
在一实施例中，在第二配置信息为控制资源集合配置信息的情况下，第一配置信息为控制资源集合配置信息；根据预先定义的转换规则和第一配置信息确定对应的第二配置信息，包括：确定第一类配置索引与第二类配置索引之间的映射关系，第一类配置索引对应第一类终端无法支持的控制资源集合配置信息，第二类配置索引对应第一类终端能够支持的控制资源集合配置信息；在第一配置信息对应的配置索引属于第一类配置索引的情况下，按照映射关系确定在第二类配置索引中所对应的配置索引；将在第二类配置索引中所对应的配置索引的配置信息作为对应的第二配置信息。
在一实施例中，确定第一类配置索引与第二类配置索引之间的映射关系，包括下述一项：按照预设映射规则，确定第一类配置索引与第二类配置索引之间的映射关系；预定义第一类配置索引与第二类配置索引之间的映射关系；按照接收到的信令确定第一类配置索引与第二类配置索引之间的映射关系。
在一实施例中，确定第一类配置索引与第二类配置索引之间的映射关系，包括：按照预设映射规则，确定第一类配置索引与第二类配置索引之间的映射关系，即在第一类配置索引和第二类配置索引之间存在一个预设映射规则，可根据第一类配置索引得到第二类配置索引。示例性地，预设映射规则可以为一个计算公式，也可以为一个函数。
在一实施例中，确定第一类配置索引与第二类配置索引之间的映射关系，包括：预定义第一类配置索引与第二类配置索引之间的映射关系，即在第一类配置索引和第二类配置索引之间存在一个映射关系，比如，可以为映射关系表，即根据第一类配置索引查找到对应的第二类配置索引。可选地，第一类配置索引和第二类配置索引是一一对应关系。
在一实施例中，确定第一类配置索引与第二类配置索引之间的映射关系，包括：按照接收到的信令确定第一类配置索引与第二类配置索引之间的映射关系，即在信令中指示了第一类配置索引和第二类配置索引之间的映射关系。
在实施例中，确定第一类配置索引与第二类配置索引之间的映射关系，其中，第一类配置索引为低配置UE(即第一类终端)无法支持的CORESET0配置，第二类配置索引为低配置UE所能够支持的CORESET0配置。例如，第一类终端无法支持的CORESET0配置，包括下述一项：CORESET0的带宽大于第一类终端的带宽能力，或者，CORESET0的频域位置不适用于第一类终端，或 者，CORESET0的符号数不被第一类终端所支持，或者，SSB与CORESET0之间的复用方式不被第一类终端所支持等。
示例性地，在如表2所示的配置集合中，index6～14属于第一类配置索引，index0～5属于第二类配置索引，index15为预留的配置索引。
预定义的映射关系为第一类配置索引内的每一个配置索引与第二类配置索引中的第一个配置索引相对应；预定义的映射关系可以是协议中给定的映射规则，也可以是第一通信节点通过信令向第一类终端指示的映射关系。映射关系的定义用于当配置的索引属于第一类配置索引时，可以唯一的映射到第二类配置索引中的某一个配置索引，任何其它映射关系都是支持的。
在网络侧通过PBCH配置下发的CORESET0配置索引属于第一类配置索引时，例如index8，低配置终端按照上述预定义的第二类配置索引与第一类配置索引之间的映射关系，确定与所配置的CORESET0配置索引相对应的当前CORESET0配置索引为index0；这并不影响常规能力的第二类终端对CORESET0配置的理解为index8，从而实现了第一类终端和第二类终端都按照各自的理解在对应的时频资源上检测Type0 PDCCH，并接入同一第一通信节点下的小区。其中，在第一类终端应用其它CORESET0的配置参数指示表的情况下，也可采用上述实施例中第一类配置索引与第二类配置索引之间建立映射关系的方式，实现第一类终端对控制资源集合配置信息的重新理解。
在一实施例中，由于第一类终端的CORESET0带宽减小，可以相应的增加CORESET0的符号数，从而保证第一类终端可以支持与第二类终端相同的PDCCH聚合等级。在实施例中，根据预先定义的转换规则和第一配置信息确定对应的第二配置信息，还包括：调整控制资源集合配置信息中控制资源集合的符号数。
在一实施例中，调整控制资源集合配置信息中控制资源集合的符号数，包括：根据第一配置信息中的控制资源集合的资源块RB数量、第二配置信息中的控制资源集合的RB数量和第一配置信息中的控制资源集合的符号数确定第一类终端所对应控制资源集合的符号数。
在一实施例中，根据第一配置信息中的控制资源集合的资源块RB数量、第二配置信息中的控制资源集合的RB数量和第一配置信息中的控制资源集合的符号数确定第二通信节点所对应控制资源集合的符号数，包括：第二通信节点所对应控制资源集合的符号数为第一RB比值与第一配置信息中的控制资源集合的符号数之间的乘积值，第一RB比值为第一配置信息中的控制资源集合的RB数量与第二配置信息中的控制资源集合的RB数量之间的比值。
在一实施例中，根据第一配置信息中的控制资源集合的资源块RB数量、第二配置信息中的控制资源集合的RB数量和第一配置信息中的控制资源集合的符号数确定第二通信节点所对应控制资源集合的符号数，包括：第二通信节点所对应控制资源集合的符号数为第一RB比值与第一配置信息中的控制资源集合的符号数之间的乘积值，以及第二配置信息中的控制资源集合的符号数之间的最大值，第一RB比值为第一配置信息中的控制资源集合的RB数量与第二配置信息中的控制资源集合的RB数量之间的比值。
示例性地，对于第二类终端的CORESET0带宽配置为48RB，按照上述定义的映射关系进行配置转换后(即由index8转换为index0)，第一类终端的CORESET0带宽为24RB，即第一类终端的CORESET0带宽为配置index8的1/2。此时，可将CORESET0的符号数相应的变为原配置的2倍，并且，忽略index0中
Figure PCTCN2020108581-appb-000006
的取值，即确定第一类终端的CORESET0符号数为4，即定义第一类终端的
Figure PCTCN2020108581-appb-000007
Figure PCTCN2020108581-appb-000008
其中，‘原配置’指PBCH内指示的配置(在本实施例中为index8对应的配置)，即第一配置信息中的控制资源集合；‘新配置’指根据映射关系进行配置转换后的配置(在本实施例中为index0对应的配置)，即第二配置信息中的控制资源集合。
或者，也可以定义第一类终端的
Figure PCTCN2020108581-appb-000009
Figure PCTCN2020108581-appb-000010
其中，‘原配置’指PBCH内指示的配置(在本实施例中为index8对应的配置)，即第一配置信息中的控制资源集合；‘新配置’指根据映射关系进行配置转换后的配置(在本实施例中为index0对应的配置)，即第二配置信息中的控制资源集合。
在一实施例中，CORESET定义了UE检测PDCCH的时频资源块的大小，以及频域位置，PDCCH检测的时域位置(也称为监测时机(Monitoring Occasion，MO))由搜索空间配置信息指示。Type0 PDCCH的搜索空间，又称为搜索空间0(SearchSpaceZero，SS0)。通过PBCH中4bit指示域SS0指示。表3是一种搜索空间0的指示示意表。如表3所示，4bit用于指示index0～15，不同index分别对应于一种搜索空间配置，其中，O和M是计算监测时机所在时隙(slot)索引时用到的参数；在表3中联合指示slot内搜索空间的个数，以及起始符号索引。
表3一种搜索空间0的指示信息示意表
Figure PCTCN2020108581-appb-000011
对于相同搜索空间指示信息，即相同的searchSpaceZero配置，为第一类终端定义与第二类终端不同的理解。
在一实施例中，在第二配置信息为搜索空间配置信息的情况下，第一配置信息为搜索空间配置信息；根据预先定义的转换规则和第一配置信息确定对应的第二配置信息，包括：
根据第一配置信息确定第二通信节点监测第一物理下行控制信道PDCCH的时隙位置；或者，根据第一配置信息中的第二类终端监测时机所在起始符号索引确定第二通信节点监测时机所在起始符号索引。
在一实施例中，根据第一配置信息确定第二通信节点监测第一物理下行控制信道的时隙位置，包括：
根据第一配置信息计算得到第二通信节点所对应的时隙索引，时隙索引为第二通信节点所对应PDCCH的监测时机所在时隙在无线帧中的索引。
在一实施例中，时隙索引的计算公式为：
Figure PCTCN2020108581-appb-000012
其中，
Figure PCTCN2020108581-appb-000013
为向下取整，O为第一参数值，M为第二参数值，offset 1为第一 预设偏移量，且与M相关，
Figure PCTCN2020108581-appb-000014
为无线帧内包含时隙的数量，i为同步信号块索引，μ与子载波间隔满足预定义的对应关系(如表4所示)，第一参数值和第二参数值的取值从第一配置信息中获取。表4是本申请实施例提供的一种μ和子载波间隔之间的映射表。
表4一种μ和子载波间隔之间的映射表
μ 子载波间隔Δf＝2 μ·15[kHz]
0 15
1 30
2 60
3 120
4 240
5 480
6 960
7 1920
8 3840
在一实施例中，在复用Pattern1下，第二类终端可以利用公式
Figure PCTCN2020108581-appb-000015
计算得到Type0 PDCCH的监测时机所在slot在无线帧中的索引，并在从n 0起始的连续两个slot内监听Type0 PDCCH。其中，第一参数值O和第二参数值M的取值由指示域SS0来指示，i为同步信息块索引(即SSB index)。
对于第一类终端，额外引入一个第一预设偏移量(即offset1)来调整第一类终端监测Type0 PDCCH的时隙位置，从而避免两类UE(第一类终端和第二类终端)的PDCCH产生冲突。利用公式
Figure PCTCN2020108581-appb-000016
计算Type0 PDCCH的监测时机所在slot在无线帧中的索引。其中，第一预设偏移量offset1与第二参数值M取值相关。示例性地，表5是一种第二参数值和第一预设偏移量之间的映射关系表。如表5所示，第二参数值与第一预设偏移量是一一对应的。其中，表5中的L max为SSB的最大数量。
表5一种第二参数值和第一预设偏移量之间的映射关系表
第二参数值 第一预设偏移量
1/2 L max/2+1
1 L max+1
2 2L max+1
在一实施例中，根据第一配置信息中的第二类终端监测时机所在起始符号索引确定第二通信节点监测时机所在起始符号索引，包括：
将第一配置信息中的起始符号索引作为第二类终端监测时机所在起始符号索引；
将第二类终端监测时机所在起始符号索引向后移动第二预设偏移量，得到第二通信节点监测时机所在起始符号索引，第二预设偏移量的取值与下述至少一项有关：一个时隙内所包含搜索空间的个数，在一个时隙内包含两个搜索空间的情况下两个搜索空间是否相连。
在一实施例中，在复用Pattern1下，第二类终端根据SS0指示的起始符号索引确定监测时机所在起始符号索引；第一类终端可以在指示的起始符号索引基础上向后偏移一个第二预设偏移量，记为offset2。示例性地，第二预设偏移量可以为
Figure PCTCN2020108581-appb-000017
与或
Figure PCTCN2020108581-appb-000018
在一实施例中，在一个时隙内包含一个搜索空间，或者，在一个时隙内包含两个搜索空间且两个搜索空间不相连的情况下，第二预设偏移量为第二类终端所对应控制资源集合的符号数。
图4是本申请实施例提供的一种第一类终端和第二类终端的起始符号位置配置示意图。如图4所示，在一个时隙内包含一个搜索空间的情况下，第一类终端监测时机的起始符号位置与第二类终端监测时机的起始符号位置之间的差值为第二预设偏移量，即offset2。其中，MO1为第二类终端的监测时机，MO2为第一类终端的监测时机，此时，第二预设偏移量offset2为
Figure PCTCN2020108581-appb-000019
其中，
Figure PCTCN2020108581-appb-000020
为第二类终端的CORESET符号数。
图5是本申请实施例提供的另一种第一类终端和第二类终端的起始符号位置配置示意图。如图5所示，在一个时隙内包含两个搜索空间且两个搜索空间不相连的情况下，第一类终端监测时机的起始符号位置与第二类终端监测时机的起始符号位置之间的差值为第二预设偏移量，即offset2。其中，MO1和MO3为第二类终端的监测时机，MO2和MO4为第一类终端的监测时机，第二预设偏移量offset2为
Figure PCTCN2020108581-appb-000021
即MO2起始符号与MO1起始符号之间的偏移为
Figure PCTCN2020108581-appb-000022
MO4起始符号与MO3起始符号之间的偏移为
Figure PCTCN2020108581-appb-000023
其中，
Figure PCTCN2020108581-appb-000024
为第二类终端的CORESET符号数。
在一实施例中，在一个时隙内包含两个搜索空间且两个搜索空间相连的情况下，第二预设偏移量为第二类终端所对应控制资源集合的符号数的两倍，或者，第二类终端所对应控制资源集合的符号数与第二通信节点所对应控制资源集合的符号数之和。
图6是本申请实施例提供的又一种第一类终端和第二类终端的起始符号位置配置示意图。如图6所示，MO1和MO2为第二类终端的监测时机；MO3和MO4为第一类终端的监测时机，在一个时隙内包含两个搜索空间且两个搜索空间相连的情况下，将MO3起始符号与MO1起始符号之间的偏移记为offset21，即offset21为
Figure PCTCN2020108581-appb-000025
将MO4起始符号与MO2起始符号之间的偏移记为offset22，即offset22为
Figure PCTCN2020108581-appb-000026
其中，
Figure PCTCN2020108581-appb-000027
为第二类终端的CORESET符号数；
Figure PCTCN2020108581-appb-000028
为第一类终端的CORESET符号数。
在一实施例中，在第二配置信息为DMRS配置信息的情况下，第一配置信息为DMRS配置信息；根据预先定义的转换规则和第一配置信息确定对应的第二配置信息，包括：
配置第二类终端所对应控制资源集合中最低RB的子载波0的频域位置；将子载波0的频域位置作为参考点，映射第二通信节点所对应第一PDCCH的DMRS序列。
在一实施例中，采用第一类终端确定对应的PDCCH DMRS。图7是本申请实施例提供的一种控制资源集合0与同步信号块之间的时频资源关系示意图。如图7所示，在第一类终端与第二类终端的CORESET配置在重叠的时频资源上的情况下，其中，第二类终端的CORESET(比如，CORESET0，即PBCH指示的CORESET配置)的带宽范围包含第一类终端的CORESET(记为CORESET0’的频域范围。其中，CORESET0’可以为根据PBCH配置的CORESET0，以及根据上述实施例中的配置索引定义的映射关系得到的CORESET配置。其中，CORESET0’的最低RB的子载波0为f1，CORESET0的最低RB的子载波0为f0。第一类终端的Type0 PDCCH在CORESET0’带宽范围内调度物理下行共享信道(Physical Downlink Shared Channel，PDSCH)；第二类终端的Type0 PDCCH将在CORESET0带宽范围内调度PDSCH。
第一类终端按照预定义的方式生成PDCCH DMRS序列，并以f0为参考点在PDCCH对应的资源上映射DMRS序列。
在一实施例中，在发送至第二通信节点的第一PDCCH与发送至第二类终端的第二PDCCH采用相同聚合等级的情况下，第二通信节点和第二类终端共享重叠资源上的控制信息与DMRS。其中，第一PDCCH和第二PDCCH均为Type0 PDCCH，但第一PDCCH和第二PDCCH的时频资源、码率等参数是不相同的， 即第一PDCCH和第二PDCCH是独立的。在实施例中，在发送给第一类终端的Type0 PDCCH(即第一PDCCH)与发送给第二类终端的Type0 PDCCH(即第二PDCCH)采用相同的聚合等级的情况下，对于重叠资源上的控制信息与DMRS，两类UE(即第一类终端和第二类终端)可以共享。例如，第一类终端的Type0 PDCCH占用的时频资源为控制信道单元(Control Channel Element，CCE)1，CCE2，CCE5和CCE6；第二类终端的Type0占用的时频资源为CCE3，CCE4，CCE5和CCE6，则在CCE5和CCE6内映射的控制信息以及对应资源上映射的DMRS可以被两类UE共享。
当发送给第一类终端的Type0 PDCCH(即第一PDCCH)与发送给第二类终端的Type0 PDCCH(即第二PDCCH)采用不同的聚合等级时，基站应该避免两个Type0 PDCCH占用相同的CCE。
在一实施例中，接入指示信息域用于指示当前小区是否支持第二通信节点的接入，或者，指示当前小区所支持的协议版本。
在系统信息(比如，SIB1)中定义接入指示信息域，用于指示当前小区是否支持第一类终端的接入，或者，指示当前小区所支持的协议版本。其中，接入指示信息域包含在Type0 PDCCH内，或者Type0 PDCCH调度的PDSCH内，可以是1bit的信令开销，例如，1代表支持第一类终端的接入，0代表不支持第一类终端的接入。或者，利用该接入指示信息域是否存在来隐含指示是否支持第一类终端的接入，存在则代表支持第一类终端的接入，不存在则代表不支持第一类终端的接入。
第一类终端接收SSB，并根据PBCH中配置的Type0 PDCCH检测配置(包括CORESET配置及搜索空间配置)检测Type0 PDCCH，此时存在如下两种之一：
第一种方式，第一类终端的能力支持在所配置的CORESET内监听Type0 PDCCH。例如，在表2中，index0～5为第一类终端能支持的配置，第一类终端按照配置信息进行Type0 PDCCH的接收，当接入指示信息域包含在Type0 PDCCH内时，根据指示域确定是否允许所述第一类终端的接入；当接入指示信息域包含在PDSCH内时，第一类终端根据PDCCH的调度信息接收PDSCH，然后确定当前小区是否允许第一类终端的接入。如果允许，第一类终端执行上行同步，并接入网络；如果不允许，第一类终端放弃本次接入。
第二种方式，第一类终端的能力不支持在所配置的CORESET内监听Type0 PDCCH。例如，在表2中，index6～14为第一类终端不能支持的配置，第一类终端将CORESET配置信息进行上述实施例中配置索引于控制资源集合配置之间映射关系进行重新解读，并按照重新解读的配置进行Type0 PDCCH的接收，如 果成功检测到Type0 PDCCH，则说明当前小区是允许第一类终端接入的；如果无法成功检测Type0 PDCCH(或者，尝试多次Type0 PDCCH检测仍不成功)，则放弃对当前小区的接入。
在一实施例中，在第二配置信息为MIB信息中小区禁止指示域的情况下，第一配置信息为MIB信息中小区禁止指示域；根据预先定义的转换规则和第一配置信息确定对应的第二配置信息，包括：重定义第二通信节点对小区禁止指示域取值的理解。
在实施例中，第二配置信息是对MIB信息中小区禁止指示域的重解释。在一实施例中，重定义第二通信节点对小区禁止指示域取值的理解，包括：
在小区禁止指示域的取值为禁止或不禁止的情况下，均不限制第二通信节点对当前小区的接入。
在一实施例中，信息指示方法，还包括：根据信息指示域确定当前小区是否允许第二通信节点的接入。
在一实施例中，PBCH承载于MIB信息中，包含小区禁止(cellbarred)指示域，用于限制常规终端(即第二类终端)对当前小区的接入，例如，在cellbarred为禁止(barred)的情况下，禁止终端对小区的接入；在cellbarred为不禁止(notbarred)的情况下，允许终端对小区的接入。
重新定义第一类终端对cellbarred指示域取值的理解，即无论cellbarred指示域取值为barred还是notbarred，都不限制第一类终端对小区的接入。
在一实施例中，如果所配置的CORESET被第一类终端所支持(例如，表2中，带宽能力为5MHz的第一类终端支持CORESET配置index0～5)，无论cellbarred的取值为notbarred还是barred，第一类终端都按照配置信息进行Type0 PDCCH的接收，并根据PDCCH的调度信息接收PDSCH。
在一实施例中，第一类终端可以按照上述实施例中提供的接入指示信息判断当前小区是否允许第一类终端的接入，如果允许，第一类终端执行上行同步，并接入网络；如果不允许，第一类终端放弃本次接入。
在一实施例中，如果所配置的CORESET不被所述第一类终端所支持(例如，在表2中，带宽能力为5MHz的第一类终端无法支持CORESET配置index6～14)
当cellbarred＝notbarred时，第一类终端将CORESET配置信息进行上述实施例提供的方式重新解读CORESET配置，并按照上述实施例提供的方式重新解读搜索空间配置，并按照重新解读的配置进行Type0 PDCCH的接收，如果成功检测到Type0 PDCCH，则说明当前小区是允许第一类终端接入的；如果无法 成功检测Type0 PDCCH(或者，尝试多次Type0 PDCCH检测仍不成功)，则放弃对当前小区的接入。
当cellbarred＝barred时，第一类终端将CORESET配置信息进行上述实施例提供的方式重新解读CORESET配置，并按照重新解读的配置进行Type0 PDCCH的接收，如果成功检测到Type0 PDCCH，则说明当前小区是允许第一类终端接入的；如果无法成功检测Type0 PDCCH(或者，尝试多次Type0 PDCCH检测仍不成功)，则放弃对当前小区的接入。在实施例中，第二类终端被禁止接入本小区，网络侧不为第二类终端发送Type0 PDCCH，不存在两类UE的Type0 PDCCH的冲突问题。因此，第一类终端可以遵循PBCH内的搜索空间配置，无需重新解读。
图8是本申请实施例提供的另一种信息指示方法的流程图。本实施例由第一通信节点来执行。其中，第一通信节点可以为基站。如图8所示，本实施例包括S220-S240。
S220、向第二通信节点发送第一配置信息。
S240、按照根据预先定义的转换规则和第一配置信息确定的第二配置信息发送系统信息，第一配置信息和第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，主信息块MIB信息中小区禁止指示域。
在一实施例中，系统信息包括：接入指示信息。在实施例中，第一配置信息为第一类终端对应的原始配置信息，第二配置信息为第一类终端对应的新配置信息。基站向第一类终端发送原始配置信息，并按照得到的新配置信息向第一类终端发送下一个系统信息，以使第一类终端根据系统信息中的接入指示信息接入到当前小区。
图9是本申请实施例提供的一种信息指示装置的结构框图。本实施例由第二通信节点执行。其中，第二通信节点为第一类终端，即无法无法支持常规终端所需支持的带宽能力的低配置终端。
如图9所示，本实施例中的信息指示装置包括：第一接收模块320、第一确定模块340和第二接收模块360。
第一接收模块320，设置为接收第一通信节点发送的第一配置信息；第一确定模块340，设置为根据预先定义的转换规则和第一配置信息确定对应的第二配置信息，第一配置信息和第二配置信息均包括下述一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，主信息块MIB信息中小区禁止指示域；第二接收模块360，设置为按照第二配置信息的指示接收系统 信息。
本实施例提供的信息指示装置设置为实现图3所示实施例的信息指示方法，本实施例提供的信息指示装置实现原理和技术效果类似，此处不再赘述。
在一实施例中，系统信息包括：接入指示信息。
在一实施例中，在第二配置信息为控制资源集合配置信息的情况下，第一配置信息为控制资源集合配置信息；第一确定模块，包括：
第一确定单元，设置为确定第一类配置索引与第二类配置索引之间的映射关系，第一类配置索引对应第一类终端无法支持的控制资源集合配置信息，第二类配置索引对应第一类终端能够支持的控制资源集合配置信息；第二确定单元，设置为在第一配置信息对应的配置索引属于第一类配置索引的情况下，按照映射关系确定在第二类配置索引中所对应的配置索引；第三确定单元，设置为将在第二类配置索引中所对应的配置索引的配置信息作为第二配置信息。
在一实施例中，确定第一类配置索引与第二类配置索引之间的映射关系，包括下述一项：
按照预设映射规则，确定第一类配置索引与第二类配置索引之间的映射关系；预定义第一类配置索引与第二类配置索引之间的映射关系；按照接收到的信令确定第一类配置索引与第二类配置索引之间的映射关系。
在一实施例中，第一确定模块，还包括：
调整单元，设置为调整控制资源集合配置信息中控制资源集合的符号数。
在一实施例中，调整单元，包括：根据第一配置信息中的控制资源集合的资源块RB数量、第二配置信息中的控制资源集合的RB数量和第一配置信息中的控制资源集合的符号数确定第二通信节点所对应控制资源集合的符号数。
在一实施例中，根据第一配置信息中的控制资源集合的资源块RB数量、第二配置信息中的控制资源集合的RB数量和第一配置信息中的控制资源集合的符号数确定第二通信节点所对应控制资源集合的符号数，包括：
第二通信节点所对应控制资源集合的符号数为第一RB比值与第一配置信息中的控制资源集合的符号数之间的乘积值，第一RB比值为第一配置信息中的控制资源集合的RB数量与第二配置信息中的控制资源集合的RB数量之间的比值。
在一实施例中，根据第一配置信息中的控制资源集合的资源块RB数量、第二配置信息中的控制资源集合的RB数量和第一配置信息中的控制资源集合的符号数确定第二通信节点所对应控制资源集合的符号数，包括：
第二通信节点所对应控制资源集合的符号数为第一RB比值与第一配置信息中的控制资源集合的符号数之间的乘积值，以及第二配置信息中的控制资源集合的符号数之间的最大值，第一RB比值为第一配置信息中的控制资源集合的RB数量与第二配置信息中的控制资源集合的RB数量之间的比值。
在一实施例中，在第二配置信息为搜索空间配置信息的情况下，第一配置信息为搜索空间配置信息；第一确定模块，包括：
根据第一配置信息确定第二通信节点监测第一物理下行控制信道PDCCH的时隙位置；或者，根据第一配置信息中的第二类终端监测时机所在起始符号索引确定第二通信节点监测时机所在起始符号索引。
在一实施例中，根据第一配置信息确定第二通信节点监测第一物理下行控制信道的时隙位置，包括：
根据第一配置信息计算得到第二通信节点所对应的时隙索引，时隙索引为第二通信节点所对应PDCCH的监测时机所在时隙在无线帧中的索引。
在一实施例中，时隙索引之间的计算公式为：
Figure PCTCN2020108581-appb-000029
其中，
Figure PCTCN2020108581-appb-000030
为向下取整，O为第一参数值，M为第二参数值，offset 1为第一预设偏移量，且与M相关，
Figure PCTCN2020108581-appb-000031
为无线帧内包含时隙的数量，i为同步信号块索引，μ与子载波间隔满足预定义的对应关系，第一参数值和第二参数值的取值从第一配置信息中获取。
在一实施例中，根据第一配置信息中的第二类终端监测时机所在起始符号索引确定第二通信节点监测时机所在起始符号索引，包括：
将第一配置信息中的起始符号索引作为第二类终端监测时机所在起始符号索引；将第二类终端监测时机所在起始符号索引向后移动第二预设偏移量，得到第二通信节点监测时机所在起始符号索引，第二预设偏移量的取值与下述至少一项有关：一个时隙内所包含搜索空间的个数，在一个时隙内包含两个搜索空间的情况下两个搜索空间是否相连。
在一实施例中，在一个时隙内包含一个搜索空间，或者，在一个时隙内包含两个搜索空间且两个搜索空间不相连的情况下，第二预设偏移量为第二类终端所对应控制资源集合的符号数。
在一实施例中，在一个时隙内包含两个搜索空间且两个搜索空间相连的情况下，第二预设偏移量为第二类终端所对应控制资源集合的符号数的两倍，或者，第二类终端所对应控制资源集合的符号数与第二通信节点所对应控制资源 集合的符号数之和。
在一实施例中，在第二配置信息为DMRS配置信息的情况下，第一配置信息为DMRS配置信息；第一确定模块，包括：
配置单元，设置为配置第二类终端所对应控制资源集合中最低RB的子载波0的频域位置；第四确定单元，设置为将子载波0的频域位置作为参考点，映射第二通信节点所对应第一PDCCH的DMRS序列。
在一实施例中，在发送至第二通信节点的第一PDCCH与发送至第二类终端的第二PDCCH采用相同聚合等级的情况下，第二通信节点和第二类终端共享重叠资源上的控制信息与DMRS。
在一实施例中，接入指示信息域用于指示当前小区是否支持第二通信节点的接入，或者，指示当前小区所支持的协议版本。
在一实施例中，在第二配置信息为MIB信息中小区禁止指示域的情况下，第一配置信息为MIB信息中小区禁止指示域；第一确定模块，包括：重定义第二通信节点对小区禁止指示域取值的理解。
在一实施例中，重定义第二通信节点对小区禁止指示域取值的理解，包括：在小区禁止指示域的取值为禁止或不禁止的情况下，均不限制第二通信节点对当前小区的接入。
在一实施例中，信息指示装置，还包括：第二确定模块，设置为根据信息指示域确定当前小区是否允许第二通信节点的接入。
图10是本申请实施例提供的另一种信息指示装置的结构框图。本实施例由第一通信节点执行。其中，第一通信节点可以为基站。如图10所示，本实施例中的信息指示装置包括：第一发送模块420和第二发送模块440。
第一发送模块，设置为向第二通信节点发送第一配置信息；第二发送模块，设置为按照根据预先定义的转换规则和第一配置信息确定的第二配置信息的指示发送系统信息，第一配置信息和第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，主信息块MIB信息中小区禁止指示域。
本实施例提供的信息指示装置设置为实现图8所示实施例的信息指示方法，本实施例提供的信息指示装置实现原理和技术效果类似，此处不再赘述。
在一实施例中，系统信息包括：接入指示信息。
图11是本申请实施例提供的一种设备的结构示意图。如图11所示，本申请提供的设备，包括：处理器510以及存储器520。该设备中处理器510的数量 可以是一个或者多个，图11中以一个处理器510为例。该设备中存储器520的数量可以是一个或者多个，图11中以一个存储器520为例。该设备的处理器510以及存储器520可以通过总线或者其他方式连接，图11中以通过总线连接为例。在该实施例中，该设备为第二通信节点。
存储器520作为一种计算机可读存储介质，可设置为存储软件程序、计算机可执行程序以及模块，如本申请任意实施例的设备对应的程序指令/模块(例如，信息指示装置中的第一接收模块、第一确定模块和第二接收模块)。存储器520可包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序；存储数据区可存储根据设备的使用所创建的数据等。此外，存储器520可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。在一些实例中，存储器520可包括相对于处理器510远程设置的存储器，这些远程存储器可以通过网络连接至设备。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
上述提供的设备可设置为执行上述任意实施例提供的应用于第二通信节点的信息指示方法，具备相应的功能和效果。
当设备为第一通信节点时，对应存储器520中存储的程序可以是本申请实施例所提供应用于第一通信节点的信息指示方法对应的程序指令/模块，处理器510通过运行存储在存储器520中的软件程序、指令以及模块，从而执行计算机设备的一种或多种功能应用以及数据处理，即实现上述方法实施例中应用于第一通信节点的信息指示方法。上述设备为第一通信节点时，可执行本申请任意实施例所提供的应用于第一通信节点的信息指示方法，且具备相应的功能和效果。
本申请实施例还提供一种包含计算机可执行指令的存储介质，计算机可执行指令在由计算机处理器执行时用于执行一种信息指示方法，该方法应用于第二通信节点，该方法包括：接收第一通信节点发送的第一配置信息；根据预先定义的转换规则和第一配置信息确定对应的第二配置信息，第一配置信息和第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，DMRS配置信息，MIB信息中小区禁止指示域；按照第二配置信息的指示接收系统信息。
本申请实施例还提供一种包含计算机可执行指令的存储介质，计算机可执行指令在由计算机处理器执行时用于执行一种信息指示方法，该方法应用于第一通信节点，该方法包括：向第二通信节点发送第一配置信息；按照根据预先定义的转换规则和第一配置信息确定的第二配置信息发送系统信息，第一配置 信息和第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，DMRS配置信息，MIB信息中小区禁止指示域。
术语用户设备涵盖任何适合类型的无线用户设备，例如移动电话、便携数据处理装置、便携网络浏览器或车载移动台。
一般来说，本申请的多种实施例可以在硬件或专用电路、软件、逻辑或其任何组合中实现。例如，一些方面可以被实现在硬件中，而其它方面可以被实现在可以被控制器、微处理器或其它计算装置执行的固件或软件中，尽管本申请不限于此。
本申请的实施例可以通过移动装置的数据处理器执行计算机程序指令来实现，例如在处理器实体中，或者通过硬件，或者通过软件和硬件的组合。计算机程序指令可以是汇编指令、指令集架构(Instruction Set Architecture，ISA)指令、机器指令、机器相关指令、微代码、固件指令、状态设置数据、或者以一种或多种编程语言的任意组合编写的源代码或目标代码。
本申请附图中的任何逻辑流程的框图可以表示程序步骤，或者可以表示相互连接的逻辑电路、模块和功能，或者可以表示程序步骤与逻辑电路、模块和功能的组合。计算机程序可以存储在存储器上。存储器可以具有任何适合于本地技术环境的类型并且可以使用任何适合的数据存储技术实现，例如但不限于只读存储器(Read-Only Memory，ROM)、随机访问存储器(Random Access Memory，RAM)、光存储器装置和系统(数码多功能光碟(Digital Video Disc，DVD)或光盘(Compact Disk，CD))等。计算机可读介质可以包括非瞬时性存储介质。数据处理器可以是任何适合于本地技术环境的类型，例如但不限于通用计算机、专用计算机、微处理器、数字信号处理器(Digital Signal Processing，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、可编程逻辑器件(Field-Programmable Gate Array，FPGA)以及基于多核处理器架构的处理器。

Claims (25)

  1. 一种信息指示方法，包括：
    接收第一通信节点发送的第一配置信息；
    根据预先定义的转换规则和所述第一配置信息确定对应的第二配置信息，所述第一配置信息和所述第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，主信息块MIB信息中小区禁止指示域；
    按照所述第二配置信息的指示接收系统信息。
  2. 根据权利要求1所述的方法，其中，所述系统信息包括：接入指示信息域。
  3. 根据权利要求1所述的方法，其中，在所述第二配置信息为控制资源集合配置信息的情况下，所述第一配置信息为控制资源集合配置信息；
    所述根据预先定义的转换规则和所述第一配置信息确定对应的第二配置信息，包括：
    确定第一类配置索引与第二类配置索引之间的映射关系；
    在所述第一配置信息对应的配置索引属于所述第一类配置索引的情况下，按照所述映射关系确定在所述第二类配置索引中所对应的配置索引；
    将所述在所述第二类配置索引中所对应的配置索引的配置信息作为所述第二配置信息。
  4. 根据权利要求3所述的方法，其中，所述确定第一类配置索引与第二类配置索引之间的映射关系，包括下述一项：
    按照预设映射规则，确定所述第一类配置索引与所述第二类配置索引之间的映射关系；
    预定义所述第一类配置索引与所述第二类配置索引之间的映射关系；
    按照接收到的信令确定所述第一类配置索引与所述第二类配置索引之间的映射关系。
  5. 根据权利要求3所述的方法，其中，所述根据预先定义的转换规则和所述第一配置信息确定对应的第二配置信息，还包括：
    调整所述第二配置信息中控制资源集合的符号数。
  6. 根据权利要求5所述的方法，其中，所述调整所述第二配置信息中控制资源集合的符号数，包括：
    根据所述第一配置信息中的控制资源集合的资源块RB数量、所述第二配置信息中的控制资源集合的RB数量和所述第一配置信息中的控制资源集合的符号数确定第二通信节点所对应控制资源集合的符号数。
  7. 根据权利要求6所述的方法，其中，所述根据所述第一配置信息中的控制资源集合的RB数量、所述第二配置信息中的控制资源集合的RB数量和所述第一配置信息中的控制资源集合的符号数确定第二通信节点所对应控制资源集合的符号数，包括：
    所述第二通信节点所对应控制资源集合的符号数为第一RB比值与所述第一配置信息中的控制资源集合的符号数之间的乘积值，所述第一RB比值为所述第一配置信息中的控制资源集合的RB数量与所述第二配置信息中的控制资源集合的RB数量之间的比值。
  8. 根据权利要求6所述的方法，其中，所述根据所述第一配置信息中的控制资源集合的RB数量、所述第二配置信息中的控制资源集合的RB数量和所述第一配置信息中的控制资源集合的符号数确定第二通信节点所对应控制资源集合的符号数，包括：
    所述第二通信节点所对应控制资源集合的符号数为第一RB比值与所述第一配置信息中的控制资源集合的符号数之间的乘积值，以及未调整的所述第二配置信息中的控制资源集合的符号数中的最大值，所述第一RB比值为所述第一配置信息中的控制资源集合的RB数量与所述第二配置信息中的控制资源集合的RB数量之间的比值。
  9. 根据权利要求1所述的方法，其中，在所述第二配置信息为搜索空间配置信息的情况下，所述第一配置信息为搜索空间配置信息；
    所述根据预先定义的转换规则和所述第一配置信息确定对应的第二配置信息，包括：
    根据所述第一配置信息确定第二通信节点监测第一物理下行控制信道PDCCH的时隙位置，其中，所述第二通信节点为第一类终端；
    或者，根据所述第一配置信息中的第二类终端的监测时机所在起始符号索引确定第二通信节点的监测时机所在起始符号索引。
  10. 根据权利要求9所述的方法，其中，所述根据所述第一配置信息确定第二通信节点监测第一PDCCH的时隙位置，包括：
    根据所述第一配置信息计算得到所述第二通信节点所对应的时隙索引，所述时隙索引为所述第二通信节点所对应的第一PDCCH的监测时机所在时隙在无线帧中的索引。
  11. 根据权利要求10所述的方法，其中，所述时隙索引的计算公式为：
    Figure PCTCN2020108581-appb-100001
    其中，
    Figure PCTCN2020108581-appb-100002
    为向下取整，O为第一参数值，M为第二参数值，offset 1为第一预设偏移量，且与M相关，
    Figure PCTCN2020108581-appb-100003
    为无线帧内包含时隙的数量，i为同步信号块索引，μ与子载波间隔满足预定义的对应关系，所述第一参数值和所述第二参数值的取值从所述第一配置信息中获取。
  12. 根据权利要求9所述的方法，其中，所述根据所述第一配置信息中的第二类终端的监测时机所在起始符号索引确定第二通信节点的监测时机所在起始符号索引，包括：
    将所述第一配置信息中的起始符号索引作为所述第二类终端的监测时机所在起始符号索引；
    将所述第二类终端的监测时机所在起始符号索引向后移动第二预设偏移量，得到所述第二通信节点的监测时机所在起始符号索引，所述第二预设偏移量的取值与下述至少一项有关：一个时隙内所包含搜索空间的个数，在一个时隙内包含两个搜索空间的情况下两个搜索空间是否相连。
  13. 根据权利要求12所述的方法，其中，在一个时隙内包含一个搜索空间，或者，在一个时隙内包含两个搜索空间且两个搜索空间不相连的情况下，所述第二预设偏移量为所述第二类终端所对应控制资源集合的符号数。
  14. 根据权利要求12所述的方法，其中，在一个时隙内包含两个搜索空间且两个搜索空间相连的情况下，所述第二预设偏移量为所述第二类终端所对应控制资源集合的符号数的两倍，或者，所述第二类终端所对应控制资源集合的符号数与所述第二通信节点所对应控制资源集合的符号数之和。
  15. 根据权利要求1所述的方法，其中，在所述第二配置信息为DMRS配置信息的情况下，所述第一配置信息为DMRS配置信息；
    所述根据预先定义的转换规则和所述第一配置信息确定对应的第二配置信息，包括：
    配置第二类终端所对应控制资源集合中最低RB的子载波0的频域位置；
    将所述子载波0的频域位置作为参考点，映射第二通信节点所对应的第一PDCCH的DMRS序列。
  16. 根据权利要求15所述的方法，其中，在发送至所述第二通信节点的第一PDCCH与发送至所述第二类终端的第二PDCCH采用相同聚合等级的情况下，所述第二通信节点和所述第二类终端共享重叠资源上的控制信息与DMRS。
  17. 根据权利要求2所述的方法，其中，所述接入指示信息域用于指示当前小区是否支持所述第二通信节点的接入，或者，指示当前小区所支持的协议版本。
  18. 根据权利要求1所述的方法，其中，在所述第二配置信息为MIB信息中小区禁止指示域的情况下，所述第一配置信息为MIB信息中小区禁止指示域；
    所述根据预先定义的转换规则和所述第一配置信息确定对应的第二配置信息，包括：
    重定义第二通信节点对小区禁止指示域取值的理解。
  19. 根据权利要求18所述的方法，其中，所述重定义第二通信节点对小区禁止指示域取值的理解，包括：
    在所述小区禁止指示域的取值为禁止或不禁止的情况下，不限制所述第二通信节点对当前小区的接入。
  20. 根据权利要求18所述的方法，还包括：
    根据信息指示域确定当前小区是否允许所述第二通信节点的接入。
  21. 一种信息指示方法，包括：
    向第二通信节点发送第一配置信息；
    按照根据预先定义的转换规则和所述第一配置信息确定的第二配置信息发送系统信息，所述第一配置信息和所述第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，主信息块MIB信息中小区禁止指示域。
  22. 根据权利要求21所述的方法，其中，所述系统信息包括：接入指示信息域。
  23. 一种信息指示装置，包括：
    第一接收模块，设置为接收第一通信节点发送的第一配置信息；
    第一确定模块，设置为根据预先定义的转换规则和所述第一配置信息确定对应的第二配置信息，所述第一配置信息和所述第二配置信息均包括下述一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，主信息块MIB信息中小区禁止指示域；
    第二接收模块，设置为按照所述第二配置信息的指示接收系统信息。
  24. 一种信息指示装置，包括：
    第一发送模块，设置为向第二通信节点发送第一配置信息；
    第二发送模块，设置为按照根据预先定义的转换规则和所述第一配置信息确定的第二配置信息的指示发送系统信息，所述第一配置信息和所述第二配置信息均包括下述至少一项：控制资源集合配置信息，搜索空间配置信息，解调参考信号DMRS配置信息，主信息块MIB信息中小区禁止指示域。
  25. 一种存储介质，存储有计算机程序，所述计算机程序被处理器执行时实现权利要求1-22中任一项所述的信息指示方法。
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