WO2020192674A1 - 搜索空间的配置方法及装置、通信设备 - Google Patents

搜索空间的配置方法及装置、通信设备 Download PDF

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Publication number
WO2020192674A1
WO2020192674A1 PCT/CN2020/081023 CN2020081023W WO2020192674A1 WO 2020192674 A1 WO2020192674 A1 WO 2020192674A1 CN 2020081023 W CN2020081023 W CN 2020081023W WO 2020192674 A1 WO2020192674 A1 WO 2020192674A1
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Prior art keywords
synchronization signal
signal block
search space
information
index
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PCT/CN2020/081023
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English (en)
French (fr)
Inventor
沈晓冬
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维沃移动通信有限公司
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Priority to EP20777035.5A priority Critical patent/EP3952180A4/en
Priority to JP2021557445A priority patent/JP7198944B2/ja
Priority to KR1020217034980A priority patent/KR20210141713A/ko
Priority to BR112021019323A priority patent/BR112021019323A2/pt
Priority to SG11202110614PA priority patent/SG11202110614PA/en
Publication of WO2020192674A1 publication Critical patent/WO2020192674A1/zh
Priority to US17/485,900 priority patent/US11997624B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26136—Pilot sequence conveying additional 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • 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
    • H04L5/003—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
    • H04L5/0078—Timing of allocation
    • H04L5/0082—Timing of allocation at predetermined intervals
    • 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
    • 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
    • H04L5/0092—Indication of how the channel is divided
    • 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
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • 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

Definitions

  • the present disclosure relates to the field of wireless communication technology, in particular to a method and device for configuring a search space, and communication equipment.
  • UE User Equipment
  • DCI Downlink Control Information
  • the UE may detect the physical downlink control channel (PDCCH) sent by the network-side device in the search space of the UE in a blind detection manner to obtain DCI.
  • PDCCH physical downlink control channel
  • the search space of the 5G authorized communication system is on a fixed time slot (slot).
  • the search space of the 5G unlicensed communication system is related to the location where the channel idle detection is successful. Therefore, the location of the search space is flexible.
  • the fixed time position on the authorized frequency band and the receiving method are no longer applicable to the authorized frequency band. How to configure a flexible search space in a 5G unlicensed communication system is an urgent problem to be solved.
  • the technical problem to be solved by the present disclosure is how to implement flexible configuration of the search space of the UE to ensure that the UE can receive multiple types of downlink control information in a timely and effective manner.
  • the embodiments of the present disclosure provide a method for configuring a search space, which is applied to user equipment, including:
  • the configuration information includes: QCL mode information and/or cell sounding signal transmission window information;
  • the embodiments of the present disclosure provide a method for configuring a search space, which is applied to a network side device, and includes:
  • the configuration information is used to indicate the location of the search space of the PDCCH, and the configuration information includes: QCL mode information and/or cell detection Signal transmission window information.
  • the embodiments of the present disclosure provide an apparatus for configuring a search space, applied to user equipment, including:
  • the detection module is used to detect at least one synchronization signal block
  • An obtaining module configured to obtain configuration information of the search space corresponding to the detected synchronization signal block, the configuration information including: QCL mode information and/or cell sounding signal transmission window information;
  • the processing module is configured to determine the location of the search space of the physical downlink control channel PDCCH according to the detected time synchronization information of the synchronization signal block and the configuration information.
  • an embodiment of the present disclosure provides a search space configuration device, which is applied to a network side device, and includes:
  • the sending module is configured to send configuration information of the synchronization signal block and the search space corresponding to the synchronization signal block to the user equipment, the configuration information is used to indicate the location of the search space of the PDCCH, and the configuration information includes: QCL mode information And/or cell sounding signal transmission window information.
  • the embodiments of the present disclosure provide a communication device, including: a memory, a processor, and a computer program stored on the memory and capable of running on the processor.
  • a communication device including: a memory, a processor, and a computer program stored on the memory and capable of running on the processor.
  • the embodiments of the present disclosure provide a computer-readable storage medium with a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method for configuring the search space as described above is implemented Steps in.
  • the network side device sends the synchronization signal block and the configuration information of the search space corresponding to the synchronization signal block to the user equipment.
  • the user equipment After the user equipment detects the synchronization signal block, it can use the time synchronization information and time synchronization information of the detected synchronization signal block.
  • the configuration information determines the location of the search space of the PDCCH, which enables flexible configuration of the search space of the UE to ensure that the UE can receive multiple types of downlink control information in a timely and effective manner.
  • Figure 1 is a schematic diagram of SSBs in the same quasi co-located beam direction being transmitted at different time positions;
  • FIG. 2 is a schematic flowchart of a method for configuring a search space of a user equipment according to an embodiment of the disclosure
  • FIG. 3 is a schematic flowchart of a method for configuring a search space applied to a network side device according to an embodiment of the disclosure
  • FIG. 4 is a schematic diagram of the configuration of a search space in a specific embodiment of the disclosure.
  • FIG. 5 is a structural block diagram of a device for configuring a search space of a user equipment according to an embodiment of the disclosure
  • FIG. 6 is a structural block diagram of an apparatus for configuring a search space of a network-side device according to an embodiment of the disclosure
  • FIG. 7 is a schematic diagram of the composition of user equipment in an embodiment of the disclosure.
  • FIG. 8 is a schematic diagram of the composition of a network side device in an embodiment of the disclosure.
  • the configuration information of the search space of the system information is sent in a synchronization signal block (Secondary Synchronization Signal, SSB) and/or a physical broadcast channel (Physical Broadcast Channel, PBCH).
  • SSB synchronization signal block
  • PBCH Physical Broadcast Channel
  • SSB/PBCH and Type 0 Type 0
  • Physical Downlink Control Channel (PDCCH) resources adopt multiplexing mode 1, that is, SSB/PBCH and Type 0 PDCCH cannot overlap in the time domain.
  • n 0 meets the following conditions:
  • For SSB index i in case It is located at an even frame number, if It is located at an odd frame number.
  • M and O are given in Table 1:
  • the Type 0 PDCCH associated with each SSB is configured on two consecutive fixed slots periodically in the time domain.
  • Type 0 PDCCH common search space (CSS) setting (set): Through the pdcch-ConfigSIB1 in the master information block (Master Information Block, MIB) information, the searchSpaceSIB1 in the PDCCH-ConfigCommon, which is used in the primary cell group
  • the system information of the remaining minimum system information (Remaining minimum system information, RMSI) on the primary cell of the (Master Cell group, MCG)-Radio Network Temporary Identity (System Information-Radio Network Identity, SI-RNTI) ) Scrambled downlink control information (Downlink Control Information, DCI);
  • Type0A PDCCH CSS set Through searchSpaceOtherSystemInformation in PDCCH-ConfigCommon, it is used to detect and schedule other system information (Other System Information, OSI) SI-RNTI scrambled DCI on the primary cell of MCG;
  • OSI System Information
  • Type 1 PDCCH CSS set Through the ra-SearchSpace in PDCCH-ConfigCommon, it is used to detect the random access response (Random Access Response, RAR) of scheduling message 2 (msg2) on the primary cell-RNTI scrambled or scheduled Temporary (TC)-RNTI scrambled DCI of message 3 (msg3);
  • RAR Random Access Response
  • Type2PDCCH CSS set Through the pagingSearchSpace in PDCCH-ConfigCommon, it is used to detect the DCI scrambled by the paging (P)-RNTI that schedules paging information on the primary cell of the MCG.
  • activated (active) downlink (Downlink, DL) bandwidth part (Band Width Part, BWP) and the initial (initial) DL BWP have the same subcarrier spacing (SCS) and cyclic prefix (Cyclic Prefix, CP) Length, and all the resource blocks (Resource Block, RB) of the initial DL BWP are included in the configured active DL BWP, coreset#0 and searchspace#0 can be configured, and at this time, the coreset and searchspace of the Type 0 PDCCH CSS set are configured respectively Into coreset#0 and searchspace#0.
  • SCS subcarrier spacing
  • CP cyclic prefix
  • the user performs PDCCH monitoring (monitoring) according to the coreset#0 and searchspace#0 configurations.
  • the user equipment or network side equipment needs to perform channel idle estimation (Clear Channel Assess, CCA) and/or extended channel idle estimation (extended Clear Channel Assess, eCCA) to detect Listening to the channel means performing energy detection (Energy Detection, ED).
  • CCA Channel Channel Assess
  • eCCA extended Clear Channel Assess
  • ED Energy detection
  • the channel is judged to be empty before transmission can be started. Since the unlicensed frequency band is shared by multiple technologies or multiple transmission nodes, this kind of contention-based access method leads to uncertainty in the channel available time.
  • the transmittable position of the network side signal transmission may be It has been missed and cannot be sent. This may result in the receiving end not being able to normally receive the signal reception configured on the network side, and the terminal behavior according to the network side configuration after the signal is received, such as PDCCH monitoring, monitoring and measurement of the wireless environment, etc.
  • the transmission of SSB/PBCH, Type 0 PDCCH and system information needs to be sent through channel idle estimation.
  • these signals are usually collected together in unlicensed communication systems, such as cell detection signals (Discovery Reference Signal, DRS), so that only one channel idle detection is required to detect these signals.
  • DRS Discovery Reference Signal
  • the signals are all sent successfully.
  • DRS Discovery Reference Signal
  • the same Quasi Co-Loacted (QCL) beam The SSB in the (beam) direction can be sent at different time positions.
  • the main target scenario of the 5G unlicensed communication system is independent deployment. Therefore, system information needs to be included in the DRS, and the system information search space is in the SSB/ Configured in PBCH.
  • the search space of the 5G authorized communication system is on a fixed time slot (slot).
  • the DRS position of the 5G unlicensed communication system is related to the position where the channel idle detection is successful.
  • the transmission time of the system information changes with the busy and idle state of the channel, so the location of the search space is flexible, and the time on the authorized frequency band
  • the fixed location configuration and receiving method are no longer suitable for licensed frequency bands. How to configure a flexible search space in a 5G unlicensed communication system is an urgent problem to be solved.
  • the embodiments of the present disclosure provide a search space configuration method and device, and communication equipment, which can achieve the purpose of flexibly configuring the search space of the UE, so as to ensure that the UE can receive multiple types of downlink control information in a timely and effective manner.
  • the embodiment of the present disclosure provides a method for configuring a search space, which is applied to user equipment, as shown in FIG. 2, including:
  • Step 101 Detect at least one synchronization signal block
  • Step 102 Acquire configuration information of the search space corresponding to the detected synchronization signal block, where the configuration information includes: QCL mode information and/or cell sounding signal transmission window information;
  • Step 103 Determine the location of the search space of the physical downlink control channel PDCCH according to the detected time synchronization information of the synchronization signal block and the configuration information.
  • the user equipment after detecting the synchronization signal block, the user equipment obtains the configuration information of the search space corresponding to the detected synchronization signal block, and uses the time synchronization information and the configuration information of the detected synchronization signal block to determine the search for the PDCCH The location of the space.
  • the search space of the UE can be flexibly configured through the configuration information to ensure that the UE can receive multiple types of downlink control information in a timely and effective manner.
  • the cell detection signal transmission window information may be stipulated in the protocol, or pre-configured by the network-side equipment, or configured by the network-side equipment.
  • the time synchronization information includes the position index of the synchronization signal block, the time slot index where it is located, and the frame index where it is located;
  • the cell sounding signal transmission window information includes a position index of the smallest transmittable synchronization signal block and a position index of the largest transmittable synchronization signal block.
  • the configuration information further includes at least one of the following:
  • the value of the time offset may be 0, and the value of the overlap factor may be 1/2.
  • both the transmittable minimum synchronization signal block position index and the transmittable maximum synchronization signal block position index are configurable;
  • the position index of the smallest transmittable synchronization signal block is 0, and the position index of the largest transmittable synchronization signal block is configurable; or
  • the transmittable minimum synchronization signal block position index is 0, and the transmittable maximum synchronization signal block position index is the largest synchronization signal block position index.
  • the determining the location of the search space of the PDCCH according to the detected time synchronization information of the synchronization signal block and the configuration information includes:
  • the synchronization signal block position index, the maximum transmittable synchronization signal block position index and/or the number of frames of the initial access period are calculated and the time slot index of the search space of the PDCCH corresponding to the detected synchronization signal block and the location Frame index.
  • ⁇ i is An integer between or Integer between n SSB, i is the synchronization signal block
  • the time slot index at, O is the time offset
  • Q is the QCL modulus information
  • i is the position index of the synchronization signal block
  • M is the overlap factor
  • Is the number of time slots included in each frame
  • y start is the position index of the smallest synchronization signal block that can be transmitted
  • y end is the position index of the largest synchronization signal block that can be transmitted
  • SFN SSB is the frame index where the synchronization signal block is located
  • J is the number of frames in the initial access cycle
  • k is the number of search spaces configured for each time slot.
  • ⁇ i is Part of the integer between or
  • the value of ⁇ i may be a continuous integer in the above value range or a discontinuous integer in the above value range.
  • the embodiment of the present disclosure also provides a method for configuring a search space, which is applied to a network side device, as shown in FIG. 3, including:
  • Step 201 Send configuration information of a synchronization signal block and a search space corresponding to the synchronization signal block to a user equipment, where the configuration information is used to indicate the location of the search space of the PDCCH, and the configuration information includes: QCL mode information and/ Or cell detection signal transmission window information.
  • the network side device sends the synchronization signal block and the configuration information of the search space corresponding to the synchronization signal block to the user equipment, so that the user equipment can use the time synchronization of the detected synchronization signal block after detecting the synchronization signal block
  • the information and the configured information determine the location of the search space of the PDCCH, which enables flexible configuration of the search space of the UE to ensure that the UE can receive multiple types of downlink control information in a timely and effective manner.
  • the time synchronization information includes the position index of the synchronization signal block, the time slot index where it is located, and the frame index where it is located;
  • the cell sounding signal transmission window information includes a position index of the smallest transmittable synchronization signal block and a position index of the largest transmittable synchronization signal block.
  • the configuration information further includes at least one of the following:
  • the value of the time offset may be 0, and the value of the overlap factor may be 1/2.
  • both the transmittable minimum synchronization signal block position index and the transmittable maximum synchronization signal block position index are configurable;
  • the position index of the smallest transmittable synchronization signal block is 0, and the position index of the largest transmittable synchronization signal block is configurable; or
  • the transmittable minimum synchronization signal block position index is 0, and the transmittable maximum synchronization signal block position index is the largest synchronization signal block position index.
  • the search space may be a PDCCH common search space of type 0, or a PDCCH common search space of type 0A.
  • Type 0 PDCCH CSS set can be configured in the following signaling: initial active BWP pdcch-ConfigSIB1 is configured in MIB, and initial active BWP PDCCH-ConfigCommon is configured in SIB1, radio resource control (Radio Resource Control, RRC) signaling configures the PDCCH-ConfigCommon of the DL active BWP (including all RBs of the initial active BWP) that meets certain conditions.
  • RRC Radio Resource Control
  • Time synchronization information including SSB position index i, slot index n SSB,i where the SSB is located, and frame index SFN SSB,i where the SSB is located;
  • QCL modulo information Q that is, the maximum number of different QCL hypotheses that can exist in DRS transmission, or the maximum number of beams that the network side device sends DRS;
  • the DRS transmission window information that is, the time range within which the DRS can be transmitted, is represented by the minimum SSB position index y start and the maximum SSB position index y end that can be transmitted;
  • Both y start and y end can be configured;
  • y start 0, y end can be configured;
  • the information obtained by the UE also includes the number k of search spaces in each slot;
  • the information obtained by the UE also includes the time offset O and the overlap factor M.
  • the UE can calculate the time domain position of the Type 0 PDCCH CSS set according to the following steps. Specifically, after the UE detects SSB#i, the UE calculates the Type 0 PDCCH CSS set corresponding to SSB#i according to the above information
  • the index n 0 of the slot and the frame index SFN C where it is, that is, all or part of the SSB that has the same QCL relationship with the detected SSB#i in the DRS transmission window, expressed by the following formula:
  • ⁇ i is An integer between or
  • Type 0 PDCCH CSS set has multiple occasions for PDCCH detection in one cycle (depending on the number of ⁇ i), and corresponds to a specific QCL index.
  • one SI transmission window allows multiple types of OSIs to be transmitted
  • different OSIs can be distinguished by different occurrences of the Type 0 PDCCH CSS set.
  • the maximum OSI type allowed for an SI window is 2, then the slot occurrence position of the search space in a period is divided into two parts. For example, the first half is used for OSI scheduling with a small OSI index, and the second half is used as OSI scheduling with a large OSI index.
  • one SI window allows the transmission of multiple types of OSI
  • two different search spaces can be configured, and different OSIs can be distinguished by different search space IDs.
  • the embodiment of the present disclosure also provides a search space configuration device, which is applied to user equipment, as shown in FIG. 5, including:
  • the detection module 31 is used to detect at least one synchronization signal block
  • the obtaining module 32 is configured to obtain configuration information of the search space corresponding to the detected synchronization signal block, where the configuration information includes: QCL mode information and/or cell sounding signal transmission window information;
  • the processing module 33 is configured to determine the location of the search space of the physical downlink control channel PDCCH according to the detected time synchronization information of the synchronization signal block and the configuration information.
  • the user equipment after detecting the synchronization signal block, the user equipment obtains the configuration information of the search space corresponding to the detected synchronization signal block, and uses the time synchronization information and the configuration information of the detected synchronization signal block to determine the search for the PDCCH The location of the space.
  • the search space of the UE can be flexibly configured through the configuration information to ensure that the UE can receive multiple types of downlink control information in a timely and effective manner.
  • the cell sounding signal transmission window information is specified by a protocol or configured by a network side device.
  • the time synchronization information includes the position index of the synchronization signal block, the time slot index where it is located, and the frame index where it is located;
  • the cell sounding signal transmission window information includes a position index of the smallest transmittable synchronization signal block and a position index of the largest transmittable synchronization signal block.
  • the configuration information further includes at least one of the following:
  • both the transmittable minimum synchronization signal block position index and the transmittable maximum synchronization signal block position index are configurable;
  • the position index of the smallest transmittable synchronization signal block is 0, and the position index of the largest transmittable synchronization signal block is configurable; or
  • the transmittable minimum synchronization signal block position index is 0, and the transmittable maximum synchronization signal block position index is the largest synchronization signal block position index.
  • the time offset is 0, and the overlap factor is 1/2.
  • the processing module 33 is specifically configured to use the time slot index where the synchronization signal block is located, the position index of the synchronization signal block, the frame index where the synchronization signal block is located, the time offset,
  • the QCL modulus information, the minimum transmittable synchronization signal block position index, the transmittable maximum synchronization signal block position index, and/or the number of frames of the initial access cycle are calculated corresponding to the detected synchronization signal block
  • the time slot index and frame index of the search space of the PDCCH is specifically configured to use the time slot index where the synchronization signal block is located, the position index of the synchronization signal block, the frame index where the synchronization signal block is located, the time offset,
  • the QCL modulus information, the minimum transmittable synchronization signal block position index, the transmittable maximum synchronization signal block position index, and/or the number of frames of the initial access cycle are calculated corresponding to the detected synchronization signal block
  • the time slot index and frame index of the search space of the PDCCH is specifically configured to use the
  • the processing module 33 is specifically configured to use any of the following formulas to calculate the timeslot index n 0 of the search space of the PDCCH corresponding to the detected synchronization signal block:
  • ⁇ i is and An integer between or and Integer between n SSB, i is the synchronization signal block
  • the time slot index at, O is the time offset
  • Q is the QCL modulus information
  • i is the position index of the synchronization signal block
  • M is the overlap factor
  • Is the number of time slots included in each frame
  • y start is the position index of the smallest synchronization signal block that can be transmitted
  • y end is the position index of the largest synchronization signal block that can be transmitted
  • SFN SSB is the frame index where the synchronization signal block is located
  • J is the number of frames in the initial access cycle
  • k is the number of search spaces configured for each time slot.
  • the value of ⁇ i is and Part of the integer between or and Part of the integer between.
  • the value of ⁇ i can be taken
  • the value of ⁇ i may be a continuous integer in the above value range or a discontinuous integer in the above value range.
  • the search space is a PDCCH common search space of type 0, or a PDCCH common search space of type 0A.
  • the search space is a PDCCH common search space of type 0A
  • one system information window allows the transmission of multiple types of other system information OSIs
  • the search spaces used to schedule two different OSIs occupy the same search space period Different time slots.
  • the embodiment of the present disclosure also provides a device for configuring a search space, which is applied to a network side device, as shown in FIG. 6, including:
  • the sending module 41 is configured to send configuration information of the synchronization signal block and the search space corresponding to the synchronization signal block to the user equipment, the configuration information is used to indicate the location of the search space of the PDCCH, and the configuration information includes: QCL module Information and/or cell sounding signal transmission window information.
  • the network side device sends the synchronization signal block and the configuration information of the search space corresponding to the synchronization signal block to the user equipment, so that the user equipment can use the time synchronization of the detected synchronization signal block after detecting the synchronization signal block
  • the information and the configured information determine the location of the search space of the PDCCH, which enables flexible configuration of the search space of the UE to ensure that the UE can receive multiple types of downlink control information in a timely and effective manner.
  • the time synchronization information includes the position index of the synchronization signal block, the time slot index where it is located, and the frame index where it is located;
  • the cell sounding signal transmission window information includes a position index of the smallest transmittable synchronization signal block and a position index of the largest transmittable synchronization signal block.
  • the configuration information further includes at least one of the following:
  • both the transmittable minimum synchronization signal block position index and the transmittable maximum synchronization signal block position index are configurable;
  • the position index of the smallest transmittable synchronization signal block is 0, and the position index of the largest transmittable synchronization signal block is configurable; or
  • the transmittable minimum synchronization signal block position index is 0, and the transmittable maximum synchronization signal block position index is the largest synchronization signal block position index.
  • the time offset is 0, and the overlap factor is 1/2.
  • the embodiment of the present disclosure also provides a communication device, including: a memory, a processor, and a computer program stored in the memory and capable of running on the processor.
  • the computer program is executed by the processor to realize the above The steps in the search space configuration method.
  • the communication device may be a user equipment or a network side device.
  • the user equipment 300 includes but is not limited to: a radio frequency unit 301, a network module 302, an audio output unit 303, an input unit 304, a sensor 305, a display unit 306, and user input Unit 307, interface unit 308, memory 309, processor 310, power supply 311 and other components.
  • a radio frequency unit 301 a radio frequency unit
  • a network module 302 an audio output unit 303, an input unit 304, a sensor 305, a display unit 306, and user input Unit 307, interface unit 308, memory 309, processor 310, power supply 311 and other components.
  • the structure of the user equipment shown in FIG. 7 does not constitute a limitation on the user equipment, and the user equipment may include more or less components than those shown in the figure, or a combination of certain components, or different components Layout.
  • user equipment includes, but is not limited to, mobile phones, tablet computers, notebook computers, palmtop computers, vehicle-mounted terminals, wearable devices, and pedometers.
  • the processor 310 is configured to detect at least one synchronization signal block; obtain configuration information of the search space corresponding to the detected synchronization signal block, the configuration information including: QCL mode information and/or cell sounding signal transmission window information; The detected time synchronization information of the synchronization signal block and the configuration information determine the position of the search space of the physical downlink control channel PDCCH.
  • the cell sounding signal transmission window information is specified by the protocol or configured by the network side device.
  • the time synchronization information includes the position index of the synchronization signal block, the time slot index where it is located, and the frame index where it is located;
  • the cell sounding signal transmission window information includes a position index of the smallest transmittable synchronization signal block and a position index of the largest transmittable synchronization signal block.
  • configuration information further includes at least one of the following:
  • the position index of the smallest transmittable synchronization signal block and the position index of the largest transmittable synchronization signal block are both configurable;
  • the position index of the smallest transmittable synchronization signal block is 0, and the position index of the largest transmittable synchronization signal block is configurable; or
  • the transmittable minimum synchronization signal block position index is 0, and the transmittable maximum synchronization signal block position index is the largest synchronization signal block position index.
  • time offset is 0, and the overlap factor is 1/2.
  • the processor 310 is specifically configured to use the time slot index where the synchronization signal block is located, the position index of the synchronization signal block, the frame index where the synchronization signal block is located, the time offset, and the The QCL modulus information, the minimum transmittable synchronization signal block position index, the transmittable maximum synchronization signal block position index, and/or the number of frames of the initial access cycle are calculated corresponding to the detected synchronization signal block
  • the time slot index and frame index of the search space of the PDCCH is specifically configured to use the time slot index where the synchronization signal block is located, the position index of the synchronization signal block, the frame index where the synchronization signal block is located, the time offset, and the The QCL modulus information, the minimum transmittable synchronization signal block position index, the transmittable maximum synchronization signal block position index, and/or the number of frames of the initial access cycle are calculated corresponding to the detected synchronization signal block
  • the time slot index and frame index of the search space of the PDCCH is specifically configured to use the
  • processor 310 is specifically configured to use any of the following formulas to calculate the time slot index n 0 of the search space of the PDCCH corresponding to the detected synchronization signal block:
  • ⁇ i is and An integer between or and Integer between n SSB, i is the synchronization signal block
  • the time slot index at, O is the time offset
  • Q is the QCL modulus information
  • i is the position index of the synchronization signal block
  • M is the overlap factor
  • Is the number of time slots included in each frame
  • y start is the position index of the smallest synchronization signal block that can be transmitted
  • y end is the position index of the largest synchronization signal block that can be transmitted
  • SFN SSB is the frame index where the synchronization signal block is located
  • J is the number of frames in the initial access cycle
  • k is the number of search spaces configured for each time slot.
  • ⁇ i is and Part of the integer between or
  • the search space is a PDCCH common search space of type 0, or a PDCCH common search space of type 0A.
  • the search space is the PDCCH common search space of type 0A, and one system information window allows the transmission of multiple types of other system information OSIs, the search spaces used to schedule two different OSIs occupy the same search space period. Different time slots.
  • the radio frequency unit 301 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, the downlink data from the base station is received and processed by the processor 310; in addition, Uplink data is sent to the base station.
  • the radio frequency unit 301 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio frequency unit 301 can also communicate with the network and other devices through a wireless communication system.
  • the user equipment provides the user with wireless broadband Internet access through the network module 302, such as helping the user to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 303 may convert the audio data received by the radio frequency unit 301 or the network module 302 or stored in the memory 309 into audio signals and output them as sounds. Moreover, the audio output unit 303 may also provide audio output related to a specific function performed by the user equipment 300 (for example, call signal reception sound, message reception sound, etc.).
  • the audio output unit 303 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 304 is used to receive audio or video signals.
  • the input unit 304 may include a graphics processing unit (GPU) 3041 and a microphone 3042.
  • the graphics processor 3041 is configured to monitor images of still pictures or videos obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. Data is processed.
  • the processed image frame may be displayed on the display unit 306.
  • the image frame processed by the graphics processor 3041 may be stored in the memory 309 (or other storage medium) or sent via the radio frequency unit 301 or the network module 302.
  • the microphone 3042 can receive sound, and can process such sound into audio data.
  • the processed audio data can be converted into a format that can be sent to the mobile communication base station via the radio frequency unit 301 for output in the case of a telephone call mode.
  • the user equipment 300 also includes at least one sensor 305, such as a light sensor, a motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor.
  • the ambient light sensor can adjust the brightness of the display panel 3031 according to the brightness of the ambient light.
  • the proximity sensor can close the display panel 3031 and 3031 when the user equipment 300 is moved to the ear. / Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when it is stationary, and can be used to identify the posture of the user equipment (such as horizontal and vertical screen switching, related games) , Magnetometer attitude calibration), vibration recognition related functions (such as pedometer, percussion), etc.; the sensor 305 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, Infrared sensors, etc., will not be repeated here.
  • the display unit 306 is used to display information input by the user or information provided to the user.
  • the display unit 306 may include a display panel 3031, and the display panel 3031 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.
  • LCD liquid crystal display
  • OLED organic light-emitting diode
  • the user input unit 307 may be used to receive inputted numeric or character information, and generate key signal input related to user settings and function control of the user equipment.
  • the user input unit 307 includes a touch panel 3071 and other input devices 3072.
  • the touch panel 3071 also called a touch screen, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 3071 or near the touch panel 3071. operating).
  • the touch panel 3071 may include two parts: a touch detection device and a touch controller.
  • the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 310, the command sent by the processor 310 is received and executed.
  • the touch panel 3071 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the user input unit 307 may also include other input devices 3072.
  • other input devices 3072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
  • the touch panel 3071 can be overlaid on the display panel 3031.
  • the touch panel 3071 detects a touch operation on or near it, it is transmitted to the processor 310 to determine the type of the touch event, and then the processor 310 responds to the touch The type of event provides corresponding visual output on the display panel 3031.
  • the touch panel 3071 and the display panel 3031 are used as two independent components to implement the input and output functions of the user equipment, in some embodiments, the touch panel 3071 and the display panel 3031 can be integrated
  • the implementation of the input and output functions of the user equipment is not specifically limited here.
  • the interface unit 308 is an interface for connecting an external device with the user equipment 300.
  • the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc.
  • the interface unit 308 may be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the user equipment 300 or may be used to connect to the user equipment 300 and external Transfer data between devices.
  • the memory 309 can be used to store software programs and various data.
  • the memory 309 may mainly include a storage program area and a storage data area.
  • the storage program area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; Data (such as audio data, phone book, etc.) created by the use of mobile phones.
  • the memory 309 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 volatile solid-state storage devices.
  • the processor 310 is the control center of the user equipment. It uses various interfaces and lines to connect the various parts of the entire user equipment, runs or executes software programs and/or modules stored in the memory 309, and calls data stored in the memory 309 , To perform various functions of the user equipment and process data to monitor the user equipment as a whole.
  • the processor 310 may include one or more processing units; preferably, the processor 310 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, application programs, etc., the modem
  • the processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 310.
  • the user equipment 300 may also include a power source 311 (such as a battery) for supplying power to various components.
  • a power source 311 such as a battery
  • the power source 311 may be logically connected to the processor 310 through a power management system, so as to manage charging, discharging, and power consumption management through the power management system. And other functions.
  • the user equipment 300 includes some functional modules not shown, which will not be repeated here.
  • the network side device 500 includes: a processor 501, a transceiver 502, a memory 503, a user interface 504, and a bus interface, among which:
  • the network side device 500 further includes: a computer program stored in the memory 503 and running on the processor 501, and the computer program is executed by the processor 501 to implement the following steps: send a synchronization signal to the user equipment Block and configuration information of the search space corresponding to the synchronization signal block, where the configuration information is used to indicate the location of the search space of the PDCCH, and the configuration information includes: QCL mode information and/or cell sounding signal transmission window information.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 501 and various circuits of the memory represented by the memory 503 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 502 may be a plurality of elements, that is, include a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the user interface 504 may also be an interface capable of externally connecting internally required equipment.
  • the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 501 is responsible for managing the bus architecture and general processing, and the memory 503 can store data used by the processor 501 when performing operations.
  • the time synchronization information includes the position index of the synchronization signal block, the time slot index where it is located, and the frame index where it is located;
  • the cell sounding signal transmission window information includes a position index of the smallest transmittable synchronization signal block and a position index of the largest transmittable synchronization signal block.
  • configuration information further includes at least one of the following:
  • the position index of the smallest transmittable synchronization signal block and the position index of the largest transmittable synchronization signal block are both configurable;
  • the position index of the smallest transmittable synchronization signal block is 0, and the position index of the largest transmittable synchronization signal block is configurable; or
  • the transmittable minimum synchronization signal block position index is 0, and the transmittable maximum synchronization signal block position index is the largest synchronization signal block position index.
  • time offset is 0, and the overlap factor is 1/2.
  • the embodiments of the present disclosure also provide a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the steps in the search space configuration method described above are implemented .
  • the embodiments described herein can be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASIC), Digital Signal Processing (DSP), Digital Signal Processing Equipment (DSP Device, DSPD), programmable Logic device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this application Electronic unit or its combination.
  • ASIC Application Specific Integrated Circuits
  • DSP Digital Signal Processing
  • DSP Device Digital Signal Processing Equipment
  • PLD programmable Logic Device
  • PLD Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described herein can be implemented through modules (such as procedures, functions, etc.) that perform the functions described herein.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the embodiments of the embodiments of the present disclosure may be provided as methods, devices, or computer program products. Therefore, the embodiments of the present disclosure may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the embodiments of the present disclosure may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program codes.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can direct a computer or other programmable data processing user equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the instruction device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing user equipment, so that a series of operation steps are executed on the computer or other programmable user equipment to produce computer-implemented processing, so that the computer or other programmable user equipment
  • the instructions executed above provide steps for implementing functions specified in one or more processes in the flowchart and/or one or more blocks in the block diagram.

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Abstract

本公开提供了一种搜索空间的配置方法及装置、通信设备，属于无线通信技术领域。其中，搜索空间的配置方法，应用于用户设备，包括：检测至少一个同步信号块；获取与检测到的同步信号块对应的搜索空间的配置信息，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息；根据检测到的同步信号块的时间同步信息和所述配置信息确定物理下行控制信道PDCCH的搜索空间的位置。

Description

搜索空间的配置方法及装置、通信设备
相关申请的交叉引用
本申请主张在2019年3月27日在中国提交的中国专利申请号No.201910239500.3的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及无线通信技术领域，特别是指一种搜索空间的配置方法及装置、通信设备。
背景技术
面向5G，在新空口技术(New Radio Access Technology，NR)的标准讨论中，用户设备(User Equipment，UE)需要监听多种类型的下行控制信息(Downlink Control Information，DCI)。其中，UE可以通过盲检测的方式，在UE的搜索空间检测网络侧设备发送的物理下行控制信道(Physical Downlink Control Channel，PDCCH)获得DCI。
5G授权通信系统的搜索空间是在固定的时隙(slot)上。但是5G非授权通信系统的搜索空间与信道空闲检测成功的位置相关，因此搜索空间的位置是灵活的，在授权频段上的时间位置固定的配置和接收方法已经不适用于授权频段。如何在5G非授权通信系统中配置灵活的搜索空间是亟待解决的问题。
发明内容
本公开要解决的技术问题是如何实现对UE的搜索空间进行灵活配置，以保证UE能够及时、有效的接收到多种类型的下行控制信息。
为解决上述技术问题，本公开的实施例提供技术方案如下：
第一方面，本公开的实施例提供一种搜索空间的配置方法，应用于用户设备，包括：
检测至少一个同步信号块；
获取与检测到的同步信号块对应的搜索空间的配置信息，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息；
根据检测到的同步信号块的时间同步信息和所述配置信息确定物理下行控制信道PDCCH的搜索空间的位置。
第二方面，本公开的实施例提供一种搜索空间的配置方法，应用于网络侧设备，包括：
向用户设备发送同步信号块和与所述同步信号块对应的搜索空间的配置信息，所述配置信息用于指示PDCCH的搜索空间的位置，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息。
第三方面，本公开的实施例提供一种搜索空间的配置装置，应用于用户设备，包括：
检测模块，用于检测至少一个同步信号块；
获取模块，用于获取与检测到的同步信号块对应的搜索空间的配置信息，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息；
处理模块，用于根据检测到的同步信号块的时间同步信息和所述配置信息确定物理下行控制信道PDCCH的搜索空间的位置。
第四方面，本公开的实施例提供一种搜索空间的配置装置，应用于网络侧设备，包括：
发送模块，用于向用户设备发送同步信号块和与所述同步信号块对应的搜索空间的配置信息，所述配置信息用于指示PDCCH的搜索空间的位置，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息。
第五方面，本公开的实施例提供一种通信设备，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如上所述的搜索空间的配置方法中的步骤。
第六方面，本公开的实施例提供一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如上所述的搜索空间的配置方法中的步骤。
本公开的实施例具有以下有益效果：
上述方案中，网络侧设备向用户设备发送同步信号块和与同步信号块对 应的搜索空间的配置信息，用户设备在检测到同步信号块后，可以利用检测到的同步信号块的时间同步信息和所配置信息确定PDCCH的搜索空间的位置，能够实现对UE的搜索空间进行灵活配置，以保证UE能够及时、有效的接收到多种类型的下行控制信息。
附图说明
图1为同一个准共址波束方向的SSB在不同时间位置进行发送的示意图；
图2为本公开实施例应用于用户设备的搜索空间的配置方法的流程示意图；
图3为本公开实施例应用于网络侧设备的搜索空间的配置方法的流程示意图；
图4为本公开一具体实施例搜索空间的配置示意图；
图5为本公开实施例应用于用户设备的搜索空间的配置装置的结构框图；
图6为本公开实施例应用于网络侧设备的搜索空间的配置装置的结构框图；
图7为本公开实施例用户设备的组成示意图；
图8为本公开实施例网络侧设备的组成示意图。
具体实施方式
为使本公开的实施例要解决的技术问题、技术方案和优点更加清楚，下面将结合附图及具体实施例进行详细描述。
在新空口(New Radio，NR)Rel15中，系统信息的搜索空间的配置信息在同步信号块(Secondary Synchronization Signal,SSB)和/或物理广播信道(Physical Broadcast Channel,PBCH)中进行发送。对于6GHz以下频段，SSB/PBCH和类型0(Type0)物理下行控制信道(Physical Downlink Control Channel，PDCCH)的资源采用复用模式1，即SSB/PBCH和Type0 PDCCH不能在时域上重叠。在这种模式下，用户可以在第n 0个slot监测Type0 PDCCH，其中n 0满足以下条件：对于SSB索引i，
Figure PCTCN2020081023-appb-000001
如果
Figure PCTCN2020081023-appb-000002
它位于偶数帧号，如果
Figure PCTCN2020081023-appb-000003
它位于奇数帧号。M和O的值在表1中给出：
表1 Type 0 PDCCH配置表
Figure PCTCN2020081023-appb-000004
因此，在5G授权系统中，只要配置索引确定，对于每一个SSB关联的Type 0 PDCCH的配置是在时域周期性的连续两个固定slot上。
在NR Rel15中，定义了如下多种搜索空间：
Type 0 PDCCH公共搜索空间(common search space，CSS)设置(set):通过主信息块(Master Information Block，MIB)信息中的pdcch-ConfigSIB1，PDCCH-ConfigCommon中的searchSpaceSIB1，它用来在主小区组(Master Cell group，MCG)的主小区(primary cell)上检测调度剩余最低系统信息(Remaining minimum system information)，RMSI)的系统信息-无线网络临时标识(System Information-Radio Network Tempory Identity，SI-RNTI)加扰的下行控制信息(Downlink Control Information，DCI)；
Type0A PDCCH CSS set:通过PDCCH-ConfigCommon中的searchSpaceOtherSystemInformation，它用来在MCG的primary cell上检测调度其他系统信息(Other System Information，OSI)的SI-RNTI加扰的DCI；
Type 1 PDCCH CSS set:通过PDCCH-ConfigCommon中的ra-SearchSpace，它用来在pr imary cell上检测调度消息2(msg2)的随机接入响应(Random Access Response，RAR)-RNTI加扰的或者调度消息3(msg3)的临时(TC)-RNTI加扰的DCI；
Type2PDCCH CSS set:通过PDCCH-ConfigCommon中的pagingSearchSpace，它用来在MCG的primary cell上检测调度寻呼(paging)信息的寻呼(P)-RNTI加扰的DCI。
如果激活的(active)下行(Downlink，DL)带宽部分(Band Width Part,BWP)和初始的(initial)DL BWP有相同的子载波间隔(subcarrier spacing,SCS)和循环前缀(Cyclic Prefix,CP)长度，并且initial DL BWP的所有资源块(Resource Block，RB)都包含在配置的active DL BWP中，可以配置coreset#0和searchspace#0，并且此时Type 0 PDCCH CSS set的coreset和searchspace分别配置成coreset#0和searchspace#0。
如果PDCCH-ConfigCommon中对Type 0/0A/1/2PDCCH CSS set的配置searchspaceID为0，则用户按照coreset#0和searchspace#0的配置进行PDCCH监测(monitoring)。
当通信系统运行在非授权频段时，在发送信息之前，用户设备或网络侧设备需要做信道空闲估计(Clear Channel Assess，CCA)和/或扩展信道空 闲估计(extended Clear Channel Assess，eCCA)来侦听信道，即进行能量检测(Energy Detection，ED)，当能量低于一定门限时，信道被判断为空，方可开始传输。由于非授权频段是多种技术或多个传输节点共享，因此这种基于竞争的接入方式导致信道可用时间的不确定性，当信道可用(available)时，网络侧信号传输的可传输位置可能已经错过而无法发送，这样可能导致接收端无法正常接收网络侧配置的信号接收，以及信号接收后根据网络侧的配置进行的终端行为，例如PDCCH监听，对无线环境的监测和测量等。
因此，在非授权通信系统中，SSB/PBCH，Type0 PDCCH和系统信息的发送都需要通过信道空闲估计才能进行发送。为了更有效的进行这些广播信息的发送，在非授权通信系统中通常会把这些信号集中在一起，例如小区探测信号(Discovery Reference Signal，DRS)，这样只需要进行一次信道空闲检测就能把这些信号都成功发送。同时，由于这些信息的重要性，为了保证它们进行传输的概率，需要在一个传输窗内引入多个候选位置，如图1所示，同一个准共址(Quasi Co-Loacted,，QCL)波束(beam)方向的SSB可以在不同时间位置进行发送。
相对于4G授权辅助接入(Licensed-Assisted Access，LAA)非授权通信系统，5G非授权通信系统的主要目标场景是独立部署，因此在DRS中需要包含系统信息，而系统信息搜索空间在SSB/PBCH中配置。通过以上所述，5G授权通信系统的搜索空间是在固定的时隙(slot)上。但是5G非授权通信系统的DRS位置是跟信道空闲检测成功的位置相关，系统信息的发送时间是随着信道的忙闲状态而改变，因此搜索空间的位置是灵活的，在授权频段上的时间位置固定的配置和接收方法已经不适用于授权频段。如何在5G非授权通信系统中配置灵活的搜索空间是亟待解决的问题。
本公开的实施例提供一种搜索空间的配置方法及装置、通信设备，能够达到对UE的搜索空间进行灵活配置的目的，以保证UE能够及时、有效的接收到多种类型的下行控制信息。
本公开实施例提供了一种搜索空间的配置方法，应用于用户设备，如图2所示，包括：
步骤101：检测至少一个同步信号块；
步骤102：获取与检测到的同步信号块对应的搜索空间的配置信息，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息；
步骤103：根据检测到的同步信号块的时间同步信息和所述配置信息确定物理下行控制信道PDCCH的搜索空间的位置。
本实施例中，用户设备在检测到同步信号块后，获取与检测到的同步信号块对应的搜索空间的配置信息，利用检测到的同步信号块的时间同步信息和所配置信息确定PDCCH的搜索空间的位置，这样通过配置信息能够实现对UE的搜索空间进行灵活配置，以保证UE能够及时、有效的接收到多种类型的下行控制信息。
其中，所述小区探测信号传输窗信息可以为协议规定，或网络侧设备预配置，或网络侧设备配置。
可选地，所述时间同步信息包括所述同步信号块的位置索引、所在的时隙索引以及所在的帧索引；
所述小区探测信号传输窗信息包括可传输的最小同步信号块位置索引和可传输的最大同步信号块位置索引。
可选地，所述配置信息还包括以下至少一种：
每个时隙中搜索空间的个数；
时间偏移量；
重叠因子。
其中，所述时间偏移量的取值可以为0，所述重叠因子的取值可以为1/2。
可选地，所述可传输的最小同步信号块位置索引和所述可传输的最大同步信号块位置索引均为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为最大的同步信号块位置索引。
可选地，所述根据检测到的同步信号块的时间同步信息和所述配置信息确定PDCCH的搜索空间的位置包括：
利用所述同步信号块所在的时隙索引、所述同步信号块的位置索引、所 述同步信号块所在的帧索引、所述时间偏移量、所述QCL模信息、所述可传输的最小同步信号块位置索引、所述可传输的最大同步信号块位置索引和/或初始接入的周期的帧个数计算与检测到的同步信号块对应的PDCCH的搜索空间的时隙索引和所在的帧索引。
可选地，利用以下任一公式计算与检测到的同步信号块对应的PDCCH的搜索空间的时隙索引n 0：
Figure PCTCN2020081023-appb-000005
Figure PCTCN2020081023-appb-000006
利用以下公式计算与检测到的同步信号块对应的PDCCH的搜索空间所在的帧索引SFN C；SFN CmodJ＝j
其中
Figure PCTCN2020081023-appb-000007
或者
Figure PCTCN2020081023-appb-000008
Δi是
Figure PCTCN2020081023-appb-000009
之间的整数或者
Figure PCTCN2020081023-appb-000010
之间的整数，n SSB,i为所述同步信号块所
在的时隙索引，O为时间偏移量，Q为QCL模信息，i为所述同步信号块的位置索引，M为重叠因子，
Figure PCTCN2020081023-appb-000011
为每帧包含的时隙个数，y start为可传输的最小同步信号块位置索引，y end为可传输的最大同步信号块位置索引，SFN SSB,i为所述同步信号块所在的帧索引，J为初始接入的周期的帧个数，k为每个时隙配置的搜索空间的个数。
可选地，Δi的取值是
Figure PCTCN2020081023-appb-000012
之间的部分整数或者
Figure PCTCN2020081023-appb-000013
之间的部分整数。Δi的取值可以采
用上述取值范围内的部分整数，也可以采用上述取值范围内的全部整数，Δi的取值可以采用上述取值范围内的连续整数，也可以采用上述取值范围内的不连续整数。
本公开实施例还提供了一种搜索空间的配置方法，应用于网络侧设备，如图3所示，包括：
步骤201：向用户设备发送同步信号块和与所述同步信号块对应的搜索空间的配置信息，所述配置信息用于指示PDCCH的搜索空间的位置，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息。
本实施例中，网络侧设备向用户设备发送同步信号块和与同步信号块对应的搜索空间的配置信息，这样用户设备在检测到同步信号块后，可以利用检测到的同步信号块的时间同步信息和所配置信息确定PDCCH的搜索空间的位置，能够实现对UE的搜索空间进行灵活配置，以保证UE能够及时、有效的接收到多种类型的下行控制信息。
可选地，所述时间同步信息包括所述同步信号块的位置索引、所在的时隙索引以及所在的帧索引；
所述小区探测信号传输窗信息包括可传输的最小同步信号块位置索引和可传输的最大同步信号块位置索引。
可选地，所述配置信息还包括以下至少一种：
每个时隙中搜索空间的个数；
时间偏移量；
重叠因子。
具体地，所述时间偏移量的取值可以为0，所述重叠因子的取值可以为1/2。
可选地，所述可传输的最小同步信号块位置索引和所述可传输的最大同步信号块位置索引均为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为最大的同步信号块位置索引。
本实施例的技术方案中，所述搜索空间可以为类型0的PDCCH公共搜索空间，或类型0A的PDCCH公共搜索空间。
对于Type 0 PDCCH CSS set，Type 0 PDCCH CSS set可以在以下信令中 配置：MIB中配置initial active BWP的pdcch-ConfigSIB1，SIB1中配置initial active BWP的PDCCH-ConfigCommon，无线资源控制(Radio Resource Control，RRC)信令中配置满足一定条件的DL active BWP(包含initial active BWP的所有RB)的PDCCH-ConfigCommon。
但所有配置都首先要求UE已经检测到至少一个SSB，在UE检测到至少一个SSB并获得以下信息：
(1)时间同步信息，包括SSB position index i，以及该SSB所在的slot index n SSB,i，该SSB所在的frame index SFN SSB,i；
(2)QCL模信息Q，即DRS传输中可存在不同QCL假设的最大个数，或者网络侧设备发送DRS的最大波束(beam)个数；
(3)DRS传输窗信息，即DRS可传输的时间范围，用可传输的最小SSB position index y start和最大SSB position index y end进行表示；其中：
y start和y end均可配置；或
y start＝0，y end可配置；或
y start和y end均不可配置，y start＝0和y end＝Y，其中Y为最大的SSB position index；或
在未配置y start和y end的情况下，y start＝0和y end＝Y。
(4)可选地，UE获得的信息还包括每个slot中search space个数k；
(5)可选地，UE获得的信息还包括时间偏移O和重叠因子M，对于NRU来说，可固定上述值，即O＝0，M＝1/2。
UE在获取上述信息后，即可按照以下步骤计算Type 0 PDCCH CSS set的时域位置，具体地，在UE检测到SSB#i后，UE根据上述信息计算SSB#i对应的Type 0 PDCCH CSS set所在slot的index n 0和它所在的frame index SFN C，即在DRS传输窗内与检测到的SSB#i有相同QCL关系的SSB的所有或者部分slot，用如下公式表示：
Figure PCTCN2020081023-appb-000014
或者
Figure PCTCN2020081023-appb-000015
其中，Δi是
Figure PCTCN2020081023-appb-000016
之间的整数或者
Figure PCTCN2020081023-appb-000017
之间的整数；
SFN C满足SFN CmodJ＝j,其中
Figure PCTCN2020081023-appb-000018
Figure PCTCN2020081023-appb-000019
mod J＝j或者
Figure PCTCN2020081023-appb-000020
Figure PCTCN2020081023-appb-000021
mod J＝j。上述J为初始接入假设的周期的帧个数，如果周期为20ms，J＝2；如果周期为40ms，J＝4。
从以上配置上看，Type 0 PDCCH CSS set在一个周期内有多个occasion进行PDCCH检测(取决于Δi的个数)，并且对应于一个特定的QCL index。
为了减少UE搜索的次数，Type 0 PDCCH CSS set可以取上述slot index的一部分，即限制Δi的取值，例如Δi＝0，Δi可取的最小值为
Figure PCTCN2020081023-appb-000022
或者
Figure PCTCN2020081023-appb-000023
Δi可取的最大值为
Figure PCTCN2020081023-appb-000024
或者
Figure PCTCN2020081023-appb-000025
一具体实施例中，假设UE检测到SSB#5得到Type 0 PDCCH CSS set如图4所示，其中，i＝5；n SSB,i＝2，SFN SSB,i＝0；可以计算得到Δi＝-1,0,1,2，进而计算得到n 0＝0,2,4,6；SFN Cmod4＝0for any n 0，则可根据n 0和SFN C确定搜索空间的位置。
本实施例中，对于调度OSI的search space，即Type 0A PDCCH CSS set可以配置成和Type 0 PDCCH CSS set相同或者它的一部分，例如限定Δi＝0，或者限定Δi可取的最小值为
Figure PCTCN2020081023-appb-000026
或者
Figure PCTCN2020081023-appb-000027
限定Δi可取的最大值为
Figure PCTCN2020081023-appb-000028
或者
Figure PCTCN2020081023-appb-000029
如果一个SI传输窗允许传输多个类型的OSI，在配置成Type 0 PDCCH CSS set的情况下，不同的OSI可以通过Type 0 PDCCH CSS set的不同occasion来区分。一具体示例中，如果允许一个SI窗最大传输OSI类型为2，则将一个周期内该search space的slot occasion位置分成两部分，例如前半部分用作OSI index小的OSI调度，后半部分用作OSI index大的OSI调度。
如果一个SI窗允许传输多个类型的OSI，在配置成非Type 0 PDCCH CSS set的情况下，可以配置两个不同的search space，不同的OSI可以通过不同的search space ID来区分。
一具体实施例中，假设UE检测到SSB#5，OSI的SI window长度配置成40ms，OSI#0和OSI#6都在第一个SI window发送，则上述在一个周期内的Type 0 PDCCH CSS set分成两部分，即n 0＝0,4的位置用作OSI#0的搜索；n 0＝2,6的位置用作OSI#6的搜索。
本公开实施例还提供了一种搜索空间的配置装置，应用于用户设备，如图5所示，包括：
检测模块31，用于检测至少一个同步信号块；
获取模块32，用于获取与检测到的同步信号块对应的搜索空间的配置信息，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息；
处理模块33，用于根据检测到的同步信号块的时间同步信息和所述配置信息确定物理下行控制信道PDCCH的搜索空间的位置。
本实施例中，用户设备在检测到同步信号块后，获取与检测到的同步信号块对应的搜索空间的配置信息，利用检测到的同步信号块的时间同步信息和所配置信息确定PDCCH的搜索空间的位置，这样通过配置信息能够实现对UE的搜索空间进行灵活配置，以保证UE能够及时、有效的接收到多种类型的下行控制信息。
可选地，所述小区探测信号传输窗信息为协议规定或网络侧设备配置。
可选地，所述时间同步信息包括所述同步信号块的位置索引、所在的时隙索引以及所在的帧索引；
所述小区探测信号传输窗信息包括可传输的最小同步信号块位置索引和可传输的最大同步信号块位置索引。
可选地，所述配置信息还包括以下至少一种：
每个时隙中搜索空间的个数；
时间偏移量；
重叠因子。
可选地，所述可传输的最小同步信号块位置索引和所述可传输的最大同步信号块位置索引均为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为最大的同步信号块位置索引。
可选地，所述时间偏移量为0，所述重叠因子为1/2。
可选地，所述处理模块33具体用于利用所述同步信号块所在的时隙索引、所述同步信号块的位置索引、所述同步信号块所在的帧索引、所述时间偏移量、所述QCL模信息、所述可传输的最小同步信号块位置索引、所述可传输的最大同步信号块位置索引和/或初始接入的周期的帧个数计算与检测到的同步信号块对应的PDCCH的搜索空间的时隙索引和所在的帧索引。
可选地，所述处理模块33具体用于利用以下任一公式计算与检测到的同步信号块对应的PDCCH的搜索空间的时隙索引n 0：
Figure PCTCN2020081023-appb-000030
Figure PCTCN2020081023-appb-000031
利用以下公式计算与检测到的同步信号块对应的PDCCH的搜索空间所在的帧索引SFN C；SFN CmodJ＝j
其中
Figure PCTCN2020081023-appb-000032
或者
Figure PCTCN2020081023-appb-000033
Δi是
Figure PCTCN2020081023-appb-000034
and
Figure PCTCN2020081023-appb-000035
之间的整数或者
Figure PCTCN2020081023-appb-000036
and
Figure PCTCN2020081023-appb-000037
之间的整数，n SSB,i为所述同步信号块所
在的时隙索引，O为时间偏移量，Q为QCL模信息，i为所述同步信号块的位置索引，M为重叠因子，
Figure PCTCN2020081023-appb-000038
为每帧包含的时隙个数，y start为可传输的最小同步信号块位置索引，y end为可传输的最大同步信号块位置索引，SFN SSB,i为所述同步信号块所在的帧索引，J为初始接入的周期的帧个数，k为每个时隙配置的搜索空间的个数。
可选地，Δi的取值是
Figure PCTCN2020081023-appb-000039
and
Figure PCTCN2020081023-appb-000040
之间的部分整数或者
Figure PCTCN2020081023-appb-000041
and
Figure PCTCN2020081023-appb-000042
之间的部分整数。Δi的取值可以采
用上述取值范围内的部分整数，也可以采用上述取值范围内的全部整数，Δi的取值可以采用上述取值范围内的连续整数，也可以采用上述取值范围内的不连续整数。
可选地，所述搜索空间为类型0的PDCCH公共搜索空间，或类型0A的PDCCH公共搜索空间。
可选地，在所述搜索空间为类型0A的PDCCH公共搜索空间，一个系统信息窗允许传输多个类型的其他系统信息OSI时，用以调度两个不同OSI的搜索空间占用同一搜索空间周期内的不同的时隙。
本公开实施例还提供了一种搜索空间的配置装置，应用于网络侧设备，如图6所示，包括：
发送模块41，用于向用户设备发送同步信号块和与所述同步信号块对应的搜索空间的配置信息，所述配置信息用于指示PDCCH的搜索空间的位置，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息。
本实施例中，网络侧设备向用户设备发送同步信号块和与同步信号块对应的搜索空间的配置信息，这样用户设备在检测到同步信号块后，可以利用检测到的同步信号块的时间同步信息和所配置信息确定PDCCH的搜索空间的位置，能够实现对UE的搜索空间进行灵活配置，以保证UE能够及时、有效的接收到多种类型的下行控制信息。
可选地，所述时间同步信息包括所述同步信号块的位置索引、所在的时隙索引以及所在的帧索引；
所述小区探测信号传输窗信息包括可传输的最小同步信号块位置索引和可传输的最大同步信号块位置索引。
可选地，所述配置信息还包括以下至少一种：
每个时隙中搜索空间的个数；
时间偏移量；
重叠因子。
可选地，所述可传输的最小同步信号块位置索引和所述可传输的最大同步信号块位置索引均为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信 号块位置索引为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为最大的同步信号块位置索引。
可选地，所述时间偏移量为0，所述重叠因子为1/2。
本公开实施例还提供了一种通信设备，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如上所述的搜索空间的配置方法中的步骤。
其中，该通信设备可以为用户设备或网络侧设备。
在该通信设备为用户设备时，如图7所示，该用户设备300包括但不限于：射频单元301、网络模块302、音频输出单元303、输入单元304、传感器305、显示单元306、用户输入单元307、接口单元308、存储器309、处理器310、以及电源311等部件。本领域技术人员可以理解，图7中示出的用户设备结构并不构成对用户设备的限定，用户设备可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。在本公开实施例中，用户设备包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、以及计步器等。
所述处理器310用于检测至少一个同步信号块；获取与检测到的同步信号块对应的搜索空间的配置信息，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息；根据检测到的同步信号块的时间同步信息和所述配置信息确定物理下行控制信道PDCCH的搜索空间的位置。
进一步地，所述小区探测信号传输窗信息为协议规定或网络侧设备配置。
进一步地，所述时间同步信息包括所述同步信号块的位置索引、所在的时隙索引以及所在的帧索引；
所述小区探测信号传输窗信息包括可传输的最小同步信号块位置索引和可传输的最大同步信号块位置索引。
进一步地，所述配置信息还包括以下至少一种：
每个时隙中搜索空间的个数；
时间偏移量；
重叠因子。
进一步地，所述可传输的最小同步信号块位置索引和所述可传输的最大同步信号块位置索引均为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为最大的同步信号块位置索引。
进一步地，所述时间偏移量为0，所述重叠因子为1/2。
进一步地，所述处理器310具体用于利用所述同步信号块所在的时隙索引、所述同步信号块的位置索引、所述同步信号块所在的帧索引、所述时间偏移量、所述QCL模信息、所述可传输的最小同步信号块位置索引、所述可传输的最大同步信号块位置索引和/或初始接入的周期的帧个数计算与检测到的同步信号块对应的PDCCH的搜索空间的时隙索引和所在的帧索引。
进一步地，所述处理器310具体用于利用以下任一公式计算与检测到的同步信号块对应的PDCCH的搜索空间的时隙索引n 0：
Figure PCTCN2020081023-appb-000043
Figure PCTCN2020081023-appb-000044
利用以下公式计算与检测到的同步信号块对应的PDCCH的搜索空间所在的帧索引SFN C；SFN CmodJ＝j
其中
Figure PCTCN2020081023-appb-000045
或者
Figure PCTCN2020081023-appb-000046
Δi是
Figure PCTCN2020081023-appb-000047
and
Figure PCTCN2020081023-appb-000048
之间的整数或者
Figure PCTCN2020081023-appb-000049
and
Figure PCTCN2020081023-appb-000050
之间的整数，n SSB,i为所述同步信号块所
在的时隙索引，O为时间偏移量，Q为QCL模信息，i为所述同步信号块的位置索引，M为重叠因子，
Figure PCTCN2020081023-appb-000051
为每帧包含的时隙个数，y start为可传输的最小同步信号块位置索引，y end为可传输的最大同步信号块位置索引，SFN SSB,i为所述同步信号块所在的帧索引，J为初始接入的周期的帧个数，k为每个时隙配置的搜索空间的个数。
进一步地，Δi的取值是
Figure PCTCN2020081023-appb-000052
and
Figure PCTCN2020081023-appb-000053
之间的部分整数或者
Figure PCTCN2020081023-appb-000054
and
Figure PCTCN2020081023-appb-000055
之间的部分整数。
进一步地，所述搜索空间为类型0的PDCCH公共搜索空间，或类型0A的PDCCH公共搜索空间。
进一步地，在所述搜索空间为类型0A的PDCCH公共搜索空间，一个系统信息窗允许传输多个类型的其他系统信息OSI时，用以调度两个不同OSI的搜索空间占用同一搜索空间周期内的不同的时隙。
应理解的是，本公开实施例中，射频单元301可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自基站的下行数据接收后，给处理器310处理；另外，将上行的数据发送给基站。通常，射频单元301包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频单元301还可以通过无线通信系统与网络和其他设备通信。
用户设备通过网络模块302为用户提供了无线的宽带互联网访问，如帮助用户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元303可以将射频单元301或网络模块302接收的或者在存储器309中存储的音频数据转换成音频信号并且输出为声音。而且，音频输出单元303还可以提供与用户设备300执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出单元303包括扬声器、蜂鸣器以及受话器等。
输入单元304用于接收音频或视频信号。输入单元304可以包括图形处理器(Graphics Processing Unit，GPU)3041和麦克风3042，图形处理器3041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元306上。经图形处理器3041处理后的图像帧可以存储在存储器309(或其它存储介质)中或者经由射频单元301或网络模块302进行发送。麦克风3042可以接收声音，并且能够将这样的声音处理为音频数据。处理后的音频数据可以在电话通话模式的情况下转换为可经由射频单元301发送到移动通信基站的格式输出。
用户设备300还包括至少一种传感器305，比如光传感器、运动传感器 以及其他传感器。具体地，光传感器包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板3031的亮度，接近传感器可在用户设备300移动到耳边时，关闭显示面板3031和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别用户设备姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；传感器305还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。
显示单元306用于显示由用户输入的信息或提供给用户的信息。显示单元306可包括显示面板3031，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode,OLED)等形式来配置显示面板3031。
用户输入单元307可用于接收输入的数字或字符信息，以及产生与用户设备的用户设置以及功能控制有关的键信号输入。具体地，用户输入单元307包括触控面板3071以及其他输入设备3072。触控面板3071，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板3071上或在触控面板3071附近的操作)。触控面板3071可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器310，接收处理器310发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板3071。除了触控面板3071，用户输入单元307还可以包括其他输入设备3072。具体地，其他输入设备3072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
进一步的，触控面板3071可覆盖在显示面板3031上，当触控面板3071检测到在其上或附近的触摸操作后，传送给处理器310以确定触摸事件的类型，随后处理器310根据触摸事件的类型在显示面板3031上提供相应的视觉 输出。虽然在图6中，触控面板3071与显示面板3031是作为两个独立的部件来实现用户设备的输入和输出功能，但是在某些实施例中，可以将触控面板3071与显示面板3031集成而实现用户设备的输入和输出功能，具体此处不做限定。
接口单元308为外部装置与用户设备300连接的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。接口单元308可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到用户设备300内的一个或多个元件或者可以用于在用户设备300和外部装置之间传输数据。
存储器309可用于存储软件程序以及各种数据。存储器309可主要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(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器309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、或其他易失性固态存储器件。
处理器310是用户设备的控制中心，利用各种接口和线路连接整个用户设备的各个部分，通过运行或执行存储在存储器309内的软件程序和/或模块，以及调用存储在存储器309内的数据，执行用户设备的各种功能和处理数据，从而对用户设备进行整体监控。处理器310可包括一个或多个处理单元；优选的，处理器310可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器310中。
用户设备300还可以包括给各个部件供电的电源311(比如电池)，优选的，电源311可以通过电源管理系统与处理器310逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。
另外，用户设备300包括一些未示出的功能模块，在此不再赘述。
在该通信设备为网络侧设备时，如图8所示，网络侧设备500包括：处 理器501、收发机502、存储器503、用户接口504和总线接口，其中：
在本公开实施例中，网络侧设备500还包括：存储在存储器503上并可在处理器501上运行的计算机程序，计算机程序被处理器501、执行时实现如下步骤：向用户设备发送同步信号块和与所述同步信号块对应的搜索空间的配置信息，所述配置信息用于指示PDCCH的搜索空间的位置，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息。
在图8中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器501代表的一个或多个处理器和存储器503代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机502可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备，用户接口504还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器501负责管理总线架构和通常的处理，存储器503可以存储处理器501在执行操作时所使用的数据。
进一步地，所述时间同步信息包括所述同步信号块的位置索引、所在的时隙索引以及所在的帧索引；
所述小区探测信号传输窗信息包括可传输的最小同步信号块位置索引和可传输的最大同步信号块位置索引。
进一步地，所述配置信息还包括以下至少一种：
每个时隙中搜索空间的个数；
时间偏移量；
重叠因子。
进一步地，所述可传输的最小同步信号块位置索引和所述可传输的最大同步信号块位置索引均为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为可配置的；或
所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信 号块位置索引为最大的同步信号块位置索引。
进一步地，，所述时间偏移量为0，所述重叠因子为1/2。
本公开实施例还提供了一种计算机可读存储介质，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如上所述的搜索空间的配置方法中的步骤。
可以理解的是，本文描述的这些实施例可以用硬件、软件、固件、中间件、微码或其组合来实现。对于硬件实现，处理单元可以实现在一个或多个专用集成电路(Application Specific Integrated Circuits，ASIC)、数字信号处理器(Digital Signal Processing，DSP)、数字信号处理设备(DSP Device，DSPD)、可编程逻辑设备(Programmable Logic Device，PLD)、现场可编程门阵列(Field-Programmable Gate Array，FPGA)、通用处理器、控制器、微控制器、微处理器、用于执行本申请所述功能的其它电子单元或其组合中。
对于软件实现，可通过执行本文所述功能的模块(例如过程、函数等)来实现本文所述的技术。软件代码可存储在存储器中并通过处理器执行。存储器可以在处理器中或在处理器外部实现。
本说明书中的各个实施例均采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似的部分互相参见即可。
本领域内的技术人员应明白，本公开实施例的实施例可提供为方法、装置、或计算机程序产品。因此，本公开实施例可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本公开实施例可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本公开实施例是参照根据本公开实施例的方法、用户设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、 专用计算机、嵌入式处理机或其他可编程数据处理用户设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理用户设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理用户设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理用户设备上，使得在计算机或其他可编程用户设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程用户设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本公开实施例的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例做出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本公开实施例范围的所有变更和修改。
还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者用户设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者用户设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者用户设备中还存在另外的相同要素。
以上所述的是本公开的优选实施方式，应当指出对于本技术领域的普通人员来说，在不脱离本公开所述的原理前提下还可以作出若干改进和润饰，这些改进和润饰也在本公开的保护范围内。

Claims (24)

  1. 一种搜索空间的配置方法，应用于用户设备，包括：
    检测至少一个同步信号块；
    获取与检测到的同步信号块对应的搜索空间的配置信息，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息；
    根据检测到的同步信号块的时间同步信息和所述配置信息确定物理下行控制信道PDCCH的搜索空间的位置。
  2. 根据权利要求1所述的搜索空间的配置方法，其中，所述小区探测信号传输窗信息为协议规定或网络侧设备配置。
  3. 根据权利要求1所述的搜索空间的配置方法，其中，所述配置信息还包括以下至少一种：
    每个时隙中搜索空间的个数；
    时间偏移量；
    重叠因子。
  4. 根据权利要求3所述的搜索空间的配置方法，其中，所述时间偏移量为0，所述重叠因子为1/2。
  5. 根据权利要求3所述的搜索空间的配置方法，其中，所述时间同步信息包括所述同步信号块的位置索引、所在的时隙索引和/或所在的帧索引，所述小区探测信号传输窗信息包括可传输的最小同步信号块位置索引和/或可传输的最大同步信号块位置索引，所述根据检测到的同步信号块的时间同步信息和所述配置信息确定PDCCH的搜索空间的位置包括：
    利用所述同步信号块所在的时隙索引、所述同步信号块的位置索引、所述同步信号块所在的帧索引、所述时间偏移量、所述QCL模信息、所述可传输的最小同步信号块位置索引、所述可传输的最大同步信号块位置索引和/或初始接入的周期的帧个数计算与检测到的同步信号块对应的PDCCH的搜索空间的时隙索引和所在的帧索引。
  6. 根据权利要求5所述的搜索空间的配置方法，其中，
    所述可传输的最小同步信号块位置索引和所述可传输的最大同步信号块 位置索引均为可配置的；或
    所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为可配置的；或
    所述可传输的最小同步信号块位置索引为0，所述可传输的最大同步信号块位置索引为最大的同步信号块位置索引。
  7. 根据权利要求5所述的搜索空间的配置方法，其中，利用以下任一公式计算与检测到的同步信号块对应的PDCCH的搜索空间的时隙索引n 0：
    Figure PCTCN2020081023-appb-100001
    Figure PCTCN2020081023-appb-100002
    利用以下公式计算与检测到的同步信号块对应的PDCCH的搜索空间所在的帧索引SFN C；SFN Cmod J＝j
    其中
    Figure PCTCN2020081023-appb-100003
    或者
    Figure PCTCN2020081023-appb-100004
    Δi是
    Figure PCTCN2020081023-appb-100005
    and
    Figure PCTCN2020081023-appb-100006
    之间的整数或者
    Figure PCTCN2020081023-appb-100007
    and
    Figure PCTCN2020081023-appb-100008
    之间的整数，n SSB,i为所述同步信号块所
    在的时隙索引，O为时间偏移量，Q为QCL模信息，i为所述同步信号块的位置索引，M为重叠因子，
    Figure PCTCN2020081023-appb-100009
    为每帧包含的时隙个数，y start为可传输的最小同步信号块位置索引，y end为可传输的最大同步信号块位置索引，SFN SSB,i为所述同步信号块所在的帧索引，J为初始接入的周期的帧个数，k为每个时隙配置的搜索空间的个数。
  8. 根据权利要求7所述的搜索空间的配置方法，其中，Δi的取值是
    Figure PCTCN2020081023-appb-100010
    and
    Figure PCTCN2020081023-appb-100011
    之间的部分整数或者
    Figure PCTCN2020081023-appb-100012
    and
    Figure PCTCN2020081023-appb-100013
    之间的部分整数。
  9. 根据权利要求1所述的搜索空间的配置方法，其中，所述搜索空间为类型0的PDCCH公共搜索空间，或类型0A的PDCCH公共搜索空间。
  10. 根据权利要求9所述的搜索空间的配置方法，其中，在所述搜索空 间为类型0A的PDCCH公共搜索空间，一个系统信息窗允许传输多个类型的其他系统信息OSI时，用以调度两个不同OSI的搜索空间占用同一搜索空间周期内的不同的时隙。
  11. 一种搜索空间的配置方法，应用于网络侧设备，包括：
    向用户设备发送同步信号块和与所述同步信号块对应的搜索空间的配置信息，所述配置信息用于指示PDCCH的搜索空间的位置，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息。
  12. 根据权利要求11所述的搜索空间的配置方法，其中，所述配置信息还包括以下至少一种：
    每个时隙中搜索空间的个数；
    时间偏移量；
    重叠因子。
  13. 根据权利要求12所述的搜索空间的配置方法，其中，所述时间偏移量为0，所述重叠因子为1/2。
  14. 一种搜索空间的配置装置，应用于用户设备，包括：
    检测模块，用于检测至少一个同步信号块；
    获取模块，用于获取与检测到的同步信号块对应的搜索空间的配置信息，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息；
    处理模块，用于根据检测到的同步信号块的时间同步信息和所述配置信息确定物理下行控制信道PDCCH的搜索空间的位置。
  15. 根据权利要求14所述的搜索空间的配置装置，其中，所述小区探测信号传输窗信息为协议规定或网络侧设备配置。
  16. 根据权利要求14所述的搜索空间的配置装置，其中，所述配置信息还包括以下至少一种：
    每个时隙中搜索空间的个数；
    时间偏移量；
    重叠因子。
  17. 根据权利要求16所述的搜索空间的配置装置，其中，所述时间偏移量为0，所述重叠因子为1/2。
  18. 根据权利要求16所述的搜索空间的配置装置，其中，所述时间同步信息包括所述同步信号块的位置索引、所在的时隙索引和/或所在的帧索引，所述小区探测信号传输窗信息包括可传输的最小同步信号块位置索引和/或可传输的最大同步信号块位置索引，
    所述处理模块具体用于利用所述同步信号块所在的时隙索引、所述同步信号块的位置索引、所述同步信号块所在的帧索引、所述时间偏移量、所述QCL模信息、所述可传输的最小同步信号块位置索引、所述可传输的最大同步信号块位置索引和/或初始接入的周期的帧个数计算与检测到的同步信号块对应的PDCCH的搜索空间的时隙索引和所在的帧索引。
  19. 根据权利要求18所述的搜索空间的配置装置，其中，所述处理模块具体用于利用以下任一公式计算与检测到的同步信号块对应的PDCCH的搜索空间的时隙索引n 0：
    Figure PCTCN2020081023-appb-100014
    Figure PCTCN2020081023-appb-100015
    利用以下公式计算与检测到的同步信号块对应的PDCCH的搜索空间所在的帧索引SFN C；SFN Cmod J＝j
    其中
    Figure PCTCN2020081023-appb-100016
    或者
    Figure PCTCN2020081023-appb-100017
    Δi是
    Figure PCTCN2020081023-appb-100018
    之间的整数或者
    Figure PCTCN2020081023-appb-100019
    and
    Figure PCTCN2020081023-appb-100020
    之间的整数，n SSB,i为所述同步信号块所
    在的时隙索引，O为时间偏移量，Q为QCL模信息，i为所述同步信号块的位置索引，M为重叠因子，
    Figure PCTCN2020081023-appb-100021
    为每帧包含的时隙个数，y start为可传输的最小同步信号块位置索引，y end为可传输的最大同步信号块位置索引，SFN SSB,i为所述同步信号块所在的帧索引，J为初始接入的周期的帧个数，k为每个时隙配置的搜索空间的个数。
  20. 根据权利要求19所述的搜索空间的配置装置，其中，Δi的取值 是
    Figure PCTCN2020081023-appb-100022
    and
    Figure PCTCN2020081023-appb-100023
    之间的部分整数或者
    Figure PCTCN2020081023-appb-100024
    and
    Figure PCTCN2020081023-appb-100025
    之间的部分整数。
  21. 一种搜索空间的配置装置，应用于网络侧设备，包括：
    发送模块，用于向用户设备发送同步信号块和与所述同步信号块对应的搜索空间的配置信息，所述配置信息用于指示PDCCH的搜索空间的位置，所述配置信息包括：QCL模信息和/或小区探测信号传输窗信息。
  22. 根据权利要求21所述的搜索空间的配置装置，其中，所述配置信息还包括以下至少一种：
    每个时隙中搜索空间的个数；
    时间偏移量；
    重叠因子。
  23. 一种通信设备，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现如权利要求1至10中任一项所述的搜索空间的配置方法中的步骤或实现如权利要求11至13中任一项所述的搜索空间的配置方法中的步骤。
  24. 一种计算机可读存储介质，其中，所述计算机可读存储介质上存储有计算机程序，所述计算机程序被处理器执行时实现如权利要求1至10中任一项所述的搜索空间的配置方法中的步骤或实现如权利要求11至13中任一项所述的搜索空间的配置方法中的步骤。
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