WO2022027323A1 - Procédé et dispositif de traitement d'informations de recherche et support de stockage - Google Patents

Procédé et dispositif de traitement d'informations de recherche et support de stockage Download PDF

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Publication number
WO2022027323A1
WO2022027323A1 PCT/CN2020/107134 CN2020107134W WO2022027323A1 WO 2022027323 A1 WO2022027323 A1 WO 2022027323A1 CN 2020107134 W CN2020107134 W CN 2020107134W WO 2022027323 A1 WO2022027323 A1 WO 2022027323A1
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WIPO (PCT)
Prior art keywords
search space
downlink control
paging
information
time slot
Prior art date
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PCT/CN2020/107134
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English (en)
Chinese (zh)
Inventor
付婷
Original Assignee
北京小米移动软件有限公司
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Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2020/107134 priority Critical patent/WO2022027323A1/fr
Priority to CN202080001873.8A priority patent/CN115486162A/zh
Publication of WO2022027323A1 publication Critical patent/WO2022027323A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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

  • the present disclosure relates to the field of communication technologies, and in particular, to a method, an apparatus, and a storage medium for processing paging information.
  • a user terminal (User Equipment, UE) needs to monitor the paging downlink control information DCI (Paging DCI) for scheduling a paging message (Paging message) in both the radio resource control (Radio Resource Control, RRC) connected state and the idle state.
  • the radio access network (RAN) can configure the Type 0 PDCCH CSS common search space through system messages (eg MIB), so that if the radio access network does not pass the system information block (eg, MIB) , SIB1) configure other public search spaces for the terminal to monitor the paging downlink control information, then the terminal monitors the paging downlink control information through the Type 0 PDCCH CSS public search space.
  • the radio access network may allocate a dedicated search space or a public search space for the terminal to monitor the downlink control information of paging.
  • the search space of the physical downlink control channel may have various forms of multiplexing, but there is no targeted paging transmission for the multiplexing of the search space in the prior art. plan.
  • the present disclosure provides a method for monitoring paging information, a device for monitoring paging information, and a storage medium.
  • a method for monitoring paging information, applied to a terminal including:
  • the search space including a plurality of time slots; determining at least one time slot of the plurality of time slots in the search space, the at least one time slot The time slot is used for monitoring paging downlink control information in the search space.
  • the method further includes:
  • the paging downlink control information is monitored in the determined at least one time slot.
  • the receiving indication information of the search space associated with the paging downlink control information includes:
  • the multiplexing mode is the first type multiplexing mode.
  • the determining at least one time slot of the plurality of time slots in the search space includes:
  • At least one time slot is selected.
  • the determining at least one time slot of the plurality of time slots in the search space includes:
  • the at least one time slot is selected based on system messages or RRC signaling.
  • the determining at least one time slot of the plurality of time slots in the search space includes:
  • the at least one time slot is selected based on parameters associated with the cell on which the terminal is listening.
  • the acquired parameters include a cell physical layer ID of a cell monitored by the terminal and/or a system frame number broadcast by a cell monitored by the terminal.
  • the first type of physical downlink control channel common search space is a type 0 physical downlink control channel common search space.
  • the first type of multiplexing is SSB/Type 0 PDCCH CSS multiplexing pattern 1.
  • a method for sending paging information, applied to a network device including:
  • determining a search space associated with the paging downlink control information the search space including a plurality of time slots; selecting at least one time slot among the plurality of time slots in the search space, the at least one time slot is used in all time slots
  • the paging downlink control information is sent in the search space; and the indication information for the search space associated with the paging downlink control information is sent.
  • the method further includes
  • the paging downlink control information is sent.
  • the sending the indication information for the search space associated with the paging downlink control information includes:
  • the system message carries indication information for the common search space of the first type of physical downlink control channel associated with the paging downlink control information, and the common search space of the first type of physical downlink control channel is related to the synchronization signal block.
  • the multiplexing mode is the first type multiplexing mode.
  • the selecting at least one time slot among the plurality of time slots in the search space includes:
  • the at least one time slot is selected based on predefined information.
  • the method further includes:
  • Time slot selection information indicates at least one selected time slot
  • the time slot selection information is carried in a system message or RRC signaling.
  • the first type of physical downlink control channel common search space is a type 0 physical downlink control channel common search space.
  • the first type multiplexing mode is SSB/Type 0 PDCCH CSS multiplexing pattern 1.
  • an apparatus for monitoring paging information, applied to a terminal including:
  • a receiving module configured to receive indication information for a search space associated with the paging downlink control information, the search space includes a plurality of time slots; a first determining module, configured to determine the plurality of time slots of the search space At least one time slot in the slot, the at least one time slot is used for monitoring paging downlink control information in the search space.
  • the apparatus further includes a monitoring module:
  • the monitoring module is configured to, based on the indication information, monitor the paging downlink control information in the determined at least one time slot.
  • the receiving module is used to:
  • the multiplexing mode is the first type multiplexing mode.
  • the first determining module is used for:
  • At least one time slot is selected.
  • the first determining module is used for:
  • the at least one time slot is selected based on system messages or RRC signaling.
  • the first determining module is used for:
  • the at least one time slot is selected based on parameters associated with the cell on which the terminal is listening.
  • the acquired parameters include a cell physical layer ID of a cell monitored by the terminal and/or a system frame number broadcast by a cell monitored by the terminal.
  • the first type of physical downlink control channel common search space is a type 0 physical downlink control channel common search space.
  • the first type of multiplexing is SSB/Type 0 PDCCH CSS multiplexing pattern 1.
  • an apparatus for sending paging information which is applied to network equipment, including:
  • the second determination module is configured to determine a search space associated with the paging downlink control information, the search space includes a plurality of time slots; a selection module is configured to select at least one time slot among the plurality of time slots in the search space The at least one time slot is used for sending paging downlink control information in the search space; a sending module is used for sending indication information for the search space associated with the paging downlink control information.
  • the sending module is further configured to:
  • the paging downlink control information is sent.
  • the sending module is used for:
  • the system message carries indication information for the common search space of the first type of physical downlink control channel associated with the paging downlink control information, and the common search space of the first type of physical downlink control channel is related to the synchronization signal block.
  • the multiplexing mode is the first type multiplexing mode.
  • the selection module is used to:
  • the at least one time slot is selected based on predefined information.
  • the sending module is further configured to:
  • Time slot selection information indicates at least one selected time slot
  • the time slot selection information is carried in a system message or RRC signaling.
  • the first type of physical downlink control channel common search space is a type 0 physical downlink control channel common search space.
  • the first type of multiplexing is SSB/Type 0 PDCCH CSS multiplexing pattern 1.
  • an apparatus for monitoring paging information including:
  • processor a processor; a memory for storing processor-executable instructions; wherein the processor is configured to: execute the method for monitoring paging information according to the first aspect or any embodiment of the first aspect.
  • an apparatus for sending paging information including:
  • processor a processor; a memory for storing processor-executable instructions; wherein the processor is configured to: execute the method for sending paging information according to the second aspect or any embodiment of the second aspect.
  • a non-transitory computer-readable storage medium which enables the mobile terminal to execute the first aspect or the first aspect when instructions in the storage medium are executed by a processor of a mobile terminal.
  • the method for monitoring paging information according to any one of the embodiments of the aspect.
  • a non-transitory computer-readable storage medium which enables the mobile terminal to execute the second aspect or the second aspect when instructions in the storage medium are executed by a processor of a mobile terminal.
  • the method for sending paging information according to any one of the embodiments of the aspect.
  • the terminal of the present disclosure receives the indication information for the search space associated with the paging downlink control information, and determines at least one time slot among multiple time slots in the search space It is used for monitoring the downlink control information of monitoring paging sent by the base station. It avoids the problem that the terminal is wasting energy due to unnecessary monitoring.
  • Fig. 1 is an architecture diagram of a communication system according to an exemplary embodiment.
  • Fig. 2 is a flowchart of a method for monitoring paging information according to an exemplary embodiment.
  • Fig. 3 is a flow chart of a method for sending paging information according to an exemplary embodiment.
  • Fig. 4 is a block diagram of an apparatus for monitoring paging information according to an exemplary embodiment.
  • Fig. 5 is a block diagram of another apparatus for monitoring paging information according to an exemplary embodiment.
  • Fig. 6 is a block diagram of yet another apparatus for sending paging information according to an exemplary embodiment.
  • Fig. 7 is a block diagram of an apparatus for monitoring paging information according to an exemplary embodiment.
  • Fig. 8 is a block diagram of an apparatus for sending paging information according to an exemplary embodiment.
  • a terminal needs to monitor paging downlink control information for scheduling paging messages (Paging messages) in both a connected state and a disconnected state (idle state/inactive state). Based on the above-mentioned related technologies, the terminal needs to configure the search space by the wireless access network (for example, through the base station), or monitor the paging downlink control information sent by the base station for scheduling paging messages based on the common search space.
  • the terminal When the terminal monitors the paging downlink control information, if the radio access network does not configure other search spaces for the terminal to monitor the paging downlink control information through the system information block (SIB), the terminal will search based on the type 0 physical downlink control channel common search space.
  • Space Type 0 PDCCH CSS
  • the type 0 physical downlink control channel common search space is jointly determined by search space 0 (ie, search space 0) and control resource set 0 (ie, Control resource set0). And search space 0 is used to determine the time domain resource location, and Control resource set 0 is used to determine the frequency domain resource location.
  • each cell includes one or more beams.
  • Each beam corresponds to a type 0 physical downlink control channel common search space, and the corresponding type 0 physical downlink control channel common search space of the synchronization signal on each beam has three possibilities in the time-frequency resource multiplexing pattern (multiplexing pattern) Case.
  • the first time-frequency resource multiplexing mode (ie, pattern 1) involves at least time-division multiplexing, wherein the type 0 physical downlink control channel common search space corresponds to 2 time slots (slots), and the second time-frequency resource The multiplexing mode (ie, pattern 2) and the third time-frequency resource multiplexing mode (ie, pattern 3) correspond to the common search space of one time slot.
  • the search space of the common search space of the type 0 physical downlink control channel is 0
  • the time-domain resource positions of search space 0 of the common search space of the type 0 physical downlink control channel are distributed in multiple consecutive time slots (for example, , 2 time slots), so the terminal needs to monitor the downlink control information of paging in multiple time slots at the same time.
  • the radio access network may not only allocate a public search space, but also allocate a dedicated search space dedicated to the terminal through RRC signaling, and these search spaces may correspond to multiple time slots. . Therefore, unnecessary monitoring occurs when the terminal monitors the paging downlink control information, resulting in a waste of terminal energy.
  • the present disclosure provides a method for monitoring paging information.
  • FIG. 1 is an architectural diagram of a communication system between a network device and a terminal according to an exemplary embodiment.
  • the method for monitoring paging information provided by the present disclosure can be applied to the communication system architecture diagram shown in FIG. 1 .
  • the base station sends paging downlink control information.
  • the paging downlink control information is sent by the network device on the PDCCH search space, and the PDCCH search space can adopt various multiplexing methods, and the multiplexing methods can occupy multiple time slots.
  • the terminal can determine at least one time slot in which the base station may send paging downlink control information among multiple time slots in the PDCCH search space, and monitor the paging downlink control information in this time slot. information. In the above manner, unnecessary monitoring performed by the terminal is avoided, and the energy of the terminal is saved.
  • the communication system between the network device and the terminal shown in FIG. 1 is only a schematic illustration, and the wireless communication system may also include other network devices, such as core network devices, wireless relay devices, and wireless backhaul devices. Transmission equipment, etc., are not shown in Figure 1.
  • the embodiments of the present disclosure do not limit the number of network devices and the number of terminals included in the wireless communication system.
  • the wireless communication system is a network that provides a wireless communication function.
  • Wireless communication systems can use different communication technologies, such as code division multiple access (CDMA), wideband code division multiple access (WCDMA), time division multiple access (TDMA) , frequency division multiple access (frequency division multiple access, FDMA), orthogonal frequency division multiple access (orthogonal frequency-division multiple access, OFDMA), single carrier frequency division multiple access (single Carrier FDMA, SC-FDMA), carrier sense Carrier Sense Multiple Access with Collision Avoidance.
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency division multiple access
  • single carrier frequency division multiple access single Carrier FDMA, SC-FDMA
  • carrier sense Carrier Sense Multiple Access with Collision Avoidance CDMA
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA time division multiple access
  • OFDMA orthogonal
  • the network can be divided into 2G (English: generation) network, 3G network, 4G network or future evolution network, such as 5G network, 5G network can also be called a new wireless network ( New Radio, NR).
  • 2G International: generation
  • 3G network 4G network or future evolution network, such as 5G network
  • 5G network can also be called a new wireless network ( New Radio, NR).
  • New Radio New Radio
  • the present disclosure will sometimes refer to a wireless communication network simply as a network.
  • the wireless access network equipment may be: a base station, an evolved node B (base station), a home base station, an access point (AP) in a wireless fidelity (WIFI) system, a wireless relay A node, a wireless backhaul node, a transmission point (TP) or a transmission and reception point (TRP), etc., can also be a gNB in an NR system, or can also be a component or part of a device that constitutes a base station Wait.
  • the network device may also be an in-vehicle device. It should be understood that, in the embodiments of the present disclosure, the specific technology and specific device form adopted by the network device are not limited.
  • the terminal involved in the present disclosure may also be referred to as terminal equipment, user equipment (User Equipment, UE), mobile station (Mobile Station, MS), mobile terminal (Mobile Terminal, MT), etc.
  • a device that provides voice and/or data connectivity for example, a terminal may be a handheld device with wireless connectivity, a vehicle-mounted device, or the like.
  • some examples of terminals are: Smartphone (Mobile Phone), Pocket Personal Computer (PPC), PDA, Personal Digital Assistant (PDA), notebook computer, tablet computer, wearable device, or Vehicle equipment, etc.
  • the terminal device may also be an in-vehicle device. It should be understood that the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the terminal.
  • Fig. 2 is a flowchart of a method for monitoring paging information according to an exemplary embodiment. As shown in Fig. 2 , the method for monitoring paging information is used in a terminal, and includes the following steps.
  • step S11 indication information for a search space associated with the paging downlink control information is received, wherein the search space includes a plurality of time slots.
  • step S12 at least one time slot among a plurality of time slots in the search space is determined, wherein at least one time slot is used for monitoring paging downlink control information in the search space.
  • the terminal may receive indication information for the search space associated with the paging downlink control information through a system message (eg, MIB or SIB, etc.) or RRC signaling.
  • the indication information may indicate the resource location of the search space and/or the multiplexing manner of the search space and the synchronization signal.
  • the indication information may also indicate application time slot information corresponding to the search space.
  • the application slot information indicates which slot or slots in the corresponding search space the terminal should listen to.
  • the base station may send paging downlink control information on at least one of the one or more time slots.
  • the terminal may determine at least one time slot among a plurality of time slots in the search space indicated by the indication information, and the at least one time slot may be used for monitoring paging downlink control information in the search space.
  • at least one time slot may be a continuous time slot or a discontinuous time slot.
  • the search space includes 10 time slots, among which 5 time slots are determined for monitoring the downlink control information of paging, and these 5 time slots may be consecutive, such as 1-5 or 2-6 and so on.
  • the determined 5 time slots may be discontinuous, such as 1, 3, 5, 7, 9 or 1, 2, 4, 6, 8, etc., which are not listed one by one in the present disclosure.
  • the terminal receives the indication information for the search space associated with the paging downlink control information, determines at least one time slot in the indication information for monitoring the paging downlink control information, and determines at least one time slot in the indication information for monitoring the paging downlink control information. Monitor paging downlink control information in one time slot. For other search space time slots other than the determined at least one time slot, the terminal will no longer monitor. Unnecessary monitoring by the terminal is avoided, and the energy of the terminal is saved.
  • the indication information for the search space associated with the paging downlink control information received by the terminal may be the indication information in a master system information block (MIB). It can also be indication information in a system information block (SIB). In other words, the terminal receives system messages (ie, MIB messages and/or SIB messages) broadcast by the base station in an idle state/inactive state, thereby receiving indication information.
  • MIB master system information block
  • SIB system information block
  • the base station configures different initial beams based on different coverage scenarios, and sends a synchronization signal on each beam.
  • the multiplexing mode of the synchronization signal and the common search space of the type 0 physical downlink control channel includes three possible multiplexing modes.
  • the base station In the multiplexing mode of Type 0 PDCCH CSS and synchronization signal blocks, at least one time slot is selected from multiple time slots in the first type multiplexing mode for sending paging downlink control information.
  • the terminal After monitoring the synchronization signal beam, the terminal determines at least one time slot of the Type 0 PDCCH CSS for monitoring the paging downlink control information. Afterwards, the terminal monitors the paging downlink control information in the determined at least one time slot. For other time slots, monitoring is no longer performed.
  • a base station may broadcast system messages on multiple SSB beams, and terminals in a disconnected state receive broadcast system messages (eg, MIBs) on these beams.
  • the terminal can obtain the index (index) associated with the default common search space (Type 0 PDCCH CSS) on the beam in the received physical downlink control channel configuration message (pdcch-ConfigSIB1) field in the MIB, based on the The index (index) can obtain the relevant configuration such as the resource location of the Type 0 PDCCH CSS corresponding to the beam and the multiplexing method of the Type 0 PDCCH CSS and the synchronization signal block.
  • search space (search space 0) for type 0 is, if one chooses the one in the list 13-11 (Table 13-11)
  • the configuration of the search space (search space 0) corresponding to index 8 is 2 symbols
  • the beams transmitted by the synchronization information block (SSB) sent by the cell base station may be beam 1, beam 2, beam 3 and beam 4.
  • the time domain positions of the search spaces corresponding to beam 1, beam 2, beam 3 and beam 4 correspond to symbols 0-1 in SSB 0->slot 0/1, symbols 0-1 in SSB1->slot 2/3, Symbols 0-1 in SSB 2->slot 4/5, symbols 0-1 in SSB 3->slot 6/7.
  • the indication information includes index 8 (index8)
  • the configuration of the search space search space 0
  • the configuration of the control resource set ie, Control resource set 0
  • the search space and the The multiplexing pattern of the synchronization signal block for example, the multiplexing pattern is SSB/Type 0PDCCH CSS multiplexing pattern 1.
  • index8 indicates the common search space of Type 0 PDCCH CSS corresponding to the SSB beam, and for this common search space, the multiplexing method with SSB is SSB/Type 0 PDCCH CSS multiplexing pattern 1.
  • the search space has two slots. The terminal may determine that the base station will transmit the paging downlink control information on a specific time slot of the two time slots. Therefore, the terminal determines one of the two time slots that can be used for monitoring the downlink control information for paging.
  • the terminal When the base station does not configure other search spaces for monitoring the paging downlink control information for the terminal through the subsequent system information block (SIB), the terminal will use the type 0 physical downlink control channel common search space (Type 0 physical downlink control channel) configured in the MIB above. 0 PDCCH CSS) to monitor paging downlink control information. At this time, the terminal will monitor the paging downlink control information in the determined time slot based on the Type 0 PDCCH CSS.
  • Type 0 physical downlink control channel configured in the MIB above.
  • 0 PDCCH CSS the type 0 physical downlink control channel common search space
  • the terminal may determine at least one time slot in the search space for monitoring downlink control information of paging according to predefined information. For example, the terminal may determine at least one time slot in the search space to be used for monitoring the downlink control information of paging in a manner pre-agreed by the communication protocol. For example, the terminal may directly determine, according to the provisions of the communication protocol, that the first time slot in the two time slots corresponding to SSB/Type 0 PDCCH CSS multiplexing pattern 1 is the time slot in which the base station is to send paging downlink control information.
  • the terminal may determine at least one time slot in the search space where the base station sends the paging downlink control information according to the system (MIB and/or SIB) message.
  • MIB and/or SIB system
  • the index in pdcch-ConfigSIB1 in the MIB may indicate the resource location of the common search space and/or the multiplexing manner of the common search space and the synchronization signal.
  • a corresponding physical meaning may be added to the index value.
  • the value of index may be set to indicate the resource location of the Type 0 PDCCH CSS and the multiplexing mode of the Type 0 PDCCH CSS and the synchronization signal, and also indicate the application time slot information of the Type 0 PDCCH CSS.
  • the application slot information indicates which slot or slots in the corresponding search space the terminal should listen to.
  • the base station may send paging downlink control information on at least one of the one or more time slots.
  • the terminal may determine at least one time slot in which the base station sends the downlink control information for paging in the search space by using parameters broadcast by the base station associated with the cell monitored by the terminal.
  • the parameters associated with the cell monitored by the terminal may include the cell physical layer ID of the cell monitored by the terminal and/or the system frame number broadcast by the cell monitored by the terminal.
  • the parameter associated with the cell monitored by the terminal is the cell physical layer ID of the cell monitored by the terminal.
  • the search space for paging downlink control information is the first type of physical downlink control channel common search space
  • the multiplexing method of the first type of physical downlink control channel common search space and synchronization signal blocks is the first type
  • the terminal only needs to monitor the paging downlink control information in the ith time slot.
  • the technical solutions related to Type 0 PDCCH CSS and the corresponding SSB/Type 0 PDCCH CSS multiplexing pattern 1 are used as examples above, for those skilled in the art, the above technical solutions can be implemented for any type of public search space, so that the At least one time slot is determined among multiple time slots in the common search space for monitoring the downlink control information of paging.
  • the PDCCH CSS indicated in the SIB which may be Type 0 PDCCH CSS, or other types of PDCCH CSS such as Type 1 PDCCH CSS, Type 2 PDCCH CSS, etc.
  • the PDCCH CSS when the PDCCH CSS also has multiple time slots, It may also be determined in a similar manner as above which one or more of the plurality of time slots the terminal should listen to.
  • the one or more time slots are indicated in the corresponding SIB or other signaling.
  • the terminal receiving the indication information for the search space associated with the paging downlink control information may also be through radio resource control (Radio Resource Control, RRC) signaling.
  • RRC Radio Resource Control
  • the base station can configure a dedicated search space for the terminal through radio resource control signaling, and the dedicated search space configured for the terminal includes at least two time slots.
  • the terminal may determine, through radio resource control signaling, in which one or more time slots among the multiple time slots in the dedicated search space, the downlink control information for paging is monitored.
  • the terminal may determine at least one time slot in the search space for monitoring downlink control information of paging according to predefined information. For example, the terminal may determine at least one time slot in the search space to be used for monitoring the downlink control information of paging in a manner pre-agreed by the communication protocol. For example, the terminal may directly determine, according to the provisions of the communication protocol, the first time slot among the multiple time slots in the dedicated search space as the time slot for the base station to send the downlink control information for paging.
  • the terminal may determine, according to the radio resource control signaling, at least one time slot in which the base station sends the paging downlink control information in the search space.
  • the base station may indicate in the RRC signaling which one or more time slots in the dedicated search space the terminal should use to monitor the paging downlink control information from the base station.
  • the terminal may determine at least one time slot in which the base station sends the downlink control information for paging in the search space by using parameters broadcast by the base station associated with the cell monitored by the terminal.
  • the parameters associated with the cell monitored by the terminal may include the cell physical layer ID of the cell monitored by the terminal and/or the system frame number broadcast by the cell monitored by the terminal.
  • the parameter associated with the cell monitored by the terminal is the cell physical layer ID of the cell monitored by the terminal.
  • the search space for paging downlink control information is the first type of physical downlink control channel common search space
  • the multiplexing method of the first type of physical downlink control channel common search space and synchronization signal blocks is the first type
  • the terminal only needs to monitor the paging downlink control information in the ith time slot.
  • an embodiment of the present disclosure also provides a method for sending paging information.
  • Fig. 3 is a flowchart of a method for sending paging information according to an exemplary embodiment. As shown in Fig. 3 , the method for sending paging information is used in a network device and includes the following steps.
  • step S21 a search space associated with the paging downlink control information is determined, wherein the search space includes a plurality of time slots.
  • step S22 at least one time slot is selected from a plurality of time slots in the search space, wherein at least one time slot is used for transmitting paging downlink control information in the search space.
  • step S23 indication information for the search space associated with the paging downlink control information is sent.
  • the network device may also be referred to as a base station.
  • the base station may send the indication information for the search space associated with the paging downlink control information through system messages (eg, MIB or SIB, etc.) or RRC signaling.
  • the indication information may indicate the resource location of the search space and/or the multiplexing manner of the search space and the synchronization signal.
  • the indication information may also indicate application time slot information corresponding to the search space.
  • the application slot information indicates which slot or slots in the corresponding search space the terminal should listen to.
  • the base station may send paging downlink control information on at least one of the one or more time slots.
  • the base station may select at least one time slot from the plurality of time slots in the search space indicated by the indication information, and the at least one time slot may be used for sending paging downlink control information in the search space.
  • at least one time slot may be a continuous time slot or a discontinuous time slot.
  • the search space includes 10 time slots, among which 5 time slots are determined for monitoring the paging downlink control information, and these 5 time slots may be consecutive, such as 1-5 or 2-6 and so on.
  • the determined 5 time slots may be discontinuous, such as 1, 3, 5, 7, 9 or 1, 2, 4, 6, 8, etc., which are not listed one by one in the present disclosure.
  • the base station selects at least one time slot in the search space for sending paging downlink control information, and sends indication information for the search space associated with the paging downlink control information, and The paging downlink control information is sent on at least one of the selected time slots.
  • sending the paging downlink control information on the selected at least one time slot may include: sending the paging downlink control information on each of the selected at least one time slot; The paging downlink control information is sent on a part of the at least one time slot of the selected time slot; or the paging downlink control information is sent on a time slot in the selected at least one time slot.
  • the indication information for the search space associated with the paging downlink control information sent by the base station may be the indication information in a master system information block (MIB). It can also be indication information in a system information block (SIB).
  • MIB master system information block
  • SIB system information block
  • the base station informs the terminal of the indication information through broadcast system messages (ie, MIB messages and/or SIB messages).
  • the base station configures different initial beams based on different coverage scenarios, and sends a synchronization signal on each beam.
  • the multiplexing mode of the synchronization signal and the common search space of the type 0 physical downlink control channel includes three possible multiplexing modes.
  • the base station In the multiplexing mode of Type 0 PDCCH CSS and synchronization signal blocks, at least one time slot is selected from multiple time slots in the first type multiplexing mode for sending paging downlink control information.
  • a base station may broadcast system messages on multiple SSB beams, and terminals in a disconnected state receive broadcast system messages (eg, MIBs) on these beams.
  • the terminal can obtain the index (index) associated with the default common search space (Type 0 PDCCH CSS) on the beam in the received physical downlink control channel configuration message (pdcch-ConfigSIB1) field in the MIB, based on the The index (index) can obtain the relevant configuration such as the resource location of the Type 0 PDCCH CSS corresponding to the beam and the multiplexing method of the Type 0 PDCCH CSS and the synchronization signal block.
  • search space (search space 0) for type 0 is, if one chooses the one in the list 13-11 (Table 13-11)
  • the configuration of the search space (search space 0) corresponding to index 8 is 2 symbols
  • the beams transmitted by the synchronization information block (SSB) sent by the cell base station may be beam 1, beam 2, beam 3 and beam 4.
  • the time domain positions of the search spaces corresponding to beam 1, beam 2, beam 3 and beam 4 correspond to symbols 0-1 in SSB 0->slot 0/1, symbols 0-1 in SSB1->slot 2/3, Symbols 0-1 in SSB 2->slot 4/5, symbols 0-1 in SSB 3->slot 6/7.
  • the indication information includes index 8 (index8)
  • the configuration of the search space search space 0
  • the configuration of the control resource set ie, Control resource set 0
  • the search space and the The multiplexing pattern of the synchronization signal block for example, the multiplexing pattern is SSB/Type 0PDCCH CSS multiplexing pattern 1.
  • index8 indicates the common search space of Type 0 PDCCH CSS corresponding to the SSB beam, and for this common search space, the multiplexing method with SSB is SSB/Type 0 PDCCH CSS multiplexing pattern 1.
  • the search space has two slots.
  • the base station will send paging downlink control information on a specific time slot of the two time slots. Therefore, the terminal determines one of the two time slots that can be used for monitoring the downlink control information for paging.
  • the terminal will use the type 0 physical downlink control channel common search space (Type 0 physical downlink control channel) configured in the MIB above. 0 PDCCH CSS) to monitor paging downlink control information.
  • the terminal will monitor the paging downlink control information in the determined time slot based on the Type 0 PDCCH CSS.
  • the base station may select at least one time slot in the search space for sending paging downlink control information according to predefined information. For example, the base station may select at least one time slot in the search space to be used for transmitting the paging downlink control information in a manner pre-agreed by the communication protocol. For example, the base station may directly determine, according to the provisions of the communication protocol, that the first time slot in the two time slots corresponding to SSB/Type 0 PDCCH CSS multiplexing pattern 1 is the time slot in which the base station is to send paging downlink control information.
  • the base station may select at least one time slot in the search space for transmitting the paging downlink control information according to the system (MIB and/or SIB) message.
  • MIB and/or SIB system
  • the index in pdcch-ConfigSIB1 in the MIB may indicate the resource location of the common search space and/or the multiplexing manner of the common search space and the synchronization signal.
  • a corresponding physical meaning may be added to the index value.
  • the value of index may be set to indicate the resource location of the Type 0 PDCCH CSS and the multiplexing mode of the Type 0 PDCCH CSS and the synchronization signal, and also indicate the application time slot information of the Type 0 PDCCH CSS.
  • the application slot information indicates which slot or slots in the corresponding search space the terminal should listen to.
  • the base station may send paging downlink control information on at least one of the one or more time slots.
  • the base station may broadcast parameters associated with the cell monitored by the terminal, and inform the terminal of at least one time slot in the search space where the base station sends paging downlink control information.
  • the broadcasted parameters associated with the cell monitored by the terminal may include the cell physical layer ID of the cell monitored by the terminal and/or the system frame number broadcast by the cell monitored by the terminal.
  • the parameter associated with the cell monitored by the terminal is sent by the base station as the cell physical layer ID of the cell monitored by the terminal.
  • the search space for paging downlink control information is the first type of physical downlink control channel common search space
  • the multiplexing method of the first type of physical downlink control channel common search space and synchronization signal blocks is the first type
  • the terminal only needs to monitor the paging downlink control information in the ith time slot.
  • Type 0 PDCCH CSS and the corresponding SSB/Type 0 PDCCH CSS multiplexing pattern 1 are used as examples above, for those skilled in the art, the above technical solutions can be implemented for any type of public search space, so that the At least one time slot in the multiple time slots in the common search space is determined for transmitting paging downlink control information.
  • the PDCCH CSS indicated in the SIB (which may be Type 0 PDCCH CSS, or other types of PDCCH CSS such as Type 1 PDCCH CSS, Type 2 PDCCH CSS, etc.)
  • the PDCCH CSS when the PDCCH CSS also has multiple time slots, it is also possible to determine which one or more time slots in the plurality of time slots the base station transmits the paging downlink control information.
  • the one or more time slots are indicated in the corresponding SIB or other signaling.
  • the base station when the terminal is in a connected state, the base station sends the indication information for the search space associated with the paging downlink control information may also be through radio resource control (Radio Resource Control, RRC) signaling. Since the terminal and the base station are in a connected state, the base station can configure a dedicated search space for the terminal through radio resource control signaling, and the dedicated search space configured for the terminal includes at least two time slots. The terminal may determine, through radio resource control signaling, in which one or more time slots among the multiple time slots in the dedicated search space, the downlink control information for paging is monitored.
  • RRC Radio Resource Control
  • the base station may select at least one time slot in the search space for sending paging downlink control information according to predefined information. For example, the base station may select at least one time slot in the search space to be used for transmitting the paging downlink control information in a manner pre-agreed by the communication protocol. For example, the base station may directly determine, according to the provisions of the communication protocol, the first time slot among the multiple time slots in the dedicated search space as the time slot for the base station to send the paging downlink control information.
  • the base station may determine at least one time slot in the search space for sending downlink control information for paging according to radio resource control signaling. For example, the base station may indicate in the radio resource control signaling which one or more time slots in the dedicated search space the terminal should use to monitor the paging downlink control information from the base station.
  • the base station may broadcast parameters associated with the cell monitored by the terminal, and inform the terminal of the base station to send at least one time slot of the downlink control information for paging in the search space.
  • the parameters associated with the cell monitored by the terminal may include the cell physical layer ID of the cell monitored by the terminal and/or the system frame number broadcast by the cell monitored by the terminal.
  • the parameter associated with the cell monitored by the terminal is the cell physical layer ID of the cell monitored by the terminal.
  • the search space for paging downlink control information is the first type of physical downlink control channel common search space
  • the multiplexing method of the first type of physical downlink control channel common search space and synchronization signal blocks is the first type
  • the terminal only needs to monitor the paging downlink control information in the ith time slot.
  • an embodiment of the present disclosure also provides an apparatus for monitoring paging information.
  • the apparatus for monitoring paging information provided by the embodiments of the present disclosure includes hardware structures and/or software modules corresponding to each function. Combining with the units and algorithm steps of each example disclosed in the embodiments of the present disclosure, the embodiments of the present disclosure can be implemented in hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the technical solutions of the embodiments of the present disclosure.
  • Fig. 4 is a block diagram of an apparatus 100 for monitoring paging information according to an exemplary embodiment.
  • the apparatus includes a receiving module 101 and a first determining module 102 .
  • the receiving module 101 is configured to receive indication information for a search space associated with the paging downlink control information, the search space includes multiple time slots; the first determining module 102 is configured to determine the multiple time slots of the search space. At least one time slot among the time slots, the at least one time slot is used for monitoring paging downlink control information in the search space.
  • Fig. 5 is a block diagram of an apparatus 200 for monitoring paging information according to an exemplary embodiment.
  • the apparatus further includes a monitoring module 103 .
  • the monitoring module 103 is configured to, based on the indication information, monitor the paging downlink control information in the determined at least one time slot.
  • the receiving module 101 is configured to receive the indication information carried in the system message for the common search space of the first type of physical downlink control channel associated with the paging downlink control information, the The multiplexing mode of the first type of physical downlink control channel common search space and the synchronization signal block is the first type of multiplexing mode.
  • the first determining module 102 is configured to select at least one time slot based on predefined information.
  • the first determining module 102 is configured to select the at least one time slot based on a system message or RRC signaling.
  • the first determining module 102 is configured to select the at least one time slot based on a parameter associated with a cell monitored by the terminal.
  • the acquired parameters include the cell physical layer ID of the cell monitored by the terminal and/or the system frame number broadcast by the cell monitored by the terminal.
  • the first type of physical downlink control channel common search space is a type 0 physical downlink control channel common search space.
  • the first type of multiplexing is SSB/Type 0 PDCCH CSS multiplexing pattern 1.
  • the present disclosure also provides an apparatus for sending paging information.
  • FIG. 6 is a block diagram of an apparatus 300 for sending paging information according to an exemplary embodiment.
  • the apparatus for sending paging information includes a second determining module 201 , a selecting module 202 and a sending module 203 .
  • the second determining module 201 is configured to determine a search space associated with the paging downlink control information, the search space includes multiple time slots; the selecting module 202 is configured to select at least one of the multiple time slots in the search space One time slot, the at least one time slot is used for sending paging downlink control information in the search space; the sending module 203 is used for sending indication information for the search space associated with the paging downlink control information.
  • the sending module 203 is further configured to send the paging downlink control information on the selected at least one time slot.
  • the sending module 203 is configured to carry, in the system message, indication information for the first type of physical downlink control channel common search space associated with the paging downlink control information, the first type
  • the multiplexing mode of the physical downlink control channel common search space and the synchronization signal block is the first type multiplexing mode.
  • the selection module 202 is configured to select the at least one time slot based on predefined information.
  • the sending module 203 is further configured to send time slot selection information, where the time slot selection information indicates at least one selected time slot, and the time slot selection information is carried in a system message or RRC in signaling.
  • the first type of physical downlink control channel common search space is a type 0 physical downlink control channel common search space.
  • the first type of multiplexing mode is SSB/Type 0 PDCCH CSS multiplexing pattern 1.
  • Fig. 7 is a block diagram of an apparatus 400 for monitoring paging information according to an exemplary embodiment.
  • apparatus 400 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • the apparatus 400 may include one or more of the following components: a processing component 402, a memory 404, a power component 406, a multimedia component 408, an audio component 410, an input/output (I/O) interface 412, a sensor component 414, and communication component 416 .
  • the processing component 402 generally controls the overall operation of the device 400, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 402 may include one or more processors 420 to execute instructions to perform all or some of the steps of the methods described above.
  • the apparatus 400 for processing paging information can be used as a means for monitoring paging information or an apparatus for transmitting paging information.
  • processing component 402 may include one or more modules that facilitate interaction between processing component 402 and other components.
  • processing component 402 may include a multimedia module to facilitate interaction between multimedia component 408 and processing component 402.
  • Memory 404 is configured to store various types of data to support operations at device 400 . Examples of such data include instructions for any application or method operating on device 400, contact data, phonebook data, messages, pictures, videos, and the like. Memory 404 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power component 406 provides power to various components of device 400 .
  • Power components 406 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to device 400 .
  • Multimedia component 408 includes screens that provide an output interface between the device 400 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • multimedia component 408 includes a front-facing camera and/or a rear-facing camera. When the apparatus 400 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data.
  • Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 410 is configured to output and/or input audio signals.
  • audio component 410 includes a microphone (MIC) that is configured to receive external audio signals when device 400 is in operating modes, such as call mode, recording mode, and voice recognition mode.
  • the received audio signal may be further stored in memory 404 or transmitted via communication component 416 .
  • audio component 410 also includes a speaker for outputting audio signals.
  • the I/O interface 412 provides an interface between the processing component 402 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 414 includes one or more sensors for providing status assessment of various aspects of device 400 .
  • the sensor assembly 414 can detect the open/closed state of the device 400, the relative positioning of components, such as the display and keypad of the device 400, and the sensor assembly 414 can also detect a change in the position of the device 400 or a component of the device 400 , the presence or absence of user contact with the device 400 , the orientation or acceleration/deceleration of the device 400 and the temperature change of the device 400 .
  • Sensor assembly 414 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 414 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 414 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 416 is configured to facilitate wired or wireless communication between apparatus 400 and other devices.
  • Device 400 may access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 416 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 416 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 400 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 404 including instructions, executable by the processor 420 of the apparatus 400 to perform the method described above.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • FIG. 8 is a block diagram of an apparatus 500 for sending paging information according to an exemplary embodiment.
  • the apparatus 500 may be provided as a server.
  • apparatus 500 includes a processing component 522, which further includes one or more processors, and a memory resource, represented by memory 532, for storing instructions executable by processing component 522, such as an application program.
  • An application program stored in memory 532 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 522 is configured to execute instructions to perform the above-described method of sending paging information.
  • Device 500 may also include a power supply assembly 526 configured to perform power management of device 500 , a wired or wireless network interface 550 configured to connect device 500 to a network, and an input output (I/O) interface 558 .
  • Device 500 may operate based on an operating system stored in memory 532, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • first, second, etc. are used to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish the same type of information from one another, and do not imply a particular order or level of importance. In fact, the expressions “first”, “second” etc. are used completely interchangeably.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information, without departing from the scope of the present disclosure.

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

Abstract

La présente invention concerne un procédé et un dispositif de traitement d'informations de recherche et un support de stockage. La présente invention concerne un procédé de surveillance d'informations de recherche, appliqué à un terminal et consistant à : recevoir des informations d'indication pour un espace de recherche associé à des informations de commande de liaison descendante de recherche, l'espace de recherche comprenant de multiples créneaux temporels ; et déterminer au moins un créneau temporel parmi les multiples créneaux temporels de l'espace de recherche, ledit ou lesdits créneaux temporels étant utilisés pour surveiller les informations de commande de liaison descendante de recherche. Selon la présente invention, le terminal détermine au moins un créneau temporel pour envoyer les informations de commande de liaison descendante de recherche par une station de base, permettant ainsi de réduire la surveillance inutile du terminal et d'économiser l'énergie du terminal.
PCT/CN2020/107134 2020-08-05 2020-08-05 Procédé et dispositif de traitement d'informations de recherche et support de stockage WO2022027323A1 (fr)

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