WO2022127679A1 - Procédé et appareil de transmission d'informations, terminal et dispositif côté réseau - Google Patents

Procédé et appareil de transmission d'informations, terminal et dispositif côté réseau Download PDF

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Publication number
WO2022127679A1
WO2022127679A1 PCT/CN2021/136724 CN2021136724W WO2022127679A1 WO 2022127679 A1 WO2022127679 A1 WO 2022127679A1 CN 2021136724 W CN2021136724 W CN 2021136724W WO 2022127679 A1 WO2022127679 A1 WO 2022127679A1
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pdcch
dci
information
listening opportunities
information transmission
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PCT/CN2021/136724
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English (en)
Chinese (zh)
Inventor
洪琪
李�根
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维沃移动通信有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services

Definitions

  • the present invention relates to the field of communication technologies, and in particular, to an information transmission method, device, terminal and network side equipment.
  • type 2 and type 3 are two possible synchronization signals/physical broadcast channel signal blocks (Synchronization Signal and PBCH block, SSB) and Type 0 physical downlink control channel ( Physical downlink control channel, PDCCH) multiplexing method, a common point of these two methods is that one SSB is mapped to one Type 0 PDCCH.
  • SSB Synchronization Signal and PBCH block
  • PDCCH Physical downlink control channel
  • a common point of these two methods is that one SSB is mapped to one Type 0 PDCCH.
  • LTE Long Term Evolution
  • the transmission distance of Type 0 PDCCH in the high frequency band is smaller than that of SSB. Therefore, in pattern 2 and pattern 3, how to realize the coverage enhancement of Type 0 PDCCH is a problem that needs to be considered.
  • the embodiments of the present application provide an information transmission method, apparatus, terminal, and network side equipment, which can solve the problem of how to realize the coverage enhancement of Type 0 PDCCH.
  • an information transmission method including:
  • the terminal acquires a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB;
  • the terminal acquires downlink control information DCI for scheduling the remaining minimum system information RMSI according to the at least two PDCCH listening opportunities.
  • an information transmission method including:
  • the network side device transmits a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB.
  • an information transmission device comprising:
  • a first acquisition module used by the terminal to acquire a first physical downlink control channel PDCCH
  • the first PDCCH includes at least two PDCCH listening opportunities
  • the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB;
  • the second obtaining module is configured to obtain the downlink control information DCI used for scheduling the remaining minimum system information RMSI according to the at least two PDCCH listening opportunities.
  • an information transmission device comprising:
  • the first transmission module is configured to transmit a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB.
  • a terminal in a fifth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, when the program or instruction is executed by the processor.
  • a network side device in a sixth aspect, includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the The processor implements the steps of the method as described in the second aspect when executed.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method described in the first aspect, or the The steps of the method of the second aspect.
  • a chip in an eighth aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the method according to the first aspect steps, or steps of implementing the method according to the second aspect.
  • a computer program product is provided, the computer program product is stored in a non-transitory storage medium, the computer program product is executed by at least one processor to implement the method according to the first aspect steps, or steps of implementing the method according to the second aspect.
  • the first PDCCH corresponding to the SSB such as the Type 0 PDCCH
  • the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH, such as the repeated transmission of the Type 0 PDCCH, and then The purpose of enhancing Type 0 PDCCH coverage can be achieved.
  • FIG. 1 shows a structural diagram of a network system to which an embodiment of the present application can be applied
  • FIG. 2 shows one of the schematic flowcharts of the information transmission method according to the embodiment of the present application
  • FIG. 3 shows one of the schematic diagrams of the SSB and the PDCCH in the embodiment of the present application
  • FIG. 4 shows the second schematic diagram of the SSB and the PDCCH in the embodiment of the present application
  • FIG. 5 shows the third schematic diagram of the SSB and the PDCCH in the embodiment of the present application
  • FIG. 6 shows the fourth schematic diagram of the SSB and the PDCCH in the embodiment of the present application.
  • FIG. 7 shows the second schematic flowchart of the information transmission method according to the embodiment of the present application.
  • FIG. 8 shows one of the schematic diagrams of the modules of the information transmission apparatus according to the embodiment of the present application.
  • FIG. 9 shows a structural block diagram of a communication device according to an embodiment of the present application.
  • FIG. 10 shows a structural block diagram of a terminal according to an embodiment of the present application.
  • FIG. 11 shows the second schematic diagram of the modules of the information transmission apparatus according to the embodiment of the present application.
  • FIG. 12 shows a structural block diagram of a network side device according to an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and "first”, “second” distinctions Usually it is a class, and the number of objects is not limited.
  • the first object may be one or more than one.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the following description, these techniques are also applicable to applications other than NR system applications, such as 6th generation (6 th Generation, 6G) communication system.
  • 6th generation 6 th Generation, 6G
  • FIG. 1 shows a block diagram of a wireless communication system to which the embodiments of the present application can be applied.
  • the wireless communication system includes a terminal 11 and a network-side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet Device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device ( VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: bracelets, earphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, wherein the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Send Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms.
  • the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
  • an embodiment of the present application provides an information transmission method, including:
  • Step 201 The terminal acquires a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB.
  • the above-mentioned first PDCCH may be specifically a Type 0 PDCCH.
  • the Type 0 PDCCH includes a control resource set CORESET#0 and at least two search spaces (Search space)#0, and the Search space#0 is the above-mentioned PDCCH listening opportunity.
  • pattern 1 refers to CORESET#0 and SSB using time division multiplexing
  • pattern 2 and pattern 3 refer to CORESET#0 and SSB.
  • SSB adopts the way of frequency division multiplexing.
  • This embodiment of the present application may adopt a frequency division multiplexing manner for CORESET#0 and SSB.
  • Step 202 The terminal acquires downlink control information DCI for scheduling the remaining minimum system information RMSI according to the at least two PDCCH listening opportunities.
  • DCI can be obtained according to at least two PDCCH listening opportunities, and then RMSI can be obtained according to the DCI.
  • the first PDCCH corresponding to the SSB such as the Type 0 PDCCH
  • the first PDCCH corresponding to the SSB includes multiple PDCCH listening opportunities, and the repeated transmission of the PDCCH can be realized through the multiple PDCCH listening opportunities, such as the repeated transmission of the Type 0 PDCCH, and then the repeated transmission of the PDCCH can be realized.
  • the repeated transmission of the PDCCH can be realized through the multiple PDCCH listening opportunities, such as the repeated transmission of the Type 0 PDCCH, and then the repeated transmission of the PDCCH can be realized.
  • the at least two PDCCH listening opportunities correspond to beams of the same SSB.
  • At least two PDCCH listening opportunities correspond to the beam of the same SSB, so that the purpose of enhancing Type 0 PDCCH coverage can be achieved in Type 2 or Type 3 of the B52.6GHz system.
  • the terminal acquiring the first physical downlink control channel PDCCH includes:
  • the first configuration information is the configuration information of the first PDCCH.
  • the configuration information of the first PDCCH may specifically be a configuration table of CORESET#0 and Search space#0, and according to the configuration table, the number of the above-mentioned at least two PDCCH listening opportunities can be obtained directly or indirectly.
  • the first configuration information is determined according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, including:
  • the first configuration information is determined according to the subcarrier spacing of the SSB and the ratio information of the first PDCCH subcarrier spacing.
  • the terminal acquiring the first physical downlink control channel PDCCH includes:
  • the starting positions of at least two PDCCH listening opportunities are determined in at least one of the following ways:
  • first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the starting positions of the at least two PDCCH listening opportunities, and the first configuration
  • the information is configuration information of the first PDCCH.
  • the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same.
  • the RMSI scheduled by the DCI carried on each PDCCH listening opportunity is the same, and demodulation through multiple DCIs together can provide demodulation accuracy.
  • the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different.
  • the RMSIs scheduled by the DCI carried on each of the PDCCH listening opportunities are different, and the DCIs on the at least two PDCCH listening opportunities need to be demodulated together to obtain all the RMSI information.
  • the locations of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different;
  • the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI;
  • the first DCI is one of the DCIs carried on the at least two listening opportunities
  • the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI.
  • the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different, and the different The other resources indicated by the DCI carried on the PDCCH listening opportunity are the same.
  • the first DCI carries all the information required for scheduling RMSI
  • each second DCI only carries the indication information of time domain resources required for scheduling RMSI
  • by default other indication fields of each second DCI are the same as the first DCI same.
  • Embodiment 1 For the case of type 2, and the PDCCH subcarrier spacing is 4 times the SSB subcarrier spacing.
  • the number of at least two PDCCH monitoring opportunities (PDCCH monitoring occasions) and the position of the initial symbol of the PDCCH monitoring opportunities are indirectly indicated by Table 1.
  • n C represents the time slot where the PDCCH listening opportunity is located
  • n SSB,i represents the first time slot in the PDCCH time slot corresponding to the ith SSB
  • SFN C represents the system frame number of the PDCCH listening opportunity
  • SFN SSB, i represents the system frame number of the i-th SSB.
  • NCP in the initial symbol index indicates that for a general cyclic prefix (Normal CP, NCP), for all PDCCH listening opportunities corresponding to SSBs, the position of the initial symbol is 1 time slot Any value in (14 symbols); 0, 1, ..., 11 for ECP means that for the Extended Cyclic Prefix (Extended CP, NCP), for all PDCCH listening opportunities corresponding to SSBs, the initial symbol is located in the The position is any value in 1 slot (12 symbols).
  • the time slot where the PDCCH listening opportunity is located may be the first time slot in the PDCCH time slot corresponding to the ith SSB, the first time slot-1 in the PDCCH time slot corresponding to the ith SSB, the ith time slot
  • the first time slot-2 in the PDCCH time slot corresponding to the SSB, the first time slot-3 in the PDCCH time slot corresponding to the ith SSB, the first time slot in the PDCCH time slot corresponding to the ith SSB at least one of the slots-4.
  • "And/or" in Table 1 indicates that the PDCCH listening opportunities can be in the same time slot or in different time slots.
  • SSB0 corresponds to two PDCCH slots, namely PDCCH slot2 and PDCCH slot3; the first slot in the PDCCH slot corresponding to SSB0 is PDCCH slot2, and the second slot in the PDCCH slot corresponding to SSB0 is PDCCH slot3.
  • each PDCCH there may be multiple PDCCHs (two in the figure) corresponding to each SSB. And the two PDCCHs may be in the same slot or in different slots. The data scheduled by each PDCCH is located in a different slot.
  • SSB 0 corresponds to two PDCCHs, the first PDCCH schedules the corresponding data in slot 2, and the second PDCCH schedules the data in slot 3;
  • SSB 1 corresponds to two PDCCHs, and the first PDCCH schedules the corresponding data in slot 3 , the second PDCCH schedules the data in slot 4;
  • SSB 2 corresponds to two PDCCHs, the first PDCCH schedules the corresponding data in slot 5, and the second PDCCH schedules the data in slot 6;
  • SSB 3 corresponds to two PDCCHs, and the first PDCCH schedules the data in slot 6.
  • One PDCCH schedules the corresponding data in slot 6, and the second PDCCH schedules the data in slot 7.
  • Embodiment 2 For the case of type 2, and the PDCCH subcarrier spacing is 8 times the SSB subcarrier spacing.
  • the number of at least two PDCCH monitoring opportunities (PDCCH monitoring occasions) and the position of the initial symbol of the PDCCH monitoring opportunities are indirectly indicated by Table 2.
  • n C represents the time slot where the PDCCH listening opportunity is located
  • n SSB,i represents the first time slot in the PDCCH time slot corresponding to the ith SSB
  • SFN C represents the system frame number of the PDCCH listening opportunity
  • SFN SSB, i represents the system frame number of the i-th SSB.
  • NCP in the initial symbol index indicates that for a general cyclic prefix (Normal CP, NCP), for all PDCCH listening opportunities corresponding to SSBs, the position of the initial symbol is 1 time slot Any value in (14 symbols); 0, 1, ..., 11 for ECP means that for the Extended Cyclic Prefix (Extended CP, NCP), for all PDCCH listening opportunities corresponding to SSBs, the initial symbol is located in the The position is any value in 1 slot (12 symbols).
  • the time slot where the PDCCH listening opportunity is located may be the first time slot in the PDCCH time slot corresponding to the ith SSB, the first time slot-1 in the PDCCH time slot corresponding to the ith SSB, the ith time slot
  • the first time slot-2 in the PDCCH time slot corresponding to the SSB, the first time slot-3 in the PDCCH time slot corresponding to the ith SSB, the ith time slot in the PDCCH time slot corresponding to the ith SSB At least one location in a slot-4.
  • "And/or" in Table 2 indicates that the PDCCH listening opportunities can be in the same time slot or in different time slots.
  • FIG. 4 there are three PDCCHs corresponding to SSB0, three PDCCHs corresponding to SSB1, two PDCCHs corresponding to SSB2, and two PDCCHs corresponding to SSB3, and multiple PDCCHs corresponding to SSBs can be found in The same slot can also be in different slots.
  • the data scheduled by each PDCCH is located in a different slot.
  • SSB 0 corresponds to three PDCCHs, the first PDCCH schedules the data in slot 3, the second PDCCH schedules the data in slot 4, and the third PDCCH schedules the data in slot 5;
  • SSB 1 corresponds to three PDCCHs, The first PDCCH schedules the data in slot 5, the second PDCCH schedules the data in slot 6, and the third PDCCH schedules the data in slot 7;
  • SSB 2 corresponds to two PDCCHs, and the first PDCCH schedules slot 10.
  • the data in the second PDCCH scheduling slot 11; SSB 3 corresponds to two PDCCHs, the first PDCCH scheduling the corresponding data in slot 12, and the second PDCCH scheduling the data in slot 13.
  • Embodiment 3 For the case of type 3, and the PDCCH subcarrier spacing is 4 times the SSB subcarrier spacing.
  • the number of at least two PDCCH monitoring opportunities (PDCCH monitoring occasions) and the position of the initial symbol of the PDCCH monitoring opportunities are indirectly indicated by Table 3.
  • n C represents the time slot where the PDCCH listening opportunity is located
  • n SSB,i represents the first time slot in the PDCCH time slot corresponding to the ith SSB
  • SFN C represents the system frame number of the PDCCH listening opportunity
  • SFN SSB, i represents the system frame number of the i-th SSB.
  • NCP in the initial symbol index indicates that for a general cyclic prefix (Normal CP, NCP), for all PDCCH listening opportunities corresponding to SSBs, the position of the initial symbol is 1 time slot Any value in (14 symbols); 0, 1, ..., 11 for ECP means that for the Extended Cyclic Prefix (Extended CP, NCP), for all PDCCH listening opportunities corresponding to SSBs, the initial symbol is located in the The position is any value in 1 slot (12 symbols).
  • the time slot where the PDCCH listening opportunity is located may be at least one of the first time slot in the PDCCH time slot corresponding to the ith SSB and the first time slot+1 in the PDCCH time slot corresponding to the ith SSB Location.
  • "And/or" in Table 3 indicates that the PDCCH listening opportunities can be in the same time slot or in different time slots.
  • each PDCCH there may be multiple PDCCHs (two in the figure) corresponding to each SSB. And the two PDCCHs may be in the same slot or in different slots. The data scheduled by each PDCCH is located in a different slot.
  • SSB 0 corresponds to two PDCCHs, the first PDCCH schedules the corresponding data in slot 2, and the second PDCCH schedules the data in slot 3;
  • SSB 1 corresponds to two PDCCHs, and the first PDCCH schedules the corresponding data in slot 3 , the second PDCCH schedules the data in slot 4;
  • SSB 2 corresponds to two PDCCHs, the first PDCCH schedules the data in slot 5, and the second PDCCH schedules the data in slot 6;
  • SSB 3 corresponds to two PDCCHs, and the first PDCCH schedules the data in slot 6.
  • One PDCCH schedules the corresponding data in slot 6, and the second PDCCH schedules the data in slot 7.
  • Embodiment 4 For the case of type 3, and the PDCCH subcarrier spacing is 8 times the SSB subcarrier spacing.
  • the number of at least two PDCCH monitoring opportunities (PDCCH monitoring occasions) and the position of the initial symbol of the PDCCH monitoring opportunities are indirectly indicated by Table 4.
  • n C represents the time slot where the PDCCH listening opportunity is located
  • n SSB,i represents the first time slot in the PDCCH time slot corresponding to the ith SSB
  • SFN C represents the system frame number of the PDCCH listening opportunity
  • SFN SSB, i represents the system frame number of the i-th SSB.
  • NCP in the initial symbol index indicates that for a general cyclic prefix (Normal CP, NCP), for all PDCCH listening opportunities corresponding to SSBs, the position of the initial symbol is 1 time slot Any value in (14 symbols); 0, 1, ..., 11 for ECP means that for the Extended Cyclic Prefix (Extended CP, NCP), for all PDCCH listening opportunities corresponding to SSBs, the initial symbol is located in the The position is any value in 1 slot (12 symbols).
  • the time slot where the PDCCH listening opportunity is located may be the first time slot in the PDCCH time slot corresponding to the ith SSB, the first time slot+1 in the PDCCH time slot corresponding to the ith SSB, and the ith time slot At least one position in the first time slot+2 in the PDCCH time slot corresponding to the SSB.
  • "And/or" in Table 4 indicates that the PDCCH listening opportunities can be in the same time slot or in different time slots.
  • each PDCCH there may be multiple PDCCHs (three in the figure) corresponding to each SSB. And the two PDCCHs may be in the same slot or in different slots. The data scheduled by each PDCCH is located in a different slot.
  • SSB 0 corresponds to two PDCCHs, the first PDCCH schedules the data in slot 3, the second PDCCH schedules the data in slot 4, and the third PDCCH schedules the data in slot 5;
  • SSB 1 corresponds to three PDCCHs, The first PDCCH schedules the data in slot 5, the second PDCCH schedules the data in slot 6, and the third PDCCH schedules the data in slot 7;
  • SSB 2 corresponds to three PDCCHs, and the first PDCCH schedules slot 10 corresponding to the data
  • SSB 3 corresponds to three PDCCHs, the first PDCCH scheduling slot 12 corresponds to the data, the second PDCCH scheduling slot The data in 13, the data in the third PDCCH scheduling slot 14.
  • the first PDCCH corresponding to the SSB such as the Type 0 PDCCH
  • the first PDCCH corresponding to the SSB includes multiple PDCCH listening opportunities, and the repeated transmission of the PDCCH can be realized through the multiple PDCCH listening opportunities, such as the repeated transmission of the Type 0 PDCCH, and then the repeated transmission of the PDCCH can be realized.
  • the repeated transmission of the PDCCH can be realized through the multiple PDCCH listening opportunities, such as the repeated transmission of the Type 0 PDCCH, and then the repeated transmission of the PDCCH can be realized.
  • an embodiment of the present application also provides an information transmission method, including:
  • Step 701 The network side device transmits a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB.
  • the above-mentioned first PDCCH may be specifically a Type 0 PDCCH.
  • the Type 0 PDCCH includes a control resource set CORESET#0 and at least two search spaces (Search space)#0, and the Search space#0 is the above-mentioned PDCCH listening opportunity.
  • pattern 1 refers to CORESET#0 and SSB using time division multiplexing
  • pattern 2 and pattern 3 refer to CORESET#0 and SSB.
  • SSB adopts the way of frequency division multiplexing.
  • a frequency division multiplexing manner may be adopted for CORESET#0 and SSB.
  • the first PDCCH corresponding to the SSB such as the Type 0 PDCCH
  • the first PDCCH corresponding to the SSB includes multiple PDCCH listening opportunities, and the repeated transmission of the PDCCH can be realized through the multiple PDCCH listening opportunities, such as the repeated transmission of the Type 0 PDCCH, and then the repeated transmission of the PDCCH can be realized.
  • the repeated transmission of the PDCCH can be realized through the multiple PDCCH listening opportunities, such as the repeated transmission of the Type 0 PDCCH, and then the repeated transmission of the PDCCH can be realized.
  • the at least two PDCCH listening opportunities correspond to beams of the same SSB.
  • At least two PDCCH listening opportunities correspond to the beam of the same SSB, so that the purpose of enhancing Type 0 PDCCH coverage can be achieved in Type 2 or Type 3 of the B52.6GHz system.
  • the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same.
  • the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different.
  • the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different;
  • the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI;
  • the first DCI is one of the DCIs carried on the at least two listening opportunities
  • the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI.
  • the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different, and the different The other resources indicated by the DCI carried on the PDCCH listening opportunity are the same.
  • the first DCI carries all the information required for scheduling RMSI
  • each second DCI only carries the indication information of time domain resources required for scheduling RMSI
  • by default other indication fields of each second DCI are the same as the first DCI same.
  • the first PDCCH corresponding to the SSB such as the Type 0 PDCCH
  • the first PDCCH corresponding to the SSB includes multiple PDCCH listening opportunities, and the repeated transmission of the PDCCH can be realized through the multiple PDCCH listening opportunities, such as the repeated transmission of the Type 0 PDCCH, and then the repeated transmission of the PDCCH can be realized.
  • the repeated transmission of the PDCCH can be realized through the multiple PDCCH listening opportunities, such as the repeated transmission of the Type 0 PDCCH, and then the repeated transmission of the PDCCH can be realized.
  • the execution body may be an information transmission apparatus, or a control module in the information transmission apparatus for executing the information transmission method.
  • the information transmission device provided by the embodiment of the present application is described by taking the information transmission method performed by the information transmission device as an example.
  • an embodiment of the present application provides an information transmission apparatus 800, which is applied to a terminal and includes:
  • the first obtaining module 801 is used for a terminal to obtain a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB;
  • the second obtaining module 802 is configured to obtain downlink control information DCI for scheduling the remaining minimum system information RMSI according to the at least two PDCCH listening opportunities.
  • the at least two PDCCH listening opportunities correspond to the beams of the same SSB.
  • the first obtaining module is configured to determine the number of at least two PDCCH listening opportunities in at least one of the following ways:
  • the first configuration information is the configuration information of the first PDCCH.
  • the first obtaining module is configured to determine the first configuration information according to the subcarrier interval of the SSB and the ratio information of the first PDCCH subcarrier interval.
  • the first obtaining module is configured to determine the starting positions of at least two PDCCH listening opportunities in at least one of the following ways:
  • first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the starting positions of the at least two PDCCH listening opportunities, and the first configuration
  • the information is configuration information of the first PDCCH.
  • the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same.
  • the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different.
  • the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different;
  • the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI;
  • the first DCI is one of the DCIs carried on the at least two listening opportunities
  • the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI.
  • the first PDCCH corresponding to the SSB such as the Type 0 PDCCH
  • the first PDCCH corresponding to the SSB includes multiple PDCCH listening opportunities
  • the repeated transmission of the PDCCH can be realized through the multiple PDCCH listening opportunities, for example, the repeated transmission of the Type 0 PDCCH can be realized , and then can achieve the purpose of enhancing Type 0 PDCCH coverage.
  • the information processing apparatus in this embodiment of the present application may be an apparatus, or may be a component, an integrated circuit, or a chip in a terminal.
  • the device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the information transmission device in the embodiment of the present application may be a device with an operating system.
  • the operating system may be an Android (Android) operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
  • the information transmission apparatus provided in the embodiments of the present application can implement each process implemented by the method embodiments in FIGS. 2 to 6 , and achieve the same technical effect. To avoid repetition, details are not described here.
  • an embodiment of the present application further provides a communication device 900, including a processor 901, a memory 902, a program or instruction stored in the memory 902 and executable on the processor 901,
  • a communication device 900 including a processor 901, a memory 902, a program or instruction stored in the memory 902 and executable on the processor 901
  • the communication device 900 is a terminal
  • the program or instruction is executed by the processor 901
  • each process of the above-mentioned embodiments of the information transmission method applied to the terminal can be achieved, and the same technical effect can be achieved.
  • the communication device 900 is a network-side device
  • the program or instruction is executed by the processor 901
  • each process of the above-mentioned embodiment of the information transmission method applied to the network-side device can be achieved, and the same technical effect can be achieved. To avoid repetition, here No longer.
  • the terminal 1000 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user Input unit 1007, interface unit 1008, memory 1009, processor 1010 and other components.
  • the terminal 1000 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1010 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 10 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1006 may include a display panel 10061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1007 includes a touch panel 10071 and other input devices 10072 .
  • the touch panel 10071 is also called a touch screen.
  • the touch panel 10071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 10072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 1001 receives the downlink data from the network side device, and then processes it to the processor 1010; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 1001 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.
  • Memory 1009 may be used to store software programs or instructions as well as various data.
  • the memory 1009 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1009 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 1010 may include one or more processing units; optionally, the processor 1010 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1010.
  • the processor 1010 is configured to acquire a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB; according to the At least two PDCCH listening opportunities are used to obtain downlink control information DCI used for scheduling the remaining minimum system information RMSI.
  • the first PDCCH corresponding to the SSB such as the Type 0 PDCCH
  • the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH, such as the repeated transmission of the Type 0 PDCCH, and then The purpose of enhancing Type 0 PDCCH coverage can be achieved.
  • the at least two PDCCH listening opportunities correspond to beams of the same SSB.
  • the processor 1010 is further configured to determine the number of at least two PDCCH listening opportunities in at least one of the following manners:
  • the first configuration information is the configuration information of the first PDCCH.
  • the processor 1010 is further configured to determine the first configuration information according to the subcarrier spacing of the SSB and the ratio information of the first PDCCH subcarrier spacing.
  • the processor 1010 is further configured to determine the starting positions of the at least two PDCCH listening opportunities in at least one of the following manners:
  • first configuration information according to at least one of the subcarrier spacing of the SSB and the first PDCCH subcarrier spacing, where the first configuration information includes the starting positions of the at least two PDCCH listening opportunities, and the first configuration
  • the information is configuration information of the first PDCCH.
  • the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same.
  • the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different.
  • the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different;
  • the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI;
  • the first DCI is one of the DCIs carried on the at least two listening opportunities
  • the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI.
  • the first PDCCH corresponding to the SSB such as the Type 0 PDCCH
  • the multiple PDCCH listening opportunities can realize the repeated transmission of the PDCCH, such as the repeated transmission of the Type 0 PDCCH, and then The purpose of enhancing Type 0 PDCCH coverage can be achieved.
  • an embodiment of the present application further provides an information transmission apparatus 1100, including:
  • the first transmission module 1101 is configured to transmit a first physical downlink control channel PDCCH, the first PDCCH includes at least two PDCCH listening opportunities, and the first PDCCH is a PDCCH corresponding to a synchronization signal/physical broadcast channel signal block SSB.
  • the at least two PDCCH listening opportunities correspond to the beams of the same SSB.
  • the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is the same.
  • the RMSI scheduled by the DCI carried on each of the PDCCH listener opportunities is different.
  • the positions of the time domain resources indicated by the DCI carried on the different PDCCH listening opportunities are different;
  • the first DCI carries all the information required for scheduling RMSI, and each second DCI only carries indication information of time domain resources required for scheduling RMSI;
  • the first DCI is one of the DCIs carried on the at least two listening opportunities
  • the second DCI is one of the DCIs carried on the at least two listening opportunities except the first DCI. DCI.
  • the first PDCCH corresponding to the SSB such as the Type 0 PDCCH
  • the first PDCCH corresponding to the SSB includes multiple PDCCH listening opportunities
  • the repeated transmission of the PDCCH can be realized through the multiple PDCCH listening opportunities, for example, the repeated transmission of the Type 0 PDCCH can be realized , and then can achieve the purpose of enhancing Type 0 PDCCH coverage.
  • the network device 1200 includes: an antenna 1201 , a radio frequency device 1202 , and a baseband device 1203 .
  • the antenna 1201 is connected to the radio frequency device 1202 .
  • the radio frequency device 1202 receives information through the antenna 1201, and sends the received information to the baseband device 1203 for processing.
  • the baseband device 1203 processes the information to be sent and sends it to the radio frequency device 1202
  • the radio frequency device 1202 processes the received information and sends it out through the antenna 1201 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1203 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 1203 .
  • the baseband apparatus 1203 includes a processor 1204 and a memory 1205 .
  • the baseband device 1203 may include, for example, at least one baseband board on which multiple chips are disposed, as shown in FIG. 12 , one of the chips is, for example, the processor 1204 , which is connected to the memory 1205 to call the program in the memory 1205 to execute
  • the network-side device shown in the above method embodiments operates.
  • the baseband device 1203 may further include a network interface 1206 for exchanging information with the radio frequency device 1202, and the interface is, for example, a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in this embodiment of the present invention further includes: instructions or programs that are stored in the memory 1205 and run on the processor 1204, and the processor 1204 invokes the instructions or programs in the memory 1205 to execute the modules shown in FIG. 11 .
  • Embodiments of the present application further provide a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the foregoing information transmission method embodiment can be achieved, and the same can be achieved. In order to avoid repetition, the technical effect will not be repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the above-mentioned method for transmitting multicast services
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is configured to run a program or an instruction to implement the above-mentioned method for transmitting multicast services
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • the method of the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or in a part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, CD-ROM), including several instructions to make a terminal (which may be a mobile phone, a computer, a server, or a network device, etc.) execute the methods described in the various embodiments of this application.
  • a storage medium such as ROM/RAM, magnetic disk, CD-ROM

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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, qui appartient au domaine technique des communications, concerne un procédé et un appareil de transmission d'informations, ainsi qu'un terminal et un dispositif côté réseau. Le procédé comprend les étapes suivantes : un terminal acquiert un premier canal de commande de liaison descendante physique (PDCCH), le premier PDCCH comprenant au moins deux occasions de surveillance PDCCH, et le premier PDCCH étant un PDCCH correspondant à un bloc de signaux de canal de diffusion physique/signaux de synchronisation (SSB) ; et le terminal acquiert, en fonction des au moins deux occasions de surveillance PDCCH, des informations de commande de liaison descendante (DCI) permettant de planifier les informations système minimales restantes (RMSI).
PCT/CN2021/136724 2020-12-15 2021-12-09 Procédé et appareil de transmission d'informations, terminal et dispositif côté réseau WO2022127679A1 (fr)

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