WO2020237489A1 - Procédé et appareil de communication et support de données lisible par ordinateur - Google Patents

Procédé et appareil de communication et support de données lisible par ordinateur Download PDF

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Publication number
WO2020237489A1
WO2020237489A1 PCT/CN2019/088671 CN2019088671W WO2020237489A1 WO 2020237489 A1 WO2020237489 A1 WO 2020237489A1 CN 2019088671 W CN2019088671 W CN 2019088671W WO 2020237489 A1 WO2020237489 A1 WO 2020237489A1
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Prior art keywords
carrier
terminal device
format
indication information
domain resource
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PCT/CN2019/088671
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English (en)
Chinese (zh)
Inventor
罗之虎
金哲
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2019/088671 priority Critical patent/WO2020237489A1/fr
Priority to CN201980091781.0A priority patent/CN113424618B/zh
Publication of WO2020237489A1 publication Critical patent/WO2020237489A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • 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
    • H04W72/12—Wireless traffic scheduling

Definitions

  • This application relates to the field of communication technology, and in particular to a communication method, device and computer-readable storage medium.
  • the Internet of Things is the Internet that connects things. It expands the user end of the Internet to any object and object for information exchange and communication. This type of communication is also called machine type communication. communications, MTC), the communication node is called MTC terminal.
  • Typical IoT applications include smart grids, smart agriculture, smart transportation, smart homes, and environmental detection.
  • the carrier bandwidth of IoT terminals is small, and only supports low-speed IoT applications. How to configure a larger carrier bandwidth for terminal equipment under the premise of a smaller carrier bandwidth to support the application of medium and high speed Internet of Things is a current research hotspot.
  • the embodiments of the present application provide a communication method, device, and computer-readable storage medium. Using the method, device, and computer-readable storage medium of the present application, a large working bandwidth can be configured for a terminal device under the premise of a small working bandwidth.
  • a communication method including: a terminal device receives first indication information from a network device on a first carrier; the terminal device determines a second carrier according to the first indication information, and the first carrier The bandwidth of the second carrier is greater than the bandwidth of the first carrier, and the maximum control channel element CCE aggregation level supported by the second carrier is greater than the maximum CCE aggregation level supported by the first carrier or the anchor carrier.
  • the terminal device receives the first indication information on the first carrier to determine the second carrier.
  • the bandwidth of the second carrier is greater than the bandwidth of the first carrier.
  • one CCE in the second carrier, includes a first number of resource element REs, and in the first carrier, one CCE includes a second number of REs, and the first number is equal to The second number is the same.
  • the number of REs contained in a CCE on the first carrier and the second carrier is the same, which can prevent the terminal equipment from receiving downlink control information according to different CCE assumptions, thereby reducing the complexity of the terminal equipment implementation.
  • a CCE on the second carrier contains the same number of REs
  • the second carrier may include the first carrier
  • the number and/or structure of CCE time-frequency resources on the second carrier may be the same as the number and/or CCE time-frequency resources on the first carrier.
  • the structure is the same, so it is beneficial to improve the compatibility of the system, improve the resource utilization rate, and be compatible with stock terminals.
  • Stock terminals refer to terminals that do not have the ability to send and receive data in a larger working bandwidth.
  • the second carrier includes the first carrier, or the second carrier does not include the first carrier.
  • the first indication information includes: frequency information of the second carrier and bandwidth information of the second carrier; or, a first offset and bandwidth information of the second carrier ,
  • the first offset is determined according to the first carrier, or the first offset is determined according to the anchor point carrier, or the first offset is determined according to the reference frequency of.
  • the method further includes: the terminal device receives the first downlink control information DCI from the network device on the second carrier; DCI determines a first time-frequency domain resource; the terminal device performs data transmission with the network device according to the first time-frequency domain resource.
  • the first DCI includes a first resource allocation domain and a second resource allocation domain
  • the terminal device determines the first time-frequency domain resource according to the first DCI, including: The terminal device determines the first frequency domain resource according to the first resource allocation domain; the terminal device determines the first time domain resource according to the second resource allocation domain and the first frequency domain resource; the terminal device Determine the first time-frequency domain resource according to the first frequency domain resource and the first time domain resource.
  • the format of the first DCI is one of the following formats: format N0, format N1, format 6-0A, format 6-0B, format 6-1A, or format 6-1B.
  • a communication method including: a network device determines first indication information; the network device sends the first indication information to a terminal device on a first carrier, and the first indication information is used to determine A second carrier, the bandwidth of the second carrier is greater than the bandwidth of the first carrier, and the maximum control channel element CCE aggregation level supported by the second carrier is greater than the maximum CCE supported by the first carrier or anchor carrier Aggregation level.
  • the network device sends the first indication information to the terminal device on the first carrier for the terminal device to determine the second carrier.
  • the bandwidth of the second carrier is greater than the bandwidth of the first carrier.
  • a large working bandwidth can be configured for the terminal device to support the application of the medium and high speed Internet of Things.
  • using a larger CCE aggregation level on a larger working bandwidth can make it possible to carry more downlink control information on a larger working bandwidth, improve scheduling efficiency and scheduling flexibility, and improve resource utilization.
  • one CCE in the second carrier, includes a first number of resource element REs, and in the first carrier, one CCE includes a second number of REs, and the first number is equal to The second number is the same.
  • the number of REs contained in a CCE on the first carrier and the second carrier is the same, which can prevent the terminal equipment from receiving downlink control information according to different CCE assumptions, thereby reducing the complexity of the terminal equipment implementation.
  • a CCE on the second carrier contains the same number of REs
  • the second carrier may include the first carrier
  • the number and/or structure of CCE time-frequency resources on the second carrier may be the same as the number and/or CCE time-frequency resources on the first carrier.
  • the structure is the same, so it is beneficial to improve the compatibility of the system, improve the resource utilization rate, and be compatible with stock terminals.
  • Stock terminals refer to terminals that do not have the ability to send and receive data in a larger working bandwidth.
  • the second carrier includes the first carrier, or the second carrier does not include the first carrier.
  • the first indication information includes: frequency information of the second carrier and bandwidth information of the second carrier; or, a first offset and bandwidth information of the second carrier ,
  • the first offset is determined according to the first carrier, or the first offset is determined according to the anchor point carrier, or the first offset is determined according to the reference frequency of.
  • the method further includes: the network device sends first downlink control information DCI to the terminal device on the second carrier, and the first DCI is used to indicate the first Time-frequency domain resource; the network device performs data transmission with the terminal device according to the first time-frequency domain resource.
  • the first time-frequency domain resource includes a first frequency domain resource and a first time domain resource
  • the first DCI includes a first resource allocation domain and a second resource allocation domain
  • the The first resource allocation field is used to indicate the first frequency domain resource
  • the second resource allocation field and the first frequency domain resource jointly indicate the first time domain resource.
  • the format of the first DCI may be one of the following formats: format N0, format N1, format 6-0A, format 6-0B, format 6-1A, or format 6-1B.
  • the network device sends the first indication information to the terminal device on the first carrier, including: the network device determines the coverage level of the terminal device; when the coverage level satisfies Under a preset condition, the network device sends the first indication information to the terminal device on the first carrier.
  • the network device uses the coverage level of the terminal device to determine whether to send the first indication information to the terminal device, which can improve scheduling efficiency and avoid sending some invalid configuration information or indication information.
  • a communication method including: a terminal device receives first indication information from a network device on a first carrier; the terminal device determines N target carriers according to the first indication information, and The bandwidth of each of the N target carriers is less than or equal to the bandwidth of the first carrier, and the sum of the bandwidths of the N target carriers is greater than the bandwidth of the first carrier, where N is a positive value greater than 1. Integer.
  • the terminal device receives the first indication information on the first carrier to determine N target carriers, wherein the bandwidth of each target carrier in the N target carriers is less than or equal to the first carrier And the sum of the bandwidths of the N multiple target carriers is greater than the bandwidth of the first carrier.
  • the terminal device can be configured with a large working bandwidth on the premise of a smaller working bandwidth, Support mid-to-high speed IoT applications.
  • making full use of fragmented and discrete spectrum resources such as aggregating N smaller bandwidths into a larger working bandwidth, can improve resource utilization and spectrum efficiency.
  • Network equipment is more flexible in resource allocation and network deployment is also more flexible.
  • the N target carriers can be continuous carriers or non-continuous carriers.
  • the first indication information includes configuration information of each of the N target carriers.
  • N target carriers use different configuration information, which can improve the flexibility of network device configuration resources and network deployment.
  • the N target carriers include a second carrier
  • the configuration information of the second carrier includes second indication information
  • the second indication information is used to indicate that the second carrier supports Cross-carrier scheduling, or the second indication information is used to indicate that the second carrier does not support cross-carrier scheduling.
  • the terminal device can determine which carrier supports cross-carrier scheduling, and the terminal device can determine the format or size of the downlink control information to avoid blind detection of different formats or Different sizes of downlink control information can reduce the complexity of terminal equipment.
  • the N target carriers include a third carrier
  • the configuration information of the third carrier includes third indication information
  • the third indication information is used to indicate that the third carrier bears Control information, or, the third indication information indicates that the third carrier does not carry control information.
  • the terminal device can determine which carrier carries the control information by using the aforementioned third indication information, and then monitor the carrier.
  • the terminal equipment monitors all carriers, which can reduce the complexity of the terminal equipment.
  • the second carrier and the third carrier are the same carrier, or the second carrier and the third carrier are different carriers.
  • a communication method including: a network device determines first indication information; the network device sends the first indication information to a terminal device on a first carrier, and the first indication information is used to determine N target carriers, the bandwidth of each of the N target carriers is less than or equal to the bandwidth of the first carrier, and the sum of the bandwidths of the N target carriers is greater than the bandwidth of the first carrier,
  • the N is a positive integer greater than 1.
  • the network device sends the first indication information to the terminal device on the first carrier for the terminal device to determine N target carriers, wherein the bandwidth of each target carrier in the N target carriers is less than or It is equal to the bandwidth of the first carrier, and the sum of the bandwidths of the N multiple target carriers is greater than the bandwidth of the first carrier.
  • the terminal device can be configured with a smaller working bandwidth Large working bandwidth to support medium and high-speed IoT applications.
  • making full use of fragmented and discrete spectrum resources such as aggregating N smaller bandwidths into a larger working bandwidth, can improve resource utilization and spectrum efficiency.
  • Network equipment is more flexible in resource allocation and network deployment is also more flexible.
  • the N target carriers can be continuous carriers or non-continuous carriers.
  • the first indication information includes configuration information of each of the N target carriers.
  • N target carriers use different configuration information, which can improve the flexibility of network device configuration resources and network deployment.
  • the N target carriers include a second carrier
  • the configuration information of the second carrier includes second indication information
  • the second indication information is used to indicate that the second carrier supports Cross-carrier scheduling, or the second indication information is used to indicate that the second carrier does not support cross-carrier scheduling.
  • the terminal device can determine which carrier supports cross-carrier scheduling, and the terminal device can determine the format or size of the downlink control information to avoid blind detection of different formats or Different sizes of downlink control information can reduce the complexity of terminal equipment.
  • the N target carriers include a third carrier
  • the configuration information of the third carrier includes third indication information
  • the third indication information is used to indicate that the third carrier bears Control information
  • the third indication information is used to indicate that the third carrier does not carry control information.
  • the terminal device can determine which carrier carries the control information by using the aforementioned third indication information, and then monitor the carrier.
  • the terminal equipment monitors all carriers, which can reduce the complexity of the terminal equipment.
  • the second carrier and the third carrier are the same carrier, or the second carrier and the third carrier are different carriers.
  • the network device sending the first indication information to the terminal device on the first carrier includes: the network device determines the coverage level of the terminal device; when the coverage level meets a preset When conditions are met, the network device sends the first indication information to the terminal device on the first carrier.
  • the network device uses the coverage level of the terminal device to determine whether to send the first indication information to the terminal device, which can improve scheduling efficiency and avoid sending some invalid configuration information or indication information.
  • a communication device may be a terminal device, or a device in a terminal device, or a device that can be matched and used with a terminal device.
  • the device may include modules that perform one-to-one correspondence of the methods/operations/steps/actions described in the first aspect.
  • the modules may be hardware circuits, software, or hardware circuits combined with software.
  • the communication device may include a transceiver module and a processing module.
  • the transceiver module is configured to receive first indication information from the network device on the first carrier; the processing module is configured to determine the second carrier according to the first indication information.
  • the functions of the transceiver module and the processing module can be specifically described in the first aspect.
  • the device may include modules that perform one-to-one correspondence of the methods/operations/steps/actions described in the third aspect.
  • the modules may be hardware circuits, software, or hardware circuits combined with software.
  • the communication device may include a transceiver module and a processing module.
  • the transceiver module is configured to receive first indication information from the network device on the first carrier; the processing module is configured to determine N target carriers according to the first indication information.
  • the functions of the transceiver module and the processing module please refer to the third aspect.
  • a communication device may be a network device, a device in a network device, or a device that can be matched and used with a network device.
  • the device may include modules that perform one-to-one correspondence of the methods/operations/steps/actions described in the second aspect.
  • the modules may be hardware circuits, software, or hardware circuits combined with software.
  • the communication device may include a transceiver module and a processing module.
  • the processing module is used to determine the first indication information.
  • the transceiver module is configured to send the first indication information to the terminal device on the first carrier.
  • the functions of the transceiver module and the processing module please refer to the record in the second aspect.
  • the device may include modules that perform one-to-one correspondence of the methods/operations/steps/actions described in the fourth aspect.
  • the modules may be hardware circuits, software, or hardware circuits combined with software.
  • the communication device may include a transceiver module and a processing module.
  • the processing module is used to determine the first indication information; the transceiver module is used to send the first indication information to the terminal device on the first carrier.
  • the functions of the transceiver module and the processing module please refer to the second aspect. Record.
  • the embodiments of the present application also provide a computer-readable storage medium, including instructions, which when run on a computer, cause the computer to execute any possible design of the first aspect, the first aspect, the second aspect, and the first aspect. Any possible design of the second aspect, any possible design of the third aspect, any possible design of the fourth aspect, or any possible design of the fourth aspect.
  • the embodiments of the present application also provide a chip system.
  • the chip system includes a processor and may also include a memory for implementing any possible design of the first aspect, the first aspect, the second aspect, and the second aspect. Any possible design, any possible design of the third aspect, any possible design of the fourth aspect, or any possible design of the fourth aspect.
  • the chip system can be composed of chips, or can include chips and other discrete devices.
  • the embodiments of the present application also provide a computer program product, including instructions, which when run on a computer, cause the computer to execute any possible design of the first aspect, the first aspect, the second aspect, and the second aspect.
  • a computer program product including instructions, which when run on a computer, cause the computer to execute any possible design of the first aspect, the first aspect, the second aspect, and the second aspect.
  • an embodiment of the present application provides a system including the device described in the fifth aspect and the device described in the sixth aspect.
  • FIGS. 1 and 2 are schematic diagrams of a communication system provided by an embodiment of this application.
  • 3a and 3b are schematic diagrams of scenarios of a communication system provided by an embodiment of this application.
  • Figure 4 is a schematic diagram of an anchor carrier provided by an embodiment of the application.
  • FIG. 5 is a schematic diagram of NCCE provided by an embodiment of the application.
  • FIG. 6 is a schematic flowchart of a communication method provided by an embodiment of this application.
  • FIG. 7a and 7b are schematic diagrams of a second carrier provided by an embodiment of the application.
  • FIG. 8 is a schematic flowchart of a communication method provided by an embodiment of this application.
  • FIG. 9 is a schematic diagram of a second carrier provided by an embodiment of the application.
  • FIG. 10 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 11 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • the communication system 100 may include at least one network device 110.
  • the network device 110 may be a device that communicates with terminal devices, such as a base station or a base station controller. Each network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located in the coverage area (cell).
  • the network device 110 may be a global system for mobile communications (GSM) system or a base transceiver station (BTS) in code division multiple access (CDMA), or it may be a broadband code division multiple access (CDMA) base station.
  • GSM global system for mobile communications
  • BTS base transceiver station
  • CDMA code division multiple access
  • CDMA broadband code division multiple access
  • the base station (nodeB, NB) in the wideband code division multiple access (WCDMA) system can also be an evolved NodeB (eNB or eNodeB) in the LTE system, or it can be a cloud radio access network (cloud radio).
  • the wireless controller in the access network (CRAN) scenario, or the network device can be a relay station, access point, in-vehicle device, wearable device, and network device in the future 5G network, for example, in the new radio (NR)
  • the base station (gNodeB or gNB) or the transmission receiving point/transmission reception point (TRP), or the network equipment 110 may also be the network equipment in the future evolved public land mobile network (PLMN), etc.,
  • PLMN public land mobile network
  • the communication system 100 also includes one or more terminal devices 120 located within the coverage area of the network device 110.
  • the terminal device 120 may be mobile or fixed.
  • the terminal device 120 may refer to an access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, terminal, wireless communication equipment, user Agent or user device.
  • UE user equipment
  • the access terminal can be a cell phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), and wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in the future 5G network, or terminals in the future evolution of the public land mobile network (PLMN) Devices, etc., are not limited in this embodiment of the application.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the network device 110 and the terminal device 120 may transmit data through air interface resources, and the air interface resources may include at least one of time domain resources, frequency domain resources, and code domain resources.
  • the network device 110 may send control information to the terminal device 120 through a control channel, such as a physical downlink control channel (PDCCH), thereby providing the terminal device 120 with control information.
  • a control channel such as a physical downlink control channel (PDCCH)
  • Allocate data channels such as physical downlink shared channel (PDSCH) or physical uplink shared channel (physical uplink shared channel, PUSCH) resources.
  • control information may indicate the time unit and/or resource block (resource block, RB) to which the data channel is mapped, and the network device 110 and the terminal device 120 perform data transmission on the allocated time-frequency resource through the data channel.
  • the above-mentioned data transmission may include downlink data transmission and/or uplink data transmission
  • downlink data (such as data carried in PDSCH) transmission may refer to the network device 110 sending data to the terminal device 120
  • uplink data such as data carried in PUSCH
  • Data can be broad data, such as service data, or signaling data, such as system information, broadcast information, or other information.
  • FIG. 1 exemplarily shows one network device and six terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of one network device may include other numbers of terminal devices.
  • the network device 110 may directly communicate with the terminal device 120, or may indirectly communicate with the terminal device 120.
  • the terminal device 120 may be a mobile phone, a smart water cup, a smart printer, and so on.
  • the network device 110 can communicate indirectly with smart water cups and smart electronic printers through mobile phones.
  • the communication system 200 may include a first device 201 and a second device 202.
  • the first device 201 may be a network device with a relay function, or the first device 201 may be a terminal device with a relay function.
  • the second device 202 may be a network device with a relay function, or the second device 202 may be a terminal device with a relay function.
  • the first device 201 and the second device 202 can communicate through the Un interface or the Uu interface.
  • the aforementioned communication system 200 may further include a third device 203.
  • the third device 203 may be a terminal device that does not have a relay function, or the third device 203 may be a remote terminal device.
  • the second device 202 and the third device 203 can communicate through the Un interface or the PC5 interface.
  • the first device 201 may be a network device
  • the second device 202 may be a network device with a relay function
  • the third device 203 may be a terminal device.
  • the interface between the first device 201 and the second device 202 may be a Un interface
  • the interface between the second device 202 and the third device 203 may be a Uu interface.
  • the first device 201 may be a network device
  • the second device 202 may be a terminal device with a relay function
  • the third device 203 may be a terminal device.
  • the interface between the first device 201 and the second device 202 may be a Uu interface
  • the interface between the second device 202 and the third device 203 may be a PC5 interface.
  • the anchor carrier refers to the terminal equipment assuming a narrowband primary synchronization signal (narrowband primary synchronization signal).
  • narrowband primary synchronization signal narrowband primary synchronization signal
  • NSSS narrowband secondary synchronization signal
  • NPBCH narrowband physical broadcast channel
  • SIB-NB narrowband system information block
  • the anchor carrier refers to the carrier on which the terminal equipment assumes no NPSS, NSSS, NPBCH, and SIB-NB transmission.
  • anchor carrier refers to the carrier on which the terminal equipment assumes NPSS, NSSS and NPBCH transmission
  • non-anchor carrier refers to the terminal equipment assumes no NPSS , NSSS and NPBCH transmission carrier.
  • the system bandwidth of the anchor carrier may be 180 kHz, and there may be NPSS, NSSS, NPBCH, and SIB-NB transmission on the anchor carrier.
  • the frame m may include 10 subframes, and the index is 0-9.
  • Subframe 0 can be used to transmit NPBCH
  • subframe 4 can be used to transmit SIB-NB
  • subframe 5 can be used to transmit NPSS
  • subframe 9 can be used to transmit NSSS.
  • the frame m+1 may include 10 subframes, and the index is 0-9 in order.
  • Subframe 0 can be used to transmit NPBCH
  • subframe 5 can be used to transmit NPSS.
  • narrowband refers to 6 non-overlapping physical resource blocks in the frequency domain.
  • Wideband refers to 4 non-overlapping narrowbands in the frequency domain.
  • the physical resource block may occupy 12 consecutive subcarriers in the frequency domain.
  • the number of narrowbands and widebands and the indexing method can refer to the records in sections 5.2.4 and 6.2.7 of 3GPP TS 36.211, which will not be repeated here.
  • the anchor point narrowband refers to the narrowband that the terminal device assumes to have synchronization signal transmission; or the anchor point narrowband refers to the narrowband occupied by the terminal device to perform the initial connection establishment process or initiate the connection reestablishment process, or during the handover process.
  • the middle indicates the narrow band of the anchor point narrow band.
  • the non-anchor narrowband refers to the narrowband where the terminal device assumes no synchronization signal transmission; or the non-anchor narrowband refers to the narrowband that can be configured when establishing an RRC connection and can be used to provide additional wireless resources. .
  • the anchor point broadband refers to the broadband that the terminal device assumes to have synchronization signal transmission; or the anchor point broadband refers to the broadband occupied by the terminal device during the initial connection establishment process or the connection re-establishment process, or during the handover process.
  • the middle indicates the width of the anchor point.
  • non-anchor broadband refers to the broadband where the terminal device assumes no synchronization signal transmission; or non-anchor broadband refers to the broadband that can be configured when establishing an RRC connection and can be used to provide additional wireless resources .
  • the CCE can also be called a narrow control channel element (NCCE), and the NCCE can be composed of one or more resource elements (RE). Or, it can also be described as: 1 NCCE, consisting of 6 consecutive subcarriers in one subframe. For example, a subframe includes 12 subcarriers, with indexes from 0 to 11 respectively, CCE0 can occupy subcarrier 0 to subcarrier 5, and CCE1 can occupy subcarrier 6 to subcarrier 11. Or, it can be described as: since one resource block (resource block, RB) is composed of 12 consecutive subcarriers in one subframe, 2 NCCEs can form one RB.
  • resource block resource block
  • the configuration carrier is 3 RBs, each RB has a bandwidth of 180 kHz, and the 3 RBs occupy 3*180 kHz in total.
  • 6 NCCEs can be divided, with indexes from #0 to #5 in sequence. Every two NCEEs can form an RB.
  • NCCE#0 and NCCE#1 can form an RB
  • NCCE#2 and NCCE#3 can form another RB
  • NCCE#4 and NCCE#5 can form an RB, etc.
  • the narrow physical downlink control channel (narrow physical downlink control channel, NPDCCH) can support different aggregation levels (AL).
  • the aggregation levels supported by NPDCCH may include ⁇ 0, 1, 2 ⁇ , etc.
  • the NPDCCH is composed of 1 NCCE.
  • the NPDCCH is combined by 2 NCCEs.
  • NPDCCH is composed of 3 NCCEs. It can be understood that the description in the above Table 1 is only an example and is not meant to limit the application.
  • the aggregation level is 2, the NPDCCH can also be composed of 4, 5, or 6 NCCEs.
  • the network device can determine the current aggregation level used by the NPDCCH according to factors such as channel quality. For example, if the NPDCCH is sent to a terminal device with good downlink channel quality (for example, a terminal device in the center of a cell), the network device can use 1 NCCE to send the NPDCCH; if the NPDCCH is sent to a downlink channel with poor quality For a terminal device (for example, a terminal device located at the edge of a cell), the network device can use 6 NCCEs to send the NPDCCH to achieve sufficient robustness.
  • a terminal device with good downlink channel quality for example, a terminal device in the center of a cell
  • the network device can use 1 NCCE to send the NPDCCH
  • a terminal device for example, a terminal device located at the edge of a cell
  • 6 NCCEs to send the NPDCCH to achieve sufficient robustness.
  • the coverage level is also called coverage enhancement level, enhanced coverage level, repetition level or number of repetitions, etc.
  • the coverage levels are coverage level 0, coverage level 1, and coverage level 2.
  • the mapping between random access resources and NPRACH coverage level increases with the number of NPRACH repetitions.
  • the number of repetitions of NPRACH can be configured by the network device.
  • the network device can configure the number of repetitions of NPRACH for the terminal device through the number of repetitions of random access (num Repetitions Per Preamble Attempt) parameter.
  • the coverage level in the embodiments of the present application may refer to the NPRACH coverage level when the terminal device succeeds in random access. Or, it may refer to the NPRACH coverage level when the terminal device starts the random access process. Alternatively, it may refer to the NPRACH coverage level that is closest in time to the first indication information sent by the network device and the random access procedure is successful.
  • the first indication information refer to the description in the process shown in FIG. 6 or FIG. 8 below.
  • one RU includes in the frequency domain Subcarriers, including in the time domain Time slots, each time slot includes Symbols.
  • the number of subcarriers and the number of time slots included in each RU are related to the format of the narrow physical uplink shared channel (NPUSCH) and the subcarrier bandwidth. For example, as shown in Table 2, when NPUSCH adopts format 1, and the subcarrier bandwidth is 3.75KHz, one RU includes 1 subcarrier in the frequency domain and 16 time slots in the time domain, and each time slot includes 7 Symbols. When NPUSCH adopts format 2 and the subcarrier bandwidth is 3.75KHz, one RU includes 1 subcarrier in the frequency domain, 4 time slots in the time domain, and 7 symbols in each time slot.
  • NPUSCH narrow physical uplink shared channel
  • transmission involved in this application may include the sending and/or receiving of service data, and/or the sending and/or receiving of signaling data.
  • Words such as “first” and “second” are only used for the purpose of distinguishing description, and cannot be understood as indicating or implying relative importance, nor as indicating or implying order.
  • the network device in the flow may be the network device 110 in the flow shown in FIG. 1, and the terminal device may be the terminal device 120 in the flow shown in FIG. .
  • the network device in the process may be the first device 201 in the process shown in FIG. 2 above, and the terminal device may be the second device 202 in the process shown in FIG. 2 above.
  • the network device in the process may be the second device 202 in the process shown in FIG. 2 above, and the terminal device may be the third device 203 in the process shown in FIG. 2 and so on.
  • This process can include:
  • the network device sends first indication information to the terminal device on the first carrier.
  • the terminal device may determine the second carrier according to the first indication information, the bandwidth of the second carrier may be greater than the bandwidth of the first carrier, and the maximum CCE aggregation level supported by the second carrier may be greater than the maximum supported by the first carrier CCE aggregation level.
  • the process shown in FIG. 6 may further include: S600.
  • the network device determines the first indication information.
  • the first indication information may include frequency information of the second carrier and bandwidth information of the second carrier.
  • the frequency point information of the second carrier may be an absolute radio frequency channel number (ARFCN) of the second carrier.
  • ARFCN absolute radio frequency channel number
  • the frequency point information of the second carrier may be the offset of the ARFCN of the second carrier relative to an absolute radio frequency channel number (E-UTRA absolute radio frequency channel number, EARFCN).
  • the bandwidth information of the second carrier may include the number of RBs occupied by the second carrier.
  • the first indication information may include the first offset and bandwidth information of the second carrier.
  • bandwidth information of the second carrier refer to the above record.
  • first offset see the following introduction.
  • the first offset may be determined according to the first carrier.
  • the first offset may be the offset of the carrier center of the second carrier relative to the carrier center of the first carrier, or the first offset may be the low frequency boundary of the second carrier relative to the carrier center of the first carrier.
  • the first offset may be the offset of the high frequency boundary of the second carrier relative to the carrier center of the first carrier, or the second carrier includes one or more subcarriers, and the first offset
  • the setting may be the offset of the subcarrier center of the lowest frequency subcarrier in the second carrier relative to the carrier center of the first carrier, or the first offset may be the highest frequency subcarrier in the second carrier The offset of the center of the subcarrier relative to the center of the first subcarrier.
  • the first offset may be determined according to the anchor point carrier.
  • the first offset may be the offset of the carrier center of the second carrier relative to the carrier center of the anchor carrier, or the first offset may be the low frequency boundary of the second carrier relative to the carrier center of the anchor carrier.
  • the first offset may be the offset of the high frequency boundary of the second carrier relative to the carrier center of the anchor carrier, or the second carrier includes one or more subcarriers, and the first offset
  • the setting may be the offset of the subcarrier center of the lowest frequency subcarrier in the second carrier relative to the carrier center of the anchor carrier, or the first offset may be the highest frequency subcarrier in the second carrier The offset of the center of the subcarrier relative to the center of the first subcarrier.
  • the first offset may be determined according to the reference frequency point.
  • the first offset may be the offset of the carrier center of the second carrier relative to the carrier center of the reference frequency, or the first offset may be the carrier center of the low-frequency boundary of the second carrier relative to the reference frequency.
  • the first offset may be the offset of the high-frequency boundary of the second carrier relative to the carrier center of the reference frequency point, or the second carrier includes one or more subcarriers, and the first offset
  • the setting may be the offset of the subcarrier center of the lowest frequency subcarrier in the second carrier relative to the carrier center of the reference frequency point, or the first offset may be the highest frequency subcarrier in the second carrier The offset of the center of the subcarrier relative to the center of the first subcarrier.
  • the first carrier in the embodiment of the present application may be an anchor carrier or a non-anchor carrier, the first carrier may be a downlink carrier or an uplink carrier, and the first carrier may be an anchor narrowband or a non-anchor narrowband, Alternatively, the first carrier may be anchor broadband or non-anchor broadband.
  • the second carrier can be an anchor carrier or a non-anchor carrier, the second carrier can be an uplink carrier or a downlink carrier, the second carrier can be an anchor narrowband or a non-anchor narrowband, or the second carrier can be an anchor broadband or Non-anchor broadband.
  • the subcarrier spacing of the first carrier and the subcarrier spacing of the second carrier may be the same, or the subcarrier spacing of the first carrier and the subcarrier spacing of the second carrier may be different, for example, the subcarrier spacing of the first carrier is 15kHz, The subcarrier spacing of the two carriers is 30kHz.
  • the second carrier may not include the first carrier.
  • the bandwidth of the first carrier is 180 kHz
  • the bandwidth of the second carrier is 360 kHz
  • the second carrier does not include the first carrier.
  • the network device may send first indication information on the first carrier, where the first indication information is used to configure the second carrier.
  • the network device may send downlink control information (down control information, DCI) on the second carrier, and the DCI may schedule the terminal device to receive the NPDSCH on the second carrier.
  • DCI downlink control information
  • the DCI may schedule the terminal device to receive the NPDSCH on other carriers except the second carrier, etc., which is not limited in the embodiment of the present application.
  • the bandwidth of the NPDSCH can be 360kHz.
  • the bandwidth of the NPDSCH may be less than 360kHz and so on.
  • the embodiments of this application are not limited.
  • the DCI scheduling terminal device receives the NPDSCH on the second carrier, and the bandwidth of the NPDSCH is 360 kHz as an example for description.
  • the second carrier may include the first carrier.
  • the bandwidth of the first carrier is 180 kHz
  • the bandwidth of the second carrier is 540 kHz
  • the second carrier includes the first carrier.
  • the network device may send first indication information on the first carrier, where the first indication information is used to configure the second carrier.
  • the network device may send the DCI on the second carrier, and the DCI may schedule the terminal device to receive the NPDSCH on the second carrier.
  • the DCI may schedule the terminal device to receive the NPDSCH on other carriers except the second carrier, which is not limited in this embodiment of the application.
  • the bandwidth of the NPDSCH may be 540kHz, or the bandwidth of the NPDSCH may be less than 540kHz, etc.
  • the embodiments of this application are not limited.
  • the DCI scheduling terminal device receives the NPDSCH on the second carrier, and the bandwidth of the NPDSCH is 540 kHz as an example for description.
  • the number of REs included in one CCE in the second carrier is the same as the number of REs included in one CCE in the first carrier.
  • a CCE may include a first number of REs
  • a CCE may include a second number of REs
  • the first number is the same as the second number .
  • the number of frequency units included in the frequency domain of a CCE in the second carrier is the same as the number of frequency domain units included in the frequency domain of a CCE in the first carrier, and a CCE in the second carrier is in the time domain
  • the number of time units included in the above is the same as the number of time units included in the time domain of one CCE in the first carrier.
  • the frequency unit may include subcarriers, resource blocks RB, and so on.
  • the time unit may include a frame, a subframe, a time slot, or a symbol, etc.
  • the number of frequency units included in the frequency domain of a CCE in the second carrier is the same as the number of frequency domain units included in the frequency domain of a CCE in the first carrier.
  • the number of time units included in the time domain of a CCE in the first carrier is different from the number of time units included in the time domain of a CCE in the first carrier, or the number of time units included in the time domain of a CCE in the second carrier is different from the first
  • One CCE in the carrier includes the same number of time units in the time domain, and the number of frequency units included in the frequency domain of one CCE in the second carrier is different from the number of frequency domain units included in the frequency domain of one CCE in the first carrier.
  • the network device sends the first DCI to the terminal device on the second carrier
  • the format of the first DCI may be format N0, format N1, and format 6. -0A, format 6-0B, format 6-1A or format 6-1B, etc.
  • the first DCI is used to schedule a terminal device to send uplink data, or the first DCI is used to schedule a terminal device to receive downlink data.
  • the terminal device may determine the first time-frequency domain resource according to the first DCI, and perform data transmission with the network device according to the first time-frequency domain resource.
  • the terminal device may send the uplink data to the network device according to the first time-frequency domain resource.
  • the terminal device may receive the downlink data sent by the network device according to the first time-frequency domain resource.
  • the first DCI may include a first resource allocation domain and a second resource allocation domain.
  • the foregoing first time-frequency domain resource may include a first frequency domain resource and a first time domain resource.
  • the first resource allocation domain may indicate the first frequency domain resource, and the second resource allocation domain and the first frequency domain resource may jointly indicate the first time domain resource.
  • the process for the terminal device to determine the first time-frequency domain resource according to the first DCI may be as follows:
  • the terminal device determines the first frequency domain resource according to the first resource allocation domain. Determine the first time domain resource according to the second resource allocation domain and the first frequency domain resource. Finally, according to the first frequency domain resource and the first time domain resource, the first time-frequency domain resource is determined. For example, in this embodiment of the application, the number of frequency domain resources indicated by the first resource allocation field is A, and the number indicated by the second resource allocation field is A*B, then the terminal device can determine that it is used to transmit downlink data or uplink data The number of frequency domain resources is A, that is, the number of the first frequency domain resources is A. The terminal device may determine that the number of time domain resources used to transmit downlink data or uplink data is B, that is, the number of first time domain resources described above is B.
  • the second resource allocation field in the first DCI can carry I SF .
  • the terminal device can determine the number N SF indicated by the second resource allocation field (that is, the number of A*B in the above example). For example, as shown in Table 3, when the value of I SF is 5, it can be determined that the number indicated by the second resource allocation field is 6, that is, the value of A*B is 6.
  • the second resource allocation field in the first DCI may carry I RU .
  • the terminal device may determine the number N RU indicated by the second resource allocation field (that is, the number of A*B in the above example). For example, as shown in Table 4, when the value of I RU is 6, it can be determined that the number indicated by the second resource allocation field is 8, that is, the number of A*B mentioned above is 8.
  • the first DCI may include a resource allocation domain and a frequency domain resource allocation domain.
  • the frequency domain resource allocation domain may correspond to the aforementioned first resource allocation domain
  • the resource allocation domain may correspond to the aforementioned second resource allocation domain.
  • the above-mentioned first frequency domain resource may specifically refer to the number of RBs mapped by a transport block (TB).
  • the above-mentioned first time domain resource may specifically refer to the number of subframes mapped by a transmission block.
  • the aforementioned first time domain resource may specifically refer to the number of resource units RU mapped to a transmission block.
  • the resource unit RU please refer to the record of the resource unit part in the eighth part of the above explanation of terms.
  • the network device determines the coverage level of the terminal device. When the coverage level of the terminal device meets a preset condition, the network device executes S601. Otherwise, the network device does not perform S601.
  • the terminal device may measure the first reference signal received power (reference signal received power, RSRP).
  • the terminal device determines the coverage level according to the first RSRP and the second RSRP.
  • the second RSRP may be an RSRP threshold configured by the network device.
  • the network device determines the coverage level of the terminal device, and determines whether the coverage level of the terminal device meets a preset condition. If the preset condition is met, the network device sends the aforementioned first indication information to the terminal device, which is the configuration of the terminal device The second carrier. Otherwise, the network device does not send the aforementioned first indication information to the terminal device, that is, the terminal device is not configured with the second carrier.
  • the preset condition may be: if the coverage level of the terminal device is equal to coverage level 0 or equal to coverage level 1, then the coverage level of the terminal device may be considered to meet the condition, otherwise the coverage level of the terminal device may be considered to not meet the condition.
  • a network device can use the following methods to determine the coverage level of a terminal device:
  • the first method the terminal device sends a first message to the network device, the first message is used to indicate the coverage level of the terminal device, the network device receives the first message sent by the terminal device, and determines the coverage level of the terminal device according to the first message .
  • the second method the terminal device determines the first random access resource, and successfully executes the random access process on the first random access resource.
  • the network device may further determine the first random access resource corresponding to the random access process. Since each random access resource corresponds to a coverage level, the network device can determine the coverage level of the terminal device according to the first random access resource.
  • first indication information and the first message in the embodiment of the present application may be carried in the same or different messages, or sent separately, etc., which are not limited in the embodiment of the present application.
  • the above-mentioned first indication information and first message, etc. may be through radio resource control (radio resource control, RRC) messages, or media access control (media access control, MAC) control elements (CE), or system Messages, or physical layer signaling, or downlink control information (DCI), or paging (paging) messages are carried and sent.
  • RRC radio resource control
  • media access control media access control
  • CE media access control elements
  • system Messages or physical layer signaling
  • DCI downlink control information
  • paging paging
  • the network device in the flow may be the network device 110 in the flow shown in FIG. 1, and the terminal device may be the terminal device in the flow shown in FIG. 120.
  • the network device in the process may be the first device 201 in the process shown in FIG. 2 and the terminal device may be the second device 202 in the process shown in FIG. 2.
  • the network device in the process may be the second device 202 in the process shown in FIG. 2 and the terminal device may be the third device 203 in the process shown in FIG. 2 and so on.
  • the process can include:
  • the network device sends first indication information to the terminal device on the first carrier.
  • the first carrier may be an anchor carrier or a non-anchor carrier.
  • the terminal device determines N target carriers according to the first indication information, the bandwidth of each target carrier in the N target carriers is less than or equal to the bandwidth of the first carrier, and the sum of the bandwidths of the N target carriers is greater than all
  • N is a positive integer greater than 1.
  • the network device may further include: S800.
  • the network device determines the first indication information.
  • the first indication information may include configuration information of each target carrier in the N target carriers.
  • the i is a positive integer greater than or equal to 1 and less than or equal to N
  • the configuration information of the i-th target carrier may include frequency information of the i-th target carrier.
  • the frequency information of the i-th target carrier may be the ARFCN of the i-th target carrier.
  • the frequency information of the i-th target carrier may be the offset of the ARFCN of the i-th target carrier relative to the EARFCN.
  • the configuration information of the i-th target carrier may also include bitmap indication information, one or more of the configuration information of the downlink interval gap or the inband carrier.
  • the bitmap indication information may specifically indicate the configuration information of the NB-IoT downlink subframe (downlink subframe).
  • the configuration information of the carrier in the bandwidth may include the same PCI indication information, the size of the E-UTRA cell control area, and the power offset relative to the anchor carrier NRS. Wherein, when the same PCI indication information indicates same PCI, the size of the E-UTRA cell control area is used to indicate the offset from the middle of the E-UTRA system.
  • the size of the E-UTRA cell control area is used to indicate the number of antenna ports of the E-UTRA CRS.
  • the unit of the size of the E-UTRA cell control area may be the number of OFDM symbols.
  • the configuration information of the i-th target carrier may further include second indication information, and the second indication information may indicate that the i-th target carrier supports cross-carrier scheduling.
  • the second indication information may indicate that the i-th target carrier does not support cross-carrier scheduling. For example, when the second indication information is 1, it may indicate that the i-th target carrier supports cross-carrier scheduling. When the second indication information is 0, it may indicate that the i-th target carrier does not support cross-carrier scheduling.
  • the configuration information of the i-th target carrier may further include third indication information, and the third indication information may indicate the i-th target carrier carrying control information, or the third indication information may indicate the i-th target carrier.
  • Each target carrier does not carry control information.
  • the third indication information is 1, it may indicate that the control information is carried on the i-th target carrier.
  • the third indication information is 0, it may indicate that no control information is carried on the i-th target carrier.
  • whether control information is carried on the i-th target carrier can also be described as: whether there is a control resource set, search space, or control channel on the i-th target carrier.
  • the terminal device can determine which carrier carries the control information by using the aforementioned third indication information, and then monitor the carrier. In contrast, the terminal equipment monitors all carriers, which can reduce the complexity of the terminal equipment.
  • the first carrier in the embodiment of the present application may be an anchor carrier or a non-anchor carrier
  • the first carrier may be a downlink carrier or an uplink carrier
  • the first carrier may be an anchor narrowband or a non-anchor narrowband
  • the first carrier may be anchor broadband or non-anchor broadband.
  • the N target carriers may be anchor carriers or non-anchor carriers, and N target carriers.
  • the N target carriers may be anchor narrowband or non-anchor narrowband, or the N target carriers may be anchor broadband or non-anchor broadband.
  • the subcarrier spacing of the first carrier and the subcarrier spacing of the N target carriers may be the same, or the subcarrier spacing of the first carrier and the subcarrier spacing of the N target carriers may be different, for example, the subcarrier spacing of the first carrier is 15kHz , The sub-carrier spacing of N target carriers is 30kHz.
  • the N target carriers may include the second carrier and the third carrier.
  • the bandwidth of the first carrier may be 180 kHz, and the bandwidth of the second carrier and the third carrier may be the same as the bandwidth of the first carrier, both being 180 kHz.
  • the first carrier may also be narrowband or broadband
  • the second carrier and the third carrier may also be narrowband or broadband
  • the bandwidth of the second carrier and the third carrier may be the same as the bandwidth of the first carrier, where the narrowband and Broadband can refer to the record of the narrowband and broadband part of the second part of the above explanation of terms.
  • the network device may send the first indication information to the terminal device on the first carrier.
  • the first indication information is used to configure the second carrier and the third carrier.
  • the network device may send DCI#1 and DCI#2 on the second carrier. DCI#1 schedules the terminal device to receive NPDSCH#1 on the second carrier, and DCI#2 schedules the terminal device to receive NPDSCH#2 on the third carrier.
  • it may further include: the network device determines the coverage level of the terminal device; when the coverage level meets a preset condition, the network device executes the steps shown in S801, Otherwise, the network device does not perform the steps shown in S801.
  • the network device determines the coverage level of the terminal device and the preset conditions of the coverage level, refer to the record in the flow shown in FIG. 6 above, which will not be described here.
  • first indication information, the second indication information, and/or the third indication information in the embodiments of this application can be sent separately, or carried in the same or different messages for sending.
  • the embodiments of this application are not specific. limited.
  • the above-mentioned first indication information, second indication information and/or third indication information may be through radio resource control (radio resource control, RRC) messages, or media access control (media access control, MAC) control elements (control element, CE), or system message or physical layer signaling, or downlink control information (DCI), or paging (paging) message.
  • first indication information, the second indication information, and the third indication information in the embodiment of the present application may be carried in the same message.
  • the first indication information and the second indication information may be carried in the same message, or the first indication information and the third indication information may be carried in the same message, or the second indication information and the third indication information may be carried in the same message.
  • the same message is carried, or the first indication information, the second indication information, and the third indication information may all be carried in the same message.
  • the methods provided in the embodiments of the present application are introduced from the perspectives of network equipment, terminal, interaction between network equipment and terminal, and interaction between terminal and terminal.
  • the network equipment and the terminal may include hardware structures and/or software modules, and the above functions are realized in the form of hardware structures, software modules, or hardware structures plus software modules. Whether a certain function of the above-mentioned functions is executed in a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraint conditions of the technical solution.
  • an apparatus 1000 which includes a transceiver module 1001 and a processing module 1002.
  • the device 1000 is used to implement the function of the terminal device in the foregoing method, and the device may be a terminal device or a device in a terminal device.
  • the device may be a chip system.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • the transceiver module 1001 is configured to receive first indication information from a network device on the first carrier; the processing module 1002 is configured to determine a second carrier according to the first indication information, and the bandwidth of the second carrier is greater than all For the bandwidth of the first carrier, the maximum control channel element CCE aggregation level supported by the second carrier is greater than the maximum CCE aggregation level supported by the first carrier or the anchor carrier.
  • the specific execution process of the processing module 1002 and the transceiver module 1001 please refer to the record on the terminal device side in the foregoing method embodiment, which will not be described here.
  • the device 1000 is used to implement the function of the network device in the above method, and the device may be a network device or a device in a network device. Among them, the device may be a chip system.
  • the processing module 1002 is configured to determine the first indication information.
  • the transceiver module 1001 is configured to send first indication information to a terminal device on a first carrier, where the first indication information is used to determine a second carrier, and the bandwidth of the second carrier is greater than the bandwidth of the first carrier,
  • the maximum CCE aggregation level of control channel elements supported by the second carrier is greater than the maximum CCE aggregation level supported by the first carrier or anchor carrier.
  • the specific execution process of the processing module 1002 and the transceiver module 1001 please refer to the record on the network device side in the foregoing method embodiment, which will not be described here.
  • the division of modules in the embodiments of the present application is illustrative, and is only a logical function division. In actual implementation, there may be other division methods.
  • the functional modules in the various embodiments of the present application may be integrated into one process. In the device or module, it can also exist alone physically, or two or more modules can be integrated into one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software functional modules.
  • an embodiment of the present application further provides an apparatus 1100.
  • the device 1100 is used to implement the function of the terminal device in the foregoing method.
  • the device may be a terminal device or a device in a terminal device.
  • the apparatus 1100 includes at least one processor 1101, configured to implement the function of the terminal device in the foregoing method.
  • the processor 1101 may determine the second carrier according to the first indication information.
  • the device 1100 may further include at least one memory 1102 for storing program instructions and/or data.
  • the memory 1102 and the processor 1101 are coupled.
  • the coupling in the embodiments of the present application is an interval coupling or a communication connection between devices, units or modules, and may be in electrical, mechanical or other forms, and is used for information exchange between devices, units or modules.
  • the processor 1101 may operate in cooperation with the memory 1102.
  • the processor 1101 may execute program instructions stored in the memory 1102. At least one of the at least one memory may be included in the processor.
  • the apparatus 1100 may further include a communication interface 1103 for communicating with other devices through a transmission medium, so that the apparatus used in the apparatus 1100 can communicate with other devices.
  • the communication interface 1103 may be a transceiver, a circuit, a bus, a module, a pin, or another type of communication interface, and the other device may be a network device.
  • the processor 1101 uses the communication interface 1103 to send and receive data, and is used to implement the method in the foregoing embodiment.
  • the specific working process of the processor 1101 and the communication interface 1103 refer to the introduction on the terminal device side in the foregoing method embodiment, which will not be described here.
  • the device 1100 is used to implement the function of the network device in the above method, and the device may be a network device or a device in a network device.
  • the apparatus 1100 includes at least one processor 1101, configured to implement the function of the network device in the foregoing method.
  • the processor 1101 may determine the first indication information.
  • the device 1100 may also include a memory 1102 for storing program instructions and/or data.
  • the memory 1102 and the processor 1101 are coupled.
  • the coupling in the embodiments of the present application is an interval coupling or a communication connection between devices, units or modules, and may be in telecommunication, mechanical or other forms, and is used for information exchange between devices, units or modules.
  • the processor 1101 may cooperate with the memory 1102 to operate.
  • the processor 1101 may execute program instructions stored in the memory 1102. At least one of the at least one memory may be included in the processor.
  • the apparatus 1100 may further include a communication interface 1103 for communicating with other devices through a transmission medium, so that the apparatus used in the apparatus 1100 can communicate with other devices.
  • the communication interface 1103 may be a transceiver, circuit, bus, module, pin, or other type of communication interface, and the other device may be a terminal device.
  • the processor 1101 uses the communication interface 1103 to send and receive data, and is used to implement the method in the foregoing embodiment.
  • the specific working process of the processor 1101 and the communication interface 1103 refer to the introduction on the network device side in the foregoing method embodiment, which is not described here.
  • the embodiment of the present application does not limit the connection medium between the foregoing communication interface 1103, the processor 1101, and the memory 1102.
  • the memory 1102, the processor 1101, and the communication interface 1103 are connected by a bus 1104 in FIG. 11.
  • the bus is represented by a thick line in FIG. 11, and the connection mode between other components is only for schematic illustration. , Is not limited.
  • the bus can be divided into address bus, data bus, control bus, etc. For ease of representation, only one thick line is used to represent in FIG. 11, but it does not mean that there is only one bus or one type of bus.
  • the processor may be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, and may be implemented or Perform the methods, steps, and logic block diagrams disclosed in the embodiments of this application.
  • the general-purpose processor may be a microprocessor or any conventional processor. The steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware processor, or executed and completed by a combination of hardware and software modules in the processor.
  • the memory may be a non-volatile memory, such as a hard disk drive (HDD) or a solid-state drive (SSD), etc., or a volatile memory (volatile memory), for example Random-access memory (random-access memory, RAM).
  • the memory is any other medium that can be used to carry or store desired program codes in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto.
  • the memory in the embodiment of the present application may also be a circuit or any other device capable of realizing a storage function for storing program instructions and/or data.
  • the methods provided in the embodiments of the present application may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software When implemented by software, it can be implemented in the form of a computer program product in whole or in part.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a dedicated computer, a computer network, network equipment, user equipment, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website, computer, server, or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a digital video disc (digital video disc, DVD for short)), or a semiconductor medium (for example, SSD).
  • the embodiments can be mutually cited.
  • methods and/or terms between method embodiments can be mutually cited, such as functions and/or functions between device embodiments.
  • Or terms may refer to each other, for example, functions and/or terms between the device embodiment and the method embodiment may refer to each other.
  • At least one refers to one or more, and “multiple” refers to two or more.
  • And/or describes the association relationship of the associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, and B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the associated objects are in an “or” relationship.
  • "The following at least one item (a)” or similar expressions refers to any combination of these items, including any combination of a single item (a) or plural items (a).
  • At least one of a, b, or c can mean: a, b, c, a and b, a and c, b and c, or a and b and c, where a, b, c can be single or multiple.

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  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un appareil de communication et un support de données lisible par ordinateur. Ledit procédé comprend les étapes suivantes : un dispositif réseau envoie, au moyen d'une première porteuse, des premières informations d'indication à un dispositif terminal, le dispositif terminal reçoit, sur la première porteuse, les premières informations d'indication provenant du dispositif réseau ; et le dispositif terminal détermine une seconde porteuse en fonction des premières informations d'indication, la largeur de bande de la seconde porteuse étant supérieure à la largeur de bande de la première porteuse, et le niveau d'agrégation d'élément de canal de commande (CCE) maximal supporté par la seconde porteuse étant supérieur au niveau d'agrégation de CCE maximal supporté par la première porteuse ou une porteuse d'ancrage. Selon le procédé et l'appareil fournis, dans le cas d'une petite largeur de bande de fonctionnement, un dispositif terminal peut être configuré avec une grande largeur de bande de fonctionnement, de façon à prendre en charge une application d'Internet des objets à vitesse moyenne à élevée, tandis que dans le cas d'une grande largeur de bande de fonctionnement, un plus grand niveau d'agrégation de CCE est utilisé, de telle sorte que davantage d'informations de commande de liaison descendante peuvent être transportées sur la grande largeur de bande de fonctionnement, améliorant l'efficacité de planification et la flexibilité de planification, et améliorant le taux d'utilisation des ressources.
PCT/CN2019/088671 2019-05-27 2019-05-27 Procédé et appareil de communication et support de données lisible par ordinateur WO2020237489A1 (fr)

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CN201980091781.0A CN113424618B (zh) 2019-05-27 2019-05-27 一种通信方法、装置及计算机可读存储介质

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WO2023030443A1 (fr) * 2021-09-06 2023-03-09 华为技术有限公司 Procédé de communication sans fil et appareil de communication
WO2023093521A1 (fr) * 2021-11-24 2023-06-01 华为技术有限公司 Procédé et appareil de réception d'informations ainsi que procédé et appareil d'envoi d'informations
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WO2024037455A1 (fr) * 2022-08-16 2024-02-22 华为技术有限公司 Procédé et appareil de détermination d'unité de ressource

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WO2024037455A1 (fr) * 2022-08-16 2024-02-22 华为技术有限公司 Procédé et appareil de détermination d'unité de ressource

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