WO2019157903A1 - Procédé et dispositif de configuration de ressources - Google Patents

Procédé et dispositif de configuration de ressources Download PDF

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Publication number
WO2019157903A1
WO2019157903A1 PCT/CN2019/072311 CN2019072311W WO2019157903A1 WO 2019157903 A1 WO2019157903 A1 WO 2019157903A1 CN 2019072311 W CN2019072311 W CN 2019072311W WO 2019157903 A1 WO2019157903 A1 WO 2019157903A1
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WIPO (PCT)
Prior art keywords
information
channel
mapped
subframe
iot system
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PCT/CN2019/072311
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English (en)
Chinese (zh)
Inventor
刘哲
周国华
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华为技术有限公司
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Publication of WO2019157903A1 publication Critical patent/WO2019157903A1/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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • 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
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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

Definitions

  • the present application relates to the field of communications technologies, and in particular, to a resource configuration method and apparatus.
  • the carrier resources of the communication system can be shared.
  • the NR system and the long term evolution (LTE) system can share the resources of the carrier of the LTE system, that is, on the same time-frequency resource, the NR system can occupy the unused LTE system.
  • the resource of the carrier for example, the NR system occupies a resource block (RB) or a resource element (RE) in a certain carrier that is not used by the LTE system for transmission.
  • 5G can also be called new radio (NR).
  • the carrier of the IoT system may be deployed on the carrier resources of the LTE system, for example, a carrier of a narrow band internet over device (NB-IoT) system is deployed. Therefore, when the NR system occupies the resources of the carrier that is not used by the LTE system, the resources occupied by the Internet of Things system need to be reserved, but the terminal equipment of the NR system does not know the resources reserved by the NR system for the Internet of Things system. Therefore, when a plurality of communication systems share carrier resources, the terminal device of the NR system cannot determine the carrier resources that the terminal device can use.
  • NB-IoT narrow band internet over device
  • the embodiment of the present application provides a resource configuration method and apparatus, which are used to indicate resources configured for a terminal device when multiple communication systems share carrier resources.
  • the embodiment of the present application provides a resource configuration method, including: determining a frequency domain location of M subcarriers to which a narrowband Internet of Things NB-IoT system is mapped, and transmitting first information, where the first information is used to determine the The frequency domain position of N subcarriers among M subcarriers, M and N are positive integers, and M is greater than or equal to N.
  • the first information is further used to indicate first time domain information to which a channel in the NB-IoT system is mapped, where the first time domain information is used to determine a first part of the channel.
  • the information of the subframe to which the first part of the channel includes the synchronization channel and the broadcast channel in the channel in the NB-IoT system.
  • the first information is further used to indicate second time domain information to which a channel in the NB-IoT system is mapped, and the second time domain information is used to determine a second part.
  • Information of a symbol to which a channel is mapped in a subframe wherein the subframe is a subframe to which the second partial channel is mapped, and the second partial channel includes a channel in the NB-IoT system Other channels than the sync channel and the broadcast channel.
  • the first information is further used to indicate information of at least one resource element RE, and the at least one RE is used to carry a narrowband reference signal NRS of the NB-IoT system
  • the method further The method includes: transmitting second information, where the second information is used to indicate that a frequency domain resource mapped by a channel of the NB-IoT system is determined in units of subcarriers in one time unit, or is used to indicate that in the one Determining frequency domain resources mapped by the channel of the NB-IoT system in units of REs in a time unit;
  • the time unit is a subframe or a time slot or a micro time slot.
  • the second information is downlink control information DCI.
  • the embodiment of the present application provides a resource configuration method, where the method includes: determining first time domain information to which a channel in a narrowband Internet of Things NB-IoT system is mapped, where the first time domain information is used to determine Information about a subframe to which a part of the channel is mapped, the first partial channel including a synchronization channel and a broadcast channel in a channel in the NB-IoT system, and transmitting first information, where the first information is used to indicate the One-time domain information.
  • the first information is further used to determine a frequency domain location of the N subcarriers, where the N subcarriers are N subcarriers of the M subcarriers to which the NB-IoT system is mapped.
  • M, N are positive integers, and M is greater than or equal to N.
  • the first information is further used to indicate second time domain information to which a channel in the NB-IoT system is mapped, and the second time domain information is used to determine a second part.
  • the first information is further used to indicate information of at least one resource element RE, and the at least one RE is used to carry a narrowband reference signal NRS of the NB-IoT system
  • the method further The method includes: transmitting second information, where the second information is used to indicate that a frequency domain resource mapped by a channel of the NB-IoT system is determined in units of subcarriers in one time unit, or is used to indicate that in the one Determining frequency domain resources mapped by the channel of the NB-IoT system in units of REs in a time unit;
  • the time unit is a subframe or a time slot or a micro time slot.
  • the second information is downlink control information DCI.
  • an embodiment of the present application provides a resource configuration method, where the method includes: determining first time domain information to which a channel in a narrowband Internet of Things NB-IoT system is mapped, where the first time domain information is used to determine a piece of information of a symbol to which a channel is mapped in a subframe, wherein the subframe is a subframe to which the first partial channel is mapped, and the first partial channel includes a channel in a channel in the NB-IoT system
  • the first information is transmitted by using a channel other than the synchronization channel and the broadcast channel, and the first information is used to indicate the first time domain information.
  • the first information is further used to determine a frequency domain location of the N subcarriers, where the N subcarriers are N subcarriers of the M subcarriers to which the NB-IoT system is mapped.
  • M, N are positive integers, and M is greater than or equal to N.
  • the first information is further used to indicate second time domain information to which a channel in the NB-IoT system is mapped, and the second time domain information is used to determine a second part.
  • the first information is further used to indicate information of at least one resource element RE, and the at least one RE is used to carry a narrowband reference signal NRS of the NB-IoT system
  • the method further The method includes: transmitting second information, where the second information is used to indicate that a frequency domain resource mapped by a channel of the NB-IoT system is determined in units of subcarriers in one time unit, or is used to indicate that in the one Determining frequency domain resources mapped by the channel of the NB-IoT system in units of REs in a time unit;
  • the time unit is a subframe or a time slot or a micro time slot.
  • the second information is downlink control information DCI.
  • the embodiment of the present application provides a resource configuration method, where the method includes: receiving first information, where the first information is used to determine a frequency domain location of N subcarriers among M subcarriers, where the M The subcarriers are the subcarriers to which the narrowband IoT NB-IoT system is mapped, and M and N are positive integers, and M is greater than or equal to N; and the frequency domain locations of the M subcarriers are determined according to the first information.
  • the first information is further used to indicate first time domain information to which a channel in the NB-IoT system is mapped, where the first time domain information is used to determine a first part of the channel.
  • the information of the subframe to which the first part of the channel includes the synchronization channel and the broadcast channel in the channel in the NB-IoT system.
  • the first information is further used to indicate second time domain information to which a channel in the NB-IoT system is mapped, and the second time domain information is used to determine a second part.
  • the first information is further used to indicate information of at least one resource element RE, and the at least one RE is used to carry a narrowband reference signal NRS of the NB-IoT system, where the method further include:
  • the second information is used to indicate that the frequency domain resource mapped by the channel of the NB-IoT system is determined in units of subcarriers in one time unit, or is used to indicate that in the one time unit Determining, in units of REs, frequency domain resources mapped by channels of the NB-IoT system;
  • the time unit is a subframe or a time slot or a micro time slot.
  • the second information is downlink control information DCI.
  • an embodiment of the present application provides a resource configuration method, where the method includes: receiving first information, where the first information is used to determine a first map to which a channel in a narrowband Internet of Things NB-IoT system is mapped Time domain information, the first time domain information is used to determine information of a subframe to which the first partial channel is mapped, and the first partial channel includes a synchronization channel and a broadcast channel in a channel in the NB-IoT system, according to A piece of information determines the first time domain information.
  • the first information is further used to determine a frequency domain location of the N subcarriers, where the N subcarriers are N subcarriers of the M subcarriers to which the NB-IoT system is mapped.
  • M, N are positive integers, and M is greater than or equal to N.
  • the first information is further used to indicate second time domain information to which a channel in the NB-IoT system is mapped, and the second time domain information is used to determine a second part.
  • the first information is further used to indicate information of at least one resource element RE, and the at least one RE is used to carry a narrowband reference signal NRS of the NB-IoT system, where the method further include:
  • the second information is used to indicate that the frequency domain resource mapped by the channel of the NB-IoT system is determined in units of subcarriers in one time unit, or is used to indicate that in the one time unit Determining, in units of REs, frequency domain resources mapped by channels of the NB-IoT system;
  • the time unit is a subframe or a time slot or a micro time slot.
  • the second information is downlink control information DCI.
  • an embodiment of the present application provides a resource configuration method, where the method includes: receiving first information, where the first information is used to determine a first time domain to which a channel in a narrowband Internet of Things NB-IoT system is mapped Information, the first time domain information is used to determine information of a symbol to which the first partial channel is mapped in the subframe, wherein the subframe is a subframe to which the first partial channel is mapped, and the first partial channel
  • the channel including the synchronization channel and the broadcast channel in the channel in the NB-IoT system is determined, and the first time domain information is determined according to the first information.
  • the first information is further used to determine a frequency domain location of the N subcarriers, where the N subcarriers are N subcarriers of the M subcarriers to which the NB-IoT system is mapped.
  • M, N are positive integers, and M is greater than or equal to N.
  • the first information is further used to indicate second time domain information to which a channel in the NB-IoT system is mapped, and the second time domain information is used to determine a second part.
  • the first information is further used to indicate information of at least one resource element RE, and the at least one RE is used to carry a narrowband reference signal NRS of the NB-IoT system, where the method further include:
  • the second information is used to indicate that the frequency domain resource mapped by the channel of the NB-IoT system is determined in units of subcarriers in one time unit, or is used to indicate that in the one time unit Determining, in units of REs, frequency domain resources mapped by channels of the NB-IoT system;
  • the time unit is a subframe or a time slot or a micro time slot.
  • the second information is downlink control information DCI.
  • the embodiment of the present application provides a device, which may be a network device, or a device in a network device, where the device may include a generating module and a sending module, and the modules may perform any of the foregoing first aspects.
  • a device which may be a network device, or a device in a network device, where the device may include a generating module and a sending module, and the modules may perform any of the foregoing first aspects.
  • a determining module configured to determine a frequency domain location of the M subcarriers, where the M subcarriers are subcarriers to which the narrowband IoT NB-IoT system is mapped;
  • the communication module is configured to send the first information, where the first information is used to determine a frequency domain position of the N subcarriers of the M subcarriers, where M and N are positive integers, and M is greater than or equal to N.
  • the communication module is further configured to send second information, where the second information is used to indicate that the channel mapping of the NB-IoT system is determined in units of subcarriers in one time unit. a frequency domain resource, or for indicating that the frequency domain resource mapped by the channel of the NB-IoT system is determined in units of REs in the one time unit, where the time unit is a subframe or a time slot or a micro time Gap.
  • the embodiment of the present application provides a device, which may be a network device, or a device in a network device, where the device may include a generating module and a sending module, and the modules may perform any of the foregoing second aspects.
  • a device which may be a network device, or a device in a network device, where the device may include a generating module and a sending module, and the modules may perform any of the foregoing second aspects.
  • a determining module configured to determine first time domain information to which a channel in the narrowband Internet of Things NB-IoT system is mapped, where the first time domain information is used to determine information of a subframe to which the first partial channel is mapped, where a part of the channel includes a synchronization channel and a broadcast channel in a channel in the NB-IoT system;
  • a communication module configured to send the first information, where the first information is used to indicate the first time domain information.
  • the communication module is further configured to send second information, where the second information is used to indicate that the channel mapping of the NB-IoT system is determined in units of subcarriers in one time unit. a frequency domain resource, or for indicating that the frequency domain resource mapped by the channel of the NB-IoT system is determined in units of REs in the one time unit, where the time unit is a subframe or a time slot or a micro time Gap.
  • the embodiment of the present application provides a device, which may be a network device, or a device in a network device, where the device may include a generating module and a sending module, and the modules may perform any of the foregoing third aspects.
  • a device which may be a network device, or a device in a network device, where the device may include a generating module and a sending module, and the modules may perform any of the foregoing third aspects.
  • a determining module configured to determine first time domain information to which a channel in the narrowband Internet of Things NB-IoT system is mapped, where the first time domain information is used to determine information of a symbol to which the first partial channel is mapped in the subframe,
  • the subframe is a subframe to which the first partial channel is mapped, and the first partial channel includes other channels than the synchronization channel and the broadcast channel in the channel in the NB-IoT system;
  • a communication module configured to send the first information, where the first information is used to indicate the first time domain information.
  • the communication module is further configured to send second information, where the second information is used to indicate that the channel mapping of the NB-IoT system is determined in units of subcarriers in one time unit. a frequency domain resource, or for indicating that the frequency domain resource mapped by the channel of the NB-IoT system is determined in units of REs in the one time unit, where the time unit is a subframe or a time slot or a micro time Gap.
  • the embodiment of the present application provides a device, which may be a terminal device or a device in a terminal device, where the device may include a receiving module and a processing module, and the modules may perform any of the foregoing fourth aspects.
  • the terminal device in the design example, specifically:
  • a communication module configured to receive first information, where the first information is used to determine a frequency domain location of N subcarriers of the M subcarriers, where the M subcarriers are subcarriers to which the narrowband IoT NB-IoT system is mapped , M, N are positive integers, M is greater than or equal to N;
  • a determining module configured to determine a frequency domain location of the N subcarriers according to the first information.
  • the communication module is further configured to receive second information, where the second information is used to indicate that the channel mapping of the NB-IoT system is determined in units of subcarriers in one time unit. a frequency domain resource, or for indicating that the frequency domain resource mapped by the channel of the NB-IoT system is determined in units of REs in the one time unit, where the time unit is a subframe or a time slot or a micro time Gap.
  • an embodiment of the present application provides a device, which may be a terminal device, or a device in a terminal device, where the device may include a receiving module and a processing module, and the modules may perform the foregoing fifth aspect.
  • a communication module configured to receive first information, where the first information is used to determine first time domain information to which a channel in a narrowband Internet of Things NB-IoT system is mapped, where the first time domain information is used to determine Information of a subframe to which the first portion of the channel is mapped, the first partial channel including a synchronization channel and a broadcast channel in a channel in the NB-IoT system;
  • a determining module configured to determine the first time domain information according to the first information.
  • the communication module is further configured to receive second information, where the second information is used to indicate that the channel mapping of the NB-IoT system is determined in units of subcarriers in one time unit. a frequency domain resource, or for indicating that the frequency domain resource mapped by the channel of the NB-IoT system is determined in units of REs in the one time unit, where the time unit is a subframe or a time slot or a micro time Gap.
  • the embodiment of the present application provides a device, which may be a terminal device or a device in a terminal device, where the device may include a receiving module and a processing module, and the modules may perform the foregoing sixth aspect.
  • a communication module configured to receive first information, where the first information is used to determine first time domain information to which a channel in a narrowband Internet of Things NB-IoT system is mapped, where the first time domain information is used to determine a first partial channel Information of a symbol mapped to in a subframe, wherein the subframe is a subframe to which the first partial channel is mapped, and the first partial channel includes a synchronization in a channel in the NB-IoT system Channels and other channels than the broadcast channel;
  • a determining module configured to determine the first time domain information according to the first information.
  • the communication module is further configured to receive second information, where the second information is used to indicate that the channel mapping of the NB-IoT system is determined in units of subcarriers in one time unit. a frequency domain resource, or for indicating that the frequency domain resource mapped by the channel of the NB-IoT system is determined in units of REs in the one time unit, where the time unit is a subframe or a time slot or a micro time Gap.
  • the embodiment of the present application further provides a device, where the device includes a processor, to implement the method described in the first aspect or the second aspect or the third aspect.
  • the apparatus can also include a memory for storing program instructions and data.
  • the memory is coupled to the processor, and the processor can invoke and execute program instructions stored in the memory for implementing any of the methods of the first aspect, the second aspect, and the third aspect described above.
  • the apparatus can also include a communication interface for the device to communicate with other devices.
  • the other device is a terminal device.
  • the device comprises:
  • a memory for storing program instructions
  • a processor configured to determine a frequency domain location of the M subcarriers, where the M subcarriers are subcarriers to which the narrowband IoT NB-IoT system is mapped; the processor is further configured to send, by using the communication interface, the a first information for determining a frequency domain location of N subcarriers of the M subcarriers to which the narrowband IoT NB-IoT system is mapped; or
  • the processor is configured to determine first time domain information to which a channel in the narrowband Internet of Things NB-IoT system is mapped, where the first time domain information is used to determine information of a subframe to which the first partial channel is mapped, a first portion of the channel includes a synchronization channel and a broadcast channel in a channel in the NB-IoT system; the processor is further configured to send the first information by using the communication interface, the first information being used to determine the first portion Information about the subframe to which the channel is mapped; or
  • the processor is configured to determine first time domain information to which a channel in the narrowband Internet of Things NB-IoT system is mapped, where the first time domain information is used to determine information of a symbol mapped to the first partial channel subframe, where The subframe is a subframe to which the first partial channel is mapped, and the first partial channel includes other channels than the synchronization channel and the broadcast channel in the channel in the NB-IoT system;
  • the device is further configured to send, by using the communication interface, first information, where the first information is used to determine information of a symbol mapped to the first partial channel subframe, where the subframe is mapped to the first partial channel To the sub-frame.
  • the specific content included in the first information may refer to the specific description of the first information in the first aspect or the second aspect or the third aspect, which is not specifically limited herein.
  • the processor is further configured to send, by using a communication interface, second information, where the second information is used to indicate that the channel of the NB-IoT system is determined in units of subcarriers in one time unit.
  • the mapped frequency domain resource or used to indicate that the frequency domain resource mapped by the channel of the NB-IoT system is determined in units of REs in the one time unit, where the time unit is a subframe or a time slot or Microslot.
  • the embodiment of the present application further provides a device, where the device includes a processor, to implement the method described in the fourth aspect or the fifth aspect or the sixth aspect.
  • the apparatus can also include a memory for storing program instructions and data.
  • the memory is coupled to the processor, and the processor can invoke and execute program instructions stored in the memory for implementing any of the methods described in the fourth, fifth, and sixth aspects above. method.
  • the apparatus can also include a communication interface for the device to communicate with other devices.
  • the other device is a network device.
  • the device comprises:
  • a communication interface configured to receive first information, where the first information is used to determine a frequency domain location of N subcarriers of the M subcarriers to which the narrowband IoT NB-IoT system is mapped, or the first information is used for Determining information of a subframe to which the first partial channel is mapped, the first partial channel including a synchronization channel and a broadcast channel in a channel in the NB-IoT system, or the first information is used to determine a first partial channel subframe
  • a memory for storing program instructions
  • a processor configured to determine, by using the first information received by the communication interface, the frequency domain location, or information of a subframe to which the first partial channel is mapped, or mapped in the first partial channel subframe Information about the symbol.
  • the specific content included in the first information may be referred to the specific description of the first information in the fourth aspect or the fifth aspect or the sixth aspect, which is not specifically limited herein.
  • the communication interface is further configured to receive second information, where the second information is used to indicate that the channel of the NB-IoT system is mapped in units of subcarriers in one time unit.
  • a frequency domain resource or configured to indicate, in the one time unit, a frequency domain resource mapped by a channel of the NB-IoT system in units of REs, where the time unit is a subframe or a time slot or a minislot .
  • the embodiment of the present application further provides a computer readable storage medium, comprising instructions, when executed on a computer, causing the computer to perform the method of the first aspect or the second aspect or the third aspect.
  • the embodiment of the present application further provides a computer readable storage medium, comprising instructions, when executed on a computer, causing the computer to perform the method of the fourth aspect or the fifth aspect or the sixth aspect.
  • the embodiment of the present application provides a chip system, including a processor, and a memory, for implementing the method of the first aspect or the second aspect or the third aspect.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the embodiment of the present application provides a chip system, where the chip system includes a processor, and further includes a memory for implementing the method of the fourth aspect or the fifth aspect or the sixth aspect.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the embodiment of the present application provides a system, the system comprising the device of the seventh aspect and the device of the tenth aspect.
  • the embodiment of the present application provides a system, comprising the device of the eighth aspect and the device of the eleventh aspect.
  • the embodiment of the present application provides a system, comprising the device of the ninth aspect and the device of the twelfth aspect.
  • the embodiment of the present application provides a system, comprising the device of the thirteenth aspect and the device of the fourteenth aspect.
  • FIG. 1 is a schematic diagram of a possible application scenario of an embodiment of the present application
  • FIG. 2 is a flowchart of a resource configuration method according to an embodiment of the present application.
  • Figure 3 is a schematic diagram of a PRB
  • 4A is a schematic diagram of a carrier resource shared by an NR system and an LTE system according to an embodiment of the present application;
  • 4B is another schematic diagram of sharing carrier resources between an NR system and an LTE system according to an embodiment of the present application
  • FIG. 5A is a schematic diagram of a frequency domain position alignment of a subcarrier of an NR carrier and a center subcarrier of an LTE carrier according to an embodiment of the present application;
  • 5B is a schematic diagram of a frequency domain position of a subcarrier of an NR carrier and a center subcarrier of an LTE carrier in the embodiment of the present application;
  • 5C is a frequency domain in which the frequency of the center subcarrier of the LTE carrier including the center frequency carrier of the LTE carrier exceeds the initial frequency domain position of the NR carrier and the boundary of the last PRB of the NR carrier in the embodiment of the present application.
  • Location a schematic diagram of the situation;
  • 5D is a frequency domain in which the frequency of the center subcarrier of the LTE carrier including the center frequency carrier of the LTE carrier exceeds the initial frequency domain position of the NR carrier and the boundary of the last PRB of the NR carrier in the embodiment of the present application. Another situational map of location;
  • FIG. 6 is a schematic diagram of three deployment modes of the NB-IoT system
  • FIG. 7 is a schematic diagram of channel mapping of an NB-IoT system
  • FIG. 8 is a diagram showing an example of a first type of NRS pattern
  • FIG. 9 is a diagram showing an example of a second NRS pattern
  • 10 is a schematic diagram showing alignment of subcarriers of an NB-IoT system with subcarriers of an NR system;
  • 11 is a schematic diagram of the PRB of the NB-IoT system being misaligned with the PRB of the NR system;
  • FIG. 12 is a schematic diagram of another resource configuration method according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic diagram of another resource configuration method according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic diagram of another resource configuration method according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of a device according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram of another apparatus according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic structural diagram of another apparatus according to an embodiment of the present disclosure.
  • FIG. 18 is a schematic structural diagram of another apparatus according to an embodiment of the present application.
  • LTE-A advanced long term evolution
  • the communication system can also be applied to the communication technology of the future.
  • the system described in the embodiment of the present application is for explaining the technical solution of the embodiment of the present application, and does not constitute the technical solution provided by the embodiment of the present application.
  • the technical solutions provided by the embodiments of the present application are applicable to similar technical problems as the network architecture evolves.
  • the network device involved in the embodiment of the present application includes a base station (BS), and may be a device deployed in the radio access network to perform wireless communication with the terminal.
  • the base station may have various forms, such as a macro base station, a micro base station, a relay station, and an access point.
  • the base station in the NR may be a base station in the NR, a base station in the LTE, or a base station in the LTE-A, where the base station in the NR may also be called a transmission reception point (TRP). ) or gNB.
  • TRP transmission reception point
  • the device that implements the function of the network device may be a network device, or may be a device that supports the network device to implement the function, such as a chip, a circuit, or other device.
  • the device that implements the function of the network device is a network device, and the technical solution provided by the embodiment of the present application is described.
  • a terminal device which may be referred to as a terminal, may be a device having a wireless transceiver function, which may be deployed on land, including indoor or outdoor, handheld or on-board; It can be deployed on the water (such as ships); it can also be deployed in the air (such as airplanes, balloons, satellites, etc.).
  • the terminal device may be a user equipment (UE).
  • the UE includes a handheld device, an in-vehicle device, a wearable device, or a computing device having a wireless communication function.
  • the UE can be a mobile phone, a tablet, or a computer with wireless transceiving capabilities.
  • the terminal device may also be a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in an unmanned vehicle, a wireless terminal in telemedicine, and an intelligent device.
  • the device that implements the function of the terminal may be a terminal, or may be a device that supports the terminal to implement the function, such as a chip, a circuit, or other device.
  • the device that implements the function of the terminal is a terminal, and the technical solution provided by the embodiment of the present application is described.
  • mapping can also be described as "occupied” or "used".
  • the communication system maps a channel on a carrier, that is, indicates that the communication system uses or occupies part or all of the time-frequency resource transmission corresponding to the carrier and the channel. Carrying information.
  • Time unit It may be a slot, a subframe or a mini-slot, or may be a unit composed of a plurality of slot aggregations, a unit composed of a plurality of subframes, and a unit. Or a unit composed of multiple mini-slots.
  • one slot may include a positive integer number of symbols or a positive integer number of mini-slots
  • one micro-slot may include a positive integer number of symbols.
  • the multiple may be two, three or more, and the embodiment of the present application is not limited.
  • a positive integer can be one or more.
  • the embodiments of the present application refer to ordinal numbers such as “first”, “second”, “third”, and “fourth” for distinguishing multiple objects, and are not used to define multiple objects. Order, timing, priority, or importance.
  • carrier resources of multiple communication systems may be shared.
  • the NR system and the NB-IoT system share carrier resources. If the carrier of the NB-IoT system is configured in the shared carrier resource, the NR system is avoided. Interfering with the transmission of the NB-IoT system, when the NR system uses the shared carrier resource, the network device in the NR system can determine the carrier resource occupied by the NB-IoT system, and can pre-preserve the NB-IoT system in the shared carrier resource. Time-frequency resources are reserved for use by the NB-IoT system.
  • the network device may further indicate the reserved resource to the terminal device in the NR system, so that the terminal device of the NR system considers that resources other than the reserved resource in the shared carrier resource may be used for performing the NR system. data transmission.
  • the embodiment of the present application provides a resource configuration method for indicating a reserved resource to a terminal device when carrier resources of multiple communication systems are shared.
  • carrier resources sharing of multiple communication systems may be shared by carrier resources of the NR system and the NB-IoT system, or may be shared by carrier resources of the NR system and the LTE system. Of course, other communication systems may also be used. Carrier resource sharing between. In the embodiment of the present application, the carrier resource sharing of the NR system and the NB-IoT system is taken as an example for description. When multiple communication systems participating in the carrier resource sharing are other communication systems, the method provided by the embodiment of the present application may also be used. There are no restrictions here.
  • FIG. 1 is a schematic diagram of a possible application scenario of an embodiment of the present application.
  • the application scenario in FIG. 1 may include a terminal device and a network device.
  • the functions of the network device and the terminal device have been described in the foregoing, and are not described herein again.
  • a terminal device can perform data transmission with only one network device, and can also perform data transmission with multiple network devices.
  • a network device can perform data transmission with one terminal device or data transmission with multiple terminal devices. This application does not specifically limit this.
  • FIG. 2 is a flowchart of a resource configuration method according to an embodiment of the present application. The method is described as follows:
  • Step 201 The network device determines a frequency domain location of the M subcarriers.
  • the M subcarriers are subcarriers to which the NB-IoT system is mapped.
  • the network device in step 201 may be a network device in another communication system that shares carrier resources with the NB-IoT system.
  • it may be a network device in the NR system.
  • the network device is used.
  • the device is an example of a network device in the NR system, and may be, for example, a gNB.
  • the terminal device in the embodiment of the present application is a terminal device in the NR system.
  • NB-IoT subcarriers multiple subcarriers mapped by the NB-IoT system are referred to as NB-IoT subcarriers
  • NR subcarriers multiple subcarriers mapped by the NR system
  • LTE subcarriers multiple subcarriers mapped by the LTE system is mapped.
  • LTE subcarriers Multiple subcarriers are referred to as LTE subcarriers.
  • the carrier of an LTE system may have a bandwidth in the frequency domain of any of 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, 15 MHz, and 20 MHz, and each different bandwidth includes several PRBs in the frequency domain, for example, in the foregoing LTE system.
  • the PRBs included in each possible bandwidth are 6 PRBs, 15 PRBs, 25 PRBs, 50 PRBs, 75 PRBs, and 100 PRBs, that is, when the carrier of the LTE system is 1.4 MHz, the LTE system
  • the carrier contains 6 PRBs. When the carrier of the LTE system is 3 MHz, the carrier contains 15 PRBs, and so on. Referring to FIG.
  • one PRB in the frequency domain, one PRB includes 12 subcarriers, wherein each subcarrier spacing may be 15 kHz. Of course, other subcarrier spacings may also be used, such as 3.75 kHz, 30 kHz, 60 kHz, or 120 kHz subcarrier spacing. There are no restrictions here.
  • one PRB includes 14 orthogonal frequency division multiplexing (OFDM) symbols, where 14 OFDM symbols correspond to one subframe.
  • a PRB consists of RBs of adjacent even slot slots and RBs of odd slots. Therefore, when the carrier of the LTE system is 1.4 MHz, the carrier of the LTE system includes 72 subcarriers, when the carrier of the LTE system is 3 MHz, the carrier includes 180 subcarriers, and so on.
  • the minimum resource granularity for data transmission may be a resource element (RE). As shown in FIG. 3, one RE corresponds to one OFDM symbol in the time domain, and corresponds to 1 in the frequency domain. Subcarriers.
  • RE resource element
  • the NR system can use resources that are not used by the LTE system.
  • the channel of the LTE system can be transmitted in the subframe.
  • the LTE system may be in the first subframe, the second subframe, the third subframe, the fifth subframe, the sixth subframe, the eighth subframe, the ninth subframe, and the tenth sub-frame.
  • the channel of the LTE system is transmitted in the frame.
  • the channel of the LTE system includes at least one of a PDSCH, a PDCCH, and a CRS.
  • a physical downlink shared control channel may not be mapped on the fourth subframe and the seventh subframe, and a physical downlink control channel of the LTE is mapped on the fourth subframe and the seventh subframe.
  • PDCCH Physical downlink control channel
  • CRS cell reference signal
  • the NR system can use the LTE system in the 4th subframe and the 7th subframe.
  • the resource, the unused resource may be other resources than the resources occupied by the PDCCH and the CRS signal.
  • the carrier of the LTE system is referred to as an LTE carrier
  • the carrier of the NR system is referred to as an NR carrier.
  • the network device of the NR system may notify the terminal device of the reserved resource, and the reserved resource may be a resource used by the LTE system.
  • the network device of the NR system may notify the terminal device of the resources used by the LTE system, and the network device of the NR system may notify the terminal device of the NR system by using a broadcast or unicast frequency domain location of the central subcarrier of the LTE carrier, for example, As shown in FIG. 4B, in one radio frame, the LTE system may be in the first subframe, the second subframe, the third subframe, the fifth subframe, the sixth subframe, the eighth subframe, and the first subframe.
  • the channels of the LTE system are transmitted in 9 subframes and 10th subframe.
  • the LTE system may not map the PDCCH and the PDSCH on the 4th subframe and the 7th subframe, and map the CRS on the 4th subframe and the 7th subframe.
  • the NR system may use S bits to notify the number of the NR subcarrier corresponding to the central subcarrier of the LTE carrier, where S is a positive integer, for example, may be 14, and the bandwidth of the LTE carrier, the number of ports of the LTE CRS, and the LTE CRS.
  • the offset is notified to the terminal device of the NR system, and the terminal device for the NR system determines which REs of the NR system are reserved resources, so that the terminal device of the NR system is in the 4th subframe and the 7th subframe.
  • the channels of the NR system are mapped on resources other than these RE resources, that is, the terminal devices of the NR system consider that these RE resources are not used to map the channels of the NR system.
  • the network device of the NR system notifies the terminal device of the NR system of the central subcarrier of the LTE carrier
  • the base station is notified in units of subcarriers, that is, the NR subcarrier corresponding to the central subcarrier of the LTE carrier is notified.
  • the number of the corresponding NR subcarrier ranges from (0 to SC max ⁇ N RB ⁇ N SC , or 0 to SC max ⁇ N RB ⁇ N SC -1), and SC max is the largest subcarrier supported in the frequency band below 6 GHz.
  • the ratio of the 60 kHz and 15 kHz subcarrier spacing, for example, SC max is equal to 4;
  • N RB is the maximum number of supported PRBs corresponding to one subcarrier spacing, for example, N RB is 275;
  • N SC is the number of subcarriers included in one PRB, for example N SC is 12.
  • the preset range: 0 to SC max ⁇ N RB ⁇ N SC , or 0 to SC max ⁇ N RB ⁇ N SC -1 is referred to as a notification range of the center subcarrier of the LTE carrier.
  • the carrier includes 275 PRBs from PRB0 to PRB274, and the subcarrier 0 of the PRB0 of the NR carrier is aligned with the frequency domain position of the center subcarrier of the LTE carrier, or the subcarrier of the PRB274 of the NR carrier 11 is aligned with the frequency domain position of the central subcarrier of the LTE carrier.
  • the LTE system may notify the network device or the terminal device of the NR system of the frequency domain location of the central subcarrier of the LTE carrier.
  • the carrier When the bandwidth of the NR carrier is 200 MHz, the carrier includes 275 PRBs from PRB0 to PRB274, and 12 subcarriers are included in each PRB, but the frequency domain position of the center subcarrier of the LTE carrier is not aligned with the subcarrier 0 of the NR carrier PRB0. As shown in FIG. 5B, the frequency domain position of the center subcarrier of the LTE carrier is shifted to the left relative to the subcarrier 0 of the NR carrier, or the frequency domain position of the center subcarrier of the LTE carrier is relative to the subcarrier of the NR carrier PRB274. 11 is offset to the right. At this time, the center subcarrier of the LTE carrier is not within the notification range, and the network device of the NR system cannot notify the terminal device of the NR of the frequency domain location of the central subcarrier of the LTE carrier.
  • the notification range of the central subcarrier of the LTE carrier can be expanded.
  • the carrier bandwidth of the LTE system may be up to 20M, that is, the LTE system includes a maximum of 100 PRBs
  • the frequency domain location of the central subcarrier of the LTE carrier Subcarrier 0 of PRB0 with respect to NR carrier 60 kHz is shifted to the left by 50 15 kHz PRBs, that is, 600 15 kHz subcarriers, or the frequency domain position of the center subcarrier of the LTE carrier is relative to the NR carrier 60 kHz subcarrier number.
  • N RB ⁇ N SC -1 is offset to the right by 50 15 kHz PRBs, that is, 600 15 kHz subcarriers.
  • the notification range of the corresponding subcarriers in the NR carrier can be extended to -599 for the center subcarrier of the LTE carrier.
  • the network device of the NR system can still use S bits to notify the center subcarrier of the LTE carrier.
  • the frequency domain location for example, the value of S may be 14, and the value of the 14-bit indication minus 599 may obtain the NR subcarrier number corresponding to the LTE carrier center subcarrier, and combine the bandwidth of the LTE carrier, the number of CRS ports, and the CRS bias.
  • the shift amount jointly determines the RE position occupied by the CRS of the LTE carrier, thereby the NR system
  • the network devices and terminal devices are not used for data transmission at the corresponding RE locations.
  • the central subcarrier notification range of the LTE carrier may be expanded to 0 to (4+2+1+1)*275*12, and 16 bits are used to notify the center subcarrier of the LTE carrier.
  • the NR carrier may include a 200 MHz NR carrier with a subcarrier spacing of 60 kHz, a 100 MHz NR carrier with a subcarrier spacing of 30 kHz, and a 50 MHz NR carrier with a subcarrier spacing of 15 kHz, including the remaining 50 MHz bandwidth.
  • the frequency domain location of the central subcarrier of the LTE carrier exceeds the initial frequency domain position of the NR carrier and the frequency domain location where the boundary of the last PRB of the NR carrier is located, as shown in FIG. 5C or FIG. 5D, thereby ensuring the NR system.
  • the network device can accurately inform the terminal device of the NR system of the frequency domain location of the central subcarrier of the LTE carrier.
  • the NR system can use the entire carrier of the LTE system.
  • the LTE carrier is the NR carrier
  • the LTE subcarrier is the NR subcarrier.
  • the carrier of the NB-IoT system is usually deployed on an LTE carrier.
  • the effective bandwidth of the carrier of the NB-IoT system in the frequency domain is M LTE subcarriers, and the value of M may be 12. Of course, other values may also be used, which is not limited herein. When the value of M is 12
  • the effective bandwidth of the carrier of the NB-IoT system in the frequency domain is the width of one PRB.
  • the carrier of the NB-IoT system is hereinafter referred to as an NB-IoT carrier.
  • FIG. 6 is a schematic diagram of three deployment modes of the NB-IoT system.
  • the LTE carrier includes 50 PRBs in the frequency domain, which are PRB0 to PRB49, respectively.
  • the NB-IoT carrier occupies one PRB of the LTE carrier; when the NB-IoT system adopts the GB deployment mode, the NB-IoT carrier is deployed in the protection bandwidth of the carrier of the LTE system; the NB-IoT system When the OB deployment mode is adopted, the NB-IoT carrier is deployed outside the LTE carrier, that is, the NB-IoT carrier does not overlap with the LTE carrier in the frequency domain.
  • the carrier of the LTE system is the carrier of the NR system, and one NR-IoT carrier may be deployed in the NR carrier, that is, the NR carrier and the NB-IoT carrier share carrier resources.
  • the method in the embodiment of the present application is described in detail by taking the deployment of the NB-IoT system as an example in the IB mode deployment.
  • step 201 the specific implementation of step 201 is as follows:
  • the network device of the NR system receives the frequency domain information of the NB-IoT carrier transmitted by the network device of the NB-IoT system.
  • the network device of the NR system can exchange frequency domain information occupied by the NB-IoT carrier through the X2/Xn interface or the network device of the enhanced X2/Xn port and the NB-IoT system, for example, the NB-IoT base station.
  • An optional method is that the NB base station sends request information to the network device of the NB-IoT system through the X2/Xn port or the enhanced X2/Xn port, where the request information is used to request the frequency domain information of the carrier of the NB-IoT, NB- After receiving the request information, the network device of the IoT system transmits the frequency domain information of the carrier of the NB-IoT to the network device of the NR system.
  • the network device of the NB-IoT system may also send the frequency domain information of the carrier of the NB-IoT to the network device of the NR system after deploying the carrier of the NB-IoT, or periodically send the information to the network device of the NR system.
  • Frequency domain information of the carrier of the NB-IoT may be obtained in other manners, and is not limited herein.
  • the frequency domain information of the carrier of the NB-IoT may also be referred to as the frequency domain information of the carrier of the NB-IoT system.
  • the frequency domain information may be an absolute frequency point number of the NB-IoT carrier.
  • Offset information of the carrier center of the NB-IoT carrier relative to the absolute frequency point number The following describes the offset information of the absolute frequency point number and the carrier center of the NB-IoT carrier with respect to the absolute frequency point number.
  • the carrier center position of the LTE carrier is determined based on the 100 kHz grid. Since the NB-IoT carrier and the LTE carrier share the frequency domain resources of the LTE carrier, therefore, based on A 100 kHz grid determines the carrier center position of the NB-IoT carrier. In addition, if the spectrum of the LTE system is refarming to the NR system, when the NR system and the NB-IoT system share carrier resources, the carrier center of the NR carrier can be determined based on the 100 kHz grid.
  • each grid corresponds to an absolute frequency point number
  • a 16-bit absolute radio frequency channel number (EARFCN) field is used in the frequency band corresponding to the LTE carrier to indicate the carrier of the LTE carrier.
  • Table 1 is a table of bandwidth and uplink and downlink resource grid size relationships. Therefore, a unique absolute frequency value can be determined by the value of the absolute frequency point number.
  • the offset information of the NB-IoT carrier center relative to the absolute frequency point number includes: a value of the offset value ⁇ 7.5 kHz and ⁇ 2.5 kHz, which is used to indicate the offset of the NB-IoT carrier center relative to the absolute frequency point number. shift.
  • the offset information of the NB-IoT carrier center relative to the absolute frequency point number is optional. When the information is not included, the carrier center of the NB-IoT carrier and the absolute frequency corresponding to the absolute frequency point number are completely coincident.
  • the network device of the NR system may determine the frequency domain information of the NB-IoT carrier according to the absolute frequency point number and the offset information of the NB-IoT carrier center relative to the absolute frequency point number.
  • the frequency domain information may be the subcarrier of the NB-IoT carrier.
  • offset information of other subcarriers relative to a central subcarrier of the NR carrier may be the subcarrier of the NB-IoT carrier.
  • the frequency domain information includes a PRB number and a subcarrier number of the subcarrier 0 of the NB-IoT carrier in the NR system, where the PRB number can range from 0 to SC max ⁇ N RB -1 , or 0 to ( ⁇ SC i +1) ⁇ N RB -1, where SC max is the ratio of the maximum subcarrier 60 kHz and 15 kHz subcarrier spacing supported by the frequency band below 6 GHz, eg, SC max is equal to 4; N RB is corresponding to one
  • the PRB number included in the first information is 30 and the subcarrier number is 0, it indicates that the first subcarrier (subcarrier 0) of the NB-IoT system is located in the frequency domain corresponding to the first subcarrier in the PRB 30 of the NR system. .
  • the frequency domain information includes subcarrier number information of the subcarrier 0 of the NB-IoT carrier in the NR system, where the number of the subcarriers may be 0 to 4*275*12-1 Or 0 ⁇ 8*275*12-1, for example, the subcarrier number included in the frequency domain information is 359. If one RB in the NR system includes 12 subcarriers, the subcarrier numbered 359 is located in the PRB30 of the NR system. In the first subcarrier, the frequency domain information indicates that the first subcarrier of the NB-IoT carrier is located in the first subcarrier of the PRB 30 of the NR system.
  • the frequency domain information of the network device of the NB-IoT system and the network device of the NR system may be other forms, which are not limited in the embodiment of the present application.
  • the network device of the NR system determines the frequency domain location of each subcarrier of the NB-IoT system according to the frequency domain information of the carrier of the NB-IoT system.
  • the frequency domain information of the carrier of the NB-IoT system acquired by the network device of the NR system may be the frequency domain information corresponding to a specific subcarrier in the carrier of the NB-IoT, and the specific subcarrier may be the network device and the NB of the NR system.
  • the network device of the IoT system is pre-agreed, for example, the specific subcarrier is a central subcarrier of the NB-IoT carrier, for example, subcarrier 6 (the subcarrier number of the NB-IoT is from 0 to 11), or the specific subcarrier is
  • the starting subcarrier (subcarrier 0) of the carrier of the NB-IoT system may be other subcarriers of other subcarriers or the frequency domain center of the NB-IoT carrier, which is not limited herein.
  • the frequency domain information of the carrier of the NB-IoT system acquired by the network device of the NR system is the frequency domain information corresponding to the central subcarrier in the carrier of the NB-IoT.
  • step 201 is not limited to the foregoing specific implementation manner, and may be implemented by other methods in the art, and is not limited herein.
  • the resources corresponding to the carrier of the NB-IoT system are not occupied by the NB-IoT system.
  • the NB-IoT system may only be in certain time domain locations, such as a certain subframe.
  • the channel of the NB-IoT system is mapped to the frequency domain of the NB-IoT system. Therefore, in order to fully utilize the unused carrier resources of the NB-IoT system, the method in this embodiment of the present application further includes:
  • Step 202 The network device of the NR system determines time domain information to which the channel in the NB-IoT system is mapped.
  • the time domain information includes subframe information occupied by a channel of the NB-IoT system, or the time domain information includes OFDM symbol information occupied by a channel of the NB-IoT system in a subframe, or the time domain.
  • the information includes subframe information occupied by the channel of the NB-IoT system and OFDM symbol information occupied in the subframe.
  • the NB-IoT system includes the following four channels: a narrowband physical broadcast channel (NPBCH), a narrowband synchronization channel (NB-IoT synchronization channel, NSCH), and a narrowband physical downlink control channel (NB-IoT physical downlink control channel, NPDCCH) and a NB-IoT physical downlink shared channel (NPDSCH), wherein the NSCH includes a NB-IoT primary synchronization channel (NPSCH) and a narrowband secondary synchronization channel (NB-IoT secondary synchronization channel) , NSSCH).
  • NNBCH narrowband physical broadcast channel
  • NSCH narrowband synchronization channel
  • NPDCCH narrowband physical downlink control channel
  • NPDSCH NB-IoT physical downlink shared channel
  • the NSCH includes a NB-IoT primary synchronization channel (NPSCH) and a narrowband secondary synchronization channel (NB-IoT secondary synchronization channel) , NSSCH).
  • the NB-IoT reference signal needs to be transmitted in the channel except the NSCH channel of each NB-IoT system, and the NB-IoT primary synchronization signal (NPSS) is carried over the NPSCH.
  • the NB-IoT secondary synchronization signal (NSSS) is carried over the NSSCH.
  • the period of the NPSS is 10 ms, and the period of the NSSS is 20 ms.
  • each block of the NB-IoT system includes eight system frames (SFs), which may also be called radio frames.
  • SFs system frames
  • Each SF contains 10 subframes, each subframe contains 2 slots, and one slot is 0.5 ms.
  • the NPBCH and the transmission NPSS are mapped in each SF, wherein the NPBCH occupies the first subframe of each SF, that is, the subframe 0, and the NPSS occupies the fourth subframe of each SF, that is, the subframe 5.
  • the NSSS occupies the last subframe of every two SFs, that is, subframe 9. In one of the remaining subframes of each SF (subframes 1-4 and subframes 6-8) and one subframe in which no NSSS is transmitted in every two SFs, one or more subframes are selected to map NPDCCH and NPDSCH.
  • the LTE system may map a physical downlink control channel (PDCCH) in each subframe.
  • the PDCCH occupies the first 3 subframes in the time domain. Any one or more of the OFDM symbols, therefore, when the NB-IoT system is deployed in the IB mode, in order to avoid interference with the PDCCH of the LTE system, the initial OFDM symbol of the NPDCCH and the NPDSCH of the NB-IoT system After the OFDM symbol occupied by the PDCCH of the LTE system, the starting OFDM symbol of the NPDCCH and the NPDSCH is determined by a system information block (SIB) of the NB-IoT, where the PDCCH of the LTE system includes the number of OFDM symbols.
  • SIB system information block
  • the value of the subframe that is broadcast by the NB-IoT system indicates that the PDCCH number of the PDCCH occupied by the LTE system is 1, and the first OFDM symbol of the subframe occupied by the PDCCH of the LTE system, that is, symbol 0.
  • the starting OFDM symbols mapped by the NPDCCH and the NPDSCH are mapped from the second OFDM symbol of the subframe, that is, from symbol1.
  • the mapping between the deployment mode of the NB-IoT system and the initial OFDM symbols of the NPDCCH and the NPDSCH may be pre-defined.
  • the deployment mode of the NB-IoT system is IB deployment
  • the initial OFDM symbols of the NPDCCH and the NPDSCH are used.
  • the fourth OFDM symbol in the subframe is similar to the NPBCH channel mapping result shown in FIG. 7.
  • the deployment mode of the NB-IoT system is GB or OB deployment
  • the initial OFDM symbols of the NPDCCH and the NPDSCH are subframes.
  • the first OFDM symbol in .
  • the initial OFDM symbols mapped by the NPDCCH and the NPDSCH may also be determined in other manners, and are not limited herein.
  • the NPSS and NSSS signals are mapped from the 4th OFDM symbol in the subframe.
  • the LTE system transmits CRS on each LTE carrier. Therefore, the NPSS signal and the NSSS signal are only used in the RE resources occupied by the CRS of the LTE system. The mapping does not actually transmit signals on the RE, ie the NPSS signal and the NSSS signal are punctured by the CRS of the LTE system.
  • the generated sequence length of the NPSS/NSSS is 121, and the NPSS signal and the NSSS signal occupy 11 OFDM symbols in the time domain, so the NPSS The signal and the NSSS signal occupy only subcarrier 0 to subcarrier 10 in the frequency domain corresponding to the carrier of the NB-IoT system, and the subcarrier 11 does not transmit a signal, as shown in FIG.
  • the mapping of the channel in the time domain starts from the 4th OFDM symbol of the subframe, and the 12 subcarriers of the carrier of the NB-IoT system are used.
  • the NPBCH since the NPBCH needs to carry the necessary indication information, the NPBCH does not map data on the RE resources occupied by the CRS of the LTE system, regardless of the deployment of the carrier of the NB-IoT system.
  • the NPDCCH and the NPDSCH of the NB-IoT system may be mapped to one or more SFs other than the subframes occupied by the NPSS signal, the NSSS signal, and the NPBCH in FIG. 7.
  • step 202 the specific implementation of step 202 is as follows:
  • the channel of the NB-IoT system is mapped to the time domain information in the NB-IoT system, for example, the NPSS signal, the NSSS signal, and the information of the subframe occupied by the NPBCH channel in one SF, and at least one of the NPDCCH and the NPDSCH
  • the information of the mapped starting OFDM symbol is fixed, as shown in FIG.
  • the SF frame number of the NR system may be offset from the SF frame number of the NB-IoT system, and/or the subframe number of the NR system may be offset from the subframe number of the NB-IoT system, and therefore, in the NR system.
  • the network device of the NR system can also determine the correspondence between the NB-IoT system and the subframe of the NR system.
  • the network device of the NR system sends an inquiry message to the network device of the NB-IoT system, and queries the network device of the NB-IoT system for the subframe number of the NB-IoT system at a certain time, and then, NB - The network device of the IoT system feeds back to the network device of the NR system that the subframe number of the NB-IoT system is 1 during this time, and the network device of the NR system determines that the subframe number of the NR system is 0 during this time.
  • the network device of the NR system determines that the subframe 0 of the NR system corresponds to the subframe 1 of the NB-IoT system, or may be described as: the subframe of the NR system is 0 at a certain time, and the subframe of the NB-IoT system Is 1.
  • the time domain information mapped to the NB-IoT system by the channel, and the correspondence between the NB-IoT system and the subframe of the NR system can determine that the channel in the NB-IoT system is Time domain location in the NR system.
  • each subframe of the NB-IoT system can be described by combining SF and subframe.
  • the network device of the NB-IoT base station and the NR system exchanges at least one of the system frame number and the subframe number information through the X2/Xn port or the enhanced X2/Xn port.
  • the system frame number (SFN) of the SF is combined with the subframe number, and each SFN has 0 to 9 subframe numbers, and SFN0 and subframe 0 represent the first subframe in the first SF.
  • SFN0, subframe 1 represents the second subframe in the first SF, and so on.
  • the subframes of the NR system are also described in the same manner.
  • the network device of the NB-IoT system feeds back the SFN and the subframe number of the NB-IoT system to the network device of the NR system during the time.
  • the network device of the NB-IoT system feeds back that the SFN of the NB-IoT system is 0 and the subframe number is 0, and then the network device of the NR system determines that the SFN of the NR system is 1, the subframe number.
  • the network device of the NR system determines that the SFN1 of the NR system and the subframe 0 correspond to the SFN0 and the subframe 0 of the NB-IoT system, and may also be described as: the SFN of the NR system is 1, the subframe in a certain time. The number is 0, and the NBN of the NB-IoT system is 0, and the subframe number is 0.
  • the network device of the NR system determines the correspondence between the subframe of the NR system and the subframe of the NB-IoT system, information of the mapped subframe of each channel of the NB-IoT system in the NR system is determined.
  • the time domain information includes different content, for example, the subframe information that is occupied by the channel of the NB-IoT system, or the time domain information includes the OFDM occupied by the channel of the NB-IoT system in the subframe.
  • the symbol information, or the time domain information includes subframe information occupied by a channel of the NB-IoT system and OFDM symbol information occupied in the subframe, and therefore, the network device of the NR system determines that each channel of the NB-IoT system is in the NR system.
  • the way of the time domain location is also different. The following describes the three different time domain information separately.
  • the time domain information includes information of at least one of the NPSS signal, the NSSS signal, and the NPBCH occupied in the time domain.
  • the information of the subframe may be a subframe number corresponding to the frame number and the subframe number in the time domain.
  • the frame number ranges from 0 to 1023
  • the range of the intra subframe number ranges from 0 to 9.
  • the subframe number ranges from 0 to 10239.
  • the network device of the NR system is configured according to the subframe of the NR system.
  • the SFN of the NR system is 1
  • the subframe number is 0,
  • the SFN of the NB-IoT system is 0,
  • the subframe number is 0, and the NPSS signal is used.
  • the network device of the NR system determines that the first subframe to which the NPSS signal is mapped on the NR system is the 5th of the NRN of the NR system.
  • the subframes, or the subframe to which the NPSS signal is mapped on the NR system is determined to be the fifth subframe in each SF starting from the SFN of the NR system.
  • the information of the NSSS signal and the subframes occupied by the NPBCH in the time domain can also be determined in a manner similar to NPSS.
  • the period of the NPSS signal, the NSSS signal, and the NPBCH is fixed, for example, the period of the NPSS signal and the NPBCH is 10 ms, and the period of the NSSS signal is 20 ms.
  • the time domain information determined by the network device of the NR system includes the NPSS signal, the NSSS The signal of the subframe and the information of the subframe occupied by the NPBCH signal in the time domain, the network device of the NR system can only determine the information of the NPSS signal, the NSSS signal, and the first subframe occupied by the NPBCH in the time domain, and can pass the NPSS signal.
  • the period and the information of the first subframe determine the information of other subframes occupied by the NPSS signal, and the information of the other subframes occupied by the NSSS signal may be determined by the period of the NSSS signal and the information of the first subframe, and may pass the NPBCH signal.
  • the period and the information of the first subframe determine the information of other subframes occupied by the NPBCH signal.
  • the information of the subframe determined by the network device of the NR system may also be an NPSS signal, an NSSS signal, and an NPBCH in the time domain.
  • the preset subframe is the first subframe of the NR system
  • the NR system signal is determined by the network device of the NR system in the NR.
  • the offset between the first subframe of the system and the first subframe of the NR system is based on the correspondence between the subframe of the NR system and the subframe of the NB-IoT system, for example, at a certain time.
  • the SFN of the NR system is 1, the subframe number is 0, the SFN of the NB-IoT system is 0, the subframe number is 0, and the NPSS signal is fixedly mapped to the 5th subframe in each SF, that is, the subframe 4
  • the first subframe in which the NPSS signal occupies the NR system in the time domain is determined to be SFN and the subframe number is 4, that is, the offset from the first subframe of the NR system is 14 subframes.
  • the time domain information may include only the NPSS signal in the time domain.
  • the information of the occupied subframes may be determined by the pre-configured relative positional relationship, and the time domain information may only include the NSSS signal occupied by the time domain.
  • the information of the frame, through the pre-configured relative positional relationship, can determine the information of the subframe occupied by the NPSS signal in the time domain.
  • the method can also be applied to NPSS signals and NPBCH, or can also be applied to NSSS signals and NPBCH.
  • the network device of the NR system can also determine the subframe information of the NPDCCH and the NPDSCH mapping by determining the subframe information of the NPSS signal mapping, and no longer Narration.
  • the second case the time domain information includes information of at least one mapped initial OFDM symbol in the NPDCCH and the NPDSCH.
  • the starting OFDM symbol of the NPDCCH mapping is the starting OFDM symbol of the NPDCCH mapping in the subframe for transmitting the NPDCCH.
  • the starting OFDM symbol of the NPDSCH mapping is the starting OFDM symbol of the NPDSCH mapping in the subframe for transmitting the NPDSCH.
  • the subframe may be used to transmit at least one of an NPDCCH and an NPDSCH.
  • the information of the starting OFDM symbol mapped by the NPDCCH and the NPDSCH may be the number of the starting OFDM symbol, and the starting OFDM symbol mapped by the NPDCCH and the NPDSCH on each subframe is the 4th OFDM symbol. , that is, OFDM 3, and the subframe of the NR system is aligned with the subframe of the NB-IoT system, and the network device of the NR system determines that the starting OFDM symbol on the NPDCCH and the NPDSCH on the subframe mapped by the NR system is OFDM 3 .
  • the network device of the NR system can also determine the NPSS signal, the NSSS signal, and the NPBCH in the NR.
  • the starting OFDM symbol on the systematically mapped subframe is the 4th OFDM symbol.
  • the time domain information may further include information of the starting OFDM symbols of other channel mappings, and the specific content may be related to the NPDCCH and the NPDSCH. The same, no longer repeat here.
  • the time domain information includes information of the NPSS signal, the NSSS signal, and the subframe of the NPBCH occupied in the time domain, and the information of the initial OFDM symbol mapped by the NPDCCH and the NPDSCH.
  • the third case is a combination of the above two situations, that is, the time domain information includes two parts of content, and the specific description of each part of the content, please refer to the description of the foregoing two cases, and details are not described herein again.
  • step 202 is not limited to the foregoing specific implementation manner, and may be implemented by other methods in the art, and is not limited herein.
  • the method in the embodiment of the present application may further include:
  • Step 203 The network device of the NR system determines the resource location of the NRS of the NB-IoT system.
  • the network device of the NB-IoT system can be determined based on the resource granularity corresponding to the NRS pattern based on the NRS pattern.
  • the RE of the NRS is transmitted, and the NRS is transmitted to the terminal device of the NB-IoT system at the RE.
  • Fig. 8 is a view showing an example of the first type of NRS pattern.
  • the resource granularity corresponding to the NRS pattern includes 24 REs, and the 24 REs correspond to 12 subcarriers in the frequency domain and 2 slots in the time domain.
  • REs for transmitting NRS are filled with oblique lines, which appear in the frequency domain as a comb-like distribution with an interval of 2 subcarriers.
  • the configuration of the comb-shaped NRS pattern may be one or more. As shown in FIG.
  • the initial frequency domain position of the RE for transmitting the NRS is the 0th subcarrier, and the adjacent REs for transmitting the NRS are 2 subcarriers in the frequency domain;
  • the start symbol position of the RE of the NRS is the sixth symbol, and the interval of the adjacent REs for transmitting the NRS in the time domain is 1 slot, that is, 7 symbols.
  • the starting frequency domain position of the RE for the NRS is the first subcarrier, and the interval of the neighboring REs for transmitting the NRS in the frequency domain is 2 subcarriers.
  • There are two types of start symbols for transmitting an NRS which are REs for transmitting NRS corresponding to different antenna ports.
  • the start symbol of the RE for transmitting the NRS is the sixth symbol
  • the interval of the adjacent RE for transmitting the NRS is 1 slot in the time domain
  • the antenna port 2 for transmitting the NRS for transmitting the NRS
  • the start symbol of the RE is the 7th symbol
  • the interval of the adjacent REs for transmitting the NRS in the time domain is 1 slot.
  • the location of the RE for transmitting the NRS in the frequency domain is determined by the physical cell ID (PCID) and the modulo operation of 6.
  • the REs used for transmitting the NRS have three possible locations in the frequency domain, as shown in FIG. 8, which is the first possible location of the RE for transmitting the NRS in the frequency domain, that is, the RE for transmitting the NRS.
  • the starting frequency domain position is the first subcarrier.
  • a second possible location of the RE for transmitting the NRS in the frequency domain is that the starting frequency domain location of the RE for transmitting the NRS is the second subcarrier.
  • a third possible location of the RE for transmitting the NRS in the frequency domain is that the starting frequency domain location of the RE for transmitting the NRS is the third subcarrier.
  • the network device of the NR system can exchange information of the RE of the NB-IoT carrier for transmitting the NRS through the X2/Xn interface or the enhanced X2/Xn port and the NB-IoT base station.
  • An optional manner is that the NB base station sends request information to the network device of the NB-IoT system through the X2/Xn port or the enhanced X2/Xn port, where the request information is used to acquire the RE of the NB-IoT carrier for transmitting the NRS.
  • the network device of the NB-IoT system transmits the information of the RE of the NB-IoT carrier for transmitting the NRS to the network device of the NR system.
  • the network device of the NB-IoT system may also send the information of the RE of the NB-IoT carrier for transmitting the NRS to the network device of the NR system after deploying the carrier of the NB-IoT, or periodically to the NR system.
  • the network device transmits information of the RE of the NB-IoT for transmitting the NRS.
  • the information of the RE of the NB-IoT carrier for transmitting the NRS may be obtained in other manners, which is not limited herein.
  • step 203 the specific implementation manner of step 203 is as follows:
  • the network device of the NR system receives the information of the RE for transmitting the NRS transmitted by the network device of the NB-IoT system.
  • the information of the RE for transmitting the NRS includes the number of antenna ports of the NB-IoT system and the frequency domain location of the NRS.
  • the frequency domain location may have the following two indication modes:
  • the first way: the frequency domain location may be the location of the subcarriers of the NB-IoT system to which the NRS is mapped. For example, in FIG. 8, the NRS is mapped on the first subcarrier and the seventh subcarrier of the NB-IoT system.
  • the second mode is an offset of the subcarrier mapped by the NRS relative to the preset frequency domain location.
  • the preset frequency domain location is the starting subcarrier of the NB-IoT system
  • the offset is the offset of the subcarrier mapped by the NRS with respect to the starting subcarrier.
  • the offset is The amount is 0.
  • the information of the RE for transmitting the NRS may include only the frequency domain position of the NRS on one subframe.
  • the manner in which the network device of the NR system obtains the information is similar to the steps 201 and 202, and details are not described herein again.
  • the network device of the NR system determines the information of the NB of the NB-IoT system for transmitting the NRS.
  • the network device of the NR system determines NB- by step 201. After the frequency domain location of the M subcarriers of the IoT system, according to the information of the RE for transmitting the NRS, the RE resources occupied by the NRS of the NB-IoT system can be determined.
  • step 202 and step 203 are optional steps, that is, step 202 and step 203 are not necessarily performed.
  • step 2 step 202 and step 203 are taken as an example.
  • the step 203 is not limited to the foregoing specific implementation manner, and may be implemented in other manners by a person skilled in the art, which is not limited herein.
  • step 201, step 202, and step 203 may be three independent steps, and the network device of the NR may select any one or more of the executions; step 201, step 202, and step 203 may also be 3 different content in the same step.
  • step 201, the step 202, and the step 203 are three independent steps, when the network device of the NR performs any of the multiple steps, the execution order between the multiple steps is not limited. For example, the network device of the NR performs step 201.
  • step 201 may be performed before the step 201 is performed, or the step 201 may be performed before the step 201 is performed, or the step 201 and the step 202 may be performed at the same time, or the step 201 and the step 202 may be combined into one step, that is, The information in step 201 and step 202 is obtained in the same step, which is not limited in the embodiment of the present application.
  • Step 204 The network device of the NR system sends the first information to the terminal device of the NR system, and the terminal device of the NR system receives the first information.
  • the first information includes information for determining a frequency domain location of the M subcarriers of the NB-IoT system; if the network device of the NR system performs the step 202, the first information includes time domain information for determining a channel to which the NB-IoT system is mapped; if the network device of the NR system performs step 203, the first information includes for determining the NB-IoT system Transmitting information of the RE of the NRS; if the network device of the NR system performs step 201 and step 203, the first information includes a frequency domain location for determining M subcarriers of the NB-IoT system, and is used to determine the NB- Information of the IoT system for transmitting the RE of the NRS. That is, the content contained in the first information is associated with the steps performed by the network device of the NR system prior to step 204.
  • the first information contains information for determining the frequency domain location of the M subcarriers of the NB-IoT system.
  • the first information is used to determine a frequency domain location of N subcarriers of 12 subcarriers of the NB-IoT system, and the first information may be used to determine a frequency domain location of one of the 12 subcarriers of the NB-IoT system.
  • the first information is used to determine a frequency domain location of a central subcarrier of the NB-IoT system, or the first information is used to determine a frequency domain location of a first subcarrier of the NB-IoT system, and the like;
  • a message may also be used to determine a frequency domain location of a plurality of subcarriers of the 12 subcarriers, for example, the first information is used to determine frequency domain locations of the first subcarrier and the twelfth subcarrier of the NB-IoT system, respectively, or The first information is used to determine the frequency domain locations of the first subcarrier, the second subcarrier, and the eleventh subcarrier of the NB-IoT system, respectively, or the first information is used to determine the 12 subcarriers of the NB-IoT system, respectively.
  • the location of each subcarrier is not limited in the embodiment of the present application.
  • the first information may be high layer signaling, for example, radio resource control (RRC) signaling, system broadcast message, terminal device multicast message of the NR system, and the like.
  • RRC radio resource control
  • the content specifically included in the first information may be any one of the following three types. Of course, the content included in the first information is not limited to the following three cases:
  • the first information may include the frequency domain location of one predefined subcarrier of the NB-IoT system.
  • a predefined subcarrier may be subcarrier 0, subcarrier 6 or any other subcarrier of the NB-IoT carrier, and when the frequency domain location of the subcarrier is notified, the NB-IoT carrier may be known.
  • the frequency domain position of 12 subcarriers Take the subcarrier 0 of the predefined NB-IoT system as the information to be notified as an example:
  • the first information includes a PRB number and a subcarrier number of the subcarrier 0 of the NB-IoT system in the NR system, and the PRB number may range from 0 to SC max ⁇ N RB -1. Or 0 to ( ⁇ SC i +1) ⁇ N RB -1, where SC max is the ratio of the maximum subcarrier 60 kHz and 15 kHz subcarrier spacing supported by the frequency band below 6 GHz, for example, SC max is equal to 4; N RB is corresponding to one kind The maximum number of supported PRBs for the carrier spacing, for example, N RB is 275.
  • ⁇ SC i represents the sum of the ratios of the various subcarriers supported by the frequency band below 6 GHz and the 15 kHz subcarrier spacing, such as the ratio of 60 kHz and 15 kHz subcarrier spacing, 30 kHz and 15 kHz.
  • the ratio of the subcarrier spacing and the sum of the ratios of the 15 kHz and 15 kHz subcarrier spacings, that is, 4+2+1; the subcarrier number may range from 0 to 11. For example, if the PRB number included in the first information is 30 and the subcarrier number is 0, it indicates that the first subcarrier of the NB-IoT system is located in the frequency domain corresponding to the first subcarrier in the PRB 30 of the NR system.
  • the first information includes subcarrier number information corresponding to the NR system of the NB-IoT system, where the number of the subcarriers may be 0 to SC max ⁇ N RB ⁇ N SC -1 or 0 ⁇ ( ⁇ SC i +1) ⁇ N RB *N sc -1, where is the ratio of the maximum subcarrier 60 kHz and 15 kHz subcarrier spacing supported in the frequency band below 6 GHz, for example equal to 4; corresponds to one subcarrier
  • the maximum number of supported PRBs for example, 275, represents the sum of the ratios of the various subcarriers supported by the frequency band below 6 GHz and the 15 kHz subcarrier spacing, such as the ratio of the 60 kHz and 15 kHz subcarrier spacing, the ratio of the 30 kHz and 15 kHz subcarrier spacing, and The sum of the ratios of the 15 kHz and 15 kHz subcarrier spacings, ie 4+2 +1.
  • N SC refers to the number of subcarriers included in one PRB, for example, N SC is 12.
  • the subcarrier number included in the frequency domain information is 359, it indicates that the first subcarrier of the NB-IoT carrier is located in the first subcarrier in the PRB 30 of the NR system.
  • the first information may include the PRB number and the offset information of the subcarrier level, where the PRB number may range from 0 to SC max ⁇ N RB -1, or 0 to ( ⁇ SC i +1) ⁇ N RB -1, where SC max is the ratio of the maximum subcarrier 60 kHz and 15 kHz subcarrier spacing supported by the frequency band below 6 GHz, for example, SC max is equal to 4; N RB is the maximum number of supported PRBs corresponding to one subcarrier spacing, such as N RB 275, ⁇ SC i represents the sum of the ratios of the various subcarriers supported by the frequency band below 6 GHz and the 15 kHz subcarrier spacing, such as the ratio of the 60 kHz and 15 kHz subcarrier spacing, the ratio of the 30 kHz and 15 kHz subcarrier spacing, and the 15 kHz and 15 kHz subcarriers.
  • the sum of the ratios of the intervals that is, 4+2+1; the offset range of the offset range
  • the third type the first information may include the absolute frequency point number of the NB-IoT carrier and the offset information of the carrier center of the NB-IoT carrier relative to the absolute frequency point number, and the absolute frequency point number and the offset quantity are determined in the same manner.
  • the corresponding content in step 201 is the same, and details are not described herein again.
  • the network device of the NR system indicates the frequency domain location of the subcarrier of the NB-IoT system to the terminal device of the NR system, and the NB-IoT system cannot be fully utilized due to the PRB-level indication mode of the network device of the NR system.
  • the sub-system of the NB-IoT system is required.
  • the carrier is aligned with the subcarriers of the NR system, as shown in FIG.
  • the foregoing description of the subcarriers of the NR system and the subcarriers of the NB-IoT system shows that the center position of the NR carrier is located on a raster of 100 kHz, that is, the center position offset of any two NR carriers is an integer multiple of 100 kHz.
  • the center position of the carrier of the NB-IoT system is also located on the raster of 100 kHz. Then, when the NB-IoT system adopts the IB deployment mode, in order to ensure the subcarrier alignment of the NR system and the subcarrier of the NB-IoT system, the carrier center position of the NB-IoT system and the center position of the carrier of the NR system are shifted. The minimum common multiple of 100 kHz and 15 kHz, that is, 300 kHz. Similarly, since one PRB contains 12 subcarriers in the frequency domain, the NB-IoT system is used to ensure PRB alignment of the PRB and NR systems of the NB-IoT system.
  • the offset between the center position of the carrier and the center position of the carrier of the NR system is at least the least common multiple of 100 kHz and 15*12 (i.e., 180 kHz), i.e., 900 kHz.
  • the PRB of the NB-IoT system and the PRB of the NR system will appear more than (900-300)/900, that is, a probability of 2/3.
  • one PRB of the NB-IoT system covers the PRBs of two NR systems in the frequency domain.
  • the network equipment of the NR system indicates the frequency domain resources occupied by the NB-IoT system to the terminal equipment of the NR system by using the PRB level indication manner, in order to avoid the NR system using the frequency domain resources of the NB-IoT system.
  • the network device of the NR system needs to indicate the PRB0, PRB1, PRB5, and PRB6 shown in FIG.
  • the NB-IoT system only uses the right half of the PRB0 and PRB5 resources and the PRB1 and The left half of PRB6 resources, but the NR system can not use the left half of PRB0 and PRB5 and the right half of PRB1 and PRB6, thus causing the NR system to not fully utilize the unused carrier resources of the NB-IoT system.
  • the subcarriers of the NR system and the subcarriers of the NB-IoT system are aligned.
  • the network device of the NR system indicates the frequency domain location of the subcarriers of the NB-IoT system to the terminal device of the NR system
  • the terminal device of the NR system The location of multiple subcarriers occupied by the NB-IoT system in the frequency domain can be accurately determined, and the NR system can fully utilize the unused carrier resources of the NB-IoT system by reducing the indication granularity.
  • the first information includes time domain information for determining a channel to which the NB-IoT system is mapped.
  • the content indicated by the first information is different according to the content included in the time domain information, and may be specifically classified into the following three types:
  • the first type time domain information at the sub-frame level.
  • the time domain information of the subframe level is used to determine the information of the NPSS signal, the NSSS signal, and the subframe occupied by the NPBCH in the time domain.
  • the content included in the first information may include, but is not limited to, the following two situations:
  • the first case the network device of the NR system carries the NPSS signal, the NSSS signal, and the subframe occupied by the NPBCH in the time domain of the NR system in the first information.
  • the first information may include a bit map for indicating a channel of the NB-IoT system mapped on each subframe of the NR system for a period of time, for example, 5 ms, 10 ms, 20 ms, 40 ms. .
  • One bit in the bitmap corresponds to a time unit, and the time unit may include an integer number of OFDM symbols, time slots, mini-slots, subframes, frames, or transmission time intervals, etc., specifically, the time unit is one.
  • the frame and the bitmap indicate the subframe occupancy of the NR system within 10 ms. For example, the bitmap is “1000010001”.
  • the value of the bit When the value of the bit is 1, it indicates that the subframe corresponding to the bit maps the NPSS signal, the NSSS signal, and the NPBCH of the NB-IoT system. Any one of the bits, when the value of the bit is 0, indicates that the subframe corresponding to the bit does not map the channel of the NB-IoT system.
  • the second case the network device of the NR system carries the offset of the SFN number of the NB-IoT carrier relative to the NR carrier SFN number and the subframe number of the NB-IoT carrier relative to the NR carrier subframe number in the first information. Offset information.
  • the network device of the NR system determines that the SFN1 of the NR system, the subframe 0 corresponds to the SFN0 of the NB-IoT system, the subframe 0, and the NPSS signal, the NSSS signal, and the NPBCH subframe of the NB-IoT system are sub-frames.
  • the value of +1024) mod 1024 (which can also be modulo 2, because one NSSS appears in every two system frames of NSSS), the offset of the NB-IoT carrier subframe number relative to the NR subframe number is zero.
  • the NR notifies the two offset information to the terminal device of the NR system, so that the terminal device of the NR system can determine the subframe 0 mapping NPSS and the subframe 5 mapping NPBCH in the SF with the SFN number as an even number according to the information, and the subframe 1 to 4, 6 to 9 may map NPDSCH/NPDCCH; subframes 0/5/9 in the SF with an odd number of SFNs map NPSS/NSSS/NPBCH respectively, and the remaining subframes in all SFs included in the NR system may be Map NPDSCH/NPDCCH.
  • the network device of the NR system notifies the terminal device of the NR system through the information of the NB-IoT carrier subframe level, so that the terminal device of the NR system can determine the NPSS/NSSS/NPBCH channel mapping on the subframe corresponding to the NR, due to the NPSS.
  • the signal, the NSSS signal, and the NPBCH are mapped from the 4th OFDM symbol on each subframe. Therefore, the NR system can utilize the NPSS signal, the NSSS signal, and the NPBCH to map the NR in the first 3 OFDM symbols in the subframe corresponding to the NR carrier. Signal/channel.
  • the symbol-level time domain information may include information of the start OFDM symbols of the NPDCCH and the NPDSCH mapping, and the first information is further used to indicate information of the start OFDM symbols of the NPDCCH and the NPDSCH mapping.
  • information about the starting OFDM symbol mapped by the NPDCCH and the NPDSCH in the subframe may be indicated by two bits of the first information, and the value of the bit may be 0-3, for example, when the bit is taken A value of 0 indicates that the starting OFDM symbol mapped by the NPDCCH and the NPDSCH in the subframe is the first OFDM symbol.
  • the network device of the NR system indicates the initial OFDM symbol mapped by the NPDCCH and the NPDSCH to the terminal device of the NR system, and the initial OFDM symbol mapped by the NPDCCH and the NPDSCH occupies the subframe 1-4 and the subframe on each SF.
  • the NR system may utilize resources corresponding to symbols preceding the starting OFDM symbol mapped by the NPDCCH and the NPDSCH.
  • the third type the time domain information includes the time domain information of the sub-frame level and the time domain information of the symbol level, that is, the third type is a combination of the foregoing two, and the content of the first information may be the set of the foregoing two types. This will not be repeated here.
  • the first information is also used to indicate information of the NB of the NB-IoT carrier for transmitting the NRS.
  • the information of the RE for transmitting the NRS includes the number of antenna ports of the NB-IoT system and the frequency domain location of the NRS.
  • the frequency domain location may have the following two indication modes:
  • the first way may be the location of the subcarriers of the NB-IoT system mapped by the NRS in one slot.
  • the NRS is mapped on the first subcarrier, the fourth subcarrier, the seventh subcarrier, and the tenth subcarrier of the NB-IoT system.
  • the second mode is an offset of the initial subcarrier mapped by the NRS relative to the preset frequency domain location.
  • the preset frequency domain location is the starting subcarrier of the NB-IoT system
  • the offset is the offset of the starting subcarrier mapped by the NRS with respect to the starting subcarrier. In FIG. 8, the The offset is 0.
  • the information of the RE for transmitting the NRS may include only the frequency domain position of the NRS on one subframe.
  • the first information may also include the foregoing three contents, that is, the frequency domain location for determining the frequency domain location occupied by the 12 subcarriers of the NB-IoT carrier, and the frequency domain location and NPSS signal of one of the 12 subcarriers of the system.
  • the network device of the NR system can also indicate using the specific information agreed with the terminal device of the NR system.
  • the specific information may include a calculation for calculating a pre-defined subcarrier of the 12 subcarriers of the NB-IoT system with respect to an offset from the NR system, the fifth subcarrier of the predefined subcarrier NB-IoT system,
  • the 6 subcarriers, the 10th subcarrier, or the 11th subcarrier, and the like may further include information for indicating an initial OFDM symbol mapped by the NPDCCH and the NPDSCH, and the information of the initial OFDM symbol may indicate any one of 0-3.
  • the value may further include information indicating the offset of the NPSS signal, the NSSS signal, and the subframe occupied by the NPBCH in the time domain, and the offset may be any one of 0-9. For example, when the offset of the subframe occupied by the NPSS signal in one SF is represented, the value is 0.
  • the network device of the NR system When the NR system shares the carrier resources with the LTE system and the NB-IoT system, if the LTE system needs to use the shared carrier resource to transmit the CRS, the network device of the NR system needs to indicate to the terminal device of the NR system that the CRS of the LTE system is The resources of the RE occupied in the subframe. For example, the network device of the NR system notifies the bandwidth of the carrier of the LTE system, the location of the central subcarrier of the LTE system, the number of antenna ports of the CRS of the LTE system, and the offset of the CRS of the LTE system in the frequency domain.
  • the first information may be carried in the information indicating that the network device of the NR system indicates the CRS of the LTE system to the terminal device of the NR system.
  • the bandwidth of the bandwidth is one PRB, which is denoted as N1, and when the value of the indicated LTE system bandwidth is N1, It means that the configuration information in the information is for the NB-IoT system.
  • the network device of the NR system indicates the CRS of the LTE system to the terminal device of the NR system
  • the NSSS signal and the information about the offset of the subframe occupied by the NPBCH in the time domain in the SF are the same as those in the dedicated command, and are not described here.
  • Step 205 The terminal device of the NR system determines, according to the first information, a frequency domain resource of the NB-IoT system and a time-frequency resource occupied by the NB-IoT system when performing channel mapping.
  • the terminal device of the NR system can separately determine the time domain resource and/or the frequency domain resource of the NB-IoT system according to the first information, and the specific determining method is the foregoing step 201, step 202, and step. The reverse process of 203 will not be repeated here.
  • the terminal device determines the time domain resource and/or the frequency domain resource of the NB-IoT system, it is determined that the resource other than the time domain resource and/or the frequency domain resource of the NB-IoT system in the NR system is the network device of the NR system.
  • the first information includes the frequency domain resources corresponding to the 12 subcarriers of the NB-IoT system, and the terminal device determines, among the carrier resources of the NR system, resources other than the frequency domain resources corresponding to the 12 subcarriers of the NB-IoT system, which is NR.
  • the method for determining the resources of the network device of the NR system for the terminal device is the same as the foregoing, and details are not described herein again.
  • the method in the embodiment of the present application further includes:
  • Step 206 The network device of the NR system sends the second information to the terminal device of the NR system, and the terminal device of the NR system receives the second information.
  • the second information is used to indicate that the frequency domain resource mapped by the NB-IoT system is determined in units of subcarriers in one time unit, or is used to indicate that the unit is RE in one time unit.
  • the time unit may be a subframe or a time slot or a minislot, etc., and is not limited herein. In the following description, one time unit is used as an example of a sub-frame.
  • the NB-IoT system maps any channel in the carrier of the NB-IoT system, that is, the NB-IoT system maps any one or more of the NPBCH, the NSCH, the NPDCCH, and the NPDSCH in the carrier of the NB-IoT system
  • the value of the second information in the subframe corresponding to the channel may be 1, indicating that the NB-IoT system has a mapping channel on the subframe, and further indicating that the terminal device of the NR system determines the NB in the subcarrier unit in the subframe.
  • the network device of the NR system determines that the starting OFDM symbol of each channel in the subframe to which the channel is mapped is the fourth OFDM symbol, and when the value of the second information in the subframe corresponding to the channel is 1, Then, the network device of the NR system determines that 11 OFDM symbols starting from the 4th OFDM symbol of each subcarrier are resources mapped by the NB-IoT system in the subframe.
  • the value of the second information in the subframe corresponding to the channel can be 0, indicating that the NB-IoT system There is no mapping channel on the subframe, thereby instructing the terminal device of the NR system to determine the frequency domain resource of the NB-IoT system in units of REs within the subframe.
  • the network device of the NR system determines that the resource of the RE for transmitting the NRS is a resource corresponding to the NRS pattern shown in FIG.
  • the network device of the NR system determines, in each slot of the subframe, the RE resource corresponding to the sixth OFDM symbol on the first subcarrier, and the RE resource corresponding to the seventh OFDM symbol on the fourth subcarrier,
  • the RE resource corresponding to the 6th OFDM symbol on the 7th subcarrier and the RE resource corresponding to the 7th OFDM symbol on the 10th subcarrier are resources mapped by the NB-IoT system in the subframe.
  • the second information may correspond to each subframe of the NR system, that is, one subframe corresponds to one having second information; the second information may also correspond to several subframes of the NR system, that is, one second information includes multiple
  • the information of the subframes used to determine the frequency domain resources to which the NB-IoT system is mapped is determined, for example, which unit of each subframe including the SF in the second information determines the frequency mapped by the NB-IoT system.
  • the information of the domain resource, and the information of each subframe corresponds to one bit.
  • the terminal device of the NR system determines that the SFN1 of the NR system, the subframe 0 corresponds to the SFN0 of the NB-IoT system, and the subframe 0, the NB-IoT system starts mapping the channel from the second SF of the NR system, and The first subframe in each SF is used to map NPSS signals, the fifth subframe is used to map NPBCH, the 9th subframe is used to map NSSS signals, and NPDCCH and NPDSCH are started from the 3rd OFDM symbol of each subframe.
  • the mapping when the information included in the second information is "SFN1: 1001010011", indicates the first subframe, the fourth subframe, the sixth subframe, the ninth subframe, and the tenth subframe of the second SF in the NR system.
  • There is a mapping channel on the frame so that the frequency domain resources mapped by the NB-IoT system are determined in units of subcarriers in the subframes, and the terminal device of the NR system determines that the NPSS is mapped on the first subframe by the foregoing process.
  • the signal, the NPSS signal is mapped from the 4th OFDM symbol of the subframe, so the terminal device of the NR system determines that the first subframe of the second SF of the NR system is within the first three symbols in the time domain.
  • the frequency domain resources of the carrier of the entire NB-IoT system are used.
  • the terminal device of the NR system determines that the second subframe is used for mapping the NPDCCH, and the value of the bit corresponding to the second subframe is 0. Therefore, the NPDCCH is not mapped in the subframe.
  • the terminal device of the NR system determines that the RE resource other than the RE that maps the NRS can be used in the second subframe, and the determination manner of the other subframes is the same as that of the first subframe and the second subframe, and details are not described herein again.
  • the network device of the NR system can indicate to the terminal device of the NR system a time-frequency resource occupied by the NB-IoT system in one subframe or time slot or mini-slot.
  • the second information may be the downlink control information DCI.
  • the second information can be located in a certain domain in the DCI, and the NB-IoT system and the NR system can dynamically share the carrier resources through the DCI.
  • step 206 is not mandatory.
  • Step 207 The terminal device of the NR system determines, according to the second information, a time-frequency resource occupied by the NB-IoT system in each time unit.
  • the method for the terminal device of the NR system to determine the time-frequency resource occupied by the NB-IoT system in each time unit is the same as that described in step 205, and details are not described herein again.
  • step 207 is an optional step, that is, it is not necessary to perform.
  • the terminal device of the NR may not perform step 207.
  • the terminal device of the NR system determines the time domain resource and the frequency domain resource occupied by the NB-IoT system, it is determined that the network device configured by the NR system is the terminal device configured by the NR system, and the carrier of the NB-IoT system is NB-IoT. Time domain resources and resources outside the frequency domain resources occupied by the system.
  • the terminal device of the NR system determines the time domain resource and the frequency domain resource occupied by the NB-IoT system through the information transmitted by the network device of the NR system.
  • the terminal device of the NR system may only need to determine one of the time domain resources occupied by the NB-IoT system and the frequency domain resources through the network device of the NR system, for example, the terminal device of the NR system is predetermined.
  • the time domain resources occupied by the NB-IoT system the terminal equipment of the NR system only needs to determine the frequency domain resources of the NB-IoT system through the network equipment of the NR system; or the terminal equipment of the NR system predetermines the occupation of the NB-IoT system.
  • the frequency domain resource, the terminal device of the NR system only needs to determine the time domain resource of the NB-IoT system through the network device of the NR system. Therefore, the embodiment of the present application further provides three other resource configuration methods.
  • FIG. 12 is another resource configuration method provided by an embodiment of the present application. The method is described as follows:
  • Step 1201 The network device of the NR system determines the frequency domain location of the M subcarriers.
  • the M subcarriers are subcarriers mapped by the NB-IoT system.
  • Step 1202 The network device of the NR system sends the first information to the terminal device of the NR system, and the terminal device of the NR system receives the first information.
  • the first information is used to determine a frequency domain position of N subcarriers of 12 subcarriers of the NB-IoT system, where N is a positive integer equal to or less than M.
  • Step 1203 The terminal device of the NR system determines the frequency domain resource of the NB-IoT system according to the first information.
  • Step 1201 is the same as step 201
  • step 1202 is the same as step 204
  • step 1203 is the same as step 205, and details are not described herein again.
  • the network device configured by the NR system is the resource configured by the terminal device of the NR system according to the frequency domain resource.
  • the method before step 1202, the method further includes:
  • Step 1204 The network device of the NR system determines the resource location of the NRS of the NB-IoT system.
  • the first information in step 1202 also includes information for determining a resource location of the NRS.
  • Step 1204 is the same as step 203, and details are not described herein again.
  • the embodiment shown in FIG. 13 further includes:
  • Step 1205 The network device of the NR system sends the second information to the terminal device of the NR system, and the terminal device of the NR system receives the second information.
  • the second information is used to indicate that the frequency domain resource mapped by the NB-IoT system is determined in units of subcarriers in one time unit, or is used to indicate that the unit is RE in one time unit.
  • the time unit may be a subframe or a time slot or a minislot, etc., and is not limited herein.
  • Step 1206 The terminal device of the NR system determines, according to the second information, a time-frequency resource occupied by the NB-IoT system in each time unit.
  • Step 1205 is the same as step 206, and step 1206 is the same as step 207, and details are not described herein again.
  • FIG. 13 is another resource configuration method provided by an embodiment of the present application. The method is described as follows:
  • Step 1301 The network device of the NR system determines the NPSS signal, the NSSS signal, and the information of the subframe occupied by the NPBCH in the time domain.
  • Step 1302 The network device of the NR system sends the first information to the terminal device of the NR system, and the terminal device of the NR system receives the first information.
  • the first information is used to determine the NPSS signal of the NB-IoT system, the NSSS signal, and the information of the subframe occupied by the NPBCH in the time domain.
  • Step 1303 The terminal device of the NR system determines the time domain resource of the NB-IoT system according to the first information.
  • Step 1301 is the same as step 202
  • step 1302 is the same as step 204
  • step 1303 is the same as step 205, and details are not described herein again.
  • the network device configured by the NR system is the resource configured by the terminal device of the NR system according to the time domain resource.
  • the method further includes:
  • Step 1304 The network device of the NR system determines the resource location of the NRS of the NB-IoT system.
  • the first information in step 1302 also includes information for determining a resource location of the NRS.
  • Step 1304 is the same as step 203, and details are not described herein again.
  • the embodiment shown in FIG. 14 further includes:
  • Step 1305 The network device of the NR system sends the second information to the terminal device of the NR system, and the terminal device of the NR system receives the second information.
  • the second information is used to indicate that the frequency domain resource mapped by the NB-IoT system is determined in units of subcarriers in one time unit, or is used to indicate that the unit is RE in one time unit.
  • the time unit may be a subframe or a time slot or a minislot, etc., and is not limited herein.
  • Step 1306 The terminal device of the NR system determines, according to the second information, a time-frequency resource occupied by the NB-IoT system in each time unit.
  • Step 1305 is the same as step 206, and step 1306 is the same as step 207, and details are not described herein again.
  • FIG. 14 is another resource configuration method provided by an embodiment of the present application. The method is described as follows:
  • Step 1401 The network device of the NR system determines information of the initial OFDM symbol mapped by the NPDCCH and the NPDSCH.
  • Step 1402 The network device of the NR system sends the first information to the terminal device of the NR system, and the terminal device of the NR system receives the first information.
  • the first information is used to determine information of an initial OFDM symbol mapped by the NPDCCH and the NPDSCH.
  • Step 1403 The terminal device of the NR system determines the time domain resource of the NB-IoT system according to the first information.
  • the content of the step 1401 is the same as that of the step 202.
  • the content of the step 1402 is the same as the corresponding content of the step 204.
  • the content of the step is the same as that of the step 205, and details are not described herein again.
  • the network device configured by the NR system is the resource configured by the terminal device of the NR system according to the time domain resource.
  • the method further includes:
  • Step 1404 The network device of the NR system determines the resource location of the NRS of the NB-IoT system.
  • the first information in step 1402 also includes information for determining a resource location of the NRS.
  • Step 1404 is the same as step 203, and details are not described herein again.
  • the embodiment shown in FIG. 15 further includes:
  • Step 1405 The network device of the NR system sends the second information to the terminal device of the NR system, and the terminal device of the NR system receives the second information.
  • the second information is used to indicate that the frequency domain resource mapped by the NB-IoT system is determined in units of subcarriers in one time unit, or is used to indicate that the unit is RE in one time unit.
  • the time unit may be a subframe or a time slot or a minislot, etc., and is not limited herein.
  • Step 1406 The terminal device of the NR system determines, according to the second information, a time-frequency resource occupied by the NB-IoT system in each time unit.
  • Step 1405 is the same as step 206, and step 1406 is the same as step 207, and details are not described herein again.
  • the method provided by the embodiment of the present application is introduced from the perspective of interaction between the network device, the terminal device, and the network device and the terminal device.
  • the network device and the terminal device may include a hardware structure and/or a software module, and implement the foregoing functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • One of the above functions is performed in a hardware structure, a software module, or a hardware structure plus a software module, depending on the specific application and design constraints of the technical solution.
  • FIG. 15 shows a schematic structural view of a device 1500.
  • the device 1500 can be a network device, and can implement the function of the network device in the method provided by the embodiment of the present application.
  • the device 1500 can also be a device that can support the network device to implement the function of the network device in the method provided by the embodiment of the present application.
  • the device 1500 can be a hardware structure, a software module, or a hardware structure plus a software module.
  • Device 1500 can be implemented by a chip system. In the embodiment of the present application, the chip system may be composed of a chip, and may also include a chip and other discrete devices.
  • Apparatus 1500 can include a determination module 1501 and a communication module 1502.
  • the determining module 1501 may be configured to perform any one of step 201, step 202, and step 203 in the embodiment shown in FIG. 2, or perform any one of step 1201 and step 1204 in the embodiment shown in FIG. Steps, or performing any one of step 1301 and step 1304 in the embodiment shown in FIG. 13, or performing any one of step 1401 and step 1404 in the embodiment shown in FIG. 14, and/or Other processes that support the techniques described herein.
  • the communication module 1502 is configured to perform step 204 or step 206 in the embodiment shown in FIG. 2 for performing step 1202 or step 1205 in the embodiment shown in FIG. 12, or for performing the embodiment shown in FIG. Step 1302 or step 1305, or for performing step 1402 or step 1405 in the embodiment shown in FIG. 14, and/or other processes for supporting the techniques described herein.
  • Communication module 1502 is for device 1500 to communicate with other modules, which may be circuits, devices, interfaces, buses, software modules, transceivers, or any other device that can implement communication.
  • FIG. 16 shows a schematic structural view of a device 1600.
  • the device 1600 can be a terminal device, and can implement the function of the terminal device in the method provided by the embodiment of the present application.
  • the device 1600 can also be a device that can support the terminal device to implement the function of the terminal device in the method provided by the embodiment of the present application.
  • the device 1600 can be a hardware structure, a software module, or a hardware structure plus a software module.
  • Device 1600 can be implemented by a chip system.
  • Apparatus 1600 can include a communication module 1601 and a determination module 1602.
  • the communication module 1601 can be configured to receive information transmitted by the network device in the embodiments illustrated in FIGS. 2, 12, 13, and 14.
  • the determining module 1602 is configured to perform step 205 or step 207 in the embodiment shown in FIG. 2 for performing step 1203 or step 1206 in the embodiment shown in FIG. 12, or for performing the embodiment shown in FIG. Step 1303 or step 1306, or for performing step 1403 or step 1406 in the embodiment shown in FIG. 14, and/or other processes for supporting the techniques described herein. All the related content of the steps involved in the foregoing method embodiments may be referred to the functional descriptions of the corresponding functional modules, and details are not described herein again.
  • each functional module in each embodiment of the present application may be integrated into one processing. In the device, it can also be physically existed alone, or two or more modules can be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the device 1700 is provided in the embodiment of the present application.
  • the device 1700 can be a network device, and can implement the function of the network device in the method provided by the embodiment of the present application.
  • the device 1700 can also support the network device to implement the present invention.
  • the device 1700 can be a chip system.
  • the chip system may be composed of a chip, and may also include a chip and other discrete devices.
  • the device 1700 includes at least one processor 1720 for implementing or for supporting the device 1700 to implement the functions of the network device in the method provided by the embodiment of the present application.
  • the processor 1720 can generate and transmit first information, second information, and the like.
  • the processor 1720 is configured to determine a frequency domain location of the M subcarriers, the M subcarriers being a narrowband Internet of Things NB-IoT The subcarrier to which the system is mapped, the processor 1720 is further configured to generate and send the first information, where the first information is used to determine a frequency of N subcarriers of the M subcarriers to which the narrowband IoT NB-IoT system is mapped
  • the processor 1720 is configured to determine a frequency domain location of the M subcarriers, the M subcarriers being a narrowband Internet of Things NB-IoT The subcarrier to which the system is mapped, the processor 1720 is further configured to generate and send the first information, where the first information is used to determine a frequency of N subcarriers of the M subcarriers to which the narrowband IoT NB-IoT system is mapped
  • Apparatus 1700 can also include at least one memory 1730 for storing program instructions and/or data.
  • Memory 1730 is coupled to processor 1720.
  • the coupling in the embodiments of the present application is an indirect coupling or communication connection between devices, units or modules, and may be in an electrical, mechanical or other form for information interaction between devices, units or modules.
  • Processor 1720 may operate in conjunction with memory 1730.
  • the processor 1720 may execute program instructions stored in the memory 1730. At least one of the at least one memory may be included in a processor.
  • the device 1700 can also include a communication interface 1710 for communicating with other devices through the transmission medium such that devices for use in the device 1700 can communicate with other devices.
  • the other device may be a terminal device.
  • the processor 1720 can transmit and receive data using the communication interface 1710.
  • connection medium between the communication interface 1710, the processor 1720, and the memory 1730 is not limited in the embodiment of the present application.
  • the memory 1730, the processor 1720, and the communication interface 1710 are connected by a bus 1740 in FIG. 17, and the bus is indicated by a thick line in FIG. 17, and the connection manner between other components is only schematically illustrated. , not limited to.
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 17, but it does not mean that there is only one bus or one type of bus.
  • the processor 1720 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 a transistor logic device, and a discrete hardware component. Or the methods, steps, and logic blocks disclosed in the embodiments of the present application are executed.
  • a general purpose processor can be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the memory 1730 may be a non-volatile memory, such as a hard disk drive (HDD) or a solid-state drive (SSD), or a volatile memory.
  • a non-volatile memory such as a hard disk drive (HDD) or a solid-state drive (SSD), or a volatile memory.
  • RAM random access memory
  • a memory is any other medium that can be used to carry or store desired program code in the form of an instruction or data structure and 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 implementing a storage function for storing program instructions and/or data.
  • the device 1800 is provided in the embodiment of the present application.
  • the device 1800 may be a terminal device, which can implement the function of the terminal device in the method provided by the embodiment of the present application.
  • the device 1800 can also support the terminal device to implement the device.
  • the device 1800 can be a chip system.
  • the chip system may be composed of a chip, and may also include a chip and other discrete devices.
  • the device 1800 includes at least one processor 1820 for implementing or for supporting the device to implement the functions of the terminal device in the method provided by the embodiment of the present application.
  • the processor 1820 can receive and process the first information, the second information, and the like.
  • the processor 1820 is configured to receive the first information, and determine, according to the first information, that the narrowband IoT NB-IoT system is mapped to For the frequency domain location of the N subcarriers, the first information is used to indicate the location of the frequency domain.
  • the processor 1820 can receive and process the first information, the second information, and the like.
  • the processor 1820 is configured to receive the first information, and determine, according to the first information, that the narrowband IoT NB-IoT system is mapped to For the frequency domain location of the N subcarriers, the first information is used to indicate the location of the frequency domain.
  • Apparatus 1800 can also include at least one memory 1830 for storing program instructions and/or data.
  • Memory 1830 is coupled to processor 1820.
  • the coupling in the embodiments of the present application is an indirect coupling or communication connection between devices, units or modules, and may be in an electrical, mechanical or other form for information interaction between devices, units or modules.
  • Processor 1820 may operate in conjunction with memory 1830.
  • Processor 1820 may execute program instructions stored in memory 1830. At least one of the at least one memory may be included in a processor.
  • the device 1800 can also include a communication interface 1810 for communicating with other devices via a transmission medium such that devices for use in the device 1800 can communicate with other devices.
  • the other device may be a terminal device.
  • the processor 1820 can transmit and receive data by using the communication interface 1810, and can implement the method performed by the terminal device described in the embodiments corresponding to FIGS. 2 to 14.
  • connection medium between the communication interface 1810, the processor 1820, and the memory 1830 is not limited in the embodiment of the present application.
  • the memory 1830, the processor 1820, and the communication interface 1810 are connected by a bus 1840 in FIG. 18.
  • the bus is indicated by a thick line in FIG. 18, and the connection manner between other components is only schematically illustrated. , not limited to.
  • the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 18, but it does not mean that there is only one bus or one type of bus.
  • the processor 1820 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 a transistor logic device, and a discrete hardware component. Or the methods, steps, and logic blocks disclosed in the embodiments of the present application are executed.
  • a general purpose processor can be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the memory 1830 may be a non-volatile memory, such as a hard disk drive (HDD) or a solid-state drive (SSD), or a volatile memory.
  • a non-volatile memory such as a hard disk drive (HDD) or a solid-state drive (SSD), or a volatile memory.
  • RAM random access memory
  • a memory is any other medium that can be used to carry or store desired program code in the form of an instruction or data structure and 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 implementing a storage function for storing program instructions and/or data.
  • a computer readable storage medium including instructions, when executed on a computer, causes the computer to perform the method performed by the network device described in FIG. 2 or FIG. 12 or FIG. 13 or FIG.
  • a computer readable storage medium is also provided in the embodiment of the present application, including instructions, when executed on a computer, causing the computer to execute the method performed by the terminal device in FIG. 2 or FIG. 12 or FIG. 13 or FIG.
  • the embodiment of the present application provides a chip system, which includes a processor, and may further include a memory for implementing the functions of the network device in the foregoing method.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the embodiment of the present application provides a chip system, which includes a processor, and may further include a memory for implementing the functions of the terminal device in the foregoing method.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the embodiment of the present application provides a system, where the system includes the foregoing network device, and the foregoing terminal device.
  • the method provided by the embodiment of the present application may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software When implemented in software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, the processes or functions described in accordance with embodiments of the present invention are generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, a network device, a user device, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transmission to another website site, computer, server or data center via wired (eg coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (eg infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a digital video disc (DVD)), or a semiconductor medium (for example, an SSD) or the like.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a digital video disc (DVD)
  • a semiconductor medium for example, an SSD

Abstract

L'invention concerne un procédé et un dispositif de configuration de ressources, et le procédé comprend les étapes consistant à : déterminer des emplacements de domaine fréquentiel d'un nombre M de sous-porteuses, les M sous-porteuses étant des sous-porteuses auxquelles un système NB-IoT est mappé ; et transmettre des premières informations, les premières informations étant utilisées pour déterminer des emplacements de domaine fréquentiel d'un nombre N de sous-porteuses dans les M sous-porteuses, M et N étant des nombres entiers positifs, et M étant supérieur ou égal à N.
PCT/CN2019/072311 2018-02-14 2019-01-18 Procédé et dispositif de configuration de ressources WO2019157903A1 (fr)

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