WO2020181441A1 - Procédé, dispositif et système de communication - Google Patents

Procédé, dispositif et système de communication Download PDF

Info

Publication number
WO2020181441A1
WO2020181441A1 PCT/CN2019/077569 CN2019077569W WO2020181441A1 WO 2020181441 A1 WO2020181441 A1 WO 2020181441A1 CN 2019077569 W CN2019077569 W CN 2019077569W WO 2020181441 A1 WO2020181441 A1 WO 2020181441A1
Authority
WO
WIPO (PCT)
Prior art keywords
carrier
different
reference signal
synchronization signal
data
Prior art date
Application number
PCT/CN2019/077569
Other languages
English (en)
Chinese (zh)
Inventor
罗之虎
毕文平
金哲
程型清
米翔
苏俞婉
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2019/077569 priority Critical patent/WO2020181441A1/fr
Priority to CN201980087987.6A priority patent/CN113261320B/zh
Publication of WO2020181441A1 publication Critical patent/WO2020181441A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
    • H04W16/04—Traffic adaptive resource partitioning

Definitions

  • This application relates to the field of communication technology, in particular to communication methods, devices and systems.
  • the Internet of Things is the "Internet of Things”. It extends the user end of the Internet to any item and item, enabling information exchange and communication between any item and item.
  • This communication method is also called machine type communications (MTC).
  • MTC machine type communications
  • the communication node is called MTC terminal or MTC device.
  • Typical IoT applications include smart grids, smart agriculture, smart transportation, smart homes, and environmental detection.
  • Low power wide area refers to a low-power wide area network.
  • LPWA has the three characteristics of long-distance communication, low-rate data transmission and low power consumption, so it is very suitable for those who transmit and communicate data over long distances.
  • Low-volume IoT applications that require battery power for long-term operation.
  • narrowband internet of things NB-IoT
  • eMTC enhanced machine type communication
  • IoT technology is now widely used.
  • LPWA's IoT applications there are also some services that LPWA's IoT applications cannot satisfy, such as high-speed services, high-reliability and low-latency services, and real-time tracking services.
  • the embodiments of the present application provide communication methods, devices, and systems, which can flexibly support IoT applications with different requirements.
  • a communication method includes: a first device receives configuration information from a second device on a first carrier; the first device determines a frequency domain resource corresponding to the second carrier according to the configuration information ; The first device receives data or the signaling on the second carrier; and/or, the first device transmits data or signaling on the second carrier; wherein, the second carrier satisfies one of the following characteristics
  • the first reference signal carried on the second carrier has different characteristics from the second reference signal carried on the first carrier; or, the modulation mode of the data or signaling corresponding to the second carrier is different from that of the second carrier
  • the modulation mode of data or signaling corresponding to one carrier is different; or, the coding mode of data or signaling corresponding to the second carrier is different from the coding mode of data or signaling corresponding to the first carrier; or, the second carrier
  • the corresponding frame structure is different from the frame structure corresponding to the first carrier; or, the duplex mode corresponding to the second carrier is different from the du
  • the power control mode is different; or, the paging discontinuous reception period on the second carrier is different from the paging discontinuous reception period on the first carrier.
  • the method further includes: the first device receives instruction information from the second device, the instruction information is used to indicate the time and frequency that is allowed to be used by the third device but cannot be used by the first device Resources, where the second carrier supports the configuration of the time-frequency resources, the third device and the first device have different types, and/or the third device and the first device support different capabilities. Since the second carrier can also support the configuration of time-frequency resources that are allowed to be used by the third device but cannot be used by the first device, it can be used for forward compatibility. Among them, assuming that the first device is a terminal device and the second device is a network device, forward compatibility can be understood as supporting the configuration of time-frequency resources that cannot be used by the current version of the network device on the second carrier. These time-frequency resources can be used Use in the subsequent evolution version of network equipment to ensure that the stock terminal equipment can access the network.
  • the method further includes: the first device receives a first synchronization signal, a paging message, a paging random access response message, and a user equipment UE from the second device on the second carrier. Apply for one or more of system information or multicast messages.
  • the characteristics of the first synchronization signal and the second synchronization signal carried on the first carrier are different. Since in the embodiment of the present application, the second device can send synchronization signals to the first device on different carriers of the same communication system, the synchronization performance of the system can be improved.
  • the characteristics of the first synchronization signal and the second synchronization signal carried on the first carrier are different, including: the sequence of the synchronization signal, the resource mapping position of the synchronization signal, and the step size of the synchronization signal search Or one or more of the types of synchronization signals are different.
  • the method further includes: the first device sends one or more of a random access preamble, a sounding reference signal, or a demodulation reference signal to the second device on the second carrier, wherein, the random access preamble is different from the random access preamble carried on the first carrier; the sounding reference signal is different from the sounding reference signal carried on the first carrier; the demodulation reference signal is different from the first carrier The demodulation reference signal carried on it is different.
  • the method further includes: the first device receives downlink control information DCI from the second device on the first carrier or on the second carrier; and the first device according to the second carrier The bandwidth determines the number of bits occupied by the resource allocation field in the DCI.
  • a communication method includes: a second device determines a frequency domain resource corresponding to a second carrier, and the second device sends configuration information to the first device on the first carrier, and the configuration information is used to determine The frequency domain resource corresponding to the second carrier, the second device sends data or the signaling on the second carrier; and/or, the second device receives data or signaling on the second carrier; wherein, the second device The second carrier meets one or more of the following characteristics: the first reference signal carried on the second carrier has different characteristics from the second reference signal carried on the first carrier; or, the data corresponding to the second carrier or The modulation mode of signaling is different from the modulation mode of data or signaling corresponding to the first carrier; or, the coding mode of data or signaling corresponding to the second carrier is different from the coding mode of data or signaling corresponding to the first carrier.
  • the frame structure corresponding to the second carrier is different from the frame structure corresponding to the first carrier; or, the duplex mode corresponding to the second carrier is different from the duplex mode corresponding to the first carrier; or, the first carrier
  • the maximum number of repetitions supported by the second carrier is different from the maximum number of repetitions supported by the first carrier; or, the power control parameter on the second carrier is different from the power control parameter on the first carrier; or, the The power control mode is different from the power control mode on the first carrier; or, the paging discontinuous reception period on the second carrier is different from the paging discontinuous reception period on the first carrier.
  • the method further includes: the second device sends instruction information to the first device, the instruction information is used to indicate time-frequency resources that are allowed to be used by the third device but cannot be used by the first device , Wherein the second carrier supports the configuration of the time-frequency resource, the third device and the first device have different categories, and/or the capabilities supported by the third device and the first device are different.
  • the method further includes: the second device sending a first synchronization signal, a paging message, a paging random access response message, and a user equipment UE application to the first device on the second carrier One or more of system information or multicast messages.
  • the characteristics of the first synchronization signal and the second synchronization signal carried on the first carrier are different.
  • the characteristics of the first synchronization signal and the second synchronization signal carried on the first carrier are different, including: the sequence of the synchronization signal, the resource mapping position of the synchronization signal, and the step size of the synchronization signal search Or one or more of the types of synchronization signals are different.
  • the method further includes: the second device receives one or more of a random access preamble, a sounding reference signal, or a demodulation reference signal from the first device on the second carrier , Wherein the random access preamble is different from the random access preamble carried on the first carrier; the sounding reference signal is different from the sounding reference signal carried on the first carrier; the demodulation reference signal is different from the first carrier The demodulation reference signal carried on the carrier is different.
  • the method further includes: the second device sends downlink control information DCI to the first device on the first carrier or on the second carrier, wherein the resource allocation field in the DCI occupies The number of bits is determined according to the bandwidth of the second carrier.
  • the second carrier also satisfies the following characteristics: the difference between the bandwidth of the second carrier and the bandwidth of the first carrier is greater than the set value, and the set The fixed value is a value greater than or equal to 0.
  • the first reference signal carried on the second carrier has different characteristics from the second reference signal carried on the first carrier, including: One or more of the sequence, the manner of generating the sequence of the reference signal, the resource mapping position of the reference signal, the maximum number of ports occupied by the reference signal transmission, the period of the reference signal, or the type of the reference signal is different.
  • the maximum number of ports occupied by the second reference signal transmission carried on the first carrier may be 2, and the maximum number of ports occupied by the first reference signal transmission carried on the second carrier is greater than 2, so that more antennas can be realized Transmit diversity or receive diversity can improve downlink or uplink performance to meet IoT applications with higher coverage performance requirements. At the same time, space division multiplexing can increase system capacity and support more connections.
  • the period of the second reference signal carried on the first carrier may be T1
  • the period of the first reference signal carried on the second carrier may be T2
  • T1 and T2 are different, so that the resource allocation of the reference signal More flexible.
  • the type of the second reference signal carried on the first carrier is a permanently online common reference signal
  • the type of the first reference signal carried on the second carrier is an on-demand reference signal, that is, when there is data scheduling
  • the reference signal is sent, and the reference signal is not sent when there is no data scheduling, so that the power consumption of the second device can be saved, and the IoT application that requires lower power consumption on the second device side can be met.
  • resource allocation can be made more flexible.
  • the first carrier can be designed to support common reference signal demodulation
  • the second carrier can support dedicated demodulation reference signal demodulation, thereby making reference signal transmission and resource allocation more flexible.
  • the category of the first device is different from the category of the fourth device, wherein the fourth device is a device that does not have the ability to receive the configuration information.
  • the first carrier and the second carrier are the carriers of the first communication system, and the first carrier and the second carrier are the carriers of the second communication system.
  • Bandwidth part BWP Bandwidth part
  • the first carrier is an anchor carrier of the first communication system
  • the second carrier is a non-anchor carrier of the first communication system
  • the first carrier is an anchor narrowband of the first communication system
  • the second carrier is a non-anchor narrowband of the first communication system
  • a communication device for implementing the above-mentioned various methods.
  • the communication device may be the first device in the first aspect described above, or a device including the first device described above; or, the communication device may be the second device in the second aspect described above, or a device including the second device described above.
  • the communication device includes a module, unit, or means corresponding to the foregoing method, and the module, unit, or means can be implemented by hardware, software, or hardware execution of corresponding software.
  • the hardware or software includes one or more modules or units corresponding to the above-mentioned functions.
  • a communication device including: a processor and a memory; the memory is used to store computer instructions, and when the processor executes the instructions, the communication device executes the method described in any of the above aspects.
  • the communication device may be the first device in the first aspect described above, or a device including the first device described above; or, the communication device may be the second device in the second aspect described above, or a device including the second device described above.
  • a communication device including: a processor; the processor is configured to couple with a memory, and after reading an instruction in the memory, execute the method according to any of the foregoing aspects according to the instruction.
  • the communication device may be the first device in the first aspect described above, or a device including the first device described above; or, the communication device may be the second device in the second aspect described above, or a device including the second device described above.
  • a computer-readable storage medium stores instructions that, when run on a computer, enable the computer to execute the method described in any of the above aspects.
  • a computer program product containing instructions which when running on a computer, enables the computer to execute the method described in any of the above aspects.
  • a communication device for example, the communication device may be a chip or a chip system
  • the communication device includes a processor for implementing the functions involved in any of the foregoing aspects.
  • the communication device further includes a memory for storing necessary program instructions and data.
  • the communication device is a chip system, it may be composed of chips, or may include chips and other discrete devices.
  • the technical effects brought by any one of the design methods of the third aspect to the eighth aspect can be referred to the technical effects brought about by the different design methods in the first aspect or the second aspect, which will not be repeated here.
  • a communication system which includes the first device described in the foregoing aspect and the second device described in the foregoing aspect.
  • Figure 1a is a schematic diagram of a terminal device with a small bandwidth capability provided in the prior art accessing a large bandwidth network;
  • Figure 1b is a schematic diagram of a terminal device provided by the prior art switching between large and small BWPs;
  • FIG. 2 is a schematic diagram of the architecture of a communication system provided by an embodiment of this application.
  • FIG. 3 is a schematic structural diagram of a terminal device and a network device provided by an embodiment of the application
  • FIG. 4 is a schematic diagram of another structure of a terminal device provided by an embodiment of the application.
  • FIG. 5 is a schematic flowchart of a communication method provided by an embodiment of this application.
  • FIG. 6 is a schematic diagram of the bandwidth of the NB-IoT system and the NR system provided by an embodiment of the application;
  • FIG. 7 is a schematic diagram of the type of the second reference signal carried on the first carrier and the type of the second reference signal carried on the first carrier according to an embodiment of the application;
  • FIG. 8 is a schematic diagram of the resource mapping position of the second reference signal carried on the first carrier and the resource mapping position of the first reference signal carried on the second carrier according to an embodiment of the application;
  • 9 is a schematic diagram 1 of the bandwidth of the second carrier and the bandwidth of the first carrier provided by an embodiment of the application;
  • 10 is a second schematic diagram of the bandwidth of the second carrier and the bandwidth of the first carrier provided by an embodiment of this application;
  • FIG. 11 is a schematic structural diagram of a first device provided by an embodiment of this application.
  • FIG. 12 is a schematic structural diagram of a second device provided by an embodiment of the application.
  • IoT With the development of IoT technology, IoT needs to be applied in a variety of scenarios, such as from outdoor to indoor, from above ground to underground, which puts many special requirements on the design of the Internet of Things.
  • MTC terminals in certain scenarios are used in environments with poor coverage, such as electricity meters and water meters, which are usually installed indoors or even basements and other places with poor wireless network signals, coverage enhancement technologies are needed to solve them.
  • coverage enhancement technologies are needed to solve them.
  • the number of MTC terminals in some scenarios is far greater than the number of devices for human-to-human communication, that is to say, large-scale deployment is required, so it is required to obtain and use MTC terminals at a very low cost.
  • MTC terminals because the data packets transmitted by the MTC terminal in some scenarios are very small and are not sensitive to delay, it is required to support a low-rate MTC terminal. Or, because in most cases, MTC terminals are powered by batteries, but at the same time in many scenarios, MTC terminals are required to be able to be used for more than ten years without replacing batteries, which requires MTC terminals to be able to operate at a very low cost. Power consumption to work.
  • the 3rd generation partnership project (3GPP) of the Mobile Communications Standards Organization adopted a new research topic at the #62 Plenary Session of Radio Access Network (RAN) to study A method to support extremely low complexity and low cost Internet of Things in cellular networks, and was established as an NB-IoT topic at the RAN#69 meeting.
  • the fourth-generation communication system—long term evolution-advanced (LTE-A) will continue to provide wireless communication services for its user equipment (UE) in the short term (or even long term).
  • the eMTC system and the future eMTC further eMTC, FeMTC
  • further eMTC even further eMTC, eFeMTC
  • additional MTC additional MTC
  • AMTC additional MTC
  • the working bandwidth of the terminal device in the eMTC system may generally be small, which is smaller than the working bandwidth of the terminal device in the LTE system.
  • the working bandwidth of a terminal device in an eMTC system may be an NB, an NB includes 6 consecutive physical resource blocks (PRB), and a PRB includes 12 sub-carriers (SC).
  • the eMTC system uses the cell-specific reference signal (CRS), primary synchronization signal (PSS), and secondary synchronization signal (PSS) in the LTE system. , SSS), physical broadcast channel (physical broadcast channel, PBCH), and system information block 1 (system information blocks1-bandwidth reduced, SIB1-BR) that carries important system information with reduced bandwidth.
  • CRS cell-specific reference signal
  • PSS primary synchronization signal
  • PSS secondary synchronization signal
  • SSS physical broadcast channel
  • PBCH physical broadcast channel
  • SIB1-BR system information block 1
  • the NB-IoT definition currently supports two types of terminal devices, namely category (category) NB1 and category (category) NB2 terminal devices.
  • category (category) NB1 and category (category) NB2 terminal devices For a specific description, please refer to 3GPP technical standard (TS) 36.306, which will not be repeated here.
  • TS 3GPP technical standard
  • the downlink physical layer parameters of the terminal devices of category NB1 and category NB2 are shown in Table 1 below
  • the uplink physical layer parameters of the terminal devices of category NB1 and category NB2 are shown in Table 2 below.
  • the maximum number of downlink shared channel (DL-SCH) transmission blocks received in a transmission time interval is 680.
  • TTI transmission time interval
  • the maximum number of bits of a DL-SCH transport block received in one TTI is 680, and the total number of soft channel bits (total number of soft channel bits) is 2112;
  • the maximum number of DL-SCH transport blocks received in one TTI The number of bits is 2536, the maximum number of bits of a DL-SCH transport block received in one TTI is 2536, and the total number of soft channel bits is 6400.
  • the total number of soft channel bits here refers to the total number of soft channel bits that can be used for hybrid automatic repeat request (HARQ) processing. This value does not include the dedicated broadcast HARQ process required for decoding system information The number of soft channel bits. For downlink transmission, the total number of soft channel bits limits the HARQ buffer size of the terminal device.
  • HARQ hybrid automatic repeat request
  • the maximum number of uplink shared channel (DL-SCH) transmission blocks received in one TTI is 1000, and one UL-SCH transmission block received in one TTI
  • the maximum number of bits is 1000; for category NB2 terminal equipment, the maximum number of UL-SCH transport blocks received in one TTI is 2536, and the maximum number of UL-SCH transport blocks received in one TTI is 2536.
  • BWP is a new concept proposed in the (new radio, NR) standard. It is a continuous bandwidth resource configured by the network side for the terminal device, which can realize the flexible configuration of the transmission bandwidth on the network side and the terminal device side.
  • BWP is a concept of terminal device level. Different terminal devices can be configured with different BWPs. The terminal device does not need to know the transmission bandwidth on the network side, but only needs to support the BWP configured to the terminal device.
  • one of the application scenarios of BWP is to connect terminal devices with small bandwidth capabilities to a large bandwidth network; as shown in Figure 1a.
  • Another application scenario of BWP is that terminal devices switch between large and small BWPs to achieve power saving effects, as shown in Figure 1b.
  • the BWP configured when the terminal device is initially accessed is called an initial BWP (initial BWP).
  • the BWP configured in the radio resource control (Radio Resource Control, RRC) connection state is called a dedicated BWP (dedicated BWP), where one or more dedicated BWPs can be configured.
  • the BWP activated by the terminal device at a certain moment in the RRC connected state is called an active BWP (active BWP), and the active BWP is a BWP in the dedicated BWP.
  • a terminal device When a terminal device activates a BWP at a certain moment in the RRC connection state, it can start a BWP inactivity timer (inactivity timer), when the BWP inactivity timer expires, the terminal device returns to a default BWP (default BWP) ,
  • the default BWP is one of the dedicated BWPs.
  • CE mode A coverage enhancement
  • CE mode B coverage enhancement
  • FDD frequency division duplexing
  • the anchor carrier refers to the carrier on which the terminal device assumes the second synchronization signal is transmitted; or the anchor carrier refers to the carrier occupied by the terminal device to perform the initial connection establishment process or initiate the connection re-establishment process, or The carrier indicated as the anchor carrier during the handover.
  • a non-anchor carrier refers to a carrier on which the terminal device assumes no second synchronization signal transmission; or a non-anchor carrier refers to a carrier that can be configured when establishing an RRC connection and can be used to provide additional radio resources Carrier.
  • the second synchronization signal in the embodiment of the present application is a synchronization signal that can be received by a legacy terminal device.
  • Existing terminal equipment should be understood as the terminal equipment of release 16, release 15, release 14, or release 13 for the NB-IoT system; for the eMTC system, it should be understood as the terminal equipment of release 16, release 15, release 14, release 13, or release 12;
  • the LTE system should be understood as release 16, release 15, release 14, release 13, release 12, release 11, release 10, release 9 or release 8 terminal equipment; for the NR system, it should be understood as release 16 or release 15 terminal equipment.
  • narrowband refers to 6 non-overlapping physical resource blocks in the frequency domain.
  • Wideband refers to 4 non-overlapping narrowbands in the frequency domain.
  • the physical resource block occupies 12 consecutive subcarriers in the frequency domain.
  • the number of narrowbands and broadband within a given system bandwidth and the indexing method can refer to Section 5.2.4 and Section 6.2.7 of 3GPP TS 36.211, which will not be repeated here.
  • the anchor narrowband refers to the narrowband where the terminal device assumes the second synchronization signal is transmitted; or the anchor narrowband refers to the narrowband occupied by the terminal device during the initial connection establishment process or initiating the connection re-establishment process, or The narrowband indicated as the anchor point narrowband during the switching process.
  • the non-anchor narrowband refers to the narrowband where the terminal device assumes no second synchronization signal transmission; or the non-anchor narrowband refers to the narrowband that can be configured when establishing an RRC connection and can be used to provide additional radio resources The narrow band.
  • the second synchronization signal please refer to the introduction part of the anchor carrier and the non-anchor carrier, which will not be repeated here.
  • the anchor broadband refers to the broadband that the terminal device assumes that the second synchronization signal is transmitted; or the anchor broadband refers to the broadband occupied by the terminal device to perform the initial connection establishment process or initiate the connection re-establishment process, or The broadband indicated as the anchor point width during the switching process.
  • non-anchor broadband refers to the broadband where the terminal device assumes no second synchronization signal transmission; or non-anchor broadband refers to the broadband that can be configured when establishing an RRC connection and can be used to provide additional wireless resources Broadband.
  • the second synchronization signal please refer to the introduction part of the anchor carrier and the non-anchor carrier, which will not be repeated here.
  • DCI downlink control information
  • the DCI includes a scheduling delay field used to indicate the starting position of a narrowband physical uplink shared channel (NPUSCH), a resource allocation field used to indicate the number of resource units (RU), and Used to indicate the number of repetitions of data.
  • RU includes multiple resource elements (resource elements, RE), RE occupies one single-carrier frequency-division multiple access (SC-FDMA) symbol in the time domain, and one sub-carrier in the frequency domain.
  • Carrier. RU is defined as occupied in the frequency domain Subcarriers, occupied in the time domain Time slots, each time slot includes SC-FDMA symbols.
  • FDD frequency division duplexing
  • TDD time division duplexing
  • TDD time division duplexing
  • each configuration mode in the uplink or downlink configuration supported in Table 4 can be as shown in Table 5, including configuration mode 0 to configuration mode 6, a total of 7 configuration modes, where D represents a downlink subframe, and S represents a special subframe. Frame, U represents uplink subframe.
  • At least one item (a) refers to any combination of these items, including any combination of a single item (a) or plural items (a).
  • at least one item (a) of a, b, or c can mean: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple .
  • words such as “first” and “second” are used to distinguish the same items or similar items with basically the same function and effect.
  • words such as “first” and “second” do not limit the quantity and order of execution, and words such as “first” and “second” do not limit the difference.
  • words such as “exemplary” or “for example” are used as examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiments of the present application should not be construed as being more preferable or advantageous than other embodiments or design solutions.
  • words such as “exemplary” or “for example” are used to present related concepts in a specific manner to facilitate understanding.
  • the embodiments of this application may be applicable to LTE systems, NB-IoT systems, LTE for Machines (LTE-M) systems, eMTC systems, NR systems, or communication systems in subsequent releases of these systems, etc.; It can also be applied to other wireless communication systems, such as global system for mobile communication (GSM), mobile communication system (universal mobile telecommunications system, UMTS), code division multiple access (CDMA) Systems, wideband code division multiple access (WCDMA) and new future-oriented network systems, etc., are not specifically limited in the embodiment of the present application.
  • GSM global system for mobile communication
  • UMTS mobile communication system
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • new future-oriented network systems etc.
  • the communication system 20 includes a second device 30 and one or more first devices 40 connected to the second device 30.
  • the second device 40 After the second device 30 determines the frequency domain resource corresponding to the second carrier, The second device 40 sends configuration information, which is used to determine the frequency domain resource corresponding to the second carrier. After the first device 40 receives the configuration information from the second device 30 on the first carrier and determines the frequency domain resource corresponding to the second carrier according to the configuration information, it receives the data or information from the second device 30 on the second carrier. Or, send data or signaling to the second device 30 on the second carrier.
  • the second carrier satisfies one or more of the following characteristics: the first reference signal carried on the second carrier has different characteristics from the second reference signal carried on the first carrier; or, the data corresponding to the first carrier Or the modulation mode of signaling is different from the modulation mode of data or signaling corresponding to the second carrier; or, the coding mode of data or signaling corresponding to the first carrier is different from the coding mode of data or signaling corresponding to the second carrier; Or, the frame structure corresponding to the first carrier is different from the frame structure corresponding to the second carrier; or, the duplex mode corresponding to the first carrier is different from the duplex mode corresponding to the second carrier; or, the maximum number of repetitions supported by the second carrier It is different from the maximum number of repetitions supported by the first carrier; or, the power control parameter on the second carrier is different from the power control parameter on the first carrier; or, the power control method on the second carrier is different from that on the first carrier.
  • the control mode is different; or, the paging discontinuous reception period on the second carrier is different from the paging discontinuous reception period on the first carrier.
  • FIG. 2 takes the second device 30 as a network device and the first device 40 as a terminal device as an example for description.
  • the first device 40 and the second device 30 may also be different terminal devices; or, the first device 40 and the second device 30 may also be other devices, which is not specifically described in this embodiment of the application. limited.
  • the third device or the fourth device in the subsequent embodiments of the present application and the first device are of the same type.
  • the third device or the fourth device may It is a terminal device; or, for example, if the first device is another device, the third device or the fourth device may be another device, which is described here in a unified manner, and will not be repeated here.
  • the network device in the embodiment of the present application is a device that connects a terminal device to a wireless network, and it may be an evolved Node B (eNB or eNodeB) in LTE; or in GSM or CDMA.
  • the base stations in the embodiments of the present application may include various forms of base stations, such as macro base stations, micro base stations (also called small stations), relay stations, access points, etc., which are not specifically limited in the embodiments of the present application .
  • the terminal device in the embodiment of the present application may be a device used to implement a wireless communication function, such as a terminal or a chip that can be used in a terminal.
  • the terminal can be a UE, an access terminal, a terminal unit, a terminal station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a wireless communication device, a terminal agent, or a terminal device in a 5G network or a future evolved PLMN Wait.
  • the access terminal can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices or wearable devices, virtual reality (VR) terminal devices, augmented reality (AR) terminal devices, industrial control (industrial) Wireless terminal in control), wireless terminal in self-driving, wireless terminal in remote medical, wireless terminal in smart grid, wireless terminal in transportation safety (transportation safety) Terminal, wireless terminal in smart city, wireless terminal in smart home, etc.
  • the terminal can be mobile or fixed.
  • the first device and the second device in the embodiments of the present application may also be referred to as communication devices, which may be a general-purpose device or a dedicated device, which is not specifically limited in the embodiment of the present application.
  • FIG. 3 a schematic structural diagram of the network device 30 and the terminal device 40 provided in this embodiment of the application.
  • the terminal device 40 includes at least one processor (in FIG. 3 exemplarily includes a processor 401 as an example for illustration) and at least one transceiver (in FIG. 3 exemplarily includes a transceiver 403 as an example for illustration) ).
  • the terminal device 40 may further include at least one memory (in FIG. 3 exemplarily includes a memory 402 as an example for illustration), at least one output device (in FIG. 3 exemplarily, an output device 404 is included as an example.
  • at least one input device in FIG. 3, one input device 405 is exemplarily described as an example).
  • the processor 401, the memory 402, and the transceiver 403 are connected through a communication line.
  • the communication line may include a path to transmit information between the aforementioned components.
  • the processor 401 may be a general-purpose central processing unit (central processing unit, CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of the program of the application Circuit.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • the processor 401 may also include multiple CPUs, and the processor 401 may be a single-CPU processor or a multi-CPU processor.
  • the processor here may refer to one or more devices, circuits, or processing cores for processing data (for example, computer program instructions).
  • the memory 402 may be a device having a storage function. For example, it can be read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (RAM), or other types that can store information and instructions Dynamic storage devices can also be electrically erasable programmable read-only memory (EEPROM), compact disc read-only memory (CD-ROM), or other optical disk storage, optical disc storage ( Including compact discs, laser discs, optical discs, digital universal discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program codes in the form of instructions or data structures and can be stored by a computer Any other media taken, but not limited to this.
  • the memory 402 may exist independently and is connected to the processor 401 through a communication line.
  • the memory 402 may also be integrated with the processor 401.
  • the memory 402 is used to store computer execution instructions for executing the solution of the present application, and the processor 401 controls the execution.
  • the processor 401 is configured to execute computer-executable instructions stored in the memory 402, so as to implement the communication method described in the embodiment of the present application.
  • the processor 401 may also perform processing-related functions in the communication method provided in the following embodiments of the application, and the transceiver 403 is responsible for communicating with other devices or communication networks.
  • the embodiment does not specifically limit this.
  • the computer execution instructions in the embodiments of the present application may also be referred to as application program codes or computer program codes, which are not specifically limited in the embodiments of the present application.
  • the transceiver 403 may use any device such as a transceiver to communicate with other devices or communication networks, such as Ethernet, RAN, or wireless local area networks (WLAN).
  • the transceiver 403 includes a transmitter (transmitter, Tx) and a receiver (receiver, Rx).
  • the output device 404 communicates with the processor 401 and can display information in a variety of ways.
  • the output device 404 may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector (projector) Wait.
  • LCD liquid crystal display
  • LED light emitting diode
  • CRT cathode ray tube
  • projector projector
  • the input device 405 communicates with the processor 401 and can accept user input in a variety of ways.
  • the input device 405 may be a mouse, a keyboard, a touch screen device, or a sensor device.
  • the network device 30 includes at least one processor (in FIG. 3 exemplarily includes a processor 301 as an example for illustration), at least one transceiver (in FIG. 3 exemplarily includes a transceiver 303 as an example for illustration), and At least one network interface (in FIG. 3, one network interface 304 is included as an example for illustration).
  • the network device 30 may further include at least one memory (in FIG. 3, one memory 302 is included as an example for illustration).
  • the processor 301, the memory 302, the transceiver 303, and the network interface 304 are connected through a communication line.
  • the network interface 304 is used to connect to the core network device through a link (for example, the S1 interface), or to connect with the network interface of other network equipment (not shown in FIG. 3) through a wired or wireless link (for example, the X2 interface).
  • a link for example, the S1 interface
  • the network interface of other network equipment not shown in FIG. 3
  • a wired or wireless link for example, the X2 interface.
  • the application embodiment does not specifically limit this.
  • FIG. 4 is a specific structural form of the terminal device 40 provided in an embodiment of the application.
  • the functions of the processor 401 in FIG. 3 may be implemented by the processor 110 in FIG. 4.
  • the function of the transceiver 403 in FIG. 3 may be implemented by the antenna 1, antenna 2, mobile communication module 150, wireless communication module 160, etc. in FIG. 4.
  • antenna 1 and antenna 2 are used to transmit and receive electromagnetic wave signals.
  • Each antenna in the terminal device 40 can be used to cover a single or multiple communication frequency bands. Different antennas can also be reused to improve antenna utilization.
  • antenna 1 can be multiplexed as a diversity antenna of a wireless local area network.
  • the antenna can be used in combination with a tuning switch.
  • the mobile communication module 150 may provide a wireless communication solution including 2G/3G/4G/5G and the like applied to the terminal device 40.
  • the mobile communication module 150 may include at least one filter, switch, power amplifier, low noise amplifier (LNA), etc.
  • the mobile communication module 150 can receive electromagnetic waves by the antenna 1, and perform processing such as filtering, amplifying and transmitting the received electromagnetic waves to the modem processor for demodulation.
  • the mobile communication module 150 can also amplify the signal modulated by the modem processor, and convert it into electromagnetic waves for radiation via the antenna 1.
  • at least part of the functional modules of the mobile communication module 150 may be provided in the processor 110.
  • at least part of the functional modules of the mobile communication module 150 and at least part of the modules of the processor 110 may be provided in the same device.
  • the wireless communication module 160 can provide applications on the terminal device 40, including wireless local area networks (wireless local area networks, WLAN) (such as Wi-Fi networks), Bluetooth (blue tooth, BT), global navigation satellite system (global navigation satellite system, GNSS), frequency modulation (FM), near field communication (NFC), infrared technology (infrared, IR) and other wireless communication solutions.
  • the wireless communication module 160 may be one or more devices integrating at least one communication processing module.
  • the wireless communication module 160 receives electromagnetic waves via the antenna 2, frequency modulates and filters the electromagnetic wave signals, and sends the processed signals to the processor 110.
  • the wireless communication module 160 can also receive the signal to be sent from the processor 110, perform frequency modulation, amplify it, and convert it into electromagnetic wave radiation via the antenna 2.
  • the wireless communication module 160 may provide an NFC wireless communication solution applied to the terminal device 40, which means that the first device includes an NFC chip.
  • the NFC chip can improve the NFC wireless communication function.
  • the wireless communication module 160 can provide a solution for NFC wireless communication applied to the terminal device 40, which means that the first device includes an electronic tag (such as radio frequency identification (RFID) tags) ).
  • RFID radio frequency identification
  • the antenna 1 of the terminal device 40 is coupled with the mobile communication module 150, and the antenna 2 is coupled with the wireless communication module 160, so that the terminal device 40 can communicate with the network and other devices through wireless communication technology.
  • the wireless communication technology may include GSM, general packet radio service (GPRS), CDMA, WCDMA, time-division code division multiple access (TD-SCDMA), LTE, BT, GNSS , WLAN, NFC, FM, or IR technology, etc.
  • the GNSS may include global positioning system (GPS), global navigation satellite system (GLONASS), Beidou navigation satellite system (BDS), quasi-zenith satellite system (quasi -zenith satellite system, QZSS) or satellite-based augmentation systems (SBAS).
  • the function of the memory 402 in FIG. 3 may be implemented by an external memory (such as a Micro SD card) connected to the internal memory 121 or the external memory interface 120 in FIG. 4.
  • an external memory such as a Micro SD card
  • the function of the output device 404 in FIG. 3 may be implemented through the display screen 194 in FIG. 4.
  • the display screen 194 is used to display images, videos, and so on.
  • the display screen 194 includes a display panel.
  • the function of the input device 405 in FIG. 3 may be implemented by a mouse, a keyboard, a touch screen device, or the sensor module 180 in FIG. 4.
  • the sensor module 180 may include, for example, a pressure sensor 180A, a gyroscope sensor 180B, an air pressure sensor 180C, a magnetic sensor 180D, an acceleration sensor 180E, a distance sensor 180F, a proximity light sensor 180G, and a fingerprint sensor 180H.
  • a pressure sensor 180A a pressure sensor 180A
  • a gyroscope sensor 180B an air pressure sensor 180C
  • a magnetic sensor 180D e.g., a MEMS acceleration sensor 180E
  • a distance sensor 180F e.g., a distance sensor 180F
  • a proximity light sensor 180G e.g., a a proximity light sensor 180G
  • a fingerprint sensor 180H e.g., a fingerprint sensor 180H.
  • the terminal device 40 may also include an audio module 170, a camera 193, an indicator 192, a motor 191, a button 190, a SIM card interface 195, a USB interface 130, a charging management module 140, One or more of the power management module 141 and the battery 142, where the audio module 170 can be connected to a speaker 170A (also called a “speaker”), a receiver 170B (also called a “handset”), a microphone 170C (also called a “microphone”, “Microphone”) or the earphone interface 170D, etc., which are not specifically limited in the embodiment of the present application.
  • a speaker 170A also called a “speaker”
  • a receiver 170B also called a “handset”
  • a microphone 170C also called a “microphone”, "Microphone”
  • the earphone interface 170D etc.
  • the structure shown in FIG. 4 does not constitute a specific limitation on the terminal device 40.
  • the terminal device 40 may include more or fewer components than shown in the figure, or combine certain components, or split certain components, or arrange different components.
  • the illustrated components can be implemented in hardware, software, or a combination of software and hardware.
  • the second device 30 shown in FIG. 2 is a network device
  • the first device 40 is a terminal device
  • the network device interacts with any terminal device (assuming the first terminal device) as an example.
  • the communication method provided by the embodiment of the present application will be expounded.
  • the communication method includes the following steps S501-S504:
  • the network device determines the frequency domain resource corresponding to the second carrier.
  • the network device sends configuration information to the first terminal device on the first carrier.
  • the first terminal device receives the configuration information from the second device 30 on the first carrier.
  • the first terminal device determines the frequency domain resource corresponding to the second carrier according to the configuration information.
  • the first terminal device sends data or signaling to the network device on the second carrier, and the network device receives the data or signaling from the first terminal device on the second carrier; and/or, the network device is on the second carrier Send data or signaling to the first terminal device, and the first terminal device receives the data or signaling from the network device on the second carrier.
  • the second carrier satisfies one or more of the following characteristics: the first reference signal carried on the second carrier has different characteristics from the second reference signal carried on the first carrier; or, the data corresponding to the second carrier Or the modulation mode of signaling is different from the modulation mode of data or signaling corresponding to the first carrier; or, the coding mode of data or signaling corresponding to the second carrier is different from the coding mode of data or signaling corresponding to the first carrier; Or, the frame structure corresponding to the second carrier is different from the frame structure corresponding to the first carrier; or, the duplex mode corresponding to the second carrier is different from the duplex mode corresponding to the first carrier; or, the maximum number of repetitions supported by the second carrier It is different from the maximum number of repetitions supported by the first carrier; or, the power control parameter on the second carrier is different from the power control parameter on the first carrier; or, the power control method on the second carrier is different from that on the first carrier.
  • the control mode is different; or, the paging discontinuous reception period on the second carrier
  • the configuration information in the embodiments of the present application may be carried by system messages, RRC signaling, media access control (media access control, MAC) control element (CE), or physical layer signaling.
  • the specific form of the system message can be master information block (MIB), system information block 1 (system information block 1, SIB1), system information (system information, SI), other SIBs, and the remaining minimum system information (remaining Minimum system information (RMSI), or other system information (other system information, OSI), which is not specifically limited in the embodiment of the present application.
  • the physical layer signaling may be DCI.
  • DCI DCI.
  • the configuration information on the first carrier in the embodiment of the present application may be, for example, the frequency domain position of the second carrier.
  • the frequency domain position may be characterized by the start frequency domain position of the second carrier and the bandwidth information of the second carrier; or, the frequency domain position may be characterized by the end frequency domain position of the second carrier and the bandwidth information of the second carrier Or, the frequency domain position can be characterized by the start frequency domain position of the second carrier and the end frequency domain position of the second carrier, which is not specifically limited here.
  • the configuration information on the first carrier in the embodiment of the present application may be, for example, the frequency domain offset of the second carrier relative to the first carrier and the bandwidth information of the second carrier.
  • the frequency domain offset of the second carrier relative to the first carrier may be the frequency domain offset of the start position of the second carrier relative to the start position of the first carrier; or, the frequency domain offset of the second carrier relative to the first carrier
  • the frequency domain offset may be the frequency domain offset of the start position of the second carrier relative to the end position of the first carrier; or the frequency domain offset of the second carrier relative to the first carrier may be the second carrier
  • the frequency domain offset of the end position of the second carrier relative to the end position of the first carrier; or, the frequency domain offset of the second carrier relative to the first carrier may be the end position of the second carrier relative to the start of the first carrier
  • the frequency domain offset of the position, etc. is not specifically limited here.
  • the data carried on the second carrier in the embodiment of the present application may include, for example, uplink service data or downlink service data.
  • the signaling carried on the second carrier in the embodiment of the present application may include, for example, uplink control signaling or downlink control signaling.
  • the first carrier and the second carrier in the embodiment of the present application are carriers of the same communication system.
  • the first carrier and the second carrier are carriers of the first communication system
  • the first carrier and the second carrier are BWPs of the second communication system.
  • the first communication system here may be, for example, an NB-IoT system, an LTE-M system, an eMTC system, an LTE system, an NR system, or a communication system or a future communication system of subsequent evolution versions of these systems; for example, the second communication system here It may be an NR system or a communication system of a subsequent evolved version of the NR system or a future communication system.
  • the first communication system here is an NB-IoT system
  • the second communication system is an NR system.
  • the bandwidth of the NB-IoT system is part of the bandwidth of the NR system
  • the first carrier and the second carrier are the carriers of the NB-IoT system
  • the first terminal device is the terminal device of the NR system
  • the NR system is The first terminal device is configured with 3 dedicated BWPs
  • the first carrier is BWP1
  • the second carrier is BWP2
  • the first carrier (BWP1) is the default BWP.
  • the bandwidth of the three BWPs satisfies the relationship: BPW1 ⁇ BPW2 ⁇ BWP3.
  • the first terminal device When data or signaling arrives and the first terminal device switches from BWP1 to BWP3, it starts the BWP inactivation timer.
  • the first terminal device sends and receives data or signaling on BWP3.
  • the BWP inactivation timer expires, the first The terminal device switches from BWP3 to BWP1.
  • the BWP with a smaller bandwidth is used as the default BWP, and the first terminal device resides on the smaller BWP when there is no data or signaling arrives. In this way, the power saving effect can be achieved for the first terminal device.
  • the first carrier is an anchor carrier of the first communication system
  • the second carrier is a non-anchor carrier of the first communication system
  • the first carrier and the second carrier are the first communication The non-anchor carrier of the system
  • the first carrier is the anchor narrowband of the first communication system
  • the second carrier is the non-anchor narrowband of the first communication system
  • the first carrier and the second carrier are the first communication system
  • the first carrier is the anchor broadband of the first communication system
  • the second carrier is the non-anchor broadband of the first communication system
  • the first carrier and the second carrier are the anchor broadband of the first communication system Non-anchor broadband.
  • the relevant description of the first communication system can refer to the above-mentioned embodiment, which will not be repeated here.
  • anchor carrier, non-anchor carrier, anchor narrowband, non-anchor narrowband, anchor wideband, or non-anchor wideband please refer to the brief introduction part of the specific implementation, which will not be repeated here.
  • the characteristics of the first reference signal carried on the second carrier and the second reference signal carried on the first carrier are different, which may include: the sequence of the reference signal and the manner of generating the sequence of the reference signal One or more of the resource mapping position of the reference signal, the maximum number of ports occupied by the reference signal transmission, the period of the reference signal, or the type of the reference signal is different.
  • the reference signal in the embodiment of the present application may include, for example, a demodulation reference signal (demodulation reference signal, DMRS) for a data channel, a demodulation reference signal for a control channel, and a positioning reference signal (positioning reference signal).
  • a demodulation reference signal demodulation reference signal
  • CSI-RS channel state information reference signal
  • wake-up signal wake up signal, WUS
  • phase-tracking reference signal phase-tracking reference signal
  • PTRS phase-tracking reference signal
  • CRS narrowband reference signal (narrowband) reference signal (NRS), narrowband positioning reference signal (Narrowband positioning reference signal), narrowband wakeup signal (narrowband wakeup signal, NWUS), or MTC wakeup signal (MTC wakeup signal, MWUS).
  • the data channel here may be the physical uplink shared channel (PUSCH), the downlink data shared channel (physical downlink shared channel, PDSCH), the NPUSCH, or the narrowband physical downlink shared channel (NPDSCH).
  • the control channel here can be a downlink control channel (physical downlink control channel, PDCCH), an uplink control channel (physical uplink control channel, PUCCH), a physical broadcast channel (physical broadcast channel, PBCH), a narrowband physical downlink control channel (narrowband physical downlink control) channel, NPDCCH), narrowband physical broadcast channel (narrowband physical broadcast channel, NPBCH), or MTC downlink control channel (MTC physical downlink control channel, MPDCCH).
  • the maximum number of ports occupied by the second reference signal transmission carried on the first carrier may be 2, and the maximum number of ports occupied by the first reference signal transmission carried on the second carrier is greater than 2, so that more antennas can be realized Transmit diversity or receive diversity can improve downlink or uplink performance to meet IoT applications with higher coverage performance requirements. At the same time, space division multiplexing can increase system capacity and support more connections.
  • the period of the second reference signal carried on the first carrier may be T1
  • the period of the first reference signal carried on the second carrier may be T2
  • T1 and T2 are different, so that the resource allocation of the reference signal More flexible.
  • the type of the second reference signal carried on the first carrier is a permanently online common reference signal
  • the type of the first reference signal carried on the second carrier is an on-demand reference signal.
  • the first carrier can carry a permanently online public reference signal
  • the second carrier does not carry a permanently online public reference signal or carries an on-demand reference signal, that is, the reference signal is sent when there is data scheduling.
  • the reference signal is not sent, which can save the power consumption of the network device and meet the IoT applications that require lower power consumption on the network device side.
  • the second reference signal sequence used to generate the second reference signal carried on the first carrier is determined according to the bandwidth of the first carrier. For details, reference may be made to existing implementations. To repeat.
  • the second reference signal is sent on the first carrier, and the second reference signal is not sent on the second carrier.
  • CRS is sent on the first carrier, and CRS is not sent on the second carrier.
  • the resource mapping position of the second reference signal carried on the first carrier is different from the resource mapping position of the first reference signal carried on the second carrier, so that the resource allocation of the reference signal More flexible.
  • the type of the first reference signal carried on the second carrier is different from the type of the second reference signal carried on the first carrier, including: the first carrier can support common reference signal demodulation or measurement, and the second carrier can support dedicated solution Modulate the reference signal for demodulation or measurement, thereby making the transmission of the reference signal and resource allocation more flexible.
  • CRS is used for demodulation on the first carrier
  • DMRS is used for demodulation on the second carrier.
  • CRS is used for measurement on the first carrier
  • DMRS or CSI-RS is used for measurement on the second carrier.
  • NRS is used for demodulation on the first carrier
  • DMRS is used for demodulation on the second carrier
  • NRS is used for measurement on the first carrier
  • DMRS or CSI-RS is used for measurement on the second carrier.
  • the modulation mode of data or signaling corresponding to the first carrier is different from the modulation mode of data or signaling corresponding to the second carrier, and may include: data or signaling corresponding to the first carrier.
  • the modulation method supports quadrature phase shift keying (quadrature phase shift keying, QPSK) at the highest order, and the modulation method of data or signaling corresponding to the second carrier supports 16 quadrature amplitude modulation (QAM) at the highest order.
  • the modulation method of data or signaling corresponding to the first carrier supports 16QAM at the highest order
  • the modulation method of data or signaling corresponding to the second carrier supports QPSK at the highest order, which can improve the resolution. Adjust performance to meet IoT applications that require higher coverage performance.
  • the coding mode of data or signaling corresponding to the first carrier is different from the coding mode of data or signaling corresponding to the second carrier, and may include: data or signaling corresponding to the first carrier
  • the encoding method is tail biting convolutional coding (TBCC), and the encoding method of data or signaling corresponding to the second carrier is polar coding; or, the data or signaling corresponding to the first carrier
  • the encoding method is turbo coding, and the encoding method of data or signaling corresponding to the second carrier is polarization code; or, the encoding method of data or signaling corresponding to the first carrier is tail-biting convolutional code, and the encoding method of data or signaling corresponding to the first carrier is tail-biting convolutional code.
  • the encoding method of data or signaling corresponding to the carrier is low density parity check coding (LDPC coding); or, the encoding method of data or signaling corresponding to the first carrier is turbo code, and the second carrier corresponds to The encoding method of data or signaling is low-density parity-check code.
  • LDPC coding low density parity check coding
  • turbo code turbo code
  • second carrier corresponds to The encoding method of data or signaling is low-density parity-check code.
  • the frame structure corresponding to the first carrier is different from the frame structure corresponding to the second carrier, which may include one or more of the following differences: the duration of the radio frame, the number of subframes in a radio frame , The number of time slots in a subframe, the number of orthogonal frequency division multiplexing (OFDM) symbols in a time slot, the number of uplink and downlink subframes in a radio frame, or the number of The number of uplink and downlink OFDM symbols in the slot.
  • the duration of the radio frame the number of subframes in a radio frame
  • the number of time slots in a subframe The number of orthogonal frequency division multiplexing (OFDM) symbols in a time slot
  • OFDM orthogonal frequency division multiplexing
  • the duplex mode corresponding to the first carrier is different from the duplex mode corresponding to the second carrier, which may include: the first carrier uses FDD, and the second carrier uses time division duplex (time division duplex, TDD); or, the first carrier uses TDD, and the second carrier uses FDD.
  • the maximum number of repetitions supported by the second carrier is different from the maximum number of repetitions supported by the first carrier, which may include: the maximum number of repetitions supported by the second carrier is greater than the maximum number of repetitions supported by the first carrier; Or, the maximum number of repetitions supported by the second carrier is less than the maximum number of repetitions supported by the first carrier.
  • the maximum number of repetitions supported by the second carrier is different from the maximum number of repetitions supported by the first carrier, it can help the network equipment to schedule terminal devices supporting multiple coverage levels on different carriers according to different coverage levels.
  • the terminal device can adopt CE mode A on the first carrier, in order to enhance coverage, the terminal device can adopt CE mode B on the second carrier, that is, the maximum number of repetitions supported by the second carrier is greater than the The maximum number of repetitions supported by a carrier.
  • the relevant description of the coverage enhancement mode of the terminal can refer to the brief introduction part of the specific implementation manner, which is not repeated here.
  • the power control parameter on the second carrier is different from the power control parameter on the first carrier, and may include one or more of the following differences: the configured transmit power of the terminal device, the uplink data The bandwidth of the channel or the uplink control channel, the path loss compensation factor, the cell-level power control parameter P0_cell, and the terminal device specific power control parameter P0_UE.
  • the network device can flexibly adjust the transmit power of the terminal device, avoid uplink interference, and can flexibly support IoT applications with different requirements.
  • the power control mode on the second carrier is different from the power control mode on the first carrier, which may include: the first carrier adopts a path loss compensation-based method, that is, open-loop power control,
  • the second carrier adopts closed-loop power control.
  • the open-loop power control means that the feedback information of the receiving end is not required, and the power control is performed according to its own measurement.
  • Closed-loop power control refers to the transmitter power control based on the feedback information sent by the receiver.
  • the paging discontinuous reception period on the second carrier is different from the paging discontinuous reception period on the first carrier, and may include: the paging discontinuous reception period on the second carrier is T3, the paging discontinuous reception cycle on the first carrier is T4, and T3 is different from T4, which can flexibly support IoT applications with different requirements.
  • the second carrier may also satisfy the following characteristics: the difference between the bandwidth of the first carrier and the bandwidth of the second carrier is greater than a set value, and the set value is greater than or equal to zero.
  • the difference between the bandwidth of the first carrier and the bandwidth of the second carrier may be the difference obtained by subtracting the bandwidth of the second carrier from the bandwidth of the first carrier, or it may be the bandwidth of the second carrier minus the bandwidth of the second carrier.
  • the difference obtained by the bandwidth of a carrier the difference is a positive number. That is to say, the bandwidth of the first carrier in the embodiment of the present application is different from the bandwidth of the second carrier.
  • the bandwidth of the second carrier may be greater than the bandwidth of the first carrier.
  • the bandwidth of the first carrier is 180kHz
  • the bandwidth of the second carrier is greater than 180kHz.
  • the bandwidth of the second carrier may be smaller than the bandwidth of the first carrier.
  • the bandwidth of the first carrier is 1.4MHz
  • the bandwidth of the second carrier is 180kHz.
  • the second carrier may occupy continuous frequency resources or may occupy discrete frequency resources, which is not specifically limited here.
  • the second carrier and the first carrier may belong to the same cell, that is, the corresponding cell identities are the same.
  • the cell where the second carrier is located may be a sub-cell belonging to the cell where the first carrier is located, and the corresponding cell identity is generated by the cell identity of the cell where the first carrier is located, which is not specifically limited here.
  • the second carrier may also support the configuration of time-frequency resources that are allowed to be used by the third device but cannot be used by the first terminal device.
  • the third device may be of a different category from the first terminal device, and/or the capabilities supported by the third device and the first terminal device are different.
  • the third device here may be a third terminal device.
  • the category of the first terminal device may be category NB1, and the category of the third terminal device may be category NB2; or, for NB-IoT In the system, the category of the first terminal device may be category NB2, and the category of the third terminal device may be category NB1, which is not specifically limited here.
  • a new terminal device category can also be introduced, such as category NB3.
  • the category of the first terminal device can be category NB1 or category NB2, and the category of the third terminal device can be category NB3. There is no specific limitation.
  • the third device here may be a third terminal device, the third terminal device has the ability to perform data or signaling transmission on the time-frequency resource, and the first terminal device does not have the ability to transmit data or signaling on the time-frequency resource. The ability to transmit data or signaling.
  • the network device may send indication information to the first terminal device through system messages, RRC signaling, MAC CE, or physical layer signaling.
  • the indication information is used to indicate that the third device is allowed to use Time-frequency resources that cannot be used by the first terminal device.
  • system messages and physical layer signaling are consistent with the previous description, and will not be repeated here.
  • the system message, RRC signaling, MAC CE, or physical layer signaling may indicate in the frequency domain which resource blocks cannot be used by the first terminal device in the form of a first bitmap; The form indicates in the time domain which OFDM symbols in each slot or in every two slots cannot be used by the first terminal device.
  • the system message, RRC signaling, MAC CE, or physical layer signaling may also indicate the period of the first bitmap and the second bitmap, which is not specifically limited in the embodiment of the present application.
  • the second carrier can also support the configuration of time-frequency resources that are allowed to be used by the third device but cannot be used by the first terminal device, it can be used for forward compatibility.
  • Forward compatibility can be understood as the second carrier that supports the configuration of time-frequency resources that cannot be used by the current version of the network device. These time-frequency resources can be used in subsequent evolved versions of the network device to ensure that existing terminals can access the network.
  • the communication method provided in the embodiment of the present application may further include the following step S505:
  • the network device sends one or more of a first synchronization signal, a paging message, a paging random access response message, UE application system information, or a multicast message to the first terminal device on the second carrier.
  • the first terminal device receives one or more of the first synchronization signal, the paging message, the paging random access response message, the UE application system information, or the multicast message from the network device on the second carrier.
  • the characteristics of the first synchronization signal and the second synchronization signal carried on the first carrier may be the same or different, which is not specifically limited herein.
  • the characteristics of the first synchronization signal and the second synchronization signal carried on the first carrier are different, and may include: the sequence of the synchronization signal, the resource mapping position of the synchronization signal, and the step size of the synchronization signal search Or one or more of the types of synchronization signals are different.
  • the types of synchronization signals may include, for example, primary synchronization signal (primary synchronization signal, PSS), secondary synchronization signal (secondary synchronization signal, SSS), and narrowband primary synchronization signal (narrowband primary synchronization signal).
  • primary synchronization signal primary synchronization signal
  • secondary synchronization signal secondary synchronization signal
  • narrowband primary synchronization signal narrowband primary synchronization signal
  • NPSS narrowband secondary synchronization signal
  • the first carrier carries the primary synchronization signal and the secondary synchronization signal
  • the second carrier carries the primary synchronization signal
  • the first carrier carries the primary synchronization signal and the secondary synchronization signal
  • the second carrier carries the secondary synchronization signal.
  • Signal; or, the first carrier carries the primary synchronization signal and the secondary synchronization signal
  • the second carrier carries the primary synchronization signal and the secondary synchronization signal
  • the first carrier carries the narrowband primary synchronization signal and the narrowband secondary synchronization signal
  • the second carrier carries the narrowband primary synchronization signal.
  • Synchronization signal or, the first carrier carries the narrowband primary synchronization signal and the narrowband secondary synchronization signal, and the second carrier carries the narrowband secondary synchronization signal; or, the first carrier carries the narrowband primary synchronization signal and the narrowband secondary synchronization signal, and the second carrier carries the narrowband primary synchronization signal. Synchronization signal and narrowband auxiliary synchronization signal.
  • the network device can send synchronization signals to the first terminal device on different carriers of the same communication system, the synchronization performance of the system can be improved.
  • the first carrier in the embodiment of the present application may not carry the second synchronization signal.
  • the first terminal device may receive paging or perform random access procedures on the first carrier. This is not specifically limited.
  • the second carrier in the embodiment of the present application may not carry the first synchronization signal.
  • the first terminal device may receive paging or perform random access procedures on the second carrier.
  • the implementation of this application The example does not specifically limit this.
  • the first terminal device may receive synchronization signals on the first carrier, receive data or signaling on the second carrier, or transmit data or signaling on the second carrier.
  • the embodiment does not specifically limit this.
  • the communication method provided in the embodiment of the present application may further include the following step S506:
  • the first terminal device sends one or more of a random access preamble, a sounding reference signal, or a demodulation reference signal to the network device on the second carrier.
  • the network device receives one or more of the random access preamble, sounding reference signal, or demodulation reference signal from the first terminal device on the second carrier.
  • the random access preamble is different from the random access preamble carried on the first carrier; the sounding reference signal is different from the sounding reference signal carried on the first carrier; the demodulation reference signal is different from that carried on the first carrier The demodulation reference signal is different.
  • the network device may also send DCI to the first terminal device on the first carrier or the second carrier.
  • the first terminal device may also receive the DCI from the network device on the first carrier or the second carrier, and determine the number of bits occupied by the resource allocation field in the DCI according to the bandwidth of the second carrier.
  • the relevant description of DCI can refer to the brief introduction part of the specific implementation manners, which is not repeated here.
  • the category of the first terminal device and the category of the fourth device may be different, where the fourth device is a device that does not have the ability to receive configuration information.
  • the fourth device here may be a fourth terminal device.
  • the category of the first terminal device is different from the category of the fourth terminal device, which may include: for the NB-IoT system, the category of the first terminal device is category NB2, and the category of the fourth terminal device is category NB1; or, for NB-IoT In the system, the category of the first terminal device is category NB1, and the category of the fourth terminal device is category NB2, which is not specifically limited in the embodiment of the present application.
  • a new terminal device category can also be introduced, such as category NB3.
  • the category of the first terminal device can be category NB3, and the category of the fourth terminal device can be category NB2 or category NB1, which is not discussed in this embodiment of the application. Specific restrictions.
  • the category of the first terminal device and the category of the fourth device may be the same, where the fourth device is a device that does not have the ability to receive configuration information.
  • the fourth device here may be a fourth terminal device.
  • the category of the first terminal device is the same as the category of the fourth terminal device, which may include: for the NB-IoT system, the category of the first terminal device and the category of the fourth terminal device are both category NB2; or, for the NB-IoT system , The category of the first terminal device and the category of the fourth terminal device are both category NB1.
  • a new terminal device category may be introduced, such as category NB3, and the categories of the first terminal device and the fourth terminal device may be category NB3, which is not specifically limited in the embodiment of the present application.
  • the first carrier and the second carrier of the same communication system that can be used to carry data or signaling of the first terminal device have one or more of the following characteristics:
  • the characteristics of the first reference signal carried on the carrier are different from that of the second reference signal carried on the first carrier; or, the modulation mode of the data or signaling corresponding to the first carrier is different from the modulation mode of the data or signaling corresponding to the second carrier
  • the encoding method of data or signaling corresponding to the first carrier is different from the encoding method of data or signaling corresponding to the second carrier
  • the frame structure corresponding to the first carrier is different from the frame structure corresponding to the second carrier
  • the duplex mode corresponding to the first carrier is different from the duplex mode corresponding to the second carrier; or, the maximum number of repetitions supported by the second carrier is different from the maximum number of repetitions supported by the first carrier; or, the power control on the second carrier
  • the parameter is different from the power control parameter on the
  • the actions of the network device in the above steps S501 to S506 can be executed by the processor 301 in the network device 30 shown in FIG. 3 calling the application code stored in the memory 302 to instruct the network device to execute.
  • the action of the first terminal device may be executed by the processor 401 in the terminal device 40 shown in FIG. 3 calling the application program code stored in the memory 402 to instruct the terminal device to execute, and this embodiment does not impose any limitation on this.
  • the methods and/or steps implemented by the first terminal device can also be implemented by components (such as chips or circuits) that can be used in the first terminal device, and the methods and/or steps implemented by the network device /Or the steps can also be implemented by components that can be used in network devices.
  • an embodiment of the present application also provides a communication device, which is used to implement the foregoing various methods.
  • the communication device may be the first device in the foregoing method embodiment, or a device including the foregoing first device, or a component that can be used in the first device; or, the communication device may be the second device in the foregoing method embodiment , Or a device containing the above-mentioned second device, or a component that can be used for the second device.
  • the communication device includes hardware structures and/or software modules corresponding to each function.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.
  • the embodiments of the present application may divide the communication device into functional modules according to the foregoing method embodiments.
  • each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software functional modules. It should be noted that the division of modules in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
  • FIG. 11 shows a schematic structural diagram of a first device 110.
  • the first device 110 includes a processing module 1101 and a transceiver module 1102.
  • the transceiver module 1102 may also be referred to as a transceiver unit to implement sending and/or receiving functions, and may be, for example, a transceiver circuit, transceiver, transceiver or communication interface.
  • the transceiver module 1102 is used to receive configuration information from the second device on the first carrier; the processing module 1101 is used to determine the frequency domain resources corresponding to the second carrier according to the configuration information; the transceiver module 1102 is also used to Receive data or signaling on the second carrier; and/or, the transceiver module 1102 is also used to send data or signaling on the second carrier; wherein the second carrier satisfies one or more of the following characteristics: The characteristics of the first reference signal carried on the carrier are different from that of the second reference signal carried on the first carrier; or, the modulation method of the data or signaling corresponding to the second carrier is the same as the modulation method of the data or signaling corresponding to the first carrier Different; or, the encoding method of data or signaling corresponding to the second carrier is different from the encoding method of data or signaling corresponding to the first carrier; or, the frame structure corresponding to the second carrier is different from the frame structure corresponding to the first carrier; Or, the duplex mode corresponding to
  • the transceiver module 1102 is further configured to receive indication information from the second device.
  • the indication information is used to indicate time-frequency resources that are allowed to be used by the third device but cannot be used by the first device.
  • the second carrier supports configuration For time-frequency resources, the third device and the first device have different categories, and/or the third device and the first device support different capabilities.
  • the transceiver module 1102 is further configured to receive one of the first synchronization signal, paging message, paging random access response message, UE application system information, or multicast message from the second device on the second carrier. Or more.
  • the first synchronization signal and the second synchronization signal carried on the first carrier have different characteristics.
  • the characteristics of the first synchronization signal and the second synchronization signal carried on the first carrier are different, including: the sequence of the synchronization signal, the resource mapping position of the synchronization signal, the step length of the synchronization signal search or the type of the synchronization signal One or more are different.
  • the transceiver module 1102 is further configured to send one or more of a random access preamble, a sounding reference signal, or a demodulation reference signal to the second device on the second carrier, where the random access preamble and The random access preamble carried on the first carrier is different; the sounding reference signal is different from the sounding reference signal carried on the first carrier; the demodulation reference signal is different from the demodulation reference signal carried on the first carrier.
  • the transceiver module 1102 is further configured to receive DCI from the second device on the first carrier or the second carrier; the first device determines the number of bits occupied by the resource allocation domain in the DCI according to the bandwidth of the second carrier.
  • the first device 110 is presented in the form of dividing various functional modules in an integrated manner.
  • the "module” here can refer to a specific ASIC, circuit, processor and memory that executes one or more software or firmware programs, integrated logic circuit, and/or other devices that can provide the above-mentioned functions.
  • the first device 110 is a terminal device, those skilled in the art can imagine that the first device 110 may take the form of the terminal device 40 shown in FIG. 3.
  • the processor 401 in the terminal device 40 shown in FIG. 3 may invoke the computer execution instruction stored in the memory 402 to make the terminal device 40 execute the communication method in the foregoing method embodiment.
  • the functions/implementation process of the processing module 1101 and the transceiver module 1102 in FIG. 11 can be implemented by the processor 401 in the terminal device 40 shown in FIG. 3 calling the computer execution instructions stored in the memory 402.
  • the function/implementation process of the processing module 1101 in FIG. 11 can be implemented by the processor 401 in the terminal device 40 shown in FIG. 3 calling a computer execution instruction stored in the memory 402, and the function of the transceiver module 1102 in FIG. 11 /The realization process can be realized by the transceiver 403 in the terminal device 40 shown in FIG. 3.
  • the first device 110 provided in this embodiment can execute the above-mentioned communication method, the technical effects that can be obtained can refer to the above-mentioned method embodiment, which will not be repeated here.
  • FIG. 12 shows a schematic structural diagram of a second device 120.
  • the second device 120 includes a processing module 1201 and a transceiver module 1202.
  • the transceiver module 1202 may also be referred to as a transceiver unit for implementing sending and/or receiving functions, for example, it may be a transceiver circuit, transceiver, transceiver or communication interface.
  • the processing module 1201 is used to determine the frequency domain resource corresponding to the second carrier; the transceiver module 1202 is used to send configuration information to the first device on the first carrier, and the configuration information is used to determine the frequency domain corresponding to the second carrier Resources; transceiver module 1202, which is also used to send data or signaling on the second carrier; and/or, transceiver module 1202, which is also used to receive data or signaling on the second carrier; wherein, the second carrier meets the following characteristics One or more of the following: the first reference signal carried on the second carrier has different characteristics from the second reference signal carried on the first carrier; or, the modulation mode of the data or signaling corresponding to the second carrier is different from that of the first The modulation mode of the data or signaling corresponding to the carrier is different; or the coding mode of the data or signaling corresponding to the second carrier is different from the coding mode of the data or signaling corresponding to the first carrier; or, the frame structure corresponding to the second carrier The frame structure corresponding to the first carrier is
  • the transceiver module 1202 is further configured to send indication information to the first device, where the indication information is used to indicate time-frequency resources that are allowed to be used by the third device but cannot be used by the first device.
  • the second carrier supports configuration For time-frequency resources, the third device and the first device have different categories, and/or the capabilities supported by the third device and the first device are different.
  • the transceiver module 1202 is further configured to send one or one of the first synchronization signal, paging message, paging random access response message, UE application system information, or multicast message to the first device on the second carrier. Multiple.
  • the first synchronization signal and the second synchronization signal carried on the first carrier have different characteristics.
  • the characteristics of the first synchronization signal and the second synchronization signal carried on the first carrier are different, including: the sequence of the synchronization signal, the resource mapping position of the synchronization signal, the step length of the synchronization signal search or the type of the synchronization signal One or more are different.
  • the transceiver module 1202 is further configured to receive one or more of a random access preamble, sounding reference signal, or demodulation reference signal from the first device on the second carrier, where the random access preamble It is different from the random access preamble carried on the first carrier; the sounding reference signal is different from the sounding reference signal carried on the first carrier; and the demodulation reference signal is different from the demodulation reference signal carried on the first carrier.
  • the optional transceiver module 1202 is further configured to send DCI to the first device on the first carrier or on the second carrier, where the number of bits occupied by the resource allocation field in the DCI is determined according to the bandwidth of the second carrier.
  • the second device 120 is presented in the form of dividing various functional modules in an integrated manner.
  • the "module” here can refer to a specific ASIC, circuit, processor and memory that executes one or more software or firmware programs, integrated logic circuit, and/or other devices that can provide the above-mentioned functions.
  • the second device 120 is a network device
  • the second device 120 may take the form of the network device 30 shown in FIG. 3.
  • the processor 301 in the network device 30 shown in FIG. 3 may invoke the computer execution instructions stored in the memory 302 to make the network device 30 execute the communication method in the foregoing method embodiment.
  • the function/implementation process of the processing module 1201 and the transceiver module 1202 in FIG. 12 may be implemented by the processor 301 in the network device 30 shown in FIG. 3 calling a computer execution instruction stored in the memory 302.
  • the function/implementation process of the processing module 1201 in FIG. 12 can be implemented by the processor 301 in the network device 30 shown in FIG. 3 calling a computer execution instruction stored in the memory 302, and the function of the transceiver module 1202 in FIG. 12 /The implementation process can be implemented by the transceiver 303 in the network device 30 shown in FIG. 3.
  • the second device 120 is a terminal device
  • the second device 120 may take the form of the terminal device 40 shown in FIG. 3.
  • the processor 301 in the terminal device 40 shown in FIG. 3 may invoke the computer execution instruction stored in the memory 302 to make the terminal device 40 execute the communication method in the foregoing method embodiment.
  • the function/implementation process of the processing module 1201 and the transceiver module 1202 in FIG. 12 may be implemented by the processor 301 in the terminal device 40 shown in FIG. 3 calling the computer execution instructions stored in the memory 302.
  • the function/implementation process of the processing module 1201 in FIG. 12 can be implemented by the processor 301 in the terminal device 40 shown in FIG. 3 calling a computer execution instruction stored in the memory 302, and the function of the transceiver module 1202 in FIG. /The implementation process can be implemented by the transceiver 303 in the terminal device 40 shown in FIG. 3.
  • the second device 120 provided in this embodiment can execute the above-mentioned communication method, the technical effects that can be obtained can refer to the above-mentioned method embodiment, which will not be repeated here.
  • an embodiment of the present application further provides a communication device (for example, the communication device may be a chip or a chip system), and the communication device includes a processor for implementing the method in any of the foregoing method embodiments.
  • the communication device further includes a memory.
  • the memory is used to store necessary program instructions and data, and the processor can call the program code stored in the memory to instruct the communication device to execute the method in any of the foregoing method embodiments.
  • the memory may not be in the communication device.
  • the communication device is a chip system, it may be composed of a chip, or may include a chip and other discrete devices, which is not specifically limited in the embodiment of the present application.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a dedicated computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website, computer, server, or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or may include one or more data storage devices such as servers and data centers that can be integrated with the medium.
  • 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 DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • the computer may include the aforementioned device.

Landscapes

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

Abstract

Des modes de réalisation de la présente invention concernent un procédé, un dispositif et un système de communication, qui peuvent prendre en charge de manière flexible des applications d'IdO ayant différentes exigences. Le procédé comprend les étapes suivantes dans lesquelles : un premier dispositif reçoit des informations de configuration sur une première porteuse, et, détermine, en fonction des informations de configuration, les ressources de domaine de fréquence correspondant à une seconde porteuse ; et reçoit et transmet des données ou une signalisation sur la seconde porteuse. La seconde porteuse satisfait à une ou plusieurs des caractéristiques suivantes : un premier signal de référence porté par la seconde porteuse et un second signal de référence porté par la première porteuse ont des caractéristiques différentes ; des modes de modulation pour des données ou une signalisation correspondant à la seconde porteuse et à la première porteuse sont différents ; des modes de codage pour des données ou une signalisation correspondant à la seconde porteuse et à la première porteuse sont différents ; des structures de trames ou des modes duplex correspondant à la seconde porteuse et à la première porteuse sont différents ; le nombre maximal de répétitions supportées par la seconde porteuse et la première porteuse sont différents ; des paramètres de commande de puissance ou des modes de commande de puissance sur la seconde porteuse et la première porteuse sont différents ; ou, des cycles de réception discontinue de radiomessagerie sur la seconde porteuse et la première porteuse sont différents.
PCT/CN2019/077569 2019-03-08 2019-03-08 Procédé, dispositif et système de communication WO2020181441A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2019/077569 WO2020181441A1 (fr) 2019-03-08 2019-03-08 Procédé, dispositif et système de communication
CN201980087987.6A CN113261320B (zh) 2019-03-08 2019-03-08 通信方法、装置及系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/077569 WO2020181441A1 (fr) 2019-03-08 2019-03-08 Procédé, dispositif et système de communication

Publications (1)

Publication Number Publication Date
WO2020181441A1 true WO2020181441A1 (fr) 2020-09-17

Family

ID=72427200

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/077569 WO2020181441A1 (fr) 2019-03-08 2019-03-08 Procédé, dispositif et système de communication

Country Status (2)

Country Link
CN (1) CN113261320B (fr)
WO (1) WO2020181441A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210392516A1 (en) * 2020-06-11 2021-12-16 Qualcomm Incorporated Wireless communications-based sensing for location detection across carriers
WO2023011180A1 (fr) * 2021-08-06 2023-02-09 华为技术有限公司 Procédé de configuration de porteuse et appareil de communication
WO2023103782A1 (fr) * 2021-12-07 2023-06-15 华为技术有限公司 Procédé de communication et dispositif de communication

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114422013B (zh) * 2021-12-23 2023-12-08 中国人民解放军63921部队 自适应抗干扰卫星通信方法、装置、系统及设备
CN117014953A (zh) * 2022-04-29 2023-11-07 华为技术有限公司 信息传输的方法和通信装置
CN117460059A (zh) * 2022-07-14 2024-01-26 华为技术有限公司 一种下行数据的控制信息的接收、发送方法及装置
WO2024045851A1 (fr) * 2022-08-30 2024-03-07 华为技术有限公司 Procédé et appareil de communication

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160183294A1 (en) * 2014-12-23 2016-06-23 Electronics And Telecommunications Research Institute Base station and terminal of wireless communication system
WO2018112934A1 (fr) * 2016-12-23 2018-06-28 广东欧珀移动通信有限公司 Procédé de transmission d'informations, dispositif de réseau et dispositif terminal
CN108352953A (zh) * 2015-10-19 2018-07-31 Lg 电子株式会社 接收下行链路信号的方法和用户设备以及发送下行链路信号的方法和基站
CN109076370A (zh) * 2016-07-01 2018-12-21 Oppo广东移动通信有限公司 无线通信的方法和装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8687545B2 (en) * 2008-08-11 2014-04-01 Qualcomm Incorporated Anchor carrier in a multiple carrier wireless communication system
US9629166B2 (en) * 2012-05-11 2017-04-18 Qualcomm Incorporated Coexistence between legacy carrier types and new carrier types
US20170238284A1 (en) * 2016-02-05 2017-08-17 Mediatek Inc. Multi-Carrier Operation for Narrowband Internet of Things
WO2018031141A1 (fr) * 2016-08-11 2018-02-15 Intel IP Corporation Prise en charge de la radiomessagerie en mode repos dans une porteuse non d'ancrage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160183294A1 (en) * 2014-12-23 2016-06-23 Electronics And Telecommunications Research Institute Base station and terminal of wireless communication system
CN108352953A (zh) * 2015-10-19 2018-07-31 Lg 电子株式会社 接收下行链路信号的方法和用户设备以及发送下行链路信号的方法和基站
CN109076370A (zh) * 2016-07-01 2018-12-21 Oppo广东移动通信有限公司 无线通信的方法和装置
WO2018112934A1 (fr) * 2016-12-23 2018-06-28 广东欧珀移动通信有限公司 Procédé de transmission d'informations, dispositif de réseau et dispositif terminal

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210392516A1 (en) * 2020-06-11 2021-12-16 Qualcomm Incorporated Wireless communications-based sensing for location detection across carriers
US11800376B2 (en) * 2020-06-11 2023-10-24 Qualcomm Incorporated Wireless communications-based sensing for location detection across carriers
WO2023011180A1 (fr) * 2021-08-06 2023-02-09 华为技术有限公司 Procédé de configuration de porteuse et appareil de communication
WO2023103782A1 (fr) * 2021-12-07 2023-06-15 华为技术有限公司 Procédé de communication et dispositif de communication

Also Published As

Publication number Publication date
CN113261320B (zh) 2022-07-26
CN113261320A (zh) 2021-08-13

Similar Documents

Publication Publication Date Title
WO2020181441A1 (fr) Procédé, dispositif et système de communication
CN111345050B (zh) 对无线通信设备能力的临时处理
US10555346B2 (en) Method for configuring physical channel, base station and user equipment
US20180027510A1 (en) Method for allowing terminal to transmit power headroom information in wireless communication system and device therefor
US20160337086A1 (en) Method for configuring physical uplink channel, base station and user equipment
WO2019062998A1 (fr) Procédé et dispositif de régulation de puissance
JP2018110344A (ja) 無線通信装置、無線通信方法及びコンピュータプログラム
US11039462B2 (en) Terminal apparatus, base station apparatus, communication method, and integrated circuit
US20230300835A1 (en) Systems and methods for tci state activation and codepoint to tci state mapping
US11277223B2 (en) Control channel design for category-A devices
WO2019214661A1 (fr) Procédé et appareil de transmission de message de radiorecherche
US20220159568A1 (en) Method and apparatus for transmitting and receiving terminal support information in wireless communication system
WO2021106837A1 (fr) Dispositif terminal, dispositif de station de base et procédé de communication
WO2021204094A1 (fr) Procédé, appareil et système de communication
US20230127381A1 (en) Systems and methods for determining tci states for multiple transmission occasions
JP2018026703A (ja) 通信装置、通信方法及び記録媒体
KR20210111775A (ko) 절전 관련 사용자 장비
JP2024515496A (ja) 非コードブックベースのマルチｔｒｐのｐｕｓｃｈのためのシステムと方法
WO2020155188A1 (fr) Procédé, appareil et système de communication
JP2024511588A (ja) ページング早期指示
US20210168812A1 (en) Data transmission method and apparatus
WO2018202027A1 (fr) Procédé et appareil de détermination du type d'espacement de sous-porteuse
WO2021056707A1 (fr) Procédé de communication, dispositif et système
WO2020168723A1 (fr) Procédé, dispositif et système de réception et d'envoi de signal de référence
WO2021007809A1 (fr) Procédé, dispositif et système de rapport de qualité de canal

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19919410

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19919410

Country of ref document: EP

Kind code of ref document: A1