WO2021190376A1 - 载波配置方法、装置及系统 - Google Patents

载波配置方法、装置及系统 Download PDF

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Publication number
WO2021190376A1
WO2021190376A1 PCT/CN2021/081305 CN2021081305W WO2021190376A1 WO 2021190376 A1 WO2021190376 A1 WO 2021190376A1 CN 2021081305 W CN2021081305 W CN 2021081305W WO 2021190376 A1 WO2021190376 A1 WO 2021190376A1
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WO
WIPO (PCT)
Prior art keywords
time slot
type
configuration information
tdd carrier
symbol
Prior art date
Application number
PCT/CN2021/081305
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English (en)
French (fr)
Inventor
曹永照
汤正华
Original Assignee
华为技术有限公司
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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 EP21774334.3A priority Critical patent/EP4117365A4/en
Publication of WO2021190376A1 publication Critical patent/WO2021190376A1/zh
Priority to US17/951,169 priority patent/US20230015733A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/0008Wavelet-division
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/14Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/14Two-way operation using the same type of signal, i.e. duplex
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a carrier configuration method, device, and system.
  • the Phase1 phase of R15 protocol research completes the definition of the New Radio (NR) framework, and clarifies the waveforms, channel coding, frame structure, flexible duplex mode, etc. used by NR.
  • eMBB enhanced mobile broadband
  • uRLLC new ultra-reliable & low latency communication
  • the Phase2 phase of R16 protocol research further studies NR new multiple access technology, eMBB service enhancement technology below 6GHz spectrum, and millimeter wave high-frequency backhaul technology, etc., to further improve and enrich the NR protocol framework on the basis of R15.
  • it will pay more attention to vertical industries.
  • massive machine type communication mMTC
  • device to device device to device, D2D
  • Internet of Vehicles business research on unlicensed spectrum access and other industries.
  • One of the key demands of vertical industries is latency.
  • most 5G carriers are Time Division Duplexing (TDD) carriers.
  • TDD Time Division Duplexing
  • the embodiments of the present application provide a carrier configuration method, device, and system to solve the time delay problem of TDD carrier due to the limitation of the time slot ratio.
  • an embodiment of the present application provides a carrier configuration method, including: a terminal device receives configuration information of at least two TDD carriers from a network device, where the at least two TDD carriers include at least one TDD carrier of the first type and at least A second type of TDD carrier, the configuration information indicates that in a time slot ratio period, each time slot corresponding to the first type of TDD carrier is a downlink symbol or a downlink symbol, and is In the time slot ratio period, each time slot corresponding to the second type of TDD carrier has an uplink symbol or a predominantly uplink symbol; the terminal device transmits according to the configuration information of the at least two TDD carriers information.
  • this combination of TDD carriers can achieve an implementation effect similar to FDD carriers, so that the transmission resources of uplink and downlink data are fully guaranteed, the time delay can be reduced, and the uplink and downlink performance can be improved.
  • this combination of TDD carriers has a larger bandwidth, thereby improving uplink and downlink performance and ensuring user experience.
  • the terminal device receives a piece of configuration information from the network device, and the configuration information is used to configure the foregoing at least two TDD carriers.
  • the terminal device receives two configuration information from the network device, the first configuration information corresponding to at least one TDD carrier of the first type and at least one TDD carrier of the second type respectively.
  • the first configuration information is used to indicate that in a time slot ratio period, each time slot corresponding to the first type of TDD carrier is downlink symbol or the lower symbol is the main one
  • the second configuration information It is used to indicate that in the above-mentioned same time slot ratio period, each time slot corresponding to the second type of TDD carrier is an uplink symbol or is the main uplink symbol.
  • the terminal device receives configuration information of at least two TDD carriers from the network device, which specifically includes: the terminal device receives a first message from the network device, and the first message includes the first configuration information; and the terminal device receives the first message from the network device.
  • a second message is received, the second message includes second configuration information, and the second message is carried in a time slot corresponding to the first type of TDD carrier.
  • embodiments of the present application provide a carrier configuration method, including: a network device obtains configuration information of at least two time division duplex TDD carriers, where the at least two TDD carriers include at least one TDD carrier of the first type and at least A second type of TDD carrier, the configuration information indicates that in a time slot ratio period, each time slot corresponding to the first type of TDD carrier is a downlink symbol or a downlink symbol, and is In the time slot ratio period, each time slot corresponding to the second type of TDD carrier has an uplink symbol or an uplink symbol as the main; the network device sends the configuration of the at least two TDD carriers to the terminal device information.
  • this combination of TDD carriers can achieve an implementation effect similar to FDD carriers, so that the transmission resources of uplink and downlink data are fully guaranteed, the delay can be reduced, and the uplink and downlink performance can be improved.
  • this combination of TDD carriers has a larger bandwidth, thereby improving uplink and downlink performance and ensuring user experience.
  • the network device sends a piece of configuration information to the terminal device, and the configuration information is used to configure the above-mentioned at least two TDD carriers.
  • the network device sends two configuration information to the terminal device, respectively the first configuration information corresponding to at least one TDD carrier of the first type and corresponding to at least one TDD carrier of the second type.
  • the first configuration information is used to indicate that in a time slot ratio period, each time slot corresponding to the first type of TDD carrier is downlink symbol or the lower symbol is the main one
  • the second configuration information It is used to indicate that in the above-mentioned same time slot ratio period, each time slot corresponding to the second type of TDD carrier is an uplink symbol or is the main uplink symbol.
  • the network device sending configuration information of at least two TDD carriers to the terminal device specifically includes: the network device sends a first message to the terminal device, the first message includes the first configuration information; the network device sends a second message to the terminal device , The second message includes second configuration information, and the second message is carried in a time slot corresponding to the first type of TDD carrier.
  • the second message is a system message or a radio resource control message.
  • each time slot corresponding to the first type of TDD carrier is the main downlink symbol, and the uplink symbols in the main downlink symbol are used to transmit uplink sounding reference signals or uplink control channels. .
  • each time slot corresponding to the second type of TDD carrier is the main uplink symbol, and the downlink symbol in the time slot with the main uplink symbol is used to send a downlink reference signal or a downlink control channel.
  • the configuration information is also used to indicate access resources.
  • the access resources include time domain resources and/or frequency domain resources.
  • the main symbol of the lower row means that the proportion of the downlink symbols in a time slot exceeds a first threshold, and the first threshold is greater than or equal to 50%;
  • the main symbol of the upper row means that The proportion of uplink symbols in one time slot exceeds a second threshold, and the second threshold is greater than or equal to 50%.
  • the symbol direction of each time slot corresponding to the first type of TDD carrier in the other time slot ratio period is based on the first type of TDD carrier in the time slot ratio period.
  • the symbol direction of each corresponding time slot is repeated; the symbol direction of each time slot corresponding to the second type of TDD carrier in the other time slot matching period is in accordance with the symbol direction in the time slot matching period.
  • the symbol direction of each slot corresponding to the second type of TDD carrier is repeated.
  • an embodiment of the present application provides a communication device, which may be a terminal device or a chip for the terminal device.
  • the device has the function of realizing the above-mentioned first aspect or each realization method of the first aspect. This function can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above-mentioned functions.
  • an embodiment of the present application provides a communication device.
  • the device may be a network device or a chip for the network device.
  • the device has the function of realizing the foregoing second aspect or each implementation method of the second aspect. This function can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more modules corresponding to the above-mentioned functions.
  • an embodiment of the present application provides a communication device including a processor and a memory; the memory is used to store computer-executable instructions, and when the device is running, the processor executes the computer-executable instructions stored in the memory to enable The device executes the foregoing first aspect, or second aspect, or each implementation method of the first aspect, or each implementation method of the second aspect.
  • an embodiment of the present application provides a communication device, including a unit for executing each step of the foregoing first aspect, or second aspect, or each implementation method of the first aspect, or each implementation method of the second aspect Or means.
  • an embodiment of the present application provides a communication device, including a processor and an interface circuit.
  • the processor is configured to communicate with other devices through the interface circuit and execute the first aspect, or second aspect, or first aspect.
  • the processor includes one or more.
  • an embodiment of the present application provides a communication device, including a processor, configured to be connected to a memory, and configured to call a program stored in the memory to execute the above-mentioned first aspect, or second aspect, or first aspect.
  • a communication device including a processor, configured to be connected to a memory, and configured to call a program stored in the memory to execute the above-mentioned first aspect, or second aspect, or first aspect.
  • the memory can be located inside the device or outside the device.
  • the processor includes one or more.
  • an embodiment of the present application also provides a computer-readable storage medium that stores instructions in the computer-readable storage medium, which when run on a computer, causes the processor to perform the first aspect or the second aspect above , Or each implementation method of the first aspect, or each implementation method of the second aspect.
  • the embodiments of the present application also provide a computer program product, the computer product including a computer program, when the computer program runs, causes the implementation methods of the first aspect, or the second aspect, or the first aspect, or The implementation methods of the second aspect are executed.
  • an embodiment of the present application further provides a chip system, including a processor, configured to execute the foregoing first aspect, or second aspect, or each implementation method of the first aspect, or each implementation of the second aspect method.
  • an embodiment of the present application also provides a communication system, including: a network device and a terminal device.
  • a network device configured to obtain configuration information of at least two time division duplex TDD carriers, where the at least two TDD carriers include at least one TDD carrier of the first type and at least one TDD carrier of the second type, and the configuration information indicates that In a time slot ratio period, each time slot corresponding to the first type of TDD carrier is downlink symbol or the lower symbol is the main one, and in the time slot ratio period, the second type Each time slot corresponding to the TDD carrier is an uplink symbol or the main uplink symbol; and is used to send configuration information of the at least two TDD carriers to a terminal device.
  • the terminal device is configured to transmit information according to the configuration information of the at least two TDD carriers.
  • an embodiment of the present application further provides a carrier configuration method, including: a network device obtains configuration information of at least two time division duplex TDD carriers, where the at least two TDD carriers include at least one TDD carrier of the first type And at least one TDD carrier of the second type, the configuration information indicates that in a time slot ratio period, each time slot corresponding to the first type of TDD carrier is a downlink symbol or a downlink symbol is dominant, and In the time slot ratio period, each time slot corresponding to the second type of TDD carrier has an uplink symbol or an uplink symbol as the main; the network device sends the configuration of the at least two TDD carriers to the terminal device information.
  • the terminal device transmits information according to the configuration information of the at least two TDD carriers.
  • FIG. 1 is a schematic diagram of a network architecture to which an embodiment of the application is applicable;
  • Fig. 2 is an example of a time slot allocation ratio corresponding to a TDD carrier in the prior art
  • FIG. 3 is another example of the time slot allocation ratio corresponding to the TDD carrier in the prior art
  • FIG. 4 is a schematic diagram of a carrier configuration method according to an embodiment of the application.
  • FIG. 5 is an example of the time slot allocation ratio corresponding to the first type of TDD carrier provided by the embodiment of the application.
  • FIG. 6 is another example of the time slot allocation ratio corresponding to the first type of TDD carrier provided by the embodiment of the application.
  • FIG. 7 is another example of the time slot allocation ratio corresponding to the first type of TDD carrier provided by the embodiment of the application.
  • FIG. 8 is an example of a time slot allocation ratio corresponding to a second type of TDD carrier provided by an embodiment of the application.
  • FIG. 9 is another example of the time slot allocation ratio corresponding to the second type of TDD carrier provided by the embodiment of this application.
  • FIG. 10 is another example of the time slot allocation ratio corresponding to the second type of TDD carrier provided by the embodiment of this application.
  • FIG. 11 is an example of the time slot allocation ratio corresponding to the uplink and downlink TDD carriers provided by an embodiment of the application;
  • FIG. 12 is another example of the time slot allocation ratio corresponding to the uplink and downlink TDD carriers provided by the embodiment of the application;
  • FIG. 13 is another example of the time slot allocation ratio corresponding to the uplink and downlink TDD carriers provided by the embodiment of this application;
  • FIG. 14 is another example of the time slot allocation ratio corresponding to the uplink and downlink TDD carriers provided by the embodiment of the application;
  • FIG. 15 is a schematic diagram of a communication device provided by an embodiment of this application.
  • FIG. 16 is a schematic diagram of another communication device provided by an embodiment of this application.
  • FIG. 17 is a schematic diagram of a terminal device provided by an embodiment of this application.
  • FIG. 18 is a schematic diagram of a network device provided by an embodiment of this application.
  • FIG. 1 it is a schematic diagram of a network architecture to which the embodiments of this application are applicable, including a terminal device and a network device.
  • the terminal device communicates with the network device through a wireless interface.
  • Terminal device is a device with wireless transceiver function. It can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; it can also be deployed on the water (such as ships, etc.); it can also be deployed in the air ( For example, airplanes, balloons, satellites, etc.).
  • the terminal device may be a mobile phone (mobile phone), a tablet computer (pad), a computer with wireless transceiver function, a virtual reality (VR) terminal, an augmented reality (AR) terminal, an industrial control (industrial control) Wireless terminals in ), wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grid, and wireless terminals in transportation safety , Wireless terminals in smart cities, wireless terminals in smart homes, user equipment (UE), etc.
  • a mobile phone mobile phone
  • a tablet computer pad
  • a computer with wireless transceiver function a virtual reality (VR) terminal, an augmented reality (AR) terminal, an industrial control (industrial control) Wireless terminals in ), wireless terminals in self-driving, wireless terminals in remote medical, wireless terminals in smart grid, and wireless terminals in transportation safety , Wireless terminals in smart cities, wireless terminals in smart homes, user equipment (UE), etc.
  • VR virtual reality
  • AR augmented reality
  • industrial control industrial control
  • Network equipment is a type of equipment that provides wireless communication functions for terminal equipment.
  • Network equipment includes but is not limited to: next-generation base station (gnodeB, gNB), evolved node B (evolved node B, eNB), radio network controller ( radio network controller, RNC), node B (node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved nodeB, or home node) B, HNB), baseband unit (BBU), transmission point (transmitting and receiving point, TRP), transmission point (TP), mobile switching center, etc.
  • gnodeB next-generation base station
  • gNB next-generation base station
  • eNB evolved node B
  • RNC radio network controller
  • node B node B
  • BSC base station controller
  • BTS base transceiver station
  • home base station for example, home evolved nodeB, or home node B, HNB
  • BBU baseband unit
  • TRP transmission point
  • TP
  • the logical system of network equipment can adopt the CU and DU separation mode.
  • the CU-DU logic system can be divided into two types, namely the CU-DU separation architecture and the CU-DU fusion architecture.
  • the functions of the protocol stack can be dynamically configured and divided, some of which are implemented in the CU, and the remaining functions are implemented in the DU.
  • the interface between CU and DU should follow the 3rd generation partnership project (3rd generation partnership project, 3GPP) specification requirements.
  • 3rd generation partnership project 3rd generation partnership project, 3GPP
  • the uplink and downlink can work at the same frequency, and the uplink and downlink use different time domain resources, that is, the uplink and downlink of TDD can be distinguished by different time domain resources.
  • Frequency Division Duplexing (FDD) technology the uplink and downlink work at different frequencies, and the uplink and downlink can use the same time domain resources, that is, the uplink and downlink of FDD can pass Different frequency points are distinguished.
  • the time slot ratio mechanism of the TDD carrier is that the uplink time slot, the downlink time slot and the special time slot are set according to a certain ratio.
  • the uplink time slot only includes the uplink symbol used for uplink transmission
  • the downlink time slot only includes the downlink symbol used for downlink transmission
  • the special time slot includes both the uplink symbol used for uplink transmission and the downlink symbol used for downlink transmission.
  • the ratio between the uplink symbol and the downlink symbol in the special time slot is also various, some are the uplink symbol occupies a larger proportion, and some are the downlink symbol occupies a larger proportion.
  • the time slot ratio is mainly the lower row time slots, and there are 5 downlink time slots, 3 uplink time slots and 2 special time slots in total. Because some uplink time slots do not appear continuously, and the interval time is long, when uplink data arrives, it may be necessary to wait a long time before sending. For example, if uplink data arrives at the beginning of the first "D" in Figure 2, you need to wait for a time interval of 4 time slots to send uplink data, that is, in the first "U” in Figure 2 Uplink data is sent at the beginning. If the waiting time exceeds the minimum delay requirement, such as 1ms, it may cause the delay requirement of the business to not be met.
  • the minimum delay requirement such as 1ms
  • the time slot ratio is the main upstream time slot, and there are 2 downlink time slots, 6 uplink time slots and 2 special time slots. Because some downlink time slots do not appear continuously, and the interval time is long, when downlink data arrives, it may be necessary to wait a long time before sending. For example, if downlink data arrives at the beginning of the first "U" in Figure 3, you need to wait for a time interval of 4 time slots before sending downlink data, that is, in the second "D" in Figure 3 Send downlink data at the beginning. If the waiting time exceeds the minimum delay requirement, such as 1ms, it may cause the delay requirement of the business to not be met.
  • the minimum delay requirement such as 1ms
  • the time slot ratio of the TDD carrier in the prior art may cause the uplink or downlink delay to fail to meet the service delay requirements, thereby affecting the application of 5G and subsequent communications in vertical industries.
  • an embodiment of the present application provides a carrier configuration method. This method solves the time delay problem of TDD carrier due to the limitation of time slot allocation ratio through the combination of TDD carriers.
  • This method can be executed by terminal devices or components (such as chips, circuits, etc.) on the terminal device side; on the network side, it can be executed by network devices or components (such as chips, circuits, etc.) used for network devices .
  • terminal devices or components such as chips, circuits, etc.
  • network devices or components such as chips, circuits, etc.
  • the method includes the following steps:
  • Step 401 The network device obtains configuration information of at least two TDD carriers.
  • the at least two TDD carriers include at least one TDD carrier of the first type and at least one TDD carrier of the second type.
  • the configuration information indicates that each time slot corresponding to the TDD carrier of the first type in a time slot ratio period is a downlink symbol or a downlink symbol is the main one, and indicates that the first type of TDD carrier in a time slot ratio period
  • Each time slot corresponding to the second type of TDD carrier is an uplink symbol or the main uplink symbol.
  • the configuration information indicates the symbol direction configuration of each time slot corresponding to one or more TDD carriers of the first type in a time slot ratio period, where each TDD carrier of the first type corresponds to the symbol direction configuration.
  • the time slots are all downlink symbols or downlink symbols, and indicate the symbol direction configuration of each time slot corresponding to one or more TDD carriers of the second type. Slots are all upstream symbols or dominated by upstream symbols.
  • the above configuration information may be a piece of configuration information. It can be understood that one piece of configuration information indicates the symbol direction configuration of each time slot corresponding to the at least two TDD carriers. That is, a piece of configuration information not only indicates the symbol direction configuration of each time slot corresponding to one or more first-type TDD carriers in a time slot ratio period, but also indicates one time slot ratio period in the time slot ratio period. Or the symbol direction configuration of each slot corresponding to multiple second-type TDD carriers.
  • the above configuration information may be two pieces of configuration information, for example, may include first configuration information and second configuration information, where the first configuration information indicates the first type of TDD carrier in a time slot ratio period.
  • Each corresponding time slot is a downlink symbol or a downlink symbol as the main, and the second configuration information indicates that each time slot corresponding to the second type of TDD carrier in the time slot ratio period is an uplink symbol or an uplink symbol is host. It can be understood that the symbol direction configuration of each time slot corresponding to the at least two TDD carriers is indicated by two configuration information.
  • the first configuration information corresponding to the first TDD type indicates the symbol direction configuration of each time slot corresponding to one or more TDD carriers of the first type in one time slot ratio period
  • the first configuration information corresponding to the second TDD type indicates the symbol direction configuration of each slot corresponding to one or more TDD carriers of the second type in the foregoing slot matching period.
  • the symbols of each time slot corresponding to the first type of TDD carrier are all downlink symbols or dominated by downlink symbols.
  • the following row symbols are dominant means that the proportion of downlink symbols in a time slot exceeds a first threshold, and the first threshold is greater than or equal to 50%.
  • FIG. 5 an example of the time slot allocation ratio corresponding to the first type of TDD carrier provided in the embodiment of this application.
  • the symbols of each time slot corresponding to the TDD carrier are downlink symbols.
  • FIG. 6 another example of the time slot allocation ratio corresponding to the first type of TDD carrier provided by the embodiment of this application.
  • each time slot corresponding to the TDD carrier are dominated by the downstream symbols, that is, each time slot includes both downlink symbols and uplink symbols, but the proportion of downlink symbols exceeds 50%.
  • FIG. 7 another example of the time slot allocation ratio corresponding to the first type of TDD carrier provided in the embodiment of this application.
  • the symbols of each time slot corresponding to the TDD carrier are either all downlink symbols or dominated by downlink symbols. Among them, there is no limitation on the number of timeslots with the following symbols as the main ones and the positions where they appear.
  • time slot ratio if multiple time slots are based on the following symbols, it is not required that the proportion of downlink symbols in these time slots is the same, and it is also possible if they are the same.
  • time slot ratio there are 10 time slots in the time slot ratio that are dominated by the following symbols, if each time slot includes 14 symbols.
  • the number of downlink symbols in the first time slot can be 10
  • the number of downlink symbols in the second time slot can be 8
  • the number of downlink symbols in the third time slot can be 10, and so on. As long as there are at least 8 downlink symbols in each slot.
  • the uplink symbols in the time slot with the main downlink symbols corresponding to the first type of TDD carrier are used to transmit uplink sounding reference signals or uplink control channels, but not used to not transmit uplink data or uplink access channels.
  • the transmission period of the uplink sounding reference signal or the uplink control channel can be reduced, that is, the transmission frequency of the uplink sounding reference signal or the uplink control channel can be increased, and the downlink performance can be improved.
  • the symbols of each time slot corresponding to the second type of TDD carrier are the uplink symbols and the uplink symbols are the main ones.
  • the above row symbols are dominant means that the proportion of uplink symbols in a time slot exceeds the second threshold, and the second threshold is greater than or equal to 50%.
  • FIG. 8 an example of the time slot allocation ratio corresponding to the second type of TDD carrier provided in the embodiment of this application.
  • the symbols of each time slot corresponding to the TDD carrier are uplink symbols.
  • FIG. 9 another example of the time slot allocation ratio corresponding to the second type of TDD carrier provided by the embodiment of this application.
  • the symbols of each time slot corresponding to the TDD carrier are mainly uplink symbols, that is, each time slot includes both downlink symbols and uplink symbols, but the proportion of uplink symbols exceeds 50%.
  • FIG. 10 another example of the time slot allocation ratio corresponding to the second type of TDD carrier provided by the embodiment of this application.
  • the symbols of each time slot corresponding to the TDD carrier are either all uplink symbols or are based on uplink symbols. Among them, there is no limitation on the number of timeslots and the locations where the above line symbols dominate.
  • time slot ratio if multiple time slots are based on the upstream symbols, it is not required that the proportion of uplink symbols in these time slots is the same. Of course, it is also possible if they are the same. Taking Figure 9 as an example, there are 10 time slots in the time slot ratio that are dominated by the upper symbol, if each time slot includes 14 symbols. For example, the number of uplink symbols in the first time slot can be 10, the number of uplink symbols in the second time slot can be 9, and the number of uplink symbols in the third time slot can be 10, and so on. As long as there are at least 8 uplink symbols in each slot.
  • the downlink symbols in the time slot with the main uplink symbol corresponding to the second type of TDD carrier are used to send downlink reference signals or downlink control channels, but not to send downlink data or broadcast channels. In this way, the resources of the downlink reference signal or the downlink control channel can be increased, and the performance can be improved.
  • the above configuration information is also used to indicate access resources, and the access resources include time domain resources and/or frequency domain resources.
  • the time domain resource includes one or more symbols corresponding to the second type of TDD carrier in the above-mentioned time slot ratio period.
  • the access resource is used to indicate the time domain resource and/or frequency domain resource that the terminal device can use when accessing the network. It should be noted that, if the configuration information in the foregoing step 401 includes the first configuration information and the second configuration information, the second configuration information is used to indicate the foregoing access resource.
  • the above configuration information indicates that each time slot corresponding to the first type of TDD carrier in a time slot ratio period is a downlink symbol or a downlink symbol, and indicates that the time slot ratio is Each time slot corresponding to the second type of TDD carrier in the cycle is an uplink symbol or the upper symbol is mainly introduced. It should be noted that in this embodiment of the application, the configuration information may also indicate the first type of carrier and Other combinations of the second type of carrier on time domain resources.
  • the configuration information may indicate that in a time slot ratio period, the first type of TDD carriers are all uplink time domain resources in the time domain, or dominate the uplink time domain resources (for example, more than 50%), And in this time slot allocation period, the second type of TDD carriers are all downlink time domain resources in the time domain, or the downlink time domain resources are dominated (for example, more than 50%).
  • the first type of TDD carrier when the first type of TDD carrier is mainly used for uplink time domain resources in the time domain, its downlink time domain resources are used for sending downlink reference signals or downlink control channels, but not for sending downlink data or Broadcast channel.
  • the second type of TDD carrier when the second type of TDD carrier is mainly used for downstream time domain resources in the time domain, its uplink time domain resources are used to send uplink sounding reference signals or uplink control channels, but not used for not sending uplink data or uplink access channels.
  • the configuration information may specifically be one configuration information or two configuration information, such as first configuration information and second configuration information, where the first configuration information indicates the first configuration information in a time slot ratio period.
  • first configuration information indicates the first configuration information in a time slot ratio period.
  • Each time slot corresponding to the type of TDD carrier is a downlink symbol or the lower symbol is the main one
  • second configuration information indicates that each time slot corresponding to the second type of TDD carrier is an uplink symbol in the time slot ratio period.
  • line symbols are the main ones.
  • the first configuration information and the second configuration information may be carried in the same message or in different messages.
  • the downlink time domain resource includes one or more downlink time slots and/or downlink symbols.
  • the uplink time domain resource includes one or more uplink time slots and/or uplink symbols.
  • Step 402 The network device sends the configuration information of the at least two TDD carriers to the terminal device.
  • the terminal device can receive the configuration information of the at least two TDD carriers.
  • the network device can send the first configuration information and the second configuration information to the terminal device in the same message.
  • the configuration information, or the first configuration information and the second configuration information are sent to the terminal device in different messages.
  • the network device may first send the first message to the terminal device, which carries the above-mentioned first configuration information, and the terminal device can receive Go to the first configuration information. Then, the network device sends a second message to the terminal device, the second message is carried on the time slot corresponding to the first type of TDD carrier, and the second message carries the above-mentioned second configuration information. Based on this method, the configuration information of the second type of TDD carrier can be sent through the time slot corresponding to the first type of TDD carrier.
  • the second message is a system message or a radio resource control message.
  • Step 403 The terminal device transmits information according to the configuration information of the at least two TDD carriers.
  • the terminal device sends data, control information and/or signaling in the downlink direction according to the time slot corresponding to the first type of TDD carrier indicated by the configuration information of the at least two TDD carriers.
  • the terminal device sends data, control information and/or signaling in the uplink direction according to the time slot corresponding to the second type of TDD carrier indicated by the configuration information of the at least two TDD carriers.
  • the configuration of the time slot corresponding to the TDD carrier in a time slot ratio period is given above, that is, the time slot corresponding to the first type of TDD carrier and the second type of TDD carrier are included in a time slot ratio period.
  • the configuration mode of the time slot corresponding to the TDD carrier in the other time slot matching period is the same as the configuration mode of the time slot corresponding to the TDD carrier in the above-mentioned time slot matching period. That is, all different time slot allocation periods are repeated according to the configuration mode of the time slots corresponding to the TDD carrier.
  • each time slot ratio period includes two time slots, the symbol direction of the first time slot in each time slot ratio period is downlink, and the symbol direction of the second time slot is uplink.
  • each slot matching period includes two slots, the first 4 symbols in the first slot in each slot matching period are uplink symbols, and the last 10 symbols are downlink symbols.
  • the first 12 symbols in the second time slot are all uplink symbols, and the last 2 symbols are all downlink symbols.
  • this combination of TDD carriers can achieve an implementation effect similar to FDD carriers, so that the transmission resources of uplink and downlink data are fully guaranteed, the delay can be reduced, and the uplink and downlink performance can be improved.
  • this combination of TDD carriers has a larger bandwidth, thereby improving uplink and downlink performance and ensuring user experience.
  • 2.6G, 2.3G, and 1.9G are indicative frequency bands, and other TDD frequency bands may also be used.
  • 100M and 50M are indicative of carrier bandwidth, and can also be bandwidths of other sizes.
  • the symbols of all the time slots of the time slot ratio of the 2.6G downlink TDD carrier are downlink symbols
  • the symbols of all the time slots of the time slot ratio of the 2.3G uplink TDD carrier are uplink symbols.
  • the time slot ratio of the 2.3G uplink TDD carrier can be carried in the system message or radio resource control message carried on the time slot corresponding to the 2.6G downlink TDD carrier.
  • the time delay can be guaranteed, and the downlink throughput rate and the uplink throughput rate can be enhanced. And because there is only one TDD carrier for downlink transmission, power consumption can be saved.
  • the uplink is relatively limited when the frequency band in the prior art is high, and this example uses a low-frequency full uplink mode to compensate for the uplink.
  • the symbols of all the time slots of the time slot ratio of the 2.6G downlink TDD carrier are mainly the downstream symbols, and the symbols of all the time slots of the time slot ratio of the 2.3G uplink TDD carrier are the uplink symbols.
  • the time slot ratio of the 2.3G uplink TDD carrier can be carried in the system message or radio resource control message carried on the time slot corresponding to the 2.6G downlink TDD carrier.
  • only the uplink sounding reference signal or the uplink control channel is sent on the uplink symbol in the time slot with the main downlink symbol, and the uplink data and uplink access channel are not sent.
  • the beamforming problem of the 2.6G sounding reference signal can be solved, and because the transmission period of the sounding reference signal becomes denser, the mobility experience problem of more than 30 kilometers/hour can be solved.
  • the symbols of all time slots of the time slot ratio of the 2.6G downlink TDD carrier are predominantly downstream symbols, and the symbols of all time slots of the time slot ratio of the 2.3G uplink TDD carrier are predominantly upstream symbols.
  • the time slot ratio of the 2.3G uplink TDD carrier can be carried in the system message or radio resource control message carried on the time slot corresponding to the 2.6G downlink TDD carrier.
  • only the uplink sounding reference signal or the uplink control channel is sent on the uplink symbol in the time slot with the main downlink symbol, and the uplink data and uplink access channel are not sent.
  • the downlink symbols in the time slots where the upper row symbol is the main one only send downlink reference signals or downlink control channels, and do not send downlink data or broadcast channels.
  • the symbols of all the time slots of the time slot ratio of the 4.9G/SUB 10G downlink TDD carrier are downlink symbols
  • the symbols of all the time slots of the time slot ratio of the 2.6G uplink TDD carrier are uplink symbols.
  • the time slot ratio of the 2.6G uplink TDD carrier can be carried in the system message or radio resource control message carried on the time slot corresponding to the 4.9G/SUB 10G downlink TDD carrier.
  • the 4.9G bandwidth and 2.6 frequency band advantages can be fully utilized to solve the problems of uplink and downlink coverage and data transmission rate.
  • the downlink coverage can be solved by the high power and beamforming gain on the base station side, and the uplink coverage can be solved by the low frequency band.
  • 4.9G/SUB10G can fully increase the number of cycles, channels and power to solve the downlink coverage and capacity.
  • 2.6G can simplify the architecture, for example, it can perform RX ONLY to solve the bottleneck of the upstream rate.
  • each network element described above includes hardware structures and/or software modules corresponding to each function.
  • the present invention 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 as going beyond the scope of the present invention.
  • the steps or operations implemented by the terminal device can also be implemented by components (such as chips or circuits) configured in the terminal device, corresponding to the steps or operations implemented by the network device. It can be implemented by a component (such as a chip or a circuit) configured in a network device.
  • an apparatus for implementing any of the above methods.
  • an apparatus is provided that includes units (or means) for implementing each step performed by the terminal device in any of the above methods.
  • another device is also provided, including a unit (or means) for implementing each step performed by the network device in any of the above methods.
  • the device 1500 includes a transceiver unit 1501 and a transmission unit 1502.
  • the transceiver unit 1501 is configured to receive configuration information of at least two TDD carriers from a network device, where the at least two TDD carriers include at least one TDD carrier of the first type and at least one TDD carrier of the second type, and the configuration information indicates In a time slot ratio period, each time slot corresponding to the first type of TDD carrier is downlink symbol or the lower symbol is the main one, and in the time slot ratio period, the second type Each time slot corresponding to the TDD carrier is an uplink symbol or the main uplink symbol; the transmission unit 1502 is configured to transmit information according to the configuration information of the at least two TDD carriers.
  • the configuration information includes first configuration information corresponding to the at least one TDD carrier of the first type and second configuration information corresponding to the at least one TDD carrier of the second type;
  • the transceiver unit 1501 is specifically configured to receive a first message from the network device, where the first message includes the first configuration information; and receive a second message from the network device, where the second message includes the second Configuration information, the second message is carried in a time slot corresponding to the first type of TDD carrier.
  • the second message is a system message or a radio resource control message.
  • each time slot corresponding to the first type of TDD carrier is the main downlink symbol, and the uplink symbols in the main downlink symbol are used to transmit uplink sounding reference signals or uplink control channels. .
  • each time slot corresponding to the second type of TDD carrier is the main uplink symbol, and the downlink symbol in the time slot with the main uplink symbol is used to send a downlink reference signal or a downlink control channel.
  • the configuration information is also used to indicate access resources.
  • the access resources include time domain resources and/or frequency domain resources.
  • the main symbol of the lower row means that the proportion of the downlink symbols in a time slot exceeds a first threshold, and the first threshold is greater than or equal to 50%;
  • the main symbol of the upper row means that The proportion of uplink symbols in one time slot exceeds a second threshold, and the second threshold is greater than or equal to 50%.
  • the symbol direction of each time slot corresponding to the first type of TDD carrier in the other time slot ratio period is based on the first type of TDD carrier in the time slot ratio period.
  • the symbol direction of each corresponding time slot is repeated; the symbol direction of each time slot corresponding to the second type of TDD carrier in the other time slot matching period is in accordance with the symbol direction in the time slot matching period.
  • the symbol direction of each slot corresponding to the second type of TDD carrier is repeated.
  • each of the above-mentioned units may also be referred to as a module or a circuit, etc., and each of the above-mentioned units may be provided independently, or may be fully or partially integrated.
  • the above-mentioned transceiver unit 1501 may also be referred to as a communication interface.
  • the aforementioned communication device 1500 may further include a storage unit for storing data or instructions (also referred to as codes or programs), and each of the aforementioned units may interact or couple with the storage unit to implement the corresponding method or Function.
  • the processing unit may read data or instructions in the storage unit, so that the communication device implements the method in the foregoing embodiment.
  • FIG. 16 is a schematic diagram of a communication device provided by an embodiment of this application.
  • the device is used to implement the steps performed by the corresponding network device in the foregoing method embodiment.
  • the device 1600 includes an acquiring unit 1601 and a transceiver unit 1602.
  • the obtaining unit 1601 is configured to obtain configuration information of at least two TDD carriers, where the at least two TDD carriers include at least one TDD carrier of the first type and at least one TDD carrier of the second type, and the configuration information indicates that at one time In the slot matching period, each slot corresponding to the first type of TDD carrier is a downlink symbol or the lower symbol is the main one, and in the slot matching period, the second type of TDD carrier Each corresponding time slot is the uplink symbol or the main uplink symbol; the transceiver unit 1602 is configured to send the configuration information of the at least two TDD carriers to the terminal device.
  • the configuration information includes first configuration information corresponding to the at least one TDD carrier of the first type and second configuration information corresponding to the at least one TDD carrier of the second type;
  • the transceiver unit is specifically used for the transceiver unit, specifically for sending a first message to the terminal device, the first message including the first configuration information; sending a second message to the terminal device, the first message
  • the second message includes the second configuration information, and the second message is carried in a time slot corresponding to the first type of TDD carrier.
  • the second message is a system message or a radio resource control message.
  • each time slot corresponding to the first type of TDD carrier is the main downlink symbol, and the uplink symbols in the main downlink symbol are used to transmit uplink sounding reference signals or uplink control channels. .
  • each time slot corresponding to the second type of TDD carrier is the main uplink symbol, and the downlink symbol in the time slot with the main uplink symbol is used to send a downlink reference signal or a downlink control channel.
  • the configuration information is also used to indicate access resources.
  • the access resources include time domain resources and/or frequency domain resources.
  • the main symbol of the lower row means that the proportion of the downlink symbols in a time slot exceeds a first threshold, and the first threshold is greater than or equal to 50%;
  • the main symbol of the upper row means that The proportion of uplink symbols in one time slot exceeds a second threshold, and the second threshold is greater than or equal to 50%.
  • the symbol direction of each time slot corresponding to the first type of TDD carrier in the other time slot ratio period is based on the first type of TDD carrier in the time slot ratio period.
  • the symbol direction of each corresponding time slot is repeated; the symbol direction of each time slot corresponding to the second type of TDD carrier in the other time slot matching period is in accordance with the symbol direction in the time slot matching period.
  • the symbol direction of each slot corresponding to the second type of TDD carrier is repeated.
  • each of the above-mentioned units may also be referred to as a module or a circuit, etc., and each of the above-mentioned units may be provided independently, or may be fully or partially integrated.
  • the above-mentioned transceiver unit 1602 may also be referred to as a communication interface.
  • the aforementioned communication device 1600 may further include a storage unit for storing data or instructions (also referred to as codes or programs), and each of the aforementioned units may interact or couple with the storage unit to implement the corresponding method or Function.
  • the processing unit may read data or instructions in the storage unit, so that the communication device implements the method in the foregoing embodiment.
  • each unit in the device can be all implemented in the form of software called by processing elements; they can also be all implemented in the form of hardware; part of the units can also be implemented in the form of software called by the processing elements, and some of the units can be implemented in the form of hardware.
  • each unit can be a separate processing element, or it can be integrated in a certain chip of the device for implementation.
  • it can also be stored in the memory in the form of a program, which is called and executed by a certain processing element of the device. Function.
  • each step of the above method or each of the above units may be implemented by an integrated logic circuit of hardware in a processor element or implemented in a form of being called by software through a processing element.
  • the unit in any of the above devices may be one or more integrated circuits configured to implement the above methods, for example: one or more application specific integrated circuits (ASICs), or, one or Multiple microprocessors (digital singnal processors, DSPs), or, one or more field programmable gate arrays (Field Programmable Gate Arrays, FPGAs), or a combination of at least two of these integrated circuits.
  • ASICs application specific integrated circuits
  • DSPs digital singnal processors
  • FPGAs Field Programmable Gate Arrays
  • the unit in the device can be implemented in the form of a processing element scheduler
  • the processing element can be a general-purpose processor, such as a central processing unit (CPU) or other processors that can call programs.
  • CPU central processing unit
  • these units can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • the above receiving unit is an interface circuit of the device for receiving signals from other devices.
  • the receiving unit is an interface circuit used by the chip to receive signals from other chips or devices.
  • the above unit for sending is an interface circuit of the device for sending signals to other devices.
  • the sending unit is an interface circuit used by the chip to send signals to other chips or devices.
  • the terminal equipment includes: an antenna 1710, a radio frequency device 1720, and a signal processing part 1730.
  • the antenna 1710 is connected to the radio frequency device 1720.
  • the radio frequency device 1720 receives the information sent by the network device through the antenna 1710, and sends the information sent by the network device to the signal processing part 1730 for processing.
  • the signal processing part 1730 processes the information of the terminal equipment and sends it to the radio frequency device 1720.
  • the radio frequency device 1720 processes the information of the terminal equipment and sends it to the network equipment via the antenna 1710.
  • the signal processing part 1730 is used to realize the processing of each communication protocol layer of the data.
  • the signal processing part 1730 may be a subsystem of the terminal device, and the terminal device may also include other subsystems, such as a central processing subsystem, which is used to process the operating system and application layer of the terminal device; another example is the peripheral sub-system.
  • the system is used to realize the connection with other equipment.
  • the signal processing part 1730 may be a separately provided chip.
  • the above devices may be located in the signal processing part 1730.
  • the signal processing part 1730 may include one or more processing elements 1731, for example, a main control CPU and other integrated circuits, and an interface circuit 1733.
  • the signal processing part 1730 may further include a storage element 1732.
  • the storage element 1732 is used to store data and programs.
  • the program used to execute the method executed by the terminal device in the above method may or may not be stored in the storage element 1732, for example, stored in a memory other than the signal processing part 1730 During use, the signal processing part 1730 loads the program into the cache for use.
  • the interface circuit 1733 is used to communicate with the device.
  • the above devices may be located in the signal processing part 1730, and the signal processing part 1730 may be realized by a chip.
  • the chip includes at least one processing element and an interface circuit.
  • the unit that implements each step in the above method can be implemented in the form of a processing element scheduler.
  • the device includes a processing element and a storage element, and the processing element calls a program stored by the storage element to execute the above method embodiments.
  • the storage element may be a storage element whose processing element is on the same chip, that is, an on-chip storage element.
  • the program used to execute the method executed by the terminal device in the above method may be a storage element on a different chip from the processing element, that is, an off-chip storage element.
  • the processing element calls or loads a program from the off-chip storage element on the on-chip storage element to call and execute the method executed by the terminal device in the above method embodiment.
  • the unit of the terminal device that implements each step in the above method may be configured as one or more processing elements, and these processing elements are provided on the signal processing part 1730, where the processing elements may be integrated circuits, for example : One or more ASICs, or, one or more DSPs, or, one or more FPGAs, or a combination of these types of integrated circuits. These integrated circuits can be integrated together to form a chip.
  • the units that implement each step in the above method can be integrated together and implemented in the form of a system-on-a-chip (SOC), and the SOC chip is used to implement the above method.
  • SOC system-on-a-chip
  • the chip can integrate at least one processing element and a storage element, and the processing element can call the stored program of the storage element to implement the method executed by the above terminal device; or, the chip can integrate at least one integrated circuit to implement the above terminal The method executed by the device; or, it can be combined with the above implementations.
  • the functions of some units are implemented in the form of calling programs by processing elements, and the functions of some units are implemented in the form of integrated circuits.
  • the above apparatus may include at least one processing element and an interface circuit, wherein at least one processing element is used to execute any method executed by the terminal device provided in the above method embodiment.
  • the processing element can execute part or all of the steps executed by the terminal device in the first way: calling the program stored in the storage element; or in the second way: combining instructions through the integrated logic circuit of the hardware in the processor element Part or all of the steps performed by the terminal device are executed in a manner; of course, part or all of the steps executed by the terminal device can also be executed in combination with the first manner and the second manner.
  • the processing element here is the same as the above description, and it may be a general-purpose processor, such as a CPU, or one or more integrated circuits configured to implement the above method, such as: one or more ASICs, or, one or more micro-processing DSP, or, one or more FPGAs, etc., or a combination of at least two of these integrated circuit forms.
  • the storage element can be a memory or a collective term for multiple storage elements.
  • the network equipment includes: an antenna 1810, a radio frequency device 1820, and a baseband device 1830.
  • the antenna 1810 is connected to the radio frequency device 1820.
  • the radio frequency device 1820 receives the information sent by the terminal device through the antenna 1810, and sends the information sent by the terminal device to the baseband device 1830 for processing.
  • the baseband device 1830 processes the information of the terminal device and sends it to the radio frequency device 1820
  • the radio frequency device 1820 processes the information of the terminal device and sends it to the terminal device via the antenna 1810.
  • the baseband device 1830 may include one or more processing elements 1831, for example, a main control CPU and other integrated circuits, and an interface 1833.
  • the baseband device 1830 may also include a storage element 1832, the storage element 1832 is used to store programs and data; the interface 1833 is used to exchange information with the radio frequency device 1820, the interface is, for example, a common public radio interface (CPRI) .
  • the above device for network equipment may be located in the baseband device 1830.
  • the above device for network equipment may be a chip on the baseband device 1830.
  • the chip includes at least one processing element and an interface circuit, wherein the processing element is used to execute the above network. For each step of any method executed by the device, the interface circuit is used to communicate with other devices.
  • the unit for the network device to implement each step in the above method can be implemented in the form of a processing element scheduler.
  • the device for the network device includes a processing element and a storage element, and the processing element calls the program stored by the storage element to Perform the method performed by the network device in the above method embodiment.
  • the storage element may be a storage element with the processing element on the same chip, that is, an on-chip storage element, or a storage element on a different chip from the processing element, that is, an off-chip storage element.
  • the unit of the network device that implements each step in the above method may be configured as one or more processing elements, and these processing elements are arranged on the baseband device.
  • the processing elements here may be integrated circuits, such as one Or multiple ASICs, or, one or more DSPs, or, one or more FPGAs, or a combination of these types of integrated circuits. These integrated circuits can be integrated together to form a chip.
  • the units for the network equipment to implement each step in the above method can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • the baseband device includes the SOC chip for implementing the above method.
  • At least one processing element and storage element can be integrated in the chip, and the processing element can call the stored program of the storage element to implement the method executed by the above network device; or, at least one integrated circuit can be integrated in the chip to implement the above network The method executed by the device; or, it can be combined with the above implementations.
  • the functions of some units are implemented in the form of calling programs by processing elements, and the functions of some units are implemented in the form of integrated circuits.
  • the above apparatus for a network device may include at least one processing element and an interface circuit, wherein at least one processing element is used to execute any of the methods performed by the network device provided in the above method embodiments.
  • the processing element can execute part or all of the steps executed by the network device in the first way: calling the program stored in the storage element; or in the second way: combining instructions through the integrated logic circuit of the hardware in the processor element Part or all of the steps performed by the network device are executed in the method; of course, part or all of the steps executed by the network device above can also be executed in combination with the first method and the second method.
  • the processing element here is the same as the above description, and it may be a general-purpose processor, such as a CPU, or one or more integrated circuits configured to implement the above method, such as: one or more ASICs, or, one or more micro-processing DSP, or, one or more FPGAs, etc., or a combination of at least two of these integrated circuit forms.
  • the storage element can be a memory or a collective term for multiple storage elements.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose 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 a data storage device such as a server or a data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • At least one refers to any combination of these items, including any combination of a single item (a) or a plurality of items (a).
  • at least one (piece, species) of a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or Multiple.
  • Multiple refers to two or more than two, and other quantifiers are similar.
  • the various illustrative logic units and circuits described in the embodiments of this application can be implemented by general-purpose processors, digital signal processors, application-specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, Discrete gates or transistor logic, discrete hardware components, or any combination of the above are designed to implement or operate the described functions.
  • the general-purpose processor may be a microprocessor.
  • the general-purpose processor may also be any traditional processor, controller, microcontroller, or state machine.
  • the processor can also be implemented by a combination of computing devices, such as a digital signal processor and a microprocessor, multiple microprocessors, one or more microprocessors combined with a digital signal processor core, or any other similar configuration. accomplish.
  • the aforementioned functions described in this application can be implemented in hardware, software, firmware, or any combination of the three. If implemented in software, these functions can be stored on a computer-readable medium, or transmitted on the computer-readable medium in the form of one or more instructions or codes.
  • Computer-readable media include computer storage media and communication media that facilitate the transfer of computer programs from one place to another. The storage medium can be any available medium that can be accessed by a general-purpose or special computer.
  • Such computer-readable media may include, but are not limited to, RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other device that can be used to carry or store instructions or data structures and Other program code media that can be read by general-purpose or special computers, or general-purpose or special processors.
  • any connection can be appropriately defined as a computer-readable medium, for example, if the software is from a website, server, or other remote source through a coaxial cable, fiber optic computer, twisted pair, or digital subscriber line (DSL) Or transmitted by wireless means such as infrared, wireless and microwave are also included in the definition of computer-readable media.
  • DSL digital subscriber line
  • the said disks and discs include compressed disks, laser disks, optical discs, digital versatile discs (English: Digital Versatile Disc, abbreviated as: DVD), floppy disks and Blu-ray discs.
  • Disks usually copy data with magnetism.
  • Discs usually use lasers to copy data optically.
  • the combination of the above can also be contained in a computer readable medium.
  • the functions described in this application can be implemented by hardware, software, firmware, or any combination thereof. When implemented by software, these functions can be stored in a computer-readable medium or transmitted as one or more instructions or codes on the computer-readable medium.
  • the computer-readable medium includes a computer storage medium and a communication medium, where the communication medium includes any medium that facilitates the transfer of a computer program from one place to another.
  • the storage medium may be any available medium that can be accessed by a general-purpose or special-purpose computer.

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  • Mobile Radio Communication Systems (AREA)

Abstract

本申请实施例提供载波配置方法、装置及系统。该方法包括:终端设备从网络设备接收至少两个TDD载波的配置信息,该至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波,配置信息指示在一个时隙配比周期中第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且在该时隙配比周期中第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主;终端设备根据至少两个TDD载波的配置信息传输信息。通过两个或两个以上的TDD载波组合的方式,达到了类似FDD载波的实现效果,使得上下行数据的发送资源得到充分保障,可以降低时延,提升上下行性能。

Description

载波配置方法、装置及系统
相关申请的交叉引用
本申请要求在2020年03月25日提交中国专利局、申请号为202010218138.4、申请名称为“载波配置方法、装置及系统”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及通信技术领域,尤其涉及载波配置方法、装置及系统。
背景技术
R15协议研究的Phase1阶段,完成新无线(New radio,NR)框架的定义,明确NR采用的波形,信道编码,帧结构,灵活双工模式等。架构上明确上下行解耦,集中单元(centralized unit,CU)-分布单元(distributed unit,DU)分离,非独立组网(Non-StandAlone,NSA)/独立组网(StandAlone,SA)组网等解决方案。重点聚焦增强型移动互联网(enhanced mobile broadband,eMBB)场景,同时对第五代(5th generation,5G)通信系统新增的超高可靠超低时延通信(ultra-reliable&low latency communication,uRLLC)业务类型做明确定义。
R16协议研究的Phase2阶段进一步研究NR新多址接入技术,6GHz频谱以下的eMBB业务增强技术,以及毫米波的高频回传技术等,在R15基础上对NR协议框架做进一步完善和丰富。同时会更关注垂直行业,除了在R15基础上对uRLLC业务做进一步的增强研究,也将全面开展大连接海量物联网通信(massive machine type communication,mMTC),设备对设备(device to device,D2D),车联网,非授权频谱接入等行业领域的业务研究。而垂直行业的一个关键诉求就是时延,目前5G大多都是时分双工(Time Division Duplexing,TDD)的载波,存在时隙配比的限制导致时延无法满足1ms的需求,限制了5G在未来垂直行业的应用。
发明内容
本申请实施例提供载波配置方法、装置及系统,以解决TDD载波由于时隙配比限制导致的时延问题。
第一方面,本申请实施例提供一种载波配置方法,包括:终端设备从网络设备接收至少两个TDD载波的配置信息,所述至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波,所述配置信息指示在一个时隙配比周期中,所述第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且在所述时隙配比周期中,所述第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主;所述终端设备根据所述至少两个TDD载波的配置信息,传输信息。
基于上述方案,通过两个或两个以上的TDD载波组合的方式,即至少一个第一类型的TDD载波和至少一个第二类型的TDD载波的组合,当采用第二类型的TDD载波进行 上行数据传输时,若有下行数据需求,不需要等待至第二类型的TDD载波的下行符号,可以采用第一类型的TDD载波的下行时隙和/或符号进行下行数据传输,从而降低了下行数据传输的时延。又例如,当采用第一类型的TDD载波进行下行数据传输时,若有上行数据需求,不需要等待至第一类型的TDD载波的上行符号,可以采用第二类型的TDD载波的上行时隙和/或符号进行上行数据传输,从而降低了上行数据传输的时延。故而,这种TDD载波的组合方式,可以达到类似FDD载波的实现效果,使得上下行数据的发送资源得到充分保障,可以降低时延,进而可以提升上下行性能。并且,这种TDD载波的组合方式与FDD频段相比,其带宽可以更大,从而提升了上下行性能,保障了用户体验。
作为一种实现方法,上述第一方面中,终端设备从网络设备接收一个配置信息,该配置信息用于配置上述至少两个TDD载波。
作为另一种实现方法,上述第一方面中,终端设备从网络设备接收两个配置信息,分别为至少一个第一类型的TDD载波对应的第一配置信息和至少一个第二类型的TDD载波对应的第二配置信息,其中第一配置信息用于指示在一个时隙配比周期中,第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,第二配置信息用于指示在上述相同的时隙配比周期中,第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主。
可选地,终端设备从网络设备接收至少两个TDD载波的配置信息,具体包括:终端设备从网络设备接收第一消息,所述第一消息包括所述第一配置信息;终端设备从网络设备接收第二消息,第二消息包括第二配置信息,第二消息承载在第一类型的TDD载波对应的时隙。
第二方面,本申请实施例提供一种载波配置方法,包括:网络设备获取至少两个时分双工TDD载波的配置信息,所述至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波,所述配置信息指示在一个时隙配比周期中,所述第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且在所述时隙配比周期中,所述第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主;所述网络设备向终端设备发送所述至少两个TDD载波的配置信息。
基于上述方案,通过两个或两个以上的TDD载波组合的方式,即至少一个第一类型的TDD载波和至少一个第二类型的TDD载波的组合,当采用第二类型的TDD载波进行上行数据传输时,若有下行数据需求,不需要等待至第二类型的TDD载波的下行符号,可以采用第一类型的TDD载波的下行时隙和/或符号进行下行数据传输,从而降低了下行数据传输的时延。又例如,当采用第一类型的TDD载波进行下行数据传输时,若有上行数据需求,不需要等待至第一类型的TDD载波的上行符号,可以采用第二类型的TDD载波的上行时隙和/或符号进行上行数据传输,从而降低了上行数据传输的时延。故而,这种TDD载波的组合方式,可以达到类似FDD载波的实现效果,使得上下行数据的发送资源得到充分保障,可以降低时延,进而可以提升上下行性能。并且,这种TDD载波的组合方式与FDD频段相比,其带宽可以更大,从而提升了上下行性能,保障了用户体验。
作为一种实现方法,上述第二方面中,网络设备向终端设备发送一个配置信息,该配置信息用于配置上述至少两个TDD载波。
作为另一种实现方法,上述第二方面中,网络设备向终端设备发送两个配置信息,分别为至少一个第一类型的TDD载波对应的第一配置信息和至少一个第二类型的TDD载波 对应的第二配置信息,其中第一配置信息用于指示在一个时隙配比周期中,第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,第二配置信息用于指示在上述相同的时隙配比周期中,第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主。
可选地,网络设备向终端设备发送至少两个TDD载波的配置信息,具体包括:网络设备向终端设备发送第一消息,第一消息包括第一配置信息;网络设备向终端设备发送第二消息,第二消息包括第二配置信息,第二消息承载在第一类型的TDD载波对应的时隙。
基于上述第一方面、或第一方面的可能实现方法、或第二方面、或第二方面的可能实现方法:
作为一种实现方法,所述第二消息为系统消息或无线资源控制消息。
作为一种实现方法,所述第一类型的TDD载波对应的每个时隙以下行符号为主,且以下行符号为主的时隙中的上行符号用于发送上行探测参考信号或上行控制信道。
作为一种实现方法,所述第二类型的TDD载波对应的每个时隙以上行符号为主,且以上行符号为主的时隙中的下行符号用于发送下行参考信号或下行控制信道。
作为一种实现方法,所述配置信息还用于指示接入资源,所述接入资源包括时域资源和/或频域资源,所述时域资源包括所述时隙配比周期中,所述第二类型的TDD载波对应的一个或者多个符号。需要说明的是,当网络设备向终端设备发送两个配置信息,则这里的用于指示接入资源的配置信息指的是上述第二配置信息。
作为一种实现方法,所述以下行符号为主是指一个时隙中的下行符号的占比超过第一阈值,所述第一阈值大于或等于50%;所述以上行符号为主是指一个时隙中的上行符号的占比超过第二阈值,所述第二阈值大于或等于50%。
作为一种实现方法,所述第一类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照所述时隙配比周期中的所述第一类型的TDD载波对应的每个时隙的符号方向进行重复;所述第二类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照所述时隙配比周期中的所述第二类型的TDD载波对应的每个时隙的符号方向进行重复。
第三方面,本申请实施例提供一种通信装置,该装置可以是终端设备,还可以是用于终端设备的芯片。该装置具有实现上述第一方面或第一方面的各实现方法的功能。该功能可以通过硬件实现,也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
第四方面,本申请实施例提供一种通信装置,该装置可以是网络设备,还可以是用于网络设备的芯片。该装置具有实现上述第二方面或第二方面的各实现方法的功能。该功能可以通过硬件实现,也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
第五方面,本申请实施例提供一种通信装置,包括处理器和存储器;该存储器用于存储计算机执行指令,当该装置运行时,该处理器执行该存储器存储的该计算机执行指令,以使该装置执行如上述第一方面、或第二方面、或第一方面的各实现方法、或第二方面的各实现方法。
第六方面,本申请实施例提供一种通信装置,包括用于执行上述第一方面、或第二方面、或第一方面的各实现方法、或第二方面的各实现方法的各个步骤的单元或手段(means)。
第七方面,本申请实施例提供一种通信装置,包括处理器和接口电路,所述处理器用于通过接口电路与其它装置通信,并执行上述第一方面、或第二方面、或第一方面的各实现方法、或第二方面的各实现方法。该处理器包括一个或多个。
第八方面,本申请实施例提供一种通信装置,包括处理器,用于与存储器相连,用于调用所述存储器中存储的程序,以执行上述第一方面、或第二方面、或第一方面的各实现方法、或第二方面的各实现方法。该存储器可以位于该装置之内,也可以位于该装置之外。且该处理器包括一个或多个。
第九方面,本申请实施例还提供一种计算机可读存储介质,所述计算机可读存储介质中存储有指令,当其在计算机上运行时,使得处理器上述第一方面、或第二方面、或第一方面的各实现方法、或第二方面的各实现方法。
第十方面,本申请实施例还提供一种计算机程序产品,该计算机产品包括计算机程序,当计算机程序运行时,使得上述第一方面、或第二方面、或第一方面的各实现方法、或第二方面的各实现方法被执行。
第十一方面,本申请实施例还提供一种芯片系统,包括:处理器,用于执行上述第一方面、或第二方面、或第一方面的各实现方法、或第二方面的各实现方法。
第十二方面,本申请实施例还提供一种通信系统,包括:网络设备和终端设备。网络设备,用于获取至少两个时分双工TDD载波的配置信息,所述至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波,所述配置信息指示在一个时隙配比周期中,所述第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且在所述时隙配比周期中,所述第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主;以及,用于向终端设备发送所述至少两个TDD载波的配置信息。终端设备,用于根据所述至少两个TDD载波的配置信息,传输信息。
第十三方面,本申请实施例还提供一种载波配置方法,包括:网络设备获取至少两个时分双工TDD载波的配置信息,所述至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波,所述配置信息指示在一个时隙配比周期中,所述第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且在所述时隙配比周期中,所述第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主;网络设备向终端设备发送所述至少两个TDD载波的配置信息。终端设备根据所述至少两个TDD载波的配置信息,传输信息。
附图说明
图1为本申请实施例所适用的一种网络架构示意图;
图2为现有技术中的TDD载波对应的时隙配比的一个示例;
图3为现有技术中的TDD载波对应的时隙配比的又一个示例;
图4为本申请实施例的提供一种载波配置方法示意图;
图5为本申请实施例提供的第一类型的TDD载波对应的时隙配比的一个示例;
图6为本申请实施例提供的第一类型的TDD载波对应的时隙配比的又一个示例;
图7为本申请实施例提供的第一类型的TDD载波对应的时隙配比的又一个示例;
图8为本申请实施例提供的第二类型的TDD载波对应的时隙配比的一个示例;
图9为本申请实施例提供的第二类型的TDD载波对应的时隙配比的又一个示例;
图10为本申请实施例提供的第二类型的TDD载波对应的时隙配比的又一个示例;
图11为本申请实施例提供的上下行TDD载波对应的时隙配比的一个示例;
图12为本申请实施例提供的上下行TDD载波对应的时隙配比的又一个示例;
图13为本申请实施例提供的上下行TDD载波对应的时隙配比的又一个示例;
图14为本申请实施例提供的上下行TDD载波对应的时隙配比的又一个示例;
图15为本申请实施例提供的一种通信装置示意图;
图16为本申请实施例提供的又一种通信装置示意图;
图17为本申请实施例提供的一种终端设备示意图;
图18为本申请实施例提供的一种网络设备示意图。
具体实施方式
如图1所示,为本申请实施例所适用的一种网络架构示意图,包括终端设备和网络设备。该终端设备通过无线接口与网络设备通信。
终端设备(terminal device),是一种具有无线收发功能的设备,可以部署在陆地上,包括室内或室外、手持或车载;也可以部署在水面上(如轮船等);还可以部署在空中(例如飞机、气球和卫星上等)。所述终端设备可以是手机(mobile phone)、平板电脑(pad)、带无线收发功能的电脑、虚拟现实(virtual reality,VR)终端、增强现实(augmented reality,AR)终端、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端、用户设备(user equipment,UE)等。
网络设备,是一种为终端设备提供无线通信功能的设备,网络设备包括但不限于:下一代基站(g nodeB,gNB)、演进型节点B(evolved node B,eNB)、无线网络控制器(radio network controller,RNC)、节点B(node B,NB)、基站控制器(base station controller,BSC)、基站收发台(base transceiver station,BTS)、家庭基站(例如,home evolved nodeB,或home node B,HNB)、基带单元(baseBand unit,BBU)、传输点(transmitting and receiving point,TRP)、发射点(transmitting point,TP)、移动交换中心等。
5G独立部署时,网络设备的逻辑体系可以采用CU和DU分离模式。基于协议栈功能的配置,CU-DU逻辑体系可以分为两种,即CU-DU分离架构和CU-DU融合架构。针对CU-DU分离架构,协议栈的功能可以动态配置和分割,其中一些功能在CU中实现,剩余功能在DU中实现。为满足不同分割选项的需求,需要支持理想传输网络和非理想传输网络。CU与DU之间的接口应当遵循第三代合作伙伴计划(3rd generation partnership project,3GPP)规范要求。针对CU-DU融合架构,CU和DU的逻辑功能整合在同一个网络设备中,以实现协议栈的全部功能。
TDD技术中,上下行链路可以工作在同一个频点,上下行链路使用不同的时域资源,也就是说,TDD的上下行链路可以通过不同的时域资源进行区分。而频分双工(Frequency Division Duplexing,FDD)技术中,上下行链路工作在不同的频点,上下行链路可以使用相同的时域资源,也就是说,FDD的上下行链路可以通过不同的频点进行区分。
现有技术中,TDD载波的时隙配比机制都是上行时隙、下行时隙和特殊时隙按照一定 比例设置。其中,上行时隙的仅包括用于上行传输的上行符号,下行时隙仅包括用于下行传输的下行符号,特殊时隙既包括用于上行传输的上行符号也包括用于下行传输的下行符号,并且特殊时隙中的上行符号和下行符号之间的比例也是有多种多样的,有的是上行符号占比较大,有的是下行符号占比较大。
如图2所示,为现有技术中的TDD载波对应的时隙配比的一个示例。该时隙配比以下行时隙为主,共有5个下行时隙,3个上行时隙和2个特殊时隙。由于有的上行时隙不是连续出现的,且间隔时间较长,导致上行数据到来时,可能需要等待较长一段时间才能发送。比如,在图2中的第一“D”的起始时刻有上行数据到来,则需要等待4个时隙的时间间隔,才能发送上行数据,即在图2中的第一个“U”的起始时刻发送上行数据。若等待的时间超过最低时延要求,如1ms,则可能导致不满足业务的时延要求。
如图3所示,为现有技术中的TDD载波对应的时隙配比的又一个示例。该时隙配比以上行时隙为主,共有2个下行时隙,6个上行时隙和2个特殊时隙。由于有的下行时隙不是连续出现的,且间隔时间较长,导致下行数据到来时,可能需要等待较长一段时间才能发送。比如,在图3中的第一“U”的起始时刻有下行数据到来,则需要等待4个时隙的时间间隔,才能发送下行数据,即在图3中的第二个“D”的起始时刻发送下行数据。若等待的时间超过最低时延要求,如1ms,则可能导致不满足业务的时延要求。
综上所述,现有技术的TDD载波的时隙配比可能会导致上行或下行的时延不能满足业务的时延要求,从而影响5G及后续通信在垂直行业上的应用。
为解决上述问题,基于图1所示的网络架构,如图4所示,本申请实施例提供一种载波配置方法。该方法通过TDD载波的组合方式,解决TDD载波由于时隙配比限制导致的时延问题。
该方法在终端设备侧,可以由终端设备或用于终端设备的部件(如芯片、电路等)执行;在网络侧,可以由网络设备或用于网络设备的部件(如芯片、电路等)执行。为便于说明,下面以终端设备和网络设备执行该方法为例进行说明。
该方法包括以下步骤:
步骤401,网络设备获取至少两个TDD载波的配置信息。
其中,该至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波。
可选的,该配置信息指示在一个时隙配比周期中第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且指示在该时隙配比周期中第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主。可以理解为,该配置信息指示了一个时隙配比周期中,一个或多个第一类型的TDD载波对应的每个时隙的符号方向配置,其中,第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,以及指示了一个或多个第二类型的TDD载波对应的每个时隙的符号方向配置,其中,第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主。
作为一种实现方法,上述配置信息可以为一个配置信息。可以理解为,通过一个配置信息指示所述至少两个TDD载波对应的每个时隙的符号方向配置。也即,一个配置信息,既指示了一个时隙配比周期中,一个或多个第一类型的TDD载波对应的每个时隙的符号方向配置,又指示了该时隙配比周期中一个或多个第二类型的TDD载波对应的每个时隙 的符号方向配置。
作为另一种实现方法,上述配置信息可以为两个配置信息,例如可以包括第一配置信息和第二配置信息,其中第一配置信息指示在一个时隙配比周期中第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,第二配置信息指示该时隙配比周期中第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主。可以理解为,通过两个配置信息指示所述至少两个TDD载波对应的每个时隙的符号方向配置。其中,第一TDD类型对应的第一配置信息指示了一个时隙配比周期中,一个或多个第一类型的TDD载波对应的每个时隙的符号方向配置,第二TDD类型对应的第二配置信息指示了上述时隙配比周期中,一个或多个第二类型的TDD载波对应的每个时隙的符号方向配置。
其中,第一类型的TDD载波对应的每个时隙的符号均为下行符号或以下行符号为主。以下行符号为主是指一个时隙中的下行符号的占比超过第一阈值,该第一阈值大于或等于50%。如图5所示,为本申请实施例提供的第一类型的TDD载波对应的时隙配比的一个示例。该TDD载波对应的每个时隙的符号均为下行符号。如图6所示,为本申请实施例提供的第一类型的TDD载波对应的时隙配比的又一个示例。该TDD载波对应的每个时隙的符号均以下行符号为主,也即每个时隙中既包括下行符号也包括上行符号,但下行符号的占比超过了50%。如图7所示,为本申请实施例提供的第一类型的TDD载波对应的时隙配比的又一个示例。该TDD载波对应的每个时隙的符号或者是均为下行符号,或者是以下行符号为主。其中,对于以下行符号为主的时隙的数量和出现的位置不做限定。
需要说明的是,对于一个时隙配比,若有多个时隙都是以下行符号为主,则可以不要求这些时隙中的下行符号占比相同,如果相同也是可以的。以图6为例,时隙配比中有10个时隙都是以下行符号为主,若每个时隙包括14个符号。例如第一个时隙中的下行符号可以是10个,第二个时隙中的下行符号可以是8个,第三个时隙中的下行符号可以是10个等等。只要每个时隙的下行符号至少是8个即可。
作为一种实现方法,第一类型的TDD载波对应的以下行符号为主的时隙中的上行符号用于发送上行探测参考信号或上行控制信道,不用于不发送上行数据或上行接入信道。如此,可以降低上行探测参考信号或上行控制信道的发送周期,也即提升上行探测参考信号或上行控制信道的发送频率,进而可以提升下行性能。
第二类型的TDD载波对应的每个时隙的符号均为上行符号为以上行符号为主。以上行符号为主是指一个时隙中的上行符号的占比超过第二阈值,该第二阈值大于或等于50%。如图8所示,为本申请实施例提供的第二类型的TDD载波对应的时隙配比的一个示例。该TDD载波对应的每个时隙的符号均为上行符号。如图9所示,为本申请实施例提供的第二类型的TDD载波对应的时隙配比的又一个示例。该TDD载波对应的每个时隙的符号均以上行符号为主,也即每个时隙中既包括下行符号也包括上行符号,但上行符号的占比超过了50%。如图10所示,为本申请实施例提供的第二类型的TDD载波对应的时隙配比的又一个示例。该TDD载波对应的每个时隙的符号或者是均为上行符号,或者是以上行符号为主。其中,对于以上行符号为主的时隙的数量和出现的位置不做限定。
需要说明的是,对于一个时隙配比,若有多个时隙都是以上行符号为主,则可以不要求这些时隙中的上行符号占比相同,当然如果相同也是可以的。以图9为例,时隙配比中有10个时隙都是以上行符号为主,若每个时隙包括14个符号。例如第一个时隙中的上行符号可以是10个,第二个时隙中的上行符号可以是9个,第三个时隙中的上行符号可以 是10个等等。只要每个时隙的上行符号至少是8个即可。
作为一种实现方法,第二类型的TDD载波对应的以上行符号为主的时隙中的下行符号用于发送下行参考信号或下行控制信道,不用于发送下行数据或广播信道。如此,可以增加下行参考信号或下行控制信道的资源,进而可以提升性能。
作为一种实现方法,上述配置信息还用于指示接入资源,该接入资源包括时域资源和/或频域资源。其中,时域资源包括上述时隙配比周期中的第二类型的TDD载波对应的一个或者多个符号。该接入资源用于指示终端设备在接入到网络时可以使用的时域资源和/或频域资源。需要说明的是,若上述步骤401中的配置信息包括第一配置信息和第二配置信息,则是通过第二配置信息指示上述接入资源。
可选的,上文以该配置信息指示在一个时隙配比周期中第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且指示在该时隙配比周期中第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主进行了介绍,需要说明的是,本申请实施例中,配置信息还可以指示第一类型的载波和第二类型的载波在时域资源上的其他组合形式。
示例性地,该配置信息可以指示在一个时隙配比周期中,第一类型的TDD载波在时域上均是上行时域资源,或者以上行时域资源为主(例如超过50%),且在该时隙配比周期中,第二类型的TDD载波在时域上均是下行时域资源,或者以下行时域资源为主(例如超过50%)。
在该示例中,可选的,第一类型的TDD载波在时域上以上行时域资源为主时,其下行时域资源用于发送下行参考信号或下行控制信道,不用于发送下行数据或广播信道。其中,第二类型的TDD载波在时域上以下行时域资源为主时,其上行时域资源用于发送上行探测参考信号或上行控制信道,不用于不发送上行数据或上行接入信道。
在该示例中,可选的,该配置信息具体可以是一个配置信息或者两个配置信息,例如第一配置信息和第二配置信息,其中第一配置信息指示一个时隙配比周期中第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,第二配置信息指示在该时隙配比周期中第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主。可选的,该第一配置信息和第二配置信息可以通过同一条消息或者不同的消息携带。
在该示例中,可选的,该下行时域资源包括一个或者多个下行时隙和/或下行符号。可选的,该上行时域资源包括一个或者多个上行时隙和/或上行符号。
步骤402,网络设备向终端设备发送该至少两个TDD载波的配置信息。相应的,终端设备可以接收到该至少两个TDD载波的配置信息。
作为一种实现方法,当上述步骤401中至少两个TDD载波的配置信息包括第一配置信息和第二配置信息,则网络设备可以在同一个消息中向终端设备发送第一配置信息和第二配置信息,或者是在不同的消息中向终端设备发送第一配置信息和第二配置信息。
当网络设备在不同的消息中向终端设备发送第一配置信息和第二配置信息,可选地,网络设备可以先向终端设备发送第一消息,其中携带上述第一配置信息,终端设备可以接收到第一配置信息。然后,网络设备向终端设备发送第二消息,该第二消息承载在第一类型的TDD载波对应的时隙上,该第二消息携带上述第二配置信息。基于该方式,可以通过第一类型的TDD载波对应的时隙发送第二类型的TDD载波的配置信息。可选地,第二消息为系统消息或无线资源控制消息。
步骤403,终端设备根据该至少两个TDD载波的配置信息,传输信息。
其中,终端设备根据该至少两个TDD载波的配置信息所指示的第一类型的TDD载波对应的时隙,在下行方向上发送数据、控制信息和/或信令等。
终端设备根据该至少两个TDD载波的配置信息所指示的第二类型的TDD载波对应的时隙,在上行方向上发送数据、控制信息和/或信令等。
上述给出了一个时隙配比周期中的TDD载波对应的时隙的配置方式,即在一个时隙配比周期中既包括第一类型TDD载波对应的时隙,还包括第二类型TDD载波对应的时隙。可选地,在其他时隙配比周期中的TDD载波对应的时隙的配置方式,与上述时隙配比周期中的TDD载波对应的时隙的配置方式相同。也即,所有不同的时隙配比周期是按照TDD载波对应的时隙的配置方式进行重复的。或者理解为,第一类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照上述时隙配比周期中的第一类型的TDD载波对应的每个时隙的符号方向进行重复,第二类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照上述时隙配比周期中的第二类型的TDD载波对应的每个时隙的符号方向进行重复。作为示例,每个时隙配比周期包括两个时隙,每个时隙配比周期中的第一个时隙的符号方向均为下行,第二个时隙的符号方向均为上行。再比如,每个时隙配比周期包括两个时隙,每个时隙配比周期中的第一个时隙中的前4个符号均为上行符号,后10个符号均为下行符号,第二个时隙中的前12个符号均为上行符号,后2个符号均为下行符号。
基于上述方案,通过两个或两个以上的TDD载波组合的方式,即至少一个第一类型的TDD载波和至少一个第二类型的TDD载波的组合,当采用第二类型的TDD载波进行上行数据传输时,若有下行数据需求,不需要等待至第二类型的TDD载波的下行符号,可以采用第一类型的TDD载波的下行时隙和/或符号进行下行数据传输,从而降低了下行数据传输的时延。又例如,当采用第一类型的TDD载波进行下行数据传输时,若有上行数据需求,不需要等待至第一类型的TDD载波的上行符号,可以采用第二类型的TDD载波的上行时隙和/或符号进行上行数据传输,从而降低了上行数据传输的时延。故而,这种TDD载波的组合方式,可以达到类似FDD载波的实现效果,使得上下行数据的发送资源得到充分保障,可以降低时延,进而可以提升上下行性能。并且,这种TDD载波的组合方式与FDD频段相比,其带宽可以更大,从而提升了上下行性能,保障了用户体验。
下面结合几个具体示例进行说明。需要说明的是,以下示例中,2.6G,2.3G,1.9G是示意频段,也可以是其他TDD频段。100M和50M是示意载波带宽,也可以为其它大小的带宽。
示例一
如图11所示,为本申请实施例提供的上下行TDD载波的对应的时隙配比的一个示例。其中,2.6G下行TDD载波的时隙配比的所有时隙的符号均为下行符号,2.3G上行TDD载波的时隙配比的所有时隙的符号均为上行符号。2.3G上行TDD载波的时隙配比,可以携带于承载在2.6G下行TDD载波对应的时隙上的系统消息或者无线资源控制消息。
基于该示例,若使用30k子载波间隔,则可以保证时延,且可以增强下行吞吐率和上行吞吐率。并且由于只有一个TDD载波进行下行发射,可以节省功耗。此外,现有技术频段高的情况下上行比较受限,而该示例采用低频全上行的方式可以补偿上行。
示例二
如图12所示,为本申请实施例提供的上下行TDD载波对应的时隙配比的又一个示例。其中,2.6G下行TDD载波的时隙配比的所有时隙的符号均以下行符号为主,2.3G上行TDD载波的时隙配比的所有时隙的符号均为上行符号。2.3G上行TDD载波的时隙配比,可以携带于承载在2.6G下行TDD载波对应的时隙上的系统消息或者无线资源控制消息。
可选地,以下行符号为主的时隙中的上行符号只发送上行探测参考信号或者上行控制信道,不发送上行数据和上行接入的信道。
基于该示例,可以解决2.6G探测参考信号的波束赋形问题,并且,由于探测参考信号的发送周期变得更稠密,因而可以解决30千米/小时以上的移动性体验问题。
示例三
如图13所示,为本申请实施例提供的上下行TDD载波对应的时隙配比的又一个示例。其中,2.6G下行TDD载波的时隙配比的所有时隙的符号均以下行符号为主,2.3G上行TDD载波的时隙配比的所有时隙的符号均以上行符号为主。2.3G上行TDD载波的时隙配比,可以携带于承载在2.6G下行TDD载波对应的时隙上的系统消息或者无线资源控制消息。
可选地,以下行符号为主的时隙中的上行符号只发送上行探测参考信号或者上行控制信道,不发送上行数据和上行接入的信道。以上行符号为主的时隙中的下行符号只发送下行参考信号或下行控制信道,不发送下行数据或广播信道。
基于该示例,相较于上述示例二,可以获得额外的增加下行控制信道的好处,避免控制信道出现瓶颈。
示例四
如图14所示,为本申请实施例提供的上下行TDD载波对应的时隙配比的又一个示例。其中,4.9G/SUB 10G下行TDD载波的时隙配比的所有时隙的符号均为下行符号,2.6G上行TDD载波的时隙配比的所有时隙的符号均为上行符号。2.6G上行TDD载波的时隙配比,可以携带于承载在4.9G/SUB 10G下行TDD载波对应的时隙上的系统消息或者无线资源控制消息。
基于该示例,可以充分利用4.9G的带宽和2.6的频段优势,解决上下行的覆盖和数据传输速率问题。其中,下行的覆盖可以通过基站侧的大功率和波束赋形增益解决,上行的覆盖可以通过频段低解决。4.9G/SUB10G可以充分做大阵子数、通道数和功率解决下行覆盖和容量。2.6G可以简化架构,例如,可进行仅接收(RX ONLY)的方式,解决上行速率瓶颈。
上述主要从各个网元之间交互的角度对本申请提供的方案进行了介绍。可以理解的是,上述实现各网元为了实现上述功能,其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,本发明能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本发明的范围。
可以理解的是,上述各个方法实施例中,对应由终端设备实现的步骤或者操作,也可以由配置于终端设备的部件(例如芯片或者电路)实现,对应由网络设备实现的步骤或者操作,也可以由配置于网络设备的部件(例如芯片或者电路)实现。
本申请实施例还提供用于实现以上任一种方法的装置,例如,提供一种装置包括用以实现以上任一种方法中终端设备所执行的各个步骤的单元(或手段)。再如,还提供另一种装置,包括用以实现以上任一种方法中网络设备所执行的各个步骤的单元(或手段)。
参考图15,为本申请实施例提供的一种通信装置的示意图。该装置用于实现上述方法实施例中对应终端设备所执行的各个步骤,如图15所示,该装置1500包括收发单元1501和传输单元1502。
收发单元1501,用于从网络设备接收至少两个TDD载波的配置信息,所述至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波,所述配置信息指示在一个时隙配比周期中,所述第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且在所述时隙配比周期中,所述第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主;传输单元1502,用于根据所述至少两个TDD载波的配置信息,传输信息。
在一种可能的实现方法中,所述配置信息包括所述至少一个第一类型的TDD载波对应的第一配置信息和所述至少一个第二类型的TDD载波对应的第二配置信息;所述收发单元1501,具体用于从所述网络设备接收第一消息,所述第一消息包括所述第一配置信息;从所述网络设备接收第二消息,所述第二消息包括所述第二配置信息,所述第二消息承载在所述第一类型的TDD载波对应的时隙。
作为一种实现方法,所述第二消息为系统消息或无线资源控制消息。
作为一种实现方法,所述第一类型的TDD载波对应的每个时隙以下行符号为主,且以下行符号为主的时隙中的上行符号用于发送上行探测参考信号或上行控制信道。
作为一种实现方法,所述第二类型的TDD载波对应的每个时隙以上行符号为主,且以上行符号为主的时隙中的下行符号用于发送下行参考信号或下行控制信道。
作为一种实现方法,所述配置信息还用于指示接入资源,所述接入资源包括时域资源和/或频域资源,所述时域资源包括所述时隙配比周期中,所述第二类型的TDD载波对应的一个或者多个符号。需要说明的是,当网络设备向终端设备发送两个配置信息,则这里的用于指示接入资源的配置信息指的是上述第二配置信息。
作为一种实现方法,所述以下行符号为主是指一个时隙中的下行符号的占比超过第一阈值,所述第一阈值大于或等于50%;所述以上行符号为主是指一个时隙中的上行符号的占比超过第二阈值,所述第二阈值大于或等于50%。
作为一种实现方法,所述第一类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照所述时隙配比周期中的所述第一类型的TDD载波对应的每个时隙的符号方向进行重复;所述第二类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照所述时隙配比周期中的所述第二类型的TDD载波对应的每个时隙的符号方向进行重复。
可以理解的是,上述各个单元也可以称为模块或者电路等,并且上述各个单元可以独立设置,也可以全部或者部分集成。上述收发单元1501也可称为通信接口。
可选的,上述通信装置1500还可以包括存储单元,该存储单元用于存储数据或者指令(也可以称为代码或者程序),上述各个单元可以和存储单元交互或者耦合,以实现对应的方法或者功能。例如,处理单元可以读取存储单元中的数据或者指令,使得通信装置实现上述实施例中的方法。
参考图16,为本申请实施例提供的一种通信装置的示意图。该装置用于实现上述方法实施例中对应网络设备所执行的各个步骤,如图16所示,该装置1600包括获取单元1601和收发单元1602。
获取单元1601,用于获取至少两个TDD载波的配置信息,所述至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波,所述配置信息指示在一个时隙配比周期中,所述第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且在所述时隙配比周期中,所述第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主;收发单元1602,用于向终端设备发送所述至少两个TDD载波的配置信息。
在一种可能的实现方法中,所述配置信息包括所述至少一个第一类型的TDD载波对应的第一配置信息和所述至少一个第二类型的TDD载波对应的第二配置信息;所述收发单元,具体用于所述收发单元,具体用于向所述终端设备发送第一消息,所述第一消息包括所述第一配置信息;向所述终端设备发送第二消息,所述第二消息包括所述第二配置信息,所述第二消息承载在所述第一类型的TDD载波对应的时隙。
作为一种实现方法,所述第二消息为系统消息或无线资源控制消息。
作为一种实现方法,所述第一类型的TDD载波对应的每个时隙以下行符号为主,且以下行符号为主的时隙中的上行符号用于发送上行探测参考信号或上行控制信道。
作为一种实现方法,所述第二类型的TDD载波对应的每个时隙以上行符号为主,且以上行符号为主的时隙中的下行符号用于发送下行参考信号或下行控制信道。
作为一种实现方法,所述配置信息还用于指示接入资源,所述接入资源包括时域资源和/或频域资源,所述时域资源包括所述时隙配比周期中,所述第二类型的TDD载波对应的一个或者多个符号。需要说明的是,当网络设备向终端设备发送两个配置信息,则这里的用于指示接入资源的配置信息指的是上述第二配置信息。
作为一种实现方法,所述以下行符号为主是指一个时隙中的下行符号的占比超过第一阈值,所述第一阈值大于或等于50%;所述以上行符号为主是指一个时隙中的上行符号的占比超过第二阈值,所述第二阈值大于或等于50%。
作为一种实现方法,所述第一类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照所述时隙配比周期中的所述第一类型的TDD载波对应的每个时隙的符号方向进行重复;所述第二类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照所述时隙配比周期中的所述第二类型的TDD载波对应的每个时隙的符号方向进行重复。
可以理解的是,上述各个单元也可以称为模块或者电路等,并且上述各个单元可以独立设置,也可以全部或者部分集成。上述收发单元1602也可称为通信接口。
可选的,上述通信装置1600还可以包括存储单元,该存储单元用于存储数据或者指令(也可以称为代码或者程序),上述各个单元可以和存储单元交互或者耦合,以实现对 应的方法或者功能。例如,处理单元可以读取存储单元中的数据或者指令,使得通信装置实现上述实施例中的方法。
应理解以上装置中单元的划分仅仅是一种逻辑功能的划分,实际实现时可以全部或部分集成到一个物理实体上,也可以物理上分开。且装置中的单元可以全部以软件通过处理元件调用的形式实现;也可以全部以硬件的形式实现;还可以部分单元以软件通过处理元件调用的形式实现,部分单元以硬件的形式实现。例如,各个单元可以为单独设立的处理元件,也可以集成在装置的某一个芯片中实现,此外,也可以以程序的形式存储于存储器中,由装置的某一个处理元件调用并执行该单元的功能。此外这些单元全部或部分可以集成在一起,也可以独立实现。这里所述的处理元件又可以成为处理器,可以是一种具有信号的处理能力的集成电路。在实现过程中,上述方法的各步骤或以上各个单元可以通过处理器元件中的硬件的集成逻辑电路实现或者以软件通过处理元件调用的形式实现。
在一个例子中,以上任一装置中的单元可以是被配置成实施以上方法的一个或多个集成电路,例如:一个或多个特定集成电路(Application Specific Integrated Circuit,ASIC),或,一个或多个微处理器(digital singnal processor,DSP),或,一个或者多个现场可编程门阵列(Field Programmable Gate Array,FPGA),或这些集成电路形式中至少两种的组合。再如,当装置中的单元可以通过处理元件调度程序的形式实现时,该处理元件可以是通用处理器,例如中央处理器(Central Processing Unit,CPU)或其它可以调用程序的处理器。再如,这些单元可以集成在一起,以片上系统(system-on-a-chip,SOC)的形式实现。
以上用于接收的单元(例如接收单元)是一种该装置的接口电路,用于从其它装置接收信号。例如,当该装置以芯片的方式实现时,该接收单元是该芯片用于从其它芯片或装置接收信号的接口电路。以上用于发送的单元(例如发送单元)是一种该装置的接口电路,用于向其它装置发送信号。例如,当该装置以芯片的方式实现时,该发送单元是该芯片用于向其它芯片或装置发送信号的接口电路。
参考图17,其为本申请实施例提供的一种终端设备的结构示意图。该终端设备用于实现以上实施例中终端设备的操作。如图17所示,该终端设备包括:天线1710、射频装置1720、信号处理部分1730。天线1710与射频装置1720连接。在下行方向上,射频装置1720通过天线1710接收网络设备发送的信息,将网络设备发送的信息发送给信号处理部分1730进行处理。在上行方向上,信号处理部分1730对终端设备的信息进行处理,并发送给射频装置1720,射频装置1720对终端设备的信息进行处理后经过天线1710发送给网络设备。
信号处理部分1730用于实现对数据各通信协议层的处理。信号处理部分1730可以为该终端设备的一个子系统,则该终端设备还可以包括其它子系统,例如中央处理子系统,用于实现对终端设备操作系统以及应用层的处理;再如,周边子系统用于实现与其它设备的连接。信号处理部分1730可以为单独设置的芯片。可选的,以上的装置可以位于信号处理部分1730。
信号处理部分1730可以包括一个或多个处理元件1731,例如,包括一个主控CPU和其它集成电路,以及包括接口电路1733。此外,该信号处理部分1730还可以包括存储元件1732。存储元件1732用于存储数据和程序,用于执行以上方法中终端设备所执行的方法的程序可能存储,也可能不存储于该存储元件1732中,例如,存储于信号处理部分1730 之外的存储器中,使用时信号处理部分1730加载该程序到缓存中进行使用。接口电路1733用于与装置通信。以上装置可以位于信号处理部分1730,该信号处理部分1730可以通过芯片实现,该芯片包括至少一个处理元件和接口电路,其中处理元件用于执行以上终端设备执行的任一种方法的各个步骤,接口电路用于与其它装置通信。在一种实现中,实现以上方法中各个步骤的单元可以通过处理元件调度程序的形式实现,例如该装置包括处理元件和存储元件,处理元件调用存储元件存储的程序,以执行以上方法实施例中终端设备执行的方法。存储元件可以为处理元件处于同一芯片上的存储元件,即片内存储元件。
在另一种实现中,用于执行以上方法中终端设备所执行的方法的程序可以在与处理元件处于不同芯片上的存储元件,即片外存储元件。此时,处理元件从片外存储元件调用或加载程序于片内存储元件上,以调用并执行以上方法实施例中终端设备执行的方法。
在又一种实现中,终端设备实现以上方法中各个步骤的单元可以是被配置成一个或多个处理元件,这些处理元件设置于信号处理部分1730上,这里的处理元件可以为集成电路,例如:一个或多个ASIC,或,一个或多个DSP,或,一个或者多个FPGA,或者这些类集成电路的组合。这些集成电路可以集成在一起,构成芯片。
实现以上方法中各个步骤的单元可以集成在一起,以片上系统(system-on-a-chip,SOC)的形式实现,该SOC芯片,用于实现以上方法。该芯片内可以集成至少一个处理元件和存储元件,由处理元件调用存储元件的存储的程序的形式实现以上终端设备执行的方法;或者,该芯片内可以集成至少一个集成电路,用于实现以上终端设备执行的方法;或者,可以结合以上实现方式,部分单元的功能通过处理元件调用程序的形式实现,部分单元的功能通过集成电路的形式实现。
可见,以上装置可以包括至少一个处理元件和接口电路,其中至少一个处理元件用于执行以上方法实施例所提供的任一种终端设备执行的方法。处理元件可以以第一种方式:即调用存储元件存储的程序的方式执行终端设备执行的部分或全部步骤;也可以以第二种方式:即通过处理器元件中的硬件的集成逻辑电路结合指令的方式执行终端设备执行的部分或全部步骤;当然,也可以结合第一种方式和第二种方式执行终端设备执行的部分或全部步骤。
这里的处理元件同以上描述,可以是通用处理器,例如CPU,还可以是被配置成实施以上方法的一个或多个集成电路,例如:一个或多个ASIC,或,一个或多个微处理器DSP,或,一个或者多个FPGA等,或这些集成电路形式中至少两种的组合。存储元件可以是一个存储器,也可以是多个存储元件的统称。
参考图18,为本申请实施例提供的一种网络设备的结构示意图。该网络设备用于实现以上实施例中网络设备的操作。如图18所示,该网络设备包括:天线1810、射频装置1820、基带装置1830。天线1810与射频装置1820连接。在上行方向上,射频装置1820通过天线1810接收终端设备发送的信息,将终端设备发送的信息发送给基带装置1830进行处理。在下行方向上,基带装置1830对终端设备的信息进行处理,并发送给射频装置1820,射频装置1820对终端设备的信息进行处理后经过天线1810发送给终端设备。
基带装置1830可以包括一个或多个处理元件1831,例如,包括一个主控CPU和其它集成电路,以及还包括接口1833。此外,该基带装置1830还可以包括存储元件1832,存储元件1832用于存储程序和数据;接口1833用于与射频装置1820交互信息,该接口例 如为通用公共无线接口(common public radio interface,CPRI)。以上用于网络设备的装置可以位于基带装置1830,例如,以上用于网络设备的装置可以为基带装置1830上的芯片,该芯片包括至少一个处理元件和接口电路,其中处理元件用于执行以上网络设备执行的任一种方法的各个步骤,接口电路用于与其它装置通信。在一种实现中,网络设备实现以上方法中各个步骤的单元可以通过处理元件调度程序的形式实现,例如用于网络设备的装置包括处理元件和存储元件,处理元件调用存储元件存储的程序,以执行以上方法实施例中网络设备执行的方法。存储元件可以为处理元件处于同一芯片上的存储元件,即片内存储元件,也可以为与处理元件处于不同芯片上的存储元件,即片外存储元件。
在另一种实现中,网络设备实现以上方法中各个步骤的单元可以是被配置成一个或多个处理元件,这些处理元件设置于基带装置上,这里的处理元件可以为集成电路,例如:一个或多个ASIC,或,一个或多个DSP,或,一个或者多个FPGA,或者这些类集成电路的组合。这些集成电路可以集成在一起,构成芯片。
网络设备实现以上方法中各个步骤的单元可以集成在一起,以片上系统(system-on-a-chip,SOC)的形式实现,例如,基带装置包括该SOC芯片,用于实现以上方法。该芯片内可以集成至少一个处理元件和存储元件,由处理元件调用存储元件的存储的程序的形式实现以上网络设备执行的方法;或者,该芯片内可以集成至少一个集成电路,用于实现以上网络设备执行的方法;或者,可以结合以上实现方式,部分单元的功能通过处理元件调用程序的形式实现,部分单元的功能通过集成电路的形式实现。
可见,以上用于网络设备的装置可以包括至少一个处理元件和接口电路,其中至少一个处理元件用于执行以上方法实施例所提供的任一种网络设备执行的方法。处理元件可以以第一种方式:即调用存储元件存储的程序的方式执行网络设备执行的部分或全部步骤;也可以以第二种方式:即通过处理器元件中的硬件的集成逻辑电路结合指令的方式执行网络设备执行的部分或全部步骤;当然,也可以结合第一种方式和第二种方式执行以上网络设备执行的部分或全部步骤。
这里的处理元件同以上描述,可以是通用处理器,例如CPU,还可以是被配置成实施以上方法的一个或多个集成电路,例如:一个或多个ASIC,或,一个或多个微处理器DSP,或,一个或者多个FPGA等,或这些集成电路形式中至少两种的组合。存储元件可以是一个存储器,也可以是多个存储元件的统称。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包括一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质,(例如,软盘、硬盘、磁带)、光介质(例如,DVD)、或者半导体介质(例如固态硬盘(solid state disk,SSD))等。
本领域普通技术人员可以理解:本申请中涉及的第一、第二等各种数字编号仅为描述方便进行的区分,不表示先后顺序,并不用来限制本申请实施例的范围。“和/或”,描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。“至少一个”是指一个或者多个。至少两个是指两个或者多个。“至少一个”、“任意一个”或其类似表达,是指的这些项中的任意组合,包括单项(个)或复数项(个)的任意组合。例如,a,b,或c中的至少一项(个、种),可以表示:a,b,c,a-b,a-c,b-c,或a-b-c,其中a,b,c可以是单个,也可以是多个。“多个”是指两个或两个以上,其它量词与之类似。
本申请实施例中所描述的各种说明性的逻辑单元和电路可以通过通用处理器,数字信号处理器,专用集成电路(ASIC),现场可编程门阵列(FPGA)或其它可编程逻辑装置,离散门或晶体管逻辑,离散硬件部件,或上述任何组合的设计来实现或操作所描述的功能。通用处理器可以为微处理器,可选地,该通用处理器也可以为任何传统的处理器、控制器、微控制器或状态机。处理器也可以通过计算装置的组合来实现,例如数字信号处理器和微处理器,多个微处理器,一个或多个微处理器联合一个数字信号处理器核,或任何其它类似的配置来实现。
在一个或多个示例性的设计中,本申请所描述的上述功能可以在硬件、软件、固件或这三者的任意组合来实现。如果在软件中实现,这些功能可以存储与电脑可读的媒介上,或以一个或多个指令或代码形式传输于电脑可读的媒介上。电脑可读媒介包括电脑存储媒介和便于使得让电脑程序从一个地方转移到其它地方的通信媒介。存储媒介可以是任何通用或特殊电脑可以接入访问的可用媒体。例如,这样的电脑可读媒体可以包括但不限于RAM、ROM、EEPROM、CD-ROM或其它光盘存储、磁盘存储或其它磁性存储装置,或其它任何可以用于承载或存储以指令或数据结构和其它可被通用或特殊电脑、或通用或特殊处理器读取形式的程序代码的媒介。此外,任何连接都可以被适当地定义为电脑可读媒介,例如,如果软件是从一个网站站点、服务器或其它远程资源通过一个同轴电缆、光纤电脑、双绞线、数字用户线(DSL)或以例如红外、无线和微波等无线方式传输的也被包含在所定义的电脑可读媒介中。所述的碟片(disk)和磁盘(disc)包括压缩磁盘、镭射盘、光盘、数字通用光盘(英文:Digital Versatile Disc,简称:DVD)、软盘和蓝光光盘,磁盘通常以磁性复制数据,而碟片通常以激光进行光学复制数据。上述的组合也可以包含在电脑可读媒介中。
本领域技术人员应该可以意识到,在上述一个或多个示例中,本申请所描述的功能可以用硬件、软件、固件或它们的任意组合来实现。当使用软件实现时,可以将这些功能存储在计算机可读介质中或者作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质,其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是通用或专用计算机能够存取的任何可用介质。
尽管结合具体特征及其实施例对本申请进行了描述,显而易见的,在不脱离本申请的精神和范围的情况下,可对其进行各种修改和组合。相应地,本说明书和附图仅仅是所附权利要求所界定的本申请的示例性说明,且视为已覆盖本申请范围内的任意和所有修改、变化、组合或等同物。显然,本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的范围。这样,倘若本申请的这些修改和变型属于本申请权利要求及其等同技术 的范围之内,则本申请也意图包括这些改动和变型在内。

Claims (31)

  1. 一种载波配置方法,其特征在于,包括:
    终端设备从网络设备接收至少两个时分双工TDD载波的配置信息,所述至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波,所述配置信息指示在一个时隙配比周期中,所述第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且指示在所述时隙配比周期中,所述第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主;
    所述终端设备根据所述至少两个TDD载波的配置信息,传输信息。
  2. 如权利要求1所述的方法,其特征在于,所述配置信息包括所述至少一个第一类型的TDD载波对应的第一配置信息和所述至少一个第二类型的TDD载波对应的第二配置信息;
    所述终端设备从网络设备接收至少两个TDD载波的配置信息,包括:
    所述终端设备从所述网络设备接收第一消息,所述第一消息包括所述第一配置信息;
    所述终端设备从所述网络设备接收第二消息,所述第二消息包括所述第二配置信息,所述第二消息承载在所述第一类型的TDD载波对应的时隙。
  3. 如权利要求2所述的方法,其特征在于,所述第二消息为系统消息或无线资源控制消息。
  4. 如权利要求1-3任一所述的方法,其特征在于,所述第一类型的TDD载波对应的每个时隙以下行符号为主,且以下行符号为主的时隙中的上行符号用于发送上行探测参考信号或上行控制信道。
  5. 如权利要求1-4任一所述的方法,其特征在于,所述第二类型的TDD载波对应的每个时隙以上行符号为主,且以上行符号为主的时隙中的下行符号用于发送下行参考信号或下行控制信道。
  6. 如权利要求1-5任一所述的方法,其特征在于,所述配置信息还用于指示接入资源,所述接入资源包括时域资源和/或频域资源,所述时域资源包括所述时隙配比周期中,所述第二类型的TDD载波对应的一个或者多个符号。
  7. 如权利要求1-6任一所述的方法,其特征在于,所述以下行符号为主是指一个时隙中的下行符号的占比超过第一阈值,所述第一阈值大于或等于50%;
    所述以上行符号为主是指一个时隙中的上行符号的占比超过第二阈值,所述第二阈值大于或等于50%。
  8. 如权利要求1-7任一所述的方法,其特征在于,所述第一类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照所述时隙配比周期中的所述第一类型的TDD载波对应的每个时隙的符号方向进行重复;
    所述第二类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照所述时隙配比周期中的所述第二类型的TDD载波对应的每个时隙的符号方向进行重复。
  9. 一种载波配置方法,其特征在于,包括:
    网络设备获取至少两个时分双工TDD载波的配置信息,所述至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波,所述配置信息指示在一个时隙配比周期中,所述第一类型的TDD载波对应的每个时隙均为下行符号或以下行符 号为主,且指示在所述时隙配比周期中,所述第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主;
    所述网络设备向终端设备发送所述至少两个TDD载波的配置信息。
  10. 如权利要求9所述的方法,其特征在于,所述配置信息包括所述至少一个第一类型的TDD载波对应的第一配置信息和所述至少一个第二类型的TDD载波对应的第二配置信息;
    所述网络设备向终端设备发送所述至少两个TDD载波的配置信息,包括:
    所述网络设备向所述终端设备发送第一消息,所述第一消息包括所述第一配置信息;
    所述网络设备向所述终端设备发送第二消息,所述第二消息包括所述第二配置信息,所述第二消息承载在所述第一类型的TDD载波对应的时隙。
  11. 如权利要求10所述的方法,其特征在于,所述第二消息为系统消息或无线资源控制消息。
  12. 如权利要求9-11任一所述的方法,其特征在于,所述第一类型的TDD载波对应的每个时隙以下行符号为主,且以下行符号为主的时隙中的上行符号用于发送上行探测参考信号或上行控制信道。
  13. 如权利要求9-12任一所述的方法,其特征在于,所述第二类型的TDD载波对应的每个时隙以上行符号为主,且以上行符号为主的时隙中的下行符号用于发送下行参考信号或下行控制信道。
  14. 如权利要求9-13任一所述的方法,其特征在于,所述配置信息还用于指示接入资源,所述接入资源包括时域资源和/或频域资源,所述时域资源包括所述时隙配比周期中,所述第二类型的TDD载波对应的一个或者多个符号。
  15. 如权利要求9-14任一所述的方法,其特征在于,所述以下行符号为主是指一个时隙中的下行符号的占比超过第一阈值,所述第一阈值大于或等于50%;
    所述以上行符号为主是指一个时隙中的上行符号的占比超过第二阈值,所述第二阈值大于或等于50%。
  16. 如权利要求9-15任一所述的方法,其特征在于,所述第一类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照所述时隙配比周期中的所述第一类型的TDD载波对应的每个时隙的符号方向进行重复;
    所述第二类型的TDD载波在其他时隙配比周期中对应的每个时隙的符号方向,按照所述时隙配比周期中的所述第二类型的TDD载波对应的每个时隙的符号方向进行重复。
  17. 一种通信装置,其特征在于,包括:
    收发单元,用于从网络设备接收至少两个TDD载波的配置信息,所述至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波,所述配置信息指示在一个时隙配比周期中,所述第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且指示在所述时隙配比周期中,所述第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主;
    传输单元,用于根据所述至少两个TDD载波的配置信息,传输信息。
  18. 如权利要求17所述的装置,其特征在于,所述配置信息包括所述至少一个第一类型的TDD载波对应的第一配置信息和所述至少一个第二类型的TDD载波对应的第二配置信息;
    所述收发单元,具体用于从所述网络设备接收第一消息,所述第一消息包括所述第一配置信息;从所述网络设备接收第二消息,所述第二消息包括所述第二配置信息,所述第二消息承载在所述第一类型的TDD载波对应的时隙。
  19. 一种通信装置,其特征在于,包括:
    获取单元,用于获取至少两个TDD载波的配置信息,所述至少两个TDD载波包括至少一个第一类型的TDD载波和至少一个第二类型的TDD载波,所述配置信息指示在一个时隙配比周期中,所述第一类型的TDD载波对应的每个时隙均为下行符号或以下行符号为主,且指示在所述时隙配比周期中,所述第二类型的TDD载波对应的每个时隙均为上行符号或以上行符号为主;
    收发单元,用于向终端设备发送所述至少两个TDD载波的配置信息。
  20. 如权利要求19所述的装置,其特征在于,所述配置信息包括所述至少一个第一类型的TDD载波对应的第一配置信息和所述至少一个第二类型的TDD载波对应的第二配置信息;
    所述收发单元,具体用于所述收发单元,具体用于向所述终端设备发送第一消息,所述第一消息包括所述第一配置信息;向所述终端设备发送第二消息,所述第二消息包括所述第二配置信息,所述第二消息承载在所述第一类型的TDD载波对应的时隙。
  21. 一种终端设备,其特征在于,包括:处理器和接口电路,所述接口电路用于与其它装置通信,所述处理器用于执行权利要求1-8任一所述的方法。
  22. 一种网络设备,其特征在于,包括:处理器和接口电路,所述接口电路用于与其它装置通信,所述处理器用于执行权利要求9-16任一所述的方法。
  23. 一种终端设备,其特征在于,包括:处理器和存储器;所述存储器用于存储计算机执行指令,当所述终端设备运行时,所述处理器执行所述存储器存储的所述计算机执行指令,以使所述终端设备执行如权利要求1-8任一所述方法。
  24. 一种网络设备,其特征在于,包括:处理器和存储器;所述存储器用于存储计算机执行指令,当所述网络设备运行时,所述处理器执行所述存储器存储的所述计算机执行指令,以使所述网络设备执行如权利要求9-16任一所述方法。
  25. 一种通信装置,其特征在于,用于执行如权利要求1-8任一所述方法。
  26. 一种通信装置,其特征在于,用于执行如权利要求9-16任一所述方法。
  27. 一种芯片系统,其特征在于,包括:
    存储器,用于存储计算机程序;
    处理器,用于从所述存储器调用并运行所述计算机程序,使得安装有所述芯片系统的设备执行如权利要求1-8任一所述方法。
  28. 一种芯片系统,其特征在于,包括:
    存储器,用于存储计算机程序;
    处理器,用于从所述存储器调用并运行所述计算机程序,使得安装有所述芯片系统的设备执行如权利要求9-16任一所述方法。
  29. 一种通信系统,其特征在于,包括:用于执行权利要求1-8任一所述方法的终端设备,和用于执行权利要求9-16任一所述方法的网络设备。
  30. 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质存储程序,所述程序被处理器调用时,权利要求1-16任一所述的方法被执行。
  31. 一种计算机程序产品,其特征在于,包括计算机程序,当所述计算机程序被通信装置执行时,实现如权利要求1-16任一所述的方法。
PCT/CN2021/081305 2020-03-25 2021-03-17 载波配置方法、装置及系统 WO2021190376A1 (zh)

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EP21774334.3A EP4117365A4 (en) 2020-03-25 2021-03-17 METHOD, APPARATUS AND SYSTEM FOR CONFIGURING CARRIERS
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