[go: up one dir, main page]

WO2022016990A1 - Procédé et dispositif d'indication pour informations de configuration de système satellite - Google Patents

Procédé et dispositif d'indication pour informations de configuration de système satellite Download PDF

Info

Publication number
WO2022016990A1
WO2022016990A1 PCT/CN2021/095777 CN2021095777W WO2022016990A1 WO 2022016990 A1 WO2022016990 A1 WO 2022016990A1 CN 2021095777 W CN2021095777 W CN 2021095777W WO 2022016990 A1 WO2022016990 A1 WO 2022016990A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
satellite
system configuration
downlink
signaling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/095777
Other languages
English (en)
Chinese (zh)
Inventor
缪德山
孙韶辉
康绍莉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Datang Mobile Communications Equipment Co Ltd
Original Assignee
Datang Mobile Communications Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Datang Mobile Communications Equipment Co Ltd filed Critical Datang Mobile Communications Equipment Co Ltd
Publication of WO2022016990A1 publication Critical patent/WO2022016990A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18519—Operations control, administration or maintenance

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular, to a method and device for indicating configuration information of a satellite system.
  • the configuration information of the satellite system and the configuration information of the ground mobile communication system are quite different, especially for the low-orbit satellites that move at high speed. Since there are various configurations of different orbits, different beams, and different processing modes in the satellite system, in order to support operations such as quick access of terminals, network selection, mobility management, etc., how to configure system information in the satellite system needs to be solved at present. problem.
  • Embodiments of the present disclosure provide a method and device for indicating satellite system configuration information, which are used to implement satellite system information configuration in a satellite system.
  • an embodiment of the present disclosure provides a method for indicating configuration information of a satellite system, which is applied to a network device, including:
  • the downlink instruction message carries the satellite system configuration information.
  • the satellite system configuration information includes satellite orbit height, satellite type, satellite tilt angle information, beam direction information, beam width information, beam coverage size, clock offset rate, At least one of the clock correction coefficients.
  • the downlink indication message includes a master information block (MIB), a system information block (SIB), radio resource control (RRC) signaling, medium access control element (MAC CE) signaling, and a downlink control channel (PDCCH) at least one item of signaling information.
  • MIB master information block
  • SIB system information block
  • RRC radio resource control
  • MAC CE medium access control element
  • PDCCH downlink control channel
  • sending a downlink indication message includes:
  • a downlink indication message is sent, and the downlink indication message carries the current satellite system configuration information.
  • indication information sent by the terminal where the indication information is used to indicate the satellite system configuration information requested by the terminal;
  • Send downlink indication message including:
  • a downlink indication message is sent according to the indication information, and the downlink indication message carries the satellite system configuration information requested by the terminal to be acquired.
  • the indication information is carried in signaling information of an uplink control channel (PUCCH), MAC CE signaling or RRC signaling.
  • PUCCH uplink control channel
  • MAC CE MAC CE signaling
  • RRC Radio Resource Control
  • sending the downlink indication message according to the indication information includes:
  • the downlink indication message is sent to the terminal according to the indication information, and the downlink indication message is carried in the signaling information of the PDCCH, downlink control information (DCI), MAC CE signaling or RRC signaling.
  • DCI downlink control information
  • MAC CE MAC CE signaling
  • RRC Radio Resource Control
  • sending a downlink indication message to the terminal according to the indication information includes:
  • a downlink instruction message is sent to the terminal according to the instruction information, and the downlink instruction message carries the current satellite system configuration information.
  • the satellite system configuration information requested to be acquired includes at least one of the following:
  • an embodiment of the present disclosure provides a method for indicating configuration information of a satellite system, including:
  • the downlink instruction message carries the satellite system configuration information.
  • the satellite system configuration information includes satellite orbit height, satellite type, satellite tilt angle information, beam direction information, beam width information, beam coverage size, and clock. At least one of skew rate and clock correction factor.
  • the downlink indication message includes at least one of MIB, SIB, RRC signaling, MAC CE signaling, and PDCCH signaling information.
  • receiving a downlink indication message sent by a network device includes:
  • the downlink indication message sent by the network device is received, and the downlink indication message carries the current satellite system configuration information.
  • it also includes:
  • Receive a downlink indication message sent by a network device including:
  • a downlink indication message sent by the network device according to the indication information is received, where the downlink indication message carries the satellite system configuration information requested by the terminal to be acquired.
  • the indication information is carried in PUCCH signaling information, MAC CE signaling or RRC signaling.
  • receiving a downlink indication message sent by a network device according to the indication information includes:
  • receiving a downlink indication message sent by a network device according to the indication information includes:
  • a downlink indication message sent by the network device according to the indication information is received, and the downlink indication message carries the current satellite system configuration information.
  • the satellite system configuration information requested to be acquired includes at least one of the following:
  • it also includes:
  • Timing compensation information or clock adjustment information is determined based on a timing reference point, a clock offset rate or a clock correction coefficient in the satellite system configuration information.
  • an embodiment of the present disclosure provides a network device, including:
  • the sending module is used to send a downlink instruction message.
  • the downlink instruction message carries satellite system configuration information.
  • the satellite system configuration information includes satellite orbit height, satellite type, satellite inclination angle information, beam direction information, beam width information, beam coverage size, At least one of clock skew rate and clock correction factor.
  • an embodiment of the present disclosure provides a terminal, including:
  • the receiving module is used to receive the downlink instruction message sent by the network device.
  • the downlink instruction message carries satellite system configuration information, and the satellite system configuration information includes satellite orbit height, satellite type, satellite tilt angle information, beam direction information, beam width information, At least one of beam coverage size, clock offset rate, and clock correction factor.
  • an embodiment of the present disclosure provides a network device, including a processor, a memory, and a transceiver;
  • a transceiver which receives and transmits data under the control of the processor
  • an embodiment of the present disclosure provides a terminal, including a processor, a memory, and a transceiver;
  • a transceiver which receives and transmits data under the control of the processor
  • an embodiment of the present disclosure provides a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to cause a computer to execute the method according to any one of the first aspects.
  • an embodiment of the present disclosure provides a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to cause a computer to execute the method according to any one of the second aspects.
  • the network device sends a downlink instruction message
  • the downlink instruction message carries satellite system configuration information
  • the satellite system configuration information includes satellite orbit height, satellite type, satellite tilt angle information, beam direction information, and beam width information. , at least one of beam coverage size, clock offset rate, and clock correction coefficient, so as to implement satellite system information configuration in the satellite system.
  • FIG. 1 exemplarily shows a schematic diagram of an application scenario provided by an embodiment of the present disclosure
  • FIG. 2 exemplarily shows a flowchart of a method for indicating satellite system configuration information provided by an embodiment of the present disclosure
  • FIG. 3 exemplarily shows a flowchart of a method for indicating satellite system configuration information based on terminal requirements provided by an embodiment of the present disclosure
  • FIG. 4 exemplarily shows a functional structure diagram of a network device provided by an embodiment of the present disclosure
  • FIG. 5 exemplarily shows a functional structure diagram of a terminal provided by an embodiment of the present disclosure
  • FIG. 6 exemplarily shows a hardware structure diagram of a network device provided by an embodiment of the present disclosure
  • FIG. 7 exemplarily shows a hardware structure diagram of a terminal provided by an embodiment of the present disclosure.
  • first and second are only used for different descriptions, and should not be understood as implying or implying relative importance or implying the number of indicated technical features.
  • the features defined as “first”, “second”, may expressly or implicitly include one or more of the features, and in the description of the embodiments of the present disclosure, unless otherwise stated, “at least one ” means one or more than one.
  • a network device is a device that provides wireless communication functions for the terminal, including but not limited to: gNB in 5G, radio network controller (RNC), node B (node B, NB) , base station controller (BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved nodeB, or home node B, HNB), baseband unit (BaseBand Unit, BBU), transmission point (transmitting and receiving point, TRP), transmitting point (transmitting point, TP), mobile switching center, etc.
  • 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
  • baseband unit BaseBand Unit
  • the base station in the present disclosure may also be a device that provides wireless communication functions for terminals in other communication systems that may appear in the future.
  • a terminal is a device that can provide users with voice and/or data connectivity.
  • the terminal device includes a handheld device with a wireless connection function, a vehicle-mounted device, and the like.
  • terminal devices can be: mobile phones (mobile phones), tablet computers, notebook computers, PDAs, mobile Internet devices (MIDs), wearable devices, virtual reality (virtual reality, VR) devices, augmented reality (augmented reality (AR) equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in smart grid, wireless terminals in transportation safety A wireless terminal, a wireless terminal in a smart city, or a wireless terminal in a smart home, etc.
  • the messages that network equipment needs to broadcast mainly include frequency point information, cell wireless parameter configuration information, neighbor cell measurement and access control information, etc.
  • the terminal needs to obtain these information to complete cell access when accessing the network.
  • it can adapt to switch, paging and other operations to maintain high-quality communication service transmission.
  • the satellite system includes three modes: high-orbit, medium-orbit, and low-orbit.
  • the transmission capability based on satellite is divided into on-board processing and transparent forwarding mode.
  • the satellite system itself includes frequency, bandwidth, beam, etc. These configuration elements make the operation of the satellite communication system more complicated.
  • the satellite communication system will broadcast ephemeris, beam, frequency and other information to the terminal, so that the terminal can determine the orbital position of the satellite.
  • the current satellite communication system generally only supports fixed single-point access communication, and does not consider some functions of mobile communication, such as handover, interference avoidance, paging, network selection and other technical requirements, and does not consider the rapid movement of low-orbit satellites.
  • the time-frequency synchronization requirements especially the multi-user synchronization requirements in the Orthogonal Frequency Division Multiplexing (OFDM) system, cause the satellite communication system to be unable to operate stably.
  • the satellite communication system needs more information indication.
  • the satellite system configuration information is sent through a broadcast message, wherein the satellite system configuration information includes at least one of satellite operating orbit information, beam configuration information, satellite load information, satellite timing and clock information, which is satellite communication More information indications are provided, so that the information configuration of the satellite system is realized in the satellite system, and the stability of the satellite communication system is further improved.
  • FIG. 1 exemplarily shows a schematic diagram of a satellite communication system provided by an embodiment of the present disclosure.
  • a satellite communication system generally consists of a satellite 100, a ground station 200, and terminals (300a-300c).
  • the satellite 100 acts as a relay station in the air, that is, amplifies the electromagnetic waves sent by the ground station 200 and sends it back to another ground station.
  • the ground station 200 is the interface between the satellite system and the public network on the ground, and terminals (300a-300c) on the ground can access the satellite system through the ground station 200 to form a link.
  • the ground station 200 may be a network device such as a base station, a transmission point, and a mobile switching center.
  • the terminals (300a to 300c) are various user terminals, such as a notebook computer 300a, a tablet computer 300b, and a mobile phone 300c.
  • FIG. 2 exemplarily shows a flowchart of a method for indicating configuration information of a satellite system provided by an embodiment of the present disclosure. As shown in the figure, the process mainly includes the following steps:
  • the network device sends a downlink instruction message, where the downlink instruction message carries satellite system configuration information, where the satellite system configuration information includes satellite orbit height, satellite type, satellite tilt angle information, beam direction information, beam width information, beam coverage size, clock At least one of skew rate and clock correction factor.
  • satellite system configuration information includes satellite orbit height, satellite type, satellite tilt angle information, beam direction information, beam width information, beam coverage size, clock At least one of skew rate and clock correction factor.
  • the satellite system configuration information further includes: satellite ephemeris information, satellite almanac information, valid time of satellite orbit information, beam usage frequency, satellite load type, transmission distance of feeder links, feeder At least one item of link direction information and timing reference point.
  • Table 1 exemplarily shows the parameter meanings and application methods of the satellite system configuration information provided by the embodiments of the present disclosure.
  • LEO Low Earth Orbit
  • MEO Medium Earth Orbit
  • GEO the English abbreviation of The Geostationary Orbit.
  • the satellite system configuration information has a large number of parameters and needs to occupy a large number of bits.
  • the information type and load of the satellite system configuration information can be notified separately by using the downlink indication message.
  • the downlink indication message includes a master information block (Master Information Block, MIB) and a system information block (System Information Block, SIB).
  • MIB Master Information Block
  • SIB System Information Block
  • the number of bits of information carried by the MIB is limited and can be used to carry satellite system configuration.
  • the satellite ID and satellite orbit type in the information, other information occupies a large number of bits, which will exceed the maximum capacity supported by the Physical Broadcast Channel (PBCH).
  • PBCH Physical Broadcast Channel
  • SIB can be used to carry satellite orbit height, satellite type, and satellite inclination. At least one item of angle information, beam direction information, beam width information, beam coverage size, clock offset rate, and clock correction coefficient.
  • a fixed period may be employed, such as once every 20 milliseconds (ms).
  • ms milliseconds
  • SIB transmission it can be periodic or aperiodic. Due to the large amount of satellite system configuration information, when the SIBs are sent according to the configured period, the configured periods of the SIBs carrying different satellite system configuration information are different, thereby reducing resource overhead.
  • the sending period can be 10 minutes (min)
  • the sending period can be 1 min
  • the sending period can be 500 ms
  • the SIB When carrying satellite timing and clock information, the transmission period can be 200ms.
  • the downlink indication message further includes radio resource control (Radio Resource Control, RRC) signaling, media access control element (Media Access Control Element, MAC CE) signaling, downlink control channel (Physical Downlink Control Channel, At least one item of signaling information of PDCCH).
  • RRC Radio Resource Control
  • MAC CE Media Access Control Element
  • PDCCH Physical Downlink Control Channel
  • S202 The terminal receives a downlink indication message carrying satellite system configuration information to acquire satellite system configuration information.
  • the terminal can perform cell access, cell handover, and interference avoidance according to the acquired satellite system configuration information.
  • the terminal after receiving the satellite system configuration information sent by the network device, the terminal determines network parameters of the satellite according to the satellite system configuration information, and performs at least one of the following operations:
  • timing compensation information or clock adjustment information is determined.
  • the network device when the load of the satellite system configuration information is relatively large, the network device carries the satellite system configuration information in a data packet and sends it to the terminal.
  • the network device can indicate the satellite system configuration information in the data packet through the application program APP.
  • the network device sends a broadcast message carrying satellite system configuration information, where the satellite system configuration information includes satellite orbit height, satellite type, satellite tilt angle information, beam direction information, beam width information, beam At least one item of coverage size, clock offset rate, and clock correction coefficient provides more information indications for satellite communication, so as to realize satellite system information configuration in the satellite system.
  • the satellite system configuration information includes satellite orbit height, satellite type, satellite tilt angle information, beam direction information, beam width information, beam At least one item of coverage size, clock offset rate, and clock correction coefficient provides more information indications for satellite communication, so as to realize satellite system information configuration in the satellite system.
  • the network device updates the configuration information of the satellite system, and sends a downlink instruction message carrying the updated configuration information of the satellite system.
  • the terminal performs cell access, cell handover, interference avoidance, and RRM measurement according to the updated satellite system configuration information.
  • the situation in which the configuration information of the satellite system changes includes at least one of the following:
  • the current satellite or adjacent satellite collides with the GEO satellite at the equator, and it is necessary to avoid the interference to the GEO satellite and adjust the pitch angle of the satellite and the beam;
  • the current satellite or adjacent satellites adjust the transmission bandwidth of the satellite system
  • the current satellite or adjacent satellites are operating in high latitudes, and the satellites will be shut down soon;
  • the validity period of the ephemeris information of the current serving satellite or adjacent satellites expires, and the terminal needs to be notified of the new ephemeris information.
  • the terminal may perform a satellite search based on pre-stored ephemeris information or the ephemeris information when the connection was last disconnected, and adjust the beam transceiving angle to receive the satellite ID and satellite orbit type carried by the MIB and the satellite orbit altitude, At least one of satellite type, satellite tilt angle information, beam direction information, beam width information, beam coverage size, clock offset rate, clock correction coefficient, and adjust timing parameters and Doppler reception correction parameters according to MIB and SIB And configure the cell access parameters to access the corresponding cell.
  • the terminal sends a Physical Random Access Channel (PRACH) signal to the network device for acquiring satellite timing information and uplink Doppler compensation information, and the network device responds after receiving the PRACH signal.
  • PRACH Physical Random Access Channel
  • the physical access channel PRACH response message and indication information are sent to the terminal, and the terminal sends an RRC connection request message on the PRACH channel according to the indication information to establish an RRC connection with the network device.
  • the network device sends RRC reconfiguration signaling to the terminal, and the RRC reconfiguration signaling carries more accurate satellite system configuration information, so that the terminal can track the signal and running track of the satellite in real time, and at the same time accurately determine the satellite coverage position. Keep time-frequency synchronization with network devices.
  • the terminal when the terminal initially accesses the cell, it receives satellite system configuration information so as to quickly acquire satellite signals and access the network.
  • the ephemeris information of satellites usually has a validity period, and the accuracy will gradually decrease as the time becomes longer.
  • the network device when the terminal exits the RRC connection state, the network device sends a downlink indication message to the terminal, the downlink indication The message carries the current satellite system configuration information, so that the terminal saves the latest satellite system configuration information.
  • the latest satellite system configuration information (such as satellite ephemeris information) can prolong the time for two accesses, so that when the terminal accesses the cell again, it becomes more efficient and accurate.
  • the terminal after the terminal accesses the cell, the terminal needs to maintain continuous time-frequency synchronization with the network, and can switch new satellite beams and new satellites when the satellite moves, but the terminal does not receive downlinks in real time
  • the accuracy of the instruction message or the satellite system configuration information carried in the downlink instruction message cannot meet the requirements of the terminal, and the terminal has different requirements for the accuracy of the satellite system configuration information at different stages.
  • the terminal needs to request the network device to indicate the configuration information of one or more satellite systems, which is used for the operation behaviors such as Radio Resource Management (RRM) measurement, handover, and data reception of the satellite system.
  • the satellite system configuration information includes the satellite operating orbit information. , beam direction information, satellite working mode information.
  • the terminal when measuring the RRM of a neighboring cell, the terminal needs the beam width and frequency range of the neighboring cell so that it can detect the SSB signal or other reference signals, and the terminal needs the reference timing information of the current cell for the local cell, so that it can maintain real-time and local reference timing information.
  • Beam synchronization of the cell for another example, when the terminal switches between cells, it needs to determine the beam coverage of the cell, and needs to obtain satellite beam width information and satellite inclination information. For different operation behaviors, the terminal needs different satellite system configuration information.
  • FIG. 3 exemplarily shows a flowchart of a method for indicating satellite system configuration information based on terminal requirements provided by an embodiment of the present disclosure. As shown in the figure, the process mainly includes the following steps:
  • S301 The terminal sends indication information, where the indication information is used to indicate the satellite system configuration information requested by the terminal to be acquired.
  • the satellite system configuration information requested by the terminal includes satellite orbit height, satellite type, satellite inclination angle information, satellite ephemeris information, satellite almanac information, effective time of satellite orbit information, beam direction information, beam At least one of width information, beam usage frequency, beam coverage size, satellite load type, transmission distance of feeder link, feeder link direction information, timing reference point, clock offset rate, and clock correction coefficient.
  • the indication information is carried in PUCCH signaling information, MAC CE signaling or RRC signaling.
  • S302 The network device receives the indication information sent by the terminal.
  • the network device sends a downlink indication message to the terminal according to the indication information, where the downlink indication message carries the satellite system configuration information requested by the terminal to acquire.
  • the network device updates the satellite's tilt angle information, beam usage frequency and satellite timing information according to the indication information of the signaling information carried on the PUCCH, and sends the signaling information of the PDCCH carrying the downlink indication message to the terminal, and the downlink indication
  • the message carries the latest satellite system configuration information requested by the terminal, or the network device updates the satellite operating orbit information, beam direction information, satellite load information, timing reference point, clock offset rate and at least one of the clock correction coefficients, and send RRC signaling carrying a downlink indication message to the terminal, where the downlink indication message carries the latest satellite system configuration information requested by the terminal to acquire.
  • the downlink indication message can also be carried in dynamic signaling (such as DCI or MAC CE signaling).
  • the terminal can perform cell access, cell handover, interference avoidance, etc. according to the satellite system configuration information obtained by the request.
  • the terminal after receiving the satellite system configuration information requested to be acquired, the terminal determines network parameters of the satellite according to the satellite system configuration information requested to be acquired, and performs at least one of the following operations:
  • Timing compensation information or clock adjustment information is determined based on the timing reference point, clock offset rate, and clock correction coefficient in the satellite system configuration information.
  • the network device sends a downlink indication message to the terminal according to the indication information.
  • the downlink indication message is carried in PDCCH signaling information, DCI, MAC CE signaling or RRC signaling, and the downlink indication message carries the current satellite system configuration information, so that the terminal saves the latest satellite system configuration information.
  • the latest satellite system configuration information (such as satellite ephemeris information) can prolong the time between two accesses, so that when the terminal accesses the cell again, it becomes more efficient and accurate.
  • the terminal sends indication information through PUCCH signaling information, MAC CE or RRC signaling, and the indication information is used to indicate the satellite system configuration information requested by the terminal to acquire, and the network device sends the information requested by the terminal to acquire according to the indication information. Satellite system configuration information, saving resource overhead.
  • an embodiment of the present disclosure provides a network device, and the network device can implement the functions in the foregoing embodiments.
  • the network device includes: a sending module 401 for sending a downlink instruction message, where the downlink instruction message carries satellite system configuration information, and the satellite system configuration information includes satellite orbit height, satellite type, satellite tilt angle information, and beam direction at least one of information, beam width information, beam coverage size, clock offset rate, and clock correction coefficient.
  • the downlink indication message includes at least one of MIB, SIB, RRC signaling, MAC CE signaling, and PDCCH signaling information.
  • the sending module 401 is configured to send a downlink indication message when the terminal exits the RRC connection state, and the downlink indication message carries the current satellite system configuration information.
  • the network device includes: a receiving module 402, configured to receive indication information sent by the terminal, where the indication information is used to indicate the satellite system configuration information requested by the terminal to acquire;
  • the sending module 401 is configured to send a downlink indication message according to the indication information, where the downlink indication message carries the satellite system configuration information requested by the terminal.
  • the indication information is carried in PUCCH signaling information, MAC CE signaling or RRC signaling.
  • the sending module 401 is configured to: send a downlink indication message to the terminal according to the indication information, and the downlink indication message is carried in the signaling information of PDCCH, downlink control information DCI, MAC CE signaling or RRC signaling.
  • the sending module 401 is configured to: when the terminal exits the RRC connection state, send a downlink indication message to the terminal according to the indication information, where the downlink indication message carries the current satellite system configuration information.
  • the satellite system configuration information requested to be acquired includes at least one of the following:
  • an embodiment of the present disclosure provides a terminal, which can implement the functions in the foregoing embodiments.
  • the terminal includes: a receiving module 501 for receiving a downlink instruction message sent by a network device, where the downlink instruction message carries satellite system configuration information, and the satellite system configuration information includes satellite orbit altitude, satellite type, satellite inclination angle information, At least one item of beam direction information, beam width information, beam coverage size, clock offset rate, and clock correction coefficient.
  • the downlink instruction message carries satellite system configuration information
  • the satellite system configuration information includes satellite orbit altitude, satellite type, satellite inclination angle information, At least one item of beam direction information, beam width information, beam coverage size, clock offset rate, and clock correction coefficient.
  • the downlink indication message includes at least one of MIB, SIB, RRC signaling, MAC CE signaling, and PDCCH signaling information.
  • the receiving module 501 is configured to: when exiting the RRC connection state, receive a downlink indication message sent by a network device, where the downlink indication message carries the current satellite system configuration information.
  • the terminal further includes a sending module 502, configured to send indication information to the network device, where the indication information is used to indicate the satellite system configuration information requested by the terminal to be acquired;
  • the receiving module 501 is configured to receive a downlink indication message sent by the network device according to the indication information, where the downlink indication message carries the satellite system configuration information requested by the terminal to obtain.
  • the indication information is carried in PUCCH signaling information, MAC CE signaling or RRC signaling.
  • the receiving module 501 is configured to: receive a downlink indication message sent by a network device according to the indication information, where the downlink indication message is carried in PDCCH signaling information, downlink control information DCI, MAC CE signaling or RRC signaling .
  • the receiving module 501 is configured to: when exiting the RRC connection state, receive a downlink indication message sent by the network device according to the indication information, where the downlink indication message carries the current satellite system configuration information.
  • the satellite system configuration information requested to be acquired includes at least one of the following:
  • the terminal further includes a processing module 503, configured to determine the network parameters of the satellite according to the satellite system configuration information, and perform at least one of the following operations:
  • Timing compensation information or clock adjustment information is determined based on a timing reference point, a clock offset rate or a clock correction coefficient in the satellite system configuration information.
  • an embodiment of the present disclosure also provides a network device, which can implement the method in the above-mentioned embodiment.
  • FIG. 6 exemplarily shows a schematic structural diagram of a network side device in an embodiment of the present disclosure.
  • the network side device may include: a processor 601 , a memory 602 , a transceiver 603 and a bus interface 604 .
  • the processor 601 is responsible for managing the bus architecture and general processing, and the memory 602 may store data used by the processor 601 in performing operations.
  • the transceiver 603 is used to receive and transmit data under the control of the processor 601 .
  • the bus architecture may include any number of interconnected buses and bridges, in particular one or more processors represented by processor 601 and various circuits of memory represented by memory 602 linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
  • the bus interface provides the interface.
  • the processor 601 is responsible for managing the bus architecture and general processing, and the memory 602 may store data used by the processor 601 in performing operations.
  • the processes disclosed in the embodiments of the present disclosure may be applied to the processor 601 or implemented by the processor 601 .
  • each step of the signal processing flow can be completed by an integrated logic circuit of hardware in the processor 601 or an instruction in the form of software.
  • the processor 601 may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may implement or execute the embodiments of the present disclosure.
  • a general purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present disclosure may be directly embodied as executed by a hardware processor, or executed by a combination of hardware and software modules in the processor.
  • the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory 602, and the processor 601 reads the information in the memory 602, and completes the steps of the signal processing flow in combination with its hardware.
  • the processor 601 is configured to read computer instructions in the memory 602 and execute the functions implemented by the network device in the processes shown in FIG. 2 and FIG. 3 .
  • an embodiment of the present disclosure further provides a terminal, which can implement the method in the above-mentioned embodiment.
  • FIG. 7 exemplarily shows a schematic structural diagram of a terminal in an embodiment of the present disclosure.
  • the terminal may include: a processor 701 , a memory 702 , a transceiver 703 and a bus interface 704 .
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 702 may store data used by the processor 701 in performing operations.
  • the transceiver 703 is used to receive and transmit data under the control of the processor 701 .
  • the bus architecture may include any number of interconnected buses and bridges, in particular one or more processors represented by processor 701 and various circuits of memory represented by memory 702 linked together.
  • the bus architecture may also link together various other circuits, such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be described further herein.
  • the bus interface provides the interface.
  • the processor 701 is responsible for managing the bus architecture and general processing, and the memory 702 may store data used by the processor 701 in performing operations.
  • the processes disclosed in the embodiments of the present disclosure may be applied to the processor 701 or implemented by the processor 701 .
  • each step of the signal processing flow can be completed by an integrated logic circuit of hardware in the processor 701 or an instruction in the form of software.
  • the processor 701 may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, and may implement or execute the embodiments of the present disclosure.
  • a general purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present disclosure may be directly embodied as executed by a hardware processor, or executed by a combination of hardware and software modules in the processor.
  • the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory 702, and the processor 701 reads the information in the memory 702, and completes the steps of the signal processing flow in combination with its hardware.
  • the processor 701 is configured to read the computer instructions in the memory 702 and execute the functions implemented by the terminal in the processes shown in FIG. 2 and FIG. 3 .
  • Embodiments of the present disclosure further provide a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to cause the computer to execute the method executed by the network device in the foregoing embodiments.
  • Embodiments of the present disclosure further provide a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to cause the computer to execute the method executed by the terminal in the foregoing embodiments.
  • embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
  • computer-usable storage media including, but not limited to, disk storage, CD-ROM, optical storage, etc.
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions
  • the apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un dispositif d'indication pour des informations de configuration de système satellite. Le procédé est appliqué à un dispositif réseau et comprend les étapes consistant à : envoyer un message d'indication de liaison descendante, le message d'indication de liaison descendante transportant des informations de configuration de système satellite, les informations de configuration de système satellite comprenant la hauteur d'une orbite de satellite et/ou le type d'un satellite et/ou des informations d'angle d'inclinaison du satellite et/ou des informations de direction d'un faisceau d'onde et/ou des informations de largeur du faisceau d'onde et/ou une taille de couverture de faisceau et/ou un décalage d'horloge et/ou un coefficient de correction d'horloge, ce qui permet de réaliser une configuration d'informations de système satellite dans un système satellite.
PCT/CN2021/095777 2020-07-24 2021-05-25 Procédé et dispositif d'indication pour informations de configuration de système satellite Ceased WO2022016990A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010726002.4A CN113972944A (zh) 2020-07-24 2020-07-24 一种卫星系统配置信息的指示方法及设备
CN202010726002.4 2020-07-24

Publications (1)

Publication Number Publication Date
WO2022016990A1 true WO2022016990A1 (fr) 2022-01-27

Family

ID=79585871

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/095777 Ceased WO2022016990A1 (fr) 2020-07-24 2021-05-25 Procédé et dispositif d'indication pour informations de configuration de système satellite

Country Status (2)

Country Link
CN (1) CN113972944A (fr)
WO (1) WO2022016990A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114846902A (zh) * 2022-03-30 2022-08-02 北京小米移动软件有限公司 终端行为的确定方法、装置、设备及存储介质
CN114976577A (zh) * 2022-06-17 2022-08-30 陕西兴际通通信有限公司 天线跟踪方法、装置、系统、存储介质和程序产品
CN115550947A (zh) * 2022-11-25 2022-12-30 北京九天微星科技发展有限公司 一种上行探测参考信号传输方法及设备
CN115694606A (zh) * 2022-10-19 2023-02-03 航天科工空间工程网络技术发展(杭州)有限公司 一种网络设备通信系统、方法
CN116366139A (zh) * 2023-04-13 2023-06-30 中国联合网络通信集团有限公司 卫星通信链路切换方法、装置、高低轨融合系统及介质
WO2023216161A1 (fr) * 2022-05-11 2023-11-16 北京小米移动软件有限公司 Procédé et appareil de transmission de capacité de mesure d'équipement utilisateur, et support de stockage lisible
WO2024031460A1 (fr) * 2022-08-10 2024-02-15 北京小米移动软件有限公司 Procédé et appareil de détermination de comportement d'accès, dispositif de communication et support de stockage
WO2024207368A1 (fr) * 2023-04-06 2024-10-10 北京小米移动软件有限公司 Procédé et appareil de détermination d'informations de couverture de satellite
WO2024212751A1 (fr) * 2023-04-11 2024-10-17 大唐移动通信设备有限公司 Procédé et appareil de transmission d'informations, et dispositif
WO2024260208A1 (fr) * 2023-06-21 2024-12-26 中兴通讯股份有限公司 Procédé d'envoi de message, dispositif électronique et support de stockage
WO2025065390A1 (fr) * 2023-09-27 2025-04-03 华为技术有限公司 Procédé, appareil et système d'attribution de ressources de commande dans une communication non terrestre

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117015067A (zh) * 2022-04-29 2023-11-07 展讯通信（上海）有限公司 一种信息传输方法及相关装置
CN116155369B (zh) * 2023-04-20 2023-08-29 成都爱瑞无线科技有限公司 卫星通信方法、卫星设备、终端及存储介质
WO2025073159A1 (fr) * 2023-10-05 2025-04-10 Huawei Technologies Co., Ltd. Procédés, dispositifs et support de stockage lisible par ordinateur pour activation et commutation de faisceau
CN120321630A (zh) * 2024-01-12 2025-07-15 维沃移动通信有限公司 信息获取方法、装置及通信设备
CN120456239A (zh) * 2024-02-01 2025-08-08 荣耀终端股份有限公司 一种通信方法、通信装置、网络设备及终端设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190313357A1 (en) * 2018-04-05 2019-10-10 Qualcomm Incorporated Techniques for initial access in wireless systems
CN110545138A (zh) * 2019-09-29 2019-12-06 中兴通讯股份有限公司 一种信息指示方法、装置及计算机可读存储介质
CN111050381A (zh) * 2018-10-12 2020-04-21 华为技术有限公司 数据传输方法及装置
CN111385013A (zh) * 2018-12-29 2020-07-07 华为技术有限公司 广播数据的方法和装置
CN113131986A (zh) * 2019-12-31 2021-07-16 大唐移动通信设备有限公司 一种卫星波束偏置处理方法、设备及介质

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11165491B2 (en) * 2018-12-31 2021-11-02 Hughes Network Systems, Llc Location management for satellite systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190313357A1 (en) * 2018-04-05 2019-10-10 Qualcomm Incorporated Techniques for initial access in wireless systems
CN111050381A (zh) * 2018-10-12 2020-04-21 华为技术有限公司 数据传输方法及装置
CN111385013A (zh) * 2018-12-29 2020-07-07 华为技术有限公司 广播数据的方法和装置
CN110545138A (zh) * 2019-09-29 2019-12-06 中兴通讯股份有限公司 一种信息指示方法、装置及计算机可读存储介质
CN113131986A (zh) * 2019-12-31 2021-07-16 大唐移动通信设备有限公司 一种卫星波束偏置处理方法、设备及介质

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114846902A (zh) * 2022-03-30 2022-08-02 北京小米移动软件有限公司 终端行为的确定方法、装置、设备及存储介质
WO2023216161A1 (fr) * 2022-05-11 2023-11-16 北京小米移动软件有限公司 Procédé et appareil de transmission de capacité de mesure d'équipement utilisateur, et support de stockage lisible
CN114976577A (zh) * 2022-06-17 2022-08-30 陕西兴际通通信有限公司 天线跟踪方法、装置、系统、存储介质和程序产品
WO2024031460A1 (fr) * 2022-08-10 2024-02-15 北京小米移动软件有限公司 Procédé et appareil de détermination de comportement d'accès, dispositif de communication et support de stockage
CN115694606A (zh) * 2022-10-19 2023-02-03 航天科工空间工程网络技术发展(杭州)有限公司 一种网络设备通信系统、方法
CN115550947B (zh) * 2022-11-25 2023-08-18 北京九天微星科技发展有限公司 一种上行探测参考信号传输方法及设备
CN115550947A (zh) * 2022-11-25 2022-12-30 北京九天微星科技发展有限公司 一种上行探测参考信号传输方法及设备
WO2024207368A1 (fr) * 2023-04-06 2024-10-10 北京小米移动软件有限公司 Procédé et appareil de détermination d'informations de couverture de satellite
WO2024212751A1 (fr) * 2023-04-11 2024-10-17 大唐移动通信设备有限公司 Procédé et appareil de transmission d'informations, et dispositif
CN116366139A (zh) * 2023-04-13 2023-06-30 中国联合网络通信集团有限公司 卫星通信链路切换方法、装置、高低轨融合系统及介质
CN116366139B (zh) * 2023-04-13 2025-07-01 中国联合网络通信集团有限公司 卫星通信链路切换方法、装置、高低轨融合系统及介质
WO2024260208A1 (fr) * 2023-06-21 2024-12-26 中兴通讯股份有限公司 Procédé d'envoi de message, dispositif électronique et support de stockage
WO2025065390A1 (fr) * 2023-09-27 2025-04-03 华为技术有限公司 Procédé, appareil et système d'attribution de ressources de commande dans une communication non terrestre

Also Published As

Publication number Publication date
CN113972944A (zh) 2022-01-25

Similar Documents

Publication Publication Date Title
WO2022016990A1 (fr) Procédé et dispositif d'indication pour informations de configuration de système satellite
KR102688303B1 (ko) 도플러 편이 보상 방법 및 장치
US11968640B2 (en) Timing advance update method, terminal, and base station
CN114928880B (zh) 一种确定定时提前量的方法及设备
EP3849255A1 (fr) Procédé et appareil de communication
KR102491526B1 (ko) 이중 연결을 위한 자동 이웃 관계 개선 기법
CN114244418B (zh) 频偏补偿方法及装置
CN114788363B (zh) 一种通信方法及装置
EP4022797B1 (fr) Procédés et systèmes pour réduire un espace de recherche de faisceau pour la sélection d'un faisceau optimal
WO2021135869A1 (fr) Procédé de traitement de décalage de faisceau de satellite, dispositif, et support
US20240040527A1 (en) Method for window offset determination and terminal
CN116686234A (zh) 星历数据信令-随时间的增量
CN113228796A (zh) 自适应随机接入响应窗口
WO2019095783A1 (fr) Procédé d'association, procédé d'instruction, et dispositif pour bloc de synchronisation et message de signalisation de planification de radiomessagerie
US20250293765A1 (en) Method and apparatus for wireless communication
US20230180093A1 (en) Communication method, apparatus, and system
US20230397060A1 (en) Aperiodic System Information Broadcast
US11627613B2 (en) Mechanism for low latency communication using historical beam information
EP3764585B1 (fr) Procédé et appareil de communication
WO2021035730A1 (fr) Procédé et appareil de communication
WO2018082671A1 (fr) Procédé et appareil de mise à jour de système
EP4054228B1 (fr) Procédé et appareil utilisés pour un accès
CN117674948A (zh) 一种频偏补偿方法及相关设备
CN116264728A (zh) 提前同步的方法和通信装置
US20250350354A1 (en) Ephemeris data signaling with extensions indicating cell coverage

Legal Events

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

Ref document number: 21845778

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21845778

Country of ref document: EP

Kind code of ref document: A1