WO2018233594A1 - Procédé de transmission et procédé de réception d'informations système, station de base, et terminal de communication mobile - Google Patents

Procédé de transmission et procédé de réception d'informations système, station de base, et terminal de communication mobile Download PDF

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Publication number
WO2018233594A1
WO2018233594A1 PCT/CN2018/091798 CN2018091798W WO2018233594A1 WO 2018233594 A1 WO2018233594 A1 WO 2018233594A1 CN 2018091798 W CN2018091798 W CN 2018091798W WO 2018233594 A1 WO2018233594 A1 WO 2018233594A1
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WIPO (PCT)
Prior art keywords
system information
mobile communication
communication terminal
parameter
base station
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PCT/CN2018/091798
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English (en)
Chinese (zh)
Inventor
胡南
Original Assignee
中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2018233594A1 publication Critical patent/WO2018233594A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/34—Reselection control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength

Definitions

  • the present disclosure relates to the field of wireless communication technologies, and in particular, to a system information sending method, a receiving method, a base station, and a mobile communication terminal.
  • the terminal is in the radio resource control (RRC) radio idle state (Idle) state, whether it is Long Term Evolution (LTE) or 5th Generation Mobile Radio System (5G NR, 5th-Generation New Radio).
  • RRC radio resource control
  • Idle Long Term Evolution
  • 5G NR 5th Generation Mobile Radio System
  • cell reselection is required to ensure that the cell can be camped at any time, ensuring that it can be paged and access the system at any time.
  • the cell reselection process of the LTE mainly includes the following steps: S1, the terminal camps on the cell, and receives system information of the cell, where the system information of the cell includes cell reselection information, such as frequency band, bandwidth, offset, and the like. S2, the terminal performs measurement according to certain criteria according to the acquired system information, and selects a more suitable cell to camp, thereby completing the cell reselection process.
  • S1 the terminal camps on the cell, and receives system information of the cell, where the system information of the cell includes cell reselection information, such as frequency band, bandwidth, offset, and the like.
  • S2 the terminal performs measurement according to certain criteria according to the acquired system information, and selects a more suitable cell to camp, thereby completing the cell reselection process.
  • the system information of the 5G NR is designed, the information related to the cell reselection will not be broadcasted, but the terminal is notified based on the manner of the terminal request. Since the terminal initiates the request and is not controlled by the network, it may cause uncontrollable when the terminal requests the base station to request cell reselection related information.
  • An object of the embodiments of the present disclosure is to provide a system information sending method, a receiving method, a base station, and a mobile communication terminal, so as to implement when the network controls the terminal to request system information from the base station.
  • an embodiment of the present disclosure provides a system information sending method, including:
  • an embodiment of the present disclosure provides a system information receiving method, including:
  • an embodiment of the present disclosure provides a system information sending method, including:
  • an embodiment of the present disclosure provides a system information receiving method, including:
  • an embodiment of the present disclosure provides a base station, including a processor, a transmitter, and a receiver.
  • the transmitter is configured to send a control message for controlling transmission of the request message
  • the receiver is configured to receive the request message sent by the mobile communication terminal for requesting system information
  • the transmitter is also used to transmit system information.
  • an embodiment of the present disclosure provides a mobile communication terminal, including a processor, a transmitter, and a receiver;
  • the receiver is configured to receive a control message sent by the base station to control transmission of the request message
  • the transmitter is configured to send the request message for requesting system information
  • the receiver is further configured to receive system information sent by the base station.
  • an embodiment of the present disclosure provides a base station, including a transmitter and a receiver;
  • the receiver is configured to receive a frequency band parameter sent by the mobile communication terminal to indicate a target frequency band
  • the transmitter is for transmitting system information.
  • an embodiment of the present disclosure provides a mobile communication terminal, including a transmitter and a receiver;
  • the transmitter is configured to send a frequency band parameter for indicating a target frequency band
  • the receiver is configured to receive system information.
  • an embodiment of the present disclosure provides a communication device including a memory, a processor, and a computer program stored on the memory and executable on the processor; wherein the processor executes the program
  • the above-described system information transmitting method applied to a base station or the above-described system information receiving method applied to a mobile communication terminal is implemented.
  • an embodiment of the present disclosure provides a computer readable storage medium having stored thereon a computer program, where the program is executed by a processor to implement the steps in the system information sending method applied to the base station, or the foregoing application The steps in the system information receiving method of the mobile communication terminal.
  • the system information transmitting method, the receiving method, the base station, and the mobile communication terminal of the embodiment of the present disclosure receive the request message for requesting system information sent by the mobile communication terminal by transmitting a control message for controlling transmission of the request message, and transmitting
  • the system information enables the base station to send a control message for controlling transmission of the request message before transmitting the system information, and the mobile communication terminal sends a request message for requesting system information according to the received control message, thereby implementing network control.
  • the terminal requests system information from the base station to implement orderly transmission of the terminal request message.
  • FIG. 1 is a flowchart showing a system information transmitting method according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart showing a system information receiving method according to an embodiment of the present disclosure
  • FIG. 3 is a flowchart showing another system information receiving method according to an embodiment of the present disclosure.
  • FIG. 4 is a flowchart showing another system information transmitting method according to an embodiment of the present disclosure.
  • FIG. 5 is a flowchart showing still another system information receiving method according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a mobile communication terminal according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • FIG. 9 is a block diagram showing another structure of a mobile communication terminal according to an embodiment of the present disclosure.
  • an embodiment of the present disclosure provides a system information sending method, which is applied to a base station, and includes the following steps:
  • Step 101 Send a control message for controlling transmission of the request message.
  • Step 102 Receive a request message sent by the mobile communication terminal for requesting system information.
  • Step 103 Send system information.
  • the system information may be information used by the mobile communication terminal to perform cell reselection.
  • the mobile communication terminal may camp on the cell and be in an RRC connected state.
  • the system information sending method of the embodiment of the present disclosure receives the request message for requesting system information sent by the mobile communication terminal by transmitting a control message for controlling transmission of the request message, and transmits system information, so that the base station can be Before transmitting the system information, sending a control message for controlling transmission of the request message, and the mobile communication terminal transmits a request message for requesting system information according to the received control message, thereby implementing when the network control terminal requests the system from the base station Information to achieve an orderly transmission of terminal request messages.
  • the base station since the neighboring area information held by the base station is large, the base station will occupy more downlink resources when transmitting the neighboring area information to the mobile communication terminal, in particular, if the neighboring area information The one-to-one transmission is performed by dedicated signaling, and the downlink resources consumed will be more. Therefore, in order to avoid consuming excessive downlink resources, the base station may further control under what conditions the mobile communication terminal sends a request message when controlling the mobile communication terminal to send the request message.
  • the control message sent by the base station to the mobile communication terminal may carry the following thresholds of one or several control parameters: a reference signal power, a received reference signal quality, and a signal and interference noise ratio of the received reference signal.
  • the threshold of the control parameter carried in the control message sent by the base station is not limited to the thresholds of the foregoing three control parameters, and may be the threshold of other control parameters, and the threshold of any control parameter, depending on the specific situation. There may be one or more, and the embodiment of the present disclosure does not limit it.
  • the mobile communication terminal may send the request message according to the measured value of the control parameter and the threshold of the control parameter carried in the control message. Specifically, the request message may be sent by the mobile communication terminal when the measured value of the control parameter is less than or equal to the threshold of the control parameter.
  • the base station controls the mobile communication terminal to resend the request message when the measured value of the control parameter satisfies the threshold condition, thereby reducing the number of times the mobile communication terminal sends the request message, thereby reducing the number of times the base station receives the request message, and reducing the number of times the base station transmits the system information.
  • the base station controls the mobile communication terminal to resend the request message when the measured value of the control parameter satisfies the threshold condition, thereby reducing the number of times the mobile communication terminal sends the request message, thereby reducing the number of times the base station receives the request message, and reducing the number of times the base station transmits the system information.
  • the threshold of the quality of the received reference signal carried in the control message sent by the base station is n, which are respectively T1, T2, T3, ... Tn, and the unit of the threshold is dB; when the mobile communication terminal performs the measurement operation of receiving the reference signal quality,
  • the obtained measured values are X1, X2, X3, ..., Xn, respectively, where n is a natural number greater than or equal to 1.
  • the number of measured values does not have to be the same as the threshold of the corresponding control parameter carried in the control message, and may be different or the same, and whether The same can be based on terminal requirements or pre-agreed.
  • the base station may selectively send the system information according to the requirements of the terminal, in addition to controlling the conditions of the mobile communication terminal to send the request message. Therefore, the system information sending method of the embodiment of the present disclosure further includes:
  • the system information sent in step 103 is filtered out from all system information according to the screening parameters.
  • the screening parameter may be carried by the request message sent by the mobile communication terminal, or may be determined by the base station according to the actual situation of the mobile communication terminal.
  • the base station before transmitting the system information, selectively selects system information for transmission from all system information, which can reduce the transmission amount of system information and avoid consuming excessive downlink resources.
  • the screening parameter may be a parameter for indicating a target frequency band, a location of the mobile communication terminal, and/or a target cell.
  • the screening parameter when the screening parameter is a parameter for indicating a target frequency band, the screening parameter is generally carried by a request message sent by the mobile communication terminal.
  • the screening parameter when the screening parameter is a parameter for indicating a target frequency band, the screening parameter may be target frequency band information, such as B1, B2, . . . Bj, where j is greater than or equal to 1 natural number; or the screening parameter may be bit information
  • the base station may first broadcast a mapping table of the bit information and the target frequency band information. For example, if there are two target frequency band information, the two target frequency band information may be mapped by using the bit information 0 and 1 to enable the mobile communication terminal according to its own needs.
  • the target frequency band determines the corresponding bit information and is carried by the request message.
  • the screening parameter is a parameter for indicating the location of the mobile communication terminal and/or the target cell
  • the screening parameter is generally determined by the base station according to the actual situation of the mobile communication terminal.
  • the screening parameter may be beam information of the mobile communication terminal, such as beam ID, and the base station according to the beam where the mobile communication terminal is located The information can determine the location of the mobile communication terminal or the target cell, thereby selectively filtering system information for transmission.
  • the mobile communication terminal transmits a request message for requesting system information
  • the information in the request message may pass the randomly accessed message 1 (message 1), message 3 (message 3), and message 5 (message 5) One or more of them are carried and sent.
  • an embodiment of the present disclosure further provides a system information receiving method, which is applied to a mobile communication terminal, and includes the following steps:
  • Step 201 Receive a control message sent by the base station for controlling transmission of the request message.
  • Step 202 Send a request message for requesting system information.
  • Step 203 Receive system information sent by the base station.
  • the system information may be information used by the mobile communication terminal to perform cell reselection.
  • the system information receiving method of the embodiment of the present disclosure by receiving a control message sent by the base station for controlling transmission of the request message, transmitting a request message for requesting system information, and receiving system information sent by the base station, enables the base station to send Before the system information, a control message for controlling transmission of the request message is sent, and the mobile communication terminal transmits a request message for requesting system information according to the received control message, thereby implementing when the network control terminal requests system information from the base station. To achieve an orderly transmission of the terminal request message.
  • control message sent by the base station to the mobile communication terminal may carry the following thresholds of one or several control parameters: the received reference signal power, the received reference signal quality, and the signal to interference reference ratio of the received reference signal.
  • the method for receiving system information of the embodiment of the present disclosure may further include:
  • Step 204 Perform a measurement operation to obtain at least one measured value of the control parameter
  • Step 205 Determine whether the measured value of the control parameter is less than or equal to a threshold of the control parameter
  • step 202 when the measured value of the control parameter is less than or equal to the threshold of the control parameter, step 202 is performed, otherwise step 204 is performed.
  • the request message may carry a screening parameter for the base station to filter out the sent system information from all system information.
  • the screening parameter is a parameter used to indicate a target frequency band.
  • control message carries the original parameter set
  • system information receiving method in the embodiment of the present disclosure may further include:
  • an embodiment of the present disclosure further provides a system information sending method, which is applied to a base station, and includes the following steps:
  • Step 401 Receive a frequency band parameter sent by the mobile communication terminal to indicate a target frequency band.
  • Step 402 Send system information.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • the system information sending method of the embodiment of the present disclosure can transmit the system information by receiving the frequency band parameter used by the mobile communication terminal to indicate the target frequency band, and enable the base station to perform the frequency band parameter for indicating the target frequency band according to the mobile communication terminal.
  • the system information is transmitted, so that the base station selectively transmits system information to the mobile communication terminal, reduces the transmission amount of the system information, and avoids consuming excessive downlink resources.
  • system information sending method of the embodiment of the present disclosure may further include:
  • the target frequency band is one or more of the optional frequency bands.
  • an embodiment of the present disclosure further provides a system information receiving method, which is applied to a mobile communication terminal, and includes the following steps:
  • Step 501 Send a frequency band parameter for indicating a target frequency band.
  • Step 502 Receive system information.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • the system information receiving method of the embodiment of the present disclosure by transmitting the frequency band parameter for indicating the target frequency band, receiving the system information, enables the base station to send the system information according to the frequency band parameter used by the mobile communication terminal to indicate the target frequency band, thereby The base station selectively transmits system information to the mobile communication terminal, reduces the amount of system information sent, and avoids consuming excessive downlink resources.
  • system information receiving method of the embodiment of the present disclosure may further include:
  • the target frequency band is one or more of the optional frequency bands.
  • the base station includes a processor 61, a transmitter 62 and a receiver 63;
  • the transmitter 62 is configured to send a control message for controlling transmission of the request message
  • the receiver 63 is configured to receive the request message sent by the mobile communication terminal for requesting system information
  • the transmitter 62 is also used to transmit system information.
  • control message carries a threshold of one or more of the following control parameters:
  • the signal to interference noise ratio of the received reference signal is the signal to interference noise ratio of the received reference signal.
  • the request message is sent by the mobile communication terminal when the measured value of the control parameter is less than or equal to a threshold of the control parameter.
  • the processor 61 is configured to:
  • the system information sent by the sender is filtered out from all system information.
  • the screening parameter is carried by the request message.
  • the screening parameter is a parameter used to indicate a target frequency band, a location of the mobile communication terminal, and/or a target cell.
  • control message carries an original parameter set for the mobile communication terminal to determine the screening parameter.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • the receiver 63 is configured to receive a frequency band parameter that is sent by the mobile communication terminal and used to indicate a target frequency band.
  • the transmitter 62 is configured to transmit system information.
  • the transmitter 62 is further configured to:
  • the target frequency band is one or more of the selectable frequency bands.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • bus 60 may include any number of interconnected buses and bridges, and bus 60 will include one or more processors represented by processor 61 and memory represented by memory 64. The various circuits are connected together.
  • the bus 60 can also connect various other circuits, such as peripherals, voltage regulators, and power management circuits, as is known in the art, and therefore, will not be further described herein.
  • Bus interface 65 provides an interface between bus 60, transmitter 62 and receiver 63.
  • Transmitter 62 and receiver 63 may be a transceiver that provides means for communicating with various other devices on a transmission medium.
  • the processor 61 is responsible for managing the bus 60 and the usual processing, and the memory 64 can be used to store data used by the processor 61 when performing operations.
  • the mobile communication terminal includes a processor 71, a transmitter 72 and a receiver 73;
  • the receiver 73 is configured to receive a control message sent by the base station for controlling transmission of the request message.
  • the transmitter 72 is configured to send the request message for requesting system information
  • the receiver 73 is further configured to receive system information sent by the base station.
  • control message carries a threshold of one or more of the following control parameters:
  • the signal to interference noise ratio of the received reference signal is the signal to interference noise ratio of the received reference signal.
  • the processor 71 is configured to:
  • Performing a measurement operation obtaining at least one measured value of the control parameter, determining whether the measured value of the control parameter is less than or equal to a threshold of the control parameter, and measuring a value of the control parameter is less than or equal to the control parameter
  • the threshold is controlled to send the request message for requesting system information.
  • the request message carries a screening parameter, where the base station filters out the sent system information from all system information.
  • the screening parameter is a parameter used to indicate a target frequency band.
  • control message carries an original parameter set
  • processor 71 is configured to:
  • the screening parameters are selected from the set of raw parameters.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • the transmitter 72 is configured to send a frequency band parameter for indicating a target frequency band
  • the receiver 73 is configured to receive system information.
  • the receiver 73 is further configured to:
  • the target frequency band is one or more of the selectable frequency bands.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • bus architecture (represented by bus 70), which may include any number of interconnected buses and bridges, will include one or more processors represented by processor 71 and memory represented by memory 74. The various circuits are connected together.
  • the bus 70 can also connect various other circuits, such as peripherals, voltage regulators, and power management circuits, as is known in the art and, therefore, will not be further described herein.
  • Bus interface 75 provides an interface between bus 70, transmitter 72 and receiver 73.
  • Transmitter 72 and receiver 73 may be a transceiver that provides means for communicating with various other devices on a transmission medium.
  • the processor 71 is responsible for managing the bus 70 and the usual processing, and the memory 74 can be used to store data used by the processor 71 when performing operations.
  • Embodiments of the present disclosure also provide a communication device including a memory, a processor, and a computer program stored on the memory and executable on the processor; wherein the processor is executable when the program is executed.
  • This communication device can be a base station or a mobile communication terminal.
  • FIG. 8 is a schematic structural diagram of another base station according to an embodiment of the present disclosure.
  • base station 80 includes a bus 81, a transceiver 82, an antenna 83, a bus interface 84, a processor 85, and a memory 86.
  • the processor 85 is configured to read a program in the memory 86 and perform the following process:
  • the control transceiver 82 transmits a control message for controlling transmission of the request message, receives the request message for requesting system information transmitted by the mobile communication terminal, and transmits system information.
  • the transceiver 82 is configured to receive and transmit data under the control of the processor 85.
  • control message carries a threshold of one or more of the following control parameters: a reference signal power, a reference signal quality, and a signal-to-interference-to-noise ratio of the received reference signal.
  • the request message is sent by the mobile communication terminal when the measured value of the control parameter is less than or equal to a threshold of the control parameter.
  • the processor 85 is further configured to: according to the screening parameter, filter the sent system information from all system information.
  • the screening parameter is carried by the request message.
  • the screening parameter is a parameter used to indicate a target frequency band, a location of the mobile communication terminal, and/or a target cell.
  • control message carries an original parameter set for the mobile communication terminal to determine the screening parameter.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • the control transceiver 82 receives the band parameter sent by the mobile communication terminal for indicating the target frequency band, and transmits the system information.
  • the processor 85 is further configured to: control the transceiver 82 to send a notification message for indicating an optional frequency band, where the target frequency band is one or more of the optional frequency bands.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • bus architecture (represented by bus 81), which may include any number of interconnected buses and bridges, will include one or more processors represented by processor 85 and memory represented by memory 86.
  • the various circuits are linked together.
  • the bus 81 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is well known in the art and, therefore, will not be further described herein.
  • Bus interface 84 provides an interface between bus 81 and transceiver 82.
  • Transceiver 82 can be an element or a plurality of elements, such as a plurality of receivers and transmitters, providing means for communicating with various other devices on a transmission medium.
  • Data processed by processor 85 is transmitted over wireless medium via antenna 83. Further, antenna 83 also receives the data and transmits the data to processor 85.
  • the processor 85 is responsible for managing the bus 81 and the usual processing, and can also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions.
  • the memory 86 can be used to store data used by the processor 85 when performing operations.
  • the processor 85 can be a CPU, an ASIC, an FPGA, or a CPLD.
  • FIG. 9 is a schematic structural diagram of another mobile communication terminal according to an embodiment of the present disclosure.
  • the mobile communication terminal 90 includes a bus 91, a processor 92, a transceiver 93, a bus interface 94, a memory 95, and a user interface 96.
  • the processor 92 is configured to read a program in the memory 95 and perform the following processes:
  • the control transceiver 93 receives a control message sent by the base station for controlling transmission of the request message, transmits the request message for requesting system information, and receives system information sent by the base station.
  • the transceiver 93 is configured to receive and transmit data under the control of the processor 92.
  • control message carries a threshold of one or more of the following control parameters: a reference signal power, a received reference signal quality, and a signal to interference reference ratio of the received reference signal.
  • the processor 92 is further configured to: perform a measurement operation, obtain at least one measured value of the control parameter, and determine whether the measured value of the control parameter is less than or equal to a threshold of the control parameter, where the control parameter is When the measured value is less than or equal to the threshold of the control parameter, the request message for requesting system information is transmitted, otherwise the measurement operation is performed.
  • the request message carries a screening parameter, where the base station filters out the sent system information from all system information.
  • the screening parameter is a parameter used to indicate a target frequency band.
  • control message carries an original parameter set
  • processor 92 is further configured to: select the screening parameter from the original parameter set.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • the control transceiver 93 transmits a band parameter for indicating the target frequency band and receives system information.
  • the processor 92 is further configured to: receive a notification message sent by the base station to indicate an optional frequency band, where the target frequency band is one or more of the optional frequency bands.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • bus architecture (represented by bus 91), which may include any number of interconnected buses and bridges, will include one or more processors and memory 95 represented by general purpose processor 92.
  • the various circuits of the memory are linked together.
  • the bus 91 can also link various other circuits, such as peripherals, voltage regulators, and power management circuits, as is well known in the art and, therefore, will not be further described herein.
  • Bus interface 94 provides an interface between bus 91 and transceiver 93.
  • the transceiver 93 can be an element or a plurality of elements, such as a plurality of receivers and transmitters, providing means for communicating with various other devices on a transmission medium.
  • the transceiver 93 receives external data from other devices.
  • the transceiver 93 is configured to transmit data processed by the processor 92 to other devices.
  • a user interface 96 can also be provided, such as a keypad, display, speaker, microphone, joystick.
  • the processor 92 is responsible for managing the bus 91 and the usual processing, running the general purpose operating system as described above.
  • the memory 95 can be used to store data used by the processor 92 when performing operations.
  • the processor 92 can be a CPU, an ASIC, an FPGA, or a CPLD.
  • the embodiment of the present disclosure further provides a computer readable storage medium having stored thereon a computer program, wherein when the program is executed by the processor, the step of the system information sending method applied to the base station may be implemented, or the application The steps in the system information receiving method of the mobile communication terminal.
  • the program is executed by the processor to implement the following steps:
  • control message carries a threshold of one or more of the following control parameters: a reference signal power, a reference signal quality, and a signal-to-interference-to-noise ratio of the received reference signal.
  • the request message is sent by the mobile communication terminal when the measured value of the control parameter is less than or equal to a threshold of the control parameter.
  • the following steps may be implemented: filtering the sent system information from all system information according to the screening parameter.
  • the screening parameter is carried by the request message.
  • the screening parameter is a parameter used to indicate a target frequency band, a location of the mobile communication terminal, and/or a target cell.
  • control message carries an original parameter set for the mobile communication terminal to determine the screening parameter.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • the program when executed by the processor, the following steps are implemented: receiving a frequency band parameter sent by the mobile communication terminal for indicating a target frequency band, and transmitting system information.
  • the following step may be further implemented: sending a notification message for indicating an optional frequency band, the target frequency band being one or more of the optional frequency bands.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • the program is executed by the processor to implement the following steps:
  • control message carries a threshold of one or more of the following control parameters: a reference signal power, a received reference signal quality, and a signal to interference reference ratio of the received reference signal.
  • the following steps may be implemented: performing a measurement operation, obtaining at least one measured value of the control parameter, and determining whether the measured value of the control parameter is less than or equal to the control parameter.
  • a threshold when the measured value of the control parameter is less than or equal to a threshold of the control parameter, sending the request message for requesting system information, otherwise performing a measurement operation.
  • the request message carries a screening parameter, where the base station filters out the sent system information from all system information.
  • the screening parameter is a parameter used to indicate a target frequency band.
  • control message carries an original parameter set
  • the following step may also be implemented: selecting the screening parameter from the original parameter set.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • the following steps may be implemented: receiving a notification message sent by the base station to indicate an optional frequency band, where the target frequency band is one or more of the optional frequency bands.
  • the system information is information used by the mobile communication terminal to perform cell reselection.
  • Computer readable media includes both permanent and non-persistent, removable and non-removable media, and information storage can be implemented by any method or technology.
  • the information can be computer readable instructions, data structures, modules of programs, or other data.
  • Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only memory. (ROM), electrically erasable programmable read only memory (EEPROM), flash memory or other memory technology, compact disk read only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, Magnetic tape cartridges, magnetic tape storage or other magnetic storage devices or any other non-transportable media can be used to store information that can be accessed by a computing device.
  • computer readable media does not include temporary storage of computer readable media, such as modulated data signals and carrier waves.

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

Abstract

La présente invention concerne un procédé de transmission et un procédé de réception d'informations système, une station de base, et un terminal de communication mobile. Le procédé de transmission d'informations système consiste à : transmettre un message de commande pour commander la transmission d'un message de demande ; recevoir le message de demande transmis par le terminal de communication mobile et utilisé pour demander des informations système ; et transmettre les informations système.
PCT/CN2018/091798 2017-06-23 2018-06-19 Procédé de transmission et procédé de réception d'informations système, station de base, et terminal de communication mobile WO2018233594A1 (fr)

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