WO2018201451A1 - Procédé d'accès à un dispositif, équipement utilisateur et dispositif de réseau - Google Patents

Procédé d'accès à un dispositif, équipement utilisateur et dispositif de réseau Download PDF

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Publication number
WO2018201451A1
WO2018201451A1 PCT/CN2017/083235 CN2017083235W WO2018201451A1 WO 2018201451 A1 WO2018201451 A1 WO 2018201451A1 CN 2017083235 W CN2017083235 W CN 2017083235W WO 2018201451 A1 WO2018201451 A1 WO 2018201451A1
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WIPO (PCT)
Prior art keywords
communication mode
network device
user equipment
information
memory
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PCT/CN2017/083235
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English (en)
Chinese (zh)
Inventor
王宏
韦伯马修·威廉
克拉松布莱恩
权威
程型清
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华为技术有限公司
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Priority to PCT/CN2017/083235 priority Critical patent/WO2018201451A1/fr
Publication of WO2018201451A1 publication Critical patent/WO2018201451A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a device access method, a user equipment, and a network device.
  • the Machine Type Communication (MTC) mode is different from the traditional LTE communication, and it does not pursue data transmission rate, multi-band, multi-antenna, full-duplex transmission. It is required that the terminal can achieve low power consumption and low cost.
  • the MTC communication mode supports data transmission on a minimum of 6 Physical Resource Blocks (PRBs) and supports data transmission on a maximum of 100 PRBs.
  • PRBs Physical Resource Blocks
  • NB-IoT Narrow Band Internet of Things
  • NB-IoT Narrow Band Internet of Things
  • An embodiment of the present invention provides a device access method, a user equipment, and a network device, which can indicate, by using a communication mode preference information, a first communication mode in which a user equipment accesses the network device, and flexibly in a machine type communication mode and a narrowband Internet of Things. Switch between communication modes to adapt to network changes.
  • the first aspect of the present invention provides a device access method.
  • the user equipment receives an information block sent by the network device, where the information block includes communication mode preference information of the network device, where the communication mode preference information is used. And indicating, by the network device, a first communication mode adopted by the at least one user equipment served by the network device to access the network device, where the first communication mode includes a machine type communication mode or a narrowband IoT communication mode.
  • the network device prefers that the at least one user equipment served by the network device access the network device by using a narrowband IoT communication mode; for example, the load of the network device is relatively small. Then, the network device prefers that at least one user equipment served by the network device accesses the network device in a machine type communication mode.
  • the user equipment acquires a system message corresponding to the first communication mode, and accesses the network device by using a system message corresponding to the first communication mode.
  • the information block may further include narrowband information or frequency information in which the system message corresponding to the first communication mode is located.
  • the user equipment can obtain the system message corresponding to the first communication mode according to the narrowband information or the frequency information of the system message corresponding to the first communication mode carried in the information block.
  • the communication mode preference information is carried by a System Information Block (SIB), that is, the network device sends a System Information Block Bandwidth Reduced (SIB-BR) and a narrowband system information block. (System Information Block Narrow Band, SIB-NB).
  • SIB System Information Block
  • SIB-BR System Information Block Bandwidth Reduced
  • SIB-NB System Information Block Narrow Band
  • the information block received by the user equipment is an SIB-BR
  • the first communication mode indicated by the communication mode preference information is a narrowband IoT communication mode.
  • the system message corresponding to the first communication mode exists in the SIB-NB; or
  • the second communication mode currently used by the user equipment is a narrowband IoT communication mode
  • the information block received by the user equipment is an SIB-NB
  • the first communication mode indicated by the communication mode preference information is a machine type communication mode.
  • the system message corresponding to the first communication mode exists in the SIB-BR.
  • the communication mode preference information is carried by a Master Information Block (MIB), that is, the network device sends the MIB and the Master Information Block Narrow Band (MIB-NB).
  • MIB Master Information Block
  • MIB-NB Master Information Block Narrow Band
  • the communication mode preference information is carried in both the MIB and the MIB-NB.
  • the second communication mode currently used by the user equipment is a machine type communication mode
  • the information block received by the user equipment is a main information block MIB
  • the first communication mode indicated by the communication mode preference information is a narrowband IoT communication.
  • the system message corresponding to the first communication mode exists in the SIB-NB; or
  • the second communication mode currently used by the user equipment is a narrowband IoT communication mode
  • the information block received by the user equipment is a narrowband primary information block MIB-NB
  • the first communication mode indicated by the communication mode preference information is In the machine type communication mode
  • the system message corresponding to the first communication mode exists in the SIB-BR.
  • the user equipment after the user equipment accesses the network device according to the system message corresponding to the first communication mode, the user equipment further sends the capability indication information of the user equipment to the network device, where the capability indication information of the user equipment is used.
  • the user equipment is instructed to support a machine type communication mode and a narrowband IoT communication mode.
  • the network device may send the mode switching indication information to the user equipment according to the load size of the network device and the service feature of the user equipment, where the mode switching indication information is used to indicate the user equipment. Switching from the first communication mode to the second communication mode. The user equipment receives the mode conversion indication information.
  • the user equipment acquires a system message corresponding to the second communication mode, and if the second communication mode is a narrowband IoT communication mode, the system message corresponding to the second communication mode exists in the SIB-NB, if the second communication mode In the machine type communication mode, the system message corresponding to the second communication mode exists in the SIB-BR.
  • the user equipment re-accesses the network device according to the system message corresponding to the second communication mode.
  • the foregoing mode switching indication information may be sent by using dedicated signaling, where the dedicated signaling may include any one of the following signaling: a handover command, a radio resource control (RRC) connection reconfiguration message, The RRC connection suspension message, the RRC connection recovery message, and the RRC connection release message.
  • the dedicated signaling may include any one of the following signaling: a handover command, a radio resource control (RRC) connection reconfiguration message, The RRC connection suspension message, the RRC connection recovery message, and the RRC connection release message.
  • RRC radio resource control
  • the embodiment of the present invention provides a device access method.
  • the network device sends at least one information block, where the information block includes communication mode preference information of the network device, where the communication mode preference information is used to indicate the network.
  • the device is biased toward a first communication mode adopted by the at least one user equipment served by the network device to access the network device, the first communication mode comprising a machine type communication mode or a narrowband IoT communication mode.
  • the network device When the network device receives the access request of the user equipment, the network device accesses the user equipment to the network device, where the user equipment accesses the system message corresponding to the first communication mode indicated by the communication mode preference information.
  • a device for a network device is
  • the at least one information block sent by the network device includes the SIB-BR and the SIB-NB, that is, the network device carries the communication mode preference information in both the sent SIB-BR and the SIB-NB.
  • the at least one information block sent by the network device includes the MIB and the MIB-NB, that is, the network device carries the communication mode preference information in both the sent MIB and the MIB-NB.
  • an embodiment of the present invention provides a device access method, where a user equipment receives an information block of a network device, where the information block may be an SIB-BR, or the information block may also be an SIB-NB, or the information block. It can also be a MIB, or the information block can also be MIB-NB.
  • the information block includes capability indication information of the network device, and the capability indication information of the network device is used to indicate that the network device supports the machine type communication mode and the narrowband IoT communication mode.
  • the user equipment selects a first communication mode to access the network device from a communication mode supported by the network device, and the first communication mode may be a machine type communication mode or a narrowband IoT communication mode.
  • the user equipment sends the capability indication information of the user equipment to the network device, where the capability indication information of the user equipment is used to indicate that the user equipment supports the machine type communication mode and the narrowband IoT communication mode.
  • the network device may determine, according to the load of the network device and the service feature of the user equipment, whether the user equipment needs to be instructed to switch from the first communication mode to the second communication mode. When the user equipment switches from the first communication mode to the second communication mode, mode switching indication information is sent to the user equipment.
  • the user equipment receives mode switching indication information of the network device, where the mode switching indication information is used to indicate that the user equipment is switched from the first communication mode to the second communication mode.
  • the user equipment acquires the system message of the second communication mode, and re-accesses the network device by using the system message of the second communication mode.
  • the second communication mode is a narrowband IoT communication mode if the first communication mode is a machine type communication mode; if the first communication mode is a narrowband IoT communication mode, the second communication mode is a machine Type communication mode.
  • the embodiment of the present invention provides a device access method.
  • the network device sends at least one information block, where the information block includes capability indication information of the network device, where the capability indication information of the network device is used to indicate the Network devices support machine type communication modes and narrowband IoT communication modes.
  • the user equipment receives the information block, and the user equipment can select the first communication mode to access the network device according to the characteristics of the service, and the first communication mode can be a machine type communication mode or a narrowband IoT communication mode, and the network device receives the When the user equipment accesses the request, the user equipment is connected to the network device.
  • the at least one information block sent by the network device includes at least one of the following information blocks: an SIB-BR, an SIB-NB, an MIB, and an MIB-NB.
  • the embodiment of the present invention provides a device access method.
  • the user equipment receives an information block of the first network device, where the information block includes capability indication information of the second network device, where the second network device
  • the capability indication information is used to indicate a communication mode supported by the second network device, and the communication mode supported by the second network device includes a first communication mode, where the first communication mode is a narrowband IoT communication mode or a machine type communication mode;
  • the user equipment accesses the second network device by using the first communication mode.
  • the user equipment before the user equipment accesses the second network device by using the first communication mode, the user equipment accesses the first network device by using the second communication mode.
  • the second communication mode is The first communication mode is different.
  • the user equipment sends the capability indication information of the user equipment to the accessed first network device, where the capability indication information of the user equipment is used to indicate that the user equipment supports the first communication mode and the second communication mode, that is, the user equipment supports Machine type communication mode and narrowband IoT communication mode.
  • the first network device may determine, according to the service feature of the user equipment and the load size of the first network device, whether the communication mode of the user equipment needs to be switched from the second communication mode to In the first communication mode, if it is required to switch the communication mode of the user equipment from the second communication mode to the first communication mode, the mode conversion indication information is sent to the user equipment.
  • the user equipment re-accesses the second network device by using the first communication mode according to the capability indication information of the second network device received in advance.
  • the second network device may be a device adjacent to the first network device.
  • the first communication mode is a narrowband IoT communication mode
  • the second communication mode is a narrowband IoT communication mode
  • the first communication mode is Machine type communication mode
  • the embodiment of the present invention provides a device access method.
  • the first network device receives the capability indication information of the second network device, where the capability indication information of the second network device is used to indicate the second network.
  • the communication mode supported by the device, the communication mode supported by the second network device includes a first communication mode, and the first communication mode is a narrowband IoT communication mode or a machine type communication mode.
  • the first network device sends an information block to the user equipment, where the information block includes capability indication information of the second network device, to trigger the user equipment to access the second network device by using the first communication mode.
  • the user equipment may access the first network device by using the second communication mode.
  • the manner in which the first network device receives the capability indication information of the second network device may be: the first network device sends the capability request information to the second network device, where the second network device receives the information sent by the first network device After the capability request information, the second network device returns capability indication information of the second network device to the first network device.
  • the first network device receives capability indication information of the second network device that is sent by the second network device.
  • the embodiment of the present invention provides a user equipment, where the user equipment includes a transceiver unit and a processing unit, where the transceiver unit is configured to receive an information block sent by the network device, where the information block includes the network device.
  • Communication mode preference information the communication mode preference information is used to indicate that the network device is biased toward a first communication mode adopted by the at least one user equipment served by the network device to access the network device, the first The communication mode includes a machine type communication mode or a narrowband IoT communication mode.
  • the processing unit is configured to acquire a system message corresponding to the first communication mode, and access the network device by using a system message corresponding to the first communication mode.
  • an embodiment of the present invention provides a network device, where the network device includes a transceiver unit and a processing unit, where the transceiver unit is configured to send at least one information block, where the information block includes communications of the network device.
  • Mode preference information where the communication mode preference information is used to indicate that the network device is biased toward a first communication mode adopted by the at least one user equipment served by the network device to access the network device, the first communication mode Includes machine type communication mode or narrowband IoT communication mode.
  • the processing unit is configured to access the user equipment to the network device, where the user equipment is a device that accesses the network device by using a system message corresponding to the first communication mode.
  • an embodiment of the present invention provides a user equipment, where the user equipment includes a transceiver unit and a processing unit, where the transceiver unit is configured to receive an information block of a network device, where the information block includes the network device.
  • the capability indication information is used by the network device to indicate that the network device supports a machine type communication mode and a narrowband IoT communication mode.
  • the processing unit is configured to select a first communication mode to access the network device, where the first communication mode is the machine type communication mode or a narrowband IoT communication mode.
  • an embodiment of the present invention provides a network device, where the network device includes a transceiver unit and a processing unit, where the transceiver unit is configured to send at least one information block, where the information block includes the capability of the network device. Instructing information, the capability indication information of the network device is used to indicate that the network device supports a machine type communication mode and a narrowband IoT communication mode.
  • the processing unit is configured to access a user equipment to the network device, where the user equipment is a device that selects a first communication mode to access the network device, and the first communication mode is the machine type communication. Mode or narrowband IoT communication mode.
  • an embodiment of the present invention provides a user equipment, where the user equipment includes a transceiver unit and a processing unit, where the transceiver unit is configured to receive an information block of the first network device, where the information block includes a second The capability indication information of the network device, the capability indication information of the second network device is used to indicate a communication mode supported by the second network device, and the communication mode supported by the second network device includes a first communication mode, where the A communication mode is a narrowband IoT communication mode or a machine type communication mode.
  • the processing unit is configured to access the second network device by using the first communication mode.
  • the embodiment of the present invention provides a network device, where the network device is a first network device, where the network device includes a receiving unit and a sending unit, where the receiving unit is configured to receive the capability of the second network device. Instructing information that the capability indication information of the second network device is used to indicate a communication mode supported by the second network device, and the communication mode supported by the second network device includes a first communication mode, where the first communication mode is Narrowband IoT communication mode or machine type communication mode.
  • the sending unit is configured to send an information block to the user equipment, where the information block includes capability indication information of the second network device, to trigger the user equipment to access the second network by using the first communication mode. device.
  • an embodiment of the present invention provides a user equipment, where the user equipment includes a transceiver, a processor, and a memory, where the memory is used to store an instruction, and the processor is configured to execute the instruction stored in the memory when processing The user equipment is configured to perform the method of the first aspect when the instructions stored by the memory are executed.
  • an embodiment of the present invention provides a network device, where the network device includes a transceiver, a processor, and a memory, where the memory is used to store an instruction, and the processor is configured to execute the instruction stored in the memory when processing The network device is configured to perform the method of the second aspect when the instructions stored by the memory are executed.
  • an embodiment of the present invention provides a user equipment, where the user equipment includes a transceiver, a processor, and a memory, where the memory is used to store an instruction, and the processor is configured to execute the memory storage instruction when processing The user equipment is configured to perform the method of the third aspect when the instructions stored by the memory are executed.
  • an embodiment of the present invention provides a network device, where the network device includes a transceiver, a processor, and a memory, where the memory is used to store an instruction, and the processor is configured to execute the instruction stored in the memory when processing The network device is configured to perform the method of the fourth aspect when the instructions stored by the memory are executed.
  • an embodiment of the present invention provides a user equipment, where the user equipment includes a transceiver, a processor, and a memory, where the memory is used to store an instruction, and the processor is configured to execute the instruction stored in the memory when processing The user equipment is configured to perform the method of the fifth aspect when the instructions stored by the memory are executed.
  • an embodiment of the present invention provides a network device, where the network device includes a transceiver, a processor, and a memory, where the memory is used to store an instruction, and the processor is configured to execute the instruction stored in the memory when processing The network device is configured to perform the method of the sixth aspect when the instructions stored by the memory are executed.
  • the embodiment of the present invention further provides a program storage medium, wherein the method provided by any one of the foregoing first to sixth aspects may be implemented when the program stored in the program storage medium is executed.
  • the embodiment of the present invention provides a radio resource configuration method, including:
  • the user equipment After the user equipment completes the sending of the feedback information, the user equipment applies the first radio resource configuration message;
  • the first radio resource configuration message is repeatedly sent at least twice, and/or the feedback information is repeatedly sent at least twice.
  • the user equipment sends feedback information, including:
  • the user equipment applies a second radio resource configuration message to send feedback information, where the second radio resource configuration message is received by the user equipment before receiving the first radio resource configuration message.
  • an embodiment of the present invention provides a user equipment, including a transceiver unit and a processing unit;
  • the transceiver unit is configured to receive a first radio resource configuration message sent by the network device
  • the transceiver unit is further configured to send feedback information, where the feedback information is used to confirm that the first radio resource configuration message is successfully received;
  • the user equipment After the processing unit is configured to complete the sending of the feedback information, the user equipment applies the first radio resource configuration message;
  • the first radio resource configuration message is repeatedly sent at least twice, and/or the feedback information is repeatedly sent at least twice.
  • an embodiment of the present invention provides a user equipment, where the user equipment includes a transceiver, a processor, and a memory, where the memory is used to store an instruction, and the processor is configured to execute the instruction stored in the memory, when The network device is configured to perform the method of the twentieth aspect when the processor executes the instructions stored by the memory.
  • the network device sends the communication mode preference information of the network device to the user device, and the user device may acquire the system message of the first communication mode indicated by the communication mode preference information according to the communication mode preference information of the network device. And accessing the network device by using the system message corresponding to the first communication mode.
  • the embodiment of the present invention can flexibly switch between the machine type communication mode and the narrowband IoT communication mode by using the communication mode preference information to indicate that the user equipment accesses the first communication mode of the network device, thereby adapting to network changes.
  • FIG. 1 is a schematic structural diagram of an optional communication system according to an embodiment of the present invention.
  • FIG. 2 is a structural diagram of another optional communication system according to an embodiment of the present invention.
  • FIG. 3 is a process interaction diagram of a device access method according to an embodiment of the present invention.
  • FIG. 4 is an optional scene interaction diagram according to an embodiment of the present disclosure.
  • FIG. 5 is another optional scene interaction diagram according to an embodiment of the present disclosure.
  • FIG. 6 is still another optional scene interaction diagram according to an embodiment of the present invention.
  • FIG. 7 is a process interaction diagram of another device access method according to an embodiment of the present disclosure.
  • FIG. 8 is an optional scene interaction diagram according to an embodiment of the present disclosure.
  • FIG. 9 is a process flow diagram of still another device access method according to an embodiment of the present invention.
  • FIG. 10 is an optional scene interaction diagram according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 11b is a schematic structural diagram of another user equipment according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a network device according to an embodiment of the present disclosure.
  • FIG. 12b is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 13b is a schematic structural diagram of another user equipment according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • FIG. 14b is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 15b is a schematic structural diagram of another user equipment according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • FIG. 16b is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 17 is a schematic flowchart diagram of a method for configuring a radio resource according to an embodiment of the present disclosure
  • 18a to 18d are schematic diagrams of radio resource configuration according to an embodiment of the present invention.
  • FIG. 19 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 19 is a schematic structural diagram of another user equipment according to an embodiment of the present invention.
  • the eMTC communication mode in the embodiment of the present invention belongs to the MTC communication mode.
  • the network device in the embodiment of the present invention may be an evolved base station (eNB), a macro base station, and a micro base station (also referred to as a "small base station") in a Long Term Evolution (LTE) system or an evolved system thereof.
  • the network device in the embodiment of the present invention may also be a base station in a future network, such as a base station in a 5G network, in a 5G network, a pico base station, an access point (AP), or a transmission point (TP).
  • the medium base station can be a gNB.
  • the gNB may be virtual in the 5G network, that is, not in the form of the foregoing eNB or gNB, but part of the function is on a distributed unit (DU), and some functions are in a centralized unit (Centralized Unit, On the CU), multiple DUs can be connected to the same CU. Then, the DU and the CU constitute a network device of the embodiment of the present invention.
  • DU distributed unit
  • Centralized Unit On the CU
  • the eNB is a bridge between the user equipment (UE) in the LTE (4G) and the EPC of the evolved core network.
  • the eNBs are connected through the X2 interface.
  • the main functions of the eNB are: radio resource management, IP header compression, and User data stream encryption, Mobility Management Entity (MME) selection when UE attaches, routing of user plane data to Serving GateWay (S-GW), organization and transmission of paging messages, organization of broadcast messages And measurement, measurement report configuration for transmission, mobility or scheduling.
  • MME Mobility Management Entity
  • the user equipment may also be referred to as a terminal, or may be called a terminal, a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal), etc., and the user equipment may be through a radio access network (Radio Access Network).
  • RAN Radio Access Network
  • the terminal may be a mobile phone (or "cellular" phone), a computer with a mobile terminal, etc., for example, the terminal may also be portable, pocket, handheld Computer built-in or in-vehicle mobile devices that exchange voice and/or data with a wireless access network.
  • the user equipment in the embodiment of the present invention may also be a Device to Device (D2D) terminal or a Machine to Machine (M2M) terminal.
  • D2D Device to Device
  • M2M Machine to Machine
  • the device access method in the embodiment of the present invention may be applied to an LTE or a future communication system, such as a 5G communication system, as shown in FIG. 1 , which is a possible application system architecture diagram of the embodiment of the present invention.
  • the base station in the figure may be an eNB in an LTE system, and may also be a gNB in 5G.
  • the network device in the embodiment of the present invention may be the base station in FIG. 1, and the user equipment in the embodiment of the present invention may be any one of UE1 and UE2 in FIG.
  • the communication mode in which the user equipment accesses the base station may include multiple communication modes.
  • the machine type (Machine Type Communication, MTC) communication mode is used in the embodiment of the present invention.
  • the Narrow Band Internet of Things (NB-IoT) communication mode is illustrated as an example.
  • the machine type communication mode may also be an enhanced machine type communication mode.
  • the MTC communication mode is different from the traditional LTE communication. It does not pursue data transmission rate, multi-band, multi-antenna, full-duplex transmission, but pursues long battery life, and lower terminal cost, which requires the terminal to achieve low Low power consumption and low cost.
  • the MTC communication mode is adopted.
  • the enhancement is implemented to enable the base station and the terminal to support the coverage enhancement.
  • the main method for implementing the extended coverage is to repeat the multiple transmissions and achieve the purpose of improving the data reception success rate by multiple times of receiving and combining.
  • the MTC communication mode supports data transmission on a minimum of 6 PRBs, and supports up to 100 PRBs.
  • the narrowband Internet of Things (NB-IoT) communication mode is another narrowband communication mode that supports data transmission on a minimum of 1 PRB.
  • the MTC communication mode is similar to the NB-IoT communication mode, and the two communication modes are also implemented in a common platform.
  • the UE in order to reduce the resource scheduling overhead of the network device, the UE may be in the MTC communication mode. Switching in NB-IoT communication mode.
  • the network device can control the communication mode adopted by the user equipment when accessing the network device by sending the communication mode preference information of the network device.
  • the network device when the load of the network device is heavy, the network device expects the dual mode UE to access the network device through the NB-IoT communication mode, and the communication mode preference information sent by the network device carries the NB-IoT communication mode.
  • the network device wants the dual mode UE to access the network device by using the MTC communication mode, and the communication mode preference information sent by the network device carries the MTC communication mode.
  • the network device may also send the capability indication information of the network device, where the capability indication information of the network device is used to indicate that the network device supports the NB-IoT communication mode and the MTC communication mode.
  • the user equipment may select a communication mode to access the network device according to its own service characteristics and/or the communication mode preference information of the user equipment itself, and the network device may subsequently be based on its own load size and/or the service of the user equipment. Characteristic, sending mode switching indication information to the user equipment, thereby triggering the user equipment to switch from the current communication mode to another communication mode.
  • the user equipment can also switch access between the first network device and the second network device, for example, the first
  • the network device sends the capability indication information of the second network device to the user equipment, where the capability indication information of the second network device is used to indicate that the communication mode supported by the second network device includes the first communication mode, where the first communication mode may be NB-IoT communication mode or MTC communication mode.
  • the user equipment may first access the first network device by using the second communication mode, and the first network device sends a mode switching indication information to the user equipment according to the load size of the user device and/or the service feature of the user equipment.
  • the conversion indication information is used to indicate that the user equipment is switched from the second communication mode to the first communication mode. Because the second network device supports the first communication mode, the user equipment re-accesses the second network device by using the first communication mode.
  • FIG. 2 is a schematic diagram of another 5G system architecture according to an embodiment of the present invention.
  • the figure is another form of the 5G gNB, that is, the gNB may be virtual, that is, not the foregoing eNB or
  • some functions are on a distributed unit (DU), and some functions are on a centralized unit (CU).
  • Multiple DUs can be connected to the same CU.
  • the network device in the embodiment of the present invention can be regarded as a set of DUs and CUs in FIG. 2, for example, the DU1 and the CU can be aggregated into one network device, and the functions of the network device in the embodiment of the present invention are implemented.
  • the device access method in the embodiment of the present invention includes, but is not limited to, the following steps:
  • the network device sends at least one information block, where the information block includes communication mode preference information of the network device, where the communication mode preference information is used to indicate that the network device is biased toward at least one user equipment served by the network device.
  • a first communication mode used when accessing the network device the first communication mode includes a machine type communication mode or a narrowband IoT communication mode;
  • the user equipment receives the information block sent by the network device, where the information block includes communication mode preference information of the network device.
  • the user equipment acquires a system message corresponding to the first communication mode, and accesses the network device by using a system message corresponding to the first communication mode.
  • the network device accesses the user equipment to the network device, where the user equipment is a device that accesses the network device by using a system message corresponding to the first communication mode.
  • the network device may send at least one information block by broadcast or multicast, or the network device may also be a unicast transmission information block.
  • the at least one user equipment served by the network device may be a user equipment in at least one cell under the network device.
  • the network device may have a communication mode preference, for example, the network device prefers that at least one user equipment served by the network device accesses the network device by using an MTC communication mode, or the network device prefers at least the service of the network device.
  • a user equipment accesses the network device in the NB-IoT communication mode.
  • the network device prefers the NB-IoT communication mode, and when the load of the network device is relatively small, the network device prefers the MTC communication mode.
  • the network device sends at least one information block, where the information block includes communication mode preference information of the network device, where the communication mode preference information is used to indicate that the network device is biased toward accessing the network device by at least one user equipment served by the network device
  • the first communication mode may be an MTC communication mode, or the first communication mode may be an NB-IoT communication mode.
  • the network device supports both the MTC communication mode and the NB-IoT communication mode.
  • the information block may be a system information block, or the information block may also be a main information block.
  • the information block is a system information block
  • the at least one information block sent by the network device includes an SIB-BR and an SIB-NB, where the SIB-BR is the UE accessing through the MTC communication mode.
  • the network device indicates the communication mode preference information of the network device in the SIB-BR and the SIB-NB. For example, if the network device prefers that the UE under its coverage accesses the network device by using the MTC communication mode, the network device is The preference is indicated in the SIB-BR and SIB-NB as the MTC communication mode. If the network device prefers that the UE under its coverage accesses the network device by using the NB-IoT communication mode, the network device indicates its preference to the NB-IoT communication mode in the SIB-BR and the SIB-NB.
  • the network device may carry Narrow band information or carrier information of the system message of the first communication mode in the information block.
  • the network device indicates the Narrow band information or the carrier information used by the SIB-NB in the SIB-BR, and the user equipment that initially uses the MTC communication mode reads the SIB-BR, and learns the network device.
  • Preference is the NB-IoT communication mode, which can quickly receive the SIB-NB according to the Narrow band information or carrier information used by the SIB-NB carried in the SIB-BR, thereby adopting the NB-IoT communication mode. Reconnect to the network device.
  • the network device indicates the Narrow band information or carrier information used by the SIB-BR in the SIB-NB.
  • the network device knows that The preference of the network device is the MTC communication mode, and the SIB-BR can be quickly received according to the Narrow band information or carrier information used by the SIB-BR carried in the SIB-NB, thereby re-establishing the MTC communication mode. Access to the network device.
  • the user equipment supports both the MTC communication mode and the NB-IoT communication mode.
  • the user equipment determines which communication mode to use to access the network device by reading the preference in the information block.
  • the user equipment may obtain the preference of the network device by reading the SIB-NB, or may obtain the preference of the network device by reading the SIB-BR.
  • the user equipment obtains the preference of the network device by reading which information block is read, and depends on the communication mode initially used by the user equipment.
  • the user equipment obtains the preference of the network device by reading the SIB-NB; if the communication mode initially used by the user equipment is the MTC communication mode, the user equipment acquires the preference of the network device by reading the SIB-BR.
  • the UE When the UE obtains the preference by reading the SIB-NB, if the preference of the network device is the MTC communication mode, the UE stops using the NB-IoT communication mode to read the system message of the network device, and uses the MTC communication.
  • the mode is to read the system message SIB-BR of the network device, and when the UE has data transmission, the UE accesses the network device by using the MTC communication mode.
  • the UE When the UE obtains the preference by reading the SIB-BR, if the preference of the network device is the NB-IoT communication mode, the UE stops using the MTC communication mode to read the system message of the network device, but uses the NB- The IoT communication mode is to read the system message SIB-NB of the network device. When the UE has data transmission, the UE accesses the network device by using the NB-IoT communication mode.
  • the user equipment can report the capability of the dual-mode operation to the network device, for example, the user equipment sends the capability indication information of the user equipment to the network device.
  • the capability indication information of the user equipment is used to indicate that the user equipment supports the NB-IoT communication mode and the MTC communication mode.
  • the capability indication information of the user equipment may provide reference information for scheduling and load balancing of the network device.
  • the network device changes its preference according to its own load condition.
  • the preference may be changed to the NB-IoT communication mode.
  • the load of the network device is too low, Then you can change its preference to MTC communication mode.
  • the network device may carry the changed communication mode preference information in the system message, and the UE that has accessed the network device reacquires the system message, and the system message is SIB-NB or SIB-BR.
  • the user equipment determines the preference by reacquiring the system message and then reconnects to the network device using the corresponding communication mode.
  • the UE that accesses the network device after changing the preference can directly access the network device according to the communication mode indicated by the changed preference of the network device.
  • the UE that has accessed the network device may access the network device by using the communication mode indicated by the changed preference, or may access the network device even if the communication mode indicated by the preference is changed.
  • the UE still communicates with the network device in the previous communication mode, and only the UE that accesses the network device after changing the preference accesses the network device using the communication mode indicated by the changed preference.
  • the determining, by the network device, the communication mode that the UE should use according to the service feature of the UE for example, if the amount of service data of the UE is small, the NB-IoT communication mode should be used, if the UE If the amount of service data is large, the MTC communication mode should be used. For example, if the UE's service has low latency requirements, the NB-IoT communication mode should be used. If the UE's service requires high delay, the MTC communication should be used. Mode, and so on.
  • the information block is a main information block
  • the at least one information block sent by the network device includes an MIB and an MIB-NB.
  • the MIB is a master information block read by the UE using the MTC communication mode.
  • the MIB-NB is a master information block read by a UE using the NB-IoT communication mode.
  • the network device indicates communication mode preference information of the network device in the MIB and the MIB-NB. Alternatively, the network device indicates whether the UE reads the SIB-NB or the SIB-BR in the MIB and the MIB-NB. If the network device instructs the UE to read the SIB-NB, the UE accesses the network device by using the NB-IoT communication mode. If the network device instructs the UE to read the SIB-BR, the UE accesses the network device by using the MTC communication mode. .
  • the preference of the network device can be known. If the preference of the network device is the NB-IoT communication mode, the UE reads the SIB-NB; if the preference of the network device is the MTC communication mode. Then the UE reads the SIB-BR. This can reduce the UE reading unnecessary SIB messages.
  • the network device may carry, in the primary information block, narrowband information or frequency information in which the system message of the first communication mode indicated by the preference of the network device is located.
  • the MIB message may also be difficult to carry the narrowband information or frequency information of the system message of the first communication mode indicated by the preference of the network device.
  • Network devices can change their preferences based on their own load conditions.
  • the network device may carry the changed communication mode preference information in the primary information block, and the UE that has accessed the network device reacquires the primary information block, which is the MIB or the MIB-NB.
  • the user equipment determines the preference by reacquiring the main information block, and then obtains a system message of the communication mode indicated by the preference, and re-accesses the network device according to the acquired system message.
  • the UE that has accessed the network device does not re-access the network device by using the communication mode indicated by the changed preference, but only the UE that has not accessed the network device is indicated by the changed preference.
  • the communication mode accesses the network device.
  • the user equipment sends the capability indication information of the user equipment to the network device, where the capability indication information of the user equipment is used to indicate that the user equipment supports the machine type communication mode and the narrowband IoT communication mode;
  • the network device receives capability indication information of the user equipment.
  • S16 The network device sends mode switching indication information to the user equipment, where the mode switching indication information is used to indicate that the user equipment is switched from the first communication mode to the second communication mode.
  • the user equipment receives mode switching indication information.
  • S18 The user equipment acquires a system message corresponding to the second communication mode, and re-accesses the network device according to the system message corresponding to the second communication mode.
  • the network device re-accesses the user equipment to the network device.
  • the UE in the connected state may send the capability indication information of the UE to the network device, where the capability indication information of the UE is used to indicate that the user equipment supports the machine type communication mode and Narrowband IoT communication mode. Further, the UE may also report the communication mode preference information preference of the UE to the network device, that is, which communication mode the UE prefers to use to perform data transmission with the network device.
  • the network device may determine, according to a preset condition, whether the UE needs to switch the communication mode.
  • the preset conditions include, but are not limited to, the following conditions: a load size of the network device, a service feature of the UE, and a dual mode capability of the UE. UE's preference and so on.
  • the network device determines that the user equipment is switched from the first communication mode to the second communication mode, the network device sends mode switching indication information to the UE, where the mode switching indication information may be sent by using a handover command, and further, the The mode switching indication information may also include narrowband information or frequency information of the second communication mode operation and/or system message of the second communication mode.
  • the mode switching indication information may be sent by using dedicated signaling, which may include, but is not limited to, one of the following signaling: an RRC connection reconfiguration message including mobility control information (RRC including mobilityControlInfo) ConnectionReconfiguration), an RRC connection reconfiguration message that does not include mobility control information (ie, RRCConnectionReconfiguration that does not include mobilityControlInfo), and an RRC Connection Release message (RRCConnectionRelease).
  • RRC connection reconfiguration message including mobility control information RRC including mobilityControlInfo
  • RRC connectionReconfiguration an RRC connection reconfiguration message that does not include mobility control information
  • RRCConnectionReconfiguration that does not include mobilityControlInfo
  • RRCConnectionRelease RRC Connection Release message
  • the UE accesses the network device by using the MTC communication mode, and reports the capability indication information of the UE and the communication mode preference information of the UE to the network device, and the network device sends the mode switching indication information to the UE according to the foregoing information, where the mode is switched.
  • the indication information is used to indicate that the UE switches from the MTC communication mode to the NB-IoT communication mode, and the mode conversion indication information carries the narrowband information or frequency information of the NB-IoT communication mode and the system elimination of the NB-IoT communication mode.
  • Information (such as SIB-NB, and / or MIB-NB).
  • the UE directly converts to the corresponding narrowband or frequency according to the mode switching indication information, and re-accesses the network device through the NB-IoT communication mode by using the corresponding system message.
  • the mode switching indication information may only include part of the system message of the second communication mode, so the UE needs to obtain another part of the system message of the second communication mode by reading a system message sent by the network device, and then re-accessing To the network device.
  • the network device sends the communication mode preference information of the network device to the user device, and the user device may acquire the system message of the first communication mode indicated by the communication mode preference information according to the communication mode preference information of the network device. And accessing the network device by using the system message corresponding to the first communication mode.
  • the embodiment of the present invention can flexibly switch between the machine type communication mode and the narrowband IoT communication mode by using the communication mode preference information to indicate that the user equipment accesses the first communication mode of the network device, thereby adapting to network changes.
  • FIG. 4 is a scenario diagram of three optional device access methods according to an embodiment of the present invention, and FIG. 4 is a schematic diagram of a device access method according to an embodiment of the present invention.
  • the application scenario diagram of FIG. 6 is only an example, and the device access method illustrated in FIG. 3 is not only applied to the application scenarios of FIG. 4-6:
  • FIG. 4 is a scenario diagram of device access according to an embodiment of the present invention, as shown in the following figure:
  • the eNB sends a system information block, such as an SIB-BR/SIB-NB, where the system information block carries communication mode preference information of the eNB, for example, the communication mode preference information indicates that the eNB is biased toward the UE served by the eNB.
  • the MTC (eMTC) communication mode accesses the eNB;
  • the UE After receiving the system information block, the UE accesses the eNB by using an eMTC communication mode;
  • the UE sends the capability indication information of the UE to the eNB, where the capability indication information of the UE is used to indicate that the UE supports dual mode (eMTC communication mode and NB-IoT communication mode);
  • the eNB changes the communication mode preference information in the SIB-BR/SIB-NB according to the load size of the eNB and the service characteristics of the UE, and the eNB sends the changed SIB-BR/ The SIB-NB, the communication mode preference information in the changed SIB-BR/SIB-NB indicates the NB-IoT communication mode.
  • the UE After receiving the changed SIB-BR/SIB-NB, the UE re-accesses the eNB by using the NB-IoT communication mode.
  • FIG. 5 is a schematic diagram of an application scenario of another device access method according to an embodiment of the present invention, as shown in the following figure:
  • the eNB sends a system information block, such as an SIB-BR/SIB-NB, where the system information block carries communication mode preference information of the eNB, for example, the communication mode preference information indicates that the eNB is biased toward the UE served by the eNB.
  • the MTC (eMTC) communication mode accesses the eNB;
  • the UE After receiving the system information block, the UE accesses the eNB by using an eMTC communication mode;
  • the UE sends the capability indication information of the UE to the eNB, where the capability indication information of the UE is used to indicate that the UE supports dual mode (eMTC communication mode and NB-IoT communication mode);
  • the eNB sends the dedicated signaling to the UE according to the load size of the eNB and the service characteristics of the UE, and the eNB needs to send the dedicated signaling to the UE, where the dedicated signaling carries mode switching indication information, and the dedicated signaling may be
  • the dedicated signaling carries mode switching indication information
  • the dedicated signaling may be
  • the RRC connection reconfiguration message or the RRC connection release message the mode transition indication information is used to indicate that the UE switches from the eMTC communication mode to the NB-IoT communication mode; further optionally, the dedicated signaling may further include the NB-IoT communication mode.
  • Configuration information such as carrier information of the NB-IoT communication mode.
  • the dedicated signaling may only include part of the system message of the NB-IoT communication mode, and the NB-IoT communication Another part of the mode's system message still requires the UE to obtain it from the SIB-NB.
  • the UE re-accesses the eNB according to the system message of the NB-IoT communication mode and adopts the NB-IoT communication mode.
  • FIG. 6 is a schematic diagram of an application scenario of a device access method according to an embodiment of the present invention, as shown in the following figure:
  • the eNB sends a primary information block, such as a MIB/MIB-NB, in which the primary information block carries communication mode preference information of the eNB, for example, the communication mode preference information indicates that the eNB biases the UE served by the eNB to use the enhanced MTC (eMTC) communication mode access to the eNB;
  • a primary information block such as a MIB/MIB-NB
  • the primary information block carries communication mode preference information of the eNB, for example, the communication mode preference information indicates that the eNB biases the UE served by the eNB to use the enhanced MTC (eMTC) communication mode access to the eNB;
  • eMTC enhanced MTC
  • the UE switches the communication mode to the eMTC communication mode, and acquires a system message corresponding to the eMTC communication mode, that is, obtains a system message corresponding to the eMTC communication mode from the SIB-BR;
  • the UE accesses the eNB according to the system message corresponding to the eMTC communication mode by using the eMTC communication mode;
  • the UE sends the capability indication information of the UE to the eNB, where the capability indication information of the UE is used to indicate that the UE supports the eMTC communication mode and the NB-IoT communication mode.
  • the eNB changes the communication mode preference information in the MIB/MIB-NB when the UE needs to switch the communication mode according to the load size of the eNB and the service characteristics of the UE, and the eNB sends the changed MIB/MIB-NB.
  • the communication mode preference information in the changed MIB/MIB-NB indicates the NB-IoT communication mode.
  • the UE switches the communication mode to the NB-IoT communication mode, and acquires a system message corresponding to the NB-IoT communication mode, that is, acquires a system message corresponding to the NB-IoT communication mode from the SIB-NB;
  • the UE re-accesses the eNB according to the system message corresponding to the NB-IoT communication mode by using the NB-IoT communication mode.
  • FIG. 7 is a process flow diagram of another device access method according to an embodiment of the present invention. As shown in the figure, the device access method in the embodiment of the present invention includes, but is not limited to, the following steps:
  • the network device sends at least one information block, where the information block includes capability indication information of the network device, where the capability indication information of the network device is used to indicate that the network device supports a machine type communication mode and a narrowband IoT communication mode. ;
  • the user equipment receives the information block sent by the network device.
  • the user equipment selects a first communication mode to access the network device, where the first communication mode is the machine type communication mode or a narrowband IoT communication mode.
  • the network device accesses the user equipment to the network device, where the user equipment is a device that selects the first communication mode to access the network device, where the first communication mode is the machine type communication mode or the narrowband Internet of Things.
  • Communication mode is the machine type communication mode or the narrowband Internet of Things.
  • the network device may not indicate the communication mode preference information of the network device, but only the capability indication information of the network device, where the capability indication information of the network device is used to indicate that the network device supports the MTC communication mode and the NB. -IoT communication mode.
  • the network device sends at least one information block, where the information block includes capability indication information of the network device, where the at least one information block may include at least one of the following information blocks: MIB, MIB-NB, SIB-BR, SIB-
  • the NB is the capability indication information that the network device carries the network device in any one or more of the sent MIB, MIB-NB, SIB-BR, and SIB-NB.
  • the at least one information block may further instruct the network device to support dual mode switching, that is, support switching between the NB-IoT communication mode and the MTC communication mode.
  • the network device sends at least one information block, where the information block includes capability indication information of the network device
  • the at least one information block may include a communication mode information block, for example, the at least one information block includes an MIB and an SIB-BR, and the information block indicates that the network device supports the NB-IoT communication mode and the MTC communication mode, and further, the network The capability indication information of the device further indicates that the network device supports switching between the NB-IoT communication mode and the MTC communication mode.
  • the at least one information block may further include an MIB-NB and an SIB-NB.
  • the network device sends at least one information block, where the information block includes capability indication information of the network device, where the at least one information block may include any one or more of an MIB, an MIB-NB, an SIB-BR, and an SIB-NB.
  • the combination of the embodiments of the present invention is not limited thereto.
  • the UE may select a communication mode to access the network device according to its own service characteristics or its own communication mode preference information, for example, the UE selects the first communication mode to access the network device,
  • the first communication mode may be an MTC communication mode or an NB-IoT communication mode.
  • the user equipment sends the capability indication information of the user equipment to the network device, where the capability indication information of the user equipment is used to indicate that the user equipment supports the machine type communication mode and the narrowband IoT communication mode;
  • the network device receives capability indication information of the user equipment.
  • the network device sends mode switching indication information to the user equipment, where the mode switching indication information is used to indicate that the user equipment is switched from the first communication mode to the second communication mode.
  • the user equipment receives mode switching indication information.
  • the user equipment re-accesses the network device by using the second communication mode.
  • the network device re-accesses the user equipment to the network device.
  • the UE confirms whether the UE supports the MTC communication mode and the NB-IoT communication mode, and whether to support switching between the MTC communication mode and the NB-IoT communication mode.
  • the UE confirms that it supports the MTC communication mode and the NB-IoT communication mode, and supports the handover between the MTC communication mode and the NB-IoT communication mode
  • the UE reports the capability indication information of the UE to the network device, and the capability indication information of the UE is used by the UE.
  • the indication supports the MTC communication mode and the NB-IoT communication mode, and supports switching between the MTC communication mode and the NB-IoT communication mode.
  • the network device may determine, according to a preset condition, whether the UE needs to switch the communication mode.
  • the preset conditions include, but are not limited to, the following conditions: a load size of the network device, a service feature of the UE, and a dual mode capability of the UE. UE's preference and so on.
  • the network device determines that the user equipment is switched from the first communication mode to the second communication mode, the network device sends mode switching indication information to the UE, and when the UE receives the mode switching indication information, the network device may reconnect through the second communication mode. Enter the network device.
  • the second communication mode is the NB-IoT communication mode, and the UE can switch from the MTC communication mode to the NB-IoT communication mode. If the first communication mode is the NB-IoT communication mode, the second communication mode is the MTC communication mode, and the UE may switch from the NB-IoT communication mode to the MTC communication mode.
  • the network device sends the capability indication information of the network device to the user equipment, that is, the network device supports the machine type communication mode and the narrowband IoT communication mode, and the user equipment can select from the communication modes supported by the network device.
  • the first communication mode accesses the network device.
  • the user equipment can flexibly switch between the machine type communication mode and the narrowband IoT communication mode, thereby adapting to network changes.
  • FIG. 8 is a scenario diagram of an optional device access method according to an embodiment of the present invention. It should be noted that the application scenario diagram of FIG. 8 is only For example, as illustrated in Figure 7 The device access method is not only applied to the application scenario of Figure 8:
  • FIG. 8 is a schematic diagram of an application scenario of a device access method according to an embodiment of the present invention, as shown in the following figure:
  • the eNB sends a system information block, such as an SIB-BR/SIB-NB, where the system information block carries the capability indication information of the eNB, and the capability indication information of the eNB is used to indicate that the eNB supports the eMTC communication mode and the NB-IoT at the same time.
  • a system information block such as an SIB-BR/SIB-NB
  • the system information block carries the capability indication information of the eNB
  • the capability indication information of the eNB is used to indicate that the eNB supports the eMTC communication mode and the NB-IoT at the same time.
  • the UE selects a communication mode to access the eNB, for example, may select an eMTC communication mode to access the eNB;
  • the UE After the UE accesses the eNB, the UE sends the capability indication information of the UE to the eNB, where the capability indication information of the UE is used to indicate that the UE supports dual mode (eMTC communication mode and NB-IoT communication mode);
  • the eNB When the eNB needs to switch the communication mode according to the load size of the eNB and the service characteristics of the UE, the eNB sends the dedicated signaling to the UE, where the dedicated signaling carries mode switching indication information, and the dedicated signaling may be The RRC connection reconfiguration message or the RRC connection release message, the mode transition indication information is used to indicate that the UE switches from the eMTC communication mode to the NB-IoT communication mode; further optionally, the dedicated signaling may further include the NB-IoT communication mode. Configuration information, such as carrier information of the NB-IoT communication mode.
  • the dedicated signaling may only include a part of the system message of the NB-IoT communication mode, and another part of the system message of the NB-IoT communication mode still needs to be obtained by the UE from the MIB-NB/SIB-NB.
  • the UE After receiving the dedicated signaling of the eNB, the UE switches to the NB-IoT communication mode, and uses the NB-IoT communication mode to read the system message MIB-NB/SIB-NB corresponding to the NB-IoT communication mode;
  • the UE accesses the eNB according to the system message corresponding to the NB-IoT communication mode and adopts the NB-IoT communication mode;
  • the eNB When the eNB needs to switch the communication mode according to the load size of the eNB and the service characteristics of the UE, the eNB sends the dedicated signaling to the UE, where the dedicated signaling carries mode switching indication information, and the dedicated signaling may be
  • the RRC connection reconfiguration message or the RRC connection release message is used to indicate that the UE is switched from the NB-IoT communication mode to the eMTC communication mode; further optionally, the dedicated signaling may further include the configuration of the eMTC communication mode.
  • Information such as LTE carrier information.
  • the dedicated signaling may only include a part of the system message of the eMTC communication mode, and another part of the system message of the eMTC communication mode still needs to be obtained by the UE from the MIB/SIB-BR.
  • the UE After receiving the dedicated signaling of the eNB, the UE switches to the eMTC communication mode, and uses the eMTC communication mode to read the system message MIB/SIB-BR corresponding to the eMTC communication mode;
  • the UE re-accesses the eNB according to the system message corresponding to the eMTC communication mode and adopts the eMTC communication mode.
  • the UE can flexibly switch between the eMTC communication mode and the NB-IoT communication mode.
  • FIG. 9 is a flow diagram of a device access method according to another embodiment of the present invention. As shown in the figure, the device access method in the embodiment of the present invention includes, but is not limited to, the following steps:
  • the first network device sends capability request information to the second network device.
  • the second network device sends the capability indication information of the second network device to the first network device, where the capability indication information of the second network device is used to indicate a communication mode supported by the second network device, where the second network
  • the communication mode supported by the device includes a first communication mode, and the first communication mode is a narrowband IoT communication mode or a machine type communication mode;
  • the first network device receives capability indication information of the second network device.
  • the first network device sends an information block to the user equipment, where the information block includes capability indication information of the second network device, to trigger the user equipment to access the second network device by using the first communication mode. ;
  • the user equipment receives the information block of the first network device.
  • the user equipment accesses the first network device by using the second communication mode.
  • S36 The user equipment sends the capability indication information of the user equipment to the first network device, where the capability indication information of the user equipment is used to indicate that the user equipment supports the first communication mode and the second communication mode.
  • the first network device receives capability indication information of the user equipment.
  • the first network device sends mode switching indication information to the user equipment, where the mode switching indication information is used to indicate that the user equipment is switched from the second communication mode to the first communication mode.
  • the user equipment receives mode switching indication information sent by the first network device.
  • the user equipment re-accesses the second network device by using the first communication mode according to the capability indication information of the second network device.
  • the communication modes supported by the different network devices may be different, the first network device supports the second communication mode, and the communication mode supported by the second network device includes the first communication mode, the first communication mode and the second The communication mode can be different.
  • the first network device only supports the MTC communication mode (the second communication mode)
  • the second network device only supports the NB-IoT communication mode (the first communication mode).
  • the first network device only supports the MTC communication mode (the second communication mode)
  • the second network device supports both the MTC communication mode and the NB-IoT communication mode, wherein the NB-IoT communication mode is the first communication mode.
  • the UE switches between different communication modes of different network devices.
  • the first communication mode may be the same as the second communication mode, and the difference is only the communication mode of different network devices.
  • the first network device only supports the MTC communication mode (the second communication mode)
  • the second network device supports both the MTC communication mode and the NB-IoT communication mode, wherein the MTC communication mode is the first communication mode.
  • the UE if the first communication mode is the same as the second communication mode, the UE only switches between different network devices, and the communication mode of accessing the first network device and the second network device is the same.
  • the first network device sends capability request information to the second network device, where the capability request information is used to request the second network device to feed back the communication mode supported by the second network device.
  • the second network device sends the capability indication information of the second network device to the first network device according to the capability request information, where the capability indication information of the second network device is used to indicate a communication mode supported by the second network device, the second The communication mode supported by the network device may include only the NB-IoT communication mode, or the communication mode supported by the second network device only includes the MTC communication mode, or the communication mode supported by the second network device includes the MTC communication mode and The NB-IoT communication mode, further optionally, the capability indication information of the second network device may further include narrowband information or frequency information corresponding to each communication mode supported by the second network device.
  • the first communication mode is the NB-IoT communication mode
  • the second communication mode is the MTC communication mode as an example.
  • the first network device sends a system message, where the system message carries the capability indication information of the neighboring cell or the neighboring base station, for example, the capability indication information includes the cell list and the capability indication information of the base station of the corresponding cell. If the second network device supports the NB-IoT communication mode, the second network device is the neighboring base station of the first network device.
  • the system message may also include narrowband information or frequency information of a communication mode supported by the second network device.
  • the first network device supports the MTC communication mode, and the UE resides in the first network device, accesses the first network device by using the MTC communication mode, and reports the dual-mode capability indication information to the first network device or to the first network device.
  • the network device reports the preference of the UE.
  • the first network device determines, according to a preset condition, whether the UE needs to switch the communication mode.
  • the preset conditions include, but are not limited to, the following conditions: a load size of the first network device, a service feature of the UE, and a duality of the UE. Modular capability, UE's preference, etc.
  • the first network device When the first network device determines that the UE needs to switch the communication mode, the first network device sends mode switching indication information to the UE by using dedicated signaling, including but not limited to an RRC reconnection configuration message, an RRC release message, and the like.
  • the UE re-accesses the second network device by using the NB-IoT communication mode according to the mode switching indication information and the capability indication information of the second network device received in advance (ie, the second network device supports the NB-IoT communication mode).
  • the device access process is the same, which is not described in the embodiment of the present invention.
  • the UE may also access the second network device by using the first communication mode according to the capability indication information of the second network device when the first network device is not connected.
  • the first network device sends the capability indication information of the second network device to the user equipment.
  • the user equipment may use the second network device.
  • a communication mode accesses the second network device. In this way, the load of the first network device can be alleviated, and the user equipment can be flexibly controlled to access the first network device or the second network device.
  • FIG. 10 is a flowchart of an optional device access method according to an embodiment of the present invention. It should be noted that the application scenario diagram of FIG. 10 is only For example, the device access method illustrated in FIG. 9 is not only applied to the application scenario of FIG. 10:
  • FIG. 10 is a schematic diagram of an application scenario of a device access method according to an embodiment of the present invention, as shown in the following figure:
  • the UE receives the SIB-BR of the eNB-1 by using the eMTC communication mode, where the SIB-BR includes the capability indication information of the eNB-2, and the capability indication information of the eNB-2 is used to indicate that the eNB-2 supports the NB-IoT communication mode and eMTC communication mode, further optionally, the capability indication information of the eNB-2 may further include carrier information of the first communication mode (ie, NB-IoT communication mode);
  • the UE sends the capability indication information of the UE to the eNB-1, where the capability indication information of the UE is used to indicate that the UE supports the NB-IoT communication mode and the eMTC communication mode.
  • the eNB-1 sends the mode switching indication information to the UE by using the RRC reconfiguration message or the RRC release message, where the mode switching indication information is used to indicate that the UE is switched from the eMTC communication mode to the NB-IoT communication mode, and the mode switching indication information further includes Configuration information of the NB-IoT communication mode, such as carrier information;
  • the UE is switched from the eMTC communication mode to the NB-IoT communication mode, and acquires the system message SIB-NB of the NB-IoT communication mode from the eNB-2 according to the capability indication information of the eNB-2;
  • the UE re-accesses eNB-2 through the obtained system message.
  • FIG. 11 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment may include: a transceiver unit 101 and a processing unit 102, where:
  • the transceiver unit 101 is configured to perform a receiving action or a sending action performed by the user equipment described in the foregoing method in FIG. 3;
  • the processing unit 102 can be configured to perform corresponding processing described in the method of FIG. 3 above on the information block received by the transceiver unit 101.
  • the transceiver unit 101 can be implemented by using the transceiver 1001 in FIG. 11b, and the processing unit 102 can be implemented by using the processor 1002 or by using the processor 1002 and the memory 1003.
  • the transceiver unit 101 is configured to receive an information block sent by the network device, where the information block includes communication mode preference information of the network device, where the communication mode preference information is used to indicate that the network device is biased toward the network device.
  • the processing unit 102 is configured to acquire a system message corresponding to the first communication mode, and access the network device by using a system message corresponding to the first communication mode.
  • the information block further includes narrowband information or frequency information in which the system message corresponding to the first communication mode is located.
  • the information block is a bandwidth reduction system information block SIB-BR
  • the first communication mode is a narrowband IoT communication mode.
  • the system message corresponding to the first communication mode exists in the narrowband system information block SIB-NB; or
  • the information block is an SIB-NB
  • the first communication mode is a machine type communication mode
  • the first communication mode corresponds to a system message.
  • SIB-BR Present in SIB-BR.
  • the second communication mode currently used by the user equipment is a machine type communication mode
  • the information block is a main information block MIB
  • the first communication mode is a narrowband IoT communication mode
  • the first communication The system message corresponding to the mode exists in the SIB-NB; or,
  • the information block is a narrowband main information block MIB-NB
  • the first communication mode is a machine type communication mode
  • the first communication mode is The corresponding system message exists in the SIB-BR.
  • the method further includes:
  • the transceiver unit 101 sends the capability indication information of the user equipment to the network device, where the capability indication information of the user equipment is used to indicate that the user equipment supports the machine type communication mode and the narrowband Internet of Things communication mode. ;
  • the transceiver unit 101 receives the mode switching indication information sent by the network device, where the mode switching indication information is used to indicate that the user equipment is switched from the first communication mode to the second communication mode;
  • the processing unit 102 acquires a system message corresponding to the second communication mode, and re-accesses the network device according to the system message corresponding to the second communication mode.
  • the mode switching indication information is sent by using dedicated signaling, where the dedicated signaling includes any one of the following signaling: a handover command, a radio resource control RRC connection reconfiguration message, an RRC connection suspension message, and an RRC Even The recovery message and the RRC connection release message are received.
  • the dedicated signaling includes any one of the following signaling: a handover command, a radio resource control RRC connection reconfiguration message, an RRC connection suspension message, and an RRC Even The recovery message and the RRC connection release message are received.
  • the user equipment may include: a transceiver 1001 and a processor 1002.
  • the processor 1002 is configured to control the operation of the user equipment, including transmitting (including receiving and/or transmitting) information blocks through the transceiver 1001.
  • a memory 1003 may be included.
  • the memory 1003 may include a read only memory and a random access memory for providing instructions and data to the processor 1002.
  • the memory 1003 can be integrated into the processor 1002 or can be independent of the processor 1002.
  • a portion of the memory 1003 may also include non-volatile line random access memory (NVRAM).
  • NVRAM non-volatile line random access memory
  • bus system 1009 includes, in addition to the data bus, a power bus, a control bus, and a status signal bus.
  • bus system 1009 includes, in addition to the data bus, a power bus, a control bus, and a status signal bus.
  • various buses are labeled as bus system 1009 in the figure.
  • the flow of the user equipment disclosed in the embodiment of FIG. 3 of the present application may be applied to the processor 1002 or implemented by the processor 1002.
  • the steps of the flow implemented by the user equipment may be completed by an integrated logic circuit of hardware in the processor 1002 or an instruction in a form of software.
  • the processor 1002 can be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or a transistor logic device, and a discrete hardware component, which can be implemented or executed in the embodiment of the present application.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 1003.
  • the processor 1002 reads the information in the memory 1003, and completes the steps of the user equipment indication process in FIG. 3 according to the embodiment of the present invention.
  • the transceiver 1001 is configured to receive an information block sent by a network device, where the information block includes communication mode preference information of the network device, where the communication mode preference information is used to indicate that the network device is biased toward the network device service.
  • the first communication mode employed by the at least one user equipment to access the network device, the first communication mode comprising a machine type communication mode or a narrowband IoT communication mode.
  • the processor 1002 is configured to acquire a system message corresponding to the first communication mode, and access the network device by using a system message corresponding to the first communication mode.
  • the user equipment may further include an input device, such as a keyboard, an output device, such as a display screen, and the like, and details are not described herein.
  • an input device such as a keyboard
  • an output device such as a display screen
  • the embodiment of the present invention further provides a network device, which may be the network device described in the foregoing method in FIG. 3, and more specifically may be a transmission point, such as a base station, or may be implemented.
  • the device corresponding to the function of the network device described in the above method.
  • FIG. 12 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • the network device may include: a transceiver unit 201 and a processing unit 202, where:
  • the transceiver unit 201 is configured to perform a sending action or a receiving action performed by the network device described in the foregoing method in FIG. 3;
  • the processing unit 202 is configured to perform corresponding processing described in the foregoing method of FIG. 3 on the information block to be sent by the transceiver unit 201, and send the information block by using the transceiver unit 201.
  • the transceiver unit 201 can be implemented by using the transceiver 2001 in FIG. 12b, and the processing unit 202 can be implemented by using the processor 2002, or by using the processor 2002 and the memory 2003.
  • the transceiver unit 201 is configured to send at least one information block, where the information block includes communication mode preference information of the network device, where the communication mode preference information is used to indicate that the network device is biased toward the network device service.
  • a first communication mode adopted when the at least one user equipment accesses the network device where the first communication mode includes a machine type communication mode or a narrowband IoT communication mode;
  • the processing unit 202 is configured to access the user equipment to the network device, where the user equipment is a device that accesses the network device by using a system message corresponding to the first communication mode.
  • the at least one information block includes an SIB-BR and an SIB-NB; or
  • the at least one information block includes an MIB and an MIB-NB.
  • the network device can include a transceiver 2001, a processor 2002, and a memory 2003.
  • the processor 2002 is configured to control the operation of the network device, including data transmission (including receiving and/or transmitting) by the transceiver 2001;
  • the memory 2003 may include a read only memory and a random access memory for providing the processor 2002 Instructions and data.
  • a portion of the memory 2003 may also include non-volatile line random access memory (NVRAM).
  • NVRAM non-volatile line random access memory
  • the flow disclosed in the embodiment of the present application may be applied to the processor 2002 or implemented by the processor 2002.
  • each step of the flow implemented by the network device may be completed by an integrated logic circuit of hardware in the processor 2002 or an instruction in a form of software.
  • the processor 2002 can be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or a transistor logic device, and a discrete hardware component, which can be implemented or executed in the embodiment of the present application.
  • a general purpose processor can be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the network device side of FIG.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 2003, and the processor 2002 reads the information in the memory 2003, and completes the steps of the instruction flow of the embodiment of the present invention in combination with the hardware thereof.
  • the transceiver 2001 is configured to send at least one information block, where the information block includes communication mode preference information of the network device, where the communication mode preference information is used to indicate that the network device is biased toward the network device service.
  • a first communication mode adopted when the at least one user equipment accesses the network device where the first communication mode includes a machine type communication mode or a narrowband IoT communication mode;
  • the processor 2002 is configured to access the user equipment to the network device, where the user equipment is a device that accesses the network device by using a system message corresponding to the first communication mode.
  • the network device may further include a communication interface module for communicating with other base stations or other network elements, such as a core network element.
  • the embodiment of the present application further provides a system, including the foregoing user equipment (FIG. 11a or FIG. 11b) and a network device. (Fig. 12a or Fig. 12b), the system can be a communication system or other systems.
  • FIG. 13 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment may include: a transceiver unit 301 and a processing unit 302, where:
  • the transceiver unit 301 is configured to perform a receiving action or a sending action performed by the user equipment described in the foregoing method in FIG. 7;
  • the processing unit 302 can be configured to perform the corresponding processing described in the method of FIG. 7 above on the information block received by the transceiver unit 301.
  • the transceiver unit 301 can be implemented by using the transceiver 3001 in FIG. 13b, and the processing unit 302 can be implemented by using the processor 3002, or by using the processor 3002 and the memory 3003.
  • the transceiver unit 301 is configured to receive an information block sent by the network device, where the information block includes capability indication information of the network device, where the capability indication information of the network device is used to indicate that the network device supports a machine type communication mode. And narrowband IoT communication mode;
  • the processing unit 302 is configured to select a first communication mode to access the network device, where the first communication mode is the machine type communication mode or a narrowband IoT communication mode.
  • the transceiver unit 301 is further configured to send the capability indication information of the user equipment to the network device, where the capability indication information of the user equipment is used to indicate that the user equipment supports the machine type communication mode and the Narrowband IoT communication mode;
  • the transceiver unit 301 is further configured to receive the mode switching indication information of the network device, where the mode switching indication information is used to indicate that the user equipment is switched from the first communications mode to the second communications mode.
  • the processing unit 302 is further configured to re-access the network device by using the second communication mode
  • the second communication mode is the narrowband IoT communication mode if the first communication mode is the machine type communication mode; if the first communication mode is the narrowband IoT communication mode, The second communication mode is the machine type communication mode.
  • the user equipment may include: a transceiver 3001 and a processor 3002.
  • the processor 3002 is configured to control the operation of the user equipment, including transmitting (including receiving and/or transmitting) information blocks through the transceiver 3001.
  • a memory 3003 may be included.
  • the memory 3003 may include a read only memory and a random access memory for providing instructions and data to the processor 3002.
  • the memory 3003 may be integrated in the processor 3002 or may be independent of the processor 3002.
  • a portion of the memory 3003 may also include non-volatile line random access memory (NVRAM).
  • NVRAM non-volatile line random access memory
  • bus system 3009 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • bus system 3009 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 3009 in the figure.
  • the flow of the user equipment disclosed in the embodiment of FIG. 7 of the present application may be applied to the processor 3002 or implemented by the processor 3002.
  • the steps of the process implemented by the user equipment may be completed by an integrated logic circuit of hardware in the processor 3002 or an instruction in a form of software.
  • the processor 3002 can 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 can implement or perform the embodiments of the present application.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 3003, and the processor 3002 reads the information in the memory 3003, and completes the steps of the user equipment indication process of the embodiment of the present invention in combination with the hardware thereof.
  • the user equipment may further include an input device, such as a keyboard, an output device, such as a display screen, and the like, and details are not described herein.
  • an input device such as a keyboard
  • an output device such as a display screen
  • the embodiment of the present invention further provides a network device, which may be the network device described in the foregoing method of FIG. 7, and more specifically may be a transmission point, such as a base station, or may be implemented.
  • the device corresponding to the function of the network device described in the above method.
  • FIG. 14 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • the network device may include: a transceiver unit 401 and a processing unit 402, where:
  • the transceiver unit 401 is configured to perform a sending action or a receiving action performed by the network device described in the foregoing method in FIG. 7;
  • the processing unit 402 is configured to perform the corresponding processing described in the foregoing method of FIG. 7 on the information block to be sent by the transceiver unit 401, and send the information block through the transceiver unit 401.
  • the transceiver unit 401 can be implemented by using the transceiver 4001 in FIG. 14b, and the processing unit 402 can be implemented by using the processor 4002, or by using the processor 4002 and the memory 4003.
  • the transceiver unit 201 is configured to send at least one information block, where the information block includes capability indication information of the network device, and the capability indication information of the network device is used to indicate that the network device supports a machine type communication mode and a narrowband Internet of Things communication mode;
  • the processing unit 202 is configured to access the user equipment to the network device, where the user equipment is a device that selects the first communication mode to access the network device, and the first communication mode is the machine type communication mode. Or a narrowband IoT communication mode.
  • the at least one information block includes at least one of the following information blocks: a bandwidth reduction system information block SIB-BR, a narrowband system information block SIB-NB, a main information block MIB, and a narrowband main information block MIB-NB.
  • the network device can include a transceiver 4001, a processor 4002, and a memory 4003.
  • the processor 4002 is configured to control operations of the network device, including transmitting (including receiving and/or transmitting) data through the transceiver 4001;
  • the memory 4003 may include a read only memory and a random access memory for providing the processor 4002 Instructions and data.
  • a portion of the memory 4003 may also include non-volatile line random access memory (NVRAM).
  • NVRAM non-volatile line random access memory
  • the various components of the network device are coupled together by a bus system, wherein the bus system 4009 includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 4009 in the figure.
  • the flow disclosed in the embodiment of the present application may be applied to the processor 4002 or implemented by the processor 4002.
  • the steps of the flow implemented by the network device may pass through the integrated logic circuit of the hardware in the processor 4002. Or instructions in software form are completed.
  • the processor 4002 can be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or a transistor logic device, and a discrete hardware component, which can be implemented or executed in the embodiment of the present application.
  • a general purpose processor can be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the network device side of FIG.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 4003, and the processor 4002 reads the information in the memory 4003, and completes the steps of the instruction flow of the embodiment of the present invention in combination with the hardware thereof.
  • the network device may further include a communication interface module for communicating with other base stations or other network elements, such as a core network element.
  • the embodiment of the present application further provides a system, including the foregoing user equipment (FIG. 13a or FIG. 13b) and a network device (FIG. 14a or FIG. 14b), which may be a communication system or other systems.
  • a system including the foregoing user equipment (FIG. 13a or FIG. 13b) and a network device (FIG. 14a or FIG. 14b), which may be a communication system or other systems.
  • FIG. 15 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment may include: a transceiver unit 501 and a processing unit 502, where:
  • the transceiver unit 501 is configured to perform a receiving action or a sending action performed by the user equipment described in the foregoing method in FIG. 9;
  • the processing unit 502 can be configured to perform the corresponding processing described in the method of FIG. 9 above on the information block received by the transceiver unit 501.
  • the transceiver unit 501 can be implemented by using the transceiver 5001 in FIG. 15b, and the processing unit 502 can be implemented by using the processor 5002 or by using the processor 5002 and the memory 5003.
  • the transceiver unit 501 is configured to receive an information block of the first network device, where the information block includes capability indication information of the second network device, and the capability indication information of the second network device is used to indicate the second network device a communication mode supported by the second network device, where the communication mode supported by the second network device includes a first communication mode, where the first communication mode is a narrowband IoT communication mode or a machine type communication mode;
  • the processing unit 502 is configured to access the second network device by using the first communication mode.
  • the processing unit 502 accesses the second network device by using the first communication mode before the processing unit 502 accesses the second network device by using the first communication mode;
  • the transceiver unit 501 is configured to send the capability indication information of the user equipment to the first network device, where the capability indication information of the user equipment is used to indicate that the user equipment supports the first communication mode and the second Communication mode
  • the transceiver unit 501 is configured to receive the mode switching indication information that is sent by the first network device, where the mode switching indication information is used to indicate that the user equipment is switched from the second communications mode to the first communications mode.
  • the processing unit 502 accessing the second network device by using the first communication mode specifically includes:
  • the processing unit 502 re-accesses the second network device by using the first communication mode according to the capability indication information of the second network device;
  • the first communication mode is a narrowband IoT communication mode
  • the second communication mode is a narrowband IoT communication mode
  • the first communication mode is Machine type communication mode
  • the user equipment may include: a transceiver 5001 and a processor 5002.
  • the processor 5002 is configured to control the operation of the user equipment, including transmitting (including receiving and/or transmitting) information blocks through the transceiver 5001.
  • a memory 5003 may be included.
  • the memory 5003 may include a read only memory and a random access memory for providing instructions and data to the processor 5002.
  • the memory 5003 can be integrated into the processor 5002 or can be independent of the processor 5002.
  • a portion of memory 5003 may also include non-volatile line random access memory (NVRAM).
  • NVRAM non-volatile line random access memory
  • bus system 5009 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • bus system 5009 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 5009 in the figure.
  • the flow of the user equipment disclosed in the embodiment of FIG. 9 of the present application may be applied to the processor 5002 or implemented by the processor 5002.
  • the steps of the process implemented by the user equipment may be completed by an integrated logic circuit of hardware in the processor 5002 or an instruction in a form of software.
  • the processor 5002 can be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or a transistor logic device, and a discrete hardware component, which can be implemented or executed in the embodiment of the present application.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 5003, and the processor 5002 reads the information in the memory 5003, and completes the steps of the user equipment indication process of the embodiment of the present invention in conjunction with the hardware thereof.
  • the user equipment may further include an input device, such as a keyboard, an output device, such as a display screen, and the like, and details are not described herein.
  • an input device such as a keyboard
  • an output device such as a display screen
  • the embodiment of the present invention further provides a network device, which may be the network device described in the foregoing method of FIG. 9, and more specifically may be a transmission point, such as a base station, or may be implemented.
  • the device corresponding to the function of the network device described in the above method.
  • FIG. 16 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • the network device may include: a receiving unit 601, a processing unit 602, and a sending unit 603, where:
  • the receiving unit 601 is configured to perform the receiving action performed by the network device described in the foregoing method in FIG. 9;
  • the sending unit 603 is configured to perform a sending action performed by the network device described in the foregoing method in FIG. 9;
  • the processing unit 602 is configured to perform the corresponding processing described in the method embodiment of FIG. 9 on the capability indication information of the second network device received by the receiving unit 601, and send the information block to the user equipment by using the sending unit 603.
  • the receiving unit 601 and the sending unit 603 can be implemented by using the transceiver 6001 in FIG. 16b, and the processing unit 602 can be implemented by using the processor 6002 or by using the processor 6002 and the memory 6003.
  • the receiving unit 601 is configured to receive capability indication information of the second network device, where the second network device
  • the capability indication information is used to indicate a communication mode supported by the second network device, and the communication mode supported by the second network device includes a first communication mode, where the first communication mode is a narrowband IoT communication mode or a machine type communication mode.
  • the sending unit 603 is configured to send, to the user equipment, an information block, where the information block includes capability indication information of the second network device, to trigger the user equipment to access the second network device by using the first communication mode. .
  • the sending unit 603 is further configured to send the capability request information to the second network device.
  • the receiving unit 601 is further configured to receive capability indication information of the second network device that is sent by the second network device.
  • the network device may include: a transceiver 6001, a processor 6002, and a memory 6003.
  • the processor 6002 is configured to control the operation of the network device, including transmitting (including receiving and/or transmitting) data through the transceiver 6001;
  • the memory 6003 may include a read only memory and a random access memory for providing the processor 6002. Instructions and data.
  • a portion of the memory 6003 may also include non-volatile line random access memory (NVRAM).
  • NVRAM non-volatile line random access memory
  • the various components of the network device are coupled together by a bus system, wherein the bus system 6009 includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for clarity of description, various buses are labeled as bus system 6009 in the figure.
  • the flow disclosed in the embodiment of the present application may be applied to the processor 6002 or implemented by the processor 6002.
  • each step of the flow implemented by the network device may be completed by an integrated logic circuit of hardware in the processor 6002 or an instruction in a form of software.
  • the processor 6002 can be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or a transistor logic device, and a discrete hardware component, which can be implemented or executed in the embodiment of the present application.
  • a general purpose processor can be a microprocessor or any conventional processor or the like. The steps of the method disclosed in the network device side of FIG.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 6003, and the processor 6002 reads the information in the memory 6003, and completes the steps of the instruction flow of the embodiment of the present invention in combination with the hardware thereof.
  • the network device may further include a communication interface module for communicating with other base stations or other network elements, such as a core network element.
  • the embodiment of the present application further provides a system, including the foregoing user equipment (FIG. 15a or FIG. 15b) and a network device (FIG. 16a or FIG. 16b), which may be a communication system or other systems.
  • a system including the foregoing user equipment (FIG. 15a or FIG. 15b) and a network device (FIG. 16a or FIG. 16b), which may be a communication system or other systems.
  • FIG. 17 is a schematic flowchart of a method for configuring a radio resource according to an embodiment of the present invention. As shown in the figure, a radio resource configuration method according to an embodiment of the present invention includes, but is not limited to, the following steps:
  • the user equipment receives a first radio resource configuration message sent by the network device.
  • the user equipment sends feedback information, where the feedback information is used to confirm that the first radio resource configuration message is successfully received.
  • the user equipment sends feedback information, including:
  • the user equipment applies a second radio resource configuration message to send feedback information, where the second radio resource configuration message is Received by the user equipment prior to receiving the first radio resource configuration message.
  • the user equipment After the user equipment completes sending the feedback information, the user equipment applies the first radio resource configuration message.
  • the first radio resource configuration message is repeatedly sent at least twice, and/or the feedback information is repeatedly sent at least twice.
  • the eNB in the LTE communication system, sends a radio resource configuration message in one subframe, and the UE sends feedback information in a subframe, and the feedback information is used to feedback whether the radio resource configuration message is successfully received.
  • MTC Machine Type Communication
  • the eNB may need to repeatedly send a radio resource configuration message to the UE because the UE is in a region with poor signal coverage.
  • the UE may also need to repeatedly send feedback information to the eNB.
  • the eNB repeatedly sends a P radio resource configuration message, where the radio resource configuration message is used to indicate the resource configuration when the UE transmits and receives data.
  • the UE repeatedly sends Q feedback information, where the feedback information is used to indicate whether the radio resource configuration message is successfully received.
  • the last transmission of the radio resource configuration message is in subframe N, and the initial transmission subframe of the feedback information is N+K.
  • K is a fixed value, such as 4.
  • the problem is that the time position at which the UE parses out and applies the radio resource configuration message is ambiguous. For example, suppose that the time taken by the UE to parse the radio resource configuration message is 20 subframes, that is, 20 ms, and the location where the UE starts to send feedback information is the fourth subframe after the last radio resource configuration message transmission location. The following is an example of the time position where the three possible UEs parse and apply the radio resource configuration message.
  • the radio resource configuration message is repeatedly transmitted 100 times, and the feedback information is repeatedly transmitted 80 times.
  • the possible location for the UE to parse out and apply the radio resource configuration message is in subframe 70.
  • the UE does not need to receive the radio resource configuration message of the complete 100 times of retransmission, and the UE may parse the content of the radio resource configuration message when receiving the radio resource configuration message that is repeatedly sent 50 times, because the parsing process requires 20
  • the number of repeated transmissions that contain feedback information is.
  • the UE transmits the feedback information using the number of repeated transmissions indicated in the received radio resource configuration message.
  • the radio resource configuration message is repeatedly transmitted 100 times, and the feedback information is repeatedly transmitted 80 times.
  • the possible location at which the UE parses out and applies the radio resource configuration message is in subframe 120.
  • the radio resource configuration message includes the number of repeated transmissions of the feedback information.
  • the UE changes the number of repetitions of transmitting the feedback information. Before the location of the first subframe 120, the number of times the UE sends the feedback information uses the previous configuration. After the location of the subframe 120, the number of times the UE sends the feedback information uses the configuration in the received radio resource configuration message.
  • the radio resource configuration message and the feedback information are repeatedly transmitted 10 times.
  • the possible location where the UE parses and applies the radio resource configuration message is in the subframe 30.
  • the UE needs to receive the complete 10 times of repeated transmission of the radio resource configuration message, so that the content in the radio resource configuration message can be parsed due to the solution.
  • Resource configuration message Since the subframe 30 is after the subframe position at which the last feedback information is transmitted, the UE uses the previous configuration when transmitting the feedback information. That is, the UE applies the radio resource configuration message after completing the repeated transmission of the feedback information.
  • the UE may apply a new radio resource configuration message at different locations, and on the eNB side, the eNB does not know when the UE uses the new configuration and when to use the old configuration. It is unclear whether the eNB uses the new configuration to perform data transmission and reception with the UE or the old configuration to perform data transmission and reception with the UE, thereby forming a configuration blur.
  • the embodiment of the present invention provides a solution for the UE to use the received radio resource configuration message to send and receive data after transmitting the completion feedback information.
  • the radio resource configuration message that is currently sent by the eNB to the UE is referred to as a first radio resource configuration message
  • the radio resource configuration message received by the UE before receiving the first radio resource configuration message is referred to as a second radio.
  • the resource configuration message that is, the eNB first sends the second radio resource configuration message, and then sends the first radio resource configuration message.
  • the UE first receives the second radio resource configuration message, and then receives the first radio resource configuration message.
  • the first resource configuration information may be repeatedly transmitted multiple times.
  • the eNB in the connected state sends a first radio resource configuration message to the UE, where the first radio resource configuration message is used to configure the radio resource used by the UE, for example, the bearer is set, and the number of repetitions of the downlink data received by the UE is configured. The number of repetitions of the uplink data sent by the UE, and the like.
  • the first radio resource configuration message is an RRC connection reconfiguration message (RRCConnectionReconfiguration), and the eNB may repeatedly send the first radio resource configuration message to the UE to change the radio resource configuration of the UE.
  • the UE always starts to apply the configuration of the first radio resource configuration message to send and receive data after the completion of the sending of the feedback information corresponding to the first radio resource configuration message, where the feedback information is used to confirm the first The radio resource configuration message has been successfully received.
  • the feedback information is sent by the UE in a configuration in an old radio resource configuration message (ie, the foregoing second radio resource configuration message).
  • the eNB receives the feedback information of the UE, it starts to use the new configuration (ie, the configuration in the first radio resource configuration message) to perform data transmission with the UE.
  • the first radio resource configuration message is repeatedly sent; or, the feedback information for the first radio resource configuration message is repeatedly sent; or the first radio resource configuration message and the first radio resource The feedback information of the configuration message is sent repeatedly.
  • the repeated transmission in the embodiment of the present invention may be repeated transmission at least twice.
  • the UE may send the uplink data repeatedly, or may not be repeatedly sent, and is not limited herein.
  • the sending of the feedback information is completed, including completing the repeated transmission of the feedback information, that is, after the last time the feedback information is sent, the first radio resource configuration message transmission and reception data is started to be applied.
  • the data transmission between the UE and the eNB may be repeatedly sent, or may not be repeatedly sent, which is not limited herein.
  • FIG. 19 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • the user equipment may include: a transceiver unit 701 and a processing unit 702, where:
  • the transceiver unit 701 is configured to perform a receiving action or a sending action performed by the user equipment described in the foregoing method in FIG. 17;
  • the processing unit 702 can be configured to perform the corresponding processing described in the method of FIG. 17 above on the information received by the transceiver unit 701.
  • the transceiver unit 701 can be implemented by using the transceiver 7001 in FIG. 19b, and the processing unit 702 can be implemented by using the processor 7002, or by using the processor 7002 and the memory 7003.
  • the transceiver unit 701 is configured to receive a first radio resource configuration message sent by the network device.
  • the transceiver unit 701 is further configured to send feedback information, where the feedback information is used to confirm that the first radio resource configuration message is successfully received;
  • the processing unit 702 is configured to: after the sending the feedback information, the user equipment applies the first radio resource configuration message;
  • the first radio resource configuration message is repeatedly sent at least twice, and/or the feedback information is repeatedly sent at least twice.
  • the user equipment may include: a transceiver 7001 and a processor 7002.
  • the processor 7002 is configured to control operations of the user equipment, including transmitting, by the transceiver 7001, a radio resource configuration message (including receiving and/or transmitting).
  • a memory 7003 may be further included, and the memory 7003 may include a read only memory and a random access memory for providing instructions and data to the processor 7002.
  • the memory 7003 can be integrated in the processor 7002 or can be independent of the processor 7002.
  • a portion of the memory 7003 may also include non-volatile line random access memory (NVRAM).
  • NVRAM non-volatile line random access memory
  • bus system 7009 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • bus system 7009 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 7009 in the figure.
  • the flow of the user equipment disclosed in the embodiment of FIG. 17 of the present application may be applied to the processor 7002 or implemented by the processor 7002.
  • the steps of the flow implemented by the user equipment may be completed by an integrated logic circuit of hardware in the processor 7002 or an instruction in a form of software.
  • the processor 7002 can be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or a transistor logic device, and a discrete hardware component, which can be implemented or executed in the embodiment of the present application.
  • a general purpose processor can be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 7003, and the processor 7002 reads the information in the memory 7003, and completes the steps of the user equipment indication process in FIG. 17 according to the embodiment of the present invention.
  • the user equipment may further include an input device, such as a keyboard, an output device, such as a display screen, and the like, and details are not described herein.
  • an input device such as a keyboard
  • an output device such as a display screen
  • the foregoing storage medium includes various media that can store program codes, such as a ROM or a random access memory RAM, a magnetic disk, or an optical disk.

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

Abstract

L'invention concerne un procédé d'accès à un dispositif, un équipement utilisateur et un dispositif de réseau. Le procédé d'accès à un dispositif peut comprendre les étapes suivantes : un équipement utilisateur reçoit un bloc d'informations envoyé par un dispositif de réseau, le bloc d'informations comprenant des informations de préférence de mode de communication du dispositif de réseau, les informations de préférence de mode de communication étant utilisées pour indiquer que le dispositif de réseau préfère un premier mode de communication utilisé par au moins un équipement utilisateur desservi par le dispositif de réseau lors de l'accès au dispositif de réseau, le premier mode de communication comprenant un mode de communication de type machine ou un mode de communication de l'Internet des objets à bande étroite ; l'équipement utilisateur acquiert un message système correspondant au premier mode de communication, et accède au dispositif de réseau à l'aide du message système correspondant au premier mode de communication. Les modes de réalisation de la présente invention peuvent être utilisés pour une commutation flexible entre le mode de communication de type machine et le mode de communication de l'Internet des objets à bande étroite, ce qui s'adapte aux changements de réseau.
PCT/CN2017/083235 2017-05-05 2017-05-05 Procédé d'accès à un dispositif, équipement utilisateur et dispositif de réseau WO2018201451A1 (fr)

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WO2011129098A1 (fr) * 2010-04-14 2011-10-20 パナソニック株式会社 Nœuds de communication et nœuds de réseau
CN104010278A (zh) * 2013-02-27 2014-08-27 中兴通讯股份有限公司 Td-scdma集群系统组呼建立方法及系统
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