WO2020125717A1 - Method, system, and device for synchronous terminal mobility management, and storage medium - Google Patents

Abstract

Disclosed are a method, system, and device for synchronous terminal mobility management, and a storage medium, relating to the technical field of terminals. The method comprises: an LTE terminal establishing a group, and adding into the group an eMTC terminal meeting a requirement of the group; upon detecting a need to perform a mobility handover, the LTE terminal sending, to a wireless-network base station, a mobility handover request comprising information of the eMTC terminal added into the group; and the LTE terminal and the eMTC terminal receiving a mobility handover instruction issued, according to the mobility handover request, by the wireless-network base station, and implementing a mobility handover according to the mobility handover instruction.

Description

Method, system, equipment and storage medium for terminal synchronous mobility management

cross reference

The present invention requires the priority of the Chinese patent application filed on December 19, 2018 in the Chinese Patent Office with the application number 201811552914.3 and the invention titled "A method, system, device and storage medium for terminal synchronous mobility management". The entire contents of the application are incorporated by reference in the present invention.

Technical field

The invention relates to the technical field of terminals, in particular to a method, system, device and storage medium for terminal synchronous mobility management.

Background technique

eMTC is an important branch of the Internet of Everything technology. It evolved based on the LTE protocol. In order to be more suitable for communication between objects and for lower costs, the LTE protocol has been tailored and optimized. It aims to meet the needs of IoT devices based on existing LTE carriers. eMTC is deployed based on a cellular network, and its user equipment can directly access the existing LTE network by supporting 1.4MHz radio frequency and baseband bandwidth. eMTC supports a peak rate of up to 1 Mbps in the upstream and downstream, and can support rich and innovative IoT applications.

Summary of the invention

The technical problem solved by the solution provided by the embodiment of the present invention is that when the terminal performs mobility handover, the resources of each terminal work independently, resulting in a waste of resources.

A method for terminal synchronous mobility management according to an embodiment of the present invention includes: an LTE terminal establishes a group, and adds an eMTC terminal that meets the requirements of the group to the group; when the LTE terminal detects When mobility handover is required, send a mobility handover request containing eMTC terminal information of joining the group to a wireless network base station; the LTE terminal and the eMTC terminal receive the wireless network base station according to the mobility handover Request a mobility switching instruction issued, and complete mobility switching according to the mobility switching instruction.

A system for terminal synchronous mobility management according to an embodiment of the present invention includes: an LTE terminal for establishing a group, and adding eMTC terminals that meet the requirements of the group to the group, and when monitored When mobility handover is required, send a mobility handover request containing eMTC terminal information of joining the group to the wireless network base station, and complete the mobility handover according to the mobility handover instruction issued by the wireless network base station; eMTC terminal , Used to join the group established by the LTE terminal, and complete mobility handover according to the mobility handover instruction issued by the wireless network base station; the wireless network base station is used to separately send to the LTE according to the mobility handover request The terminal and the eMTC terminal that has joined the group issue a mobility switching instruction.

According to an embodiment of the present invention, a terminal synchronization mobility management device is provided. The device includes: a processor, and a memory coupled to the processor; the memory stores a file that can run on the processor A terminal synchronization mobility management program, when the terminal synchronization mobility management program is executed by the processor, the steps of the terminal synchronization mobility management method according to an embodiment of the present invention are implemented.

According to a computer storage medium provided by an embodiment of the present invention, the storage medium stores a terminal synchronization mobility management program, which is implemented when the terminal synchronization mobility management program is executed by a processor. The steps of the method of terminal synchronization mobility management described above.

BRIEF DESCRIPTION

The drawings described herein are used to provide a further understanding of the present invention and form part of the present invention. The schematic embodiments of the present invention and their descriptions are used to understand the present invention and do not constitute an undue limitation of the present invention. In the drawings:

FIG. 1 is a flowchart of a method for terminal synchronous mobility management according to an embodiment of the present invention;

2 is a schematic diagram of a terminal synchronization mobility management system provided by an embodiment of the present invention;

3 is a system architecture diagram of terminal synchronous mobility management provided by an embodiment of the present invention;

4 is an overall flowchart of a terminal synchronization mobility management system provided by an embodiment of the present invention;

5 is a flowchart of group update of a first wireless system terminal and a second wireless system terminal provided by an embodiment of the present invention;

6 is a working flowchart of a second wireless standard terminal provided by an embodiment of the present invention;

7 is a flow chart of handover of a cell at a network base station side provided by an embodiment of the present invention;

8 is a flowchart of proximity detection of a wireless network base station according to an embodiment of the present invention.

detailed description

The following describes the preferred embodiments of the present invention in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments described below are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

FIG. 1 is a flowchart of a terminal synchronization mobility management method according to an embodiment of the present invention. As shown in FIG. 1, the method includes the following steps.

Step S101: an LTE terminal establishes a group, and adds eMTC terminals that meet the requirements of the group to the group;

Step S102: When monitoring the need for mobility handover, the LTE terminal sends a mobility handover request including eMTC terminal information of joining the group to the wireless network base station;

Step S103: The LTE terminal and the eMTC terminal receive a mobility handover instruction issued by the wireless network base station according to the mobility handover request, and complete mobility handover according to the mobility handover instruction.

Wherein the LTE terminal adding an eMTC terminal that meets the requirements of the group to the group includes: when the proximity detection module of the LTE terminal detects that the eMTC terminal is within a preset distance range, the eMTC terminal A group invitation request sent by the terminal; the LTE terminal receives a group join response including terminal location information and terminal unique identification information that the eMTC terminal responds to according to the group invitation request; the LTE terminal according to the group Group join response, add the eMTC terminal to the group, and save the terminal location information and terminal unique identification information of the eMTC terminal.

Wherein, the LTE terminal adding an eMTC terminal that meets the requirements of the group to the group includes: the LTE terminal receiving a group joining request sent by the eMTC terminal that includes terminal location information and terminal unique identification information; The LTE terminal determines whether the eMTC terminal is eligible for joining the group according to its own location information and the terminal location information in the group joining request; when it is determined that the eMTC terminal is eligible for joining the group, the The LTE terminal adds the eMTC terminal to the group, and saves the terminal location information and the terminal unique identification information of the eMTC terminal.

Wherein, the LTE terminal adding the eMTC terminal that meets the group requirements to the group includes: the LTE terminal receiving the eMTC terminal that meets the group requirements sent by the wireless network base station; the LTE terminal Receiving a group join response including terminal location information and terminal unique identification information that the eMTC terminal responds to according to the group invitation request through the group invitation request sent to the eMTC terminal; the LTE terminal according to the Group join response, add the eMTC terminal to the group, and save the terminal location information and terminal unique identification information of the eMTC terminal.

The embodiment of the present invention further includes: the LTE terminal periodically receives terminal location information sent by eMTC terminals that have joined the group, and determines whether the eMTC terminal meets the requirements according to its own location information and the terminal location information Group requirements; when it is determined that the eMTC terminal does not meet the group requirements, the LTE terminal deletes the eMTC terminal from the group.

FIG. 2 is a schematic diagram of a terminal synchronization mobility management system provided by an embodiment of the present invention. As shown in FIG. 2, it includes: an LTE terminal 201, an eMTC terminal 202, and a wireless network base station 203.

Wherein, the LTE terminal 201 is used to establish a group and add an eMTC terminal that meets the requirements of the group to the group, and when it is detected that mobility handover is required, it will include joining the group The mobile handover request of the eMTC terminal information is sent to the wireless network base station, and the mobile handover is completed according to the mobile handover instruction issued by the wireless network base station; the eMTC terminal 202 is used to join the group established by the LTE terminal Group, and complete mobility handover according to the mobility handover instruction issued by the wireless network base station; the wireless network base station 203 is configured to respectively send the LTE terminal and the joined to the LTE terminal according to the mobility handover request The eMTC terminals in the group issue mobility switching instructions.

The LTE terminal 201 is specifically configured to send a group invitation request to the eMTC terminal when it is detected that the eMTC terminal is within a preset distance, and receive the eMTC terminal according to the group invitation request The response includes a group joining response including terminal location information and terminal unique identification information, and according to the group joining response, the eMTC terminal is added to the group, and the terminal location information of the eMTC terminal and the Terminal unique identification information.

Wherein, the LTE terminal 201 is specifically configured to receive a group joining request sent by the eMTC terminal that includes terminal location information and terminal unique identification information, and according to its own location information and terminal location information in the group joining request, Judging whether the eMTC terminal is eligible for joining the group, and when judging that the eMTC terminal is eligible for joining the group, adding the eMTC terminal to the group, and saving the terminal location information of the eMTC terminal And terminal unique identification information.

According to an embodiment of the present invention, a terminal synchronization mobility management device is provided. The device includes: a processor, and a memory coupled to the processor; the memory stores a file that can run on the processor A terminal synchronization mobility management program, when the terminal synchronization mobility management program is executed by the processor, the steps of the terminal synchronization mobility management method according to an embodiment of the present invention are implemented.

According to a computer storage medium provided by an embodiment of the present invention, the storage medium stores a terminal synchronization mobility management program, which is implemented when the terminal synchronization mobility management program is executed by a processor. The steps of the method of terminal synchronization mobility management described above.

Embodiments of the present invention provide a method for synchronous mobility management of user terminals of two different wireless standards in a certain area group, including: (1) Second wireless standard frequency band (including but not limited to Emtc) It is a sub-band of the first wireless standard frequency band (including but not limited to LTE). The terminal of the first wireless standard passes the measurement with the terminal of the second wireless standard. When the measured distance is lower than a certain threshold, the The second wireless standard terminal is grouped into its own management group, and the unique identifier of the second wireless standard terminal is obtained. The first wireless terminal feeds back the group identification list to the network side, and the network side stores the group information. (2) When the first wireless standard network issues the mobility switching command, the second wireless standard terminals in the group are synchronously issued the mobility switching command to complete the synchronous switching. (3) A terminal group management and update method. The first wireless standard terminal and the second wireless standard terminal perform information interaction according to a certain period to update terminal group member information. The first wireless standard terminal monitors the second wireless standard terminal working independently in the vicinity according to a certain period, and finds that the group membership conditions are met, then invites to join the group; when the first wireless standard terminal is unavailable, the second wireless standard terminal can revert to independent Individuals, and obtain new first wireless standard terminal information from the network to help join the new group.

FIG. 3 is a system architecture diagram of terminal synchronous mobility management provided by an embodiment of the present invention. As shown in FIG. 3, it includes: a second wireless standard terminal, a first wireless standard terminal, and a wireless network base station.

The second wireless standard terminal includes a location area module, an information encoding module, and an information processing module; the first wireless standard terminal includes a position area module, an information encoding module, an information processing module and an information storage module, and a proximity detection module; the wireless network base station includes information processing Module and information storage module.

The second wireless standard terminal-side location area module includes but is not limited to GPS positioning to obtain its own location information, and the information encoding module includes encoding its own location information, terminal unique identification and other information according to certain rules and periodically sending it to the first wireless Standard terminal; the information processing module includes acquiring decoding analysis and comparison processing of the information sent by the second wireless standard terminal.

The location area module on the side of the first wireless system includes, but is not limited to, GPS positioning and other methods to obtain its own location information; the information processing module includes comparing information detected in the vicinity and sending to the terminal of the second wireless system Decode the information and analyze the comparison, update the group member information in the information storage module; encode and send the comparison result (whether it belongs to the same area) to the second wireless standard terminal through the information coding module; the proximity detection module is used to Detect if there is a second wireless standard terminal around.

The wireless network base station includes an information storage module and an information processing module; the information storage module is used to store the first wireless standard, the second wireless standard, and group terminal information; the information processing module is used to analyze and compare physical regions Relevant information to inform the corresponding terminal.

A proximity detection method includes, but is not limited to, monitoring the interaction information between the surrounding second wireless standard terminal and the wireless network base station, and the second wireless standard terminal information notified by the wireless network base station; a network side coordination group update method, including but Without limitation, the base station side of the wireless network notifies the first wireless standard terminal of the second wireless standard terminal that can join the group in the current network; the base station side of the wireless network informs the second wireless standard terminal of the first wireless standard terminal available in the current network.

FIG. 4 is an overall flowchart of a terminal synchronization mobility management system provided by an embodiment of the present invention. As shown in FIG. 4, the system includes the following steps.

Step 401, the first wireless system terminal UE1 performs network measurement to monitor whether cell handover is required; if yes, it proceeds to step 402, and if not, continues monitoring;

Step 402, the first wireless standard terminal UE1 reports the network measurement result to the network, and simultaneously uploads the information of the second wireless standard terminals UEi in the group to the network;

Step 403: The wireless network base station issues a handover instruction to the first wireless standard terminal UE1 according to the measurement result reported by the first wireless standard terminal UE1; and synchronously issues a cell switching command to the second wireless standard terminals UEi;

Step 404, the first wireless terminal UE1 completes the cell switching according to the network instruction; the second wireless terminal UEi completes the cell switching according to the network instruction;

Step 405: The first wireless system terminal UE1 and the second wireless system terminals UEi perform information interaction to update group information.

FIG. 5 is a flowchart of group update of a first wireless system terminal and a second wireless system terminal provided by an embodiment of the present invention. As shown in FIG. 5, it includes the following steps.

Step 501: The first wireless system terminal UE1 initializes the group according to the history record, that is, sends a group formation request to the second wireless system terminals UEi in the group list;

Step 502, the location area information fed back by a second wireless standard terminal UEi belongs to the group area of the first wireless standard terminal UE1, then update the second wireless standard terminal UEi to the group member list; add the list members in sequence, After completion, the timer t, t1 is started; when a certain second wireless standard terminal UEi does not feed back information, the second wireless standard terminal UEi in the group list is deleted;

Step 503, the timer t is equal to T, start proximity detection, detect whether there are terminals in the surrounding environment that belong to the same physical area and have the same motion trajectory, and if so, send a group invitation to complete the addition of new members.

In step 504, the members of the second wireless standard terminal UEi in the group of timer t1=T1 feed back their respective information (including but not limited to location area information, unique terminal identification, etc.) to the first wireless standard terminal UE1;

Step 505, the first wireless system terminal UE1 analyzes the information of the second wireless system terminal UEi through the information processing module, if it is still within the group range; then updates the second wireless system terminal UEi information; if it does not belong to the group range, deletes the The terminal information is fed back to the second wireless terminal UEi.

FIG. 6 is a working flowchart of a second wireless system terminal provided by an embodiment of the present invention. As shown in FIG. 6, it includes the following steps.

Step 601, the timer t1 is equal to T1, and the second wireless standard terminal UEi sends personal information (including but not limited to location area, unique identification, etc.) to the first wireless standard terminal UE1, and starts the timer t;

Step 602, timer t2=T2, whether it receives information feedback from the first wireless terminal UE1; if yes, go to step 603; if no, go to step 604;

Step 603, the second wireless standard terminal UEi analyzes whether the information sent by the first wireless standard terminal UE1 still belongs to the group; if it is, no cell signal measurement is performed; proceed to step 601; if not, proceed to step 604;

In step 604, the independent working mode performs cell monitoring by itself and starts proximity detection. The base station of the wireless network gives recommendations for the terminal UE1 with the first wireless standard according to certain rules; if yes, go to step 605; if no, go to step 604;

Step 605: Send a message to the terminal UE1 suggesting the first wireless system to request to join the group to enter the escrow mode; enter step 602.

FIG. 7 is a flow chart of cell handover on the base station side of a network according to an embodiment of the present invention. As shown in FIG. 7, it includes the following steps.

Step 701, the wireless network receives the network switching request of the first wireless terminal UE1, and determines whether there is group information. If yes, step 702 is entered; if not, the first wireless network terminal UE1 is instructed to complete the handover;

Step 702: Instruct the first wireless network system terminal UE1 to complete handover, and instruct the second wireless network system terminals UEi to perform network handover.

FIG. 8 is a flowchart of proximity detection of a wireless network base station according to an embodiment of the present invention. As shown in FIG. 8, it includes the following steps.

Step 801, whether the wireless network base station has received the proximity detection requirement, if yes, go to step 802;

Step 802, whether the proximity detection of the wireless network base station originates from the first wireless network standard terminal UE1, if yes, go to step 803; if not, go to step 804;

Step 803, the information processing module of the wireless network base station analyzes whether there is the second wireless network system terminal UEi of the group condition of the first wireless network system terminal UE1, and if so, feeds back relevant information to the first wireless network system terminal UE1;

Step 804, whether the proximity detection of the wireless network base station originates from the terminal UEi of the second wireless network standard, and if it is, go to step 805;

In step 805, the information processing module of the wireless network base station analyzes whether there is a second wireless network system terminal UEi in the group condition of the first wireless network system terminal UE1, and if so, feeds back relevant information to the second wireless network system terminal UEi.

With reference to the description of FIGS. 3-7, a specific implementation scenario and effect description are given below.

The second wireless standard frequency band (including but not limited to eMTC) is a sub-band of the first wireless standard frequency band (including but not limited to LTE).

Scenario 1 (group establishment): users carry LTE terminals and eMTC terminals such as eMTC watches and ride eMTC bicycles from location 1 to location 2. During the movement, eMTC watches and eMTC bicycles are physically related to LTE mobile phones, so Both eMTC watches and eMTC bicycles are grouped with LTE mobile phone components with LTE mobile phones as the main terminal. eMTC each stopped network measurement interaction and switched to regular interaction with LTE mobile phones.

Scenario 2 (Collaborative Scheduling Mobility Management): When the user rides to location 3, the LTE terminal detects that the signal of cell A becomes worse and the signal of cell B becomes better. It is necessary to switch from cell A to cell B, and then report its own information and synchronize Report the eMTC terminal information in the group. After the network base station receives the LTE collected information, the LTE mobile phone completes the handover, and at the same time issues a cell switching instruction to each eMTC terminal; after the eMTC terminal obtains the cell instruction, it completes the handover and sends the LTE terminal update information.

Scenario 3 (group update management): When the user needs to replace the eMTC bicycle while riding, bicycle A is stopped at a certain place and replaced with bicycle B. If the LTE terminal does not receive the interaction information transmitted by Bike A or the received interaction information does not belong to the same physical area through comparison within a certain period of time, Bike A's independent monitoring network is released. At the same time, through proximity detection, it is detected that Bike B belongs to the same physical area, and then an invitation to join the group is sent, and eMTC Bike B is added to the group to replace it for mobility management.

Scenario 4 (eMTC terminal group detection and joining): As eMTC bicycle A, after being left to a certain place by user A, if it does not receive LTE mobile terminal signaling or release instruction within a certain period of time, it will leave the group and become independent Interact with the network and manage mobility. When user B activates bicycle A, he can join a new group through proximity detection or network notification of user B's LTE mobile phone terminal, and the new LTE terminal replaces the network interaction.

According to the solution provided by the embodiment of the present invention, the network signaling interaction is reduced, the system capacity and the standby time of the second wireless standard network terminal (including but not limited to eMTC) are improved, and the mobility management accuracy of the second wireless standard frequency band terminal is increased .

An embodiment of the present invention provides a computer program product. The computer program product includes a computer program stored on a non-transitory computer-readable storage medium. The computer program includes program instructions. When the program instructions are executed by a computer To make the computer execute the method in any of the above method embodiments.

Although the present invention has been described in detail above, the present invention is not limited thereto, and those skilled in the art can make various modifications according to the principles of the present invention. Therefore, any modification made according to the principles of the present invention should be understood as falling within the protection scope of the present invention.

Claims (10)

A method for terminal synchronous mobility management, including: LTE terminals establish a group, and add eMTC terminals that meet the requirements of the group to the group; When monitoring the need for mobility handover, the LTE terminal sends a mobility handover request including eMTC terminal information of joining the group to the wireless network base station; The LTE terminal and the eMTC terminal receive a mobility handover instruction issued by the wireless network base station according to the mobility handover request, and complete mobility handover according to the mobility handover instruction. The method according to claim 1, wherein the LTE terminal adding an eMTC terminal that meets the requirements of the group to the group includes: When the proximity detection module of the LTE terminal detects that the eMTC terminal is within a preset distance, it sends a group invitation request to the eMTC terminal; Receiving, by the LTE terminal, a group join response including terminal location information and terminal unique identification information that the eMTC terminal responds to according to the group invitation request; The LTE terminal adds the eMTC terminal to the group according to the group join response, and stores terminal position information and terminal unique identification information of the eMTC terminal. The method according to claim 1, wherein the LTE terminal adding an eMTC terminal that meets the requirements of the group to the group includes: Receiving, by the LTE terminal, a group joining request sent by the eMTC terminal and including terminal location information and terminal unique identification information; The LTE terminal determines whether the eMTC terminal is eligible for joining the group according to its location information and terminal location information in the group join request; When it is judged that the eMTC terminal is eligible for joining the group, the LTE terminal adds the eMTC terminal to the group, and saves terminal location information and terminal unique identification information of the eMTC terminal. The method according to claim 1, wherein the LTE terminal adding an eMTC terminal that meets the requirements of the group to the group includes: The LTE terminal receives an eMTC terminal that meets the group requirements and is sent by the wireless network base station; Receiving, by the LTE terminal, a group invitation request sent to the eMTC terminal, a group join response including terminal location information and terminal unique identification information that the eMTC terminal responds to according to the group invitation request; The LTE terminal adds the eMTC terminal to the group according to the group join response, and stores terminal position information and terminal unique identification information of the eMTC terminal. The method according to any one of claims 1-4, further comprising: The LTE terminal periodically receives terminal location information sent by eMTC terminals that have joined the group, and determines whether the eMTC terminal meets the group requirements according to its own location information and the terminal location information; When it is determined that the eMTC terminal does not meet the group requirements, the LTE terminal deletes the eMTC terminal from the group. A terminal synchronous mobility management system, including: LTE terminal, used to establish a group, and add eMTC terminals that meet the requirements of the group to the group, and when it is detected that mobility handover is required, will include the information of the eMTC terminal that joined the group The mobility switching request is sent to the wireless network base station, and the mobility switching is completed according to the mobility switching instruction issued by the wireless network base station; eMTC terminal, used to join the group established by the LTE terminal, and complete mobility handover according to the mobility handover instruction issued by the wireless network base station; The wireless network base station is configured to issue a mobility switching instruction to the LTE terminal and the eMTC terminal that has joined the group according to the mobility switching request, respectively. The system according to claim 6, wherein the LTE terminal is configured to send a group invitation request to the eMTC terminal and receive the eMTC terminal when it is detected that the eMTC terminal is within a preset distance range A group join response including terminal location information and terminal unique identification information responded according to the group invitation request, and according to the group join response, add the eMTC terminal to the group and save the Terminal location information and unique identification information of the eMTC terminal. The system according to claim 6, wherein the LTE terminal is configured to receive a group joining request including terminal location information and terminal unique identification information sent by the eMTC terminal, and join according to its own location information and the group The terminal location information in the request determines whether the eMTC terminal is eligible for joining the group, and when the eMTC terminal is eligible for joining the group, adds the eMTC terminal to the group and saves the location Describe the terminal location information and unique identification information of the eMTC terminal. A device for terminal synchronous mobility management, wherein the device includes: a processor, and a memory coupled to the processor; the memory stores terminal synchronous mobility that can run on the processor A managed program, when the terminal synchronization mobility management program is executed by the processor, the steps of the terminal synchronization mobility management method according to any one of claims 1 to 5 are implemented. A computer storage medium, wherein the storage medium stores a terminal synchronization mobility management program, and the terminal synchronization mobility management program is implemented by a processor according to any one of claims 1 to 5. Steps of the method of terminal synchronization mobility management.

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