CN102487535B - Support cell switching control method and the equipment of multi-communication standard wireless communication terminal - Google Patents
Support cell switching control method and the equipment of multi-communication standard wireless communication terminal Download PDFInfo
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Abstract
The invention discloses a kind of cell switching control method and the equipment of supporting multi-communication standard wireless communication terminal, relate to wireless communication technology field, terminal use can be made to keep balance to the demand of business and Virtual network operator between the demand of management, improve the efficiency of network management and Resource Allocation in Networks, improve the overall performance of system.What the embodiment of the present invention provided a kind ofly supports that the cell switching control method of multi-communication standard wireless communication terminal comprises: described wireless communication terminal, when needing to carry out the switching between different system cell, sends class handover request message to the network management device in current area; Described network management device issues class switching response message according to described class handover request message to described wireless communication terminal, and described class switching response message comprises switching control information; Described wireless communication terminal determines whether to carry out current class switching flow according to described switching control information.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a cell switching control method and device for a wireless communication terminal supporting multiple communication systems.
Background
With the development of data communication and multimedia service requirements, fourth generation mobile communication (4rd-generation, 4G) adapted to mobile data, mobile computing and mobile multimedia operation needs has started to emerge, and its incomparably superior performance brings better service to users.
However, the network architecture and hardware facilities of the conventional 2G and 3G systems are very mature, and the 4G system can only provide discontinuous hot spot coverage on the basis of the 2G and 3G full network coverage in the early stage of networking. Therefore, some wireless communication terminals capable of supporting multiple communication systems, such as dual-mode dual-standby mobile phones, dual-mode single-standby mobile phones, etc., have come to work.
A wireless communication terminal first needs to select a serving cell as an object to which data transmission is to be performed before data transmission of a certain service is performed. After the wireless communication terminal selects a cell, when a certain service needs data transmission at any time, the wireless communication terminal transmits the data with the selected cell. When a wireless communication terminal moves from one cell (a source cell) to which the wireless communication terminal belongs to another cell (a target cell), in order to keep data transmission uninterrupted, cell switching needs to be performed in the data transmission process, and when the communication systems of the service cells of the terminal are different before and after cell switching, the switching is inter-system switching. In the traditional inter-system handover process, the network side judges the inter-system handover condition and issues a handover command, and the wireless communication terminal performs inter-system cell handover according to the received command.
However, many wireless communication terminals supporting multiple communication systems do not have the conventional inter-system handover capability, and cannot perform handover between inter-system cells according to a received command from a network side, and for such a problem, in order to complete inter-system handover, a solution proposed in the prior art is: under the scene that the different systems need to be switched, an application processor in the wireless communication terminal which is responsible for processing the service information judges, the communication system corresponding to the source cell is deactivated, and the service connection is disconnected with the source cell; and simultaneously, activating the communication system corresponding to the target cell and reestablishing service connection with the target cell. This type of handover may be referred to as a "class handover".
For example, in the existing solution, for a wireless communication terminal without the traditional inter-system handover capability, the wireless communication terminal performs handover between inter-system cells by itself, and grants an excessive degree of freedom to a terminal user, which brings the disadvantage of uncontrollable terminal user behavior, resulting in excessive difficulty in network management and network resource allocation by a network operator, and affects the overall performance of the system.
Disclosure of Invention
The embodiment of the invention provides a cell switching control method and device for a wireless communication terminal supporting multiple communication modes, which can keep balance between the requirements of a terminal user on service and the requirements of a network operator on management, improve the efficiency of network management and network resource allocation and improve the overall performance of a system.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a cell switching control method for a wireless communication terminal supporting multiple communication systems, which comprises the following steps:
the wireless communication terminal sends a class switching request message to network management equipment in the current cell when the switching between different system cells is needed;
the network management equipment sends a class switching response message to the wireless communication terminal according to the class switching request message, wherein the class switching response message comprises switching control information;
and the wireless communication terminal determines whether to carry out the current class switching process according to the switching control information.
The embodiment of the invention also provides a wireless communication terminal supporting multiple communication systems, wherein the wireless communication terminal comprises at least two wireless communication modules, the communication systems supported by the wireless communication modules are different, and the terminal comprises:
a class switching request unit, configured to send a class switching request message to a network management device in a current cell when the wireless communication terminal needs to perform inter-cell switching between different system cells;
a receiving unit, configured to receive a class switching response message issued by the network management device according to the class switching request message, where the class switching response message includes switching control information;
and the class switching determining unit is used for determining whether to perform the current class switching process according to the switching control information.
An embodiment of the present invention further provides a network management device, including:
the receiving unit is used for receiving a class switching request message which is required to be switched between different systems and supports the wireless communication terminal with multiple communication systems to send;
a sending unit, configured to send a class switching response message to the wireless communication terminal according to the class switching request message received by the receiving unit, where the class switching response message includes switching control information, the switching control information indicates a response type to a current switching procedure, and the response type at least includes a first response type, a second response type, and a third response type; allowing the wireless communication terminal to be switched to a target communication system under the first response type; under the second response type, the wireless communication terminal is prohibited from being switched to a target communication system; and in the third response type, only allowing the wireless communication terminal to use the predetermined service in the target communication mode, or only allowing the wireless communication terminal to use the service in a predetermined time period after switching to the target communication mode.
As can be seen from the above, according to the technical solution of the embodiment of the present invention, when a wireless communication terminal without the conventional inter-system handover capability needs to perform inter-system handover, first, through information interaction between the wireless communication terminal and a network management device, the wireless communication terminal and the network management device perform sufficient negotiation, and perform subsequent operations according to a negotiation result, thereby solving a problem in the prior art caused by the wireless communication terminal without the inter-system handover capability performing inter-system handover by itself, enabling a balance between a service requirement of a terminal user and a management requirement of a network operator to be maintained, improving network management and network resource allocation efficiency, and improving overall performance of the system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a cell switching control method for a wireless communication terminal supporting multiple communication systems according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a cell switching control method for a wireless communication terminal supporting multiple communication systems according to a second embodiment of the present invention;
fig. 3(a) is a schematic structural diagram of a type handover request message according to a second embodiment of the present invention;
fig. 3(b) is a schematic structural diagram of another type of handover request message according to a second embodiment of the present invention;
fig. 4 is a schematic structural diagram of a wireless communication terminal supporting multiple communication systems according to a third embodiment of the present invention;
fig. 5 is a schematic structural diagram of a network management device according to a fourth embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a cell switching control method for a wireless communication terminal supporting multiple communication systems, and referring to fig. 1, the method includes:
11: when needing to switch between different system cells, the wireless communication terminal sends a similar switching request message to network management equipment in the current cell;
12: the network management equipment sends a class switching response message to the wireless communication terminal according to the class switching request message, wherein the class switching response message comprises switching control information;
13: and the wireless communication terminal determines whether to carry out the current class switching process according to the switching control information.
The wireless communication terminal can support various communication systems, but does not have the traditional inter-system switching capability.
Further, the class switching request message includes message type information and target cell information to be selected; when the wireless communication terminal supports more than three communication modes, the type switching request message also comprises mode priority information, and the mode priority information indicates the communication mode which is switched by the wireless communication terminal in priority.
As can be seen from the above description, according to the technical solution of the embodiment of the present invention, when a wireless communication terminal without the conventional inter-system handover capability needs to perform inter-system handover, first, through information interaction between the wireless communication terminal and a network management device, the wireless communication terminal and the network management device perform sufficient negotiation, and perform subsequent operations according to a negotiation result, thereby solving a problem in the prior art caused by the wireless communication terminal without the inter-system handover capability performing inter-system handover by itself, enabling a balance between a requirement of a terminal user for a service and a requirement of a network operator for management to be maintained, improving efficiency of network management and network resource allocation, and improving overall performance of the system.
The wireless communication terminal in the embodiment of the invention is a terminal supporting at least two communication modes, namely the wireless communication terminal has the capability of supporting multiple communication modes. For example, the wireless communication terminal has a plurality of wireless communication modules, and communication systems supported by the wireless communication modules are different, wherein each wireless communication module can provide a data transmission function by transceiving a wireless signal, and the communication system supported by each wireless communication module may be, but is not limited to, the following: a communication System used in a cellular mobile communication System such as Global System for mobile Communications (GSM), Code Division Multiple Access (CDMA), and Long Term Evolution (LTE), and a communication System used in a Wireless local area network such as Wireless Fidelity (Wi-Fi).
For the convenience of clearly describing the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, the words "first", "second", and the like are used to distinguish the same items or similar items with basically the same functions and actions, and those skilled in the art can understand that the words "first", "second", and the like do not limit the quantity and execution order.
The following describes a cell switching control method for a wireless communication terminal supporting multiple communication systems according to a second embodiment of the present invention, with reference to fig. 2, which includes the following steps:
11: the method comprises the steps that a wireless communication terminal determines that different systems need to be switched, the wireless communication terminal supports at least two communication systems, and the wireless communication terminal does not have the traditional different systems switching capacity.
When the wireless communication terminal is about to leave the current cell and enter another cell, the signal of the current cell received by the wireless communication terminal is inevitably weaker and stronger, and the signal of the entering cell received by the wireless communication terminal is also stronger and stronger, and when the wireless communication terminal detects that the communication systems of the current cell and the entering cell are different, the need of switching between different systems is determined. For example, when a wireless communication terminal under an LTE communication system finds that a detected Reference Signal Receiving Power (RSRP) is smaller and smaller, or the wireless communication terminal finds that a detected Cyclic Redundancy Check (CRC) bad code rate is higher and higher, it indicates that a Signal of a current cell serving the wireless communication terminal is weaker and weaker, and if it is required to maintain normal transmission of data, cell switching needs to occur, and when the wireless communication terminal detects that a communication system of an accessible target cell is different from an LTE communication system, such as a CDMA communication system, the wireless communication terminal determines that class switching between cells of different systems is required. In the embodiment of the present invention, in order to distinguish from the conventional inter-system handover procedure, a scenario in which a wireless communication terminal without the conventional inter-system handover capability performs inter-system handover is referred to as class handover, but the name is not specifically limited, and it is understood that the scenario may also be directly referred to as handover.
Here, the current cell refers to a cell currently serving the wireless communication terminal, or referred to as a source cell, and the entering cell refers to a target cell to which the wireless communication terminal is to be handed over. These cells include, but are not limited to, cells covered by base stations in cellular networks such as GSM, CDMA, LTE, etc., and cells covered by wireless access points in wireless local area networks such as Wi-Fi.
12: the wireless communication terminal sends a class switching request message to the network management equipment in the current cell.
Before executing the class handover, the wireless communication terminal sends a class handover request message to a network management device (such as a base station or a wireless access point) of the current cell, where a specific name and an implementation manner of the message are not limited, for example, the class handover request message may be implemented by using an original message in the system, or a message may be added in the system as the class handover request message. The wireless communication terminal informs the network management equipment of the need of inter-system switching by using the switching request message, thereby ensuring that a network operator can acquire the behavior of a terminal user and perform corresponding operation and management in the subsequent process.
The type switching request message may include message type information and information of a communication system to be selected, where the message type information indicates that the message is a request message for requesting the wireless communication terminal to perform inter-system switching, and the information of the communication system to be selected indicates a communication system to which the wireless communication terminal requests switching, and optionally, the type switching request message may further include information of a target cell to be selected (information related to the target cell to be selected), such as a cell Identifier (ID) and signal strength of each target cell to be selected, for example, see fig. 3(a), and the type switching request message includes information type information, information of the communication system to be selected, information of the target cell to be selected, and other information required in message transmission.
Further, referring to fig. 3(b), when the wireless communication terminal supports more than three communication systems, the class switching request message further includes system priority information, where the system priority information is used to indicate a communication system that the wireless communication terminal switches preferentially. Specifically, the system priority information is a target cell system priority list, and the target cell system priority list is generated by the wireless communication terminal according to one or more of the signal quality of each neighboring cell of the current cell, communication system information customized by the user, and the capability of the wireless communication terminal (such as a communication system supported by the wireless communication terminal). The target cell system priority list may be generated in advance and stored in the wireless communication terminal, or may be dynamically generated each time inter-system handover occurs, for example, the first neighboring cell and the second neighboring cell of the current cell respectively adopt different communication systems, if the signal quality of the first neighboring cell is better than that of the second neighboring cell, the priority of the communication system of the first neighboring cell is higher than that of the second neighboring cell, or, when the wireless communication terminal supports the first communication system but does not support the second communication system, the in-system priority list may only include the first communication system. Or, the terminal user may also set a higher priority for the communication system that is preferentially selected according to the service requirement of the terminal user, for example, when the communication system information customized by the user indicates that the first communication system is preferentially adopted, the higher priority is set for the first communication system.
Referring to table 1, an example of a target cell system priority list generated when the wireless communication terminal supports three communication systems, i.e., LTE, WCDMA, and GPRS, is shown.
TABLE 1
| Priority level | Highest level | Second highest level | Lowest level of |
| Communication system | LTE | WCDMA | GPRS |
Through the system priority information, the requirements of the terminal user can be reflected to the network management equipment, the terminal user is ensured to enjoy corresponding services, and related information during switching between different systems is provided for the network management equipment in time, so that the management of switching operation and the normal operation of subsequent switching between different systems by the network management equipment are facilitated.
13: and the network management equipment sends a class switching response message to the wireless communication terminal according to the class switching request message, wherein the class switching response message comprises switching control information.
The class switching response message is a feedback message of the network management device to the class switching request message, and the network management device can indicate that the wireless communication terminal is allowed to access the target communication system or the target cell or refuse to access the target communication system or the target cell through the switching control information in the class switching response message.
Further, the embodiment of the present invention further includes step 13 a: the network management equipment issues a class switching response message to the wireless communication terminal according to the class switching request message and a preset management strategy, wherein the management strategy comprises at least one or the combination of the following:
the communication system which is switched by the wireless communication terminal in priority, the congestion degree of the target cell and the service type customized by the user.
The network management equipment makes a decision according to the management strategy based on the class switching request message to generate a class switching response message, and the switching control information in the class switching response message indicates a specific operation mode of the current switching process, illustratively, when the first communication mode is a communication mode which is preferentially switched by the wireless communication terminal, the switching control indication information indicates that the wireless communication terminal is switched to the first communication mode; or, when the congestion degree of the first target cell is smaller, the switching control indication information indicates that the wireless communication terminal is switched to the first target cell; or, when the service type customized by the user is only suitable for the first communication system, the switching control indication information indicates that the wireless communication terminal is switched to the first communication system. Wherein, the handover control information may include the following contents:
(1) message type information, the message type information indicates that the message is class switching response information for feeding back the class switching request information;
(2) response type information, wherein the response type information indicates a response type of the current switching process, and the response type at least comprises one of a first response type, a second response type and a third response type in a one-time type switching process;
allowing the wireless communication terminal to be switched to a target communication system under the first response type;
under the second response type, the wireless communication terminal is prohibited from being switched to a target communication system;
and under the third response type, only allowing the wireless communication terminal to use the predetermined service after switching to the target communication system, or only allowing the wireless communication terminal to use the service within a predetermined time period after switching to the target communication system. For example, only the mobile phone is allowed to use the short message service after being switched to the target communication system, but the call service cannot be used; or, the mobile phone is only allowed to use the service within 1 hour after being switched to the target communication system, and the service is not provided for the mobile phone user after 1 hour.
When the response type indicated by the handover control information is the first response type or the third response type, the class handover response message further includes information of a target cell which is allowed to be accessed, so as to facilitate subsequent handover operation, and when the response type indicated by the handover control information is the second response type, the class handover response message does not need to carry the information of the target cell again due to the termination of the current handover process. The information of the target cells which are allowed to be accessed mainly comprises the type of the communication system of the target cells which are allowed to be accessed and other related information of the target cells which are allowed to be accessed.
(3) And types of communication systems of the target cells which are allowed to be accessed.
When the wireless communication terminal reports a plurality of communication systems to be selected to the network management device through the class switching request message, the network management device needs to assign a communication system, such as CDMA, which is allowed to be accessed to the wireless communication terminal.
(4) Other relevant information of the target cells that agree to access.
The information is selectable, and mainly comprises cell pilot frequency, cell ID and the like of a target cell which agrees to access under a corresponding communication system, and the information is issued to the wireless communication terminal through a class switching response message, so that the wireless communication terminal can carry out switching, the switching speed is accelerated, and the continuity and stability of the service are ensured.
Or, other related information of the target cell agreeing to access may not be set in the handover control information, so as to save system resources, and the wireless communication terminal directly selects any cell in the communication system agreeing to access as the target cell.
Through the three response types, the network management equipment realizes the management and control of the switching of different systems of the wireless communication terminal, ensures the management capability of a network operator on the terminal, can more reasonably evaluate the idle resources of the system, more effectively distributes the available network resources and improves the overall performance of the system.
14: and the wireless communication terminal determines whether to carry out the current class switching process according to the switching control information.
And the wireless communication terminal performs corresponding operation on the current switching process according to the switching control information. When the switching control information indicates that the current class switching process is allowed, the wireless communication terminal continues the current class switching operation or continues the current class switching operation but keeps partial functions; when the switching control information indicates that the current class switching process is forbidden, the wireless communication terminal terminates the current class switching operation and resides in the current cell. The specific treatment is as follows:
the wireless communication terminal performs corresponding operation on the current switching process according to the negotiation result of the wireless communication terminal and the network management device for the switching of the different systems, and at least comprises the following three modes:
the first mode is as follows: the wireless communication terminal finishes the current switching process according to the switching control information and resides in the current cell;
the second mode is as follows: the wireless communication terminal finishes the current switching process according to the switching control information, and the wireless communication terminal resides in the target cell which is switched to the corresponding communication system according to the current switching process which is continued by the wireless communication terminal according to the switching control information;
the third mode is as follows: the wireless communication terminal ends the current switching process according to the switching control information, the wireless communication terminal continues the current switching process according to the switching control information, the wireless communication terminal is switched to a target cell under a corresponding communication system, and only the preset service is used in the target cell or only the service is used in the preset time period.
As can be seen from the above description, according to the technical solution of the embodiment of the present invention, when a wireless communication terminal without the conventional inter-system handover capability needs to perform inter-system handover, first, through information interaction between the wireless communication terminal and a network management device, the wireless communication terminal and the network management device perform sufficient negotiation, and perform subsequent operations according to a negotiation result, thereby solving a problem in the prior art caused by the wireless communication terminal without the inter-system handover capability performing inter-system handover by itself, enabling a balance between a requirement of a terminal user for a service and a requirement of a network operator for management to be maintained, improving efficiency of network management and network resource allocation, and improving overall performance of the system.
An embodiment of the present invention provides a wireless communication terminal supporting multiple communication systems, where the wireless communication terminal includes at least two wireless communication modules, and communication systems supported by the wireless communication modules are different, and referring to fig. 4, the terminal includes:
a class switching request unit 41, configured to send a class switching request message to a network management device in a current cell when the wireless communication terminal needs to perform inter-cell switching between different system cells;
a receiving unit 42, configured to receive a class switching response message issued by the network management device according to the class switching request message, where the class switching response message includes switching control information;
a class switching determining unit 43, configured to determine whether to perform a current class switching process according to the switching control information.
Further, the class switching request message sent by the class switching request unit 41 includes message type information, information of a communication system to be selected, and information of a target cell to be selected; when the wireless communication terminal supports more than three communication modes, the type switching request message also comprises mode priority information, and the mode priority information indicates the communication mode which is switched by the wireless communication terminal in priority. The communication system includes, but is not limited to, a communication system used by a cellular mobile communication system such as GSM, CDMA, LTE, etc., and a communication system used in a wireless local area network such as Wi-Fi.
Through the system priority information, the requirements of the terminal user can be reflected to the network management equipment, the terminal user is ensured to enjoy corresponding services, and related information during switching between different systems is provided for the network management equipment in time, so that the management of switching operation and the normal operation of subsequent switching between different systems by the network management equipment are facilitated.
Further, the wireless communication terminal further includes a class switching control unit, specifically configured to end the current switching process and reside in the current cell when the class switching determination unit determines that the current class switching process is no longer performed; or, when the class switching determining unit determines to perform the current class switching process, continuing the current switching process and switching to the target cell in the corresponding communication system; or, when the class switching determining unit determines to perform the current class switching process, the current switching process is continued, and the target cell under the corresponding communication system is switched to, and only the predetermined service is used in the target cell or only the service is used in the predetermined time period.
The specific working modes of each unit and functional module in the wireless communication terminal provided by the third embodiment of the present invention can refer to the related contents in the first embodiment and the second embodiment of the method of the present invention.
As can be seen from the above description, according to the technical solution of the embodiment of the present invention, when a wireless communication terminal without the conventional inter-system handover capability needs to perform inter-system handover, first, through information interaction between the wireless communication terminal and a network management device, the wireless communication terminal and the network management device perform sufficient negotiation, and perform subsequent operations according to a negotiation result, thereby solving a problem in the prior art caused by the wireless communication terminal without the inter-system handover capability performing inter-system handover by itself, enabling a balance between a requirement of a terminal user for a service and a requirement of a network operator for management to be maintained, improving efficiency of network management and network resource allocation, and improving overall performance of the system.
An embodiment of the present invention provides a network management device, and referring to fig. 5, the device includes:
a receiving unit 51, configured to receive a class switching request message sent by a wireless communication terminal that needs to perform inter-system switching;
a sending unit 52, configured to send a class switching response message to the wireless communication terminal according to the class switching request message received by the receiving unit 51, where the class switching response message includes switching control information, the switching control information indicates a response type to a current switching procedure, and the response type at least includes a first response type, a second response type, and a third response type; allowing the wireless communication terminal to be switched to a target communication system under the first response type; under the second response type, the wireless communication terminal is prohibited from being switched to a target communication system; and in the third response type, only allowing the wireless communication terminal to use the predetermined service in the target communication mode, or only allowing the wireless communication terminal to use the service in a predetermined time period after switching to the target communication mode.
Through the three response types, the network management equipment realizes the management and control of the switching of different systems of the wireless communication terminal, ensures the management capability of a network operator on the terminal, can more reasonably evaluate the idle resources of the system, more effectively distributes the available network resources and improves the overall performance of the system.
Further, the apparatus further comprises: a management policy making unit 53 for making and storing at least one of the following policies or a combination thereof: communication system of wireless communication terminal priority switch, congestion degree of target cell and service type customized by user
The issuing unit 52 is specifically configured to issue a class switching response message to the wireless communication terminal according to the class switching request message and the management policy in the management policy making unit.
Further, when the response type indicated by the handover control information is the first response type or the third response type, the handover response message further includes information of the target cell that is granted to access, so as to perform subsequent handover operation, and when the response type indicated by the handover control information is the second response type, the handover procedure of this time is terminated, and the information of the target cell does not need to be carried in the handover response message. The information of the target cells which are allowed to be accessed mainly comprises the type of the communication system of the target cells which are allowed to be accessed and other related information of the target cells which are allowed to be accessed.
The specific working modes of each unit and functional module in the network management device provided by the fourth embodiment of the present invention may refer to the related contents in the first embodiment and the second embodiment of the method of the present invention.
As can be seen from the above description, according to the technical solution of the embodiment of the present invention, when a wireless communication terminal without inter-system handover capability needs to perform inter-system handover, first, through information interaction between the wireless communication terminal and a network management device, the wireless communication terminal and the network management device perform sufficient negotiation, and perform subsequent operations according to a negotiation result, thereby solving a problem in the prior art caused by the wireless communication terminal without inter-system handover capability performing inter-system handover by itself, enabling a balance between a requirement of a terminal user for a service and a requirement of a network operator for management to be maintained, improving efficiency of network management and network resource allocation, and improving overall performance of a system.
Those skilled in the art will readily appreciate that the present invention may be implemented in software, coupled with a general purpose hardware platform as required. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A cell switching control method for a wireless communication terminal supporting multiple communication systems is characterized by comprising the following steps:
the wireless communication terminal sends a class switching request message to network management equipment in the current cell when the switching between different system cells is needed;
the network management equipment sends a class switching response message to the wireless communication terminal according to the class switching request message, wherein the class switching response message comprises switching control information;
the wireless communication terminal determines whether to carry out the current class switching process according to the switching control information;
the switching control information indicates a response type to the current switching process, and the response type at least comprises one of a first response type, a second response type and a third response type;
allowing the wireless communication terminal to be switched to a target communication system under the first response type;
under the second response type, the wireless communication terminal is prohibited from being switched to a target communication system;
in the third response type, only allowing the wireless communication terminal to use the predetermined service after being switched to the target communication system, or only allowing the wireless communication terminal to use the service within a predetermined time period after being switched to the target communication system;
the class switching request message comprises message type information, communication system information to be selected and target cell information to be selected; the message type information indicates that the message is a request message for requesting the wireless communication terminal to perform inter-system switching, and the information of the communication system to be selected indicates the communication system to which the wireless communication terminal requests switching;
when the wireless communication terminal supports more than three communication modes, the type switching request message also comprises mode priority information, and the mode priority information is used for indicating the communication mode which is switched by the wireless communication terminal in priority;
the network management device issuing a class switching response message to the wireless communication terminal according to the class switching request message includes:
when the response type indicated by the handover control information is the first response type or the third response type, the class handover response message further includes information of a target cell which agrees to access.
2. The method of claim 1,
the system priority information is a target cell system priority list, and the target cell system priority list is generated by the wireless communication terminal according to the signal quality of each adjacent cell of the current cell, communication system information customized by a user and/or a communication system supported by the wireless communication terminal.
3. The method of claim 1, wherein the network management device issuing a class handover response message to the wireless communication terminal according to the class handover request message comprises:
the network management equipment issues a class switching response message to the wireless communication terminal according to the class switching request message and a preset management strategy, wherein the management strategy comprises at least one or the combination of the following:
the communication system which is switched by the wireless communication terminal in priority, the congestion degree of the target cell and the service type customized by the user.
4. The method of claim 1, wherein after the wireless communication terminal determines whether to perform the current class handover procedure according to the handover control information, the method further comprises:
when the wireless communication terminal determines that the current class switching process is not carried out any more according to the switching control information, the wireless communication terminal finishes the current class switching process and resides in the current cell; or,
when the wireless communication terminal determines to perform the current class switching process according to the switching control information, the wireless communication terminal continues the current class switching process and switches to the target cell under the corresponding communication system; or,
when the wireless communication terminal determines to perform the current class switching process according to the switching control information, the wireless communication terminal continues the current class switching process and switches to a target cell under a corresponding communication system, and only uses the preset service or only uses the service within a preset time period in the target cell.
5. The utility model provides a support many communication system wireless communication terminal, wireless communication terminal includes two at least wireless communication modules, the communication system that each wireless communication module supported is different, its characterized in that, the terminal includes:
a class switching request unit, configured to send a class switching request message to a network management device in a current cell when the wireless communication terminal needs to perform inter-cell switching between different system cells;
a receiving unit, configured to receive a class switching response message issued by the network management device according to the class switching request message, where the class switching response message includes switching control information; the switching control information indicates a response type to the current switching process, and the response type at least comprises a first response type, a second response type and a third response type; allowing the wireless communication terminal to be switched to a target communication system under the first response type; under the second response type, the wireless communication terminal is prohibited from being switched to a target communication system; in the third response type, only allowing the wireless communication terminal to use the predetermined service in the target communication system, or only allowing the wireless communication terminal to use the service in a predetermined time period after switching to the target communication system; when the response type indicated by the handover control information is the first response type or the third response type, the class handover response message further includes information of a target cell which agrees to access; a class switching determining unit, configured to determine whether to perform a current class switching process according to the switching control information;
wherein the wireless communication terminal further comprises a class switching control unit,
the class switching control unit is specifically configured to, when the class switching determination unit determines that the current class switching process is no longer performed, end the current switching process and reside in the current cell; or,
when the class switching determining unit determines to perform the current class switching process, continuing the current switching process and switching to a target cell under the corresponding communication system; or,
when the class switching determining unit determines to perform the current class switching process, the current switching process is continued, the target cell under the corresponding communication system is switched to, and only the preset service is used in the target cell or only the service is used in the preset time period;
the class switching request message sent by the class switching request unit comprises message type information, communication system information to be selected and target cell information to be selected; the message type information indicates that the message is a request message for requesting the wireless communication terminal to perform inter-system switching, and the information of the communication system to be selected indicates the communication system to which the wireless communication terminal requests switching;
when the wireless communication terminal supports more than three communication modes, the type switching request message also comprises mode priority information, and the mode priority information is used for indicating the communication mode which is switched by the wireless communication terminal in priority.
6. A network management device, the device comprising:
the receiving unit is used for receiving a class switching request message which is required to be switched between different systems and supports the wireless communication terminal with multiple communication systems to send; the class switching request message comprises message type information, communication system information to be selected and target cell information to be selected; the message type information indicates that the message is a request message for requesting the wireless communication terminal to perform inter-system switching, and the information of the communication system to be selected indicates the communication system to which the wireless communication terminal requests switching;
a sending unit, configured to send a class switching response message to the wireless communication terminal according to the class switching request message received by the receiving unit, where the class switching response message includes switching control information, the switching control information indicates a response type to a current switching procedure, and the response type at least includes a first response type, a second response type, and a third response type; allowing the wireless communication terminal to be switched to a target communication system under the first response type; under the second response type, the wireless communication terminal is prohibited from being switched to a target communication system; in the third response type, only allowing the wireless communication terminal to use the predetermined service in the target communication system, or only allowing the wireless communication terminal to use the service in a predetermined time period after switching to the target communication system;
when the response type indicated by the handover control information is the first response type or the third response type, the class handover response message further includes information of a target cell which agrees to access;
the apparatus further comprises:
the management strategy making unit is used for making and storing at least one of the following strategies or the combination thereof: communication system of wireless communication terminal priority switch, congestion degree of target cell and service type customized by user
And the issuing unit is specifically configured to issue a class switching response message to the wireless communication terminal according to the class switching request message and the management policy in the management policy making unit.
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| CN106341854A (en) * | 2015-07-06 | 2017-01-18 | 展讯通信（上海）有限公司 | Multimode mobile terminal off-network processing method and device |
| CN107466073A (en) * | 2016-06-03 | 2017-12-12 | 中国移动通信有限公司研究院 | Communication pattern switching method, terminal device and the base station of a kind of terminal device |
| JP2019145858A (en) * | 2016-06-30 | 2019-08-29 | シャープ株式会社 | Terminal device, control device, and communication control method |
| CN108260159B (en) * | 2016-12-29 | 2020-05-15 | 大唐移动通信设备有限公司 | Different system service self-adaptive switching method and base station |
| CN111866948B (en) * | 2017-05-05 | 2023-09-19 | 捷开通讯(深圳)有限公司 | Communication method, base station, user equipment and device with storage function |
| CN113747545B (en) * | 2020-05-29 | 2022-11-25 | 华为技术有限公司 | Terminal equipment and intelligent network selection method |
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