CN110996356A - Converged communication heterogeneous communication method and system based on 5G - Google Patents
Converged communication heterogeneous communication method and system based on 5G Download PDFInfo
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- CN110996356A CN110996356A CN201911245582.9A CN201911245582A CN110996356A CN 110996356 A CN110996356 A CN 110996356A CN 201911245582 A CN201911245582 A CN 201911245582A CN 110996356 A CN110996356 A CN 110996356A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/18—Management of setup rejection or failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/34—Selective release of ongoing connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/38—Connection release triggered by timers
Abstract
The invention discloses a 5G-based converged communication heterogeneous communication method, which comprises the following steps: sending, by the mobile terminal, an RRC connection setup request to the cellular base station, wherein the mobile terminal is capable of communicating with the WiFi access point simultaneously; judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station does not reach the upper load limit, sending an RRC connection establishment response message to the mobile terminal by the cellular base station; establishing, by the mobile terminal, an RRC connection with the cellular base station based on the RRC connection establishment response message; generating and storing, by the mobile terminal, a cellular base station communication setup success message in response to establishing the RRC connection with the cellular base station; when the user actively selects to switch to the WiFi communication, the mobile terminal sends a connection establishment request message to the WiFi access point, wherein the connection establishment request message comprises a successful communication establishment message of the cellular base station.
Description
Technical Field
The present invention relates to the field of communication technologies, and in particular, to a 5G-based converged heterogeneous communication method and system.
Background
The fifth Generation mobile communication technology (english: 5th Generation mobile networks or 5th Generation wireless systems, 5th-Generation, 5G or 5G technology for short) is the latest Generation cellular mobile communication technology, and is also an extension behind the 4G (LTE-A, WiMax), 3G (UMTS, LTE) and 2G (gsm) systems.
The prior art CN108650685A discloses a C/U separated 5G cellular heterogeneous network control plane optimization method, where under a C/U separation architecture, a macro base station is responsible for control plane transmission, handling control and wide coverage of a network; the small base station is responsible for user plane transmission and unloads data for users on a higher frequency band. And after the macro base station fails, expanding the coverage area of the adjacent macro base station of the failed macro base station according to the requirement, and selecting the adjacent macro base station to access and perform control plane transmission by each small base station under the coverage area of the failed macro base station.
Prior art CN105979542 discloses a WiFi offloading method based on SDN in a 5G heterogeneous network. The method specifically comprises the following steps: when a terminal UE sends a service request frame, an SDN controller lists a group of available AP lists for the request UE; the SDN monitoring module feeds back state information of network equipment and request UE to a shunting decision module of the SDN, in the module, channel load judgment is firstly carried out on all APs in a list, the APs which are not overloaded are listed as a group, a channel load value of each AP in the group of APs is calculated, and then the throughput Pw and the effective data receiving rate R (t) of all the APs in the list are calculated in sequence; and finally, giving the three parameters to corresponding weight factors, multiplying and accumulating to obtain a utility function QoC of the requesting UE and each AP in the second group list, taking the AP with the maximum QoC value as an optimal shunting target, and informing the requesting UE to access the target AP to realize shunting.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a 5G-based converged communication heterogeneous communication method and system, which can overcome the defects of the prior art.
In order to achieve the above object, the present invention provides a 5G-based converged communication heterogeneous communication method, which includes the following steps: sending, by the mobile terminal, an RRC connection setup request to the cellular base station, wherein the mobile terminal is capable of communicating with the WiFi access point simultaneously; judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station does not reach the upper load limit, sending an RRC connection establishment response message to the mobile terminal by the cellular base station; establishing, by the mobile terminal, an RRC connection with the cellular base station based on the RRC connection establishment response message; generating and storing, by the mobile terminal, a cellular base station communication setup success message in response to establishing the RRC connection with the cellular base station; when the user actively selects to switch to the WiFi communication, the mobile terminal sends a connection establishment request message to the WiFi access point, wherein the connection establishment request message comprises a successful communication establishment message of the cellular base station.
In a preferred embodiment, the method for converged communication heterogeneous communication based on 5G comprises the following steps: responding to the received connection establishment request message, judging the load condition of the WiFi access point by the WiFi access point, and if the WiFi access point judges that the load of the WiFi access point does not reach the upper load limit of the WiFi access point, sending a connection establishment response message to the mobile terminal by the WiFi access point; establishing, by the mobile terminal, a communication link with the WiFi access point while disconnecting the RRC connection with the cellular base station in response to receiving the establishment response message; in response to receiving the connection establishment request message including the cellular base station communication establishment success message, communication with the mobile terminal is maintained by the WiFi access point.
In a preferred embodiment, the method for converged communication heterogeneous communication based on 5G comprises the following steps: when the user actively selects to switch back to the cellular communication, the mobile terminal sends an RRC connection establishment request to the cellular base station; judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station does not reach the upper load limit, sending an RRC connection establishment response message to the mobile terminal by the cellular base station; sending, by the mobile terminal, a disconnection request to the WiFi access point based on the RRC connection setup response message; the communication connection with the mobile terminal is disconnected by the WiFi access point only after the WiFi access point receives the disconnection request.
In a preferred embodiment, the method for converged communication heterogeneous communication based on 5G comprises the following steps: sending, by the mobile terminal, an RRC connection establishment request to the cellular base station;
judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station reaches the upper load limit, sending an RRC connection establishment rejection message to the mobile terminal by the cellular base station; generating and storing, by the mobile terminal, a cellular base station communication setup failure message in response to receiving the RRC connection setup rejection message; and responding to the received RRC connection establishment rejection message, and sending a connection establishment request message to the WiFi access point by the mobile terminal, wherein the connection establishment request message comprises a cellular base station communication establishment failure message.
In a preferred embodiment, the method for converged communication heterogeneous communication based on 5G comprises the following steps: responding to the received connection establishment request message, judging the load condition of the WiFi access point by the WiFi access point, and if the WiFi access point judges that the load of the WiFi access point does not reach the upper load limit of the WiFi access point, sending a connection establishment response message to the mobile terminal by the WiFi access point; in response to receiving the establishment response message, establishing, by the mobile terminal, a communication link with the WiFi access point while starting, by the WiFi access point, an internal timer; when the internal timer is up, the WiFi access point sends a switching command to the mobile terminal; sending, by the mobile terminal, an RRC connection setup request to the cellular base station in response to receiving the handover command; judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station still reaches the upper limit of the load, sending an RRC connection establishment rejection message to the mobile terminal again by the cellular base station; notifying, by the mobile terminal, the WiFi access point that the RRC connection attempt again failed in response to receiving the RRC connection setup rejection message; in response to receiving the notification that the RRC connection attempt again failed, updating, by the WiFi access point, the internal timer to obtain a second internal timer, wherein a timeout time of the second internal timer is longer than a timeout time of the internal timer.
The invention also provides a converged communication heterogeneous communication system based on 5G, which comprises the following components: means for transmitting, by a mobile terminal, an RRC connection setup request to a cellular base station, wherein the mobile terminal is capable of communicating with a WiFi access point simultaneously; a unit for judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station does not reach the upper limit of the load, sending an RRC connection establishment response message to the mobile terminal by the cellular base station; means for establishing, by the mobile terminal, an RRC connection with the cellular base station based on the RRC connection establishment response message; means for generating and storing, by the mobile terminal, a cellular base station communication setup success message in response to establishing the RRC connection with the cellular base station; and a unit used for sending a connection establishment request message to the WiFi access point by the mobile terminal when the user actively selects to switch to the WiFi communication, wherein the connection establishment request message comprises a successful communication establishment message of the cellular base station.
In a preferred embodiment, the converged communication heterogeneous communication system based on 5G comprises: a unit for responding to the received connection establishment request message, judging the load condition of the WiFi access point by the WiFi access point, and if the load condition of the WiFi access point does not reach the upper load limit of the WiFi access point, sending a connection establishment response message to the mobile terminal by the WiFi access point; means for establishing, by the mobile terminal, a communication link with the WiFi access point while disconnecting the RRC connection with the cellular base station in response to receiving the establishment response message; means for maintaining, by the WiFi access point, communication with the mobile terminal in response to receiving the connection setup request message including the cellular base station communication setup success message.
In a preferred embodiment, the converged communication heterogeneous communication system based on 5G comprises: means for sending, by the mobile terminal, an RRC connection setup request to the cellular base station when the user actively selects to switch back to cellular communication; a unit for judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station does not reach the upper limit of the load, sending an RRC connection establishment response message to the mobile terminal by the cellular base station; means for sending, by the mobile terminal, a disconnect request to the WiFi access point based on the RRC connection setup response message; means for disconnecting, by the WiFi access point, the communication connection with the mobile terminal only after the WiFi access point receives the disconnection request.
In a preferred embodiment, the converged communication heterogeneous communication system based on 5G comprises: means for transmitting, by the mobile terminal, an RRC connection setup request to the cellular base station; means for determining, by the cellular base station, a load condition of the cellular base station, and if the cellular base station determines that the load of the cellular base station has reached an upper load limit, transmitting, by the cellular base station, an RRC connection setup rejection message to the mobile terminal; means for generating and storing, by the mobile terminal, a cellular base station communication setup failure message in response to receiving the RRC connection setup rejection message; means for sending, by the mobile terminal, a connection setup request message to the WiFi access point in response to receiving the RRC connection setup rejection message, wherein the connection setup request message includes a cellular base station communication setup failure message.
In a preferred embodiment, the converged communication heterogeneous communication system based on 5G comprises: a unit for responding to the received connection establishment request message, judging the load condition of the WiFi access point by the WiFi access point, and if the load condition of the WiFi access point does not reach the upper load limit of the WiFi access point, sending a connection establishment response message to the mobile terminal by the WiFi access point; means for establishing, by the mobile terminal, a communication link with the WiFi access point in response to receiving the establish response message, while starting, by the WiFi access point, an internal timer; means for sending a handover command by the WiFi access point to the mobile terminal when the internal timer expires; means for sending, by the mobile terminal, an RRC connection setup request to the cellular base station in response to receiving the handover command; a unit for judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station still reaches the upper limit of the load, sending an RRC connection establishment rejection message to the mobile terminal again by the cellular base station; means for notifying, by the mobile terminal, the WiFi access point that the RRC connection attempt again failed in response to receiving the RRC connection setup rejection message; means for updating, by the WiFi access point, the internal timer to obtain a second internal timer in response to receiving the notification that the RRC connection attempt again failed, wherein a timeout time of the second internal timer is longer than a timeout time of the internal timer.
Compared with the prior art, the invention has the following advantages: currently, 5G is in the stage of network deployment construction, and the commercialization of 5G based on NSA is closer and closer to us. Due to the limitation of the penetration capability of the 5G signal, a femto base station-to-home situation may occur in the future, and at this time, a home user or a business can access both a WiFi signal and a 5G signal in a room, so that the method for switching and operating between heterogeneous networks has practical and significant meaning. The invention provides a method for selecting 5G connection and WiFi connection, because the 5G expense is very low (according to the current strategy of an operator, the future 5G connection still continues the current unlimited mode), a general user can preferentially select the 5G connection, but due to the increase of customers or the increase of personnel and equipment in a family, the 5G connection can be overloaded, after the overload, the mobile phone is required to be automatically switched to the WiFi connection so as to prevent the user from waiting for too long time of a network, but due to various excellent characteristics of the 5G, the preferential connection option in the future mobile phone is necessarily the 5G connection, so after the WiFi connection is established, how and when the mobile phone is switched back to the 5G connection also need to be controlled. If the switching time is poor, the mobile phone cannot be connected to the 5G node again, and then the mobile phone returns to WiFi communication again, and the operation of the mobile phone wastes the power of the mobile phone. The method of the present application can avoid this problem.
Drawings
Fig. 1 is a flowchart of a 5G-based converged communication heterogeneous communication method according to an embodiment of the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 is a flowchart of a 5G-based converged communication heterogeneous communication method according to an embodiment of the present invention. As shown in the figure, the converged communication heterogeneous communication method based on 5G includes the following steps:
step 101: sending, by the mobile terminal, an RRC connection setup request to the cellular base station, wherein the mobile terminal is capable of communicating with the WiFi access point simultaneously;
step 102: judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station does not reach the upper load limit, sending an RRC connection establishment response message to the mobile terminal by the cellular base station;
step 103: establishing, by the mobile terminal, an RRC connection with the cellular base station based on the RRC connection establishment response message;
step 104: generating and storing, by the mobile terminal, a cellular base station communication setup success message in response to establishing the RRC connection with the cellular base station; and
step 105: when the user actively selects to switch to the WiFi communication, the mobile terminal sends a connection establishment request message to the WiFi access point, wherein the connection establishment request message comprises a successful communication establishment message of the cellular base station.
In a preferred embodiment, the method for converged communication heterogeneous communication based on 5G comprises the following steps: responding to the received connection establishment request message, judging the load condition of the WiFi access point by the WiFi access point, and if the WiFi access point judges that the load of the WiFi access point does not reach the upper load limit of the WiFi access point, sending a connection establishment response message to the mobile terminal by the WiFi access point; establishing, by the mobile terminal, a communication link with the WiFi access point while disconnecting the RRC connection with the cellular base station in response to receiving the establishment response message; in response to receiving the connection establishment request message including the cellular base station communication establishment success message, communication with the mobile terminal is maintained by the WiFi access point.
In a preferred embodiment, the method for converged communication heterogeneous communication based on 5G comprises the following steps: when the user actively selects to switch back to the cellular communication, the mobile terminal sends an RRC connection establishment request to the cellular base station; judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station does not reach the upper load limit, sending an RRC connection establishment response message to the mobile terminal by the cellular base station; sending, by the mobile terminal, a disconnection request to the WiFi access point based on the RRC connection setup response message; the communication connection with the mobile terminal is disconnected by the WiFi access point only after the WiFi access point receives the disconnection request.
In a preferred embodiment, the method for converged communication heterogeneous communication based on 5G comprises the following steps: sending, by the mobile terminal, an RRC connection establishment request to the cellular base station; judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station reaches the upper load limit, sending an RRC connection establishment rejection message to the mobile terminal by the cellular base station; generating and storing, by the mobile terminal, a cellular base station communication setup failure message in response to receiving the RRC connection setup rejection message; and responding to the received RRC connection establishment rejection message, and sending a connection establishment request message to the WiFi access point by the mobile terminal, wherein the connection establishment request message comprises a cellular base station communication establishment failure message.
In a preferred embodiment, the method for converged communication heterogeneous communication based on 5G comprises the following steps: responding to the received connection establishment request message, judging the load condition of the WiFi access point by the WiFi access point, and if the WiFi access point judges that the load of the WiFi access point does not reach the upper load limit of the WiFi access point, sending a connection establishment response message to the mobile terminal by the WiFi access point; in response to receiving the establishment response message, establishing, by the mobile terminal, a communication link with the WiFi access point while starting, by the WiFi access point, an internal timer; when the internal timer is up, the WiFi access point sends a switching command to the mobile terminal; sending, by the mobile terminal, an RRC connection setup request to the cellular base station in response to receiving the handover command; judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station still reaches the upper limit of the load, sending an RRC connection establishment rejection message to the mobile terminal again by the cellular base station; notifying, by the mobile terminal, the WiFi access point that the RRC connection attempt again failed in response to receiving the RRC connection setup rejection message; in response to receiving the notification that the RRC connection attempt again failed, updating, by the WiFi access point, the internal timer to obtain a second internal timer, wherein a timeout time of the second internal timer is longer than a timeout time of the internal timer.
The invention also provides a converged communication heterogeneous communication system based on 5G, which comprises the following components: means for transmitting, by a mobile terminal, an RRC connection setup request to a cellular base station, wherein the mobile terminal is capable of communicating with a WiFi access point simultaneously; a unit for judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station does not reach the upper limit of the load, sending an RRC connection establishment response message to the mobile terminal by the cellular base station; means for establishing, by the mobile terminal, an RRC connection with the cellular base station based on the RRC connection establishment response message; means for generating and storing, by the mobile terminal, a cellular base station communication setup success message in response to establishing the RRC connection with the cellular base station; and the mobile terminal is used for sending a connection establishment request message to the WiFi access point when the user actively selects to switch to the WiFi communication, wherein the connection establishment request message comprises a successful communication establishment message of the cellular base station.
In a preferred embodiment, the converged communication heterogeneous communication system based on 5G comprises: a unit for responding to the received connection establishment request message, judging the load condition of the WiFi access point by the WiFi access point, and if the load condition of the WiFi access point does not reach the upper load limit of the WiFi access point, sending a connection establishment response message to the mobile terminal by the WiFi access point; means for establishing, by the mobile terminal, a communication link with the WiFi access point while disconnecting the RRC connection with the cellular base station in response to receiving the establishment response message; means for maintaining, by the WiFi access point, communication with the mobile terminal in response to receiving the connection setup request message including the cellular base station communication setup success message.
In a preferred embodiment, the converged communication heterogeneous communication system based on 5G comprises: means for sending, by the mobile terminal, an RRC connection setup request to the cellular base station when the user actively selects to switch back to cellular communication; a unit for judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station does not reach the upper limit of the load, sending an RRC connection establishment response message to the mobile terminal by the cellular base station; means for sending, by the mobile terminal, a disconnect request to the WiFi access point based on the RRC connection setup response message; means for disconnecting, by the WiFi access point, the communication connection with the mobile terminal only after the WiFi access point receives the disconnection request.
In a preferred embodiment, the converged communication heterogeneous communication system based on 5G comprises: means for transmitting, by the mobile terminal, an RRC connection setup request to the cellular base station; means for determining, by the cellular base station, a load condition of the cellular base station, and if the cellular base station determines that the load of the cellular base station has reached an upper load limit, transmitting, by the cellular base station, an RRC connection setup rejection message to the mobile terminal; means for generating and storing, by the mobile terminal, a cellular base station communication setup failure message in response to receiving the RRC connection setup rejection message; means for sending, by the mobile terminal, a connection setup request message to the WiFi access point in response to receiving the RRC connection setup rejection message, wherein the connection setup request message includes a cellular base station communication setup failure message.
In a preferred embodiment, the converged communication heterogeneous communication system based on 5G comprises: a unit for responding to the received connection establishment request message, judging the load condition of the WiFi access point by the WiFi access point, and if the load condition of the WiFi access point does not reach the upper load limit of the WiFi access point, sending a connection establishment response message to the mobile terminal by the WiFi access point; means for establishing, by the mobile terminal, a communication link with the WiFi access point in response to receiving the establish response message, while starting, by the WiFi access point, an internal timer; means for sending a handover command by the WiFi access point to the mobile terminal when the internal timer expires; means for sending, by the mobile terminal, an RRC connection setup request to the cellular base station in response to receiving the handover command; a unit for judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station still reaches the upper limit of the load, sending an RRC connection establishment rejection message to the mobile terminal again by the cellular base station; means for notifying, by the mobile terminal, the WiFi access point that the RRC connection attempt again failed in response to receiving the RRC connection setup rejection message; means for updating, by the WiFi access point, the internal timer to obtain a second internal timer in response to receiving the notification that the RRC connection attempt again failed, wherein a timeout time of the second internal timer is longer than a timeout time of the internal timer.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (10)
1. A converged communication heterogeneous communication method based on 5G is characterized in that: the converged communication heterogeneous communication method based on the 5G comprises the following steps:
sending, by a mobile terminal, an RRC connection setup request to a cellular base station, wherein the mobile terminal is capable of communicating with a WiFi access point simultaneously;
judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station does not reach the upper load limit, sending an RRC connection establishment response message to the mobile terminal by the cellular base station;
establishing, by the mobile terminal, an RRC connection with the cellular base station based on the RRC connection establishment response message;
generating and storing, by the mobile terminal, a cellular base station communication setup success message in response to establishing the RRC connection with the cellular base station;
and when the user actively selects to switch to WiFi communication, the mobile terminal sends a connection establishment request message to the WiFi access point, wherein the connection establishment request message comprises a successful communication establishment message of the cellular base station.
2. The 5G-based converged communication heterogeneous communication method according to claim 1, wherein: the converged communication heterogeneous communication method based on the 5G comprises the following steps:
responding to the received connection establishment request message, judging the load condition of the WiFi access point by the WiFi access point, and if the WiFi access point judges that the load of the WiFi access point does not reach the upper load limit of the WiFi access point, sending a connection establishment response message to the mobile terminal by the WiFi access point;
establishing, by the mobile terminal, a communication link with the WiFi access point while disconnecting RRC connection with the cellular base station in response to receiving the establishment response message;
maintaining, by the WiFi access point, communication with the mobile terminal in response to receiving a connection setup request message including the cellular base station communication setup success message.
3. The 5G-based converged communication heterogeneous communication method according to claim 2, wherein: the converged communication heterogeneous communication method based on the 5G comprises the following steps:
when the user actively selects to switch back to the cellular communication, sending an RRC connection establishment request to the cellular base station by the mobile terminal;
judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station does not reach the upper load limit, sending an RRC connection establishment response message to the mobile terminal by the cellular base station;
sending, by the mobile terminal, a disconnect request to the WiFi access point based on the RRC connection setup response message;
disconnecting, by the WiFi access point, the communication connection with the mobile terminal only after the WiFi access point receives the disconnection request.
4. The 5G-based converged communication heterogeneous communication method according to claim 1, wherein: the converged communication heterogeneous communication method based on the 5G comprises the following steps:
sending, by the mobile terminal, an RRC connection setup request to the cellular base station;
judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station reaches the upper load limit, sending an RRC connection establishment rejection message to the mobile terminal by the cellular base station;
generating and storing, by the mobile terminal, a cellular base station communication setup failure message in response to receiving the RRC connection setup rejection message;
and responding to the received RRC connection establishment rejection message, and sending a connection establishment request message to the WiFi access point by the mobile terminal, wherein the connection establishment request message comprises the cellular base station communication establishment failure message.
5. The 5G-based converged communication heterogeneous communication method according to claim 4, wherein: the converged communication heterogeneous communication method based on the 5G comprises the following steps:
responding to the received connection establishment request message, judging the load condition of the WiFi access point by the WiFi access point, and if the WiFi access point judges that the load of the WiFi access point does not reach the upper load limit of the WiFi access point, sending a connection establishment response message to the mobile terminal by the WiFi access point;
establishing, by the mobile terminal, a communication link with the WiFi access point in response to receiving the establishment response message while starting an internal timer by the WiFi access point;
when the internal timer is up, the WiFi access point sends a switching command to the mobile terminal;
sending, by the mobile terminal, an RRC connection setup request to the cellular base station in response to receiving the handover command;
judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station still reaches the upper load limit, sending an RRC connection establishment rejection message to the mobile terminal again by the cellular base station;
notifying, by the mobile terminal, the WiFi access point that the RRC connection attempt again failed in response to receiving the RRC connection setup rejection message;
updating, by the WiFi access point, the internal timer to derive a second internal timer in response to receiving a notification that the RRC connection attempt again failed, wherein a timeout time of the second internal timer is longer than a timeout time of the internal timer.
6. A converged communication heterogeneous communication system based on 5G is characterized in that: the converged communication heterogeneous communication system based on the 5G comprises:
means for transmitting, by a mobile terminal to a cellular base station, an RRC connection setup request, wherein the mobile terminal is capable of communicating with a WiFi access point simultaneously;
means for determining, by the cellular base station, a load condition of the cellular base station, and if the cellular base station determines that the load of the cellular base station does not reach an upper load limit, sending, by the cellular base station, an RRC connection setup response message to the mobile terminal;
means for establishing, by the mobile terminal, an RRC connection with the cellular base station based on the RRC connection setup response message;
means for generating and storing, by the mobile terminal, a cellular base station communication setup success message in response to establishing an RRC connection with the cellular base station;
and the mobile terminal is used for sending a connection establishment request message to the WiFi access point when the user actively selects to switch to the WiFi communication, wherein the connection establishment request message comprises the cellular base station communication establishment success message.
7. The 5G-based converged communication heterogeneous communication system according to claim 6, wherein: the converged communication heterogeneous communication system based on the 5G comprises:
a unit, configured to respond to the received connection establishment request message, determine, by the WiFi access point, a load condition of the WiFi access point, and if the WiFi access point determines that the load of the WiFi access point does not reach an upper load limit of the WiFi access point, send, by the WiFi access point, a connection establishment response message to the mobile terminal;
means for establishing, by the mobile terminal, a communication link with the WiFi access point while breaking the RRC connection with the cellular base station in response to receiving the establishment response message;
means for maintaining, by the WiFi access point, communication with the mobile terminal in response to receiving a connection setup request message that includes the cellular base station communication setup success message.
8. The 5G-based converged communication heterogeneous communication system according to claim 7, wherein: the converged communication heterogeneous communication system based on the 5G comprises:
means for sending, by the mobile terminal, an RRC connection setup request to the cellular base station when a user actively selects to switch back to cellular communication;
means for determining, by the cellular base station, a load condition of the cellular base station, and if the cellular base station determines that the load of the cellular base station does not reach an upper load limit, sending, by the cellular base station, an RRC connection setup response message to the mobile terminal;
means for sending, by the mobile terminal, a disconnect request to the WiFi access point based on the RRC connection setup response message;
means for disconnecting, by the WiFi access point, communication connection with the mobile terminal only after the WiFi access point receives the disconnection request.
9. The 5G-based converged communication heterogeneous communication system according to claim 8, wherein: the converged communication heterogeneous communication system based on the 5G comprises:
means for transmitting, by the mobile terminal, an RRC connection setup request to the cellular base station;
means for determining, by the cellular base station, a load condition of the cellular base station, and if the cellular base station determines that the load of the cellular base station has reached an upper load limit, sending, by the cellular base station, an RRC connection setup rejection message to the mobile terminal;
means for generating and storing, by the mobile terminal, a cellular base station communication setup failure message in response to receiving the RRC connection setup rejection message;
means for sending, by the mobile terminal, a connection setup request message to the WiFi access point in response to receiving the RRC connection setup rejection message, wherein the connection setup request message includes the cellular base station communication setup failure message.
10. The 5G-based converged communication heterogeneous communication system of claim 9, wherein: the converged communication heterogeneous communication system based on the 5G comprises:
a unit, configured to respond to the received connection establishment request message, determine, by the WiFi access point, a load condition of the WiFi access point, and if the WiFi access point determines that the load of the WiFi access point does not reach an upper load limit of the WiFi access point, send, by the WiFi access point, a connection establishment response message to the mobile terminal;
means for establishing, by the mobile terminal, a communication link with the WiFi access point in response to receiving the establishment response message while an internal timer is started by the WiFi access point;
means for sending, by the WiFi access point, a handover command to the mobile terminal when the internal timer expires;
means for sending, by the mobile terminal, an RRC connection setup request to the cellular base station in response to receiving the handover command;
a unit for judging the load condition of the cellular base station by the cellular base station, and if the cellular base station judges that the load of the cellular base station still reaches the upper load limit, sending an RRC connection setup rejection message to the mobile terminal again by the cellular base station;
means for notifying, by the mobile terminal, the WiFi access point that the RRC connection attempt again failed in response to receiving the RRC connection setup rejection message;
means for updating, by the WiFi access point, the internal timer to obtain a second internal timer in response to receiving the notification that the RRC connection attempt again failed, wherein a timeout time of the second internal timer is longer than a timeout time of the internal timer.
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