CN108156636A - Wide bandwidth base station, converged CN, terminal and its corresponding wide and narrow strip system switching method - Google Patents
Wide bandwidth base station, converged CN, terminal and its corresponding wide and narrow strip system switching method Download PDFInfo
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- CN108156636A CN108156636A CN201711362318.4A CN201711362318A CN108156636A CN 108156636 A CN108156636 A CN 108156636A CN 201711362318 A CN201711362318 A CN 201711362318A CN 108156636 A CN108156636 A CN 108156636A
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- terminal
- narrowband systems
- broadband
- broadband system
- narrowband
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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
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
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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
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/22—Performing reselection for specific purposes for handling the traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Abstract
The invention discloses a kind of wide bandwidth base station, converged CN, terminal and its corresponding wide and narrow strip system switching methods.Wherein, the method for the switching of the wide and narrow strip system of broadband system includes：Call business is established at least one terminal, the terminal has registration in narrowband systems and the broadband system；Receive the sector auxiliary information for the narrowband systems that the terminal is currently registered；At least one of described terminal is selected, the call business of selected terminal is switched to the sector of the narrowband systems of selected endpoint registration, can continue the call business in order to the sector of the narrowband systems；Discharge the broadband resource that the terminal occupies.By the above method, it can solve the problem of call interruption occur when broadband system load too high.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of wide bandwidth base station, converged CN, terminal and its correspondence
Wide and narrow strip system switching method.
Background technology
LTE (Long Term Evolution, long term evolution) is by 3GPP (The 3rd Generation
Partnership Project, third generation partner program) UMTS (the Universal Mobile that organize to set up
Telecommunications System, Universal Mobile Communication System) technical standard long term evolution, be after the third generation move
Next-generation mobile communications standard after communication, LTE technologies have been used to cluster communication.With the hair of cluster communication network technology
Exhibition, requirement of the user to COMMUNICATION NETWORK PERFORMANCES and function is continuously improved, and distributed load equalizing (Distributed Load
Balancing, DLB) a kind of method for optimizing resources is used as, have many advantages, such as that local management is efficient, network ductility is strong.
Present inventor has found in long-term research and development, and the mobility inside 3GPP protocol definitions LTE is born at present
The mobility load-balancing method between equalization methods and LTE and other 3GPP/3GPP2 standards such as GSM, UMTS, CDMA is carried,
But for LTE and narrowband cluster load-balancing method without reference to.When wide and narrow strip merges trunked communication system middle width strip cell
During load too high, the mobility load-balancing method that 3GPP is defined can only carry out the load balancing in LTE system, by the use of selection
Family switches to the LTE cells of adjacent free time, if closing on LTE cells all in busy state, the calling of the user will be by
It is disconnected.
Invention content
The invention mainly solves the technical problem of providing a kind of wide bandwidth base station, converged CN, terminals and its corresponding
Wide and narrow strip system switching method can solve the problem of call interruption occur when broadband system load too high.
In order to solve the above technical problems, one aspect of the present invention is：It provides a kind of for broadband system
The method of wide and narrow strip system switching, this method include：Call business is established at least one terminal, terminal is in narrowband systems and width
There is registration in band system；Receive the sector auxiliary information of narrowband systems that terminal is currently registered；At least one of terminal is selected, it will
The call business of selected terminal switches to the sector of the narrowband systems of selected endpoint registration, in order to narrowband systems
Sector can continue call business；Discharge the broadband resource that terminal occupies.
In order to solve the above technical problems, another technical solution used in the present invention is：One kind is provided for merging core
The wide and narrow strip system switching method of net, this method include：The call request that terminal is initiated is received, is that terminal is established with broadband system
Call business, terminal have registration in narrowband systems and broadband system；The handover request that broadband system is sent is received, will be called
Service switching to endpoint registration narrowband systems；The request of the broadband resource of release terminal occupancy is sent to broadband system.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of width for terminal is provided
Narrowband systems switching method, this method include：Calling is initiated to broadband system or is called using broadband system, and terminal exists
There is registration in narrowband systems and broadband system；The sector auxiliary information of narrowband systems currently registered to broadband system transmission；It receives
Call business, is switched to the sector of the narrowband systems of endpoint registration by the handover request that broadband system is sent, narrow to utilize
Band system continues call business.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of wide bandwidth base station is provided, is wrapped
It includes：The first connecting portion part is used to establish service connection at least one terminal, and terminal is equal in narrowband systems and broadband system
There is registration；First receiving part is used to receive the sector auxiliary information for the narrowband systems that terminal is currently registered；Alternative pack is used
In at least one of selection terminal；First switching part is used to switch to the call business of selected terminal selected
The sector of the narrowband systems of endpoint registration, in order to which narrowband systems can continue call business；Releasing parts are used to discharge terminal
The broadband resource of occupancy.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of converged CN is provided, is wrapped
It includes：4th receiving part is used to receive the call request of terminal initiation；5th receiving part is used to receive broadband system
The handover request of transmission；Second sends component, is used for the request of broadband resource for sending release terminal to broadband system and occupying；
Second connecting portion part is used to establish call business for terminal and broadband system, and terminal is equal in narrowband systems and broadband system
There is registration；Second switching part is used to switch to call business the narrowband systems of endpoint registration.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of terminal is provided, including：The
Three connecting components are used to establish service connection with wide bandwidth base station；4th connecting component is used to establish business with narrowband base station
Connection；Third sends component, is used for the sector auxiliary information of narrowband systems currently registered to broadband system transmission；6th receiving part
Part is used to receive the handover request of broadband system transmission；Third switching part is used to call business switching to terminal note
The sector of the narrowband systems of volume, narrowband systems to be utilized to continue call business.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of wide bandwidth base station is provided, is wrapped
It includes：First telecommunication circuit can be communicatively coupled with terminal；Memory is used to store program code；It is logical with described first
Believe circuit and the processor of memory coupling, be used to perform said program code, when the processor performs the journey
During sequence code, following method steps are realized：Call business is established at least one terminal, the terminal is in narrowband systems and broadband
There is registration in system；Receive the sector auxiliary information for the narrowband systems that the terminal is currently registered；It selects in the terminal at least
One, the call business of selected terminal is switched to the sector of the narrowband systems of selected endpoint registration, in order to institute
The call business can be continued by stating the sector of narrowband systems；Discharge the broadband resource that the terminal occupies.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of converged CN is provided, the
Two telecommunication circuits can be communicatively coupled with terminal；Third communication circuit can be communicatively coupled with broadband system；It deposits
Reservoir is used to store program code；It is coupled with second telecommunication circuit and third communication circuit and the memory
Processor is used to perform said program code, when the processor performs said program code, realizes following method step
Suddenly：The call request that terminal is initiated is received, establishes call business with broadband system for the terminal, the terminal is in narrowband systems
And there is registration in the broadband system；The handover request that the broadband system is sent is received, the call business is switched to
The narrowband systems of the endpoint registration；It is sent to the broadband system and discharges asking for the broadband resource that the terminal occupies
It asks.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of terminal is provided, including：The
Four telecommunication circuits can be communicatively coupled with broadband system；Fifth communication circuit can carry out communication link with narrowband systems
It connects；Memory is used to store program code；With the fourth communication circuit and fifth communication circuit and the memory coupling
The processor of conjunction is used to perform said program code, when the processor performs said program code, realizes following method
Step：Calling is initiated to broadband system or is called using the broadband system, and the terminal is in narrowband systems and described
There is registration in broadband system；The sector auxiliary information of narrowband systems currently registered to broadband system transmission；Receive the width
With the handover request that system is sent, the call business is switched to the sector of the narrowband systems of the endpoint registration, with
Just the narrowband systems can be utilized to continue the call business.
The beneficial effects of the invention are as follows：Broadband system and terminal establish calling connection, and receive terminal currently register it is narrow
Call business by least one of broadband system selection terminal, is switched to endpoint registration by the sector auxiliary information with system
The sector of narrowband systems, and continue call business using narrowband systems, while discharge the broadband resource of terminal occupancy, pass through release
When solving the problem of broadband system load too high to there is call interruption in broadband resource.
Description of the drawings
Fig. 1 is flow diagram of the present invention for one embodiment of wide and narrow strip system switching method of broadband system；
Fig. 2 is flow diagram of the present invention for one embodiment of wide and narrow strip system switching method of converged CN；
Fig. 3 is flow diagram of the present invention for one embodiment of wide and narrow strip system switching method of terminal；
Fig. 4 is flow diagram of the present invention for another embodiment of wide and narrow strip system switching method of terminal；
Fig. 5 is the structure diagram of wide bandwidth base station first embodiment of the present invention；
Fig. 6 is the structure diagram of one embodiment of converged CN of the present invention；
Fig. 7 is the structure diagram of one embodiment of terminal of the present invention；
Fig. 8 is the structure diagram of wide bandwidth base station second embodiment of the present invention；
Fig. 9 is the structure diagram of another embodiment of converged CN of the present invention；
Figure 10 is the structure diagram of another embodiment of terminal of the present invention；
Figure 11 is the structure diagram of coalescing network system 3rd embodiment of the present invention；
Figure 12 is the time diagram of an embodiment of system shown in Figure 11.
Specific embodiment
Wide bandwidth base station provided in an embodiment of the present invention, converged CN, terminal and its corresponding wide and narrow strip system switching side
Method can be applied to the network architecture of unified fusion, mentioned in terminal to support broadband system and narrowband systems simultaneously
Dual-mode terminal, terminal is in dual standby mode, and has in broadband system and narrowband systems and register and in net.The present invention is implemented
The terminal that example is provided, can be the communicating mobile devices such as smart mobile phone or intercom.
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Show referring to Fig. 1, Fig. 1 is flow of the present invention for one embodiment of wide and narrow strip system switching method of broadband system
It is intended to.If it is noted that have substantially the same as a result, method of the invention is not limited with flow shown in FIG. 1 sequence.
As shown in Figure 1, this method comprises the following steps：
S10：Call business is established at least one terminal, terminal has registration in narrowband systems and broadband system.
Wherein, broadband system/narrowband systems is operate on wide bandwidth base station/narrowband base station, available for performing all operations
System.Terminal be cluster dual-mode terminal, you can to converse in broadband service cell, can also narrowband service cell into
Row call.Since broadband system is capable of providing more capacity and more rich business support, dual-mode terminal can preferentially select to pass through
Broadband system realizes call business, and broadband system can establish calling connection with one or more dual-mode terminal simultaneously.It can
Selection of land, above-mentioned call business are voice single call service.
S11：Receive the sector auxiliary information of narrowband systems that terminal is currently registered；
Terminal with broadband system while call business is established, by the id information for the narrowband sector that the terminal is adhered to simultaneously
It is sent to broadband system.
S12：At least one of terminal is selected, the call business of selected terminal is switched to selected terminal notes
The sector of the narrowband systems of volume, can continue call business in order to the sector of narrowband systems.
Broadband system selects one or more terminals, leads to not influencing user from all terminals for establishing call business
During words, the call business of terminal is switched to corresponding narrowband systems by broadband system.
S13：Discharge the broadband resource that terminal occupies.
Wherein, the broadband resource that release terminal occupies includes the process that wide bandwidth base station performs air interface release user.It is empty
Middle interface (Air Interface) is also referred to as Common Air Interface CAI, is the interface between user terminal and base station in LTE technologies,
Air interface is wide-open interface, as long as in accordance with interface specification, the equipment of different manufacturer's productions is with regard to that can communicate.
By the above method, it can solve the problem of call interruption occur when broadband system load too high.
Referring to Fig. 2, Fig. 2 is flow of the present invention for another embodiment of wide and narrow strip system switching method of broadband system
Schematic diagram.As shown in Fig. 2, before step S12, it is further comprising the steps of：
S201：Start.
S202：Judge whether the load of itself is more than first threshold, if load is more than first threshold, performs step
Otherwise S203, jumps to step S206.
Wherein, first threshold can be the occupancy of broadband system, such as 70% or be broadband system uplink/downlink
Transmission speed etc..
S203：Whether the load for judging narrowband systems is more than second threshold, if the load of narrowband systems is less than the second threshold
Value, then perform step S204, otherwise, jump to step S206.
Optionally, while broadband system and terminal establish call business, broadband system also receives converged CN hair
The Sector Load Information of narrowband systems that the terminal sent is registered, the Sector Load Information of narrowband systems are sent by narrowband systems
To converged CN；Or broadband system is directly connected to narrowband systems, and receives the Sector Load Information of narrowband systems.
Related different system can be directly acquired between wide and narrow strip system by way of converged CN or by link
Load information.Wherein, link refers to from a node to one section of physical circuit for believing node, intermediate not any other
Routing node.Communication line composition between general chain routing both ends node and node.
S204：Judge that terminal whether in broadband system cell edge, if in broadband system cell edge, performs step
Otherwise rapid S205, jumps to step S206.
Since the more remote signal of distance is weaker, when the load of broadband system is more than first threshold, preferential selection is located at broadband
The dual-mode terminal at system cell edge carries out service switching, while broadband system load balancing is solved, can also improve use
The speech quality at family.
S205：At least one of terminal is selected, the call business of selected terminal is switched into selected terminal
The sector of the narrowband systems of registration can continue call business in order to the sector of narrowband systems.
Broadband system can select one of dual-mode terminal or meet pair of all conditions in step S202 or S204
Mould terminal carries out service switching.
Optionally, after the dual-mode terminal that broadband system chooses needs to switch over, the request of switching call business is sent
To converged CN, so that converged CN is currently registered according to request in selected terminal and selected terminal
Call business is established in narrowband in sector.
S206：Terminate.
In an application scenarios of the present embodiment, when broadband system load be more than a certain preset value (such as 70%), it is wide
All load values for establishing the narrowband systems accompanying by the dual-mode terminal of speech business can be detected automatically with system, preferentially chosen narrow
The band smaller dual-mode terminal of system load value, and these dual-mode terminals are further judged the location of in broadband system, it is excellent
The dual-mode terminal positioned at cell edge is first chosen, the speech business of the terminal is switched to the fan of the narrowband systems of the endpoint registration
Area.
If it is noted that have substantially the same as a result, method of the invention is not with flow shown in Fig. 2 sequence
Limit in other embodiments, can only include one or arbitrary several combinations in step S202, S203 and S204.For example, work as
Some dual-mode terminal initiates voice call service or some dual-mode terminal to broadband system and is carrying out language with broadband system
Sound business, whether the load for the narrowband systems that broadband system is adhered to by judging the terminal is more than second threshold, if narrowband systems
Load be less than second threshold, then the voice single call service is directly switched to the sector of the narrowband systems of the endpoint registration.
Or any judgement is not done, as long as a certain dual-mode terminal initiates voice single call service to broadband system or some bimodulus is whole
Rectify and carrying out voice single call service with broadband system, which is directly switched to the narrowband system of the endpoint registration
The sector of system.
Suitable user is selected to carry out service switching by the above-mentioned means, broadband system can integrate Multiple factors, solved
Certainly while broadband system load balancing, it is ensured that the speech quality of terminal.
Referring to Fig. 3, Fig. 3 is flow of the present invention for one embodiment of wide and narrow strip system switching method of converged CN
Schematic diagram.In the present embodiment, this method includes the following steps：
S30：The call request that terminal is initiated is received, establishes call business with broadband system for terminal, terminal is in narrowband system
There is registration in system and broadband system.
S31：The handover request that broadband system is sent is received, call business is switched to the narrowband systems of endpoint registration.
S32：The request of the broadband resource of release terminal occupancy is sent to broadband system.
The major function of core net is to provide user's connection, the management to user and the distribution to business, by reception
Call request or request of data are connected on different networks.In wide and narrow strip merges trunked communication system, multimode terminal is simultaneously
Broadband and narrowband systems are attached to, is managed collectively by converged CN, therefore, converged CN can control a business simultaneously
It is transmitted in broadband or narrowband systems, and as needed switches over business transmission between different system.
Further, after step S30, Sector Load Information is sent to converged CN by narrowband systems, by merging
Core net is transmitted to broadband system.Broadband system is after determining to need to carry out call business switching, by being sent out to converged CN
It plays call business switching to ask for instructions, which can carry the Subscriber Number of the terminal and the correlation of call business Session Description Protocol
Parameter.Converged CN according to residing for selected terminal Traffic Channel inquiry active calls context (such as calling number,
Called number, type of call and call property etc.), call business is switched to the narrowband systems of selected endpoint registration table.
And broadband system is notified to discharge the broadband resource of terminal occupancy.
By the above method, call business can be switched to narrowband systems, and then solve when broadband system from broadband system
During load too high of uniting, there is the problem of call interruption.
Referring to Fig. 4, Fig. 4 is flow signal of the present invention for one embodiment of wide and narrow strip system switching method of terminal
Figure.In the present embodiment, this method includes the following steps：
S40：Calling is initiated to broadband system or is called using broadband system, and terminal is in narrowband systems and broadband system
There is registration in system.
S41：The sector auxiliary information of narrowband systems currently registered to broadband system transmission.
S42：The handover request that broadband system is sent is received, call business is switched to the fan of the narrowband systems of endpoint registration
Area, narrowband systems to be utilized to continue call business.
In the present embodiment, terminal is cluster dual-mode terminal.I.e. the terminal can be conversed on broadband system, also may be used
To converse in narrowband systems.Wherein, above-mentioned terminal can be that the communications such as smart mobile phone or intercom movement is set
It is standby.While dual-mode terminal establishes connection with broadband system, the id information of narrowband sector currently adhered to is sent to width together
Band system.
Optionally, when terminal is initiated calling or called using broadband system to broadband system, converged CN connects
The request of the switching call business of broadband system transmission is received, is currently registered with selected terminal in selected terminal narrow
Band establishes call business in sector.
By the above-mentioned means, it can solve the problem of that terminal call business will be interrupted when broadband system load balancing.
Referring to Fig. 5, Fig. 5 is the structure diagram of wide bandwidth base station first embodiment of the present invention.In the present embodiment, broadband base
It stands including the first connecting portion part 501, the first receiving part 502, alternative pack 503, the first switching part 504 and release portion
Part 505.
The first connecting portion part 501 is used to establish service connection at least one terminal, and terminal is in narrowband systems and broadband system
There is registration in system；
First receiving part 502 is used to receive the sector auxiliary information for the narrowband systems that terminal is currently registered；
Alternative pack 503 is used to select at least one of terminal；
First switching part 504 is used to switch to the call business of selected terminal the narrowband system of selected endpoint registration
The sector of system, in order to which narrowband systems can continue call business；
Releasing parts 505 are used to discharge the broadband resource of terminal occupancy.
Optionally, wide bandwidth base station further includes：
First judgement part 506 is used to judge whether the load of itself is more than first threshold；
If the first execution unit 507 is more than first threshold for loading, perform in broadband system selection terminal at least
The step of one, does not otherwise perform.
Optionally, wide bandwidth base station further includes：
If it is used to load more than first threshold the second judgement part 508, further judging the load of narrowband systems is
No is more than second threshold,
If the second execution unit 509 is less than second threshold for the load of narrowband systems, broadband system selection is performed
Otherwise the step of at least one of terminal, does not perform.
Optionally, wide bandwidth base station further includes：
Whether third judgement part 510 is used to judge terminal in broadband system cell edge；
If third execution unit 511 is in broadband system cell edge for terminal, broadband system selection terminal is performed
At least one step.
Optionally, wide bandwidth base station further includes：
Second receiving part 512 is used to receive the Sector Load Information of the narrowband systems of converged CN transmission, narrowband system
The Sector Load Information of system is sent to converged CN by narrowband systems；Or
Third receiving part 513 is used to directly receive the Sector Load Information of narrowband systems from narrowband systems.
Optionally, the first switching part 504 further includes：
First sends component 5041 for sending the request of switching call business to converged CN, so that fusion core
Net establishes call business according to request in the narrowband sector currently registered in terminal and terminal.
Wherein, each component of wide bandwidth base station can perform that wide and narrow strip system switching method for broadband system is corresponding to be held
Row step.Related content refers to the detailed description in the above method, no longer superfluous herein to chat.
Referring to Fig. 6, Fig. 6 is the structure diagram of one embodiment of converged CN of the present invention.In the present embodiment, fusion nucleus
Heart net includes：4th receiving part 601, the 5th receiving part 602, second send component 603, second connecting portion part 604 and
Second switching part 605.
4th receiving part 601 is used to receive the call request of terminal initiation；
5th receiving part 602 is used to receive the handover request of broadband system transmission；
Second, which sends component 603, is used for the request of broadband resource for sending release terminal to broadband system and occupying；
Second connecting portion part 604 is used to establish call business with broadband system for terminal, and terminal is in narrowband systems and broadband
There is registration in system；
Second switching part 605 is used to switch to call business the narrowband systems of endpoint registration.
Wherein, each component of converged CN can perform the wide and narrow strip system switching method correspondence for converged CN
Execution step.Related content refers to the detailed description in the above method, no longer superfluous herein to chat.
Referring to Fig. 7, Fig. 7 is the structure diagram of one embodiment of terminal of the present invention.In the present embodiment, terminal includes：The
Three connecting components 701, the 4th connecting component 702, third send component 703, the 6th receiving part 704 and third switching part
Part 705.
Third connecting component 701 is used to establish service connection with wide bandwidth base station；
4th connecting component 702 is used to establish service connection with narrowband base station；
Third sends component 703 and is used for the sector auxiliary information of narrowband systems currently registered to broadband system transmission,
6th receiving part 704 is used to receive the handover request of broadband system transmission；
Third switching part 705 is used to switch to call business the sector of the narrowband systems of endpoint registration, so as to energy profit
Continue call business with narrowband systems.
Wherein, each component of terminal can perform the corresponding execution step of wide and narrow strip system switching method for terminal.
Related content refers to the detailed description in the above method, no longer superfluous herein to chat.
Referring to Fig. 8, Fig. 8 is the structure diagram of wide bandwidth base station second embodiment of the present invention.In the present embodiment, broadband base
It stands including the first telecommunication circuit 801, memory 802 and processor 803.Wherein, the first telecommunication circuit 801 is carried out with terminal
Communication connection.Memory 802 is used to store program code.Processor 803 is coupled with the first telecommunication circuit 801 and memory 802.
Processor 803, when processor 803 performs program code, realizes following method steps for performing program code：
Call business is established at least one terminal, terminal has registration in narrowband systems and broadband system；Terminal is received currently to note
The sector auxiliary information of the narrowband systems of volume；At least one of terminal is selected, the call business of selected terminal is switched into institute
The sector of the narrowband systems of the endpoint registration of selection can continue call business in order to the sector of narrowband systems；Release terminal accounts for
Broadband resource.
Wherein, each component of wide bandwidth base station can perform that wide and narrow strip system switching method for broadband system is corresponding to be held
Row step.Related content refers to the detailed description in the above method, no longer superfluous herein to chat.
Referring to Fig. 9, Fig. 9 is the structure diagram of another embodiment of converged CN of the present invention.In the present embodiment, fusion
Core net includes：Second telecommunication circuit 901, third communication circuit 902, memory 903 and processor 904.
Wherein, the second telecommunication circuit 901 is communicatively coupled with terminal.Third communication circuit 902 is carried out with broadband system
Communication connection.Memory 903 is used to store program code.904 and second telecommunication circuit 901 of processor and third communication circuit
902 and memory 903 couple.
Memory 903, when processor performs program code, realizes following method steps for performing program code：It connects
The call request that terminal is initiated is received, establishes call business with broadband system for terminal, terminal is in narrowband systems and broadband system
There is registration；The handover request that broadband system is sent is received, call business is switched to the narrowband systems of endpoint registration；To broadband
System sends the request of broadband resource that release terminal occupies.
Wherein, each component of converged CN can perform the wide and narrow strip system switching method correspondence for converged CN
Execution step.Related content refers to the detailed description in the above method, no longer superfluous herein to chat.
Referring to Fig. 10, Figure 10 is the structure diagram of another embodiment of terminal of the present invention.In the present embodiment, terminal packet
It includes：Fourth communication circuit 101, fifth communication circuit 102, memory 103 and processor 104.
Wherein, fourth communication circuit 101 is communicatively coupled with broadband system.Fifth communication circuit 102 and narrowband systems
It is communicatively coupled.Memory 103 is used to store program code.Processor 104 and fourth communication circuit 101 and fifth communication electricity
Road 102 and memory 103 couple.
Memory 103, when processor performs program code, realizes following method steps for performing program code：To
Broadband system is initiated calling or is called using broadband system, and terminal has registration in narrowband systems and broadband system；
The sector auxiliary information of narrowband systems currently registered to broadband system transmission；The handover request that broadband system is sent is received, will be called
Service switching is to the sector of the narrowband systems of endpoint registration, narrowband systems to be utilized to continue call business.
Wherein, each component of terminal can perform the corresponding execution step of wide and narrow strip system switching method for terminal.
Related content refers to the detailed description in the above method, no longer superfluous herein to chat.
Please refer to Fig.1 1 and Figure 12, Figure 11 be coalescing network system 3rd embodiment of the present invention structure diagram, Figure 12
It is the time diagram of an embodiment of system shown in Figure 11, as shown in figure 11, converged network framework of the invention includes broadband
Base station 111, narrowband base station 112, dual-mode terminal 113 and converged CN 114.Dual-mode terminal 113 is attached to wide bandwidth base station simultaneously
111 and narrowband base station 112, it is managed collectively by converged CN 114.
As shown in figure 12, the workflow of above system includes the following steps：
1) dual-mode terminal establishes call business with broadband system；
2) sector auxiliary information for the narrowband systems currently registered is sent to broadband system by dual-mode terminal；
3) load information of narrowband sector that terminal is currently registered is sent to converged CN by narrowband systems；
4) load information of narrowband sector is transmitted to broadband system by converged CN；
5) broadband system selects at least one terminal, and notifies converged CN, and call business is switched to endpoint registration
Narrowband systems sector；
6) dual-mode terminal establishes call business with the narrowband systems currently registered；
7) converged CN notice broadband system discharges the broadband resource of terminal occupancy；
8) broadband resource that broadband system release terminal occupies.
There is call interruption by discharging broadband resource when solving the problem of broadband system load too high in above scheme.
The foregoing is merely embodiments of the present invention, are not intended to limit the scope of the invention, every to utilize this
It is relevant to be directly or indirectly used in other for the equivalent structure or equivalent flow shift that description of the invention and accompanying drawing content are made
Technical field is included within the scope of the present invention.
Claims (19)
1. a kind of method that wide and narrow strip system for broadband system switches, which is characterized in that the method includes：
Call business is established at least one terminal, the terminal has registration in narrowband systems and the broadband system；
Receive the sector auxiliary information for the narrowband systems that the terminal is currently registered；
At least one of described terminal is selected, the call business of selected terminal is switched into selected endpoint registration
The sector of narrowband systems can continue the call business in order to the sector of the narrowband systems；
Discharge the broadband resource that the terminal occupies.
2. according to the method described in claim 1, it is characterized in that, before at least one of described described terminal of selection, wrap
It includes：
Judge whether the load of itself is more than first threshold；
If the load is more than the first threshold, the step that the broadband system selects at least one of the terminal is performed
Suddenly, it does not otherwise perform.
3. according to the method described in claim 2, it is characterized in that, the load for judging itself whether be more than first threshold it
Afterwards, including：
If the load is more than the first threshold, whether the load for further judging the narrowband systems is more than second threshold,
If the load of the narrowband systems is less than the second threshold, performs the broadband system and select in the terminal at least
The step of one, does not otherwise perform.
4. according to the method described in claim 1, it is characterized in that, before at least one of described described terminal of selection, wrap
It includes：
Judge the terminal whether in the broadband system cell edge；
If in the broadband system cell edge, at least one step that the broadband system selects the terminal is performed
Suddenly.
5. method according to any one of claims 1 to 4, which is characterized in that at least one in the selection terminal
Before a, further include：
Receive the Sector Load Information for the narrowband systems that converged CN is sent, the Sector Load Information of the narrowband systems
The converged CN is sent to by the narrowband systems；Or
The broadband system is directly connected to the narrowband systems, and receives the Sector Load Information of the narrowband systems.
6. according to the method described in claim 1, it is characterized in that, the call business by selected terminal switch to it is selected
The sector of the narrowband systems for the endpoint registration selected includes：
The request of switching call business is sent to converged CN, so that the converged CN is according to the request, in institute
It states in the narrowband sector that terminal is currently registered with the terminal and establishes call business.
7. a kind of wide and narrow strip system switching method for converged CN, which is characterized in that the method includes：
The call request that terminal is initiated is received, establishes call business with broadband system for the terminal, the terminal is in narrowband system
There is registration in system and the broadband system；
The handover request that the broadband system is sent is received, the call business is switched to the narrowband of the endpoint registration
System；
The request for discharging the broadband resource that the terminal occupies is sent to the broadband system.
8. a kind of wide and narrow strip system switching method for terminal, which is characterized in that the method includes：
Calling is initiated to broadband system or is called using the broadband system, and the terminal is in narrowband systems and the width
There is registration in band system；
The sector auxiliary information of narrowband systems currently registered to broadband system transmission；
The handover request that the broadband system is sent is received, the call business is switched to the narrowband of the endpoint registration
The sector of system, the narrowband systems to be utilized to continue the call business.
9. a kind of wide bandwidth base station, which is characterized in that the wide bandwidth base station includes：
The first connecting portion part is used to establish service connection at least one terminal, and the terminal is in narrowband systems and broadband system
There is registration in system；
First receiving part is used to receive the sector auxiliary information for the narrowband systems that the terminal is currently registered；
Alternative pack is used to select at least one of described terminal；
First switching part is used to switch to the call business of selected terminal the narrowband systems of selected endpoint registration
Sector, in order to which the narrowband systems can continue the call business；
Releasing parts are used to discharge the broadband resource that the terminal occupies.
10. wide bandwidth base station according to claim 9, which is characterized in that the wide bandwidth base station further includes：
First judgement part is used to judge whether the load of itself is more than first threshold；
First execution unit if it is more than the first threshold to be used for the load, is performed described in the broadband system selection
Otherwise the step of at least one of terminal, does not perform.
11. wide bandwidth base station according to claim 10, which is characterized in that the wide bandwidth base station further includes：
Second judgement part if it is more than the first threshold to be used for the load, further judges the narrowband systems
Whether load is more than second threshold,
Second execution unit if the load for being used for the narrowband systems is less than the second threshold, performs the broadband
Described in Systematic selection the step of at least one of terminal, otherwise do not perform.
12. wide bandwidth base station according to claim 9, which is characterized in that the wide bandwidth base station further includes：
Whether third judgement part is used to judge the terminal in the broadband system cell edge；
Third execution unit if being used for the terminal is in the broadband system cell edge, performs the broadband system
Select at least one step of the terminal.
13. according to claim 9 to 12 any one of them wide bandwidth base station, which is characterized in that the wide bandwidth base station further includes：
Second receiving part is used to receive the Sector Load Information of the narrowband systems of converged CN transmission, described narrow
Sector Load Information with system is sent to the converged CN by the narrowband systems；Or
Third receiving part is used to directly receive the Sector Load Information of the narrowband systems from the narrowband systems.
14. wide bandwidth base station according to claim 9, which is characterized in that first switching part includes：
First sends component, is used to send the request of switching call business to converged CN, so that the fusion core
Net establishes call business according to the request in the narrowband sector currently registered in the terminal and the terminal.
15. a kind of converged CN, which is characterized in that the converged CN includes：
4th receiving part is used to receive the call request of terminal initiation；
5th receiving part is used to receive the handover request that the broadband system is sent；
Second sends component, is used to send the request for discharging the broadband resource that the terminal occupies to the broadband system；
Second connecting portion part is used to establish call business for the terminal and broadband system, the terminal in narrowband systems and
There is registration in the broadband system；
Second switching part is used to switch to the call business narrowband systems of the endpoint registration.
16. a kind of terminal, which is characterized in that the terminal includes：
Third connecting component is used to establish service connection with the wide bandwidth base station；
4th connecting component is used to establish service connection with the narrowband base station；
Third sends component, is used for the sector auxiliary information of narrowband systems currently registered to broadband system transmission；
6th receiving part is used to receive the handover request that the broadband system is sent；
Third switching part is used to switch to the call business sector of the narrowband systems of the endpoint registration,
The narrowband systems to be utilized to continue the call business.
17. a kind of wide bandwidth base station, which is characterized in that the wide bandwidth base station includes：
First telecommunication circuit can be communicatively coupled with terminal；
Memory is used to store program code；
The processor coupled with first telecommunication circuit and the memory, is used to perform said program code, when described
When processor performs said program code, following method steps are realized：
Call business is established at least one terminal, the terminal has registration in narrowband systems and broadband system；
Receive the sector auxiliary information for the narrowband systems that the terminal is currently registered；
At least one of described terminal is selected, the call business of selected terminal is switched into selected endpoint registration
The sector of narrowband systems can continue the call business in order to the sector of the narrowband systems；
Discharge the broadband resource that the terminal occupies.
18. a kind of converged CN, which is characterized in that the converged CN includes：
Second telecommunication circuit can be communicatively coupled with terminal；
Third communication circuit can be communicatively coupled with broadband system；
Memory is used to store program code；
The processor coupled with second telecommunication circuit and third communication circuit and the memory is used to perform described
Program code when the processor performs said program code, realizes following method steps：
The call request that terminal is initiated is received, establishes call business with broadband system for the terminal, the terminal is in narrowband system
There is registration in system and the broadband system；
The handover request that the broadband system is sent is received, the call business is switched to the narrowband of the endpoint registration
System；
The request for discharging the broadband resource that the terminal occupies is sent to the broadband system.
19. a kind of terminal, which is characterized in that the terminal includes：
Fourth communication circuit can be communicatively coupled with broadband system；
Fifth communication circuit can be communicatively coupled with narrowband systems；
Memory is used to store program code；
The processor coupled with the fourth communication circuit and fifth communication circuit and the memory is used to perform described
Program code when the processor performs said program code, realizes following method steps：
Calling is initiated to broadband system or is called using the broadband system, and the terminal is in narrowband systems and the width
There is registration in band system；
The sector auxiliary information of narrowband systems currently registered to broadband system transmission；
The handover request that the broadband system is sent is received, the call business is switched to the narrowband of the endpoint registration
The sector of system, the narrowband systems to be utilized to continue the call business.
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| CN201711362318.4A CN108156636A (en) | 2017-12-15 | 2017-12-15 | Wide bandwidth base station, converged CN, terminal and its corresponding wide and narrow strip system switching method |
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| CN201711362318.4A CN108156636A (en) | 2017-12-15 | 2017-12-15 | Wide bandwidth base station, converged CN, terminal and its corresponding wide and narrow strip system switching method |
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