CN102892149B - A kind of virtual terminal system and its method and main control terminal for ensureing business continuance - Google Patents
A kind of virtual terminal system and its method and main control terminal for ensureing business continuance Download PDFInfo
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- CN102892149B CN102892149B CN201110205059.0A CN201110205059A CN102892149B CN 102892149 B CN102892149 B CN 102892149B CN 201110205059 A CN201110205059 A CN 201110205059A CN 102892149 B CN102892149 B CN 102892149B
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000008859 change Effects 0.000 claims abstract description 20
- 230000010365 information processing Effects 0.000 claims description 24
- 238000006116 polymerization reaction Methods 0.000 claims description 19
- 230000000779 depleting effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010025 steaming Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Classifications
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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
Abstract
The present invention discloses a kind of method that virtual terminal system ensures business continuance, including：When terminal environments change, the Business Stream for the member terminal left in virtual terminal system is redirected to spare member terminal and is transmitted by the main control terminal contextual information in virtual terminal system, or contextual information carries out network switching, or the presentation mode of contextual information adjustment business；The present invention also provides a kind of virtual terminal system and a kind of main control terminal.Technique according to the invention scheme, when terminal environments change, can ensure the continuity for the business that user uses, provide a user optimal business experience.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of virtual terminal system and its guarantee business continuance
Method and main control terminal.
Background technology
With the development of information-intensive society, people are continuously increased the demand of information content and information service species, any type
Single network or single terminal can not all meet this ever increasing need, solve the problems, such as this, its outlet only has
One, that is, collaboration.The purpose of multiple terminals collaboration is exactly to produce the ability that single terminal end does not have, and is solved by single
The problem of one terminal can't resolve.People are according to the change of service application environment and network state, using closely networking technology,
To have the function of that various identical or different equipment are dynamically polymerized to a virtual terminal, serve network connection and business should
With ensureing the uniformity of service application, so as to provide a user optimal business experience.
Virtual terminal system is a distributed system, the equipment by polymerizeing in surrounding environment, according to environmental context
The dynamic change of information, adaptively carries out ability synthesis, thereby provides a user abundant business experience.However, in user
In the moving process of terminal, the terminal environments moment occurs to change, and how is faced with network switching and system terminal resource alternates
Configuration and reasonable reconstruction are optimized to virtual terminal system, so that ensureing the continuity of business becomes a research emphasis.Example
Such as, user enjoys HD video business, it is necessary to successively experience home network environment, public transport during from the home to work unit
Network environment and office network environment, in home network environment, office network environment, can polymerize laptop, TV,
The intelligent terminals such as mobile phone, provide a user HD video business, in public traffic network environment, can polymerize the hand of surrounding user
The mobile terminals such as machine, PDA, provide a user HD video business, but from home network environment to public traffic network environment
In moving process, will face network switching, around for polymerization terminal quantity and ability be limited and network and terminal it is frequent
The problems such as change, how to realize the continuity of Seamless Network switching and business becomes a critically important problem for ensureing QoS of survice.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of virtual terminal system and its ensure business continuance
Method and main control terminal, when terminal environments change, can ensure the continuity for the business that user uses, provide a user most
Good business experience.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The present invention provides a kind of method that virtual terminal system ensures business continuance, including：
When terminal environments change, main control terminal contextual information in virtual terminal system is by virtual terminal system
The Business Stream for the member terminal left in system is redirected to spare member terminal and is transmitted, or contextual information carries out net
Network switches, or the presentation mode of contextual information adjustment business.
In the above method, the contextual information includes the contextual information of terminal capability, the context letter of terminal environments
The contextual information of breath and user preference.
In the above method, the contextual information is by the Business Stream weight for the member terminal left in virtual terminal system
Be directed to spare member terminal be transmitted for：
Main control terminal excavates the available terminal of surrounding according to the contextual information of terminal capability, and available by what is excavated out
Terminal is as spare member terminal；
When there is member terminal to disconnect with the connection of virtual terminal system in virtual terminal system, main control terminal by it is described into
The Business Stream of member's terminal is redirected to spare member terminal and is transmitted, and reconstructs virtual terminal system.
In the above method, the contextual information carries out network switching and is：
The RSS values of present access network in the contextual information of main control terminal comparison terminal environment with default first
The size of limit value, when the RSS values of present access network are less than default first threshold value, main control terminal searches for spare access net
Network, and spare connection is established with the alternate access networks searched out；
Main control terminal compares the RSS values of main control terminal present access network and the size of default second threshold value, currently
When the RSS values of access network are less than default second threshold value, present access network is switched to spare access net by main control terminal
Network.
In the above method, the presentation mode of the contextual information adjustment business is：
Buffer area is set in the main control terminal of virtual terminal system, and the member terminal in virtual terminal system cannot
During the current business for the main control terminal that continues, the Business Stream in buffer area is enabled；
When main control terminal determines according to the contextual information of terminal capability that available terminal resource to be not present around itself, and
When Business Stream in buffer area depletes, main control terminal contextual information adjusts the presentation mode of business.
In the above method,
Before the presentation mode of the main control terminal contextual information adjustment business, this method further includes：Master control is whole
Available terminal resource around end search itself；
This method further includes：If there are available terminal resource around main control terminal itself, main control terminal is according to searching
The terminal resource reconstruct virtual terminal system that rope arrives；
This method further includes：If available terminal resource is not present around main control terminal itself, and the industry in buffer area
Business stream does not deplete, then main control terminal continues search for available terminal resource around itself.
The present invention also provides a kind of main control terminal, and positioned at virtual terminal system, which is used for, and terminal environments occur
During change, the Business Stream for the member terminal left in virtual terminal system is redirected to spare member's end by contextual information
End is transmitted, or contextual information carries out network switching, or the presentation mode of contextual information adjustment business.
In above-mentioned main control terminal, the main control terminal further comprises：It polymerize reconfigurable control module, contextual information processing
Module and resource discovery module；Wherein,
Resource discovery module, the contextual information of the terminal capability provided for contextual information processing module are excavated
Available terminal around main control terminal, and using the available terminal excavated out as spare member terminal；
It polymerize reconfigurable control module, for when the company for having member terminal disconnection and virtual terminal system in virtual terminal system
When connecing, the Business Stream of the member terminal is redirected to spare member terminal and is transmitted, reconstruct virtual terminal system.
In above-mentioned main control terminal, the main control terminal further comprises：It polymerize reconfigurable control module, contextual information processing
Module and resource discovery module；Wherein,
Polymerization reconfigurable control module is used for, and compares the contextual information of the terminal environments of contextual information processing module offer
In present access network RSS values and default first threshold value size, the RSS values of present access network are less than default
During the first threshold value, triggering resource discovery module search alternate access networks, and establish with the alternate access networks searched out standby
With connection；It is additionally operable to, compares the RSS values of present access network and the size of default second threshold value, present access network
When RSS values are less than default second threshold value, present access network is switched to alternate access networks.
In above-mentioned main control terminal, the main control terminal further comprises：It polymerize reconfigurable control module, contextual information processing
Module；Wherein,
It polymerize reconfigurable control module, for that cannot continue the current of main control terminal when the member terminal in virtual terminal system
During business, the Business Stream in the buffer area of setting is enabled；It is additionally operable to, when the terminal energy that contextual information processing module provides
Available terminal resource is not present around determining in the contextual information of power, and when the Business Stream in buffer area depletes, according to upper and lower
The presentation mode of literary information adjustment business.
In above-mentioned main control terminal, which further includes：Resource discovery module, for that can be used around searching for
Terminal resource；
The polymerization reconfigurable control module is additionally operable to, around there are during available terminal resource, according to the terminal searched
Resources re engineering virtual terminal system；
The resource discovery module is additionally operable to：When available terminal resource, and the Business Stream in buffer area is not present in surrounding
When not depleting, available terminal resource around is continued search for.
The present invention also provides a kind of virtual terminal system, including：It is main control terminal, at least one member terminal, at least one
Spare member terminal；Wherein,
Main control terminal, when changing for terminal environments, contextual information will be left in virtual terminal system
The Business Stream of member terminal is redirected to spare member terminal and is transmitted；Or, carry out network for contextual information and cut
Change, or the presentation mode for contextual information adjustment business.
Virtual terminal system provided by the invention and its method and main control terminal for ensureing business continuance, terminal environments
When changing, the main control terminal contextual information in virtual terminal system is whole by the member left in virtual terminal system
The Business Stream at end is redirected to spare member terminal and is transmitted, or contextual information carries out network switching, or according to upper
Context information adjusts the presentation mode of business, when terminal environments change, can ensure the continuity for the business that user uses, to
User provides optimal business experience.
Technique according to the invention scheme can specifically bring following beneficial effect：
1st, the limitation of terminal own resource (storage capacity, access capability etc.) is broken through, can be in terminal capability or end ring
In the case that border is limited, polymerization peripheral terminal provides optimal business experience to the user and QoS is ensured；
2nd, take into full account the demand of terminal mobility, changed according to terminal environments, can be according to user preference, terminal capability
Change with terminal environments turns to user and business is presented；
3rd, by introducing the mechanism of pre-configured backup network and spare connection, ensure main control terminal access network without seaming and cutting
Change；
4th, the caching mechanism of Business Stream is established, business is presented to user using rational presentation mode, ensures business at end
Continuity during end ring border is complicated and changeable.
Brief description of the drawings
Fig. 1 is that the present invention realizes that virtual terminal system ensures the flow signal of the embodiment one of the method for business continuance
Figure；
Fig. 2 is that the present invention realizes that virtual terminal system ensures the flow signal of the embodiment two of the method for business continuance
Figure；
Fig. 3 is that the present invention realizes that virtual terminal system ensures the flow signal of the embodiment three of the method for business continuance
Figure；
Fig. 4 is the structure diagram of virtual terminal system of the present invention.
Embodiment
The present invention basic thought be：When terminal environments change, the main control terminal in virtual terminal system is according to upper
The Business Stream for the member terminal left in virtual terminal system is redirected to spare member terminal and is transmitted by context information, or
Contextual information carries out network switching, or the presentation mode of contextual information adjustment business.
The present invention is described in further detail again below by drawings and the specific embodiments.
In the embodiment of the present invention, user carries out network insertion by main control terminal and opens service request, in main control terminal
Business demand module demand analysis is carried out to business, and extract the contextual information of main control terminal, required terminal carried out
Screening, determines the distribution capability for the system terminal that terminal environments need；Resource discovery module cycle in main control terminal to end
Collaboration terminal in end ring border is excavated；Collaboration of the polymerization reconfigurable control module in terminal environments in main control terminal is whole
End, polymerize the collaboration terminal of meet demand around main control terminal, forms a powerful virtual terminal system, main
Control terminal is the terminal for directly providing a user business presentation, and collaboration terminal is the member terminal in virtual terminal system；Master control
Interacted between terminal and member terminal by data transfer and modular converter, data transfer and modular converter be used for main control terminal with
The conversion of communication and agreement between member terminal；Tactful configuration module in main control terminal is according to each in virtual terminal system
The contextual information of member terminal, Business Stream is distributed for each member terminal, to business provide network and/or main control terminal with it is each into
The service transmission link of member's terminal, for carrying out business transmission；Virtual terminal system is presented according to pre-configured strategy to user
Business, as the audio of business polymerize to the bluetooth headset of main control device, is presented HD video etc. on the laptop of user.
In order to realize the continuity of the above-mentioned business presented to user, the present invention provides a kind of virtual terminal system and ensures industry
It is engaged in successional method, this method includes：
When terminal environments change, main control terminal contextual information in virtual terminal system is by virtual terminal system
The Business Stream for the member terminal left in system is redirected to spare member terminal and is transmitted, or contextual information carries out net
Network switches, or the presentation mode of contextual information adjustment business.
Wherein, it is inclined to include the contextual information of terminal capability, the contextual information of terminal environments and user for contextual information
Good contextual information, the contextual information processing module in main control terminal is responsible for preserving contextual information, and is supplied to master control
Other modules use in terminal；
The contextual information of terminal capability is the primary attribute and ability information of terminal, including terminal type, mark, presentation
Ability, the set for supporting business and transmission rate limitation etc.；Presentation ability includes screen resolution, storage size and processing
Speed etc.；
The contextual information of terminal environments is used for position and the net of main control terminal present access network for describing main control terminal
Network environment, the network environment of main control terminal present access network are used for the networking mode for describing main control terminal and main control terminal access
Mode of business network etc.；The network environment of present access network can be represented with the RSS values of present access network；
The contextual information of user preference is used for the use habit for describing customer service, including the inclined of type is presented in business
Requirement of good, service transmission rate, transmission quality and propagation delay time etc..
Embodiment one
Fig. 1 is that the present invention realizes that virtual terminal system ensures the flow signal of the embodiment one of the method for business continuance
Figure, when being that terminal environments change, main control terminal contextual information in virtual terminal system is by virtual terminal system
In the Business Stream of member terminal that leaves be redirected to the concrete methods of realizing that spare member terminal is transmitted, as shown in Figure 1,
This method comprises the following steps：
Step 101, main control terminal excavates the available terminal of surrounding according to the contextual information of terminal capability, and will excavate out
Available terminal as spare member terminal；
Specifically, in business transmitting procedure, in virtual terminal system, the contextual information processing module of main control terminal
The contextual information of the terminal capability of preservation is sent to the resource discovery module of main control terminal, resource discovery module is according to terminal
The contextual information of ability excavates available terminal around main control terminal, and is by the available terminal storage excavated out
Spare member terminal.
Step 102, when there is member terminal to disconnect the connection with virtual terminal system in virtual terminal system, main control terminal
The Business Stream of the member terminal is redirected to spare member terminal to be transmitted, reconstructs virtual terminal system；
Specifically, work as in virtual terminal system, if participating in the member terminal of polymerization process due to removing signal
Area or the constraint of electricity itself, disconnect with virtual terminal system, then the polymerization reconfigurable control module of main control terminal, which enables, deposits
The spare member terminal of storage, by the Business Stream of the member terminal disconnected with virtual terminal system, is redirected to spare member terminal,
Spare member terminal continues the transmission of Business Stream, realizes the reconstruct to virtual terminal system.
Embodiment two
Fig. 2 is that the present invention realizes that virtual terminal system ensures the flow signal of the embodiment two of the method for business continuance
Figure, when being that terminal environments change, the main control terminal contextual information in virtual terminal system carries out network switching
Concrete methods of realizing, as shown in Fig. 2, this method comprises the following steps：
Step 201, main control terminal compares the RSS values of present access network and the size of default first threshold value；
Specifically, when main control terminal is in moving process, the measurement main control terminal of bottom isl cycle is currently accessed
The RSS values of network, and the RSS values that measurement is obtained are supplied to contextual information processing module to be preserved, main control terminal is gathered
Close reconfigurable control module and the RSS values that measurement obtains, and the RSS values that the measurement is obtained are obtained from contextual information processing module
Compared with default first threshold value, when the RSS values that measurement obtains are less than the first threshold value, step 202 is performed, it is no
Then, the size for comparing RSS values and default first threshold value that measurement obtains is continued.
Step 202, when the RSS values of present access network are less than default first threshold value, main control terminal search is spare to be connect
Enter network, and spare connection is established with the alternate access networks searched out；
Specifically, when the RSS values that measurement obtains are less than the first threshold value, the polymerization reconfigurable control module of main control terminal is touched
Send out resource discovery module and search for available target access network, when resource discovery module searches for available target access network,
Resource discovery module can be obtained from contextual information processing module user preference contextual information and terminal environments it is upper
Context information, according to the contextual information of user preference and the contextual information of terminal environments in multiple available target access networks
In network, suitable target access network is selected, using the target access network selected as alternate access networks during switching, and is built
Stand the spare connection of the target access network and main control terminal.
Step 203, main control terminal compares the RSS values of present access network and the size of default second threshold value；
Specifically, the polymerization reconfigurable control module of main control terminal compare the RSS values of main control terminal present access network with it is pre-
If the second threshold value size, if the RSS values of main control terminal present access network are less than default second threshold value, perform
Step 204, otherwise, size of the RSS values with default second threshold value for comparing main control terminal present access network is continued；This
In, default first threshold value and the second threshold value are two threshold parameters, and the first threshold value is more than the second threshold value, master control
The RSS values of terminal present access network are bigger, represent that the network communication quality of main control terminal present access network is better.
Step 204, when the RSS values of present access network are less than default second threshold value, main control terminal will be currently accessed
Network switching is alternate access networks；
Specifically, when the RSS values of present access network are less than default second threshold value, the polymerization reconstruct control of main control terminal
Molding block carries out network switching, and present access network is switched to alternate access networks, carries out the reconstruct of virtual terminal system, and
Related proxy or Correspondent Node is notified to replace transmission path.
In the present embodiment, when the network quality of main control terminal present access network declines, main control terminal search target connects
Enter network and establish connection, therefore main control terminal establishes multiple network connections using multiple network interfaces, when needing to carry out net
When network switches, the redirection of data packet can be directly carried out, it is not necessary to carry out the registration and certification in network reconnection, Neng Gouyou
Effect reduces traffic delay caused by switching, so as to avoid the interruption of business.
Embodiment three
Fig. 3 is that the present invention realizes that virtual terminal system ensures the flow signal of the embodiment three of the method for business continuance
Figure, when being that terminal environments change, the presentation of the main control terminal contextual information adjustment business in virtual terminal system
The concrete methods of realizing of mode, as shown in figure 3, this method comprises the following steps：
Step 301, buffer area is set in the main control terminal of virtual terminal system；
Specifically, setting buffer area in virtual terminal system, will be obtained from virtual terminal system at each member terminal
The Business Stream taken preferentially fills buffering area；In practical application, caching can be distinguished into some parts, each member terminal and master
Each buffer area of some, can also be separately provided a buffer area in virtual terminal system in control terminal.
Step 302, when the member terminal in virtual terminal system cannot continue main control terminal current business when, enable slow
Deposit the Business Stream in area；
Specifically, when virtual terminal system reaches certain region in moving process, if can not obtain member terminal or
The member terminal negligible amounts that can be obtained, the polymerization reconstruct of the current business for the main control terminal that is not enough to continue, then main control terminal
Control module enables the buffer area set in virtual terminal system, and Business Stream is read from buffer area, to ensure to continue to user
Presentation business；
For example, main control terminal watches HD video by virtual terminal system, when virtual terminal system is moved to certain region
When, there is no member terminal, and when main control terminal is without bandwidth needed for high definition video steaming, main control terminal enables buffer area
In high definition video steaming.
Step 303, main control terminal searches for available terminal resource around itself, if there is available terminal resource, holds
Row step 304, if it does not, performing step 305；
Specifically, context of the resource discovery module of main control terminal according to the terminal capability obtained from context module
Information, searches for available terminal resource around main control terminal, if there is available terminal resource, step 304 is performed, if not
There are available terminal resource, performs step 305.
Step 304, main control terminal reconstructs virtual terminal system according to the terminal resource searched；
Specifically, the terminal resource that the polymerization reconfigurable control module of main control terminal is searched according to resource discovery module, weight
Structure virtual terminal system.
Step 305, main control terminal judges whether the Business Stream in buffer area depletes, if do not depleted, performs step
303, if Business Stream depletes, perform step 306.
Step 306, main control terminal contextual information, adjusts the presentation mode of business；
Specifically, the polymerization reconfigurable control module of main control terminal obtains contextual information from contextual information processing module,
The current network environment of user is known according to the contextual information of terminal environments therein, so that it is determined that current bandwidth situation；
The contextual information of terminal capability in contextual information and the contextual information of user preference, determine main control terminal is in
The preference of type is presented in existing ability and business；It polymerize presentation of the reconfigurable control module according to current bandwidth situation, main control terminal
The preference of type is presented in ability and business, adjusts the presentation mode of business；Here, can be preferential in the case where bandwidth allows
Select the optimal presentation mode of business experience；The presentation mode include high definition video steaming, low-resolution video stream, audio stream and
Written form etc..
To realize the above method, the present invention also provides a kind of virtual terminal system, Fig. 4 is virtual terminal system of the present invention
Structure diagram, as shown in figure 4, the virtual terminal system includes：Main control terminal 41, at least one member terminal 42, at least one
A spare member terminal 43；Wherein,
Main control terminal 41, when changing for terminal environments, contextual information will be left in virtual terminal system
The Business Stream of member terminal 42 be redirected to spare 43 terminal of member and be transmitted；Or, carried out for contextual information
Network switching, or the presentation mode for contextual information adjustment business.
The main control terminal 41 further comprises：It polymerize reconfigurable control module 411,412 and of contextual information processing module
Resource discovery module 413；Wherein,
Resource discovery module 413, the context letter of the terminal capability provided for contextual information processing module 412
Breath excavates available terminal around main control terminal, and using the available terminal excavated out as spare member terminal；
It polymerize reconfigurable control module 411, for when there is member terminal to disconnect and virtual terminal system in virtual terminal system
Connection when, the Business Stream of the member terminal is redirected to spare member terminal and is transmitted, reconstruct virtual terminal system.
Or, the main control terminal 41 further comprises：It polymerize reconfigurable control module 411, contextual information processing module 412
With resource discovery module 413；Wherein,
It polymerize reconfigurable control module 411, above and below the terminal environments provided for comparing contextual information processing module 412
The size of the RSS values of present access network in literary information and default first threshold value, the RSS values of present access network are less than
During default first threshold value, triggering resource discovery module 413 searches for alternate access networks, and the spare access net with searching out
Network establishes spare connection；It is additionally operable to, compares the RSS values of present access network and the size of default second threshold value, currently connect
When entering the RSS values of network and being less than default second threshold value, present access network is switched to alternate access networks.
Or, the main control terminal 41 further comprises：It polymerize reconfigurable control module 411, contextual information processing module
412；Wherein,
It polymerize reconfigurable control module 411, for that cannot continue main control terminal when the member terminal in virtual terminal system
During current business, the Business Stream in the buffer area of setting is enabled；It is additionally operable to, when contextual information processing module 412 provides
Terminal capability contextual information determine around available terminal resource is not present, and when the Business Stream in buffer area depletes,
Contextual information adjusts the presentation mode of business.
The main control terminal 41 further includes：Resource discovery module 413, for available terminal resource around searching for；
The polymerization reconfigurable control module 411 is additionally operable to, around there are during available terminal resource, according to the end searched
Hold Resources re engineering virtual terminal system；
The resource discovery module 413 is additionally operable to：When available terminal resource, and the business in buffer area is not present in surrounding
When stream does not deplete, available terminal resource around is continued search for.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, it is all
All any modification, equivalent and improvement made within the spirit and principles in the present invention etc., should be included in the protection of the present invention
Within the scope of.
Claims (11)
1. a kind of method that virtual terminal system ensures business continuance, it is characterised in that this method includes：
Main control terminal excavates the available terminal of surrounding, and the available terminal that will be excavated out according to the contextual information of terminal capability
As spare member terminal；
When terminal environments change, the main control terminal contextual information in virtual terminal system is by virtual terminal system
The Business Stream for the member terminal left is redirected to spare member terminal and is transmitted, wherein, the contextual information is included eventually
The contextual information of the contextual information of end ability, the contextual information of terminal environments and user preference；
Or network switching is carried out according to the contextual information of the terminal environments and the contextual information of user preference,
Or the presentation mode of business is adjusted according to the contextual information of terminal capability and the contextual information of user preference.
2. according to the method described in claim 1, it is characterized in that, the contextual information by virtual terminal system from
The Business Stream for the member terminal opened be redirected to spare member terminal be transmitted for：
Main control terminal excavates the available terminal of surrounding, and the available terminal that will be excavated out according to the contextual information of terminal capability
As spare member terminal；
When there is member terminal to disconnect the connection with virtual terminal system in virtual terminal system, main control terminal is whole by the member
The Business Stream at end is redirected to spare member terminal and is transmitted, and reconstructs virtual terminal system.
3. the according to the method described in claim 1, it is characterized in that, contextual information and use according to the terminal environments
The contextual information of family preference carries out network switching：
The RSS values of present access network in the contextual information of main control terminal comparison terminal environment and default first threshold value
Size, when the RSS values of present access network are less than default first threshold value, main control terminal search alternate access networks, and
Spare connection is established with the alternate access networks searched out；
Main control terminal compares the RSS values of main control terminal present access network and the size of default second threshold value, is currently accessed
When the RSS values of network are less than default second threshold value, present access network is switched to alternate access networks by main control terminal.
It is 4. according to the method described in claim 1, it is characterized in that, described inclined according to the contextual information of terminal capability and user
The presentation mode of good contextual information adjustment business is：
Buffer area is set in the main control terminal of virtual terminal system, and the member terminal in virtual terminal system cannot continue
During the current business of main control terminal, the Business Stream in buffer area is enabled；
When main control terminal determines according to the contextual information of terminal capability that available terminal resource to be not present around itself, and cache
When Business Stream in area depletes, main control terminal contextual information adjusts the presentation mode of business.
5. according to the method described in claim 4, it is characterized in that,
The main control terminal adjusts the presentation of business according to the contextual information of terminal capability and the contextual information of user preference
Before mode, this method further includes：Main control terminal searches for available terminal resource around itself；
This method further includes：If there are available terminal resource around main control terminal itself, main control terminal is according to searching
Terminal resource reconstruct virtual terminal system；
This method further includes：If available terminal resource is not present around main control terminal itself, and the Business Stream in buffer area
Do not deplete, then main control terminal continues search for available terminal resource around itself.
6. a kind of main control terminal, positioned at virtual terminal system, it is characterised in that the main control terminal is used for, according to terminal capability
Contextual information excavates the available terminal of surrounding, and using the available terminal excavated out as spare member terminal；Terminal environments
When changing, contextual information by the Business Stream for the member terminal left in virtual terminal system be redirected to it is spare into
Member's terminal is transmitted, wherein, the contextual information includes the contextual information of terminal capability, the context letter of terminal environments
The contextual information of breath and user preference；
Or network switching is carried out according to the contextual information of the terminal environments and the contextual information of user preference；
Or the presentation mode of business is adjusted according to the contextual information of terminal capability and the contextual information of user preference.
7. main control terminal according to claim 6, it is characterised in that the main control terminal further comprises：Polymerization reconstruct
Control module, contextual information processing module and resource discovery module；Wherein,
Resource discovery module, the contextual information of the terminal capability provided for contextual information processing module excavate master control
The available terminal of terminal surrounding, and using the available terminal excavated out as spare member terminal；
It polymerize reconfigurable control module, for when there is member terminal to disconnect and the connection of virtual terminal system in virtual terminal system
When, the Business Stream of the member terminal is redirected to spare member terminal and is transmitted, reconstructs virtual terminal system.
8. main control terminal according to claim 6, it is characterised in that the main control terminal further comprises：Polymerization reconstruct
Control module, contextual information processing module and resource discovery module；Wherein,
Polymerization reconfigurable control module is used for, in the contextual information for the terminal environments for comparing the offer of contextual information processing module
The size of the RSS values of present access network and default first threshold value, the RSS values of present access network are less than default first
During threshold value, triggering resource discovery module search alternate access networks, and spare company is established with the alternate access networks searched out
Connect；It is additionally operable to, compares the RSS values of present access network and the size of default second threshold value, the RSS values of present access network
During less than default second threshold value, present access network is switched to alternate access networks.
9. main control terminal according to claim 6, it is characterised in that the main control terminal further comprises：Polymerization reconstruct
Control module, contextual information processing module；Wherein,
It polymerize reconfigurable control module, for that cannot continue the current business of main control terminal when the member terminal in virtual terminal system
When, enable the Business Stream in the buffer area of setting；It is additionally operable to, when the terminal capability that contextual information processing module provides
Available terminal resource is not present around determining in contextual information, and when the Business Stream in buffer area depletes, based on context believes
Cease the presentation mode of adjustment business.
10. main control terminal according to claim 9, it is characterised in that the main control terminal further includes：Resource discovery module,
For available terminal resource around searching for；
The polymerization reconfigurable control module is additionally operable to, around there are during available terminal resource, according to the terminal resource searched
Reconstruct virtual terminal system；
The resource discovery module is additionally operable to：When available terminal resource is not present in surrounding, and the Business Stream in buffer area does not have
When depleting, available terminal resource around is continued search for.
11. a kind of virtual terminal system, it is characterised in that the system includes：Main control terminal, at least one member terminal, at least
One spare member terminal；Wherein,
Main control terminal, it is available for available terminal around being excavated according to the contextual information of terminal capability, and by what is excavated out
Terminal as spare member terminal, when terminal environments change, contextual information will be left in virtual terminal system
The Business Stream of member terminal be redirected to spare member terminal and be transmitted wherein, the contextual information includes terminal capability
Contextual information, the contextual information of terminal environments and the contextual information of user preference；Or, for the terminal environments
The contextual information of contextual information and user preference carries out network switching, or for the contextual information according to terminal capability and
The presentation mode of the contextual information adjustment business of user preference.
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| CN201110205059.0A CN102892149B (en) | 2011-07-21 | 2011-07-21 | A kind of virtual terminal system and its method and main control terminal for ensureing business continuance |
| PCT/CN2011/079050 WO2012151809A1 (en) | 2011-07-21 | 2011-08-29 | Virtual terminal system and method for ensuring service continuity thereof, and main control terminal |
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| CN105992252B (en) * | 2015-02-13 | 2021-07-09 | 北京三星通信技术研究有限公司 | Method and device for processing UE context of User Equipment (UE) |
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