CN101521680A - Dual-mode wireless thin terminal device and method for utilizing external computing resources - Google Patents
Dual-mode wireless thin terminal device and method for utilizing external computing resources Download PDFInfo
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Abstract
The invention discloses a dual-mode wireless thin terminal device and a method for utilizing external computing resources. In the device, a wireless direct-connection module, a wireless on-line module, a display module, an input equipment control module, an audio processing module, a peripheral interface module and a storage module are connected with an embedded type processor respectively; a display screen is connected with the display module; and the input equipment is connected with the input equipment control module. The method comprises the following steps: if a task can be independently completed by a thin terminal, the thin terminal carries out the task and feeds the result back to a user; if the task cannot be independently completed by the thin terminal, the dual-mode wireless thin terminal device utilizes adjacent computing resources to complete the task; and if the task cannot be independently completed by the thin terminal or the adjacent computing resources, the remove computing resources are utilized to complete the task. The device and the method have the advantages of wide range of application, high performance, multiple functions and low cost, and can be widely applied in the fields requiring the mobile computing capability.
Description
Technical field
The present invention relates to communication and computer realm, particularly a kind of dual-mode wireless thin terminal device and coupling thereof are utilized the method for external computing resources.
Background technology
Along with development of science and technology, computer becomes the indispensable instruments in aspect such as people's work, life, study, amusement day by day.Desktop personal computer and notebook computer are present people the most frequently used two kinds of equipment when using a computer resource, wherein desktop personal computer is with stronger calculation process ability and good scalability, in many occasions, obtained universal use, notebook computer has overcome then that the desktop computer volume is big, Heavy Weight, be inconvenient to arrange and shortcoming such as move, can carry by the user, also obtain application more and more widely in practice.But calculate because present desk-top or notebook computer all mainly focuses on the individual, require unit to have stronger independent process function, therefore high to the hardware performance requirement, cost an arm and a leg, bring bigger financial burden to the user.
The appearance of computer networking technology, make the privately owned software and hardware resources of a computer to be utilized by other computers, under many occasions to network in the calculation process Capability Requirement of single computer significantly reduce, therefore for the purpose that reduces system cost, thin terminal/thin client technology has appearred in recent years.Thin terminal/thin client only has simple disposal ability, and the server stronger by computer network and one or more function is connected, and user's task is sent to server handles, and to the result of user's feedback server process.This working method is expanded the disposal ability of thin terminal/thin client, can finish some comparatively complicated tasks, simultaneously because thin terminal/thin client itself does not need very strong disposal ability, therefore hardware configuration is simple, with low cost, enterprise low in energy consumption, as to be particularly suitable for needing to carry out a large amount of standardized calculation tasks, for example bank, hospital, hotel, insurance agency etc.
In existing thin terminal/thin client system, thin terminal/thin client need rely on computer network and be connected to specified server, the constituted mode of this system makes it exist bigger limitation in actual use, for example, the existing thin terminal/prerequisite of thin client operate as normal is to be connected to specified server by network, in the time in employed environment, can't being connected to this server, even near have other computers that vacant calculation process ability can be provided, they also can't utilize, and its field of employment is very limited; The common bandwidth of network that connects thin terminal/thin client and server is not high, can't satisfy the high speed data transfer (as real-time video etc.) of some tasks, transfer of data requirement when also being difficult to satisfy a plurality of tasks under a lot of situations and moving has simultaneously limited the performance of thin terminal/thin client; Thin terminal/thin client can only obtain service usually from specified server, the COS that can provide is subjected to the restriction of the COS that server can provide, be difficult to resemble have rich functions the normal computer, or the like.These limitations make existing thin terminal/thin client be applied to some special-purpose systems at present more, fail to resemble to be widely used in practice the personal computer.
People increase day by day to the demand of mobile computing device in recent years, and the shipment amount of 2007 notebook computers has surpassed desktop computer, and mobile computing is had higher requirement to the application place of thin terminal/thin client.Meanwhile, people are also improving constantly the performance of computing equipment and the pursuit of function.Existing thin terminal/thin client system obviously has been difficult to satisfy the demand of people to mobile computing device.
Summary of the invention
The objective of the invention is to overcome the prior art above shortcomings, dual-mode wireless thin terminal device is provided and utilizes the method for external computing resources, the present invention not only can be separately as a simple mobile computing unit, and can with the task unit, adopt the wireless direct-connected or bimodulus mode of getting online without being tethered to a cable adaptively, come to constitute thin terminal system by the task coupling with computational resource one or more vicinities or long-range, have applied widely, performance is strong, feature richness, the advantage that grade with low cost is outstanding can be widely used in the multiple field that needs the mobile computing ability.
Dual-mode wireless thin terminal device provided by the invention, comprise flush bonding processor, wireless direct-connected module, Wireless Internet access module, memory module, display module, display screen, input equipment, input control module, audio processing modules and Peripheral Interface module, described wireless direct-connected module, Wireless Internet access module, display module, the input device controls module, audio processing modules, the Peripheral Interface module, memory module is connected with described flush bonding processor respectively, described display screen is connected with display module, input equipment is connected with the input device controls module, wherein
Described wireless direct-connected module provides point-to-point high-speed radio to be connected for thin terminal with contiguous computational resource; Wireless Internet access module makes thin terminal can wirelessly insert computer network, to utilize the telecomputing resource;
Described display module, audio processing modules, input device controls module, Peripheral Interface module are respectively display screen, audio frequency apparatus, input equipment, external equipment and provide interface with being connected of flush bonding processor, and the input/output signal of display screen, audio frequency apparatus, input equipment, external equipment is handled and controlled;
Described memory module is used for the storage of program and data; Flush bonding processor is the core of system, finishes computing, the processing of data-signal, and controls the work of described each module.
Above-mentioned dual-mode wireless thin terminal device, described input equipment are one or both in touch-screen and the keyboard, and described input device controls module should be one or both in touch screen control module and the Keyboard Control module mutually.
Above-mentioned wireless direct-connected module can adopt the wireless transmission method of ultra broadband (UWB); Above-mentioned Wireless Internet access module can adopt the wireless transmission method of WiFi and/or 3G.
Dual-mode wireless thin terminal device provided by the invention utilizes the method for external computing resources, 4, each described dual-mode wireless thin terminal device of claim 1～3 utilizes the method for external computing resources, it is characterized in that when the user starts a certain task of execution by input equipment on thin terminal, adopting following steps to handle:
(1) if this task can independently be finished by thin terminal, then thin terminal is carried out this task and the result is fed back to the user;
(2) if the thin terminal of this task can't independently be finished, then finish this task by the contiguous computational resource of described dual-mode wireless thin terminal device utilization;
(3) if the thin terminal of this task can't independently be finished, also can't utilize contiguous computational resource to finish, then utilize the telecomputing resource to finish this task by described dual-mode wireless thin terminal device.
Above-mentioned dual-mode wireless thin terminal device utilizes the method for external computing resources, and the described computational resource by described dual-mode wireless thin terminal device utilization vicinity of step (2) is finished this task and comprised the steps:
(2.1) thin terminal is undertaken wireless direct-connected by described wireless direct-connected module and nearby computers, if do not have can with the direct-connected computer of thin terminal wireless, then stop to utilize contiguous computational resource, if having can with the direct-connected computer of thin terminal wireless, then enter step (2.2);
(2.2) thin terminal from all can wireless with it direct-connected computer, select one the service computer of the computer of required service as this task can be provided, and enter step (2.3); All can't provide required service if all can set up wireless direct-connected computer with thin terminal, then stop to utilize contiguous computational resource;
(2.3) thin terminal connects with the service computer of selecting, be sent completely the information and the data of this required by task to service computer by this connection, receive result or interactive information from this service computer, handle according to result or interactive information, this processing comprises that processor carries out computing or transfers data to display module or audio-frequency module data;
(2.4) after task is finished, thin terminal and the corresponding service processes of service computer structure bundle, and the cancellation connection relevant with this task.
Above-mentioned dual-mode wireless thin terminal device utilizes the method for external computing resources, and step (3) is described to be utilized the telecomputing resource to finish this task by dual-mode wireless thin terminal device to comprise the steps:
(3.1) thin terminal inserts computer network by described Wireless Internet access module, and enters step (3.2), if can't insert, then stops to attempt utilizing long-range computational resource;
(3.2) the thin terminal of accessed network attempts being connected with task match server in the computer network, and entering step (3.3), described task match server has write down the computer that vacant operational capability can be provided in the network and the information of the service that this computer can provide; If can't connect this server, then stop to attempt utilizing long-range computational resource;
(3.3) thin terminal is selected the information that the computer of required service can be provided by the task match server, as the service computer of this task, and enters step (3.4); If there is not computer that needed service can be provided, then stop to attempt utilizing long-range computational resource;
(3.4) thin terminal connects with the service computer of selecting, be sent completely the information and the data of this required by task to service computer by this connection, receive result or interactive information from service computer, handle according to result or interactive information, this processing comprises that processor carries out computing or transfers data to display module or audio-frequency module data;
(3.5) after task is finished, thin terminal and the corresponding service processes of service computer structure bundle, and the cancellation connection relevant with this task.
Above-mentioned dual-mode wireless thin terminal device utilizes the method for external computing resources, and described thin terminal is carried out the multi-task simultaneously.
Above-mentioned dual-mode wireless thin terminal device utilizes the method for external computing resources, and the computer that one of the described selection of step (2.2) can provide required service comprises the steps: as the service computer of this task
Thin terminal is obtained the service list that each computer can provide from can carry out wireless each direct-connected computer;
Thin terminal therefrom selects one the service computer of the computer of required service as this task can be provided.
Above-mentioned dual-mode wireless thin terminal device utilizes the method for external computing resources, and the computer that one of the described selection of step (2.2) can provide required service comprises the steps: as the service computer of this task
The task that thin terminal is finished needs is broadcasted to carrying out wireless each direct-connected computer;
Can provide the computer of this service to send response message to thin terminal;
Thin terminal is selected the service computer of a computer of replying as this task.
Above-mentioned dual-mode wireless thin terminal device utilizes the method for external computing resources, and selecting one described in the step (3.3) can provide the computer of required service to comprise the steps:
Can provide the computer of vacant operational capability in the network, the information of start back this computer of registration on described task match server and the service that can provide;
When thin terminal need use the telecomputing resource to carry out certain task, send task requests to the task match server;
After the task match server is received the task requests of thin terminal, search out the computer that this service can be provided in the registered computer;
By the task match server all can finish specify a service computer in the computer of this task as this task, its registered information is sent to thin terminal; Or task match server computerized information from this task to thin terminal that provide all can finish, therefrom select a service computer by thin terminal as this task.
Compared with prior art, the present invention has following usefulness:
1, applied widely.The present invention not only can be separately as a simple mobile computing unit, and can adopt wireless bimodulus mode and computational resource one or more vicinities or long-range direct-connected or that get online without being tethered to a cable to constitute thin terminal system adaptively, compare with existing thin terminal system, even the present invention is under the situation that can't be connected to computer network, still can wirelessly direct-connectedly utilize contiguous computational resource to constitute powerful thin terminal system to serve by point-to-point for the user, significantly reduced dependence to environment for use, have the wider scope of application, be particularly suitable for the often application of variation of environment for use such as mobile computing.
2, high-performance.The present invention is that unit comes contiguous or long-range computational resource are mated utilization with the task, the different task that is same thin terminal can be distributed to different computer run, compare with existing thin terminal system with fixed server, can utilize contiguous or long-range computational resource more fully, make thin terminal have stronger disposal ability.In addition, compare with the thin terminal that existing utilized bandwidth shared network is connected with server, the present invention can provide very high message transmission rate in point-to-point wireless connections mode, therefore some tasks very high (for example real-time video transmission etc.) can be finished, and the data parallel transmission of a plurality of tasks can be supported well the transfer of data rate requirement.
3, feature richness.The present invention can task be that unit utilizes the computer on many networks to be its service simultaneously, because the computer on the network has abundant software and hardware resources, therefore the present invention also can provide various types of services according to the specific needs of each user, compare with the existing thin terminal of the service that provides on the server of can only utilizing, the present invention no longer is confined to specific system and purposes, uses and can be used as general calculation equipment.
The present invention need not very strong operation independent disposal ability, so cost is low, and volume is little, and energy consumption is low, is convenient for carrying, owing to adopted wireless connected mode, uses flexibly simultaneously.
Description of drawings
Fig. 1 is the hardware block diagram of the embodiment of the invention;
Fig. 2 is task handling flow chart of the embodiment of the invention;
Fig. 3 finishes the process chart of appointed task for the contiguous computational resource of thin terminal utilization in the embodiment of the invention;
Fig. 4 utilizes the network calculations resource to finish the process chart of appointed task for thin terminal in the embodiment of the invention.
Embodiment
Below in conjunction with a preferred embodiment of the present invention, specify embodiments of the present invention:
The hardware configuration of present embodiment as shown in Figure 1, by wireless direct-connected module 101, Wireless Internet access module 102, memory module 103, Peripheral Interface module 104, flush bonding processor 105, display module 106, display screen 107, touch-screen/Keyboard Control module 108, touch-screen/keyboard 109, audio processing modules 110 constitutes jointly, wherein wireless direct-connected module, Wireless Internet access module, display module, touch-screen/Keyboard Control module, audio processing modules, the Peripheral Interface module, memory module all is connected with flush bonding processor, display screen, touch-screen/keyboard respectively with display module, touch-screen/Keyboard Control module connects.
Above-mentioned wireless direct-connected module can adopt the wireless transmission method of UWB for thin terminal provides point-to-point high-speed radio to be connected with contiguous computational resource, realizes with special-purpose UWB chip, for example the AL4100 of Alereon.The UWB technology can provide in 10 meters scope and be up to the point-to-point wireless direct-connected message transmission rate of 480Mbps, can satisfy the transfer of data requirement of most of tasks.The network wireless that above-mentioned Wireless Internet access module is finished thin terminal inserts, can adopt WiFi (local), 3G wireless network access waies such as (wide areas) separately, also can adopt the dual-mode wireless network access way of WiFi and 3G simultaneously, realize with special-purpose WiFi and/or 3G chip circuit.Display module, audio processing modules, touch-screen/Keyboard Control module are respectively display screen, audio frequency apparatus, touch-screen/keyboard and provide interface with being connected of flush bonding processor, can adopt corresponding circuit to realize.The Peripheral Interface module provides the Peripheral Interface of standard for thin terminal, and for example USB interface, serial line interface or parallel interface etc. can adopt corresponding circuit to realize.Above-mentioned memory module is used for the storage of program and data, can adopt FLASH chip and peripheral circuit thereof to realize.Above-mentioned flush bonding processor is the core of system, finishes computing, processing, controls the function of each module work, can adopt processor chips such as ARM and peripheral circuit thereof to realize.
The software of the foregoing description comprises operating system, local application software, remote application software image, remote task Executive Module.Operating system can adopt embedded OSs such as WindowCE or Linux; The task that local application software is used to finish that some are lower to the software and hardware resources requirement, can independently be finished by thin terminal, for example word processing, viewing files, records store data etc., this class application software is installed on the thin terminal fully, can be at any time by thin terminal independent operating; For some software and hardware resources is required than higher, task of need utilize thin terminal computational resource in addition to finish, the foregoing description is finished jointly by remote application software image and remote task Executive Module, the remote application software image is to need the task of long-range execution and the interface between the user, the user can start the remote task that needs execution by the remote application software image, import required order or data, and the result of demonstration or processing remote task, because the software agent of finishing the work is on other computers, main calculating and processing are finished by other computers, therefore this reflection only need be finished simple input/output function, does not need to take a lot of software and hardware resources; The remote task Executive Module is finished the telecommunication management between various remote task and the service computer, after the user starts the remote application software image, can seek the computer that required service can be provided by the remote task Executive Module behind the remote application software image, and carry out on the service computer corresponding service software.
Corresponding with thin terminal, be used to thin terminal to provide the terminal management software that matches is installed on the computer of service, telecommunication management and the task executions thereof of this software in order to finish computer and thin terminal, also be equipped with network access equipment (for example network interface card etc.) on the computer inserting computer network, or be equipped with wireless direct-connected equipment (for example UWB transceiver etc.) to realize wireless direct-connected with thin terminal.
The foregoing description can be connected with external computing resources by the wireless direct-connected or two kinds of patterns of getting online without being tethered to a cable, cooperation by software and hardware, the foregoing description according to environment for use with execute the task differently can be operated in independence, direct-connected, direct-connected+four kinds of patterns of network that network or three mix, in the environment for use of thin terminal, can't be connected to contiguous computer, in the time of also can't inserting computer network, be operated in stand-alone mode, this moment, all tasks of user were all finished separately by it, because it is lower that handle operational capability this moment, therefore can only provide some simple services, for example records store data for the user, viewing files etc.Can wireless direct-connected computer but can't be connected to computer network the time when having in the environment for use of thin terminal, be operated in direct-connected pattern, in this pattern, thin terminal can utilize one or more contiguous computer to come to provide service for the user, therefore can finish some to the calculation process Capability Requirement than higher task, but the COS that the task type that can carry out is closed on computer can be provided limits; When thin terminal can't independently be finished this task, also can't be connected to contiguous computer, but in the time of can inserting computer network, be operated in network schemer, in this pattern, thin terminal utilizes that one or more computer comes to provide service for the user on the computer network, also can finish some to the calculation process Capability Requirement than higher task, be subjected to certain restriction but compare message transmission rate with direct-connected pattern; Both can be connected to contiguous computer in the environment for use of thin terminal, in the time of can being connected to computer network again, be operated in direct-connected+network schemer, can utilize contiguous or long-range computer to finish a plurality of required tasks this moment simultaneously.
The foregoing description start and finish the preliminary examinationization of various software and hardwares after, the user can import various command by input equipment, starts different application software and comes to be its service.The foregoing description is that unit comes contiguous or long-range computational resource are mated utilization with the task, behind a certain task start, adopts following method to finish this task, its flow process as shown in Figure 2:
If 1 this task can independently be finished by thin terminal, then thin terminal is carried out this task and the result is fed back to the user.For local application software, owing to be installed on the thin terminal fully, and can be by thin terminal independent operating, therefore thin terminal is directly carried out this task, by input equipment (as keyboard, touch-screen etc.) input command or data, and result fed back to the user by output equipment (as display screen, audio output port etc.), this moment need not to set up thin terminal and other computational resources connect.
If the thin terminal of 2 these tasks can't independently be finished, then attempt utilizing contiguous computational resource to finish.Video for remote application, because the wireless direct-connected message transmission rate that can provide higher of comparing with wireless Internet access, can satisfy the concurrent output transmission requirement of a plurality of tasks better, also can finish some tasks higher to the transfer of data rate requirement, therefore in the foregoing description, thin terminal preferentially attempts utilizing contiguous computational resource to finish remote task.After the user started the remote application software image, this reflection sent application to long-range Executive Module, and enabled the wireless direct-connected module of hardware, its workflow as shown in Figure 3, step is as follows:
(1) thin terminal by wireless direct-connected module attempt with nearby computers carry out wireless direct-connected, if do not have can with the direct-connected computer of thin terminal wireless, then stop to attempt utilizing contiguous computational resource.In the foregoing description, the UWB Radio Transmission Technology that wireless direct-connected module adopts can be searched for other UWB node automatically in 10 meters scopes when work, can detect easily therefore whether have can be with the wireless direct-connected computer of UWB mode.
(2) thin terminal from all can wireless with it direct-connected computer, select one the service computer of the computer of required service as this task can be provided.All can't provide required service if all can set up wireless direct-connected computer with thin terminal, then stop to attempt utilizing contiguous computational resource.The selection of service computer can be adopted multiple mode, and for example, the method that a kind of service computer is selected is: (a) thin terminal is from obtaining the service list that they can provide by wireless direct-connected computer.The remote task Executive Module of thin terminal sends the solicited message of " obtaining service list " to all computers that can be attached thereto by wireless direct-connected module, after contiguous computer received this solicited message by its wireless direct-connected equipment, the service list that this machine can be provided sent it back thin terminal by wireless direct-connected equipment.In addition, computer can also send to thin terminal with information such as the operational capability of the software and hardware configuration of this machine, current residual and memory headrooms, for thin selection service host provides reference.(b) thin terminal is selected one the service computer of the computer of required service as this task can be provided.After thin terminal receives the service list of each computer, can select or of selecting automatically wherein by predefined strategy (for example select data transmission bauds the fastest, remain the best computer of operational capability etc.) can provide the service computer of the computer of required service as this task by the user is manual.The system of selection of another kind of service computer is: (a) thin terminal task that needs are finished is to can wireless direct-connected computer broadcasting.The remote task Executive Module of thin terminal sends the relevant information (for example application name etc.) of need finishing of task and carries out request to all computers that can be attached thereto by wireless direct-connected module.(b) can provide the computer of this service to send response message to thin terminal.The computer that receives the request of execution checks by its terminal management software whether this machine (for example can finish this task, whether installed and open this application program), if can, then send response message to the thin terminal of sending the request of execution by terminal management software, the information such as operational capability, memory headroom that also can comprise configuration, the current residual of this machine in this information is for thin selection service host provides reference.(c) thin terminal is selected the service computer of a computer of replying as this task.After thin terminal receives the service list of each computer, can select or of selecting automatically wherein by predefined strategy (for example select data transmission bauds the fastest, remain the best computer of operational capability etc.) can provide the service computer of the computer of required service as this task by the user is manual.
(3) thin terminal connects with selected service computer, is sent completely the information and the data of this required by task by this connections to service computer, from service computer reception result or interactive information, shows or handles.Behind the service computer of selected this task, thin terminal is by the remote application software image, Terminal Service software in remote task Executive Module and the service computer connects, be sent completely the information and the data of this required by task to service computer by the Radio Link of physics, service computer receives information and data by terminal management software, and start corresponding service routine and handle, the result who handles sends to thin terminal by terminal management software, thin terminal is by the remote application software image, the remote task Executive Module receives result or interactive information from service computer, shows or handles.
(4) after task is finished, thin terminal and the corresponding service processes of service computer structure bundle, and the cancellation connection relevant with this task.
If the thin terminal of 3 these tasks can't independently be finished, also can't utilize contiguous computational resource to finish, then attempt utilizing the telecomputing resource to finish.In the foregoing description, this process is by a task match server in the computer network, realize by the remote terminal administration module on the computer that service respectively is provided in remote task Executive Module on the thin terminal and the network, the course of work as shown in Figure 4, its step is as follows:
(1) thin terminal attempts inserting computer network by Wireless Internet access module, if can't insert, then stops to attempt utilizing long-range computational resource.Thin terminal detects whether can insert computer network by Wireless Internet access module, if can insert and connection as yet at present, then inserts computer network by Wireless Internet access module.If adopt the wireless Internet access mode of WiFi mode, can first access to LAN, utilize the local computational resource by local area network (LAN) again or further be connected to the computational resource of wide area, if adopt the wireless Internet access mode of 3G, then be directly connected to wide area network, utilize the computational resource of wide area.If can't insert computer network, then stop to attempt utilizing long-range computational resource,
(2) the thin terminal of accessed network attempts being connected with task match server in the computer network, this server record the computer of vacant operational capability and the information of the service that they can provide can be provided in the network.If can't connect this server, then stop to attempt utilizing long-range computational resource.The thin terminal of accessed network, its remote task Executive Module attempt logging on a task match server in the computer network.The task match server is one and has write down the computer that vacant operational capability can be provided in the network and the computer or the server host of the service that they can provide, can the information of Internet resources be provided or be suitable service host of thin terminal selection for thin terminal, its service routine is by termination management module, the computer management module, the service registration module, the task matching module constitutes, and realizes the thin terminal landed and the management of computer respectively, the service that computer provided and the management of computer mode, and the selection coupling that matches and realize the service computer of certain task in the thin terminal with the terminal management software of the remote task Executive Module of thin terminal and computer.
(3) thin terminal is selected the information that the computer of required service can be provided by the task match server, as the service computer of this task.If there is not computer that needed service can be provided, then stop to attempt utilizing long-range computational resource.The present invention is that unit comes contiguous or long-range computational resource are mated utilization with the task, in the foregoing description, thin terminal has adopted following method to come to obtain the information that the computer of this service can be provided from the task match server: the computer of (a) being ready to provide vacant operational capability the network, start back is by its terminal management software register machine information and service that can provide on the task match server, the network address that the information of this machine comprises computer with and information such as software and hardware configuration, the service that can provide refers to that this computer can provide the application program of being used by thin terminal.When (b) thin terminal need use the telecomputing resource to carry out certain task, send task requests to the task match server by the remote task Executive Module.This request comprises the application name that needs are carried out, and can add and carry out this required by task software and hardware requirement, for example configuration of computer, request memory, hard drive space requirement etc.(c) after the task match server is received the task requests of thin terminal, search out the computer that this service can be provided in the registered computer.The task match server is in computer that has write down and service list, search out the computer of the condition that satisfies the request that thin terminal sends over, for example, thin terminal need be carried out the WORD application program, and then match server comes out at all computer searches that can provide WORD to serve of record.(d) can finish at all by the task match server and specify an available computer in the computer of this service that requires, its information is sent to thin terminal; Or task match server computer-list from this service that requires to thin terminal that provide all can finish, select a computer by thin terminal, and from the task match server, obtain the relevant information of this computer.The selection that realizes service host has multiple criterion and method, for example, can select with the fastest computer of thin terminal connection speed as service computer, its method is: after 1. the task match server searches out the computer that service can be provided, provide these computers and address list to thin terminal.2. the long-range Executive Module of thin terminal is according to computer and address list, computer in tabulation sends test pack one by one, after remote communication module in the computer receives this bag, at once send response packet to thin terminal, the speed that thin terminal is replied according to main frame is determined the connection speed between itself and the main frame.3. thin terminal is selected fastest main frame as service host.Also can select the strongest computer of current calculation resources as service computer, its method is: no matter 1. service host is selected by task match server or terminal, needing before selection can provide the computer of specified services to send the request of this Computing resource of inquiry to all.If service host is selected by terminal, the task match server also needs qualified computer and address list are offered thin terminal before this.2. receive the computer of inquiry calculation resources request, check current self vacant calculation resources, and relevant information is sent to task match server or terminal.Calculation resources can comprise current C PU occupancy, memory usage etc.3. the calculation resources information returned according to each computer of task match server or thin terminal, and the configuring condition of computer selects the strongest computer of current vacant calculation resources as service computer.For the task match server, can select automatically according to predetermined method, for thin terminal, both can select automatically according to predetermined method, also can select by hand by the user.
(4) thin terminal connects with selected service computer, is sent completely the information and the data of this required by task by this connections to service computer, from service computer reception result or interactive information, shows or handles.Behind the service computer of selected this task, thin terminal is by the remote application software image, Terminal Service software in remote task Executive Module and the service computer connects, be sent completely the information and the data of this required by task to service computer by computer network, service computer receives information and data by terminal management software, and start corresponding service routine and handle, the result who handles sends to thin terminal by terminal management software, thin terminal is by the remote application software image, the remote task Executive Module receives result or interactive information from service computer, shows or handles.
(5) after task is finished, thin terminal and the corresponding service processes of service computer structure bundle, and the cancellation network relevant with this task connects.
Claims (10)
1, a kind of dual-mode wireless thin terminal device, it is characterized in that comprising flush bonding processor, wireless direct-connected module, Wireless Internet access module, memory module, display module, display screen, input equipment, input control module, audio processing modules and Peripheral Interface module, described wireless direct-connected module, Wireless Internet access module, display module, the input device controls module, audio processing modules, the Peripheral Interface module, memory module is connected with described flush bonding processor respectively, described display screen is connected with display module, input equipment is connected with the input device controls module, wherein
Described wireless direct-connected module provides point-to-point wireless connections for the computer of thin terminal and thin terminal vicinity; Wireless Internet access module makes thin terminal can wirelessly insert computer network, to utilize the telecomputing resource;
Described display module, audio processing modules, input device controls module, Peripheral Interface module are respectively display screen, audio frequency apparatus, input equipment, external equipment and provide interface with being connected of flush bonding processor, and the input/output signal of display screen, audio frequency apparatus, input equipment, external equipment is handled and controlled;
Described memory module is used for the storage of program and data; Flush bonding processor is finished computing, the processing of data-signal, and controls the work of described each module.
2, dual-mode wireless thin terminal device according to claim 1, it is characterized in that described input equipment is one or both in touch-screen and the keyboard, described input device controls module should be one or both in touch screen control module and the Keyboard Control module mutually.
3, dual-mode wireless thin terminal device according to claim 1 is characterized in that described wireless direct-connected module adopts the super wideband wireless transmission means; The wireless transmission method of one or both among described Wireless Internet access module employing WiFi and the 3G.
4, each described dual-mode wireless thin terminal device of claim 1～3 utilizes the method for external computing resources, it is characterized in that adopting following steps to handle when the user starts a certain task of execution by input equipment on thin terminal:
(1) if this task can independently be finished by thin terminal, then thin terminal is carried out this task and the result is fed back to the user;
(2) if the thin terminal of this task can't independently be finished, then finish this task by the contiguous computational resource of described dual-mode wireless thin terminal device utilization;
(3) if the thin terminal of this task can't independently be finished, also can't utilize contiguous computational resource to finish, then utilize the telecomputing resource to finish this task by described dual-mode wireless thin terminal device.
5, method according to claim 4 is characterized in that step (2) is described to finish this task by the contiguous computational resource of described dual-mode wireless thin terminal device utilization and comprise the steps:
(2.1) thin terminal is undertaken wireless direct-connected by described wireless direct-connected module and nearby computers, if do not have can with the direct-connected computer of thin terminal wireless, then stop to utilize contiguous computational resource, if having can with the direct-connected computer of thin terminal wireless, then enter step (2.2);
(2.2) thin terminal from all can wireless with it direct-connected computer, select one the service computer of the computer of required service as this task can be provided, and enter step (2.3); All can't provide required service if all can set up wireless direct-connected computer with thin terminal, then stop to utilize contiguous computational resource;
(2.3) thin terminal connects with the service computer of selecting, be sent completely the information and the data of this required by task to service computer by this connection, receive result or interactive information from this service computer, handle according to result or interactive information, this processing comprises that processor carries out computing or transfers data to display module or audio-frequency module data;
(2.4) after task is finished, thin terminal and the corresponding service processes of service computer structure bundle, and the cancellation connection relevant with this task.
6, method according to claim 4 is characterized in that step (3) is described to utilize the telecomputing resource to finish this task by dual-mode wireless thin terminal device to comprise the steps:
(3.1) thin terminal inserts computer network by described Wireless Internet access module, and enters step (3.2), if can't insert, then stops to attempt utilizing long-range computational resource;
(3.2) the thin terminal of accessed network attempts being connected with task match server in the computer network, and entering step (3.3), described task match server has write down the computer that vacant operational capability can be provided in the network and the information of the service that this computer can provide; If can't connect this server, then stop to attempt utilizing long-range computational resource;
(3.3) thin terminal is selected the information that the computer of required service can be provided by the task match server, as the service computer of this task, and enters step (3.4); If there is not computer that needed service can be provided, then stop to attempt utilizing long-range computational resource;
(3.4) thin terminal connects with the service computer of selecting, be sent completely the information and the data of this required by task to service computer by this connection, receive result or interactive information from service computer, handle according to result or interactive information, this processing comprises that processor carries out computing or transfers data to display module or audio-frequency module data;
(3.5) after task is finished, thin terminal and the corresponding service processes of service computer structure bundle, and the cancellation connection relevant with this task.
7, method according to claim 4 is characterized in that described thin terminal carries out the multi-task simultaneously.
8, method according to claim 5 is characterized in that computer that one of the described selection of step (2.2) can provide required service comprises the steps: as the service computer of this task
Thin terminal is obtained the service list that each computer can provide from can carry out wireless each direct-connected computer;
Thin terminal therefrom selects one the service computer of the computer of required service as this task can be provided.
9, method according to claim 5 is characterized in that computer that one of the described selection of step (2.2) can provide required service comprises the steps: as the service computer of this task
The task that thin terminal is finished needs is broadcasted to carrying out wireless each direct-connected computer;
Can provide the computer of this service to send response message to thin terminal;
Thin terminal is selected the service computer of a computer of replying as this task.
10, method according to claim 6 is characterized in that selecting one described in the step (3.3) can provide the computer of required service to comprise the steps:
Can provide the computer of vacant operational capability in the network, the information of start back this computer of registration on described task match server and the service that can provide;
When thin terminal need use the telecomputing resource to carry out certain task, send task requests to the task match server;
After the task match server is received the task requests of thin terminal, search out the computer that this service can be provided in the registered computer;
By the task match server all can finish specify a service computer in the computer of this task as this task, its registered information is sent to thin terminal; Or task match server computerized information from this task to thin terminal that provide all can finish, therefrom select a service computer by thin terminal as this task.
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| CN200910038063A CN101521680A (en) | 2009-03-20 | 2009-03-20 | Dual-mode wireless thin terminal device and method for utilizing external computing resources |
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| CN200910038063A CN101521680A (en) | 2009-03-20 | 2009-03-20 | Dual-mode wireless thin terminal device and method for utilizing external computing resources |
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