CN1864371B - Communication system providing adaptive polling based upon positive and negative polling events and related methods - Google Patents
Communication system providing adaptive polling based upon positive and negative polling events and related methods Download PDFInfo
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Abstract
A communications system may include at least one data storage device for storing messages for respective users, and a plurality of mobile wireless communications devices each associated with a respective user for accessing the messages stored on the at least one data storage device. Moreover, the communications system may further include an adaptive polling engine for polling the at least one data storage device for stored messages and providing the polled messages to mobile wireless communications devices of respective users. The adaptive polling engine may advantageously learn respective user usage patterns for each mobile wireless communications device, and change a respective rate of polling for each mobile wireless communications device based thereon.
Description
Technical field
The present invention relates to field of wireless communications, more specifically relate to electronic information and correlation technique.
Background technology
The E-mail address is used to storage of email messages.Email links to each other with the internet, collects mail and the email message of posting a letter so that the user sends and receives.These mailboxes can also be extended to via wireless network and transmit Email to mobile radio communication device.With regard to company, the E-mail address normally is arranged on the mail server of company.On the other hand, small business or individual's mailbox is set on the mail server at ISP (ISP) place usually.
Mail user agent (MUA) uses so-called poll (polling) technology message to be delivered to the mailer of subscriber computer or mobile radio communication device from mail server.MUA a kind ofly operates in the program on the individual subscriber calculation element (move or fixing) or operates in program on the share service device, a large amount of these users' of share service device inspection representative new mail.More particularly, poll be on the mail server from the retrieval of other user's collection of letters message, and these message are sent to user's mailbox.
The mailbox poll normally occurs with the different time intervals or speed.In addition, can customize the mailbox poll rate.That is to say that company and/or ISP can change the time interval of poll, so that can satisfy their special requirement best.For example, owing to be used for the normally communication of high priority of Email of business correspondence, therefore poll Company Mail server more regularly is such as carried out poll every 1 or 2 minute.On the other hand, the frequency of poll ISP mailbox is less usually, for example once every 15 minutes.
Usually with preset time the mailbox poll takes place synchronously on mail server at interval.Mailbox on the server is carried out poll, thereby send or receive message, and no matter whether mailbox has any new collection of letters or the message of posting a letter.In large scale system, this traditional polling method can consume a large amount of server resources, thereby influences performance.
More particularly, this resource consumption can be divided into two parts, i.e. resource consumption (RC) and the resource consumption on MUA on mail server (MS).Resource consumption on RC or MS increases along with poll frequency, and is especially when MUA operates on the portable radio, high especially for the demand of resource.When using mobile radio communication device, the influence of this resource consumption and correlated performance is responsive especially.This is that mobile radio communication device is to communicate with mail server on wireless network because the bandwidth constraints relevant with wireless network causes.For example, after each polling interval, may need to send to message data hundreds of or even thousands of mobile radio communication device as the mail server of thousands of or more mailbox main frames.This is the radio jamming network seriously, and produces very large service delay.In addition, some mail servers may and be not suitable for supporting this use pattern.
Therefore, when one or more conditions below meeting, traditional mailbox poll just can not be carried out well, and these conditions are: a large amount of mailbox of (1) poll; (2) poll frequency height; (3) MUA is in on the slow and/or expensive network of the connection of MS; (4) Lei Ji poll live load may overwhelm the capacity of network.A kind of existing method that is used to address this is that is an adaptive polling.Adaptive polling is a kind of method of the more intelligent poll mailbox based on trigger event.More particularly, adaptive polling automatically changes user's polling interval based on trigger event.
As example, the U.S. patent No. 6,557,026 has been described and a kind of information has been converted to the system of audio format from text formatting, in this system, via the wired or wireless communication link information is sent to client apparatus from server.Particularly, this information relates to " report (story) ", such as headline, stock quotation etc.This server comprises data source monitor, and it is based on poll timetable (scheduler) polling data source termly, to check new report.This patent is mentioned the poll timetable especially can comprise the adaptive scheduling program, and it is along with the arrival rate of new report increases poll frequency.In addition, along with reducing of the arrival rate of new report, this adaptive scheduling program reduces poll rate.For example, also comprise static schedulers, being used to the time of being on duty per hour provides once poll.
Although there is this system, being desirably in the polling technique aspect has further improvement, so that adapt to the application of growing mobile radio communication device visit electronic information.
Summary of the invention
In view of aforesaid background, therefore purpose of the present invention provides a kind of communication system and correlation technique, and this communication system can provide the adaptive polling technology of enhancing.
Provide according to this purpose of the present invention and other purpose, feature and advantage by communication system, this communication system can comprise: at least one data storage device, this data storage device are used to store corresponding (respective) user's message; A plurality of mobile radio communication devices, each mobile radio communication device is associated with corresponding user, is used to visit the message of storing at least one data storage device.In addition, this communication system can also comprise: the adaptive polling engine, this adaptive polling engine is used at least one data storage device of poll storing message, and the message of poll is offered the portable radio of relative users.This adaptive polling engine can advantageously be learnt the relative users of each mobile radio communication device and use pattern, and uses pattern to change the corresponding poll rate of each mobile radio communication device based on the user.
As example, the user use pattern can based in the moment in one day and/or the week the sky.In addition, this adaptive polling engine can also change the poll rate to each mobile radio communication device based at least one positive poll event and at least one negative poll event.For example, described at least one negative poll event comprises lacking with the mandate (authorized) of adaptive polling engine communicates by letter, this situation can be to be positioned at the outside of wireless coverage area when given mobile radio communication device, or invalid user's registration is provided.
In addition, this at least one negative poll event can be the minimizing at the message stores of relative users at least one data storage device.Similarly, this at least one positive poll event can be the increase to the message stores of relative users at least one data storage device, and in the increase from the message access requests of specifying mobile radio communication device.
Particularly, this message can for example be Email (Email) message.This communication system can also comprise wireless network, and this wireless network is used for mobile radio communication device and adaptive polling engine are joined.For example, such as the wide area network (WAN) of internet can be applied to joining mobile radio communication device and adaptive polling engine.
Method of the present invention aspect provides a kind of method that a plurality of mobile radio communication devices are linked to each other with at least one data storage device, and each mobile radio communication device is associated with corresponding user.This at least one data storage device can be used to store the message of relative users.This method can comprise: at least one data storage device of poll storing message, and the message of poll is offered the mobile radio communication device of relative users.In addition, this method can also comprise that study uses pattern at the relative users of each mobile radio communication device, and uses pattern to change corresponding poll rate to each mobile radio communication device based on the user.
Adaptive polling engine according to the present invention can be used for a plurality of mobile radio communication devices and at least one data storage device are joined, and each mobile radio communication device is associated with corresponding user.This at least one data storage device can be used to store the message of relative users.This adaptive polling engine can comprise: interface module, this interface module are used for adaptive polling engine and mobile radio communication device are joined; And an adaptive polling engine modules, link to each other with interface module.This adaptive polling engine modules can be used at least one data storage device of poll storing message, and the message of poll is offered the mobile radio communication device of relative users.In addition, this adaptive polling engine modules can be learnt to use pattern at the relative users of each mobile radio communication device, and uses pattern to change corresponding poll rate at each mobile radio communication device based on the user.
Can comprise interface module and adaptive polling engine modules similarly according to computer-readable medium of the present invention, they have the feature such as top concise and to the point narration.
Description of drawings
Fig. 1 is the schematic block diagram according to communication system of the present invention.
Fig. 2 is the flow chart of explanation according to adaptive polling method of the present invention.
Fig. 3 is the schematic block diagram that is applied to exemplary mobile radio communication device of the present invention.
Embodiment
Hereinafter the present invention is more comprehensively narrated now with reference to accompanying drawing, shown the preferred embodiments of the present invention in the accompanying drawing.Yet the present invention can embody with many different forms, invention should not be construed as the embodiment that is confined to herein to be stated.Or rather, these embodiment that provide are in order to make content disclosed herein comprehensively with complete, so that those of ordinary skill in the art understands that content disclosed herein will give full expression to scope of the present invention.The element that similar in the text numeral is similar.
At first with reference to Fig. 1, comprise to communication system 100 illustrative a plurality of mobile radio communication devices 101 and wireless network 102 and wide area network 104 (for example internet), this wireless network 102 and wide area network 104 are used for mobile communications device and adaptive polling engine or server 105 are joined.Adaptive polling engine 105 communicates with a plurality of data servers 110, and for example this data server 110 is mail server 112, application server 112 and Web server 114.Certainly, just as one of ordinary skill in the art understand, although, in the example of being demonstrated, only shown three servers 112 for demonstrating purpose clearly, 114 and 116, but data server 110 and polytype data server of greater number can be used.
As one of ordinary skill in the art understand, mobile radio communication device 101 illustrative ground carries out two-way communication by wireless network 102 and internet 104 with adaptive polling engine 108.Equally as one of ordinary skill in the art understand, in all embodiment, mobile radio communication device 101 may not need internet 104 to carry out and the communicating by letter of adaptive polling engine 108.As example, this mobile radio communication device can be PDA(Personal Digital Assistant), cell phone, have kneetop computer of radio modem or the like.Narrated in the example that provides with reference to Fig. 3 hereinafter and be applicable to an exemplary mobile radio communication device 101 of the present invention.
Comprise to adaptive polling engine 108 illustrative interface module, so that be provided at the secure communication between mobile radio communication device 101 and the data server 110 such as FWSM 106.The adaptive polling engine also comprises to illustrative the adaptive polling engine modules, is used to carry out the adaptive polling operation, and this will more discuss hereinafter.As example, as one of ordinary skill in the art understand, this adaptive polling engine 105 can be realized with the form of one or more companies or isp server, FWSM 106 and adaptive polling engine modules 108 can realize (that is, these modules can be on the different servers) with the form of wherein software module.
Adaptive polling engine modules 108 is used profile based on its corresponding user, determines the different adaptive polling speed at different user.The adaptive polling engine modules 108 initial mail polling intervals that monitor mail server 110.As one of ordinary skill in the art understand, this adaptive polling engine modules 108 can also be configured to service and incident from other data server are carried out poll, all application servers in this way 114 of other data server and Web server 116.
For new mail, adaptive polling engine modules 108 uses adaptive pollings to come autopolling to be arranged on subscriber mailbox on the mail server 112.As example, although the start-up time that can also use other at interval, system 100 can be configured to according at least once every 15 minutes time poll mailbox.Yet, if adaptive polling engine modules 108 detects the new activity in terminal use's mailbox, just preferably shorten the polling interval, so that new Email is offered the user in approaching real-time mode.
Particularly, adaptive polling engine modules 108 is to the tabulation of the current message of mail server 112 inquiry, and will tabulate and the result of poll formerly that stores in the database (not shown) compares.If locate new message, just from given server or customer network (for example America Online (AOL)), retrieve copy.The messaging list that will newly upgrade is stored in the database then.
In Fig. 2, demonstrated according to adaptive polling process of the present invention.At frame 201, this process (frame 200) acts on its initial poll state 201 (that is, using the polling interval of acquiescence) beginning from adaptive polling engine modules 108.Adaptive polling engine modules 108 triggers the poll (frame 202) of mail server 112, and mail server 112 is checked and collected mail and the mail of posting a letter.At frame 204, this result triggers an incident, and at frame 206, this incident is divided into the poll event of plus or minus.State-event is broadcast to adaptive polling engine modules 108 by wireless network 102 and internet 104 from given mobile radio communication device 101.
Particularly, at frame 208, positive event increases the polling interval, and at frame 210, negative incident reduces the polling interval.In case determined event type, adaptive polling engine modules 108 will be operated in its new polling status.If other activity is arranged, just trigger new poll (frame 202), and self process flow repeats.
Positive poll event is any action that increases the polling interval, that is to say, because positive event, polling engine 108 is poll mail server 112 more continually.The example of positive event is included in and has arrived new message in the mailbox and the user checks message in his mobile radio communication device.Negative poll event is to reduce any action of polling interval.That is to say, adaptive polling engine modules 108 based on negative incident will be not too continually (less frequently) poll mail server 112 (that is, reduce poll rate).
As example, negative poll event can comprise lack with the authorized communication of adaptive polling engine modules 108 (promptly, authentification failure), such as confirming that for invalid login that connects mailbox on the mail server 112 or invalid password perhaps given mobile radio communication device 101 is positioned at the outside of wireless coverage area.
For mobile radio communication device, use a remarkable advantage of adaptive engine module 108 to be its conserve bandwidth.More particularly, based on the poll event of plus or minus, adaptive polling engine modules 108 will correspondingly increase or reduce poll rate.If mobile radio communication device 101 receives some negative incidents, adaptive polling engine modules 108 will reduce the polling interval, and the poll mail server 112 not very continually, thereby produce the utilization that reduces wireless network 102.In case receive positive event, adaptive polling engine modules 108 will turn back to the polling interval of increase.
The additional benefit of communication system 100 is to provide to the user perception of better performance.That is to say that email message will show as and arrive mobile radio communication device 101 quickly.For example, if the polling interval of acquiescence is once every 15 minutes, the reception new information (positive event) that the user is frequent, adaptive polling engine modules 108 can increase to the polling interval once every 1 to 2 minute.Along with the poll rate of this increase, message will send to user's set more quickly, and this just provides the perception of better and faster performance.
Based on specific user and their use pattern, adaptive polling engine modules 108 can comprise a kind of module, user's use pattern be learnt and be adapted to this module can based on the sky in the moment in one day, the week and/or in the heuristic comparison of this time use activity formerly.Adaptive polling engine modules 108 can be learnt user's routine, and disposes the poll to its mobile device automatically.For example, busy user adaptive polling engine modules 108 can be set in the morning first thing be positive event (promptly, increase poll rate), so that download all his collection of letters message, another positive event before finishing darg, he is set, and after work, be set to negative incident (that is, reducing the speed of poll) up to the time of sunrise.
Example
Hereinafter come further narration can be applied to exemplary hand-held mobile radio communicator 1000 of the present invention with reference to Fig. 3.This device 1000 comprises shell 1200, keyboard 1400 and output device 1600.Shown output device is a display screen 1600, and it is preferably full graphics LCD.Can alternatively use the output device of other type.Processing unit 1800 is comprised in shell 1200 inside, and is connected between keyboard 1400 and the display screen 1600.The actuation of keys of processing unit 1800 response users on keyboard 400 come the operation of control display screen 1600 and whole operations of mobile device 100.
Shell 1200 can be vertical elongation, perhaps can adopt other size and dimension (comprising the flip-shell shell mechanism).Keyboard can comprise the model selection button, perhaps is used for other hardware or the software that switch between text input and phone intercom.
Except processing unit 1800, the other parts of mobile device 1000 in Fig. 3, have also schematically been shown.These parts comprise communication subsystem 1001; Short-range communication subsystem 1020; Keyboard 1400 and display screen 1600 with other input/ output device 1060,1080,1100 and 1120; And storage device 1160,1180 and various other device subsystem 1201.Mobile device 1000 is preferably the two-way RF communicator with voice communications versus data communications ability.In addition, mobile device 1000 preferably has the ability of communicating by letter with other computer system via the internet.
Preferably, the operating system software that processing unit 1800 is carried out is stored in the permanent storage, such as being stored in the flash memory 1160, still also can be stored in the storage device of other type, such as being stored in read-only memory (ROM) or the similar memory unit.In addition, systems soft ware, specific device applications or its part can temporarily deposit in the volatile storage, such as depositing in the read-only memory (RAM) 1180.Also the signal of communication that mobile device receives can be stored among the RAM 1180.
Except the operation system function of carrying out it, the software application 1300A-1300N of processing unit 1800 on can also final controlling element 1000.In the process of making, one group of predetermined pool of applications of control basic device operations can be installed on the device 1000 all data in this way of these basic device operations and voice communication 1300A and 1300B.In addition, in the process of making, personal information manager (PIM) application program can also be installed.Preferably, this PIM can organization and management data item and task items, and this data item is such as Email, calendar event, voice mail, appointment.Preferably, use can also be via wireless network 1401 item that transmits and receive data for PIM.Preferably, via wireless network 1401, the device users corresponding data item of pim data item and storage or the device users corresponding data item relevant with host computer system are seamlessly combined, synchronously or upgrade.
By communication subsystem 1001, and can carry out the communication function that comprises data and voice communication by short-range communication subsystem.Communication subsystem 1001 comprises receiver 1500, transmitter 1520 and one or more antenna 1540 and 1560.In addition, communication subsystem 1001 also comprises processing module and the local oscillator (LO) 1601 such as digital signal processor (DSP) 1580.To the particular design of communication subsystem 1001 with implement to depend on that mobile device 1000 wants the communication network that moves.For example, mobile device 1000 can comprise a communication subsystem 1001, and this communication subsystem is designed to and Mobitex
TM, Data TAC
TMOr GPRS (GPRS) mobile data communication network operates, can also be designed to various voice communication networks in any one voice communication network operate, such as AMPS, TDMA, CDMA, PCS, GSM etc.Mobile device 1000 also can utilize and separate and integrated other categorical data and speech network.
The type of communication system is depended in the change of network access requirements.For example, in Mobitex, Data TAC network, mobile device uses unique individual identification code or the PIN relevant with each device to register on network.Yet in GPRS network, access to netwoks is to be associated with the client or the user of device.Therefore the GPRS device need be commonly called the client identification module of SIM card, so that operate on GPRS network.
When the network registry of finishing needs or activation, mobile device 100 can send and receiving communication signals by communication network 1401.To send receiver 1500 to by the signal from communication network 1401 that antenna 1540 receives, receiver 1500 provides operations such as conversion under signal amplification, the frequency, filtering, channel selection, and it can also provide analog/digital conversion.The analog/digital conversion of received signal allows DSP 1580 to carry out more complicated communication function, such as the demodulation sign indicating number.Adopt similar method, handle the signal that (for example modulate and encode) will send to network 1401 by DSP 1580, then these signals are offered transmitter 1520 and carry out conversion on digital-to-analog conversion, the frequency, filter, amplify, and send to communication network 1401 (or network) via antenna 1560.
Except process communication signals, DSP 1580 also provides the control to receiver 1500 and transmitter 1520.For example, the automatic gaining controling algorithm by implementing in DSP 1580 can be controlled at the gain that is applied to signal of communication in receiver 1500 and the transmitter 1520 adaptively.
In data communication mode, handle received signal by communication subsystem 1001, and received signal is input to processing unit 1800 such as text message or page download.Then, further handle the signals that receive, be used for output, perhaps replacedly output to some other auxiliary I/O device 1060 display screen 1600 by processing unit 1800.By use keyboard 1400 and/or some other auxiliary I/O device 1060 or the input unit of some other types, device users can also be write the data item such as email message, all touch pads in this way of these auxiliary I/O devices, ship type switch, roller.Can on communication network 1401, send the data item of writing via communication subsystem 1001 then.
In voice communication mode, except the signal that will receive outputs to loud speaker 1100, and produce by microphone 1120 outside the signal of transmission, whole operations of this device are similar to the operation in the data communication mode in fact.And can on device 1000, implement the voice or the sound I/O subsystem of replacement, such as the speech message recording subsystem.In addition, can also in voice communication mode, use display screen 1600, for example be used for the sign of show Calls side, the duration of audio call, or the relevant information of other audio call.Short-range communication subsystem can communicate between mobile device 1000 and other immediate system or device, and they do not need must be similar device.For example, short-range communication subsystem can comprise infrared facility and relevant circuit and parts, or Bluetooth
TMCommunication module is used to provide and similar communicating by letter of start-up system and device.
Under the situation of the instruction that provides in narration that has benefited from the front and relevant drawings, those of ordinary skill in the art will be understood that many modifications of the present invention and other embodiment.Therefore, will be appreciated that the present invention is not limited to disclosed specific embodiment, these are revised and embodiment means in the scope that is included in accompanying Claim.
Claims (14)
1. communication system comprises:
At least one data storage device is used to store the message of relative users;
A plurality of mobile radio communication devices, each mobile radio communication device is associated with corresponding user, is used to visit the message of storing on described at least one data storage device;
The adaptive polling engine, it is used for described at least one data storage device of poll storing message, and the message of poll is offered the mobile radio communication device of relative users;
Described adaptive polling engine is based at least one positive poll event and at least one negative poll event, change corresponding poll rate at each mobile radio communication device, described at least one positive poll event comprises that relative users checks the message on the corresponding mobile radio communication device, and described at least one negative poll event comprises the authorized communication that lacks with described adaptive polling engine.
2. communication system as claimed in claim 1, wherein lacking authorized communication with described adaptive polling engine and be the outside that is positioned at wireless coverage area with given mobile radio communication device is basis.
3. communication system as claimed in claim 1, the authorized communication that wherein lacks with described adaptive polling engine is to be registered as basis with invalid user.
4. communication system as claimed in claim 1, wherein said at least one negative poll event also comprises: at least one data storage device at the minimizing of the message stores of relative users.
5. communication system as claimed in claim 1, wherein said at least one positive poll event comprises: at least one data storage device at the increase of the message stores of relative users.
6. communication system as claimed in claim 1, wherein said at least one positive poll event comprises: from the increase of the message access requests of given mobile radio communication device.
7. adaptive polling engine, be used for a plurality of mobile radio communication devices and at least one data storage device are joined, each mobile radio communication device is associated with corresponding user, described at least one data storage device is used to store the message of relative users, and described adaptive polling engine comprises:
Interface module is used for communicating with mobile radio communication device;
The adaptive polling engine modules links to each other with described interface module, is used at least one data storage device of poll storing message, and the message of poll is offered the mobile radio communication device of relative users;
Described adaptive polling engine modules is based at least one positive poll event and at least one negative poll event, change corresponding poll rate at each mobile radio communication device, described at least one positive poll event comprises that relative users checks the message on the corresponding mobile radio communication device, and described at least one negative poll event comprises the authorized communication that lacks with described adaptive polling engine.
8. adaptive polling engine as claimed in claim 7, wherein lacking authorized communication with described adaptive polling engine and be the outside that is positioned at wireless coverage area with given mobile radio communication device is basis.
9. adaptive polling engine as claimed in claim 7, the authorized communication that wherein lacks with described adaptive polling engine is to be registered as basis with invalid user.
10. adaptive polling engine as claimed in claim 7, wherein said at least one positive poll event comprises: from the increase of the message access requests of given mobile radio communication device.
11. one kind is used for method that a plurality of mobile radio communication devices and at least one data storage device are joined, each mobile radio communication device is associated with corresponding user, described at least one data storage device is used to store the message of relative users, and described method comprises:
At least one data storage device of poll storing message, and the message of poll is offered the mobile radio communication device of relative users;
Change corresponding poll rate based at least one positive poll event and at least one negative poll event at each mobile radio communication device, described at least one positive poll event comprises that relative users checks the message on the corresponding mobile radio communication device, and described at least one negative poll event comprises the authorized communication that lacks with given mobile radio communication device.
12. method as claimed in claim 11, wherein lacking authorized communication and be the outside that is positioned at wireless coverage area with given mobile radio communication device is basis.
13. as the method for claim 11, wherein lacking the communication of having authorized is to be registered as basis with invalid user.
14. method as claimed in claim 11, wherein said at least one positive poll event comprises: from the increase of the message access requests of given mobile radio communication device.
Applications Claiming Priority (5)
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| US49311803P | 2003-08-07 | 2003-08-07 | |
| US60/493,118 | 2003-08-07 | ||
| US10/781,195 US7280537B2 (en) | 2003-08-07 | 2004-02-18 | Communications system providing adaptive polling based upon positive and negative polling events and related methods |
| US10/781,195 | 2004-02-18 | ||
| PCT/US2004/005769 WO2005017718A2 (en) | 2003-08-07 | 2004-02-26 | Communication system providing adaptive polling |
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| CN1864371A CN1864371A (en) | 2006-11-15 |
| CN1864371B true CN1864371B (en) | 2010-09-08 |
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| CN200480029517.8A Expired - Lifetime CN1864356B (en) | 2003-08-07 | 2004-02-26 | Communication system providing adaptive polling |
| CN200480028958.6A Expired - Lifetime CN1864371B (en) | 2003-08-07 | 2004-02-26 | Communication system providing adaptive polling based upon positive and negative polling events and related methods |
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| CN200480029517.8A Expired - Lifetime CN1864356B (en) | 2003-08-07 | 2004-02-26 | Communication system providing adaptive polling |
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| US8780881B2 (en) * | 2006-12-21 | 2014-07-15 | Intel Corporation | Adaptive polling for bursty wireless data traffic |
| US8364862B2 (en) * | 2009-06-11 | 2013-01-29 | Intel Corporation | Delegating a poll operation to another device |
| GB2499747B (en) * | 2010-11-22 | 2014-04-09 | Seven Networks Inc | Aligning data transfer to optimize connections established for transmission over a wireless network |
| CN102076105B (en) * | 2011-01-12 | 2014-04-30 | 北京傲天动联技术股份有限公司 | Polling method for point-to-multipoint communication system |
| CN102780723B (en) * | 2011-05-11 | 2016-04-27 | 联想(北京)有限公司 | A kind of information obtaining method and information obtaining device |
| TWI497948B (en) * | 2012-02-14 | 2015-08-21 | Htc Corp | Methods and systems of dynamic mail synchronization for mobile devices, and computer program product |
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2004
- 2004-02-26 CN CN200480029517.8A patent/CN1864356B/en not_active Expired - Lifetime
- 2004-02-26 CN CN200480028958.6A patent/CN1864371B/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6067561A (en) * | 1997-02-07 | 2000-05-23 | Hughes Electronics Corporation | Electronic mail notification system and method within a hybrid network that transmits notifications via a continuous, high-speed channel |
| CN1347232A (en) * | 2000-09-30 | 2002-05-01 | Lg电子株式会社 | Adaptive polling method of router |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1864356B (en) | 2012-06-06 |
| CN1864371A (en) | 2006-11-15 |
| CN1864356A (en) | 2006-11-15 |
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