CN101132341A - Wireless LAN module for maintaining connection and method thereof - Google Patents
Wireless LAN module for maintaining connection and method thereof Download PDFInfo
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- CN101132341A CN101132341A CNA2006101262420A CN200610126242A CN101132341A CN 101132341 A CN101132341 A CN 101132341A CN A2006101262420 A CNA2006101262420 A CN A2006101262420A CN 200610126242 A CN200610126242 A CN 200610126242A CN 101132341 A CN101132341 A CN 101132341A
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- wireless lan
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Abstract
This invention relates to a method for maintaining the connection state of WLAN module set in a main system and connected to an AP including: providing a process unit to take over the WLAN module to maintain the connection state of the WLAN when the main system enters into a standby or sleeping state and the main system takes over the WLAN when it is awaken. This invention also provides a WLAN module for maintaining said connection with the method.
Description
Technical field
The present invention is about the WLAN (wireless local area network) field, particularly, and about a kind of Wireless LAN module (Module) and method thereof of keeping connection.
Background technology
Information And Communication science and technology is fast-developing between in recent years, and between masses, popularize, from before dial and connect network purpose broadband network so far, cable network is to wireless network, the family expenses fixed-phone is to mobile phone, even voice and data, communicates by letter and information such as broadcasting all can be transmitted between network.Especially WLAN (wireless local area network) (the Wireless Local AreaNetwork that formulated by FCC (FCC) of transmission spectrum, WLAN), the spectral range of its use belongs to the free public frequency range of ISM (Industrial Science Medical), comprises 902 industrial～928MHz (26MHz) wave band; 2.4～2.4835GHz that scientific research is used (83.5MHz) wave band; And 5.15～5.35GHz of medical application and 5.725～5.825GHz wave band.After IEEE 802.11 standards in 1997 are stipulated, WLAN (wireless local area network) development existing about 10 years so far, make that the electronic installation of all support WLAN (wireless local area network) can be at any time and any place, by WAP (wireless access point) (Access Point, AP) obtain required any information, and one of them application is ecommerce.Ecommerce refer to by world-wide web buy, sale or activities such as trade goods, service and information, for example commodity transaction, advertisement, service, information provide, financial exchange and market intelligence etc.Having broken away from because of this WLAN (wireless local area network) in the past must be in the restriction of fixed point online, and mobile Internet access makes work and life have more mobility, and the progress of work will no longer be limited by the restriction of space-time environment equipment.
The electronic installation of support WLAN (wireless local area network) is finished connection must listen near the interior WLAN (wireless local area network) of (listen) communication range earlier, and judges and oneself whether have the right to use this WLAN (wireless local area network) that the above-mentioned program of listening to is also referred to as scanning (scanning).Yet when electronic installation enters holding state for power saving or other purposes, electronic installation just loses and being connected of WLAN (wireless local area network), in case when electronic installation is returned to mode of operation, need a period of time to rebulid being connected between electronic installation and WAP (wireless access point) usually.The user of electronic installation thereby wasted own valuable time on to be connected waiting.Therefore, be necessary to provide a kind of Wireless LAN module and method thereof of keeping connection, the WLAN (wireless local area network) of electronic installation can the be reached target of " using " with opening promptly.
Summary of the invention
An aspect of of the present present invention is to provide a kind of method of keeping the connection status of a Wireless LAN module, and this Wireless LAN module is arranged in the main system and can be connected with a WAP (wireless access point), and the method includes the steps of: a processing unit is provided; When main system entered standby or resting state, processing unit was taken over Wireless LAN module, to keep the connection status of Wireless LAN module; And when main system was waken up, main system was taken over Wireless LAN module.
Another aspect of the present invention is to provide a kind of Wireless LAN module of keeping connection, and this Wireless LAN module is arranged in the main system, and this Wireless LAN module comprises: an input/output interface, communicate by letter with main system for Wireless LAN module; One antenna is connected with a WAP (wireless access point) for Wireless LAN module; An and processing unit; Wherein, control Wireless LAN module, and wherein when main system enters standby or resting state, take over Wireless LAN module by processing unit, to keep the connection status of Wireless LAN module by main system when main system during in mode of operation.
Description of drawings
Fig. 1 is according to a specific embodiment of the present invention, a kind of calcspar of keeping the Wireless LAN module of connection;
Fig. 2 is that another kind is kept the calcspar of the Wireless LAN module of connection according to a specific embodiment of the present invention;
Fig. 3 is according to a specific embodiment of the present invention, a kind of method of keeping the connection status of a Wireless LAN module;
Fig. 4 is according to a specific embodiment of the present invention, and processing unit is taken over the sequential chart of Wireless LAN module; And
Fig. 5 is according to a specific embodiment of the present invention, and main system is taken over the sequential chart of Wireless LAN module.
The figure elements symbol description
100 main systems
102 Wireless LAN modules
104 input/output interfaces
106 antennas
108 WAP (wireless access point)
110 processing units
112 media storage control units
114 fundamental frequency unit
116 radio frequency units
118 central processing units
120 north bridges
122 graphic operation processors
124 memories
126 south bridges
128 memory cell
230 multiplex (MUX) unit
Embodiment
The present invention discloses a kind of Wireless LAN module and method thereof of keeping connection, and it can be built and place on mobile computer, PDA(Personal Digital Assistant), mobile phone or other electronic products.In order to make narration of the present invention more detailed and complete, can be with reference to the figure of following description and cooperation Fig. 1 to Fig. 5.
With reference to figure 1, in an embodiment, the invention provides a kind of Wireless LAN module 102 of keeping connection, it comprises: an input/output interface 104 communicates for a Wireless LAN module 102 and a main system 100; One antenna 106 is connected with a WAP (wireless access point) 108 for Wireless LAN module 102; And a processing unit 110, be arranged in this Wireless LAN module 102, and be connected with input/output interface 104 and media storage control unit 112; Wherein when main system 100 during in mode of operation, by main system 100 control Wireless LAN modules 102, and wherein when main system 100 enters standby or resting state, processing unit 110 is taken over Wireless LAN module 102, to keep the connection status between Wireless LAN module 102 and the WAP (wireless access point) 108.
In an embodiment, processing unit 110 can be realized by microprocessor/microcontroller.And though it should be noted that in Fig. 1, processing unit 110 is arranged in this Wireless LAN module 102, yet this is a demonstration example, is not for limit the present invention.In addition, in an embodiment, Wireless LAN module 102 also can be arranged in the main system 100, supply with the power supply of always connecting (always on) in the desirable autonomous system 100 of electric power of processing unit 110 this moment, basic input/output system (BasicInput Output System, battery BIOS) for example.
In addition, Wireless LAN module 102 shown in Figure 1, can also design when main system 100 shutdown, processing unit 110 is taken over Wireless LAN module 102, to keep the connection status between Wireless LAN module 102 and the WAP (wireless access point) 108, and when main system 100 starts, by main system 100 control Wireless LAN modules 102.
Among Fig. 1, Wireless LAN module 102 also comprises a radio frequency unit 116, a fundamental frequency unit 114 and a media storage control unit 112.As is known to the person skilled in the art, radio frequency unit 116 can be by exhibition frequency transmitter and receiver (Spread spectrum transceiver), low noise amplifier (LNA), frequency mixer (Mixer), double frequency synthesizer (Dual frequency synthesizer), power amplifier formations such as (PowerAmplifier), to be used for handling the signal that antenna 106 receives, be resent to fundamental frequency unit 114, or handle the signal that fundamental frequency unit 114 transmits, send out by antenna 106 again.The fundamental frequency unit then is to be used for the signal that radio frequency unit 114 transmits carry out decode/demodulates system, or the signal that medium access unit 112 transmits carried out coded/modulated, for example modulation technique is CCK in IEEE 802.11b 11Mbps, modulation technique is OFDM in IEEE 802.11a, necessary specification for IEEE 802.11g is OFDM, CCK modulation technique that can compatible forward IEEE 802.11b, selectivity specification then are PBCC modulation technique that CCK/OFDM or TI proposed.112 of media Access control unit are used for the transmission course of control signal integral body.In addition, in design, fundamental frequency unit 114 and media storage control unit 112 generally can be integrated on the same chip, perhaps also radio frequency unit 116, fundamental frequency unit 114 all can be integrated on the chip with media storage control unit 112.
Among Fig. 1, main system 100 comprises a central processing unit (CPU) 118, and central processing unit 118 is a bridge with a north bridge chipset 120, is communicated with a graphic operation processor (GPU) 122, a memory 124 and a South Bridge chip group 126.Generally speaking, Wireless LAN module 102 is that bridge is communicated with main system 100 with South Bridge chip group 126.Therefore come the signal of autonomous system 100 can be, and be passed to Wireless LAN module 102 via input/output interface 104 by South Bridge chip group 126.In this embodiment, if main system 100 is in mode of operation, then processing unit 110 in the future the signal of autonomous system be directly passed to media storage control unit 112.In other embodiment, Wireless LAN module can also comprise a multiplex (MUX) unit 230 (referring to Fig. 2), when main system 100 is in mode of operation, in this Wireless LAN module 102, transmit by multiplex (MUX) unit 230 from antenna 106 or the signal that comes autonomous system 100, and need not pass through this processing unit 110.
Continuation is with reference to figure 1, graphic in a memory cell 128 can supply processing unit 110 accesses, can store the relevant information of WAP (wireless access point) 108 and user's information of WLAN (wireless local area network) in the memory cell 128.And in an embodiment, memory cell 128 is also stored once relevant information and corresponding user's information of used WAP (wireless access point), uses for processing unit 110.
Then with reference to figure 3, it illustrates a kind of method of keeping the connection status of a Wireless LAN module.This Wireless LAN module is arranged in the main system, and can be connected with a WAP (wireless access point), and the method includes the steps of: in step 302, provide a processing unit, this handles the unit and can be one microprocessor/microcontroller; In step 304, when main system enters standby or resting state, processing unit is taken over Wireless LAN module, to keep the connection status of this Wireless LAN module; And in step 306,, take over Wireless LAN module by main system when main system is waken up (wake-up).
In addition, in an embodiment, step 304 also comprises with step 306: when main system was shut down, processing unit was taken over Wireless LAN module, to keep the connection status of this Wireless LAN module; And when main system is started shooting, take over Wireless LAN module by main system.
In an embodiment, step 302 also comprises provides a memory cell, and for the processing unit access, and the memory cell that provides and processing unit can be arranged in the Wireless LAN module.The memory cell that provides can be used to store once relevant information and corresponding user's information of used WAP (wireless access point).In this embodiment, the process that the processing unit of step 304 is taken over Wireless LAN module also can be further with reference to the sequential chart of figure 4, Fig. 4 illustrates the sequential schematic diagram of 410 of a main system 400 and processing units.At first, when main system 400 enters standby or resting state, main system 400 notifier processes unit 410 oneself will enter standby or resting state (402); The relevant information of processing unit 410 requests one WAP (wireless access point) and user's information (404) of WLAN (wireless local area network); Main system 400 is with the relevant information of WAP (wireless access point) and user's information of WLAN (wireless local area network), the Service Identifier of WAP (wireless access point) (Service Set IDentifier for example, SSID), user's wired equivalent privacy (Wired Equivalent Privacy, WEP) and WAP (Wireless Application Protocol, WAP) golden key or other information, be sent to processing unit 410, and be stored in (406) in the memory cell; Last main system 400 activation processing units 410 are taken over Wireless LAN module, to enter standby or resting state (408).
Otherwise, the process that the main system of step 306 is taken over Wireless LAN module also can be further with reference to the sequential chart of figure 5.At first, main system is checked the connection status (502) of Wireless LAN module by processing unit; Processing unit transmits the connection status of Wireless LAN module and gives main system (504); User's information (506) of the relevant information of main system request WAP (wireless access point) and WLAN (wireless local area network); Processing unit sends the relevant information of WAP (wireless access point) and user's information of WLAN (wireless local area network) to main system (508), and last main system stops the effect of processing unit 410, and takes over LAN module (510).
Therefore, above-mentioned memory cell for the processing unit access, information except the preceding WAP (wireless access point) that is connecting of storage standby dormancy, outside Service Identifier (SSID), also can store the information of the WAP (wireless access point) that connects in the past, and store its corresponding user's authorization code/password etc., make main system in the state that dormancy, standby or shutdown are moved, via the processing unit access memory cell, with the mechanism of user's authorization code/password of the different radio access point obtained, also can keep connection status.
The above is preferred embodiment of the present invention only, is not in order to limit claim scope of the present invention; All other do not break away from the equivalence of being finished under the disclosed spirit and changes or modification, all should be included in the following claim scope.
Claims (15)
1. method of keeping the connection status of a wireless lan (wlan) module, this Wireless LAN module is arranged in the main system, and can be connected with a WAP (wireless access point) (AP), and the method includes the steps of:
One processing unit is provided;
When this main system entered standby or resting state, this processing unit was taken over this Wireless LAN module, to keep the connection status of this Wireless LAN module; And
When this main system was waken up, this main system was taken over this Wireless LAN module.
2. the method for claim 1 also comprises:
When this main system shutdown, this processing unit is taken over this Wireless LAN module, to keep the connection status of this Wireless LAN module; And
When this main system start, this main system is taken over this Wireless LAN module.
3. the method for claim 1, wherein this provides the step of a processing unit that one microprocessor is provided.
4. the method for claim 1, wherein this provides the step of a processing unit that this processing unit is arranged in this Wireless LAN module.
5. the method for claim 1, wherein this provides the step of a processing unit also to comprise a memory cell is provided, for this processing unit access.
6. method as claimed in claim 5 also comprises this cell stores once relevant information and corresponding user's information of used WAP (wireless access point).
7. method as claimed in claim 5, wherein this processing unit step of taking over this Wireless LAN module comprises:
This main system notifies this main system of this processing unit will enter standby or resting state;
The relevant information of this this WAP (wireless access point) of processing unit request and user's information of WLAN (wireless local area network); And
This main system is sent to this processing unit with the relevant information of this WAP (wireless access point) and user's information of WLAN (wireless local area network), and is stored in this memory cell.
8. method as claimed in claim 5, wherein this main system step of taking over this Wireless LAN module comprises:
This main system is checked the connection status of this Wireless LAN module by this processing unit;
This processing unit transmits the connection status of this Wireless LAN module and gives this main system;
The relevant information of this this WAP (wireless access point) of main system request and user's information of WLAN (wireless local area network); And
This processing unit sends the relevant information of this WAP (wireless access point) and user's information of WLAN (wireless local area network) to this main system.
9. Wireless LAN module of keeping connection comprises:
One input/output interface is communicated by letter with a main system for this Wireless LAN module;
One antenna is connected with a WAP (wireless access point) for this Wireless LAN module; And
One processing unit;
Wherein when this main system during in mode of operation, control this Wireless LAN module by this main system, and wherein when this main system entered standby or resting state, this processing unit was taken over this Wireless LAN module, to keep the connection status of this Wireless LAN module.
10. Wireless LAN module as claimed in claim 9, wherein this processing unit is arranged in this Wireless LAN module.
11. Wireless LAN module as claimed in claim 9, wherein this processing unit is a microprocessor.
12. Wireless LAN module as claimed in claim 9, wherein when this main system shutdown, this processing unit is taken over this Wireless LAN module, to keep the connection status of this Wireless LAN module.
13. Wireless LAN module as claimed in claim 9, wherein this processing unit also comprises a memory cell, in order to the relevant information of storing this WAP (wireless access point) and user's information of WLAN (wireless local area network).
14. Wireless LAN module as claimed in claim 11, wherein this memory cell is also stored once relevant information and corresponding user's information of used WAP (wireless access point).
15. Wireless LAN module as claimed in claim 11, also comprise a multiplex (MUX) unit, when system is in mode of operation, in this Wireless LAN module, transmits by this multiplex (MUX) unit from this antenna or from the signal of this main system, and need not pass through this processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101262420A CN100574245C (en) | 2006-08-24 | 2006-08-24 | Keep the Wireless LAN module and the method thereof of connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101262420A CN100574245C (en) | 2006-08-24 | 2006-08-24 | Keep the Wireless LAN module and the method thereof of connection |
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| Publication Number | Publication Date |
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| CN101132341A true CN101132341A (en) | 2008-02-27 |
| CN100574245C CN100574245C (en) | 2009-12-23 |
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| CNB2006101262420A Active CN100574245C (en) | 2006-08-24 | 2006-08-24 | Keep the Wireless LAN module and the method thereof of connection |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102648643A (en) * | 2009-10-19 | 2012-08-22 | Ubiquisys有限公司 | Wireless access point |
| CN103036652A (en) * | 2012-12-21 | 2013-04-10 | 广东欧珀移动通信有限公司 | Method and device for data transmission |
| CN103561234A (en) * | 2013-10-24 | 2014-02-05 | Tcl商用信息科技（惠州）股份有限公司 | Display control method, device and system of electronic doorbell |
| CN105282330A (en) * | 2015-09-18 | 2016-01-27 | 广东欧珀移动通信有限公司 | Method and apparatus for automatically accessing network |
| CN106900038A (en) * | 2017-02-21 | 2017-06-27 | 苏州福瑞思信息科技有限公司 | Communication chip idle method, device, communication chip and electronic equipment |
| CN108377464A (en) * | 2018-02-11 | 2018-08-07 | 中国联合网络通信集团有限公司 | WLAN connection methods during terminal sleeping and device |
-
2006
- 2006-08-24 CN CNB2006101262420A patent/CN100574245C/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102648643A (en) * | 2009-10-19 | 2012-08-22 | Ubiquisys有限公司 | Wireless access point |
| CN102648643B (en) * | 2009-10-19 | 2015-04-22 | Ubiquisys有限公司 | Cellular base station |
| US9686370B2 (en) | 2009-10-19 | 2017-06-20 | Ubiquisys Limited | Wireless access point |
| CN103036652A (en) * | 2012-12-21 | 2013-04-10 | 广东欧珀移动通信有限公司 | Method and device for data transmission |
| CN103561234A (en) * | 2013-10-24 | 2014-02-05 | Tcl商用信息科技（惠州）股份有限公司 | Display control method, device and system of electronic doorbell |
| CN105282330A (en) * | 2015-09-18 | 2016-01-27 | 广东欧珀移动通信有限公司 | Method and apparatus for automatically accessing network |
| CN106900038A (en) * | 2017-02-21 | 2017-06-27 | 苏州福瑞思信息科技有限公司 | Communication chip idle method, device, communication chip and electronic equipment |
| CN108377464A (en) * | 2018-02-11 | 2018-08-07 | 中国联合网络通信集团有限公司 | WLAN connection methods during terminal sleeping and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100574245C (en) | 2009-12-23 |
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