CN101909000A - Method and device for receiving packets - Google Patents
Method and device for receiving packets Download PDFInfo
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- CN101909000A CN101909000A CN2009101469152A CN200910146915A CN101909000A CN 101909000 A CN101909000 A CN 101909000A CN 2009101469152 A CN2009101469152 A CN 2009101469152A CN 200910146915 A CN200910146915 A CN 200910146915A CN 101909000 A CN101909000 A CN 101909000A
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Abstract
The invention provides a method and a device for receiving packets. The method comprises the following steps: an informing packet is transmitted to at least one site and access point through different channels; the site and the access point start or stop transmitting the packet to the device according to the informing packet; and the site and the access point temporarily store the packet to be transmitted to the device, and transmit the temporarily stored packet to the device after receiving the starting informing packet.
Description
Technical field
The present invention relates to a kind of communication system, the method and apparatus that particularly a kind of package receives.
Background technology
(WLAN) is universal day by day along with WLAN, and various application also develops rapidly thereupon, and many team also devote the transfer of data Study on Quality that promotes wireless network in succession.Recently, bluetooth sig (Bluetooth Special Interest Group, SIG) formally announced the technology contents of bluetooth of future generation, name is called " bluetooth 3.0+ is (Bluetooth 3.0+HS) at a high speed ", and it improves data transmission efficiency by the integration with IEEE 802.11 communications protocol." bluetooth 3.0+ at a high speed " that be applied in the AD HOC network can bring up to 24Mbps with transmission rate.
Wireless network comprises infrastructure mode network (Infrastructure mode network) and AD HOC network (Ad-hoc mode network).In the infrastructure mode network, need utilize base station (Base station) or access point (Assess point) to transmit signal and received signal, communicating with one another between promptly any two mobile devices needs to come transmission information by access point.In the AD HOC network, any two mobile devices directly communication need not by base station or access point.Yet, if mobile device is desired to transmit in infrastructure mode network and AD HOC network simultaneously and when receiving package, its mechanism that receives package just becomes an important problem.
Summary of the invention
Packet receiving method of the present invention will notify package to be sent at least one website and access point with device at different channel.This website and this access point begin or stop to transmit package according to this notice package and install to this.The also temporary package that will be sent to this device of this website and this access point, and receive begin to notify package after, package that this is temporary is sent to this device.
An aspect of of the present present invention discloses the method that a kind of package receives, and this method comprises the following step: transmit the first notice package at least one website by first channel; Transmit the second notice package to access point by second channel; Receive the package that this access point sends by this second channel; Transmit the 3rd notice package to this access point by this second channel; Transmit four-way by this first channel and know that package is to this at least one website; And the package that receives this at least one website transmission by this first channel.
Another aspect of the present invention discloses a kind of package receiving system, and it comprises notification unit, switch unit and receiving element.This notification unit is in order to transmit at least one notice package at least one website and access point at first channel and second channel respectively.This first channel is bluetooth channel or wireless channel, and wherein this second channel is a wireless channel.This notice package is the expiry notification package or begins to notify package.This expiry notification package has frame control field, and wherein this frame control field has power management bit.This expiry notification package also can be the oneself and removes the transmission package.This begins to notify package is the power-save poll package.This switch unit is in order to switching to this second channel from this first channel, or switches to this first channel from this second channel.This receiving element is in order to receive the package that this at least one website and this access point send at this first channel and this second channel respectively.
Description of drawings
Fig. 1 has described a kind of schematic diagram of wireless network;
Fig. 2 shows the flow chart of the packet receiving method of embodiments of the invention; And
Fig. 3 has described the package receiving system calcspar of another embodiment of the present invention.
The main element symbol description
11,12,13 websites
14 access points
S201～S210 step
301 notification units
302 switch units
303 receiving elements
Embodiment
Fig. 1 shows the wireless network schematic diagram of embodiments of the invention.This wireless network comprises AD HOC network 100 and infrastructure mode network 101.This AD HOC network comprises website 11 and website 12.This infrastructure mode network comprises website 11, website 13 and access point 14.Website 11 can directly transmit package and give website 12, or the package of direct receiving station 12 transmissions.Yet in the infrastructure mode network, website 11 needs to transmit the package that package is given website 13 or sent by access point 14 receiving stations 13 by access point 14.Website 11, website 12, website 13 and access point 14 are for meeting the device of IEEE 802.11 standards.Present embodiment is used battery saving mode (the Power save mode) mechanism in IEEE 802.11 standards, makes website 11 can transmit package and stops to transmit package to website 11 to require website 12 or access point 14.When website 12 or access point 14 have package to give website 11, cannot transmit at any time, must earlier these packages be stored, and transmit in the specific time.Those skilled in the art should understand above-mentioned AD HOC network and infrastructure mode network, and the website that it comprises and the number of access point are not limited to the above.
Fig. 2 shows the flow chart of the packet receiving method of embodiments of the invention.In order to make those skilled in the art the indication by present embodiment implement the present invention, the flow process of packet receiving method is described below in conjunction with Fig. 1 and Fig. 2.Suppose that website 11 just transmits package by bluetooth channel (Bluetoothchannel) at present and gives website 12 or receive next package to website 12, and time-out and access point 14 communications.Above-mentioned website 11 also can pass through wireless channel (Wi-Fi channel) and transmit package to website 12 or the next package to website 12 of reception.Begin the flow process of this packet receiving method at step S201.In step S202, website 11 transmits the expiry notification package to website 12 by this bluetooth channel.This expiry notification package has frame control field (Frame control field), and wherein this frame control field has power management bit (Power management bit).This expiry notification package also can be the oneself and removes transmission (CTS-to-self) package.Website 12 promptly stops to transmit package to website 11 after receiving this expiry notification package.Website 12 if there is package will send website 11 to, then is stored in described package in the buffer of website 12 earlier during stopping transmission.In step S203, website 11 switches to wireless channel from this bluetooth channel.This wireless channel is website 11 and the employed channel of access point 14 communications.In step S204, website 11 transmits by this wireless channel and begins to notify package to access point 14.This begins to notify package to can be power-save poll (PS-Poll) package.In step S205, website 11 receives the package that access point 14 is sent.It will be understood by a person skilled in the art that website 11 receives visual its application scenario adjustment of time of package.In step S206, website 11 transmits the expiry notification package to access point 14.Access point 14 promptly stops to transmit package to website 11 after receiving this expiry notification package.Access point 14 if there is package will send website 11 to, then is stored in described package in the buffer of access point 14 earlier during stopping transmission.In step S207, website 11 switches back this bluetooth channel from this wireless channel.In step S208, website 11 transmits by this bluetooth channel and begins to notify package to website 12.In step S209, website 11 receives the package that is sent from website 12.This packet receiving method can be in step S210 process ends, or repeating step S202 continues to receive package in AD HOC network 100 and infrastructure mode network 101 to step S209.
In order to make those skilled in the art implement the present invention by the indication of present embodiment, below in conjunction with above-mentioned packet receiving method, other proposes the embodiment of a package receiving system.
Fig. 3 has described the package receiving system calcspar of another embodiment of the present invention.Package receiving system 300 comprises notification unit 301, switch unit 302 and receiving element 303.Notification unit 301 is in order to be sent at least one website and access point at first channel and second channel with at least one notice package respectively.This first channel is bluetooth channel or wireless channel, and wherein this second channel is a wireless channel.This notice package is the expiry notification package or begins to notify package.This expiry notification package has frame control field, and wherein this frame control field has power management bit.This expiry notification package also can be the oneself and removes the transmission package.In addition, this begins to notify package to can be the power-save poll package.Switch unit 302 in order to switching to this second channel from this first channel, or switches to this first channel from this second channel.Receiving element 303 is in order to receive the package that this at least one website and this access point send at this first channel and this second channel respectively.Wherein a kind of mode that the package receiving system 300 of the embodiment of the invention can be realized by software, hardware is realized, realize on the platform of embedded single-processor or multiprocessor realizes.
In step S202 and step S206, transmit the expiry notification package to website 12 and access point 14 at this bluetooth channel and this wireless channel respectively by notification unit 301.In step S204 and step S208, notification unit 301 begins to notify package to website 12 and access point 14 at this bluetooth channel and the transmission of this wireless channel respectively.Ability should be appreciated that in the technical staff it is to begin to transmit or stop to transmit package to this receiving element 303 in order to notice website 12 and access point 14 that package or expiry notification package are notified in above-mentioned beginning.Therefore, this begins to notify the package form of package and this expiry notification package and delivery time thereof to adjust according to practical application request.In step S203 and step S207, switch to this wireless channel or switch to this bluetooth channel from this bluetooth channel from this wireless channel by switch unit 302.In step S205 and step S209, the package that sends at this bluetooth channel and this wireless channel receiving station 12 and access point 14 respectively by receiving element 303.
Technology contents of the present invention and technical characterstic disclose as above, yet those skilled in the art still may be based on indication of the present invention and announcements and done all replacement and modifications that does not deviate from essence of the present invention.Therefore, protection scope of the present invention should be not limited to the content that embodiment discloses, and should comprise various do not deviate from replacement of the present invention and modifications, and is contained by claims scope.
Claims (18)
1. packet receiving method comprises:
By first channel first expiry notification package is sent at least one website;
Begin to notify package to be sent to access point by second channel with first;
Receive the package that this access point sends by this second channel;
By this second channel the second expiry notification package is sent to this access point;
Begin to notify package to be sent to this at least one website by this first channel with second; And
Receive the package that this at least one website sends by this first channel.
2. method according to claim 1, wherein this first and second expiry notification package has frame control field.
3. method according to claim 2, wherein this frame control field has power management bit.
4. method according to claim 1, wherein this first and second expiry notification package is that the oneself removes the transmission package.
5. method according to claim 1, wherein this first and second to begin to notify package be the power-save poll package.
6. method according to claim 1, wherein this first channel is bluetooth channel or wireless channel.
7. method according to claim 1, wherein this second channel is a wireless channel.
8. method according to claim 1, wherein this at least one website and this access point are the device that meets IEEE 802.11 standards.
9. the device that receives of a package comprises:
Notification unit is in order to be sent at least one website and access point at first channel and second channel with at least one notice package respectively;
Switch unit is in order to switch to this second channel or to switch to this first channel from this second channel from this first channel; And
Receiving element is in order to receive the package that this at least one website and this access point send at this first channel and this second channel respectively.
10. device according to claim 9, wherein this at least one notice package is the expiry notification package or begins to notify package.
11. device according to claim 10, wherein this expiry notification package has frame control field.
12. device according to claim 11, wherein this frame control field has power management bit.
13. device according to claim 10, wherein this expiry notification package is that the oneself removes the transmission package.
14. device according to claim 10, wherein this to begin to notify package be the power-save poll package.
15. device according to claim 9, wherein this first channel is bluetooth channel or wireless channel.
16. device according to claim 9, wherein this second channel is a wireless channel.
17. device according to claim 9, wherein this at least one website and this access point are the device that meets IEEE 802.11 standards.
18. device according to claim 9, this device with software realize, hardware is realized, contain the wherein a kind of mode that realizes on the platform of single-processor or multiprocessor realizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101469152A CN101909000A (en) | 2009-06-05 | 2009-06-05 | Method and device for receiving packets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101469152A CN101909000A (en) | 2009-06-05 | 2009-06-05 | Method and device for receiving packets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101909000A true CN101909000A (en) | 2010-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101469152A Pending CN101909000A (en) | 2009-06-05 | 2009-06-05 | Method and device for receiving packets |
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| CN (1) | CN101909000A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1960560A (en) * | 2005-11-04 | 2007-05-09 | 鸿富锦精密工业（深圳）有限公司 | Method for switching channels |
| US20080130603A1 (en) * | 2006-11-30 | 2008-06-05 | Conexant Systems, Inc. | Systems and methods for coexistence of wlan and bluetooth networks |
-
2009
- 2009-06-05 CN CN2009101469152A patent/CN101909000A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1960560A (en) * | 2005-11-04 | 2007-05-09 | 鸿富锦精密工业（深圳）有限公司 | Method for switching channels |
| US20080130603A1 (en) * | 2006-11-30 | 2008-06-05 | Conexant Systems, Inc. | Systems and methods for coexistence of wlan and bluetooth networks |
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Application publication date: 20101208 |