CN101448312A - Power regulation and management method of wireless access point and device thereof - Google Patents
Power regulation and management method of wireless access point and device thereof Download PDFInfo
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- CN101448312A CN101448312A CNA200910002088XA CN200910002088A CN101448312A CN 101448312 A CN101448312 A CN 101448312A CN A200910002088X A CNA200910002088X A CN A200910002088XA CN 200910002088 A CN200910002088 A CN 200910002088A CN 101448312 A CN101448312 A CN 101448312A
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Abstract
The invention provides a power regulation and management method of wireless access points and a device thereof. The method comprises the following steps of detecting communication quality of a received signal and signal intensity of a wireless access point; determining whether the launching power of the wireless access point is needed to be regulated according to the communication quality and signal intensity; and if yes, sending a power regulating and indicating message to the wireless access point. Through the power regulation and management method of the wireless access point provided by the embodiment of the invention, when a WLAN terminal detects a decline in the communication quality of a received data caused by the poorer quality of the received data, and if the WLAN terminal is an administrator user and has an administration authority, the WLAN terminal having the authority to regulate the AP launching power of the wireless access point can instruct AP to regulate and launch power, thereby improving the receiving and communication quality of the WLAN terminal.
Description
Technical field
The present invention relates to WLAN WLAN (Wireless Local Area Network), relate in particular to a kind of power regulation and management method and device of WAP (wireless access point).
Background technology
Development and WiFi (Wireless Fidelity along with WLAN WLAN technology, Wireless Fidelity) development of chip technology, WiFi is widely used as the WLAN (wireless local area network) access technology of family or hot zones, WLAN become be equipped with built-in WiFi function computer particularly portable computer carry out the important means of Internet service in the WiFi signal coverage areas.In addition, mobile phone with WiFi Client function is just in popularization and application, particularly smart mobile phone and the representative following portable terminal main trend the multimode convergent terminal, WiFi Client has become basic configuration feature, and mobile phone can connect by WiFi in the zone that has the WiFi signal to cover to be carried out Internet service or carry out the VOIP speech business.
At present, the path of the up connection Internet of the AP of wlan network (Access Point, WAP (wireless access point)) mainly is divided into two kinds:
1.WLAN+xDSL network, as shown in Figure 1, the AP of wlan network is by the xDSL wired connection, just can realize that the terminal use connects WLAN AP by wireless WiFi in the WLAN signal cover, WLAN AP connects XDSL and is communicated with the Internet network, so just realized that the terminal use can pass through WLAN wireless communications Internet network in WLAN AP signal cover, this is the topmost WLAN application mode of present individual family, because a large amount of families has opened the xDSL network access at present, WLAN AP is wireless can the very convenient online so that the user stays at home.
2.WLAN+ wireless wideband access network (WCDMA, TD_SCDMA, EVDO, WiMAX, LTE etc.), as shown in Figure 2, HSPA wireless wideband access network with WCDMA is an example: the AP of wlan network connects by the HSPA wireless access, just can realize that the terminal use connects WLAN AP by wireless WiFi in the WLAN signal cover, WLAN AP connects HSPA and is communicated with the Internet network, so just realized that a plurality of terminal uses in WLAN AP signal cover can be by WLAN wireless communications Internet network, this situation is used commonplace under the WiMAX condition that to insert the environment environment better than wire communication condition or WLAN local area network (LAN) be provisional and mobility is stronger.
In realizing process of the present invention, the inventor finds that the WLAN terminal can be regulated the transmitting power of self according to the QoS quality that self detects, to reach the improvement of appropriate transmitting power and uplink communication quality; AP also can be by the access AP in the signal cover that detects this AP the WLAN terminal quantity and the transmitting power of regulating AP self apart from situation between WLAN terminal and the AP; The WLAN terminal can also dispose the transmitting power of AP by the mode of Long-distance Control by the Remote configuration operation interface.Yet, when the WLAN terminal detects the communication quality that receives data and descends because of the received signal variation, the WLAN terminal can only be regulated the transmitting power of AP artificially by the Remote configuration operation interface, and present WLAN agreement does not define the mechanism of WLAN terminal pro-active intervention AP transmitting power.The real-time regulated situation of AP power, less in the wlan network application of common application occasion, because the user demand of the more different user of equilibrium is wanted in the communication of AP, but in privately owned occasion, the scalable function of AP power will be brought very big convenience to the user.
Summary of the invention
The main purpose of the embodiment of the invention is to provide a kind of power regulation and management method and device of WAP (wireless access point), with the transmitting power of real-time regulated wireless access point AP.
The above-mentioned purpose of the embodiment of the invention is achieved by the following technical solution:
The embodiment of the invention provides a kind of power regulation and management method of WAP (wireless access point), and described method is applied to WLAN WLAN terminal, and this method comprises: detect the communication quality of received signal and the signal strength signal intensity of wireless access point AP; Judge whether that according to described communication quality and signal strength signal intensity needs regulate the transmitting power of described wireless access point AP, if then regulate Indication message to described wireless access point AP transmitted power.
The embodiment of the invention also provides a kind of power adjustments management devices of WAP (wireless access point), described device is contained in the WLAN terminal, this device mainly comprises: the communication quality detecting unit is used to detect the communication quality of received signal and the signal strength signal intensity of wireless access point AP; Judging unit is used to judge whether described communication quality is lower than first threshold, and whether perhaps described signal strength signal intensity is positioned at second threshold range; Power adjustments Indication message transmitting element is used for when the result of judgment unit judges is positioned at second threshold range for described communication quality is lower than first threshold or described signal strength signal intensity, to described wireless access point AP transmitted power adjusting Indication message.
The embodiment of the invention also provides a kind of wireless access point apparatus, and described device mainly comprises: power adjustments Indication message receiving element is used to receive the power adjustments Indication message that the WLAN terminal sends; The power adjustments unit is used for regulating transmitting power according to described power adjustments Indication message.
The power regulation and management method and the device of the WAP (wireless access point) that provides by the embodiment of the invention, when the WLAN terminal detects the communication quality that receives data and descends because of the received signal variation, under certain condition, as the WLAN terminal is the administrator, possessing under the condition of administration authority, have the WLAN terminal of regulating AP transmitting power authority and can indicate AP to regulate transmitting power, improve the received communication quality of WLAN terminal with this.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the AP of wlan network connects Internet by the xDSL network uplink a path schematic diagram;
Fig. 2 is the path schematic diagram of the AP of wlan network by the up connection of wireless wideband access network Internet;
The method flow diagram of Fig. 3 embodiment of the invention;
Fig. 4 is that the WLAN terminal indication AP of present embodiment regulates the mutual schematic diagram of transmitting power;
Fig. 5 is the composition frame chart of the WAP (wireless access point) power adjustments management devices of the embodiment of the invention;
Fig. 6 is the composition frame chart of the wireless access point apparatus of the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the embodiment of the invention is described in further details below in conjunction with embodiment and accompanying drawing.At this, illustrative examples of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
Embodiment one:
The embodiment of the invention provides a kind of power regulation and management method of WAP (wireless access point), is elaborated below in conjunction with the method for accompanying drawing to present embodiment.
Fig. 3 is the method flow diagram of present embodiment, Fig. 4 is that the WLAN terminal indication AP of present embodiment regulates the mutual schematic diagram of transmitting power, please refer to Fig. 3, Fig. 4, the power regulation and management method of the WAP (wireless access point) of present embodiment is applied in the WLAN terminal of the privately owned occasion of wlan network, and this method mainly comprises:
301: detect the communication quality of received signal and the signal strength signal intensity of WAP (wireless access point);
The method of present embodiment is the transmitting power for real-time regulated AP, to improve the received communication quality of WLAN terminal, therefore, at first to detect the communication quality of the signal that this WLAN terminal receives and the signal strength signal intensity of wireless access point AP, to determine whether regulating the received communication quality that its transmitting power is improved the WLAN terminal by indication AP.
In the present embodiment, the step of this detection can realize with software in the MAC of WLAN terminal layer, obtain the communication quality and the signal strength signal intensity of received signal according to the result who detects.
302: judge whether that according to described communication quality and signal strength signal intensity needs indicate described WAP (wireless access point) to regulate transmitting power, if then carry out step 303.
According to present embodiment, when the signal strength signal intensity of the communication quality of detected received signal and WAP (wireless access point) can not reach requirement, then being judged as needed the indication wireless access point AP to regulate transmitting power.
In the present embodiment, whether this step 302 can be lower than first threshold by judging described signal of communication quality, whether perhaps described signal strength signal intensity is positioned at second threshold range is realized, if described signal of communication quality is lower than first threshold, perhaps described signal strength signal intensity is positioned at second threshold range, also be received signal too by force or too, the communication quality that then is judged as this WLAN terminal remains to be improved, and needs the indication wireless access point AP to regulate transmitting power.
303: regulate Indication message to described WAP (wireless access point) transmitted power.
In the present embodiment, according to the judged result of step 302, when needs indication wireless access point AP is regulated transmitting power, then generate the power adjustments Indication message, and send to wireless access point AP.
In the present embodiment, the normal data message of the MAC layer that above-mentioned power adjustments Indication message can be by WLAN realizes that as MAC layer-management message, form is as follows:
MA-UNITDATA.request(
source address，
destination address，
routing information，
data，
priority，
service class
)
In the present embodiment, above-mentioned power adjustments Indication message can be according to the reference format definition (with reference to 802.11-2007) of MAC message, as shown in the table, can be " 00 " with Type value value, be that Type description is that the reserved word 0110 of Management type is defined as power and increases, reserved word 0111 is defined as power to be reduced, and wireless access point AP just can have been regulated its transmitting power according to indication after receiving this message.
| Type value b3b2 | Type description | Subtype value b7b6b5b4 | Subtype description |
| 00 | Management | 0000 | Association request |
| 00 | Management | 0001 | Association response |
| 00 | Management | 0010 | Reassociation request |
| 00 | Management | 0011 | Reassociation response |
| 00 | Management | 0100 | Probe request |
| 00 | Management | 0101 | Probe response |
| 00 | Management | 0110-0111 | Reserved |
| 00 | Management | 1000 | Beacon |
| 00 | Management | 1001 | ATIM |
| 00 | Management | 1010 | Disassociation |
| 00 | Management | 1011 | Authentication |
| 00 | Management | 1100 | Deauthentication |
| 00 | Management | 1101 | Action |
| 00 | Management | 1110-1111 | Reserved |
| 01 | Control | 0000-0111 | Reserved |
| 01 | Control | 1000 | Block Ack Request(blockAckReq) |
| 01 | Control | 1001 | Block Ack(blockAck) |
| 01 | Control | 1010 | PS-Poll |
| 01 | Control | 1011 | RTS |
| 01 | Control | 1100 | CTS |
| 01 | Control | 1101 | ACK |
| 01 | Control | 1110 | CF-End |
| 01 | Control | 1111 | CF-End+CF-Ack |
| 10 | Data | 0000 | Data |
| 10 | Data | 0001 | Data+CF-Ack |
| 10 | Data | 0010 | Data+CF-Poll |
| 10 | Data | 0011 | Data+CF-Ack+CF-Poll |
| 10 | Data | 0100 | Null(no data) |
| 10 | Data | 0101 | CF-Ack(no data) |
| 10 | Data | 0110 | CF-Poll(no data) |
| 10 | Data | 0111 | CF-Ack+CF-Poll(no data) |
| 10 | Data | 1000 | QoS Data |
| 10 | Data | 1001 | QoS Data+CF-Ack |
| 10 | Data | 1010 | QoS Data+CF-Poll |
| 10 | Data | 1011 | QoS Data+CF-Ack+CF-Poll |
| 10 | Data | 1100 | QoS Null(no data) |
| 10 | Data | 1101 | Reserved |
| 10 | Data | 1110 | QoS CF-Poll(no data) |
| 10 | Data | 1111 | QoS CF-Ack+CF-Poll(no data) |
| 11 | Reserved | 0000-1111 | Reserved |
According to present embodiment, wireless access point AP can be according to the MAC message interpretation that receives, when the Typevalue value is " 00 ", promptly Type description is the value of Management type during for " 0110 " or " 0111 ", just can come the transmitting power of the corresponding AP of adjusting according to different values.In the present embodiment, after the power adjustments Indication message that wireless access point AP sends according to the WLAN terminal that receives has been regulated its transmitting power, also can send a power adjustments acknowledge message with the expression message authentication to the WLAN terminal.As follows:
MA-UNITDATA.confirm(
source address，
destination address，
transmission status，
provided priority，
provided service class
)
Therefore,, can also comprise the step of the power adjustments acknowledge message that receives described WAP (wireless access point) transmission, receive the power adjustments indication to confirm wireless access point AP, and finished the work of power adjustments according to the method for present embodiment.
Present embodiment is to realize that by MA_UINTDATA.request and MA_UINTDATA.confirm message WLAN terminal indication AP regulates transmitting power.In the method implementation procedure of present embodiment, also can carry the power adjustments Indication message by other message; Perhaps define particular service between a kind of WLAN terminal and the AP and realize that terminal indication AP regulates the AP transmitting power, present embodiment not with this as restriction.
According to present embodiment, before regulating the step of Indication message to the wireless access point AP transmitted power, can also increase a step of checking the administration authority of this WLAN terminal, so that the WLAN terminal further determines whether to indicate AP to regulate transmitting power according to the self-management authority.This step is can both indicate automatically for fear of any WLAN terminal to regulate the confusion that AP power may cause, can realize at the mode that different users sets different authorities by AP, for example set and possess other user of supervisor level and give authority with power adjustments, general domestic consumer does not possess the authority of regulating AP power, specific implementation in the time of can doing device fabrication by the device fabrication merchant, present embodiment not with this as restriction.
Present embodiment is primarily aimed in the situation of the privately owned occasion of wlan network, when the WLAN terminal detects the communication quality that receives data and descends because of the received signal variation, under certain condition, as the WLAN terminal is the administrator, possessing under the condition of administration authority, have the WLAN terminal of regulating AP transmitting power authority and can indicate AP to regulate transmitting power, improve the received communication quality of WLAN terminal with this.
Embodiment two:
The embodiment of the invention also provides a kind of power adjustments management devices of WAP (wireless access point), and this device is contained in the WLAN terminal, is elaborated below in conjunction with the device of accompanying drawing to present embodiment.
Fig. 5 is the composition frame chart of power adjustments management devices of the WAP (wireless access point) of present embodiment, please refer to Fig. 5, the power adjustments management devices of the WAP (wireless access point) of present embodiment mainly comprises: communication quality detecting unit 51, judging unit 52 and power adjustments Indication message transmitting element 53, wherein:
Communication quality detecting unit 51 is used to detect the communication quality of received signal and the signal strength signal intensity of wireless access point AP, so that whether carry out AP power adjustments and power adjustment scheme according to this communication quality and the decision of AP signal strength signal intensity.
Judging unit 52 is used to judge whether described communication quality is lower than first threshold, and whether perhaps described signal strength signal intensity is positioned at second threshold range;
When power adjustments Indication message transmitting element 53 is used for the result that judges when judging unit 52 and is positioned at second threshold range for described communication quality is lower than first threshold or described signal strength signal intensity, to described WAP (wireless access point) transmitted power adjusting Indication message.
According to present embodiment, the power adjustments management devices of described WAP (wireless access point) also comprises:
According to present embodiment, the power adjustments management devices of described WAP (wireless access point) also comprises:
Power adjustments acknowledge message receiving element 55 is used to receive the power adjustments acknowledge message that described wireless access point AP sends, and has received the power adjustments indication to confirm wireless access point AP, and has finished the work of power adjustments.
In the present embodiment, the power adjustments management devices of this WAP (wireless access point) can be realized by the MAC layer of WLAN terminal.
This of the embodiment of the invention indicated the scheme of AP power dynamic adjustments by the WAP (wireless access point) power adjustments management devices of WLAN terminal MAC, mainly is suitable for being applied in privately owned wlan network occasions such as family.
The power adjustments management devices of the WAP (wireless access point) by present embodiment makes the WLAN terminal, and the WLAN terminal in the wlan network under the particularly privately owned occasion can be indicated the transmitting power of regulating AP by the WLAN terminal under the condition of certain demand.The WLAN terminal is judged according to the quality situation of the signal strength signal intensity of AP and the QoS that communicates by letter, regulates transmitting power with indication AP and improves the professional quality of reception.When WLAN terminal distance A P is closer, if find that the transmitting power of AP is excessive,, reduce other and disturb in order to improve communication environment, under the condition that ensures communication quality, can suitably turn down the transmitting power of AP by the WLAN terminal.Automatically monitor judgement by the WLAN terminal and indicate AP to regulate transmitting power in real time, can reach the effect of as far as possible rationalizing coupling of WLAN communication quality and AP transmitting power.
Embodiment three:
The embodiment of the invention also provides a kind of wireless access point apparatus, is elaborated below in conjunction with the device of accompanying drawing to present embodiment.
Fig. 6 is the composition frame chart of the wireless access point apparatus of present embodiment, please refer to Fig. 6, and the wireless access point apparatus of present embodiment mainly comprises power adjustments Indication message receiving element 61 and power adjustments unit 62, wherein:
Power adjustments Indication message receiving element 61 is used to receive the power adjustments Indication message that the WLAN terminal sends.
According to present embodiment, described wireless access point apparatus also comprises:
Power adjustments acknowledge message transmitting element 63 is used for regulating acknowledge message to WLAN terminal transmitted power.
In the present embodiment, this wireless access point apparatus can be realized by the MAC layer of WAP (wireless access point).
By the wireless access point apparatus of present embodiment, regulate its transmitting power according to the power adjustments Indication message of WLAN terminal, to improve the professional quality of reception of WLAN terminal.Automatically monitor judgement by the WLAN terminal and indicate AP to regulate transmitting power in real time, can reach the effect of as far as possible rationalizing coupling of WLAN communication quality and AP transmitting power.
The embodiment of the invention is by defining an AP power management business at the MAC of the MAC of WLAN terminal layer and wireless access point AP layer, WAP (wireless access point) power adjustments management devices by the embodiment of the invention is realized in MAC layer inside, the course of work of this device of not perception of user application layer, the user is in communication process, detect the signal weaker of AP as the MAC of WLAN terminal, in the time of the communication quality variation, described MAC requires AP to regulate transmitting power by the power adjustments Indication message automatically.This power adjustments Indication message can be in the administrative messag of described MAC layer definition by reserved word make and be used for realizing.When the signal that can certainly detect AP at the MAC of WLAN terminal is too strong, AP suitably turns down transmitting power by the indication of power adjustments Indication message, mechanism by WLAN terminal indication AP dynamic adjustments transmitting power reaches the transmitting power of AP and as far as possible rationalizing of communication quality.
In addition, confusion for fear of the AP power adjustments, AP can also be to setting different authorities at different users, for example set and possess other user of supervisor level and give authority with power adjustments, general domestic consumer does not possess the authority of regulating AP power, the state that can not cause confusion so, this authority setting can be realized by variety of way when the device fabrication by the device fabrication merchant.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the power regulation and management method of a WAP (wireless access point) is characterized in that, described method is applied to WLAN WLAN terminal, and this method comprises:
Detect the communication quality of received signal and the signal strength signal intensity of wireless access point AP;
Judge whether that according to described communication quality and signal strength signal intensity needs regulate the transmitting power of described wireless access point AP, if then regulate Indication message to described wireless access point AP transmitted power.
2. method according to claim 1 is characterized in that, describedly judges whether that according to described communication quality and signal strength signal intensity needs regulate the step of the transmitting power of wireless access point AP and comprise:
Judge whether described communication quality is lower than first threshold, and whether perhaps described signal strength signal intensity is positioned at second threshold range, if then be judged as the transmitting power that needs to regulate wireless access point AP.
3. method according to claim 1 is characterized in that, the step of regulating Indication message to described wireless access point AP transmitted power also comprises before:
Check the administration authority of WLAN terminal,, then regulate Indication message to described wireless access point AP transmitted power if described WLAN terminal possesses the authority that the transmitting power of wireless access point AP is regulated in indication.
4. method according to claim 1 is characterized in that, also comprises after the step of described wireless access point AP transmitted power adjusting Indication message:
Receive the power adjustments acknowledge message that described wireless access point AP sends.
5. method according to claim 4 is characterized in that, described power adjustments Indication message is contained in the administrative messag of MAC layer.
6. the power adjustments management devices of a WAP (wireless access point) is characterized in that, described device is contained in the WLAN terminal, and this device mainly comprises:
The communication quality detecting unit is used to detect the communication quality of received signal and the signal strength signal intensity of wireless access point AP;
Judging unit is used to judge whether described communication quality is lower than first threshold, and whether perhaps described signal strength signal intensity is positioned at second threshold range;
Power adjustments Indication message transmitting element is used for when the result of judgment unit judges is positioned at second threshold range for described communication quality is lower than first threshold or described signal strength signal intensity, to described wireless access point AP transmitted power adjusting Indication message.
7. device according to claim 6 is characterized in that, described device also comprises:
The rights management unit, the administration authority of the transmitting power of wireless access point AP is regulated in the indication that is used to manage described WLAN terminal.
8. device according to claim 6 is characterized in that, described device also comprises:
Power adjustments acknowledge message receiving element is used to receive the power adjustments acknowledge message that described wireless access point AP sends.
9. a wireless access point apparatus is characterized in that, described device mainly comprises:
Power adjustments Indication message receiving element is used to receive the power adjustments Indication message that the WLAN terminal sends;
The power adjustments unit is used for regulating transmitting power according to described power adjustments Indication message.
10. device according to claim 9 is characterized in that, described device also comprises:
Power adjustments acknowledge message transmitting element is used for regulating acknowledge message to WLAN terminal transmitted power.
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| CNA200910002088XA CN101448312A (en) | 2009-01-16 | 2009-01-16 | Power regulation and management method of wireless access point and device thereof |
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| CNA200910002088XA CN101448312A (en) | 2009-01-16 | 2009-01-16 | Power regulation and management method of wireless access point and device thereof |
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