CN101325439A - Method and system for setting intelligent antenna - Google Patents
Method and system for setting intelligent antenna Download PDFInfo
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- CN101325439A CN101325439A CNA200710110069XA CN200710110069A CN101325439A CN 101325439 A CN101325439 A CN 101325439A CN A200710110069X A CNA200710110069X A CN A200710110069XA CN 200710110069 A CN200710110069 A CN 200710110069A CN 101325439 A CN101325439 A CN 101325439A
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Abstract
The invention provides a setting method of an intelligent antenna and a system, wherein the intelligent antenna is provided with a plurality of antenna field types and used for communicating with at least a wireless communication device. The method has periodic sense in turn and stores the connecting quality test result of the wireless communication device corresponding to a plurality of antenna field types, determines the optimum antenna group of the antenna, and when the antenna decides to communicate with the wireless communication device, the antenna is set according to the optimum antenna group, to obtain the optimum communication quality.
Description
Technical field
The invention provides a kind of establishing method and system that is applied to the intelligent antenna of wireless network, refer to that especially a kind of field pattern of intelligent antenna that dynamically switches is to reach the method and system of best communication quality.
Background technology
Along with new generation of wireless network technology (IEEE 802.11a/b/g) is constantly improved, the network bandwidth that it provided can satisfy the frequency range demand of video-audio in the digital home, yet in actual domestic environment, each corner at home because the wireless network receiving equipment distributes, wireless signal is in the transmission course middle indoor layout that is subject to get home, wall, influence such as furniture is put and personnel walk about and produce multi-path decay (multi-path fading), in addition, the communication apparatus of microwave oven or employing similar frequency bands also can cause interference to the receiving efficiency of receiving equipment, make the user see through video-audio data that wireless network transmits and be difficult to keep stable, cause the user to view and admire the puzzlement of video signal program.
Traditionally, what home wireless network used is isotropic Antenna Design, is the past 360 ° of ground transmission signals on every side in center with the antenna, can't adjust its radiation pattern to obtain preferable communication quality at specific receiving equipment (station).Therefore, unstable state timing when the network transmission, the known practice adopts lower line speed to transmit data to improve the antijamming capability of signal, and in case have any one receiving equipment to meet with serious multi-path decay or household electrical appliances disturb when making the line bad, the transmission rate of all receiving equipments all can be turned down (for example reducing to 24Mbps from 54Mbps) together, the line speed of the actual use of wireless network is not general cognitive 54Mbps thus, often have only 24Mbps or lower, can't effectively utilize network bandwidth.
Summary of the invention
In view of this, the invention provides a kind of establishing method and system that is applied to the intelligent antenna of wireless network, it determines the optimal antenna configuration of antenna according to network environment and receiving equipment, and dynamically the field pattern of intelligent antenna is set at the optimal antenna configuration to improve communication quality, reduce the influence that multi-path decay or other communication apparatus disturb, make wireless network can maintain high transfer rate, effectively utilize network bandwidth.
According to one embodiment of the invention, it discloses a kind of method that determines a target antenna configuration of an antenna, and this antenna has multiple antenna patterns illustrated and is used for carrying out communication with at least one wireless communication apparatus.This method includes periodically detects the line quality of this wireless communication apparatus corresponding to this multiple antenna patterns illustrated in regular turn, and stores the line attribute test result of correspondence, the target antenna configuration that these a plurality of line attribute test results of basis obtain a target link attribute test result and decide this antenna according to the pairing antenna patterns illustrated of this target link attribute test result.
According to another embodiment of the present invention, it discloses a kind of system that determines a target antenna configuration of an antenna, and wherein this antenna has multiple antenna patterns illustrated and is used for carrying out communication with at least one wireless communication apparatus.This system includes an antenna controller, a state detecting device, a storage device and a processor, wherein this state detecting device is used for carrying out periodically detecting the line quality of this wireless communication apparatus corresponding to this multiple antenna patterns illustrated in regular turn when signal transmits at this antenna and this wireless communication apparatus, and stores corresponding line attribute test result; This storage device is used for storing to a line attribute test result that should the line quality; And this processor is coupled to this antenna controller, this state detecting device and this storage device, be used for obtaining a target link attribute test result, and decide the target antenna configuration of this antenna according to the pairing antenna patterns illustrated of this target link attribute test result according to these a plurality of line attribute test results.
Description of drawings
Figure 1 shows that antenna system of the present invention is applied to the schematic diagram of an embodiment of a wireless network.
Figure 2 shows that the flow chart of the target antenna configuration of embodiment of the invention decision antenna.
Embodiment
Figure 1 shows that antenna system of the present invention is applied to the schematic diagram of an embodiment of a wireless network, wherein intelligent antenna (smart antenna) refers to have the antenna of multiple radiation pattern, for example has stronger signal emissive porwer at a certain special angle.In the present embodiment, intelligent antenna 110 is applied to the access point (access point) of a wireless network, and system's 100 usefulness decide the optimal antenna configuration (for example optimal field pattern) of intelligent antenna 110 corresponding to a wireless communication apparatus 120, and when this access point (not shown) desire is carried out communication with wireless communication apparatus 120, set antenna 110, and then obtain the communication quality of expectation with this optimal antenna configuration.Therefore, system 100 includes an antenna controller 102, a state detecting device 104, a storage device 106 and a processor 108, in the present embodiment, antenna controller 102 be responsible for the hardware setting of antennas 110, the output/input interface of access point is carried out hardware such as initialization and read-write relevant initially and setting work.
When system 100 begins to calculate antenna 110 corresponding to the optimal antenna configuration of wireless communication apparatus 120, processor 108 at first sees through antenna controller 102 field pattern of antenna 110 is set at one first antenna patterns illustrated in its multiple antenna patterns illustrated of supporting, and carry out the signal transmission with antenna after setting 110 and wireless communication apparatus 120, and the just line quality between detecting wireless communication device 120 and access point of state detecting device 104 this moment reads line attribute test result and this line attribute test result is sent to processor 108 to carry out subsequent treatment from the receiver module 122 of wireless communication apparatus 120.In the present embodiment, the line attribute test result that state detecting device 104 is read comprises the data that access point receives that wireless communication apparatus 120 is transmitted and reception signal strength indicated value (the received signal strength indicator of response (acknowl edgement), RSSI), the signal transfer rate, the wrong number of retransmissions that signal receiving velocity and access point are taken place when transmitting data to wireless communication apparatus 120, and these test results are after being sent to processor 108, just be stored in the storage device 106 via processor 108, or after analyzing (for example calculating average reception signal strength indicated value) by 108 pairs of test results of processor analysis result be stored in storage device 106.
Then, processor 108 sees through antenna controller 102 again the field pattern of antenna 110 is set at second antenna patterns illustrated, carries out the signal transmission with antenna 110 after setting and wireless communication apparatus 120; State detecting device 104 reads line attribute test result once again and this line attribute test result is stored in the storage device 106 via processor 108.Above-mentioned steps will repeat up to detecting and store the line attribute test result who finishes corresponding each antenna patterns illustrated, processor 108 just carries out optimum solution calculating according to a plurality of line attribute test results that are stored in the storage device 106 afterwards, to draw the line attribute test result an of the best, and decide the optimal antenna configuration of antenna 110 according to the pairing antenna patterns illustrated of best line attribute test result that draws, the optimal antenna configuration that final decision goes out with and pairing best line attribute test result all can be stored in the storage device 106.For instance, processor 108 is carried out the convergency value that an optimized algorithm draws each line attribute test result, relatively those convergency values and should the pairing antenna patterns illustrated of the best line attribute test result be the optimal antenna configuration of antenna 110 when carrying out communication with wireless communication apparatus 120 drawing the line attribute test result an of the best again.Note that the present invention does not limit processor 108 and needs to adopt which kind of algorithm, all can be applicable in the present embodiment so long as can from those line attribute tests result, draw a best line attribute test result algorithm.
Figure 2 shows that the flow chart of step of the target antenna configuration of above-mentioned decision antenna 110.As shown in the figure, the implementation step of the foregoing description includes:
Step 202: the field pattern of antenna 110 is set at a antenna patterns illustrated in these antenna field pattern.
Step 204: carry out the signal transmission with antenna 110 after setting and wireless communication apparatus 120.
Step 206: detecting wireless communication device 120 is corresponding to a line quality of this antenna patterns illustrated, and stores a line attribute test result that should the line quality.
Step 208: judge whether to set each antenna patterns illustrated? if then enter step 210; If not, then get back to step 202, antenna 110 is set at another antenna patterns illustrated.
Step 210: draw a target link attribute test result according to a plurality of line attribute test results.
Step 212: the target antenna configuration that decides antenna 110 according to the pairing antenna patterns illustrated of this target link attribute test result.
Please note, under the prerequisite that can obtain identical in fact effect, the flow process of decision target antenna configuration can not exclusively be carried out according to said sequence or implement continuously, that is to say, in above-mentioned step, also can insert other step, and step 202 to step 208 is equal to periodically in regular turn detecting wireless communication device 120 in fact corresponding to the line quality of the multiple antenna patterns illustrated of antenna 110, and stores corresponding line attribute test result.
In addition, set the step of antenna 110 for convenience of description, only shown a wireless communication apparatus 120 among the foregoing description and the 1st figure, yet the present invention is not as limit, that is antenna 110 can be used to carry out communication with a plurality of wireless communication apparatus equally, and in this case, step 204 is carried out communication with the antenna 110 after setting with those wireless communication apparatus; Each wireless communication apparatus is periodically detected and stored to step 206 in regular turn to line attribute test result that should antenna patterns illustrated, because the data that read from wireless communication apparatus are meant media access control layer (MAC layer) address that is shown with wireless communication apparatus, to go out present institute detecting data be line attribute test result for which wireless communication apparatus so system 100 is distinguishable, and can be stored in storage device 106 respectively; Step 210 is at each wireless communication apparatus, and a plurality of line attribute test results according to corresponding those antenna patterns illustrated calculate a target link attribute test result; The pairing antenna patterns illustrated of target link attribute test result that step 212 then calculates according to step 210 decides the target antenna configuration between antenna 110 and wireless communication apparatus.
Therefore, when having a plurality of wireless communication apparatus in the covering scope of antenna 110, can find out respectively by system 100 and to have the antenna patterns illustrated of best communication quality when antenna 110 carries out line with each wireless communication apparatus, and those be set (comprising the line attribute test result, the network address of optimal antenna configuration, optimal antenna configuration correspondence etc.) and store into antenna configuration tabulation.Convert mode of operation and finish back system 100 to from set condition in antenna configuration tabulation: when access point desire and those wireless communication apparatus in arbitrary wireless communication apparatus when carrying out communication, processor 108 is just chosen the field pattern of optimal antenna configuration that should wireless communication apparatus being set antenna 110 in antenna configuration tabulation, just can provide optimized antenna settings at different receiving terminals thus, obtain best communication quality, reduce the influence that multi-path decay or other communication apparatus disturb, make wireless network can maintain high transfer rate, effectively utilize network bandwidth.
When access point and wireless communication apparatus 120 carried out the signal transmission, the line quality between state detecting device 104 sustainable monitoring wireless communication apparatus 120 and access point was to produce line quality detecting result.And this line quality detecting result system is sent to processor 108 to compare with best line attribute test result, judges whether to carry out again above-mentioned steps to upgrade the optimal antenna configuration of antenna 110 corresponding wireless communication apparatus 120 according to comparative result.For example the unusual or wrong number of retransmissions of transmission rate that detects 120 of access point and wireless communication apparatus when state detecting device 104 significantly increases; the environment of expression wireless network this moment has changed and has made that the previous optimal antenna configuration of setting is inapplicable; so system 100 just re-executes setting program finding out the antenna configuration that meets present network environment most, and upgrade the antenna configuration tabulation that is stored in the storage device 106 according to the optimal antenna configuration that newly draws.
In addition, when the position change that detects wireless communication apparatus 120, have another wireless communication apparatus newly-increased to antenna 110 covering scope or when having wireless communication apparatus to leave covering scope, system 100 also can carry out aforesaid setting program once again to draw present optimal antenna configuration and to upgrade the tabulation of antenna configuration, for example can judge whether shift position of wireless communication apparatus 120 by the reception signal strength indicated value of 110 on relatively wireless communication apparatus 120 and antenna and average reception signal strength indicated value, if present reception signal strength indicated value has violent change with respect to average reception signal strength indicated value, represent that then the position of wireless communication apparatus 120 may be moved.This only is a kind of determination methods that present embodiment proposed, and the method that other personage who knows this skill can associate after the exposure of reading the foregoing description easily also belongs to category of the present invention.In addition, system 100 can re-execute setting program to all wireless communication apparatus that is positioned at the covering scope of antenna 110, perhaps also can be only at move/this newly-increased specific wireless communication device carry out the renewal of optimal antenna configuration, look closely user's demand and decide.
On real the work, system 100 can be integrated in antenna 110 applied communication apparatus (a for example access point), be integrated in wireless communication apparatus 120 or be independent of between antenna 110 and access point and control media as one, and the present invention does not limit with hardware or software mode and implements, if can be in the network system rear end (back end) control of intelligent antenna is provided.In addition, the user more can set up the operating state of an instruction parser (commandparser) with inspection system, or see through the instruction parser according to demand and optionally open or close processor 108, for example if system 100 be to be integrated in wireless communication apparatus 120 or independently be one to control media, and when the employed antenna of network system this moment is omni-directional antenna (or non-antenna with multiple antenna patterns illustrated), the user can shutdown system 100 stopping the function of antenna settings, so the present invention quite has elasticity on using.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claims of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (12)
1. method that determines a target antenna configuration of an antenna, above-mentioned antenna has multiple antenna patterns illustrated and is used for carrying out communication with at least one wireless communication apparatus, it is characterized in that said method includes:
Periodically detect the line quality of above-mentioned wireless communication apparatus in regular turn, and store corresponding line attribute test result corresponding to above-mentioned multiple antenna patterns illustrated;
Obtain a target link attribute test result according to above-mentioned a plurality of line attribute test results; And
Decide the target antenna configuration of above-mentioned antenna according to the pairing antenna patterns illustrated of above-mentioned target link attribute test result.
2. method according to claim 1, it is characterized in that, wherein above-mentioned line attribute test result includes one and receives signal strength indicated value (received signal strength indicator, RSSI), a signal transfer rate, a signal receiving velocity or a wrong number of retransmissions, and be stored in antenna configuration tabulation.
3. method according to claim 1 is characterized in that, wherein obtains above-mentioned target link attribute test result according to above-mentioned multiple line attribute test result and includes:
Calculate the pairing a plurality of convergency values of above-mentioned multiple line attribute test result; And
More above-mentioned multiple convergency value is to obtain above-mentioned target link attribute test result according to above-mentioned multiple line attribute test result.
4. method according to claim 1 is characterized in that it more includes:
Set the field pattern of above-mentioned antenna according to above-mentioned target antenna configuration, and a line quality of detecting between above-mentioned wireless communication apparatus and the above-mentioned antenna is detected the result to produce a line quality;
Above-mentioned line quality detecting result and above-mentioned target link attribute test result are compared, to draw a comparative result; And
Judge whether to determine to upgrade above-mentioned target antenna configuration again according to above-mentioned comparative result.
5. method according to claim 1 is characterized in that, more includes:
When detect that above-mentioned wireless communication apparatus moves or another wireless communication apparatus newly-increased to the covering scope of above-mentioned antenna the time, determine above-mentioned target antenna configuration again.
6. method according to claim 5, wherein detect the line quality of above-mentioned wireless communication apparatus in regular turn corresponding to above-mentioned multiple antenna patterns illustrated, and store corresponding line attribute test result more include the average reception signal strength indicated value calculating and store above-mentioned multiple antenna patterns illustrated (received signa1strength indicator, RSSI); And detect the whether step of shift position of above-mentioned wireless communication apparatus, and it is characterized in that, include:
Detect one between above-mentioned wireless communication apparatus and above-mentioned antenna and receive the signal strength indicated value;
One average reception signal strength indicated value of the field pattern of more above-mentioned reception signal strength indicated value and corresponding above-mentioned target antenna configuration is to draw a comparative result; And
Judge whether shift position of above-mentioned wireless communication apparatus according to above-mentioned comparative result.
7. system that determines a target antenna configuration of an antenna, above-mentioned antenna has multiple antenna patterns illustrated and is used for carrying out communication with at least one wireless communication apparatus, it is characterized in that said system includes:
One antenna controller;
One state detecting device is used for carrying out periodically detecting the line quality of above-mentioned wireless communication apparatus corresponding to above-mentioned multiple antenna patterns illustrated in regular turn when signal transmits at above-mentioned antenna and above-mentioned wireless communication apparatus, and stores corresponding line attribute test result;
One storage device is used for storing a line attribute test result of corresponding above-mentioned line quality; And
One processor, be coupled to above-mentioned antenna controller, above-mentioned state detecting device and said storage unit, be used for obtaining a target link attribute test result, and decide the target antenna configuration of above-mentioned antenna according to the pairing antenna patterns illustrated of above-mentioned target link attribute test result according to above-mentioned a plurality of line attribute test results.
8. system according to claim 7, it is characterized in that, wherein above-mentioned line Q factor includes reception signal strength indicated value (received signal strength indicator, RSSI), signal transfer rate, signal receiving velocity or wrong number of retransmissions, and be stored in antenna configuration tabulation.
9. system according to claim 7, it is characterized in that, wherein above-mentioned processor calculates the pairing a plurality of convergency values of above-mentioned multiple line attribute test result, and more above-mentioned multiple convergency value is to obtain above-mentioned target link attribute test result according to above-mentioned multiple line attribute test result.
10. system according to claim 7 is characterized in that, wherein above-mentioned processor is more controlled the field pattern that above-mentioned antenna controller comes the above-mentioned antenna of the above-mentioned target antenna configuration and setting of foundation; Above-mentioned state detecting device is the line quality between above-mentioned wireless communication apparatus of detecting and the above-mentioned antenna after above-mentioned antenna controller is according to the field pattern of the above-mentioned antenna of above-mentioned target antenna configuration and setting more, to produce line quality detecting result; And above-mentioned processor more with above-mentioned line quality detecting result and above-mentioned target link attribute test result relatively, and drawing a comparative result, and the above-mentioned comparative result of foundation judges whether to determine again above-mentioned target antenna configuration.
11. system according to claim 7 is characterized in that, wherein above-mentioned processor is more newly-increased to the covering scope of above-mentioned antenna the time in detecting above-mentioned wireless communication apparatus shift position or another wireless communication apparatus, determines above-mentioned target antenna configuration again.
12. system according to claim 11, it is characterized in that, when wherein above-mentioned state detecting device is detected above-mentioned wireless communication apparatus corresponding to the above-mentioned line quality of above-mentioned multiple antenna patterns illustrated, detecting one receives the signal strength indicated value, and above-mentioned processor more calculates the average reception signal strength indicated value of the corresponding above-mentioned multiple antenna patterns illustrated of above-mentioned wireless communication apparatus according to the reception signal strength indicated value of above-mentioned detecting, and above-mentioned average reception signal strength indicated value is stored in the said storage unit; When the above-mentioned wireless communication apparatus of detecting whether during the shift position, the average reception signal strength indicated value of field pattern that receives signal strength indicated value and corresponding above-mentioned target antenna configuration that above-mentioned processor is detected by more above-mentioned state detecting device to be drawing a comparative result, and judges whether shift position of above-mentioned wireless communication apparatus according to above-mentioned comparative result.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101902264A (en) * | 2010-06-30 | 2010-12-01 | 德又达网络通讯科技(上海)有限公司 | Control method of smart antenna in 802.11 wireless communications |
CN104467911A (en) * | 2013-09-18 | 2015-03-25 | 联想(北京)有限公司 | Antenna mode adjustment method, antenna mode adjustment device and mobile terminal |
CN106099397A (en) * | 2016-08-18 | 2016-11-09 | 常熟市泓博通讯技术股份有限公司 | There is the electronic installation of multiple antennas |
-
2007
- 2007-06-14 CN CNA200710110069XA patent/CN101325439A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101902264A (en) * | 2010-06-30 | 2010-12-01 | 德又达网络通讯科技(上海)有限公司 | Control method of smart antenna in 802.11 wireless communications |
CN101902264B (en) * | 2010-06-30 | 2014-03-19 | 德又达网络通讯科技(上海)有限公司 | Control method of smart antenna in 802.11 wireless communications |
CN104467911A (en) * | 2013-09-18 | 2015-03-25 | 联想(北京)有限公司 | Antenna mode adjustment method, antenna mode adjustment device and mobile terminal |
CN106099397A (en) * | 2016-08-18 | 2016-11-09 | 常熟市泓博通讯技术股份有限公司 | There is the electronic installation of multiple antennas |
CN106099397B (en) * | 2016-08-18 | 2018-11-16 | 常熟市泓博通讯技术股份有限公司 | Electronic device with multiple antennas |
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Application publication date: 20081217 |