CN107172647B - Acquisition configuration method and device for directional antenna - Google Patents

Acquisition configuration method and device for directional antenna Download PDF

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CN107172647B
CN107172647B CN201710431964.5A CN201710431964A CN107172647B CN 107172647 B CN107172647 B CN 107172647B CN 201710431964 A CN201710431964 A CN 201710431964A CN 107172647 B CN107172647 B CN 107172647B
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selected direction
terminals
acquisition
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training period
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CN107172647A (en
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王阿莉
蔡孝魁
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Beijing Star Net Ruijie Networks Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/04Arrangements for maintaining operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00Indexing scheme associated with group H04L61/00
    • H04L2101/60Types of network addresses
    • H04L2101/618Details of network addresses
    • H04L2101/622Layer-2 addresses, e.g. medium access control [MAC] addresses

Abstract

The invention discloses a method and a device for acquiring and configuring a directional antenna, wherein the method comprises the following steps: scanning each selected direction in a training period; counting the number of first terminals in each selected direction and the number of second terminals in all selected directions according to the terminals scanned in each selected direction in the training period; and determining the acquisition time length of each selected direction according to the number of the first terminals, the number of the second terminals and the time length of the acquisition period of each selected direction. In the scheme, the WIFI probe adopts the directional antenna, the coverage area is wider compared with that of an omnidirectional antenna, the interfered range is smaller, the MAC addresses of the terminals in all selected directions can be collected more accurately, and the collection effect of the WIFI probe is improved.

Description

Acquisition configuration method and device for directional antenna
Technical Field
The present invention relates to the field of smart antenna technology, and in particular, to a method and apparatus for acquiring and configuring directional antennas.
Background
A Wireless Fidelity (WIFI) probe is generally installed in a place with a large traffic, such as a crossroad, a mall, a train station, etc., and is used to collect a media access control (mac) address of a terminal with a WIFI function.
In consideration of a coverage angle, the WIFI probe generally adopts an omnidirectional antenna, the omnidirectional antenna can cover a range of 360 degrees due to a large lobe angle, but the omnidirectional antenna has small gain and a short coverage distance under the same volume; meanwhile, when the WIFI probe receives a message sent by a terminal within a range of 360 degrees, the WIFI probe is also subjected to same frequency band interference from all directions, for example, a mobile phone 3G/4G signal, a bluetooth signal and other microwave signals exist simultaneously in a 2.4G frequency band, under such a condition, the signal interference received by the omnidirectional antenna is serious, and the acquisition effect of the WIFI probe is poor.
Disclosure of Invention
The embodiment of the invention provides a directional antenna acquisition configuration method and a directional antenna acquisition configuration device, which are used for solving the problem of poor acquisition effect of a WIFI probe caused by short coverage distance and serious signal interference in the prior art.
According to an embodiment of the present invention, there is provided a directional antenna acquisition configuration method, applied to at least two directional antennas included in a WIFI probe, including:
scanning four selected directions of the south, the east, the west and the north in a training period respectively;
counting the number of first terminals in each selected direction and the number of second terminals in all selected directions according to the terminals scanned in each selected direction in the training period;
and determining the acquisition time length of each selected direction according to the number of the first terminals, the number of the second terminals and the time length of the acquisition period of each selected direction.
Specifically, scanning each selected direction in the training period includes:
equally dividing the time length of the training period according to the number of the selected directions to obtain the sub-time lengths of the number;
and scanning each selected direction in each sub-time length.
Specifically, the counting of the number of the first terminals in each selected direction and the number of the second terminals in all selected directions according to the terminals scanned in each selected direction in the training period specifically includes:
acquiring terminals scanned in each selected direction in the training period;
counting the number of the first terminals in each selected direction;
and adding the first terminal quantity of each selected direction to obtain the second terminal quantity of all selected directions.
Specifically, determining the acquisition duration of each selected direction according to the number of the first terminals, the number of the second terminals and the duration of the acquisition period of each selected direction specifically includes:
for each selected direction, performing:
dividing the number of the first terminals in the current selected direction by the number of the second terminals to obtain the acquisition duration ratio of the current selected direction;
and multiplying the acquisition time length ratio of the current selected direction by the time length of the acquisition period to obtain the acquisition time length of the current selected direction.
Optionally, the method further includes:
after receiving the training instruction, executing the step of scanning each selected direction in the training period; alternatively, the first and second electrodes may be,
and after the beginning of the training period is detected, executing the step of scanning each selected direction in the training period.
According to an embodiment of the present invention, there is also provided an acquisition configuration device for a directional antenna, which is applied to a directional antenna included in a WIFI probe, including:
the scanning module is used for scanning each selected direction in a training period;
the counting module is used for counting the number of first terminals in each selected direction and the number of second terminals in all selected directions according to the terminals scanned in each selected direction in the training period;
and the determining module is used for determining the acquisition time length of each selected direction according to the number of the first terminals, the number of the second terminals and the time length of the acquisition period of each selected direction.
Specifically, the scanning module is specifically configured to:
equally dividing the time length of the training period according to the number of the selected directions to obtain the sub-time lengths of the number;
and scanning each selected direction in each sub-time length.
Specifically, the statistical module is specifically configured to:
acquiring terminals scanned in each selected direction in the training period;
counting the number of the first terminals in each selected direction;
and adding the first terminal quantity of each selected direction to obtain the second terminal quantity of all selected directions.
Specifically, the determining module is specifically configured to:
for each selected direction, performing:
dividing the number of the first terminals in the current selected direction by the number of the second terminals to obtain the acquisition duration ratio of the current selected direction;
and multiplying the acquisition time length ratio of the current selected direction by the time length of the acquisition period to obtain the acquisition time length of the current selected direction.
Optionally, the scanning module is further configured to:
after receiving the training instruction, executing the step of scanning each selected direction in the training period; alternatively, the first and second electrodes may be,
and after the beginning of the training period is detected, executing the step of scanning each selected direction in the training period.
The invention has the following beneficial effects:
the embodiment of the invention provides a method and a device for acquiring and configuring a directional antenna, which are used for scanning all selected directions in a training period; counting the number of first terminals in each selected direction and the number of second terminals in all selected directions according to the terminals scanned in each selected direction in the training period; and determining the acquisition time length of each selected direction according to the number of the first terminals, the number of the second terminals and the time length of the acquisition period of each selected direction. In the scheme, the WIFI probe adopts the directional antenna, and under the condition of equivalent gain, the directional diagram of the omnidirectional antenna is flatter in the vertical direction, and the directional diagram of the directional antenna is fuller in the vertical direction, so that the coverage range is wider relative to the omnidirectional antenna; meanwhile, because the directional antenna is only interfered by signals in the coverage angle, compared with an omnidirectional antenna, the interfered range is smaller, the coverage effect is better, and the acquisition effect of the WIFI probe is relatively improved; and the acquisition duration of each selected direction is determined according to the number of the first terminals, the number of the second terminals and the duration of the acquisition period which are actually scanned in each selected direction, so that the omnidirectional coverage can be realized, the MAC addresses of the terminals in each selected direction can be acquired more accurately, and the acquisition effect of the WIFI probe is improved.
Drawings
Fig. 1 is a flowchart of a method for acquiring and configuring a directional antenna according to an embodiment of the present invention;
FIG. 2 is a flowchart of S12 in an embodiment of the present invention;
FIG. 3 is a flowchart of S13 in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an acquisition configuration device of a directional antenna in an embodiment of the present invention.
Detailed Description
Aiming at the problems of short coverage distance and serious signal interference in the prior art, which cause poor acquisition effect of a WIFI probe, the embodiment of the invention provides an acquisition configuration method of directional antennas, which can be but not limited to be applied to the directional antennas included in the WIFI probe, wherein the number of the directional antennas can be set according to actual needs, and the acquisition configuration method can be executed in each directional antenna no matter what the number of the directional antennas included in the WIFI probe is. The flow of the method is shown in fig. 1, and the execution steps are as follows:
s11: each selected direction is scanned during a training period.
Since the position of the wireless terminal may be moved, which results in a change of the number of terminals in each selected direction in real time, each selected direction may be scanned first, which may be triggered by receiving a training instruction or after detecting the start of a training period.
The specific implementation process of the step is as follows: and equally dividing the time length of the training period according to the number of the selected directions to obtain sub-time lengths of the number of the selected directions, and scanning each selected direction in each sub-time length. Here, only one implementation is listed, that is, the duration of the training period is equally divided into each selected direction for scanning, and of course, other manners may also be adopted, for example, the duration of the training period in one selected direction is divided into one third, and the duration of the training period in other selected directions is equally divided into two thirds, and there are many other manners, which are not described again.
The selected direction can be set according to actual needs, for example, four directions including southeast, northwest, and west; the training period can also be set according to actual needs, for example, 5 minutes, 30 minutes, 40 minutes, and so on.
S12: and counting the number of first terminals in each selected direction and the number of second terminals in all selected directions according to the terminals scanned in each selected direction in the training period.
After scanning each selected direction in the training period, the terminal is scanned in each selected direction. Then, the number of terminals in each selected direction and the number of terminals in all selected directions may be counted according to the scanned terminals in each selected direction, and for convenience of distinction, the number of terminals in each selected direction may be defined as a first number of terminals, and the number of terminals in all selected directions may be defined as a second number of terminals. If there are four selected directions, the number of the first terminals is four.
S13: and determining the acquisition time length of each selected direction according to the number of the first terminals, the number of the second terminals and the time length of the acquisition period of each selected direction.
When the acquisition time length of each selected direction is finally determined, the acquisition time length can be determined according to the number of the first terminals, the number of the second terminals and the time length of the acquisition period of each selected direction, and the actually scanned terminals are referred, so that the acquisition time length can be more accurately distributed to each selected direction. The directional antenna can scan according to the determined acquisition duration of each selected direction, so as to acquire the MAC address of the terminal in each selected direction. The acquisition period may also be set according to actual needs, for example, set to 5 minutes, 30 minutes, 40 minutes, and so on.
In the scheme, the WIFI probe adopts the directional antenna, and under the condition of equivalent gain, the directional diagram of the omnidirectional antenna is flatter in the vertical direction, and the directional diagram of the directional antenna is fuller in the vertical direction, so that the coverage range is wider relative to the omnidirectional antenna; meanwhile, because the directional antenna is only interfered by signals in the coverage angle, compared with an omnidirectional antenna, the interfered range is smaller, the coverage effect is better, and the acquisition effect of the WIFI probe is relatively improved; and the acquisition duration of each selected direction is determined according to the number of the first terminals, the number of the second terminals and the duration of the acquisition period which are actually scanned in each direction, so that the omnidirectional coverage can be realized, the MAC addresses of the terminals in each selected direction can be acquired more accurately, and the acquisition effect of the WIFI probe is improved.
Specifically, in the above S12, the counting of the number of the first terminals in each selected direction and the number of the second terminals in all selected directions according to the terminals scanned in each selected direction in the scanning period includes, as shown in fig. 2:
s121: terminals scanned in various selected directions during a training period are acquired.
Since the respective selected directions are scanned in the training period in S11, the terminals scanned in the respective selected directions in the training period can be directly acquired.
The following description will be given taking four selected directions of southeast, northwest, and east as an example.
S122: the number of first terminals in each selected direction is counted.
For the convenience of subsequent calculation, the counted number of the first terminals in the four selected directions of east, south, west and north can be defined as N1、N2、N3、N4
S123: and adding the first terminal quantity of each selected direction to obtain the second terminal quantity of all selected directions.
Continuing to use the above example, adding the first terminal numbers of the four selected directions to obtain the second terminal numbers N of all the selected directions1+N2+N3+N4
Through S121-S123, the number of the first terminals in each selected direction and the number of the second terminals in all selected directions can be counted, so as to subsequently determine the acquisition duration of each selected direction.
Specifically, in the above S13, the acquiring duration of each selected direction is determined according to the number of the first terminals, the number of the second terminals, and the duration of the acquiring period of each selected direction, which is implemented as shown in fig. 3, and for each selected direction, the following steps are performed:
s131: and dividing the number of the first terminals and the number of the second terminals in the current selected direction to obtain the ratio of the acquisition duration in the current selected direction.
Continuing with the above example, if the currently selected direction is east, the ratio of the acquisition duration of the currently selected direction is
Figure BDA0001317565440000071
If the current selected direction is south, the acquisition time length of the current selected direction accounts for
Figure BDA0001317565440000072
If the current selected direction is west, the acquisition duration ratio of the current selected direction is
Figure BDA0001317565440000073
If the current selected direction is north, the acquisition time length of the current selected direction accounts for
Figure BDA0001317565440000074
S132: and multiplying the acquisition time length ratio of the current selected direction by the time length of the acquisition period to obtain the acquisition time length of the current selected direction.
Continuing with the above example, assuming that the duration of the acquisition period is defined as T, the acquisition durations in the four selected directions of east, south, west, and north are respectively:
Figure BDA0001317565440000075
Figure BDA0001317565440000076
the determination of the acquisition duration for each selected direction according to the number of the first terminals, the number of the second terminals and the duration of the acquisition period for each selected direction can be realized through steps S131-S132.
Based on the same inventive concept, the embodiment of the invention provides an acquisition configuration device of a directional antenna, which can be applied to the directional antenna of a WIFI probe, wherein the number of the directional antennas can be set according to actual needs, and the acquisition configuration device can be applied to each directional antenna no matter how many directional antennas are included in the WIFI probe. The structure of the device is shown in fig. 4, and specifically comprises:
a scanning module 41, configured to scan each selected direction in a training period;
a counting module 42, configured to count, according to the terminals scanned in each selected direction in the training period, the number of first terminals in each selected direction and the number of second terminals in all selected directions;
and a determining module 43, configured to determine the acquisition duration for each selected direction according to the number of the first terminals, the number of the second terminals, and the duration of the acquisition period for each selected direction.
In the scheme, the WIFI probe adopts the directional antenna, and under the condition of equivalent gain, the directional diagram of the omnidirectional antenna is flatter in the vertical direction, and the directional diagram of the directional antenna is fuller in the vertical direction, so that the coverage range is wider relative to the omnidirectional antenna; meanwhile, because the directional antenna is only interfered by signals in the coverage angle, compared with an omnidirectional antenna, the interfered range is smaller, the coverage effect is better, and the acquisition effect of the WIFI probe is relatively improved; and the acquisition duration of each selected direction is determined according to the number of the first terminals, the number of the second terminals and the duration of the acquisition period which are actually scanned in each selected direction, so that the omnidirectional coverage can be realized, the MAC addresses of the terminals in each selected direction can be acquired more accurately, and the acquisition effect of the WIFI probe is improved.
Specifically, the scanning module 41 is specifically configured to:
equally dividing the time length of the training period according to the number of the selected directions to obtain sub-time lengths of the number of the selected directions;
and scanning each selected direction in each sub-time length.
Specifically, the statistical module 42 is specifically configured to:
acquiring terminals scanned in each selected direction in a training period;
counting the number of the first terminals in each selected direction;
and adding the first terminal quantity of each selected direction to obtain the second terminal quantity of all selected directions.
Specifically, the determining module 43 is specifically configured to:
for each selected direction, performing:
dividing the number of the first terminals and the number of the second terminals in the current selected direction to obtain the acquisition duration ratio of the current selected direction;
and multiplying the acquisition time length ratio of the current selected direction by the time length of the acquisition period to obtain the acquisition time length of the current selected direction.
Optionally, the scanning module 41 is further configured to:
after receiving the training instruction, executing the step of scanning each selected direction in the training period; alternatively, the first and second electrodes may be,
and after the beginning of the training period is detected, executing the step of scanning each selected direction in the training period.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While alternative embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including alternative embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.

Claims (8)

1. The acquisition configuration method of the directional antenna is applied to the directional antenna included in the wireless fidelity WIFI probe, and comprises the following steps:
scanning each selected direction in a training period;
counting the number of first terminals in each selected direction and the number of second terminals in all selected directions according to the terminals scanned in each selected direction in the training period;
determining the acquisition time length of each selected direction according to the number of the first terminals, the number of the second terminals and the time length of the acquisition period of each selected direction;
the method for counting the number of the first terminals in each selected direction and the number of the second terminals in all selected directions according to the terminals scanned in each selected direction in the training period specifically comprises the following steps:
acquiring terminals scanned in each selected direction in the training period;
counting the number of the first terminals in each selected direction;
and adding the first terminal quantity of each selected direction to obtain the second terminal quantity of all selected directions.
2. The method of claim 1, wherein scanning each selected direction during a training period comprises:
equally dividing the time length of the training period according to the number of the selected directions to obtain the sub-time lengths of the number;
and scanning each selected direction in each sub-time length.
3. The method of claim 1, wherein determining the acquisition duration for each selected direction based on the number of first terminals, the number of second terminals, and the duration of the acquisition period for each selected direction comprises:
for each selected direction, performing:
dividing the number of the first terminals in the current selected direction by the number of the second terminals to obtain the acquisition duration ratio of the current selected direction;
and multiplying the acquisition time length ratio of the current selected direction by the time length of the acquisition period to obtain the acquisition time length of the current selected direction.
4. The method of any of claims 1-3, further comprising:
after receiving the training instruction, executing the step of scanning each selected direction in the training period; alternatively, the first and second electrodes may be,
and after the beginning of the training period is detected, executing the step of scanning each selected direction in the training period.
5. The utility model provides a directional antenna's collection configuration device which characterized in that, uses in the directional antenna that the WIFI probe includes, includes:
the scanning module is used for scanning each selected direction in a training period;
the counting module is used for counting the number of first terminals in each selected direction and the number of second terminals in all selected directions according to the terminals scanned in each selected direction in the training period;
the determining module is used for determining the acquisition time length of each selected direction according to the number of the first terminals, the number of the second terminals and the time length of the acquisition period of each selected direction;
wherein, the statistic module is specifically configured to:
acquiring terminals scanned in each selected direction in the training period;
counting the number of the first terminals in each selected direction;
and adding the first terminal quantity of each selected direction to obtain the second terminal quantity of all selected directions.
6. The apparatus of claim 5, wherein the scanning module is specifically configured to:
equally dividing the time length of the training period according to the number of the selected directions to obtain the sub-time lengths of the number;
and scanning each selected direction in each sub-time length.
7. The apparatus of claim 5, wherein the determination module is specifically configured to:
for each selected direction, performing:
dividing the number of the first terminals in the current selected direction by the number of the second terminals to obtain the acquisition duration ratio of the current selected direction;
and multiplying the acquisition time length ratio of the current selected direction by the time length of the acquisition period to obtain the acquisition time length of the current selected direction.
8. The apparatus of any of claims 5-7, wherein the scanning module is further to:
after receiving the training instruction, executing the step of scanning each selected direction in the training period; alternatively, the first and second electrodes may be,
and after the beginning of the training period is detected, executing the step of scanning each selected direction in the training period.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1170324A (en) * 1996-06-28 1998-01-14 富士通株式会社 Base transceiver station and subscriber unit in wireless local loop system using personal handy-phone system and method for operating same
KR20080068332A (en) * 2007-01-19 2008-07-23 주식회사 코리아일레콤 Method and system for remotely communicating using directional antenna and variable transmission power
CN101646241A (en) * 2008-03-11 2010-02-10 英特尔公司 Mmwave wpan communication system with fast adaptive beam tracking
KR20110120160A (en) * 2010-04-28 2011-11-03 한국철도기술연구원 Roaming realization method between wireless stations in the moving objects with high speed

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1170324A (en) * 1996-06-28 1998-01-14 富士通株式会社 Base transceiver station and subscriber unit in wireless local loop system using personal handy-phone system and method for operating same
KR20080068332A (en) * 2007-01-19 2008-07-23 주식회사 코리아일레콤 Method and system for remotely communicating using directional antenna and variable transmission power
CN101646241A (en) * 2008-03-11 2010-02-10 英特尔公司 Mmwave wpan communication system with fast adaptive beam tracking
KR20110120160A (en) * 2010-04-28 2011-11-03 한국철도기술연구원 Roaming realization method between wireless stations in the moving objects with high speed

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