CN106792469B - Wireless local area network access method based on RFID technology - Google Patents
Wireless local area network access method based on RFID technology Download PDFInfo
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- CN106792469B CN106792469B CN201611232416.1A CN201611232416A CN106792469B CN 106792469 B CN106792469 B CN 106792469B CN 201611232416 A CN201611232416 A CN 201611232416A CN 106792469 B CN106792469 B CN 106792469B
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- mac address
- terminal
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- rfid reader
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Abstract
A wireless local area network access method based on RFID technology, the method comprising: when receiving a wireless network access request of at least one terminal, the AP equipment acquires the position data and the wireless MAC address of the terminal, compares the position data with a position list of a plurality of RFID readers stored in a database to find out the RFID reader closest to the position data, and sends the MAC address acquisition request to the RFID readers, wherein the RFID readers are internally provided with communication modules; the RFID reader scans a label according to the MAC address acquisition request, reads label information when any RFID label installed in the terminal is scanned, and feeds back a wireless MAC address stored in the label information to the AP equipment; and the AP equipment judges whether the wireless MAC address fed back by the RFID reader is the same as the wireless MAC address of the terminal, and if so, the AP equipment establishes wireless connection with the terminal.
Description
Technical Field
The invention relates to the field of wireless networks, in particular to a wireless local area network access method based on an RFID technology.
Background
With the increasing popularization of mobile terminals, people have higher dependence on wireless networks. Therefore, more and more consumer sites provide wireless network services free of charge in order to attract customers. At present, most wireless networks adopt a wireless AP mode to perform network connection of a mobile terminal, such as a wireless router, and the principle thereof is that a wireless signal covers a range through the wireless AP, and the mobile terminal in the coverage range can perform corresponding matching access. In order to facilitate operation and use of customers, many merchants often adopt a mode of directly accessing a wireless network without passwords, however, due to poor protection, any mobile terminal entering the coverage range of the wireless network can access the network, which causes the quality reduction of the wireless network provided by the merchant and influences the use experience of the customers.
Disclosure of Invention
The purpose of the invention is as follows: in view of the above situation, in order to overcome the drawbacks in the background art, embodiments of the present invention provide a wireless local area network access method based on an RFID technology, which can effectively solve the problems related to the background art.
The technical scheme is as follows: a wireless local area network access method based on RFID technology, the method comprising:
when receiving a wireless network access request of at least one terminal, the AP equipment acquires the position data and the wireless MAC address of the terminal, compares the position data with a position list of a plurality of RFID readers stored in a database to find out the RFID reader closest to the position data, and sends the MAC address acquisition request to the RFID readers, wherein the RFID readers are internally provided with communication modules;
the RFID reader scans a label according to the MAC address acquisition request, reads label information when any RFID label installed in the terminal is scanned, and feeds back a wireless MAC address stored in the label information to the AP equipment;
and the AP equipment judges whether the wireless MAC address fed back by the RFID reader is the same as the wireless MAC address of the terminal, and if so, the AP equipment establishes wireless connection with the terminal.
As a preferable mode of the present invention, the RFID reader is disposed on the meal plate, and an effective tag scanning distance of the RFID reader is smaller than a longest edge of the square table or a diameter of the round table.
As a preferred mode of the present invention, the AP device is externally connected with a plurality of antennas, and each antenna corresponds to an RFID reader and covers a signal in an area.
As a preferred mode of the present invention, the method further includes:
the cashier acquires the wireless MAC address of the terminal when performing cashier operation on the terminal, binds the wireless MAC address with the consumption information of the terminal and sends the wireless MAC address and the consumption information to the AP equipment;
the AP equipment lists the consumption information into a consumption information list and stores the consumption information list in the database, and keeps updating of data, wherein the consumption information comprises consumption amount and consumption times.
As a preferred mode of the present invention, the establishing, by the AP device, a wireless connection with the terminal includes:
and the AP equipment searches consumption information corresponding to the wireless MAC address from the database, determines a specific gravity value of signal transmission power according to the consumption information, and enables an antenna corresponding to an RFID reader feeding back the wireless MAC address to transmit signal power equivalent to the specific gravity value and establish wireless connection with the terminal.
As a preferred mode of the present invention, the method further includes:
the AP equipment acquires the number of the scanned tags of each RFID reader, calculates the specific gravity value of the number of the scanned tags of each RFID reader in the total number of the tags, and enables each antenna to emit signal power equivalent to the specific gravity value of the number of the scanned tags of the corresponding RFID reader.
The invention realizes the following beneficial effects: the wireless MAC address of the terminal is obtained through RFID label information scanning, the wireless MAC address obtained through RFID is checked with the wireless MAC address obtained through AP equipment, and when the wireless MAC address obtained through RFID is consistent with the wireless MAC address obtained through AP equipment, the corresponding terminal is allowed to be connected; if they are not identical, they are not allowed to join. In this way, the wireless network service provided by the merchant can only be used by the users entering the merchant store. In addition, the wireless MAC address is bound with the consumption information, and the signal power is distributed according to the consumption information, so that the fairness of the wireless network service provided by the merchant is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic flow chart of a wireless local area network access method based on the RFID technology provided in the present invention;
fig. 2 is a schematic layout diagram of the AP device and the RFID reader according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-2, fig. 1 is a schematic flow chart illustrating a wlan access method based on RFID technology according to the present embodiment; fig. 2 is a schematic layout diagram of the AP device and the RFID reader according to the present invention.
Specifically, the present embodiment provides a wireless local area network access method based on an RFID technology, where the method includes:
when receiving a wireless network access request of at least one terminal, the AP equipment acquires the position data and the wireless MAC address of the terminal, compares the position data with a position list of a plurality of RFID readers stored in a database to find out the RFID reader closest to the position data, and sends the MAC address acquisition request to the RFID readers, wherein the RFID readers are internally provided with communication modules;
the RFID reader scans a label according to the MAC address acquisition request, reads label information when any RFID label installed in the terminal is scanned, and feeds back a wireless MAC address stored in the label information to the AP equipment;
and the AP equipment judges whether the wireless MAC address fed back by the RFID reader is the same as the wireless MAC address of the terminal, and if so, the AP equipment establishes wireless connection with the terminal.
Specifically, before using the wireless local area network access method based on the RFID technology, first, the AP device and a plurality of RFID readers are connected correspondingly; in an actual implementation process, the RFID is provided with a communication module inside, and can perform mutual communication with the AP device. In addition, the AP equipment is externally connected with a plurality of antennas, each antenna corresponds to an RFID reader, and a signal transmitted by each antenna covers a range. For example, in this embodiment, if there are four RFID readers, the AP device is externally connected with four antennas, and each antenna corresponds to one RFID reader. It is worth mentioning that the range covered by the signal emitted by the antenna is consistent with the range which can be scanned and read by the corresponding RFID reader.
After the AP equipment and the RFID reader are connected, when a user enters a signal coverage range of the AP equipment, the AP equipment can send an access request for connecting a wireless network to the AP equipment through a portable terminal. The access request may be defined as a user actively connecting to the wireless network or sending any relevant information to the AP device. The method has the advantages that the access request sent to the AP equipment by the terminal is received, and the AP equipment obtains the position data corresponding to the terminal and the corresponding wireless MAC address after receiving the access request information. For example, in this embodiment, the user is located at the dining table 2 position, and sends the access request information to the AP device, and the AP device obtains that the terminal is located at the dining table 2 position after receiving the access request information.
Further, the AP device searches for a corresponding RFID reader in a database according to the acquired location data information. For how the AP device finds out the corresponding RFID reader, in a specific implementation process, a location list where a plurality of RFID readers are located may be stored in the database. Specifically, as shown in the present embodiment, there are four RFID readers, and the location list thereof is shown in the following table:
| RFID reader serial number | At the position |
| RFID reader 1 | Dining table 1 |
| RFID reader 2 | Dining table 2 |
| RFID reader 3 | Dining table 3 |
| RFID reader 4 | Dining table 4 |
The AP equipment compares the position data information of the access request sending terminal with a plurality of RFID readers stored in a database to find out the RFID reader closest to the position data; namely, according to the acquired position data, the RFID reader with the corresponding effective reading range covering the position data is found. For example, in this embodiment, if the terminal location data acquired by the AP device is at the position of the dining table 2, the corresponding RFID reader, that is, the RFID reader 2, is found through the location list of the RFID readers in the database.
Further, after the AP finds the corresponding RFID reader according to the location data of the terminal, it sends a wireless MAC address acquisition request to the RFID reader. And after receiving the wireless MAC address acquisition request, the RFID equipment reads the information contained in the label when the RFID label is scanned and randomly installed in the terminal, and sends the read information contained in the label to the AP equipment. Specifically, the built-in information of the RFID tag is the wireless MAC address information of the corresponding terminal, that is, the information read by the RFID reader is the wireless MAC address information corresponding to the terminal. It should be noted that the RFID reader is disposed on the dining plate on the dining table, and the effective tag scanning distance is less than the longest edge of the square table or the diameter of the round table.
Further, the AP equipment judges whether the wireless MAC address fed back by the RFID reader is the same as the wireless MAC address of the terminal, and if so, the AP equipment establishes wireless connection with the terminal. Specifically, the AP device is in an open state, that is, the wireless MAC address corresponding to the terminal that sends the access request is acquired by the reader and fed back to the AP device, so that the AP device can automatically access the wireless network.
Example two
Referring to fig. 1-2, fig. 1 is a schematic flow chart illustrating a wlan access method based on RFID technology according to the present embodiment; fig. 2 is a schematic layout diagram of the AP device and the RFID reader according to the present invention.
Specifically, with reference to the content of the first embodiment, in a second embodiment of the present invention, the content is basically the same as that of the first embodiment, except that the method further includes:
the cashier acquires the wireless MAC address of the terminal when performing cashier operation on the terminal, binds the wireless MAC address with the consumption information of the terminal and sends the wireless MAC address and the consumption information to the AP equipment;
the AP equipment lists the consumption information into a consumption information list and stores the consumption information list in the database, and keeps updating of data, wherein the consumption information comprises consumption amount and consumption times.
The AP equipment and the terminal establish wireless connection, including: and the AP equipment searches consumption information corresponding to the wireless MAC address from the database, determines a specific gravity value of signal transmission power according to the consumption information, and enables an antenna corresponding to an RFID reader feeding back the wireless MAC address to transmit signal power equivalent to the specific gravity value and establish wireless connection with the terminal.
Specifically, the second embodiment is different from the first embodiment in that the wireless MAC address is bound to the consumption information corresponding to the wireless MAC address. When the AP equipment is in wireless connection with the terminal, the specific gravity value of the signal transmitting power sent to the terminal is determined through consumption information corresponding to the wireless MAC address, and different signal power distribution of each terminal is achieved.
Specifically, the cashier acquires the wireless MAC address of the terminal when performing cashier operation on the terminal, binds the wireless MAC address with the consumption information of the terminal and sends the wireless MAC address and the consumption information to the AP equipment;
further, after receiving the information, the AP device finds a consistent wireless MAC address in the database according to the received wireless MAC address information, and stores the received consumption information in a directory of the corresponding wireless MAC address in the database. Wherein the consumption information may be: the amount of consumption and the number of consumption times.
Further, when the AP device accesses the terminal to the wireless network, first, the consumption information corresponding to the wireless MAC address is found in the database, the specific gravity value of the signal transmission power is determined according to the consumption information, and the antenna corresponding to the RFID reader that feeds back the wireless MAC address is made to transmit the signal power equivalent to the specific gravity value and establish a wireless connection with the terminal.
For example, in this embodiment, the antenna corresponding to the RFID reader 2 has a total of 4 personal access networks, where the first person consumes 200 yuan, the second person consumes 300 yuan, the third person consumes 400 yuan, and the fourth person consumes 100 yuan, then the power of the signal to be transmitted to the first person is: 200/(200 +300+400+ 100), i.e. 20% signal power, the same signal power should be transmitted to the second person is 30%, the signal power should be transmitted to the third person is 40%, and the signal power should be transmitted to the fourth person is 10%.
EXAMPLE III
Referring to fig. 1-2, fig. 1 is a schematic flow chart illustrating a wlan access method based on RFID technology according to the present embodiment; fig. 2 is a schematic layout diagram of the AP device and the RFID reader according to the present invention.
Specifically, with reference to the contents of the first embodiment, in the third embodiment of the present invention, the contents are basically the same as those of the first embodiment, except that: the AP equipment acquires the number of the scanned tags of each RFID reader, calculates the specific gravity value of the number of the scanned tags of each RFID reader in the total number of the tags, and enables each antenna to emit signal power equivalent to the specific gravity value of the number of the scanned tags of the corresponding RFID reader.
Specifically, the difference between the third embodiment and the second embodiment is that the plurality of antennas externally connected to the AP device do not equally divide the signal power of the AP device, but are allocated based on the number of effective wireless MAC addresses scanned by the corresponding RFID reader. For example, in this embodiment, there are four RFID readers corresponding to the four antennas, and the coverage area of each antenna is the scanning and reading range of the corresponding RFID reader. The number of the wireless MAC addresses scanned and read by the RFID reader 1 is 20, the number of the wireless MAC addresses scanned and read by the RFID reader 2 is 30, the number of the wireless MAC addresses scanned and read by the RFID reader 3 is 40, and the number of the wireless MAC addresses scanned and read by the RFID reader 1 is 10, so that the signal transmission power obtained by the antenna corresponding to each RFID reader is 20/(20 +30+40+ 10), which is 20% of the signal power, and similarly, the signal transmission power obtained by the antenna 2 is 30%, the signal transmission power obtained by the antenna 3 is 40%, and the signal transmission power obtained by the antenna 4 is 10%.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. A wireless local area network access method based on RFID technology is characterized by comprising the following steps:
when receiving a wireless network access request of at least one terminal, the AP equipment acquires the position data and the wireless MAC address of the terminal, compares the position data with a position list of a plurality of RFID readers stored in a database to find out the RFID reader closest to the position data, and sends the MAC address acquisition request to the RFID readers, wherein the RFID readers are internally provided with communication modules;
the RFID reader scans a label according to the MAC address acquisition request, reads label information when any RFID label installed in the terminal is scanned, and feeds back a wireless MAC address stored in the label information to the AP equipment;
the AP equipment judges whether the wireless MAC address fed back by the RFID reader is the same as the wireless MAC address of the terminal or not, and if so, the AP equipment establishes wireless connection with the terminal;
the RFID reader is arranged on the dining plate, and the effective label scanning distance of the RFID reader is smaller than the diameter of the longest edge of the square dining table or the diameter of the round dining table;
the AP equipment is externally connected with a plurality of antennas, each antenna corresponds to an RFID reader and covers signals in an area;
the method further comprises the following steps:
the cashier acquires the wireless MAC address of the terminal when performing cashier operation on the terminal, binds the wireless MAC address with the consumption information of the terminal and sends the wireless MAC address and the consumption information to the AP equipment;
the AP equipment lists the consumption information into a consumption information list and stores the consumption information list in the database, and keeps updating of data, wherein the consumption information comprises consumption money and consumption times;
the AP equipment and the terminal establish wireless connection, including:
the AP equipment searches consumption information corresponding to the wireless MAC address from the database, determines a specific gravity value of signal transmission power according to the consumption information, and enables an antenna corresponding to an RFID reader which feeds back the wireless MAC address to transmit signal power equivalent to the specific gravity value and establish wireless connection with the terminal;
the method further comprises the following steps:
the AP equipment acquires the number of the scanned tags of each RFID reader, calculates the specific gravity value of the number of the scanned tags of each RFID reader in the total number of the tags, and enables each antenna to emit signal power equivalent to the specific gravity value of the number of the scanned tags of the corresponding RFID reader.
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| CN201611232416.1A CN106792469B (en) | 2016-12-28 | 2016-12-28 | Wireless local area network access method based on RFID technology |
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| CN201611232416.1A CN106792469B (en) | 2016-12-28 | 2016-12-28 | Wireless local area network access method based on RFID technology |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853409A (en) * | 2010-05-24 | 2010-10-06 | 中兴通讯股份有限公司 | RFID (Radio Frequency Identification) system, reader and data transmission method |
| CN103369707A (en) * | 2012-03-27 | 2013-10-23 | 华为终端有限公司 | Wireless network connection establishing method and terminal equipment |
| CN103702332A (en) * | 2013-12-27 | 2014-04-02 | 北京奇虎科技有限公司 | Passive/semi-active RFID (radio frequency identification device) mobile terminal and network authentication method thereof |
| CN105228146A (en) * | 2014-06-30 | 2016-01-06 | 北京奇虎科技有限公司 | A kind of In-vehicle networking equipment based on RFID and authentication method thereof |
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2016
- 2016-12-28 CN CN201611232416.1A patent/CN106792469B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853409A (en) * | 2010-05-24 | 2010-10-06 | 中兴通讯股份有限公司 | RFID (Radio Frequency Identification) system, reader and data transmission method |
| CN103369707A (en) * | 2012-03-27 | 2013-10-23 | 华为终端有限公司 | Wireless network connection establishing method and terminal equipment |
| CN103702332A (en) * | 2013-12-27 | 2014-04-02 | 北京奇虎科技有限公司 | Passive/semi-active RFID (radio frequency identification device) mobile terminal and network authentication method thereof |
| CN105228146A (en) * | 2014-06-30 | 2016-01-06 | 北京奇虎科技有限公司 | A kind of In-vehicle networking equipment based on RFID and authentication method thereof |
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