CN217655531U

CN217655531U - Radio frequency identification reader-writer interface protocol testing device

Info

Publication number: CN217655531U
Application number: CN202221571927.7U
Authority: CN
Inventors: 李超; 赵炳秋; 吴文力; 万海军; 何纯全; 涂建军
Original assignee: Unit 92728 Of Pla
Current assignee: Unit 92728 Of Pla
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-10-25
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a radio frequency identification reader-writer interface protocol testing arrangement, including host system, host system respectively with communication test module, radio frequency test module interconnect, communication test module is with wired mode and reader-writer interconnect, radio frequency test module with wireless mode respectively with label, reader-writer interconnect. Compared with the prior art, the utility model discloses with wired communication message test function and wireless radio frequency signal test function integration in same testing arrangement, can make radio frequency identification read write line interface protocol test result more comprehensive and accurate.

Description

Radio frequency identification reader-writer interface protocol testing device

Technical Field

The utility model belongs to the technical field of the radio frequency identification technique and specifically relates to a radio frequency identification read write line interface protocol testing arrangement is related to.

Background

The radio frequency identification system mainly comprises a label and a reader-writer, wherein the label is used for storing identification and data related to application, the reader-writer is used for reading the identification and the data from the label or writing the identification and the data into the label, and the working principle of the radio frequency identification system is that the reader-writer transmits a radio frequency signal containing a command and data to the label through an air interface, and the label returns the radio frequency signal containing a response and the data to the reader-writer through the air interface after receiving the radio frequency signal.

In the actual working process of the reader-writer, a client (a master control computer and the like) is required to issue commands and data to the reader-writer through an interface protocol and receive responses and data returned by the reader-writer through the interface protocol, that is, the realization of all functions of the reader-writer depends on the interface protocol.

The interface protocol of the radio frequency identification reader-writer stipulates rules to be followed when the radio frequency identification reader-writer and the client are interacted, and is suitable for design, production, test and use of the radio frequency identification reader-writer and the client.

In order to ensure the reliability of the interaction, it is necessary to perform an interface protocol test to test and verify whether the reader/writer satisfies various specifications in the interface protocol, including an interaction mechanism, a message format, air interface related parameters, and the like. The interactive mechanism and the message format are tested by mainly adopting a testing device to communicate with a reader-writer according to an interface protocol and verifying whether response and data returned by the reader-writer meet the requirements of the interface protocol, the testing of the type has lower requirements on the testing device, and the traditional interface protocol testing device can basically realize the testing.

However, in the air interface related parameter test, in addition to using the test device to communicate with the reader/writer according to the interface protocol and verifying whether the response and data returned by the reader/writer meet the requirements of the interface protocol, the test device is also needed to verify whether the reader/writer performs correct operation and transmits correct radio frequency signals through the air interface after receiving commands and data through the interface protocol.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a radio frequency identification reader-writer interface protocol testing arrangement in order to overcome the defect that above-mentioned prior art exists, can realize interface protocol parameter and air interface parameter closed loop verification, make radio frequency identification reader-writer interface protocol test result more comprehensive and accurate.

The purpose of the utility model can be realized by the following technical proposal: a radio frequency identification reader-writer interface protocol testing device comprises a main control module, wherein the main control module is respectively connected with a communication testing module and a radio frequency testing module, the communication testing module is connected with a reader-writer in a wired mode, and the radio frequency testing module is respectively connected with a tag and the reader-writer in a wireless mode.

Furthermore, the main control module is respectively connected with the communication test module and the radio frequency test module through peripheral buses.

Further, the main control module is specifically an upper computer, and the upper computer is configured with a processor and a memory.

Further, the communication test module is connected with the reader-writer through a communication cable.

Further, the communication test module is specifically a network card, and the network card is configured with a digital signal transceiver.

Further, the radio frequency test module is respectively connected with the tag and the reader-writer through the antenna.

Further, the radio frequency test module is configured with a radio frequency signal receiver.

Further, the processor is specifically an Intel I5 dual-core processor, and the memory is specifically a 500GB solid state disk.

Further, the digital signal transceiver is specifically an Intel I219.

Further, the radio frequency test module is specifically an NI USRP-2942, and the radio frequency signal receiver is specifically an ADI AD9361.

Compared with the prior art, the utility model discloses a set up host system, with host system respectively with communication test module, radio frequency test module interconnect, again with communication test module and read write line through wired mode connection, with radio frequency test module respectively with the label, the read write line passes through wireless mode and is connected, possess wired communication message test function and wireless radio frequency signal test function simultaneously from this, thereby can realize the closed loop verification of interface protocol parameter and air interface parameter, make radio frequency identification read write line interface protocol test result more comprehensive and accurate.

The utility model adopts the upper computer as a main control module and is connected with a communication test module and a radio frequency test module through a peripheral bus; the network card is used as a communication test module, is provided with a digital signal transceiver, can support the generation, the sending and the receiving of communication messages, and is used for realizing the wired communication and the message test between the test device and the reader-writer; the radio frequency test module is provided with a radio frequency signal receiver, can support the reception of radio frequency signals and is used for realizing the acquisition and test of the test device on the wireless radio frequency signals of the reader-writer. Therefore, the utility model discloses can be effectively with wired communication message test function and wireless radio frequency signal test function integration in same testing arrangement, guarantee the reliability of comprehensive accurate test.

Drawings

FIG. 1 is a schematic view of the structural connection of the present invention;

the notation in the figure is: 11. the device comprises a main control module 12, a communication test module 13 and a radio frequency test module.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1, a device for testing an interface protocol of a radio frequency identification reader/writer is composed of a main control module 11, a communication test module 12, and a radio frequency test module 13. The main control module 11 has a processor and a memory, supports various peripheral buses, and is used for realizing overall control and data processing of the test device. The main control module 11 is connected to the communication test module 12 and the radio frequency test module 13 through peripheral buses, respectively, and sends control instructions and parameters to each test module, and receives test data sent by each test module.

The communication test module 12 has a digital signal transceiver, supports generation, transmission, and reception of communication messages, and is used to implement wired communication and message testing between the test apparatus and the reader/writer. The communication test module 12 supports one or more peripheral buses, can be connected to the main control module 11 through the peripheral buses, and receives control instructions and parameters sent by the main control module 11 and sends test data to the main control module 11. The communication test module 12 supports one or more communication buses, is capable of connecting to a reader/writer through a communication cable, and transmits a command message to the reader/writer and receives a response message transmitted from the reader/writer.

The radio frequency test module 13 has a radio frequency signal receiver, supports the reception of radio frequency signals, and is used for realizing the wireless radio frequency signal acquisition and test of the reader/writer by the test device. The radio frequency test module 13 supports one or more peripheral buses, can be connected to the main control module 11 through the peripheral buses, receives control instructions and parameters sent by the main control module 11, and sends test data to the main control module 11. The radio frequency test module 13 supports analog-to-digital conversion and demodulation decoding of radio frequency signals, and can receive radio frequency signals sent by the reader-writer and radio frequency signals sent by the tags through the antenna.

In this embodiment, the main control module 11 is configured with an Intel I5 dual-core processor and a 500GB solid-state memory, and supports PCI and PCIe peripheral buses, so as to implement overall control and data processing of the test apparatus. The main control module 11 can be connected to the communication test module 12 through a PCI peripheral bus, and connected to the radio frequency test module 13 through a PCIe peripheral bus, and sends control instructions and parameters to each test module, and receives test data sent by each test module.

The communication test module 12 has an Intel I219 digital signal transceiver, supports generation, transmission, and reception of communication messages, and is used to implement wired communication and message testing between the test apparatus and the reader/writer. The communication test module 12 supports a PCI peripheral bus, can be connected to the main control module 11 through the PCI peripheral bus, and receives control instructions and parameters sent by the main control module 11 and sends test data to the main control module 11. The communication test module 12 supports an Ethernet communication bus, can be connected to a reader/writer through an RJ45 communication cable, and transmits a command message to the reader/writer and receives a response message transmitted by the reader/writer.

The radio frequency test module 13 selects NI USRP-2942, is provided with an ADI AD9361 radio frequency signal receiver, supports the reception of radio frequency signals, and is used for realizing the acquisition and the test of the test device on the wireless radio frequency signals of the reader-writer. The radio frequency test module 13 supports a PCIe peripheral bus, can be connected to the main control module 11 through the PCIe peripheral bus, receives a control instruction and a parameter sent by the main control module 11, and sends test data to the main control module 11. The radio frequency test module 13 supports 12-bit analog-to-digital conversion of radio frequency signals in a frequency range of 800MHz to 1GHz, supports ASK, PSK demodulation and TPP, FM0, miller decoding, and can receive radio frequency signals sent by a reader and radio frequency signals sent by a tag through an antenna.

In summary, the testing device provided by the technical scheme has the functions of testing wired communication messages and wireless radio frequency signals, and can effectively improve the comprehensiveness and accuracy of interface protocol testing.

Claims

1. The radio frequency identification reader-writer interface protocol testing device is characterized by comprising a main control module (11), wherein the main control module (11) is respectively connected with a communication testing module (12) and a radio frequency testing module (13) in an interconnection mode, the communication testing module (12) is connected with a reader-writer in a wired mode, and the radio frequency testing module (13) is respectively connected with a label and the reader-writer in a wireless mode.

2. The device for testing interface protocol of rfid reader/writer according to claim 1, wherein the main control module (11) is connected to the communication test module (12) and the rf test module (13) via peripheral buses.

3. The device for testing interface protocol of radio frequency identification reader/writer according to claim 1 or 2, wherein the main control module (11) is configured with a processor and a memory.

4. The device for testing interface protocol of radio frequency identification reader/writer according to claim 1, wherein the communication test module (12) is connected to the reader/writer through a communication cable.

5. The device for testing the interface protocol of the radio frequency identification reader-writer according to the claim 1 or 4, characterized in that the communication test module (12) is configured with a digital signal transceiver.

6. The device for testing interface protocol of rfid reader/writer according to claim 1, wherein the rf testing module (13) is connected to the tag and the reader/writer via an antenna, respectively.

7. The device for testing the interface protocol of the radio frequency identification reader-writer according to the claim 1 or 6, characterized in that the radio frequency test module (13) is configured with a radio frequency signal receiver.