CN-121984610-A - Simple WiFi channel automatic jump test method, system and device

CN121984610ACN 121984610 ACN121984610 ACN 121984610ACN-121984610-A

Abstract

The invention discloses a simple automatic jump test method, system and device for WiFi channel, which are used for testing the automatic channel jump capability of WiFi (wireless) equipment in an interference environment, and the core of the scheme is that a non-signaling mode of the WiFi equipment is used as an interference source, the WiFi equipment is connected with an AP to be tested through an adjustable attenuator, so that a simple and low-cost test environment is constructed, namely, a general WiFi equipment is used as the interference source, the non-signaling mode is used for generating controllable interference, and an automatic test flow of conducting test and dynamic mode switching is carried out through the attenuator; the automatic channel selection capability of the tested equipment is tested by monitoring the channel hopping condition of the tested equipment under the interference, so that the problems of complex testing system, high cost and low efficiency in the prior art are solved, and the efficient and automatic test of the automatic channel hopping capability of the WiFi equipment is realized.

Inventors

CHEN JUE
Hu Chuangao
CHAI JUNXIN
PENG FU
QIU ZIJIE
XUE YUJING

Assignees

厦门四信通信科技有限公司

Dates

Publication Date: 20260505
Application Date: 20251224

Claims (10)

1. A simple WiFi channel automatic jump test method is characterized by comprising the following steps: s00, preparing an interference source wireless device and a tested wireless device, wherein the interference source wireless device and a radio frequency antenna port of the tested wireless device are connected through an adjustable attenuator, and the interference source wireless device and the tested wireless device are respectively connected to an upper control computer in a communication way; S10, the upper control computer enables the tested wireless device to be configured into an access point mode and to be configured to work on a first appointed channel, enables the interference source wireless device to be configured into a client mode and triggers the interference source wireless device to establish wireless connection with the tested wireless device; S20, the upper control computer controls the tested wireless device to start an automatic channel selection function, controls the interference source wireless device to switch to a non-signaling test mode, and generates and transmits a radio frequency interference signal aiming at the first designated channel according to test configuration; S30, after the interference source wireless device transmits radio frequency interference signals for a preset time, the upper control computer controls the interference source wireless device to switch back to a client mode and triggers the interference source wireless device to retry to establish wireless connection with the tested wireless device; the upper control computer inquires the channel information of the current connection of the interference source wireless device, judges whether the tested wireless device successfully jumps to other channels from the first appointed channel based on the inquired channel information, judges that the automatic channel jump test is successful if the current connection channel is other channels different from the first appointed channel, otherwise judges that the automatic channel jump test is failed; s50, constructing a channel list containing a plurality of test channels, and repeatedly executing steps S10 to S40 for each channel in the channel list in sequence to finish the traversal test of the automatic jump capability of the tested wireless device on the plurality of channels.
2. The method for automatically testing a simple WiFi channel according to claim 1, further comprising a calibration step of controlling the interference source wireless device and the tested wireless device to enter a loop-back test mode by the upper control computer, measuring and recording reference signal parameters under a current connection path, and performing compensation calibration on the set value of the adjustable attenuator.
3. The simple WiFi channel automatic jump test method according to claim 1, wherein in step S20, the upper control computer controls the radio frequency interference signal generated and transmitted by the interfering source wireless device to be a time-varying interference signal, and the transmitting power and/or the interference channel of the radio frequency interference signal are dynamically adjusted according to a preset time-varying strategy.
4. The method for automatic jump test of simple WiFi channel as set forth in claim 3, wherein in step S20, said upper control computer configures parameters of said RF interference signal by sending a non-signaling instruction to said interferer wireless device, said parameters including at least one of channel, bandwidth, transmit power, frame interval, and frame length.
5. The method according to claim 4, wherein in step S20, the upper controller controls the interfering wireless device to generate and transmit a composite radio frequency interference signal for at least two designated channels simultaneously.
6. The method according to claim 1, wherein in step S30, the upper controller continuously or periodically inquires the connection channel while controlling the aggressor wireless device to switch back to the client mode and trigger reconnection, and records the jump delay from the start of interference to the successful jump of the channel based on the inquired channel variation information.
7. The method according to claim 1, wherein in step S50, the channel list includes at least channels 1, 6, 11 in the 2.4GHz band and/or a plurality of non-overlapping channels in the 5GHz band.
8. A simple WiFi channel automatic jump test system for implementing a simple WiFi channel automatic jump test method according to any one of claims 1 to 7, comprising: the interference source wireless equipment is used for switching between a client mode and a non-signaling test mode in a controlled manner and transmitting interference signals of a designated channel, power and modulation mode; the tested wireless equipment is used for being controlled to work in an access point mode and can start an automatic channel selection function; The input end of the adjustable attenuator is in conductive connection with the radio frequency port of the interference source wireless device, and the output end of the adjustable attenuator is in conductive connection with the radio frequency port of the tested wireless device; And the upper control machine is respectively in communication connection with the interference source wireless equipment and the tested wireless equipment and is used for controlling a test flow, configuring equipment parameters and collecting test results.
9. The system of claim 8, further comprising a power monitor unit coupled to the radio frequency transmission link of the interfering source wireless device, for sampling the actual power of the radio frequency interfering signal, and feeding back the sampling result to the upper control computer, so as to realize closed-loop control of the transmission power; the upper control computer is further configured to control the plurality of groups of test units in parallel and simultaneously perform automatic channel jump test on a plurality of the tested wireless devices.
10. A simple WiFi channel automatic skip test device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor, when executing the computer program, implements the steps of the simple WiFi channel automatic skip test method as claimed in any of claims 1 to 7.

Description

Simple WiFi channel automatic jump test method, system and device Technical Field The invention relates to the technical field of wireless channel testing, in particular to a simple automatic WiFi channel jump testing method, system and device. Background With the rapid development of WiFi technology and the popularization of wireless devices, the complexity of a WiFi network environment is increasing, and in a densely deployed wireless environment, co-channel interference and adjacent channel interference among a plurality of WiFi devices become key factors affecting network performance. To address this challenge, modern WiFi devices are commonly equipped with an automatic channel selection function that automatically switches to a better channel when a current channel quality degradation is detected. The existing WiFi channel test method generally needs complex test environment and special equipment, such as a scheme of combining a special vector signal source or a comprehensive tester with a shielding box, and has the advantages that the power/modulation/frame type can be programmed randomly, or the test close to the real air interface environment is realized through multi-AP air interface coexistence, but the WiFi automatic channel selection test scheme in the prior art has the following problems: (1) The test system comprises a special interference signal generation module (such as a WiFi channel interferometer and a vector signal source), the special equipment is high in price, the system structure is complex, a plurality of components are required to work cooperatively, and the construction difficulty is high; (2) The traditional testing method generally cannot quickly and simply verify the channel jumping capability of the WiFi equipment in an actual interference environment, has complicated testing flow, low efficiency and long testing period. Disclosure of Invention In order to overcome the defects of the prior art, the technical problem to be solved by the invention is to provide a simple automatic WiFi channel jump test method, system and device, and by using universal WiFi equipment supporting a non-signaling test mode as an interference source and combining an attenuator, a simple test environment is constructed, so that the efficient and low-cost test of the automatic channel jump capability of the WiFi equipment is realized. To achieve the purpose, the invention adopts the following technical scheme: the invention provides a simple automatic jump test method for WiFi channels, which comprises the following steps: S00, preparing an interference source wireless device and a tested wireless device, wherein the interference source wireless device and a radio frequency antenna port of the tested wireless device are connected through an adjustable attenuator, and the interference source wireless device and the tested wireless device are respectively connected with an upper control computer in a communication mode; S10, the upper control computer enables the tested wireless device to be configured into an access point mode and to be configured to work on a first appointed channel, enables the interference source wireless device to be configured into a client mode and triggers the interference source wireless device to establish wireless connection with the tested wireless device; The method comprises the steps of S20, controlling the tested wireless equipment to start an automatic channel selection function by an upper control computer, controlling the interference source wireless equipment to switch to a non-signaling test mode and generating and transmitting a radio frequency interference signal aiming at a first designated channel according to test configuration, controlling the radio frequency interference signal generated and transmitted by the interference source wireless equipment to be a time-varying interference signal, dynamically adjusting the transmitting power and/or the interference channel of the time-varying interference signal according to a preset time-varying strategy by the upper control computer, configuring parameters of the radio frequency interference signal by sending a non-signaling instruction to the interference source wireless equipment, wherein the parameters comprise at least one of a channel, a bandwidth, transmitting power, a frame interval and a frame length, and controlling the interference source wireless equipment to generate and transmit a composite radio frequency interference signal aiming at least two designated channels; S30, after the interference source wireless device transmits radio frequency interference signals for a preset time, the upper control computer controls the interference source wireless device to switch back to a client mode and triggers the interference source wireless device to retry to establish wireless connection with the tested wireless device; the upper control computer continuously or periodically inquires a connecting channel of th