CN113613285B - Method for testing wireless AP performance in interference environment - Google Patents
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Abstract
The invention provides a method for testing wireless AP performance in an interference environment, which comprises the steps of arranging an interference wireless AP in a main sleeping position, and arranging a tested wireless AP and a comparison wireless AP in a living room; setting 2.4GWiFi and 5GWiFi parameters of a tested wireless AP, a comparison wireless AP and an interference wireless AP; respectively connecting 10 mobile terminals at a tested wireless AP and a contrast wireless AP, playing live video, using WiFi magic boxes to ping300 packets, and recording and experiencing live blocking conditions and ping packet loss delay conditions of each mobile terminal; and analyzing and comparing whether the live broadcast blocking condition and the packet loss delay condition of the wireless AP are better than those of the wireless AP to be tested. According to the invention, the wireless AP is tested in a real household environment, so that the external interference is reduced, the performance of the wireless AP in the interference environment can be more comprehensively verified, the test data is more accurate and applicable to users, and the defects of the conventional test method are overcome.
Description
Technical Field
The invention relates to the technical field of Internet, in particular to a method for testing wireless AP performance in an interference environment.
Background
At present, two test methods aiming at the wireless AP performance anti-interference test exist in the market, one is patent CN201610874606.7: a method for building an anti-interference test environment of a household wireless product is characterized in that the test throughput and MoS after 20Mbps co-frequency/adjacent frequency interference are increased on the basis of attenuation performance test. However, both methods test the anti-interference limit performance of the wireless AP, and even if there is a gap between the limit performances, the method cannot be used for judging whether there is a gap between the user experiences in the actual environment. Because most of the practical environments of users cannot reach the limit performance of the wireless AP, the user experience of the common Internet surfing service is more concerned, but the limit performance cannot be used as a basis for judging the daily experience of the user experience, and the method for testing the same-frequency adjacent channel interference resistant user experience in the practical environments does not exist at present, so that a method for testing the anti-interference performance of the wireless AP in the practical environments is needed.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the method for testing the performance of the wireless AP in the interference environment, the external interference is reduced by testing the wireless AP in the real household environment, the performance of the wireless AP in the interference environment can be more comprehensively verified, and compared with the limit performance of the wireless AP tested by the existing testing method, the testing data of the testing method is more accurate and applicable to users, and the defects of the existing testing method are overcome.
The method for testing the wireless AP performance in the interference environment comprises the following steps:
step 1: preparing at least 12 wireless APs to be tested, a comparison wireless AP, an interference wireless AP, a notebook computer and a mobile terminal;
step 2: setting an interference wireless AP in a main sleeping room, and setting a tested wireless AP and a comparison wireless AP in a living room;
step 3: setting the 2.4GWiFi of the tested wireless AP, the comparison wireless AP and the interference wireless AP as the frequency width of 20MHz of a 6 channel, and the 5GWiFi as the frequency width of 80MHz of a 36 channel;
step 4: connecting 2.4GWiFi and 5GWiFi of the interference wireless AP with a WiFi mobile terminal respectively, connecting a wired notebook computer, running ixchaiot on the notebook computer, and running 20Mbps data stream on the 2 mobile terminals respectively;
step 5: connecting 10 mobile terminals with 2.4GWiFi of a wireless AP to be tested, wherein 8 mobile terminals play live videos, 1 WiFi mobile terminal and 1 WiFi5 mobile terminal use 300 WiFi magic packet for playing LANIP, and recording live blocking conditions and ping packet loss delay conditions of each mobile terminal experiencing 5 minutes;
step 6: disconnecting 10 mobile terminals from the tested wireless AP, connecting the mobile terminals with 2.4GWiFi of the comparison wireless AP, repeating the test operation in the step 5, recording the live broadcast jamming condition and the ping packet loss delay condition of each mobile terminal experiencing 5 minutes, and analyzing and comparing whether the 2.4GWiFi live broadcast jamming condition and the packet loss delay condition of the comparison wireless AP are superior to those of the tested wireless AP;
step 7: when the 2.4GWiFi live broadcast jamming condition and the packet loss delay condition of the comparison wireless AP are not superior to those of the wireless AP to be detected, respectively switching the 2.4GWiFi of the wireless AP to be detected in the step 5 and the step 6 and the 2.4GWiFi of the comparison wireless AP into the 5GWiFi of the wireless AP to be detected and the 5GWiFi of the comparison wireless AP, repeating the test operation in the step 5 and the step 6, and analyzing and comparing whether the 5GWiFi live broadcast jamming condition and the packet loss delay condition of the comparison wireless AP are superior to those of the wireless AP to be detected;
step 8: when the 5GWiFi live broadcasting blocking condition and the packet loss delay condition of the comparison wireless AP are not superior to those of the wireless AP to be detected, setting the 2.4GWiFi of the interference wireless AP to be 8-channel 20MHz bandwidth and the 5GWiFi to be 44-channel 80MHz bandwidth, repeating the test operation of the step 5, the step 6 and the step 7, and analyzing and comparing whether the 2.4GWiFi, the 5GWiFi live broadcasting blocking condition and the packet loss delay condition of the comparison wireless AP are superior to those of the wireless AP to be detected;
step 9: when the 2.4GWiFi, 5GWiFi live broadcast blocking condition and packet loss delay condition of the comparison wireless AP are not better than those of the wireless AP to be tested, setting the 2.4GWiFi of the interference wireless AP to be 11b/g/n mode and the 5GWiFi to be 11a/an/ac mode, repeating the test operation of the step 5, the step 6 and the step 7, and analyzing and comparing whether the 2.4GWiFi, the 5GWiFi live broadcast blocking condition and the packet loss delay condition of the comparison wireless AP are better than those of the wireless AP to be tested;
step 10: and when the 2.4GWiFi and 5GWiFi live broadcast blocking conditions and packet loss delay conditions of the wireless AP are compared and are not better than those of the wireless AP to be tested, judging that the performance test of the wireless AP to be tested is qualified in an interference environment.
The invention further improves, in the step 1, at least 6 WiFi6 mobile terminals and 2 WiFi5 mobile terminals are arranged in the 12 mobile terminals.
In the step 2, the test environment is a set of common three-room one-room household environment, wherein a wall and a bathroom are separated between a living room and a main sleeping room, and the attenuation of WiFi signals between the living room and the main sleeping room can be used for simulating as a partition neighbor.
In the step 4, the 8 mobile terminals play live videos, wherein at least 3 WiFi6 mobile terminals are used for playing 4M blue light live videos, and 5 other mobile terminals are used for playing super-clear live videos.
In the step 6, the step 7, the step 8 and the step 9, the tested wireless AP and the comparison wireless AP keep consistent positions, and the test positions of all the mobile terminals for testing are unchanged.
In the step 6, when the 2.4GWiFi live broadcast card-on condition and the packet loss delay condition of the compared wireless AP are superior to those of the tested wireless AP, the performance test of the tested wireless AP in the interference environment is judged to be unqualified.
In the step 7, when the 5GWiFi live broadcast blocking condition and the packet loss delay condition of the compared wireless AP are superior to those of the tested wireless AP, the performance test of the tested wireless AP in the interference environment is judged to be unqualified.
In the step 8, when the 5GWiFi live broadcast blocking condition and the packet loss delay condition of the compared wireless AP are superior to those of the tested wireless AP, the performance test of the tested wireless AP in the interference environment is judged to be unqualified.
In the step 9, when the 2.4GWiFi and 5GWiFi live broadcast blocking conditions and packet loss delay conditions of the compared wireless AP are superior to those of the tested wireless AP, the performance test of the tested wireless AP in an interference environment is judged to be unqualified.
The beneficial effects of the invention are as follows: the method reduces external interference by testing the tested wireless AP in a real household environment, the interference mainly comes from constant interference generated by 20Mbps data flow of the interfered wireless AP, and the performance of the wireless AP in the interference environment can be tested more comprehensively by adopting a common live video test which has certain requirements on bandwidth and has relatively constant flow and does not have buffer and a ping delay packet loss test with accurate data output.
Drawings
Fig. 1 is a flow chart of a method of testing wireless AP performance in an interference environment in accordance with the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and examples.
Referring to fig. 1, the method for testing the performance of a wireless AP in an interference environment provided by the present invention includes the following steps:
step 1: preparing at least 12 wireless APs to be tested, a comparison wireless AP, an interference wireless AP, a notebook computer and a mobile terminal; an AP, i.e. Access Point, also called a radio Access node, session Point or Access bridge, is a generic name that includes not only a simple radio Access Point (radio AP), but also a radio router (including a radio gateway, a radio bridge) and other devices. The wireless AP access point supports wireless application of 2.4GHz and 5GHz frequency bands, the sensitivity accords with the 802.11n standard, two-way radio frequency output is adopted, each maximum output is 600 milliwatts, and wireless coverage can be deployed in a large area through a wireless distribution system (point-to-point and point-to-multipoint bridging). In this embodiment, the wireless AP refers to a wireless router. In the embodiment, the comparison wireless AP is a competitive wireless AP, and as a comparison standard, the notebook computer is mainly used for controlling the interference wireless AP to form a constant same-frequency or adjacent-frequency interference source, at least 12 mobile terminals are used for testing 5GWiFi and 2.4GWiFi separately, and in actual testing, more than 22 mobile terminals can be used for testing 5GWiFi and 2.4GWiFi simultaneously, so that the testing speed is increased, and the testing efficiency is improved.
Step 2: the interference wireless AP is arranged on a main sleeping room, and the tested wireless AP and the comparison wireless AP are arranged in a living room.
Step 3: the measured wireless AP, the 2.4GWiFi of the comparison wireless AP and the interference wireless AP are set to be 6-channel 20MHz bandwidth, and the 5GWiFi is set to be 36-channel 80MHz bandwidth.
Step 4: connecting 2.4GWiFi and 5GWiFi of the interference wireless AP with a WiFi mobile terminal respectively, connecting a wired notebook computer, running ixchaiot on the notebook computer, and running 20Mbps data stream on the 2 mobile terminals respectively; ixChariot is a proposed soft test tool for application layer performance testing by IXIA corporation of the united states. IxChariot has gained wide acceptance in the industry in the application layer performance testing field. IxChariot can evaluate the performance and capacity of network applications, perform pressure test on the network and the device to obtain the Throughput, time delay, packet loss, reaction time and other performance parameters of the device and the network under different applications and different parameters, wherein the Throughput refers to the number of successfully transmitted data (measured by bits, bytes, packets and the like) in unit time for the network, the device, the port, the virtual circuit or other facilities, in this embodiment, ixChariot is used for newly creating two wired network cards to TCP Throughput Pair of a 2.4GWiFi mobile terminal and a 5GWiFi mobile terminal, modifying the send_data_rate value in the Throughput script to be 20Mbps, and simulating the AP of an adjacent house to generate constant 20Mbps WiFi6 same-frequency interference when the test duration is 99 hours.
Step 5: and 10 mobile terminals are connected with 2.4GWiFi of the tested wireless AP, wherein 8 mobile terminals play live videos, 1 WiFi mobile terminal and 1 WiFi5 mobile terminal use 300 WiFi magic packet playing LANIP, and live blocking conditions and ping packet loss delay conditions of each mobile terminal experiencing 5 minutes are recorded. Ping is a computer network tool that tests whether a data packet can reach a particular host via the IP protocol. Ping works by sending an ICMP request echo packet to the target host and then waiting to receive an echo response packet. The program will estimate the packet loss rate and the packet round trip time (network delay, round trip delay time) from the time and the number of successful responses in this embodiment, the usage performance of WiFi is tested by using the WiFi magic packet ping LANIP 300 packets, recording the packet loss rate and the packet round trip time.
Step 6: and (3) disconnecting 10 mobile terminals from the tested wireless AP, connecting the mobile terminals with 2.4GWiFi of the comparison wireless AP, repeating the test operation in the step (5), recording the live broadcast jamming condition and the ping packet loss delay condition of each mobile terminal experiencing 5 minutes, and analyzing and comparing whether the 2.4GWiFi live broadcast jamming condition and the packet loss delay condition of the comparison wireless AP are superior to those of the tested wireless AP.
Step 7: and when the 2.4GWiFi live-broadcasting jamming condition and the packet loss delay condition of the comparison wireless AP are not superior to those of the wireless AP to be detected, respectively switching the 2.4GWiFi of the wireless AP to be detected in the step 5 and the step 6 and the 2.4GWiFi of the comparison wireless AP into the 5GWiFi of the wireless AP to be detected and the 5GWiFi of the comparison wireless AP, repeating the test operation in the step 5 and the step 6, and analyzing and comparing whether the 5GWiFi live-broadcasting jamming condition and the packet loss delay condition of the comparison wireless AP are superior to those of the wireless AP to be detected.
Step 8: when the 5GWiFi live broadcasting blocking condition and the packet loss delay condition of the comparison wireless AP are not superior to those of the wireless AP to be detected, setting the 2.4GWiFi of the interference wireless AP to be 8-channel 20MHz bandwidth and the 5GWiFi to be 44-channel 80MHz bandwidth, repeating the test operation of the step 5, the step 6 and the step 7, and analyzing and comparing whether the 2.4GWiFi, the 5GWiFi live broadcasting blocking condition and the packet loss delay condition of the comparison wireless AP are superior to those of the wireless AP to be detected. In the implementation, when the 2.4GWiFi of the interfering wireless AP is set to be 8-channel 20MHz bandwidth and the 5GWiFi is set to be 44-channel 80MHz bandwidth, ixcharlot starts running again, and the simulation of the adjacent home AP generates constant 20Mbps WiFi6 adjacent channel interference.
Step 9: when the 2.4GWiFi, 5GWiFi live broadcast jamming condition and packet loss delay condition of the comparison wireless AP are not superior to those of the wireless AP to be tested, setting the 2.4GWiFi of the interference wireless AP to be 11b/g/n mode and the 5GWiFi to be 11a/an/ac mode, repeating the test operation of the step 5, the step 6 and the step 7, and analyzing and comparing whether the 2.4GWiFi, the 5GWiFi live broadcast jamming condition and the packet loss delay condition of the comparison wireless AP are superior to those of the wireless AP to be tested. In the implementation, 2.4GWiFi of an interfering wireless AP is set to be in a mode of 11b/G/n, 5GWiFi is set to be in a mode of 11a/an/ac, ixcharot starts running again, APs at adjacent houses are simulated to generate constant 20Mbps WiFi5 co-frequency or adjacent-frequency interference, and user experience of 2.4G/5G of the measured wireless AP and the WiFi5 co-frequency adjacent-frequency interference of the contrasted wireless AP is contrasted and tested
Step 10: and when the 2.4GWiFi and 5GWiFi live broadcast blocking conditions and packet loss delay conditions of the wireless AP are compared and are not better than those of the wireless AP to be tested, judging that the performance test of the wireless AP to be tested is qualified in an interference environment.
Referring to fig. 1, in the step 1, at least 6 WiFi6 mobile terminals and 2 WiFi5 mobile terminals are among the 12 mobile terminals. Among them, distinction between WiFi5 and WiFi 6:
1. WiFi6 covers 2.4/5GHz in the frequency band aspect, and completely covers low-speed and high-speed equipment;
2. in terms of modulation mode, wiFi6 supports 1024-QAM, which is higher than 256-QAM of WiFi5, and the data capacity is higher, which means higher data transmission speed;
3. in addition, the WiFi6 adds a new OFDMA technology, supports simultaneous parallel transmission of a plurality of terminals, effectively improves the efficiency and reduces the delay, namely, a secret recipe with greatly improved data throughput;
4. the WiFi6 improves the transmission time of each signal carrier wave from 3.2 mu s to 12.8 mu s of WiFi5 through a better Long DFDM Symbol transmission mechanism, so that the packet loss rate and the retransmission rate are effectively reduced, and the transmission is more stable.
Referring to fig. 1, in the step 2, the test environment is a set of common three-room one-hall home environment, in which a wall and a toilet are separated between a living room and a main sleeping room, and the attenuation of WiFi signals between the living room and the main sleeping room can be used to simulate as a partition neighbor.
Referring to fig. 1, in the step 4, the 8 mobile terminals play live videos, wherein at least 3 WiFi6 mobile terminals are used for playing 4M blue light live videos, and 5 other mobile terminals are used for playing super-clear live videos. In this embodiment, the 4M blue-ray live video is a 4M blue-ray live video of tiger tooth APP, and the super-clear live video is a super-clear live video of tiger tooth APP. The performance of the wireless AP in the interference environment can be more comprehensively tested by adopting the common cache-free live video test which has certain requirements on bandwidth and has relatively constant flow.
Referring to fig. 1, in the steps 6, 7, 8 and 9, the detected wireless AP and the comparison wireless AP keep the same position, and the test positions of all the mobile terminals for testing do not change, so that the comparison of the test data can be more accurate.
Referring to fig. 1, in the step 6, when the 2.4 wifi live broadcast blocking condition and the packet loss delay condition of the comparison wireless AP are better than those of the wireless AP to be tested, it is determined that the performance test of the wireless AP to be tested is not qualified in the interference environment.
Referring to fig. 1, in the step 7, when comparing the 5g wifi live broadcast blocking condition and the packet loss delay condition of the wireless AP with those of the wireless AP to be tested, it is determined that the performance test of the wireless AP to be tested is not qualified in the interference environment.
Referring to fig. 1, in the step 8, when comparing the 5g wifi live broadcast blocking condition and the packet loss delay condition of the wireless AP with those of the wireless AP to be tested, it is determined that the performance test of the wireless AP to be tested is not qualified in the interference environment.
Referring to fig. 1, in the step 9, when the 2.4 wifi, 5 wifi live broadcast cartoon condition and packet loss delay condition of the comparison wireless AP are better than those of the measured wireless AP, it is determined that the performance test of the measured wireless AP in the interference environment is not qualified.
From the above, the beneficial effects of the invention are as follows: according to the method for testing the wireless AP performance in the interference environment, the tested wireless AP is tested in the real household environment, so that the external interference is reduced, the interference mainly comes from constant interference generated by 20Mbps data flow of the interfered wireless AP, the performance of the wireless AP in the interference environment can be tested more comprehensively by adopting the common live video test which has certain requirements on bandwidth and has relatively constant flow and the ping delay packet loss test with accurate data output, and compared with the limit performance of the wireless AP tested by the conventional test method, the test data of the test method is more accurate and applicable to users, and the defects of the conventional test method are overcome.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, which includes but is not limited to the embodiments, and equivalent modifications according to the present invention are within the scope of the present invention.
Claims (9)
1. A method for testing wireless AP performance in an interference environment, comprising the steps of:
step 1: preparing at least 12 wireless APs to be tested, a comparison wireless AP, an interference wireless AP, a notebook computer and a mobile terminal;
step 2: setting an interference wireless AP in a main sleeping room, and setting a tested wireless AP and a comparison wireless AP in a living room;
step 3: setting the 2.4GWiFi of the tested wireless AP, the comparison wireless AP and the interference wireless AP as the frequency width of 20MHz of a 6 channel, and the 5GWiFi as the frequency width of 80MHz of a 36 channel;
step 4: connecting 2.4GWiFi and 5GWiFi of the interference wireless AP with a WiFi mobile terminal respectively, connecting a wired notebook computer, running ixchaiot on the notebook computer, and running 20Mbps data stream on the 2 mobile terminals respectively;
step 5: connecting 10 mobile terminals with 2.4GWiFi of a wireless AP to be tested, wherein 8 mobile terminals play live videos, 1 WiFi mobile terminal and 1 WiFi5 mobile terminal use 300 WiFi magic packet for playing LANIP, and recording live blocking conditions and ping packet loss delay conditions of each mobile terminal experiencing 5 minutes;
step 6: disconnecting 10 mobile terminals from the tested wireless AP, connecting the mobile terminals with 2.4GWiFi of the comparison wireless AP, repeating the test operation in the step 5, recording the live broadcast jamming condition and the ping packet loss delay condition of each mobile terminal experiencing 5 minutes, and analyzing and comparing whether the 2.4GWiFi live broadcast jamming condition and the packet loss delay condition of the comparison wireless AP are superior to those of the tested wireless AP;
step 7: when the 2.4GWiFi live broadcast jamming condition and the packet loss delay condition of the comparison wireless AP are not superior to those of the wireless AP to be detected, respectively switching the 2.4GWiFi of the wireless AP to be detected in the step 5 and the step 6 and the 2.4GWiFi of the comparison wireless AP into the 5GWiFi of the wireless AP to be detected and the 5GWiFi of the comparison wireless AP, repeating the test operation in the step 5 and the step 6, and analyzing and comparing whether the 5GWiFi live broadcast jamming condition and the packet loss delay condition of the comparison wireless AP are superior to those of the wireless AP to be detected;
step 8: when the 5GWiFi live broadcasting blocking condition and the packet loss delay condition of the comparison wireless AP are not superior to those of the wireless AP to be detected, setting the 2.4GWiFi of the interference wireless AP to be 8-channel 20MHz bandwidth and the 5GWiFi to be 44-channel 80MHz bandwidth, repeating the test operation of the step 5, the step 6 and the step 7, and analyzing and comparing whether the 2.4GWiFi, the 5GWiFi live broadcasting blocking condition and the packet loss delay condition of the comparison wireless AP are superior to those of the wireless AP to be detected;
step 9: when the 2.4GWiFi, 5GWiFi live broadcast blocking condition and packet loss delay condition of the comparison wireless AP are not better than those of the wireless AP to be tested, setting the 2.4GWiFi of the interference wireless AP to be 11b/g/n mode and the 5GWiFi to be 11a/an/ac mode, repeating the test operation of the step 5, the step 6 and the step 7, and analyzing and comparing whether the 2.4GWiFi, the 5GWiFi live broadcast blocking condition and the packet loss delay condition of the comparison wireless AP are better than those of the wireless AP to be tested;
step 10: and when the 2.4GWiFi and 5GWiFi live broadcast blocking conditions and packet loss delay conditions of the wireless AP are compared and are not better than those of the wireless AP to be tested, judging that the performance test of the wireless AP to be tested is qualified in an interference environment.
2. The method for testing wireless AP performance in an interference environment of claim 1 wherein in step 1, there are at least 6 WiFi6 mobile terminals and 2 WiFi5 mobile terminals among the 12 mobile terminals.
3. The method of testing wireless AP performance in an interference environment of claim 2, wherein in step 2, the testing environment is a set of common three-room one-hall home environments, wherein the living room is separated from the main sleeping room by a wall and a toilet, and the attenuation of WiFi signals between the living room and the main sleeping room can be used to simulate as a partition neighbor.
4. The method for testing wireless AP performance in an interference environment according to claim 3, wherein in the step 4, the 8 mobile terminals play live video, wherein at least 3 WiFi6 mobile terminals are used to play 4M blue light live video, and 5 other mobile terminals are used to play super-clear live video.
5. The method for testing wireless AP performance in an interference environment according to claim 4, wherein in step 6, step 7, step 8 and step 9, the tested wireless AP and the comparative wireless AP keep the same location, and the test locations of all the mobile terminals for testing do not change.
6. The method according to claim 5, wherein in the step 6, when the 2.4g wifi live blocking condition and the packet loss delay condition of the comparison wireless AP are better than those of the wireless AP under test, it is determined that the performance test of the wireless AP under test in the interference environment is not acceptable.
7. The method for testing wireless AP performance in an interference environment according to claim 6, wherein in step 7, when the 5g wifi live-broadcast stuck condition and the packet loss delay condition of the comparative wireless AP are better than those of the tested wireless AP, it is determined that the tested wireless AP performance test in the interference environment is not acceptable.
8. The method for testing wireless AP performance in an interference environment according to claim 7, wherein in step 8, when the 5g wifi live-card-on condition and the packet-loss delay condition of the comparison wireless AP are better than those of the tested wireless AP, it is determined that the tested wireless AP performance test in the interference environment is not qualified.
9. The method for testing wireless AP performance in an interference environment according to claim 8, wherein in step 9, when the 2.4 wifi, 5 wifi live-broadcast stuck condition and packet loss delay condition of the comparative wireless AP are better than those of the tested wireless AP, it is determined that the tested wireless AP performance test in the interference environment is not acceptable.
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