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The test consists of five aspects of wireless products
ANCI test logoChannel test
  Unlike wiring test, signal strength, the strength of the noise, SNR is one of the most important indicators of channel test, pattern is microwave transmission, wireless transmission signal strength test is to validate the signal attenuation of the state, the strength of the microwave attenuation with distance, obstacles blocking, AP associated factors such as transmission power, the strength of the signal in the WLAN site can surf the Internet connected, is crucial.Because WLAN802.11 use public channel, there are other communication in these channels or industrial equipment, such as microwave ovens, mobile phones, 2.4 G / 5.8 G microwave transmission facilities will cause noise to WLAN, the WLAN transmission caused great disturbance.
ANCI test logoWLAN network performance test
  Test is the same with wired network, the network performance testing is the basic test and operation monitoring, basic test includes AP throughput test, Ping, site and the AP list analysis and so on, the tester of WLAN run through these tests to complete basic situation assessment.Operation monitoring is on the basis of the basic testing increased the AP site real-time performance comprehensive analysis, real-time traffic analysis, SSID grouping analysis, 802.11 the classification of network transmission of data packets and the signal frame, and the composition, real-time network utilization and throughput and transmission rate of any node test parameters, these parameters reflect the WLAN is the actual working condition.
ANCI test logoProtocol analysis
  For WLAN, because it has many special frame format in agreement, so the real-time capture packet decoding is indispensable in the WLAN test.Because we do network maintenance and management is the purpose of the protocol analysis, so we in the process of decoding, need only solution to the three layers, three layer contains almost all of the network maintenance and management of basic information, of course, if there are conditions all seven layers of decoding and harmless
ANCI test logoFault diagnosis
  It is essential to an application in network operation maintenance, fault diagnosis of WLAN is through the channel test, network performance analysis, catch packet decoding through comprehensive analysis of the results of the test.The fault diagnosis of WLAN caused by the characteristics of WLAN is divided into two parts: one is the performance of network fault diagnosis (network performance evaluation), including connectivity failure, low speed transmission, the AP signal is weak, etc;Secondly, the fault diagnosis of network security (network security evaluation), it is characteristic of the WLAN network problem.Due to the characteristics of microwave transmission, within a certain space, microwave signals can be received within this space all reception equipment, so the IEEE continuously introduce for WLAN security protocols, from the original WEP, LEAP, MIC, TKIP, 802.1 X security agreement to the latest WPA, can say that the safety factor of WLAN has been more and more high.But the current safety problems originated from the user's initial setup, most corporate users of even the most basic security mode WEP doesn't open, just like your door unlocked, anyone can access your network, the network is very unsafe.Found existing security vulnerability is the basic requirement of WLAN security testing.For enterprise network, just open the WEP function is not enough, WEP key is static, for a well-trained hackers attack only WEP networks need only two small software can be easily done.This raises a question of certification, certification of how a device is a normal network equipment or illegal invasion of equipment, no matter use what means to invade, illegal invaders is for network are unsafe factors, how to find and quickly locate the illegal invasion of equipment is also very important demand WLAN security tests.
ANCI test logoThe maintenance problems in application of WLAN
  Perfect management document can make the network operation maintenance easier, besides must include the wireless access point and site management document status list in detail, and the test report in the document, should not only include the basic network security, and performance analysis to each order real-time report on file, thus formed the whole network of long-term dynamic network analysis of documents, in order to further the network provides a convenient way to upgrade maintenance.Development of wireless LAN technology, 802.11 a, 802.11 g of the two standard and commercial has brought new business opportunities to the development of wireless network, with China mobile, China telecom, China netcom building WLAN broadband access several big operators have investment hot spots, WLAN has become the pronoun of mobile commerce and mobile Internet access, each big universities also rushed to the construction of WLAN, in order to meet the growing demand for online students and staff, large enterprises will also be WLAN as the next development direction of network construction, according to the need of multiple frequency testing, support distributed testing also mentioned the agenda.To realize distributed test, at the same time support 802.11 a/b/g multifrequency test plan has become the first selection of WLAN testing.

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