A dynamic frequency selection method and electronic device
A technology of dynamic frequency selection and electronic device, applied in the field of communication, can solve the problems of complicated structure of WiFi equipment, reduced production cost, increased difficulty of circuit heat dissipation and layout, etc., and achieves the effect of simplifying structure, reducing difficulty and reducing production cost.
Active Publication Date: 2019-08-02
AMBIT MICROSYSTEMS (SHANGHAI) LTD
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Problems solved by technology
Under the current technical conditions, it is often necessary to use a chip with a DFS hardware computing architecture in the electronic device when performing DFS testing on the electronic device of the WiFi device, which not only complicates the structure of the WiFi device, but also increases the difficulty of heat dissipation and layout of the circuit , and is not conducive to the reduction of production costs
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[0022] The dynamic frequency selection method and the electronic device provided by the present invention will be further described in detail below in conjunction with the accompanying drawings and implementation manners.
[0023] Please refer to figure 1 , shows a connection structure diagram of the electronic device 1 , the access point AP2 and the external terminal 3 in an embodiment of the present invention. The electronic device 1 is capable of network connection with the access point AP2 of the wireless local area network through a channel corresponding to the access point AP2, and accessing the Internet through the access point AP2. The electronic device 1 can also serve as an access point of a wireless local area network and connect to an external terminal 3 via the access point. The external terminal 3 accesses the Internet through the electronic device 1 as an access point. The access point AP2 has a DFS function, that is, to detect whether there is radar data in t...
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The invention relates to a method for realizing dynamic frequency selection in a wireless local area network and an electronic device. According to the electronic device disclosed in the invention, a WiFi module which works in an AP mode is switched to a channel, wherein the channel carries out network connection with a WiFi module which works in an STA mode and is corresponding to an access point AP with a dynamic frequency selection function, and the WiFi module which works in the AP mode carries out network connection with an external terminal through the switched channel, so that the electronic device indirectly has the dynamic frequency selection function. According to the method and the device, a structure of the electronic device which has requirements for dynamic frequency selection function is simplified, the difficulties in heat dissipation and layout of a circuit in the electronic device are reduced, and the production cost is reduced.
Description
technical field [0001] The invention relates to the technical field of communication, in particular to a method and an electronic device for realizing dynamic frequency selection in a wireless local area network. Background technique [0002] In the field of wireless communication, DFS (Dynamic Frequency Selection, dynamic frequency selection) is an enforcement mechanism for radio systems operating in the 5GHz frequency band, in an attempt to avoid mission-critical radio transmissions such as radar systems. Since radar equipment operating in the 5GHz frequency band and WLAN (Wireless Local Area Network, wireless local area network) work on the same frequency and are within the working range, the two can interfere with each other. Therefore, wireless local area networks such as WiFi operating in the 5GHz frequency band must have DFS capability. WiFi devices can use the UNII (Unauthorized national information infrastructure, unauthorized national information infrastructure)-2...
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IPC IPC(8): H04W36/00
CPCH04W36/0005
Inventor 张书豪
Owner AMBIT MICROSYSTEMS (SHANGHAI) LTD