Wireless auxiliary device
A wireless auxiliary device includes a signal operation module and a filtering module. An electromagnetic characteristic of the signal operation module is adjustable, and an electromagnetic response characteristic of a signal on an operating frequency band is controlled by adjusting the electromagnetic characteristic of the signal operation module. The filtering module is configured to enable an electromagnetic response characteristic of the wireless auxiliary device on a signal on a non-operating frequency band not to be controlled by the signal operation module. The signal on the operating frequency band and the signal on the non-operating frequency band are radio signals transmitted by a base station or a terminal.
1 . A wireless auxiliary device, comprising a signal operation module and a filtering module, wherein
an electromagnetic characteristic of the signal operation module is adjustable, and an electromagnetic response characteristic of a signal on an operating frequency band is controlled by adjusting the electromagnetic characteristic of the signal operation module;
the filtering module is configured to enable an electromagnetic response characteristic of the wireless auxiliary device on a signal on a non-operating frequency band not to be controlled by the signal operation module; wherein the non-operating frequency band is an adjacent frequency band of the operating frequency band, there is a frequency band transition interval between the operating frequency band and the non-operating frequency band, and bandwidth of the frequency band transition interval is less than a preset bandwidth threshold; and
the signal on the operating frequency band and the signal on the non-operating frequency band are radio signals transmitted by a base station or a terminal; wherein
the wireless auxiliary device comprises a switch component, the switch component has two operating states: an on state and an off state, the switch component is configured to adjust the electromagnetic characteristic of the signal operation module, the signal operation module has a frequency selection characteristic, the frequency selection characteristic is related to a connection structure between the switch component and the filtering module, and a transmission characteristic of the filtering module is determined according to a frequency response characteristic of the signal operation module.
2 . The wireless auxiliary device according to claim 1 , wherein electromagnetic response characteristics of the signal on the operating frequency band that the wireless auxiliary device is configured to control comprise at least one of: a phase, an amplitude, or a polarization direction.
3 . The wireless auxiliary device according to claim 1 , wherein
signal strength of the signal on the non-operating frequency band after being forwarded by the wireless auxiliary device is less than signal strength of the signal on the non-operating frequency band before being forwarded; or
a signal electromagnetic characteristic of the signal on the non-operating frequency band remains unchanged after being forwarded by the wireless auxiliary device corresponding to different electromagnetic characteristics of the signal operation module.
4 . The wireless auxiliary device according to claim 1 , wherein there is a frequency band transition interval between the operating frequency band and the non-operating frequency band, and bandwidth of the frequency band transition interval is less than a preset bandwidth threshold.
5 . The wireless auxiliary device according to claim 1 , wherein the wireless auxiliary device further comprises a medium layer and a bottom plate, the bottom plate is adhered to a first side of the medium layer, and the signal operation module is adhered to a second side of the medium layer.
6 . The wireless auxiliary device according to claim 5 , wherein there are multiple signal operation modules, and the multiple signal operation modules are disposed in an array on the medium layer.
7 . The wireless auxiliary device according to claim 1 , wherein the signal operation module comprises the switch component, the switch component is connected in parallel to the filtering module, and the filtering module has a band-stop filtering characteristic.
8 . The wireless auxiliary device according to claim 7 , wherein
the filtering module meets a blocking characteristic on the operating frequency band, and the blocking characteristic comprises: a transmission parameter of the filtering module for the signal on the operating frequency band is less than a first threshold; and
the filtering module meets a conduction characteristic on the non-operating frequency band, and the conduction characteristic comprises: a transmission parameter of the filtering module for the signal on the non-operating frequency band is greater than a second threshold; wherein
the second threshold is greater than the first threshold.
9 . The wireless auxiliary device according to claim 1 , wherein the signal operation module comprises the switch component, the switch component is connected in series to the filtering module, and the filtering module has a band-pass filtering characteristic.
10 . The wireless auxiliary device according to claim 9 , wherein
the filtering module meets a conduction characteristic on the operating frequency band, and the conduction characteristic comprises: a transmission parameter of the filtering module for the signal on the operating frequency band is greater than a third threshold; and
the filtering module meets a blocking characteristic on the non-operating frequency band, and the blocking characteristic comprises: a transmission parameter of the filtering module for the signal on the non-operating frequency band is less than a fourth threshold; wherein
the third threshold is greater than the fourth threshold.
11 . The wireless auxiliary device according to claim 1 , wherein the filtering module comprises the switch component.
12 . The wireless auxiliary device according to claim 11 , wherein
the switch component meets a first characteristic on the operating frequency band, and the first characteristic comprises: when different control signals are loaded on the switch component, a difference between transmission parameters of the switch component for signals on the operating frequency band is greater than a fifth threshold; and
the switch component meets a second characteristic on the non-operating frequency band, and the second characteristic comprises: when different control signals are loaded on the switch component, a difference between transmission parameters of the switch component for signals on the non-operating frequency band is less than a sixth threshold; wherein
the different control signals are separately used to control two operating states of the switch component, and the fifth threshold is greater than the sixth threshold.
13 . The wireless auxiliary device according to claim 1 , wherein the filtering module covers a surface of the signal operation module.
14 . The wireless auxiliary device according to claim 13 , wherein the signal on the non-operating frequency band is absorbed by the filtering module; wherein
on the operating frequency band, a transmission parameter s 12 and a transmission parameter s 21 of the filtering module are greater than a seventh threshold, and a transmission parameter s 11 and a transmission parameter s 22 are less than an eighth threshold; and
on the non-operating frequency band, a transmission parameter s 11 , a transmission parameter s 12 , a transmission parameter s 21 , and a transmission parameter s 22 of the filtering module are all less than a ninth threshold; wherein
the seventh threshold is greater than the eighth threshold and the ninth threshold, a surface of the filtering module away from the signal operation module is a port 1, and a surface of the filtering module facing the signal operation module is a port 2.
15 . The wireless auxiliary device according to claim 13 , wherein the signal on the non-operating frequency band is reflected by the filtering module; wherein
on the operating frequency band, a transmission parameter s 12 and a transmission parameter s 21 of the filtering module are greater than a tenth threshold, and a transmission parameter s 11 and a transmission parameter s 22 are less than an eleventh threshold; and
on the operating frequency band, a transmission parameter s 12 and a transmission parameter s 21 of the filtering module are less than a twelfth threshold, and a transmission parameter s 11 and a transmission parameter s 22 are greater than a thirteenth threshold; and
the tenth threshold is greater than the eleventh threshold, the thirteenth threshold is greater than the twelfth threshold, a surface of the filtering module away from the signal operation module is a port 1, and a surface of the filtering module facing the signal operation module is a port 2.
16 . The wireless auxiliary device according to claim 1 , wherein
one end of the filtering module is connected to the signal operation module, and other end of the filtering module is connected to a reference ground or a power module.
17 . The wireless auxiliary device according to claim 16 , wherein the filtering module meets a blocking characteristic on the operating frequency band, and the filtering module meets a conduction characteristic on the non-operating frequency band.