The invention relates to the technical field of mobile communication, and in particular relates to a phase-shifting structure and an antenna. The phase-shifting structure provided by the invention comprises a cavity, a combining circuit arranged on the cavity and a phase-shifting component arranged in the cavity. The cavity comprises a first sub-cavity and a second sub-cavity. The combining circuit is arranged between the first sub-cavity and the second sub-cavity. The phase-shifting component comprises a first frequency band phase-shifting component and a second frequency band phase-shiftingcomponent, wherein the first frequency band phase-shifting component and the second frequency band phase-shifting component are arranged in the first sub-cavity and the second sub-cavity respectively.Input ends are arranged on both sides of the combining circuit. The output ends of the first frequency band phase-shifting component and the second frequency band phase-shifting component are connected with the input ends on both sides of the combining circuit respectively. According to the phase-shifting structure provided by the invention, two frequency band phase-shifting components are placedin different sub-cavities respectively; the impact resistance of the phase-shifting structure is improved; and passive intermodulation products can be avoided.

Phase-shifting structure and antenna

The invention relates to a combined phase shifter comprising a cavity which comprises a first sub-cavity, a second sub-cavity and a third sub-cavity which are arranged separately; a phase shifter module which comprises a first phase shifter and a second phase shifter, wherein the first phase shifter is located in the first sub-cavity, the second phase shifter is located in the second sub-cavity and the first phase shifter and the second phase shifter operate in different frequency bands respectively; and a combiner module which is located in the third sub-chamber and electrically connected with the first phase shifter and the second phase shifter respectively so as to combine and output the frequency band signals outputted from the first phase shifter and the second phase shifter. Therefore, the mutual influence and interference among the modules can be effectively reduced, the isolation among the modules can be greatly improved and the physical size of each sub-cavity is relatively reduced when the overall size of the cavity is unchanged so that the resonance frequency of the cavity can be raised to the working frequency far away from the phase shifter and the resonance phenomena can be effectively avoided.

Combined phase shifter

The utility model provides a composite network microwave device and a microwave device cavity thereof. The composite network microwave device comprises a microwave device cavity and a composite microwave network arranged in the microwave device cavity, wherein the composite microwave network comprises a first microwave network and at least one second microwave network intersected with the first microwave network, and one of the first microwave network and the second microwave network is connected with a transmission cable through the other microwave network. One of a first microwave network and a second microwave network is used as a connecting piece for connecting a transmission cable with the other microwave network; according to the utility model, the wiring difficulty of the microwave network circuit can be greatly reduced, the intersected first microwave network and second microwave network can form a three-dimensional microwave network circuit, the highly integrated design of the microwave network is realized, the number of parts and transmission cables can be greatly reduced when the microwave network is applied to a base station antenna, and the miniaturization development of the antenna is facilitated.

Composite network microwave device and microwave device cavity thereof

The present invention provides a light-weight phased-array antenna correction device. The device comprises a metal reflection plate, antenna blocks and a correction network. The antenna blocks and thecorrection network are arranged on the same end face of the metal reflection plate, the correction network comprises a correction dielectric plate, a correction line and a correction connector. The correction dielectric plate is inlaid into the metal reflection plate, the correction line is etched with the surface of the correction dielectric plate, and the correction dielectric plate and the correction line pass through the bottom portion of each antenna block; and the correction connector is arranged on the correction line, and the correction connector is connected with a correction branchor a load. The correction network and the metal reflection plate are integrated to achieve an effect on reduction of the section of the antenna; the correction line is light in weight and is inlaid ina metal emission plate to achieve the miniaturization of the whole array surface; and moreover, the separation design of the antenna unit and the correction network is employed to integrate the correction network and the metal reflection plate so as to achieve independent replacement of any antenna unit.

Light-weight phased-array antenna correction device

The invention discloses a phase shifting module, and discloses a phase shifter with the phase shifting module. The phase shifting module comprises a PCB, wherein a plurality of strip lines are arranged on the PCB, and the input ends of the plurality of strip lines are connected to the same input port; and a rotating medium which is arranged to be fan-shaped and is rotatably arranged on the PCB, and partially covers the strip lines. The phase shifter comprises the phase shifting module and a power dividing module, and the power dividing module is provided with power output ends connected with the input ends of the strip lines in the phase shifting module in a one-to-one correspondence mode. By applying the phase shifter, the longitudinal size of the phase shifting module can be reduced, sothat the size of the phase shifter is reduced, and ultra-wide working bandwidth can be realized.

Phase shifting module and phase shifter with same

The present invention relates to a MASSIVE MIMO antenna. The MASSIVE MIMO antenna comprises a reflection plate, a plurality of radiating elements, and a calibration module. A calibration network, a filter and a radio frequency connector are integrated on a PCB of the calibration module. Thus, the calibration module has both signal calibration and filtering functions. Therefore, the MASSIVE MIMO antenna does not require an external filter during use. Moreover, the calibration network, the filter, and the radio frequency connector are integrated through the PCB, so that the structure of the calibration module is more compact. Therefore, the degree of miniaturization of the above-mentioned MASSIVE MIMO antenna is higher, so that the above-mentioned communication base station is miniaturized. In addition, since the filter and the calibration network are designed as integrated, the matching performance of electrical parameters of two cascaded components can be fully considered in the design. Therefore, the matching performance of electrical parameters can be optimized as much as possible so as to achieve an optimal interconnection design of filter performance and antenna performance.

MASSIVE MIMO antenna

The invention discloses a dielectric sliding type phase shifter and a base station antenna The dielectric sliding type phase shifter comprises a cavity, a feed network and a phase shifting unit Thefeed network includes a functional circuit and phase shifting circuits The surfaces of the phase shifting circuits are covered with dielectric plates, by rotating the dielectric plates, the length ofthe phase shifting circuits covered by the dielectric plates can be changed, and then the electrical length of a transmission line can be changed to realize phase adjustment Furthermore, the phase shifting circuits and the dielectric plates are in an arc shape Therefore, when the dielectric plates of the phase shifting units rotate around the axis passing through the center of the circle, the dielectric plates are limited within a circle range without exceeding the range of the corresponding phase shifting circuits That is to say, the processes that the phase-shifting circuits realize phase adjustment are relatively independent Therefore, functional circuits and phase shifting circuits can be designed independently, the design space of the circuit is greatly improved, the design difficulty of the phase shifter is greatly reduced, and the problem of limited design space of circuits in a traditional dielectric sliding type phase-shifter is solved

Dielectric sliding type phase shifter and base station antenna

The invention provides a multi-system integrated array antenna comprising the following parts: a first antenna system having a Massive MIMO array; a second antenna system having an antenna array and working in a set network system, wherein the second antenna system is a passive antenna system, and the set network system refers to at least one of a 4G network system, a 3G network system and a 2G network system; the first and second antenna systems share an antenna shield. The multi-system integrated array antenna can realize integrated design of two or more antenna systems that include the Massive MIMO array antenna system, is compact in structure, can improve the compatibility of many communication systems, can easily reutilize existing base stations, can simplify base station facilities,can fully save antenna surface resources, can reduce network planning difficulty, can reduce service provider costs, and can improve maintenance conveniences.

Multi-system integrated array antenna

The utility model relates to a mobile communication technology field especially relates to a move phase structure and antenna. The utility model provides a move the phase structure, include: the cavity, set up and close the way circuit on the cavity, set up and move the looks subassembly in the cavity, the cavity includes the sub - cavity of first sub - cavity and second, close way circuit arrangement in between the sub - cavity of first sub - cavity and second, the looks subassembly is moved to first frequency channel in first sub - cavity and the sub - cavity of second and the looks subassembly is moved to the second frequency channel including setting up respectively to move the looks subassembly, it all is equipped with the input to close way circuit both sides, first frequency channelis moved the output that looks subassembly and second frequency channel moved on the looks subassembly and is linked to each other with the input that closes way circuit both sides respectively. Adopt the utility model provides a move the phase structure, move the looks subassembly with two frequency channels and place different sub - chambeies respectively in, improve and move the shock resistance of phase structure, can avoid introducing the passive intermodulation result better.

Su Guosheng

Papers

MASSIVE MIMO antenna

Dielectric sliding type phase shifter and base station antenna

Phase-shifting structure and antenna

Multi-system integrated array antenna

Move phase structure and antenna