Abstract: A millimeter wave antenna assembly includes a rear cover; a preset antenna group, provided on a side below the rear cover; a millimeter wave antenna group, provided below the rear cover and adjacent to the preset antenna group, wherein the millimeter wave antenna group and the preset antenna group are spaced apart by a preset distance; a main board, in which the preset antenna group and the millimeter wave antenna group are electrically connected to the main board; and a frame, circumferentially provided around the main board, wherein the rear cover engages with the frame.

Abstract: The present application discloses an antenna structure and a mobile terminal. In the antenna structure of the present application, a radome corresponding to a region between adjacent antenna elements is made of a metal material, and a radome corresponding to a radiation region of the antenna elements is made of a low dielectric constant material, and a fence-type radome structure is formed. Such a design can ensure the performance of an array antenna in the antenna structure, and can improve the product firmness of the antenna structure.

Abstract: The present application provides an array antenna and a mobile terminal. This application increases the number of array elements through the arrangement of the plurality of rows of array elements, thereby reducing the maximum gain reduction of the array antenna in the maximum scan area, and by the arrangement, each feeding network supports the 28 GHz frequency band and the 39 GHz frequency band such that 2*2 MIMO signal differential communication is realized for each array element, thereby achieving support of dual-frequency and dual-polarization signals by the array antenna. Meanwhile, it can automatically adjust the antenna array form according to the strength of signals, thereby reducing the input power, improving the energy efficiency of the system and dynamically adjusting chip operating temperature.

Abstract: A mobile terminal includes: a casing including a metal frame and a rear cover, wherein the metal frame is provided with a plurality of slots to divide the metal frame into a plurality of metal parts arranged at intervals; an antenna bracket being provided with a plurality of wirings; a first antenna assembly including a plurality of antenna structures, wherein the plurality of antenna structures are formed based on a plurality of metal parts arranged at intervals and a plurality of wirings, and a working frequency band of the plurality of antenna structures is a sub-6G frequency band; and a second antenna assembly including a plurality of millimeter-wave antenna modules, wherein a working frequency band of the plurality of millimeter-wave antenna modules is a millimeter-wave frequency band.

Abstract: Disclosed in the present application are an antenna apparatus and a terminal device. The present application, by means of adding a power attenuator to each antenna unit of an array antenna, and the power attenuators being used to load a Dolph-Chebyshev algorithm and/or a Taylor algorithm so as to attenuate power of an input signal, can effectively inhibit side lobe gain of the array antenna and ensure identical main lobe gain and width.

Abstract: The present disclosure provides an RF front-end circuit and a circuit board thereof, a terminal. The RF front-end circuit may include an RF transceiver and a first RF circuit, a second RF circuit, a third RF circuit and a fourth RF circuit connecting to the RF transceiver respectively. The first RF circuit may be connected to a first antenna. The second RF circuit may be connected to a second antenna. The third RF circuit may be connected to a third antenna. The fourth RF circuit may be connected to a fourth antenna. The first RF circuit, the second RF circuit, the third RF circuit and the fourth RF circuit may be independent from each other.

Abstract: An antenna of a mobile terminal includes: a frame including four broken slots dividing the frame into a bottom frame, a top frame, a left frame, and a right frame; a two-input/two-output switch; a bottom antenna disposed in the bottom frame; a top antenna disposed in the top frame; a first high-frequency antenna disposed in the right frame; a second high-frequency antenna disposed in the left frame; a first selection switch disposed in a left side of the bottom frame; and a second selection switch disposed in a right side of the bottom frame; wherein the bottom antenna, the top antenna, the first high-frequency antenna, and the second high-frequency antenna are connected to the two-input/two-output switch. A switching method of the antenna of the mobile terminal and the mobile terminal are also provided.

Abstract: An antenna of a mobile terminal includes: a frame including four broken slots dividing the frame into a bottom frame, a top frame, a left frame, and a right frame; a two-input/two-output switch; a bottom antenna disposed in the bottom frame; a top antenna disposed in the top frame; a first high-frequency antenna disposed in the right frame; a second high-frequency antenna disposed in the left frame; a first selection switch disposed in a left side of the bottom frame; and a second selection switch disposed in a right side of the bottom frame; wherein the bottom antenna, the top antenna, the first high-frequency antenna, and the second high-frequency antenna are connected to the two-input/two-output switch. A switching method of the antenna of the mobile terminal and the mobile terminal are also provided.

Abstract: The present disclosure provides an RF front-end circuit and a circuit board thereof, a terminal. The RF front-end circuit may include an RF transceiver and a first RF circuit, a second RF circuit, a third RF circuit and a fourth RF circuit connecting to the RF transceiver respectively. The first RF circuit may be connected to a first antenna. The second RF circuit may be connected to a second antenna. The third RF circuit may be connected to a third antenna. The fourth RF circuit may be connected to a fourth antenna. The first RF circuit, the second RF circuit, the third RF circuit and the fourth RF circuit may be independent from each other.