The present invention provides a multi-frequency array antenna The multi-frequency array antenna includes at least one dual-polarized low frequency subarray (21) and at least one dual-polarized high frequency subarray (22), where the dual-polarized low frequency subarray (21) and the dual-polarized high frequency subarray (22) are arranged, within a same radome (23), in parallel along an axial direction (24) of the multi-frequency array antenna, the dual-polarized low frequency subarray includes at least two types of dual-polarized low frequency radiation unit pairs (211), and each of the dual-polarized low frequency radiation unit pairs includes at least four low frequency radiation units As compared with the prior art, in this structure, effective working regions of the multiple low frequency radiation units in each dual-polarized low frequency radiation unit pair cover a larger area, and therefore diameter utilization of the dual-polarized low frequency radiation unit pair is higher, and a gain of the low frequency subarray is higher

Multi-frequency array antenna

The invention discloses a multi-band antenna, which includes a first antenna unit and a second antenna unit. The first antenna unit includes a first radiating element and a first bottom plate. The first radiating element is disposed on the first bottom plate. The second antenna unit comprises a second radiating unit, a second bottom plate, a feeding network, a coaxial cable and a calibration network component. The second radiating unit and the feeding network are both disposed on the second bottom plate. The second radiating unit is connected with the feeding network. One end of the coaxial cable is connected with the feeding network, and the other end of the coaxial cable is connected with the calibration network component. The second bottom plate is insulated from the first bottom plate. According to the invention, systems in different frequency bands are independent and insulated, and therefore, the mutual interference between the systems in the different frequency bands can be reduced, so that the antenna has better index performance.

Multi-band antenna

The utility model relates to the technical field of antenna equipment, and specifically relates to a four-frequency multimode electrically-tuned antenna. The four-frequency multimode electrically-tuned antenna comprises a first reflecting plate and a second reflecting plate, wherein the edge of the first reflecting plate is in insulated connection with that of the second reflecting plate through a connecting piece; GSM 900 signal antenna array units and GSM 1800 signal antenna array units are installed on the front surface of the first reflecting plate; and intelligent antenna arrays, which are capable of processing TD-SCDMA signals and TD-LTE signals at the same time, are installed on the front surface of the second reflecting plate. Based on a traditional base station antenna and an intelligent antenna, the four-frequency multimode electrically-tuned antenna combining the traditional base station antenna with the intelligent antenna is achieved by means of reasonable optimization of resource allocation, so that compatibility of a communication system is improved, the number of base stations of a mobile operator and the complexity of network planning are reduced, and the construction cost of the base stations of the mobile operator is reduced.

Sun Shangchong

Papers

Four-frequency multimode electrically-tuned antenna