Navigation frequency band-considered small-size and eight-frequency-band WWAN/LTE mobile phone antenna

Abstract

The invention provides a navigation frequency band-considered small-size and eight-frequency-band WWAN / LTE mobile phone antenna, which comprises an FR4 substrate (1), radiation metal sheets and a coupled feeding short-circuited belt (3). The radiation metal sheets comprise a feed belt (2) and the coupled feeding short-circuited belt (3). The feed belt (2) is printed on the upper surface of the FR4 substrate (1) and is used for generating a high-frequency resonant diaphragm including LTE 3500. The coupled feeding short-circuited belt (3) is formed by the sequential and vertical connection of the plurality of radiation metal sheets and is printed on the upper surface of the FR4 substrate (1). The coupled feeding short-circuited belt (3) is used for generating a low-frequency resonant diaphragm. A slotted-type metal grounding plate (6) is printed on the backside of the FR4 substrate (1) and facilitates the coverage of the full communication frequency band. According to the invention, based on the unique structural design of radiation metal sheets and the accurate positioning of an opening position on the slotted-type metal grounding plate, the current distribution is changed. Therefore, the mobile phone antenna can cover the LTE 3500 frequency band for the future 5G communication.

Description

technical field [0001] The invention relates to the field of antenna technology, in particular to a small-sized eight-band WWAN / LTE mobile phone antenna that takes into account the navigation frequency band. Background technique [0002] In recent years, with the rapid development of the domestic wireless communication industry, especially since the GHz era, when 2G / 3G is in full swing and the 4G era is in the ascendant, the next-generation mobile communication-5G era has been put on the development agenda. At the same time, mobile phones have also developed rapidly as a very important mobile communication carrier. Smart, ultra-thin, widescreen, and multi-network coverage have become important standards for measuring the quality of mobile phones today. In order to improve the competitiveness of mobile phones and adapt to the market demand in the new era, mobile phone antennas, as an important part of mobile phone equipment, will inevitably develop in the direction of miniat...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the above-mentioned existing technology cannot meet the needs of future 5G communication, and provides a small-sized eight-band WWAN / LTE mobile phone antenna that takes into account the navigation frequency band

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