Antenna for mobile terminal and mobile terminal comprising the antenna

Abstract

The invention provides an antenna for a mobile terminal and the mobile terminal comprising the antenna, the mobile terminal comprises a metal shell, the end of the metal shell is cut to form a gap, the metal shell is divided by the gap into two parts including a narrow body portion on one side of end edge and a body portion on the other side, and the antenna comprises a first resonance circuit and a second resonance circuit; the first resonance circuit is coupled to the gap and comprises a first radiator, a feed end arranged on the body portion, a first ground terminal arranged on the body portion, a first feed component and a fourth feed component to form a loop antenna unit; and the second resonance circuit is coupled to the gap and comprises a second radiator, a fourth ground terminal and a second feed component to form a monopole antenna unit. According to the technical scheme of the invention, the amount of components of the antenna and the total design complexity are reduced, and the cost is reduced; and the influence from user hand effect to antenna performance is reduced.

Description

technical field [0001] The present invention relates to the field of mobile terminals, in particular to an antenna for a mobile terminal and a mobile terminal with the antenna. Background technique [0002] Today, with the development of communication technology, 2G, 3G, 4G, WIFI, and GPS networks coexist. In order to be compatible with different networks, the antenna of the mobile device needs to be able to work in multiple frequency bands. In the field of mobile terminal equipment, the design environment of the antenna is very complex, the space is limited, and it must be considered to share the space structure with other functional components. One of the limitations is that simply designing a single antenna cannot cover all the required frequency bands. In order to meet the requirements of working in multiple frequency bands, multiple antenna units must be designed. In addition, in recent years, wireless communication devices often use metal as the casing, which provides...

AI Technical Summary

Problems solved by technology

[0005] 1. The antenna design scheme in the prior art has a narrow bandwidth in the low frequency band (LB), and in order to cover the entire low frequency band, 3-4 FM states are often required;

[0006] 2. If it is necessary to cover all frequency bands in the same mobile device, multiple frequency modulation components are required;

[0007] 3. It is difficult to obtain optimal performance at low frequency, medium frequency and high frequency at the same time,

[0008] 4. A single antenna feed cannot access all FM components

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