Huawei Device Co., Ltd.

Yanping Xie

Shuhui Sun

Yao Lan

Ping Lei

Yi Fan

Yongling Ban

Zhitai Zheng

Qing Wen Liu

Qizhi Zhan

Shuqiang Gong

Shaoqing Chen

Chaoyan Zhang

Qing Liu

Rao Lan

Embodiments of the present invention disclose an antenna designing method and a data card single board of a wireless terminal is provided. The antenna designing method provided by an embodiment of the present invention includes: dividing a semi-closed area without other metal wirings on a data card single board of the wireless terminal; and arranging an antenna wiring in the semi-closed area, where a gap exists between the antenna wiring and the data card single board, and the antenna wiring is coupled with the data card single board via the gap. The embodiments of the present invention also disclose a data card single board of the wireless terminal. According to the embodiments of the present invention, a Specific Absorption Rate (SAR) value of the antenna is reduced, and meanwhile, a working bandwidth of a broadband is realized.

Antenna designing method and data card signal board of wireless terminal

A wireless terminal device includes: a conduction and connection module, and a first Printed Circuit Board, PCB, connected to the conduction and connection module, and the wireless terminal device further includes a first conductor, where one of the conduction and connection module and the first PCB is connected to one end of the first conductor through a first capacitance coupling module, and the other one of the conduction and connection module and the first PCB is connected to the other end of the first conductor. Through the foregoing processing, capacitance coupling and grounding between the conduction and connection module and the PCB can be implemented through the first capacitance coupling module.

Wireless terminal device

An antenna designing method and a data card single board of a wireless terminal are provided. The antenna designing method provided by an embodiment of the present invention includes: dividing a semi-closed area without other metal wirings on a data card single board of the wireless terminal; and arranging an antenna wiring in the semi-closed area, where a gap exists between the antenna wiring and the data card single board, and the antenna wiring is coupled with the data card single board via the gap. The embodiments of the present invention also disclose a data card single board of the wireless terminal. According to the embodiments of the present invention, a Specific Absorption Rate (SAR) value of the antenna is reduced, and meanwhile, a working bandwidth of a broadband is realized.

Antenna designing method and data card single board of wireless terminal

An antenna designing method and a data single board of a wireless terminal are disclosed. The method provided by the embodiments of the present invention includes: dividing a semi-closed area without other metal wirings on a data card single board of the wireless terminal; and arranging an antenna wiring and a metal coupling piece in the semi-closed area, where the antenna wiring and the metal coupling piece are parallel and overlap one another, a gap exists between the metal coupling piece and the data card single board, and the metal coupling piece is coupled with the data card single board via the gap. An embodiment of the present invention also provides a data card single board of a wireless terminal. According to the embodiments of the present invention, a Specific Absorption Rate (SAR) value of the antenna is reduced, and a working bandwidth of a broadband is realized.

A wireless data terminal device comprises a detachable USB connector and a main circuit board, where at least two redundancy grounding connections are provided between the detachable USB connector and the main circuit board, and the grounding points of the at least two redundancy grounding connections are not adjacent to each other. A method for improving the radio performance of the wireless data terminal device is further provided. With the wireless data terminal device or the method for improving the radio performance of the wireless data terminal device, the connection of the grounding plane of the wireless data terminal device with the grounding plane of a computer is effectively enhanced. Therefore, the radio performance of the wireless data terminal device is improved.

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Shenzhen, China

Yanping Xie