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    • 6. 发明授权
    • Antenna for a mobile station operating in two frequency ranges
    • 用于在两个频率范围内工作的移动台的天线
    • US6028567A
    • 2000-02-22
    • US207880
    • 1998-12-08
    • Saku Lahti
    • Saku Lahti
    • H01Q1/24H01Q1/36H01Q1/38H01Q5/00H01Q5/371H01Q5/378H01Q5/392H01Q9/40H01Q9/42H01Q9/16
    • H01Q9/42H01Q1/242H01Q1/36H01Q1/38H01Q5/371H01Q5/378H01Q5/392H01Q9/40
    • The invention comprises an antenna structure particularly suitable for mobile stations operating on two frequency ranges. As a supporting component and also as component determining the electrical characteristics the antenna includes a dielectric plate (21). On one surface of the dielectric plate there is a radiating element (22) with a meander form, and on the opposite support of the dielectric plate there is a planar radiating element (23). The operation on two frequency ranges is based on the fact that the structure has two resonance frequencies, which are relatively far from each other. The strips are further relatively wide, due to which the antenna operates satisfactorily in different positions and in the vicinity of objects. The parasitic element can further have a gap operating as a separate radiator, whereby the antenna operates on three frequency ranges. The antenna according to the invention is flat, and therefore it can be fixed to the back wall of a mobile station, and the distance to the user's head is as large as possible.
    • 本发明包括一种特别适用于在两个频率范围上工作的移动台的天线结构。 作为支撑部件,并且作为确定电特性的部件,天线包括电介质板(21)。 在电介质板的一个表面上有一个具有曲折形式的辐射元件(22),并且在电介质板的相对的支撑件上有一个平面辐射元件(23)。 在两个频率范围上的操作基于这样的事实,即该结构具有两个彼此相对较远的谐振频率。 条带进一步相对宽,由于天线在不同位置和物体附近令人满意地工作。 寄生元件还可以具有作为单独的辐射器工作的间隙,由此天线在三个频率范围上工作。 根据本发明的天线是平坦的,因此它可以固定到移动台的后壁,并且到用户头部的距离尽可能大。
    • 9. 发明授权
    • Method for receiving radio frequency signal and a receiver device
    • 接收射频信号的方法和接收机装置
    • US07171175B2
    • 2007-01-30
    • US09981101
    • 2001-10-16
    • Saku LahtiIlkka Kontola
    • Saku LahtiIlkka Kontola
    • H04B7/08
    • H04B7/0822G01S19/22G01S19/36H04B7/0848H04B7/0857H04B7/10
    • In a method (300) for receiving a radio signal, there are steps of: receiving (301, 303) first and second received signal components by use of first and second antennas having different properties; processing (305) a received signal component to produce a sampled signal component; producing (307) at least one combined signal, which is a linear combination of at least two sampled signal components; and selecting (306) at least one set of complex values for coefficients of the linear combination so that a quality of a combined signal is at least equal to the quality of that sampled signal component having the best quality. Furthermore, the antennas are alternately connected (302, 304) via a switching element to radio frequency means so that received signal components are interleaving and so that first and second parts of a certain piece of transmitted information are received with the first and second antennas, respectively. A corresponding receiver device is also presented.
    • 在用于接收无线电信号的方法(300)中,存在以下步骤:通过使用具有不同属性的第一和第二天线来接收(301,303)第一和第二接收信号分量; 处理(305)接收信号分量以产生采样信号分量; 产生(307)至少一个组合信号,其是至少两个采样信号分量的线性组合; 以及为所述线性组合的系数选择(306)至少一组复值,使得组合信号的质量至少等于具有最佳质量的采样信号分量的质量。 此外,天线通过开关元件交替地连接到射频装置,使得接收的信号分量是交织的,并且使得第一和第二天线接收到某个发送信息的第一和第二部分, 分别。 还提出了相应的接收机设备。