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    • 1. 发明申请
    • Antenna diversity system and method for operating said system
    • 天线分集系统及其操作方法
    • US20060057975A1
    • 2006-03-16
    • US10523389
    • 2003-06-27
    • Kevin BoyleWilhelmus DolmansLukas LeytenPeter Massey
    • Kevin BoyleWilhelmus DolmansLukas LeytenPeter Massey
    • H04B1/02H04B1/06H04B7/02
    • H01Q1/243H01Q3/24H01Q19/30H01Q19/32H01Q21/29H04B7/0802
    • The invention relates to an antenna diversity comprising a first and a second antenna element where the first antenna element is operated in an active mode whereas the second antenna element is operated in a parasitic mode. The present invention minimizes the amount of mismatch while still being able to maximize a predetermined signal quality criterion for the electromagnetic signal on the active path between the first antenna element and the transceiver. By providing a pre-selection unit 130 as well as a selection unit 140 for selecting an optimal adjustable impedance connected to the second antenna ensuring that the amount of said mismatch is below a predetermined threshold value and that simultaneously a predetermined quality criterion for the transceived electromagnetic signal is fulfilled best within the range determined by the allowable mismatch. The invention further relates to a method for operating such an antenna diversity.
    • 本发明涉及包括第一和第二天线元件的天线分集,其中第一天线元件以活动模式操作,而第二天线元件以寄生模式操作。 本发明使失配量最小化,同时仍然能够使第一天线元件和收发器之间的有源路径上的电磁信号的预定信号质量标准最大化。 通过提供预选单元130以及用于选择连接到第二天线的最佳可调阻抗的选择单元140,确保所述失配的量低于预定阈值,并且同时确定用于收发电磁波的预定质量标准 信号在由允许的不匹配确定的范围内是最佳的。 本发明还涉及一种用于操作这种天线分集的方法。
    • 3. 发明申请
    • Antenna arrangement and module including the arrangement
    • 天线布置和模块包括布置
    • US20050237251A1
    • 2005-10-27
    • US10513505
    • 2003-08-29
    • Kevin BoylePeter Massey
    • Kevin BoylePeter Massey
    • H01Q3/24H01Q1/24H01Q9/04H01Q13/08H01Q13/10H01Q13/16H01Q1/48
    • H01Q9/0421H01Q1/243H01Q13/10H01Q13/106H01Q13/16H01Q21/24H01Q21/28
    • An antenna arrangement comprises a ground conductor (302) incorporating two slots (304a,304b) having an electrically small separation and means (308a,308b) for coupling a transceiver to each slot to enable the ground conductor to function as two substantially independent antennas. Such a device enables efficient diversity performance to be obtained from a significantly smaller volume than known antenna arrangements. In one embodiment the ground conductor, slots and transceiver are integrated in a module (206) adapted for connection to a further ground conductor which provides the majority of the antenna area. The further conductor would typically be a printed circuit board ground plane or mobile phone handset. Matching and broadbanding circuitry may conveniently be incorporated in the module. By varying the area of the connections between the module and the further ground conductor, the resonant frequencies of the slots can be modified.
    • 天线装置包括接地导体(302),该接地导体(302)包括具有电小间隔的两个槽(304a,304b)和用于将收发器耦合到每个槽的装置(308a,308b),以使接地导体能够作为二 基本独立的天线。 这样的器件能够从比已知的天线布置明显更小的体积获得有效的分集性能。 在一个实施例中,接地导体,槽和收发器集成在适于连接到提供天线面积的大部分的另一接地导体的模块(206)中。 另外的导体通常是印刷电路板的接地层或移动电话手机。 匹配和宽带布线电路可以方便地并入模块中。 通过改变模块和另外的接地导体之间的连接面积,可以改变槽的谐振频率。
    • 7. 发明申请
    • QRinv codes and decoding method
    • QRinv码和解码方法
    • US20050289438A1
    • 2005-12-29
    • US11168265
    • 2005-06-28
    • Peter Massey
    • Peter Massey
    • H03M13/00H03M13/03H03M13/29
    • H03M13/296
    • The invention is a novel class of error-correcting codes as well as a method of decoding them. The binary codes can have relatively large minimum distances even for small codeword lengths. The codes are based on an internal structure such that an unusual type of trellis is the basis for an iterative method of decoding which has low-complexity. The unusual trellis has more than one-state, may have parallel branches, and trellis-sections are labeled by duplications of both information symbols and parity symbols. The new method of decoding is superior to the prior art method known as belief propagation for short to moderate codeword lengths.
    • 本发明是一类新颖的纠错码以及解码方法。 即使对于小的码字长度,二进制码也可以具有相对较大的最小距离。 代码基于内部结构,使得不寻常类型的网格是具有低复杂度的迭代解码方法的基础。 异常网格具有多于一个状态,可以具有并行分支,并且网格部分由信息符号和奇偶校验符号的重复标记。 新的解码方法优于现有技术的称为短到中等码字长度的置信传播的方法。