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    • 1. 发明申请
    • Data detection in communication system
    • 通信系统中的数据检测
    • US20060215738A1
    • 2006-09-28
    • US11376100
    • 2006-03-16
    • Mikko Kokkonen
    • Mikko Kokkonen
    • H04B1/00
    • H04B1/7117
    • A method for detecting symbols is provided in a communication system. Symbols are received simultaneously through multiple spreading code channels. The received symbols are detected by processing one received symbol at a time, calculating reliability metrics recursively from a symbol received through a first spreading code channel for each possibly transmitted symbol by comparing each possibly transmitted symbol with each rake receiver finger adapted to the received symbol at a time, and selecting, based on the reliability metrics, a number of most probable candidate symbols for further processing. The process then calculates reliability metrics from a symbol received through a second spreading code channel using the reliability metrics for the most probable candidates. The method utilizes effectively cross-correlation properties of the spreading codes associated with the spreading code channels.
    • 在通信系统中提供用于检测符号的方法。 通过多个扩展码信道同时接收符号。 通过一次处理一个接收到的符号来检测接收到的符号,通过将每个可能发送的符号与适合于所接收的符号的每个耙式接收器手指进行比较,从对于每个可能发送的符号通过第一扩展码信道接收的符号递归地计算可靠性度量 并且基于可靠性度量来选择用于进一步处理的最可能的候选符号的数量。 然后,该过程使用最可能的候选者的可靠性度量,从通过第二扩展码信道接收的符号计算可靠性度量。 该方法利用与扩展码信道相关联的扩展码的有效互相关特性。
    • 3. 发明授权
    • Performing an acquisition in a receiver
    • 在接收器中执行采集
    • US07421011B2
    • 2008-09-02
    • US10855806
    • 2004-05-27
    • Samuli PietiläMikko Kokkonen
    • Samuli PietiläMikko Kokkonen
    • H04B1/69
    • H04B1/7077H04B1/7087
    • A method for performing an acquisition to a code-modulated spread spectrum signal comprises receiving the transmitted signal, sampling the received signal to form samples, forming at least one reference code corresponding to a code used in the modulation and forming a non-coherent search matrix on the basis of said samples. The non-coherent search matrix comprises elements in at least a first and a second dimension. The first dimension of the non-coherent search matrix represents the same frequency deviation but different code phases of the received signal, and the second dimension of the non-coherent search matrix represents the same code phase but different frequency deviations of the received signal. Each element is addressable in the first dimension by a first index and in the second dimension by a second index.
    • 用于对码调制的扩频信号执行采集的方法包括:接收发射信号,对接收到的信号进行采样以形成采样,形成对应于在调制中使用的码的至少一个参考码,并形成非相干搜索矩阵 在所述样品的基础上。 非相干搜索矩阵包括至少第一和第二维度中的元素。 非相干搜索矩阵的第一维表示相同的频率偏差,但是接收信号的不同码相位,而非相干搜索矩阵的第二维代表相同的码相位,而是接收信号的不同频偏。 每个元素在第一维度中可通过第一索引寻址,而在第二维度中可以通过第二索引来寻址。
    • 4. 发明申请
    • Reduced Complexity Frequency Domain Equalization of Multiple Input Multiple Output Channels
    • 降低多输入多输出通道的复杂度频域均衡
    • US20070253476A1
    • 2007-11-01
    • US11628634
    • 2004-06-18
    • Olav TirkkonenMikko Kokkonen
    • Olav TirkkonenMikko Kokkonen
    • H04L1/06
    • H04L1/06H04L25/0204H04L25/0244H04L25/0248H04L25/03159H04L2025/03375H04L2025/03522
    • A method for equalizing a frequency-selective transmission channel (103) with N inputs and MR outputs is shown, the transmission channel representable in a transformation domain based on N orthogonal sub-carriers, and wherein the transmission characteristics from the MT inputs to the MR outputs for each of the N respective orthogonal sub-carriers are represented by N respective sub-carrier channels (201), the method using (904) equalization filters (301, 302) for at least two of the N sub-carrier channels, wherein at least one set (501) of sub-carrier channels comprising at least two of the N sub-carrier channels is formed (901), wherein for at least one sub-carrier channel, a first-type equalization filter is used that is determined (902) based on a representation of at least one sub-carrier channel, and wherein for at least one sub-carrier channel, a second-type equalization filter is used that is derived (903) at least partially from the first-type equalization filter.
    • 示出了用于使N个输入和M SUB输出的频率选择性传输信道(103)均衡的方法,所述传输信道在基于N个正交子载波的变换域中可表示,并且其中,所述传输 对于N个各个正交子载波中的每一个,从N个各个正交子载波的M SUB输入的M SUB输入的特性由N个各自的子载波信道(201)表示,该方法 对所述N个子载波信道中的至少两个使用(904)均衡滤波器(301,302),其中形成包括所述N个子载波信道中的至少两个的至少一个子载波信道(501)(501) 901),其中对于至少一个子载波信道,使用基于至少一个子载波信道的表示来确定(902)的第一类型均衡滤波器,并且其中对于至少一个子载波信道 ,使用从至少部分地衍生(903)的第二类型均衡滤波器 第一类均衡滤波器。
    • 5. 发明授权
    • Method for determining a boundary of an information element, a system, and an electronic device
    • 用于确定信息元素,系统和电子设备的边界的方法
    • US07110474B2
    • 2006-09-19
    • US10101385
    • 2002-03-15
    • Mikko KokkonenSamuli Pietilä
    • Mikko KokkonenSamuli Pietilä
    • H04L27/14
    • G01S19/24
    • A method for determining a boundary of an information element, in which a repetition coded signal transmitted by satellites is received, which signal is modulated with information elements. A group of symbols forms one information element. A group of reference values are formed on the basis of the received signal. Of these reference values at least one vector is formed wherein the number of the elements corresponds to the number of symbols use in the transmission of the information element. A determination vector is formed on the basis of the at least one vector, whereafter the greatest of the elements of the determination vector is searched. The index of said elements indicates the boundary of the information element.
    • 一种用于确定由卫星发送的重复编码信号的信息元素的边界的方法,该信号由信息元素调制。 一组符号形成一个信息元素。 基于接收信号形成一组参考值。 在这些参考值中,形成至少一个向量,其中元素的数量对应于在信息元素的传输中使用的符号的数量。 基于至少一个向量形成确定向量,之后搜索最大的确定向量的元素。 所述元素的索引指示信息元素的边界。
    • 6. 发明申请
    • Method and receiver for reception of a composite signal
    • 用于接收复合信号的方法和接收器
    • US20050084044A1
    • 2005-04-21
    • US10501049
    • 2002-01-09
    • Mikko Kokkonen
    • Mikko Kokkonen
    • H04B7/08H04L1/02
    • H04B7/0857
    • A receiver for receiving a plurality of signals at the same time, said receiver comprising: a plurality of receiving elements each of which is arranged to receive a composite signal including at least some of said plurality of signals; processing means for providing a estimate of at least two of said plurality of signals, said processing means being arranged to provide an estimate of a first one of said signals and then to provide an estimate of a second one of said signals, wherein said estimate of said second one of said signals takes into account the estimate of the first signal and the estimate of the first signal can be modified in dependence on the estimate of the second signal.
    • 一种用于同时接收多个信号的接收机,所述接收机包括:多个接收元件,每个接收元件被布置成接收包括所述多个信号中的至少一些信号的复合信号; 用于提供所述多个信号中的至少两个信号的估计的处理装置,所述处理装置被布置成提供对所述信号中的第一个的估计,然后提供所述信号中的第二个的估计,其中所述估计 所述信号的第二个信号考虑到第一信号的估计,并且可以根据第二信号的估计来修改第一信号的估计。
    • 8. 再颁专利
    • Method for determining a boundary of an information element, a system, and an electronic device
    • 用于确定信息元素,系统和电子设备的边界的方法
    • USRE42676E1
    • 2011-09-06
    • US11962999
    • 2007-12-21
    • Mikko KokkonenSamuli Pietila
    • Mikko KokkonenSamuli Pietila
    • H04L27/00
    • G01S19/24
    • A method for determining a boundary of an information element, in which a repetition coded signal transmitted by satellites is received, which signal is modulated with information elements. A group of symbols forms one information element. A group of reference values are formed on the basis of the received signal. Of these reference values at least one vector is formed wherein the number of the elements corresponds to the number of symbols use in the transmission of the information element. A determination vector is formed on the basis of the at least one vector, whereafter the greatest of the elements of the determination vector is searched. The index of said elements indicates the boundary of the information element.
    • 一种用于确定由卫星发送的重复编码信号的信息元素的边界的方法,该信号由信息元素调制。 一组符号形成一个信息元素。 基于接收信号形成一组参考值。 在这些参考值中,形成至少一个向量,其中元素的数量对应于在信息元素的传输中使用的符号的数量。 基于至少一个向量形成确定向量,之后搜索最大的确定向量的元素。 所述元素的索引指示信息元素的边界。
    • 10. 发明申请
    • Performing an acquisition in a receiver
    • 在接收器中执行采集
    • US20050265431A1
    • 2005-12-01
    • US10855806
    • 2004-05-27
    • Samuli PietilaMikko Kokkonen
    • Samuli PietilaMikko Kokkonen
    • G01S1/00H04B1/707
    • H04B1/7077H04B1/7087
    • A method for performing an acquisition to a code-modulated spread spectrum signal comprises receiving the transmitted signal, sampling the received signal to form samples, forming at least one reference code corresponding to a code used in the modulation and forming a non-coherent search matrix on the basis of said samples. The non-coherent search matrix comprises elements in at least a first and a second dimension. The first dimension of the non-coherent search matrix represents the same frequency deviation but different code phases of the received signal, and the second dimension of the non-coherent search matrix represents the same code phase but different frequency deviations of the received signal. Each element is addressable in the first dimension by a first index and in the second dimension by a second index.
    • 用于对码调制的扩频信号执行采集的方法包括:接收发射信号,对接收到的信号进行采样以形成采样,形成对应于在调制中使用的码的至少一个参考码,并形成非相干搜索矩阵 在所述样品的基础上。 非相干搜索矩阵包括至少第一和第二维度中的元素。 非相干搜索矩阵的第一维表示相同的频率偏差,但是接收信号的不同码相位,而非相干搜索矩阵的第二维代表相同的码相位,而是接收信号的不同频偏。 每个元素在第一维度中可通过第一索引寻址,而在第二维度中可以通过第二索引来寻址。