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    • 3. 发明申请
    • SIGNALING OF REDUNDANCY VERSION AND NEW DATA INDICATION
    • 冗余版本和新数据指示信号
    • US20090276675A1
    • 2009-11-05
    • US12433478
    • 2009-04-30
    • Jussi OjalaFrank FrederiksenAsbjorn GrovlenLars LindhEsa Malkamaki
    • Jussi OjalaFrank FrederiksenAsbjorn GrovlenLars LindhEsa Malkamaki
    • H04L1/18G06F11/14G06F11/10H04W72/04
    • H04L1/1819
    • Example methods and apparatus for communicating encoded data blocks in wireless communication systems are disclosed. In one example embodiment, a method for receiving an encoded data block includes receiving a data transmission including a subset of a plurality of bits of the encoded data block. The example method also includes receiving a first control signal indicating whether the received subset is a first received subset associated with the encoded data block or whether one or more subsets were previously received for the encoded data block. The example method also further includes receiving a second control signal, the second control signal having a first state and a second state. In the example method, the first state of the second control signal indicates that the received subset includes a first predefined subset of the plurality of bits of the encoded data block and the second state of the second control signal indicates that the received subset includes one of a plurality of other predefined subsets of the plurality of bits of the encoded data block. In this example embodiment, determining which of the other predefined subsets is included in the received subset is based on one or more system parameters of the wireless communication system. Further in this example, the state of the second control signal is selectable between its first state and its second state on a data transmission by data transmission basis, regardless of whether or not one or more subsets of the encoded data block were previously received.
    • 公开了用于在无线通信系统中传送编码数据块的示例性方法和装置。 在一个示例实施例中,用于接收编码数据块的方法包括接收包括编码数据块的多个比特的子集的数据传输。 示例性方法还包括接收指示所接收的子集是否是与编码数据块相关联的第一接收子集的第一控制信号,或者是否先前为编码数据块接收到一个或多个子集。 该示例方法还包括接收第二控制信号,第二控制信号具有第一状态和第二状态。 在示例性方法中,第二控制信号的第一状态指示接收到的子集包括编码数据块的多个比特的第一预定义子集,第二控制信号的第二状态指示接收到的子集包括 编码数据块的多个比特的多个其它预定义子集。 在该示例实施例中,确定在接收的子集中包括其他预定义子集中的哪一个是基于无线通信系统的一个或多个系统参数。 此外,在该示例中,无论先前接收到编码数据块的一个或多个子集,无论数据传输为基础,第二控制信号的状态都可以在数据传输之后的第一状态和第二状态之间进行选择。
    • 8. 发明授权
    • Phase noise canceling OFDM receiver
    • 相位噪声消除OFDM接收机
    • US07733993B2
    • 2010-06-08
    • US11251515
    • 2005-10-14
    • Lars Lindh
    • Lars Lindh
    • H03D1/04
    • H04L27/2657H04L27/0014H04L27/2679H04L2027/0032H04L2027/0055H04L2027/0067
    • A receiver includes, in series, at least one receive antenna, a buffer, and arithmetic logic block, a symbol detector, and a phase noise estimator. A further feedback loop couples an output of the phase noise estimator to an input of the arithmetic logic block for providing an estimate of phase noise. The buffer is for storing the received signal. The arithmetic logic block, such as a multiplier, is for removing the estimate of phase noise, received via the feedback loop, from the buffered signal. The symbol detector is for estimating a symbol from the output of the arithmetic logic block. The phase noise estimator estimates phase noise from two inputs received from the symbol detector: the estimated symbol and the remainder signal. Preferably, the phase noise estimator performs an IFFT on these two inputs and Kalman filters the result. Iteratively estimating the phase noise improves precision substantially.
    • 接收器包括串联的至少一个接收天线,缓冲器和算术逻辑块,符号检测器和相位噪声估计器。 另一个反馈环路将相位噪声估计器的输出耦合到算术逻辑块的输入端,以提供相位噪声的估计。 缓冲器用于存储接收到的信号。 诸如乘法器的算术逻辑块用于从缓冲信号去除经由反馈回路接收的相位噪声的估计。 符号检测器用于从算术逻辑块的输出估计符号。 相位噪声估计器估计从符号检测器接收的两个输入的相位噪声:估计符号和余数信号。 优选地,相位噪声估计器对这两个输入执行IFFT,并且对该结果进行卡尔曼滤波。 迭代估计相位噪声大大提高了精度。
    • 9. 发明申请
    • Phase noise canceling OFDM receiver
    • 相位噪声消除OFDM接收机
    • US20070086533A1
    • 2007-04-19
    • US11251515
    • 2005-10-14
    • Lars Lindh
    • Lars Lindh
    • H04K1/10
    • H04L27/2657H04L27/0014H04L27/2679H04L2027/0032H04L2027/0055H04L2027/0067
    • A receiver includes, in series, at least one receive antenna, a buffer, and arithmetic logic block, a symbol detector, and a phase noise estimator. A further feedback loop couples an output of the phase noise estimator to an input of the arithmetic logic block for providing an estimate of phase noise. The buffer is for storing the received signal. The arithmetic logic block, such as a multiplier, is for removing the estimate of phase noise, received via the feedback loop, from the buffered signal. The symbol detector is for estimating a symbol from the output of the arithmetic logic block. The phase noise estimator estimates phase noise from two inputs received from the symbol detector: the estimated symbol and the remainder signal. Preferably, the phase noise estimator performs an IFFT on these two inputs and Kalman filters the result. Iteratively estimating the phase noise improves precision substantially.
    • 接收器包括串联的至少一个接收天线,缓冲器和算术逻辑块,符号检测器和相位噪声估计器。 另一个反馈环路将相位噪声估计器的输出耦合到算术逻辑块的输入端,以提供相位噪声的估计。 缓冲器用于存储接收到的信号。 诸如乘法器的算术逻辑块用于从缓冲信号去除经由反馈回路接收的相位噪声的估计。 符号检测器用于从算术逻辑块的输出估计符号。 相位噪声估计器估计从符号检测器接收的两个输入的相位噪声:估计符号和余数信号。 优选地,相位噪声估计器对这两个输入执行IFFT,并且对该结果进行卡尔曼滤波。 迭代估计相位噪声大大提高了精度。