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1. 发明授权

US07602863B2 Method and apparatus for providing iterative timing recovery 有权
标题翻译：提供迭代定时恢复的方法和装置
公开(公告)号：US07602863B2
公开(公告)日：2009-10-13
申请号：US10950312
申请日：2004-09-24
申请人： Piya Kovintavewat , John Robert Barry , Mehmet Fatih Erden , Erozan Mehmet Kurtas
发明人： Piya Kovintavewat , John Robert Barry , Mehmet Fatih Erden , Erozan Mehmet Kurtas
IPC分类号： H04L27/06
CPC分类号： H04L25/03337 , H04L7/0054
摘要： A method includes the steps of receiving a signal indicative of data bits, and performing per survivor processing-iterative timing recovery (PSP-ITR) on the received signal to generate probabilities of the data bits. To perform PSP-ITR on the received signal, the signal can be processed using a per survivor processing-soft decision algorithm (PSP-SDA) which jointly performs timing recovery and equalization in accordance with embodiments of the present invention. The soft decision algorithm (SDA) can be, for example, a Bahl, Cocke, Jelinek, and Raviv (BCJR) algorithm or a Soft Output Viterbi Algorithm (SOVA) modified in accordance with the concepts of the present invention such that it is configured to implement per survivor processing (PSP) to jointly perform timing recovery and equalization.
摘要翻译：一种方法包括以下步骤：接收指示数据比特的信号，并对接收到的信号执行每个幸存者处理 - 迭代定时恢复（PSP-ITR），以产生数据比特的概率。为了对接收的信号执行PSP-ITR，可以使用根据本发明的实施例的共同执行定时恢复和均衡的每个幸存者处理软判决算法（PSP-SDA）来处理信号。软判决算法（SDA）可以是例如根据本发明的概念修改的Bahl，Cocke，Jelinek和Raviv（BCJR）算法或软输出维特比算法（SOVA），使得其被配置实施每个幸存者处理（PSP）来共同执行定时恢复和均衡。

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