公开(公告)号：US20070002975A1

公开(公告)日：2007-01-04

申请号：US11428148

申请日：2006-06-30

Applicant: Jacques MEYER

Inventor： Jacques MEYER

IPC: H04L27/22 ,  H04L27/06

CPC classification number: H04L27/2273 ,  H03D3/00 ,  H04L27/22

Abstract: A process of correction of the spectral inversion for a receiver in a digital communication system: the process allows the reception in the receiver of a training sequence presumably known according to a modulation of type π/2 BPSK or MDP2. The process includes the following steps: Demodulating of the training sequence; Calculating of the differential correlation on a set of N received samples (Rn) and presumably sent (Sn) to generate a result; Using the result to detect the beginning of the frame and to order a spectral inversion in the chain of reception of the aforementioned receiver before launching the detection of the beginning of the frame. A receiver to process automatically the spectral inversion is also described.

Abstract translation: 校正数字通信系统中的接收机的频谱反演的过程：该过程允许在接收机中接收根据类型pi / 2 BPSK或MDP2的调制推测的训练序列。 该过程包括以下步骤：解调训练序列; 计算一组N个接收样本（R SUB n N）上的差分相关性，并推测发送（S N n N）以产生结果; 使用该结果来检测帧的开始，并且在开始检测帧的开始之前，在上述接收机的接收链中订购频谱反演。 还描述了自动处理频谱反演的接收机。