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Both to sporadic as well as on continuous data communication aligned ofdm - transmission method for a wlan

机译:既适用于零星通信又适用于连续数据通信的dm-无线局域网的传输方法

摘要

Packet-oriented transmission method for a wlan, in the case of the ofdm - symbols on a plurality of subcarriers are transmitted and per sub-carrier a data signal or a pilot signal is transmitted.– a packet at the framework - synchronization of a preamble (4, 7) with n preamble - segments, and each of the n preamble - segments, in each case is based on a plurality of samples and the n preamble - segments of the product of a for all n preamble - segments fixed output segment (b) with an n elements long not - constant multiplication sequence, wherein a preamble - segment of the n preamble - segments of a multiplication of the fixed output segment (b) with a single element of the n elements long not - constant multiplication sequence.– a plurality of temporally successively transmitted ofdm - symbols, each with a time index in each case at least a pilot signal (11) for channel estimation and the pilot signal be transmitted in each case, the at least one subcarrier of the time index of the respective ofdm - symbol is dependent on.
机译:无线局域网的面向分组的传输方法,在ofdm的情况下-传输多个子载波上的符号,并且每个子载波传输数据信号或导频信号。–框架下的分组-前同步码的同步(4、7)分别具有n个前导码段和n个前导码段中的每一个均基于多个样本,并且n个前导码段对所有n个前导码段乘积的乘积段都是固定输出段(b)具有n个元素长的非恒定乘法序列,其中,前导-n个前导的片段-固定输出段的乘积段(b)与n个元素长的非恒定乘法序列的乘积。–多个时间顺序传输的dm符号,每个符号分别带有时间索引,至少每个用于信道估计的导频信号(11)和导频信号分别传输,至少一个时间索引的子载波的各自的ofdm-符号取决于。

著录项

  • 公开/公告号DE102004052899B4

    专利类型

  • 公开/公告日2011-08-18

    原文格式PDF

  • 申请/专利权人

    申请/专利号DE20041052899

  • 发明设计人

    申请日2004-11-02

  • 分类号H04J11/00;H04L12/56;H04L12/28;H04L27/00;

  • 国家 DE

  • 入库时间 2022-08-21 17:48:04

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