Analysis of Simplified Frame Synchronization Scheme for Burst-Mode Multi-Carrier System

Analysis of Simplified Frame Synchronization Scheme for Burst-Mode Multi-Carrier System
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突发模式多载波系统简化帧同步方案分析

DOI:
10.1109/lcomm.2019.2913423
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发表时间:
2019-04
期刊:
IEEE Communications Letters
影响因子:
--
通讯作者:
Li Shuo
Li Shuo
中科院分区:
其他
文献类型:
--
作者:
Zhang Haoyuan;Hou Yonghong;Chen Yanfang;Li Shuo

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帧同步是突发模式数字通信接收机的基本功能单元之一。在许多突发通信系统中,前导码被放置在信号突发的开始处,用于同步和信道估计。使用互相关检测器来计算本地前导序列与接收到的前导序列之间的相关性是常见的同步方法。简化的互相关检测器将每个检测到的样本量化为1比特,在硬件实现时可以大大减少芯片资源的消耗。本文对一种输入为多载波调制信号的简化互相关检测器进行了性能分析。给出了相关长度、判决门限与虚警概率和漏检概率之间的关系。通过系统仿真和数值计算验证了该检测器的正确性。
Frame synchronization is one of the basic function units in a burst-mode digital communication receiver. In a lot of burst communication systems, a preamble is placed at the start of a signal burst for synchronization and channel estimation. Using a cross-correlation detector to calculate the correlation between the local preamble sequence and the received preamble sequence is a common synchronization method. Simplified cross-correlation-detector which quantizes each detected sample into 1 bit can dramatically reduce the consumption of the chip resource when implemented in hardware. In this letter, the performance analysis for a simplified cross-correlation-detector whose input is multi-carrier modulated signal is presented. The relationships between correlation length, decision threshold, and the probabilities of false alarm and missing detection are given. The correctness of the detector is validated through system simulations and numerical calculations.
DOI: 10.1109/glocom.2004.1379134
发表时间: 2004-11
期刊: IEEE Global Telecommunications Conference, 2004. GLOBECOM '04.
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