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首页> 外文会议>Asilomar Conference on Signals, Systems, and Computers >Robust Frame Boundary Synchronization for In-Band Full-Duplex OFDM System
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Robust Frame Boundary Synchronization for In-Band Full-Duplex OFDM System

机译：带内部全双工OFDM系统的鲁棒帧边界同步

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This paper presents a robust frame boundary synchronization technique for In-Band Full-Duplex (IBFD) communication systems, that employ Orthogonal Frequency Division Multiplexing (OFDM). First, we describe the system model of a wireless link consisting of a full-duplex (FD) base station, that is receiving a signal from a remote station while transmitting simultaneously on the same frequency. Received signal impairments such as carrier frequency offset (CFO), sampling time offset (STO), channel response and channel delay are modeled. We then identify two common scenarios that can occur and cause the correlation base frame edge detection to fail. We present a novel and robust frame start detection technique taking into account STO, CFO and channel estimation effects. Performance of the proposed technique is quantified using a simulation framework and confirmed using experimental measurements. The proposed robust synchronization method demonstrated successful frame edge detection with up to 65 ppm carrier frequency offset versus a loss of 40% of the frames without using the proposed method.
机译：本文介绍了用于带内全双工（IBFD）通信系统的鲁棒帧边界同步技术，其采用正交频分复用（OFDM）。首先，我们描述由全双工（FD）基站组成的无线链路的系统模型，其在同时发送来自远程站的来自远程站的信号。建模接收的信号损伤，例如载波频率偏移（CFO），采样时间偏移（STO），信道响应和信道延迟。然后，我们确定两个可以发生的常见场景，并导致相关基帧边缘检测失败。我们介绍了一种新颖且强大的帧开始检测技术，考虑到STO，CFO和信道估计效果。使用模拟框架量化所提出的技术的性能并使用实验测量确认。所提出的鲁棒同步方法证明了成功的帧边缘检测，最多65ppm载波频率偏移与帧的损耗为40 ％而不使用所提出的方法。

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