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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Bit-Loaded PAPR Reduction for High-Data-Rate Through-Metal Control Network Applications
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Bit-Loaded PAPR Reduction for High-Data-Rate Through-Metal Control Network Applications

机译：高数据速率直通金属控制网络应用中的位负载PAPR降低

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摘要

Data transmission through metallic structures is commonly required in industrial control applications. In a number of these applications, mechanically penetrating the structure to pass cables and establish a wired communication link is either impossible or undesirable. Examples of such structures include metal bulkheads, pressure vessels, or pipelines. Ultrasonic signaling has been proposed as a solution for through-metal data transfer without penetrating the structure. The reverberant nature of the through-metal channel, however, can lead to significant intersymbol interference, limiting the data rate achievable by conventional single-carrier communication techniques. In this paper, we describe a through-metal communication technique that exploits the slow-varying nature of the ultrasonic channel to implement an orthogonal-frequency-division-multiplexing-based rate-adaptive peak-to-average power ratio (PAPR) reduction algorithm. Measurements of the proposed adaptive algorithm have demonstrated transmitted throughput rates of up to 14 Mbps while reducing PAPR by up to 3 dB and maintaining a bit error rate of $10^{ - 5}$ at average transmit powers of roughly 6 dBm. This enhancement provides the required throughput and error rate to support high-rate network applications in otherwise data-limited environments.
机译：在工业控制应用中，通常需要通过金属结构进行数据传输。在许多这些应用中，机械地穿透结构以通过电缆并建立有线通信链路是不可能的或不希望的。这种结构的例子包括金属隔板，压力容器或管道。超声波信号已经被提出作为贯穿金属的数据传输而不穿透结构的解决方案。但是，金属穿透通道的混响特性可能导致严重的符号间干扰，从而限制了常规单载波通信技术可达到的数据速率。在本文中，我们描述了一种贯穿金属的通信技术，该技术利用超声通道的慢变特性来实现基于正交频分复用的速率自适应峰均功率比（PAPR）降低算法。所提出的自适应算法的测量已经证明了高达14 Mbps的传输吞吐速率，同时将PAPR降低了3 dB，并且在大约6 dBm的平均发射功率下保持了10 ^ {-5} $的误码率。此增强功能提供了所需的吞吐量和错误率，以在其他数据受限的环境中支持高速网络应用。

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