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首页> 外文期刊>Circuits and Systems I: Regular Papers, IEEE Transactions on >All-Digital Synchronization for SC/OFDM Mode of IEEE 802.15.3c and IEEE 802.11ad
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All-Digital Synchronization for SC/OFDM Mode of IEEE 802.15.3c and IEEE 802.11ad

机译：IEEE 802.15.3c和IEEE 802.11ad的SC / OFDM模式的全数字同步

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摘要

In this paper, a detection and estimation scheme and its architecture design for synchronization in 60 GHz indoor wireless transmission are presented. With the complementary Golay sequence based preamble structure, the proposed synchronization scheme is designed to detect the preamble and symbol boundary, estimate the frequency offset within a unified architecture. For the very high sampling speed at 60 GHz transmission, the architecture is designed as 8-parallelism with feed-forward data path. This architecture supports the single carrier (SC) and orthogonal frequency-division multiplexing (OFDM) transmissions of both IEEE 802.15.3c and IEEE 802.11ad standards. The synchronization module is implemented as a part of a digital baseband receiver for IEEE 802.15.3c. The tolerance of maximum frequency offset is about 114.58 ppm and 171.87 ppm for SC and OFDM mode, respectively. The implementation result shows that it takes about 0.84 of area (equivalent to 307 k gate counts). The power consumption is about 59 mW in SC mode and 96 mW in OFDM (HSI) mode when operating at 1.76 GHz and 2.64 GHz chip rate, respectively.
机译：本文提出了一种用于60 GHz室内无线传输中的同步检测与估计方案及其体系结构设计。利用基于互补Golay序列的前同步码结构，提出的同步方案旨在检测前同步码和符号边界，并在统一架构中估计频率偏移。为了在60 GHz传输时实现极高的采样速度，该架构被设计为具有前馈数据路径的8并行度。此体系结构支持IEEE 802.15.3c和IEEE 802.11ad标准的单载波（SC）和正交频分复用（OFDM）传输。同步模块被实现为IEEE 802.15.3c的数字基带接收器的一部分。对于SC和OFDM模式，最大频率偏移的容差分别约为114.58 ppm和171.87 ppm。实施结果表明，它占用了约0.84的面积（相当于307 k的门数）。当以1.76 GHz和2.64 GHz芯片速率工作时，SC模式下的功耗约为59 mW，而OFDM（HSI）模式下的功耗约为96 mW。

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