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Theoretical design and FPGA implementation of the baseband transceiver for the HD Radio FM system

机译：HD无线电源FM系统的理论设计和FPGA实现基带收发器

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The advance of wireless communications brings in various schemes of wireless digital communication technology. In the field of digital radio broadcasting, several specifications have been proposed, such as Eureka-147 and DRM (Digital Radio Mondiale). These systems require new spectrum assignment, which is a huge cost due to depletion of the available spectrum. Therefore, the IBOC (In-Band On-Channel) system has been developed to work in the same band with the conventional analog radio and broadcasting digital signal simultaneously. In this paper, the function and algorithm of the HD Radio FM digital radio broadcasting system are discussed. Content includes data format allocation, constellation mapping, and OFDM modulation of the transmitter; timing synchronization, OFDM demodulation, integer and fraction carrier frequency (ICFO & FCFO) estimation, and channel estimation of the receiver. When implementing the system on the FPGA based hardware platform, both the theoretical and the practical aspects have been considered to reach the available hardware resource.
机译：无线通信的进步带来的无线数字通信技术的各种方案。在数字无线电广播领域，几种规格已经被提出，如尤里卡147和DRM（数字调幅广播）。这些系统需要新的频谱分配，这是一个巨大的成本，由于可用频谱耗尽。因此，IBOC（带内同频）系统已被开发，以工作在同一频带中以常规的模拟无线电及同时广播数字信号。在本文中，HD收音机FM数字无线电广播系统的功能和算法进行了讨论。内容包括数据格式分配，星座映射，和发射机的OFDM调制;定时同步，OFDM解调，整数和小数载波频率（ICFO＆FCFO）估计，并且接收器的信道估计。当实施基于FPGA的硬件平台上的系统，无论是理论和实践方面都被认为达到了可用的硬件资源。

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