Abstract
Transmitted reference pulse cluster (TRPC) signaling has been recently proposed for ultra-wideband (UWB) Communications to address the implementation constraint posed by UWB delay lines. In the uncoded case, it has been demonstrated that the TRPC significantly outperforms the conventional transmitted reference (TR) signaling. In order to improve the performance of TRPC systems for different applications, coded TRPC systems have been developed by employing several forward error correction (FEC) codes, such as Reed-Solomon, convolutional codes and LDPC codes. In this paper, polar codes are introduced to the TRPC-UWB communication system. Gaussian approximation method is used to construct polar codes by measuring the reliability of polarized subchannels. We evaluate the performance of polar codes for TRPC-UWB systems in the IEEE 802.15.4a channels. Simulation results show that, in terms of the bit error rate (BER) performance and complexity, with appropriate parameter settings, the polar code can obtain higher coding gain over the existing FEC codes used in the TRPC system.
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