Abstract
Transmitted reference pulse cluster (TRPC) signaling structure was proposed to overcome long wideband delay line requirement of conventional transmitted reference (TR-) ultra-wideband (UWB) system. In uncoded cases, it has been demonstrated that the bit error rate (BER) performance of TRPC-UWB system significantly outperforms the conventional TR-UWB system, BER is the number of error bits divided by the total number of transmitted bits during a study interval. In order to further improve the BER performance of TRPC-UWB system, different forward error correction (FEC) codes were investigated, such as Reed-Solomon (RS) codes, convolutional codes, low density parity check (LDPC) codes and polar codes. This paper introduces the cyclic redundancy check (CRC-) to polar coded TRPC-UWB system to improve the coding gain of polar codes in the TRPC-UWB system. The effect of different CRC codes on the performance of CRC-polar coded TRPC-UWB system is evaluated and the performance comparisons between CRC-polar codes and other FEC codes are provided. Simulation results show that appropriate selection of decoding paths and CRC bits can effectively improve the BER performance of TRPC-UWB system.
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