Error correction by parity check in constant amplitude multi-code CDMA

Yong Cheol Kim

doi:10.1117/12.664323

20 February 2006 Error correction by parity check in constant amplitude multi-code CDMA

Yong Cheol Kim

Proceedings Volume 6041, ICMIT 2005: Information Systems and Signal Processing; 604115 (2006) https://doi.org/10.1117/12.664323
Event: ICMIT 2005: Merchatronics, MEMS, and Smart Materials, 2005, Chongqing, China

Abstract

We present a constant amplitude multi-code (CAMC) CDMA in a recursive structure which has a built-in error correction capability. The PAPR of CAMC is very low since the amplitude has a constant value, which is accomplished at the cost of redundant bits for the precoding in CAMC. We show, however, that redundant bits in CAMC can be reconfigured into parity bits in a single parity check product code (SPCPC). An iterative decoding algorithm is presented which fully utilizes the parity bits of the reconfigured CAMC. Experimental results show that CAMC has a superior performance of error correction than a generic SPCPC.

Citation Download Citation

Yong Cheol Kim "Error correction by parity check in constant amplitude multi-code CDMA", Proc. SPIE 6041, ICMIT 2005: Information Systems and Signal Processing, 604115 (20 February 2006); https://doi.org/10.1117/12.664323

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