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- W1943323222 abstract "Multi-band orthogonal frequency division multiplexing (MB-OFDM) has been considered as a prominent solution for ultra wideband (UWB) technology supporting high speed, short range and point-to-point wireless communications. In this paper, we design quasi-cyclic (QC) low-density parity-check (LDPC) codes that are modified from implementation-oriented (IO) LDPC codes and examine their capability and suitability for MB-OFDM systems in terms of performance and implementation complexity. We evaluate the performance of QC-LDPC codes over MB-OFDM systems for four different data rates. By simulations, it is shown that the transmission distance of QC-LDPC coded MB-OFDM systems can increase by 29%-73% compared with that of convolutional codes. In addition, it is shown that QC-LDPC codes can be realized by a rate-configurable encoder and decoder." @default.
- W1943323222 created "2016-06-24" @default.
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- W1943323222 date "2005-07-27" @default.
- W1943323222 modified "2023-09-25" @default.
- W1943323222 title "Quasi-Cyclic Low-Density Parity-Check Coded Multiband-OFDM UWB Systems" @default.
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- W1943323222 doi "https://doi.org/10.1109/iscas.2005.1464525" @default.
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