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- W2911187909 abstract "One challenge of a sensing technique is reducing sensing time while ensuring good effective data rate. In fact, once compressive sensing based on sub-Nyquist sampling is adopted, sensing time can be reduced by saving number of samples. This increases the probability of missed detection which causes collisions with primary service and worsens channel imperfections. In such case erasures occur in addition to errors. In this chapter, the authors propose a new technique to correct erasures while keeping sensing time at a desired level. Based on polar code and low complexity decoding algorithm, the proposed technique exhibits for high code rates better performance in terms of bit error rate (BER) compared to two existing techniques based on other codes, namely low-density parity check (LDPC) and BCH." @default.
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- W2911187909 date "2019-01-01" @default.
- W2911187909 modified "2023-09-23" @default.
- W2911187909 title "Improved Spectrum Sensing Based on Polar Codes for Cognitive Radio Networks" @default.
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- W2911187909 doi "https://doi.org/10.4018/978-1-5225-5354-0.ch013" @default.
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