期刊
IEEE WIRELESS COMMUNICATIONS LETTERS
卷 10, 期 3, 页码 589-593出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LWC.2020.3038931
关键词
Signal to noise ratio; Receivers; Noise reduction; Transmitters; Modulation; Signal detection; Indexes; Molecular communication; molecular communication via diffusion; noise suppression; filters; low complexity
资金
- National Natural Science Foundation of China [62071297, 61971314]
- Shanghai Natural Science Foundation [19ZR1426500]
- Science and Technology Commission of Shanghai Municipality [19510744900]
- Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument [15DZ2252000]
Molecular communication via diffusion (MCvD) is a feasible communication paradigm for nanonetworks, where counting noise is the dominant source of interference. This research introduces a simple and effective noise-suppression filter, the I-filter, which outperforms the common moving average algorithm.
Molecular communication via diffusion (MCvD) is one of the most feasible communication paradigms for nanonetworks, especially for bio-nanonetworks in water-rich biological environments. Noise is an unwanted signal that severely limits the receiver's ability to detect the wanted signal. The dominant noise in MCvD is counting noise, which is much different from traditional communication paradigms. However, noise suppression in MCvD has not been explicitly investigated. Therefore, it is necessary to propose a practical noise-suppression approach to diminish the impact of noise in MCvD. In this letter, we propose a simple but effective noise-suppression filter for MCvD, the I-filter. Moreover, the proposed noise-suppression filter has low computational complexity. Our work shows that the proposed filter performs much better than current noise-suppression approaches, the moving average algorithm, in the state-of-the-art detection schemes in terms of bit error rate (BER) performance in the severe noise scenarios.
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