Noise removal techniques for underground communication systems based on matching pursuit

IF 2 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Physical Communication Pub Date : 2025-02-01 DOI:10.1016/j.phycom.2024.102579

Yong Wang , Bangwei Yu , Ying Wang , Liangang Qi , Yang Liu

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引用次数: 0

Abstract

In underground communication systems, continuous mud pulse signals are susceptible to pump noise during transmission, resulting in a high bit error rate (BER). In this paper, a Paradigm Inner Product Orthogonal Matching Pursuit (PIPOMP) algorithm is proposed for the transmission characteristics of continuous waves in the underground. First, the observation vectors of pump noise are obtained by signal cyclic prefix (CP) differencing, and the resulting observation vectors are more accurate than the traditional methods. Second, the columns of the sensing matrix that are most relevant to the observation vectors are selected as candidate support sets by computing the L2 paradigm. Then, the least squares method was used to solve for the estimated value of the pump noise at the previous moment. Finally, the pump noise is reconstructed by combining the correspondence between the time and frequency domains. This paper establishes a complete underground communication system. We simulate the denoising performance of pump noise under stable and unstable conditions and analyze the denoising performance of the PIPOMP algorithm in depth. Simulation results show that the algorithm significantly improves the interference immunity performance and reduces the system BER in the environment where pump noise interferes and the fading is more drastic.

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来源期刊

Physical Communication ENGINEERING, ELECTRICAL & ELECTRONICTELECO-TELECOMMUNICATIONS

CiteScore

5.00

自引率

9.10%

发文量

212

审稿时长

55 days

期刊介绍： PHYCOM: Physical Communication is an international and archival journal providing complete coverage of all topics of interest to those involved in all aspects of physical layer communications. Theoretical research contributions presenting new techniques, concepts or analyses, applied contributions reporting on experiences and experiments, and tutorials are published. Topics of interest include but are not limited to: Physical layer issues of Wireless Local Area Networks, WiMAX, Wireless Mesh Networks, Sensor and Ad Hoc Networks, PCS Systems; Radio access protocols and algorithms for the physical layer; Spread Spectrum Communications; Channel Modeling; Detection and Estimation; Modulation and Coding; Multiplexing and Carrier Techniques; Broadband Wireless Communications; Wireless Personal Communications; Multi-user Detection; Signal Separation and Interference rejection: Multimedia Communications over Wireless; DSP Applications to Wireless Systems; Experimental and Prototype Results; Multiple Access Techniques; Space-time Processing; Synchronization Techniques; Error Control Techniques; Cryptography; Software Radios; Tracking; Resource Allocation and Inference Management; Multi-rate and Multi-carrier Communications; Cross layer Design and Optimization; Propagation and Channel Characterization; OFDM Systems; MIMO Systems; Ultra-Wideband Communications; Cognitive Radio System Architectures; Platforms and Hardware Implementations for the Support of Cognitive, Radio Systems; Cognitive Radio Resource Management and Dynamic Spectrum Sharing.