DSSS Signal Detection Based on CNN
Sensors, 2023 With the wide application of direct sequence spread spectrum (DSSS) signals, the comprehensive performance of DSSS communication systems has been continuously improved, making the electronic reconnaissance link in communication countermeasures more ...
Han-Qing Gu +4 more
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Synchronization in DSSS system [PDF]
International Review of Applied Sciences and Engineering, 2020 AbstractDirect sequence spread spectrum (DSSS) communication systems offer huge performance focal points in perspective on their low probability of block, improved performance in multipath fading situations and their capacity to stay away from interference by spreading the signal over a wide bandwidth subsequently conveying the power.
Izz K. Abboud +2 more
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Performance analysis of DSSS- and CSS-based physical layer for IoT transmission over LEO satellites
ETRI Journal, 2022 To determine a suitable waveform for Internet of Things (IoT) transmission over low-Earth orbit (LEO) satellites, this paper reports the results of a performance comparison between chirp spread spectrum (CSS)-based LoRa and direct sequence spread ...
Sooyeob Jung +5 more
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Implementation of artificial intelligence-based decision support systems for antibiotic prescribing in hospitals: a Delphi study [PDF]
Frontiers in Digital HealthIntroductionNumerous initiatives against antimicrobial resistance have been initiated in recent years. Decision support systems (DSSs) based on artificial intelligence (AI) provide new opportunities for automating antibiotic therapy in hospitals.
Pinar Tokgöz +2 more
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A Blind Despreading and Demodulation Method for QPSK-DSSS Signal With Unknown Carrier Offset Based on Matrix Subspace Analysis [PDF]
IEEE Access, 2019 Direct sequence spread spectrum (DSSS) signals are widely used in various military and civilian communication systems. It adopts the pseudorandom (PN) sequence to modulate baseband signal before transmission, leading to some unique and useful properties ...
Zhaoyang Qiu, Hua Peng, Tianyun Li
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Blind Estimation of the PN Sequence of A DSSS Signal Using A Modified Online Unsupervised Learning Machine [PDF]
Sensors, 2019 Direct sequence spread spectrum (DSSS) signals are now widely used in air and underwater acoustic communications. A receiver which does not know the pseudo-random (PN) sequence cannot demodulate the DSSS signal.
Yangjie Wei +3 more
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A Time–Frequency Energy Squeeze Method Based on Estimating the Chip Rate of DSSS Signals [PDF]
SensorsChip rate estimation for direct-sequence spread spectrum (DSSS) signals plays a crucial role in signal detection and interference identification in non-cooperative wireless communication systems. However, accurate chip rate estimation is difficult in low
Hang Zhao +3 more
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Simulador de Entornos DSSS-CDMA
Prisma Tecnológico, 2010 En la actualidad, las técnicas de modulación de espectro expandido proveen una solución ingeniosa ante la saturación del espectro y la creciente necesidad de transmisiones seguras. Es por esto que resulta sumamente útil contar con una herramienta computacional capaz de simular los principales componentes de un sistema de espectro expandido mediante ...
A. W. Thomas
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Examining the validity and reliability of the Arabic translated version of the depression and somatic symptoms scale (A-DSSS) among the Lebanese adults [PDF]
Scientific ReportsThe prevalence of depression is high worldwide, and somatic symptoms are known to be one of the most debilitating aspects of depression. However, clinicians often face challenges in accurately assessing this comorbidity.
Ali Ismail +6 more
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Design of DSSS communication teaching assistant system [PDF]
Journal of Physics: Conference Series, 2020 Abstract Based on LabVIEW, the DSSS communication system under TCP/IP protocol is developed. It uses dual frequency USB wireless network card with a low price to build the wireless communication channel between PCS. The transmitter can generate spread spectrum signals with different time delays of different users’ data which could be ...
M M Li, Dong Li, Lei Tang
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