Results 151 to 160 of about 7,287 (173)

Construction of a Communication Channel with UAVs Based on Direct Sequence Spread Spectrum Signals

2024 Systems of Signals Generating and Processing in the Field of on Board Communications
Unmanned aerial vehicles (UAV) are actively used to solve various problems: monitoring the earth's surface, delivering goods, relaying signals, special military tasks, etc.
D. Chirov, O. Chertova, E. M. Lobov, M. V. Bazylev   +3 more
semanticscholar   +1 more source

Faster Sample Collection Method for Ultrasound Gesture Recognition Modeling Using Direct Sequence Spread Spectrum System

IEEE Sensors Letters
Collecting training samples for ultrasound-based gesture recognition systems incurs a high cost. This letter proposes a method enabling simultaneous sample collection using two devices to address this issue.
W. Tao, Shu-Juan Yin, Xiang-Yu Li, Yi-Fu Zhao   +3 more
semanticscholar   +1 more source

Direct Sequence Spread Spectrum Modulation Method Based on Dual Chaotic Sequence Switching For Covert Underwater Acoustic Communication

2024 IEEE/CIC International Conference on Communications in China (ICCC)
Direct sequence spread spectrum (DSSS) modulation is a commonly used technique for covert underwater acoustic (UWA) communication. However, the traditional DSSS modulation method employs a single pseudorandom sequence, making it vulnerable to be detected
Ruiqing Sun, Kaixun Huang, Yan Wei, Xingbin Tu, Fengzhong Qu   +4 more
semanticscholar   +1 more source

Talkative Power Conversion Strategy Based on Direct Sequence Spread Spectrum with Gold Sequence

2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia)
In DC-DC converter, power and signal dual modulation(PSDM) is often introduced to integrate data modulation and power conversion for talkative power conversion(TPC).
Kaihui Tang, Yue Hui, Ke Chen, Jiande Wu, Xiangning He   +4 more
semanticscholar   +1 more source

A Direct Sequence Spread Spectrum-AFDM Wireless Communications System for High-Mobility Scenarios

2024 IEEE Globecom Workshops (GC Wkshps)
This paper introduces a direct sequence spread spectrum-affine frequency division multiplexing (DSSS-AFDM) wireless communications system for high-mobility and anti-jamming communications scenarios.
Peng Yuan, Tao Luo, Zulin Wang, Qin Huang, Yuanhan Ni   +4 more
semanticscholar   +1 more source

Perfect Pulse Enabled Direct Sequence Spread Spectrum for Enhanced Interference Rejection

IEEE International Conference on RFID
This research presents a new variant of direct sequence spread spectrum - Perfect Pulse Direct Sequence Spread Spectrum (PP-DSSS) - that is a generalized, versatile signaling methodology which enables superior communications in the presence of strong, in-
Michael A. Varner, Gregory D. Durgin
semanticscholar   +1 more source

Wireless Infrastructure uses DSSS (Direct Sequence Spread Spectrum) Mechanism for Smart Government Concept

2022 5th International Conference of Computer and Informatics Engineering (IC2IE), 2022
Muhammad Yusuf Bagus, Fachroni Arbi, Rizki Elisa, Indra Hermawan   +3 more
openaire   +1 more source

Double-differential coded M-ary direct sequence spread spectrum for mobile underwater acoustic communication system

, 2021
Guang Yang, Feng Zhou, Yi Lou, Gang Qiao, N. Ahmed, Yuanan He   +5 more
semanticscholar   +1 more source

LONG RANGE NAVIGATION SYSTEM HAVING DIRECT SEQUENCE SPREAD SPECTRUM (DSSS) RF SIGNAL

2020
MASON GARY W, ADAMS JR WILLIAM C
openaire   +2 more sources

Chaotic direct sequence spread spectrum for secure underwater acoustic communication

Applied Acoustics, 2016
Xiujun Shu
exaly