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Serial Multicode Direct Sequence Spread Spectrum With Applications to Satellite Navigation Pilot Channels

open access: yesIEEE Communications Letters
In this letter we introduce Serial Bicode and Serial Multicode Direct Sequence Spread Spectrum (DSSS) and we extend them to Code Division Multiple Access (CDMA). To each user are assigned two or more spreading codes.
Roberto Garello
semanticscholar   +2 more sources

Perancangan dan Analisa Kinerja Multichannel Audio Data Hiding (Steganography) pada MPEG Surround (MPS) dengan Metode Direct Sequence Spread Spectrum (DSSS) [PDF]

open access: yes, 2020
Studi ini mengimplementasikan sistem Audio Data Hiding (steganografi) menggunakan metode Direct Sequence Spread Spectrum (DSSS) pada MPEG Surround (MPS), sebuah standar pengkodean audio untuk teknologi audio multikanal. Penelitian ini bertujuan untuk merancang dan menguji kinerja DSSS yang digunakan pada MPS.
Micko, Tomas
openaire   +1 more source
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Compressive detection of direct sequence spread spectrum signals

open access: yesElectronics Letters, 2018
In spread spectrum (SS) communications, the input signal is spread over a wider bandwidth to avoid interference or interception. One of the most common SS techniques is direct sequence SS (DSSS).
Michael Marcellin   +2 more
exaly   +2 more sources

Iterative double-differential direct-sequence spread spectrum reception in underwater acoustic channel with time-varying Doppler shifts.

Journal of the Acoustical Society of America, 2023
Conventional double differential phase-shift keying modulation amplifies the phase noise and performs poorly under the time-varying direct-sequence spread-spectrum (DSSS) communication system.
Dajun Sun   +5 more
semanticscholar   +1 more source

Gesture Recognition System Resilient to Interdevice Interference Based on Direct Sequence Spread Spectrum

IEEE Sensors Letters, 2023
Gesture interaction based on ultrasonic radar is an attractive solution for wearable devices. However, interdevice interference will be a realistic problem, when multiple adjacent devices that use this kind of technology are working simultaneously.
Yi-Fu Zhao   +4 more
semanticscholar   +1 more source

Direct Sequence Spread Spectrum-Based PWM Strategy for Harmonic Reduction and Communication [PDF]

open access: yesIEEE Transactions on Power Electronics, 2017
Switched mode power supplies (SMPSs) are essential components in many applications, and electromagnetic interference is an important consideration in the SMPS design.
Zhengyu Lin   +2 more
exaly   +2 more sources

Power and second order cyclic covertness of chip-wise Direct Sequence Spread Spectrum Faster-Than-Nyquist signaling

IEEE Military Communications Conference, 2023
Covert wireless communications arouse great interest for both military and civilian wireless applications. The most commonly used technique to conceal wireless communications is the direct sequence spread spectrum (DSSS) technology, which spreads the ...
Jean-Baptiste Fraisse   +4 more
semanticscholar   +1 more source

Signal Detection and Parameter Estimation of Low SNR Direct Sequence Spread Spectrum Signal

2023 6th International Conference on Communication Engineering and Technology (ICCET), 2023
In order to realize the “ blind ” detection and parameter estimation of direct sequence spread spectrum signals under low signal-to-noise ratio (SNR) conditions, a direct sequence spread spectrum signal denoising algorithm based on wavelet packet-energy ...
Zaichang Wang   +4 more
semanticscholar   +1 more source

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