Results 61 to 70 of about 2,131,184 (147)
Quantum–Classical Optimization for Efficient Genomic Data Transmission
MathematicsThis paper presents a hybrid computational architecture for efficient and robust digital transmission inspired by helical genetic structures. The proposed system integrates advanced modulation schemes, such as multi-pulse-position modulation (MPPM), high-
Ismael Soto +2 more
doaj +1 more source
Chirp spread-spectrum based digital communication under non Gaussian noise channels
, 2016 Bu tezin amacı Gauss olmayan gürültülü kanallar altında güvenli sayısal haberleşmeler kurmak için chirp yaygın bant spektrumun özelliklerini belirlemektir.
ZAFER KARAÇOKAK
core
A New Approach to Spread-spectrum OFDM
, 2018 Orthogonal frequency division multiplexing (OFDM) systems are reviewed and the Shannon bound is dis- cussed as a criterion of efficient spectrum use and a design criterion. The problem of efficient sharing of spectrum by wireless communication systems is
Shahab Abdulla +5 more
core +1 more source
, 2023 In this contribution, we propose a reliable, long-range, communication system based on chirp spread spectrum (CSS) techniques for aerial ultrasonic channels, to be used for user identification in ultrasonic indoor localization systems.
Fabian Höflinger +21 more
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Evaluation of Selected Modulation Techniques in Underwater Multipath Channel
IEEE AccessThere is a growing interest in the use of Autonomous Underwater Vehicles (AUVs) and Underwater Sensor Networks (USNs) for scientific, military, and industrial applications, leading to the development of wireless underwater communications.
Agnieszka Czapiewska +4 more
doaj +1 more source
Chirp Spread Spectrum-based Waveform Design and Detection Mechanisms for LPWAN-based IoT -- A Survey
, 2023 LoRa is a widely adopted method of utilizing chirp spread spectrum (CSS) techniques at the physical (PHY) layer to facilitate low-power wide-area network (LPWAN) connectivity.
Shubair, Raed +3 more
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, 1999 In this paper we present a computationally efficient method of evaluating the probability of multiple correct packet reception in coded synchronous frequency-hopped spread-spectrum (FHSS) networks.
Lim, D., Hanzo, L.
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Make or Break? How LoRaWAN Duty Cycle Impacts Performance in Multihop Networks
IEEE AccessLoRaWAN is a widely adopted protocol for Internet of Things applications with energy constraints and large coverage area demands. The protocol standardization defines a star-of-stars topology, where end-devices send their packets directly to a gateway ...
Jeferson Rodrigues Cotrim +1 more
doaj +1 more source
Chirp Spread Spectrum as a Modulation Technique for Long Range Communication
, 2016 Long range low power is a family of technologies promising to connect thousands of sensors to the future internet of things. Within this family of possible technology choices, two different branches have emerged: the standards based on spreaded wideband ...
Brecht Reynders +3 more
core +1 more source
, 2002 —In this paper we propose two novel low-complexity, low-delay erasure insertion schemes, namely, the output threshold test (OTT) and joint maximum output and ratio threshold Test (MO-RTT). The employment of the OTT and MO-RTT is beneficial in the context
Yang, Lie-Liang, Hanzo, Lajos
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