Results 61 to 70 of about 797 (174)
مجلة النهرين للعلوم الهندسية, 2017 This paper presents an investigation to the performance of quantized direct-sequence spread spectrum system (DSSS) in mobile wireless communications systems. To obtain a real world value (RWV), the DSSS received signal is quantized to different levels of
Riyadh Jabbar Soudani
doaj
Physical Layer Watermarking of Direct Sequence Spread Spectrum Signals
, 2013 Physical layer security mechanisms have drawn increasing research interest recently along with the development of software defined radio (SDR) techniques.
Yu, Chansu +9 more
core +1 more source
Applied Vegetation Science, Volume 28, Issue 1, January/March 2025.Ericaceous dwarf shrubs are foundation species in the boreal biome, and predicting their response to changes in forest structure is key for comparing the ecosystem effects of different forest management alternatives. We developed predictive models for Calluna vulgaris, Vaccinium myrtillus, and V.
Per‐Ola Hedwall +4 more
wiley +1 more source
International Journal of Intelligent Systems, Volume 2025, Issue 1, 2025.The Internet of Things (IoT) has become a transformative force across various sectors, including healthcare, offering new opportunities for automation and enhanced service delivery. The evolving architecture of the IoT presents significant challenges in establishing a comprehensive cyber‐physical framework. This paper reviews recent advancements in IoT‐
Attiq Ur Rehman +11 more
wiley +1 more source
A Survey of Security Mechanisms with Direct Sequence Spread Spectrum Signals
, 2013 Security has long been a challenging problem in wireless networks mainly due to its broadcast nature of the communication. It opens up simple and yet effective measures to thwart useful communications between legitimate radios.
Yu, Chansu +3 more
core +1 more source
IET Power Electronics, Volume 17, Issue 16, Page 3093-3108, 16 December 2024.A method is proposed to transfer the chaotic signals obtained from a memristive Chua circuit into a suitable encryption signal for data encryption in power and data synchronous transmission using switched mode power supplies. Using statistics theory, an algorithm is proposed for selecting the optimized chaotic memristive Chua circuit signal for the ...
Chiemeka L. Maxwell +5 more
wiley +1 more source
Multiple‐nodes based cooperative jamming detection for reactive follower jamming in ISAC
Electronics Letters, Volume 60, Issue 18, September 2024.Accurate jamming detection is a prerequisite and important support for efficient anti‐jamming communication in integrated sensing and communications. This letter proposes a multiple‐nodes based cooperative jamming detection scheme for accurately detecting the reactive follower jamming.
Cheng Li +5 more
wiley +1 more source
Direct sequence spread spectrum in communication system
, 2004 In today 's advanced society, the ever increasing demand of wireless equipment such as mobile phones, cordless phones, wireless local area networks and future wireless appliances, cause two major issues to arise - inference amongst equipment and the lack
Thach, Ngoc Hoa
core
Advanced Intelligent Systems, Volume 6, Issue 8, August 2024.This article reviews intelligent communication anti‐jamming evolution from adaptive methods to game theory and machine learning advancements. The concept of intelligent anti‐jamming is defined, and a system architecture is proposed. It highlights challenges, research findings, and future directions, aiming to provide a comprehensive understanding and ...
Quan Zhou, Yingtao Niu
wiley +1 more source
Al-Khawarizmi Engineering Journal, 2017 Zigbee is considered to be one of the wireless sensor networks (WSNs) designed for short-range communications applications. It follows IEEE 802.15.4 specifications that aim to design networks with lowest cost and power consuming in addition to the ...
Ekhlas K. Hamza, Russul H. Hadi
doaj +1 more source