Results 61 to 70 of about 2,916 (209)
The article proposes the novel distributed generalized Reed‐Solomon coded differential spatial modulation (DGRSC‐DSM) scheme, where two selection algorithms are developed at the relay to optimize the final code with a better weight enumeration. Based on the specific structure of the GRS codes and the selection mode, the novel Smart‐joint decoding ...
Chen Chen, Fengfan Yang
wiley +1 more source
In order to satisfy the huge communications demands MIMO (Multiple input and Multiple Output) systems is one of the techniques which provide high data rates under the constraints of limited bandwidth and transmit power. Space-Time Block Coding (STBC) is based on MIMO transmission strategy which exploits transmit diversity.
D.P. Chechi, Mehak Mittal
openaire +1 more source
The study integrates dimmable constant weight polar‐coded non‐orthogonal multiple access (CWPC‐NOMA) with orthogonal space‐time block coding (OSTBC) for visible light communication (VLC). The proposed scheme enhances spectral efficiency and reliability while optimizing resource utilization and leveraging transmit diversity.
Oluwaseyi Paul Babalola, Vipin Balyan
wiley +1 more source
With the advancement and widespread implementation of multiple-input multiple-output (MIMO) wireless communication systems over the last decade, space-time block coding (STBC) identification has become a critical task for intelligent radios.
Mohamed Marey, Hala Mostafa
doaj +1 more source
This paper undertakes a review and analysis of advanced channel coding techniques with the aim of their scalability towards B5G/6G networks scenario. A comparative study is presented for channel coding candidates of futuristic networks. Concatenated and derived codes of convolutional, polar, LDPC, Rateless, and Space‐time coding schemes are reviewed ...
Abhilasha Gautam +2 more
wiley +1 more source
PAPR Reduction Performance by Active Constellation Extension for Diversity MIMO-OFDM Systems
The V-BLAST wireless communication architecture, space-time block code (STBC), and space-frequency block code (SFBC) techniques are strong candidates for achieving very high data rates in 4G broadband wireless communications.
Theodoros Tsiligkaridis +1 more
doaj +1 more source
Energy‐efficient physical layer security schemes for low Earth orbit satellite systems
This paper presents four proposals to enhance physical layer security (PLS) in LEO satellite systems. The first utilizes the Alamouti code with artificial noise (AN) for secure downlink transmission. The second employs a reconfigurable intelligent surface (RIS) to introduce interference to eavesdroppers without additional power or receiver operations ...
Satya Chan +4 more
wiley +1 more source
The contribution of European citizen‐led energy initiatives to sustainable development goals
Abstract Energy communities (ECs) are emerging as vital contributors to the United Nations' Sustainable Development Goals, despite being unnoticed. This article is the first to comprehensively discuss and quantify European citizen‐led energy initiatives' contributions to SDGs 7 (ensure access to affordable and clean energy), 9 (fostering industry ...
Valeria Jana Schwanitz +2 more
wiley +1 more source
Abstract Predicting the persistence of species under climate change is an increasingly important objective in ecological research and management. However, biotic and abiotic heterogeneity can drive asynchrony in population responses at small spatial scales, complicating species‐level assessments.
Brian K. Gallagher, Dylan J. Fraser
wiley +1 more source
Performance Improvement for Vehicular Communications Using Alamouti Scheme with High Mobility
The IEEE 802.11p standard is the basic protocol for wireless access in a vehicular environment (WAVE), providing high throughput for multimedia and high quality for vehicular transmissions.
My Abdelkader Youssef, Ahmed Mouhsen
doaj +1 more source

