33   Artículos

 
en línea
Zhi Quan, Hailong Zhang, Jiyu Luo and Haijun Sun    
Signal modulation recognition is often reliant on clustering algorithms. The fuzzy c-means (FCM) algorithm, which is commonly used for such tasks, often converges to local optima. This presents a challenge, particularly in low-signal-to-noise-ratio (SNR)... ver más
Revista: Information    Formato: Electrónico

 
en línea
Ziyi Wang, Yichen Wang and Rui Chen    
Power Line Communication (PLC) serves as a medium for communication over power lines, utilizing the existing power grid for information transmission. It offers a low-cost, highly scalable signal transmission method and has the potential to become the pre... ver más
Revista: Information    Formato: Electrónico

 
en línea
Francisco R. Castillo-Soria, J. Alberto Del Puerto-Flores, Cesar A. Azurdia-Meza, Vinoth Babu Kumaravelu, Jorge Simón and Carlos A. Gutierrez    
This paper presents two precoding techniques for a reconfigurable intelligent surface (RIS)-assisted multi-user (MU) multiple-input multiple-output (MIMO) double quadrature spatial modulation (DQSM) downlink transmission system. Instead of being applied ... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Erfan Mozaffariahrar, Fabrice Theoleyre and Michael Menth    
Wi-Fi is a popular wireless technology and is continuously extended to keep pace with requirements such as high throughput, real-time communication, dense networks, or resource and energy efficiency. The IEEE 802.11ax standard, also known as Wi-Fi 6, pro... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
Qingze Yan, Yixin Zhang, Lin Yu and Yun Zhu    
In this paper, the optimization of perfect optical vortex (POV) parameter for underwater wireless optical communication link under M-QAM by average bit-error rate (ABER) and the effect of seawtaer turbulence on link information capacity are investigated.... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Xinhe Zhang, Wenbo Lv and Haoran Tan    
Generalized spatial modulation (GSM) technology is an extension of spatial modulation (SM) technology, and one of its main advantages is to further improve band efficiency. However, the multiple active antennas for transmission also brings the demodulati... ver más
Revista: Future Internet    Formato: Electrónico

 
en línea
João Pedro Pavia, Vasco Velez, Bernardo Brogueira, Nuno Souto and Américo Correia    
The design of multiple input multiple output (MIMO) schemes capable of achieving both high spectral and energy efficiency constitutes a challenge for next-generation wireless networks. MIMO schemes based on generalized spatial modulations (GSM) have been... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Yang Yue, Qiang Wang and Jon Anderson    
In this article, we review the latest progress on data center interconnect (DCI). We then discuss different perspectives on the 400G pluggable module, including form factor, architecture, digital signal processing (DSP), and module power consumption, fol... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Izz Abboud,Muaayed Al-Rawi,Nasir Al-Awad     Pág. 30 - 34
This paper studies the performance of coded orthogonal frequency division multiplexing system using two modulation techniques, quadrature phase shift keying (QPSK) and M-ary quadrature amplitude modulation(M-QAM) with M=8, 16, 32, and 64. The convolution... ver más
Revista: International Journal of Open Information Technologies    Formato: Electrónico

 
en línea
Rana M. Aly, Amira Zaki, Waleed K. Badawi and Moustafa H. Aly    
For 5G and beyond cellular communication systems, new coding and modulation techniques are suggested to reach the requirements of high data rate and quality of service. In this paper, a new space-time coded orthogonal transform division multiplexing (STC... ver más
Revista: Applied Sciences    Formato: Electrónico

« Anterior     Página: 1 de 2     Siguiente »