|
|
|
|
|
Antonios Constantinides, Haris Haralambous, Harris Papadopoulos and Michalis Makrominas
Interference from other users, due to the long-distance propagation of HF signals, causes spectral congestion, which is considered a primary detrimental effect on HF (3?30 MHz) communication systems. More than a year of HF electric field measurements fro...
ver más
|
|
|
|
|
|
|
|
|
|
|
Peberlin Parulian Sitompul, Timbul Manik, Mario Batubara and Bambang Suhandi
We report on the measurements of radio frequency interference (RFI) at Mount Timau, Kupang, Indonesia, which is intended to host a future radio astronomy observatory. These measurements were taken twice in October 2020 and December 2020 to obtain the RFI...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hicham Megnafi
Pág. 217 - 223
Cellular networks are constantly evolving to ensure a better Quality of Service (QoS) and quality of coverage ever more important. The radio cellular systems are based on frequency allocation. In this context, frequency allocation principle consists in c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ishtiaq Ahmad, Sajjad Hussain, Sarmad Nozad Mahmood, Hala Mostafa, Ahmed Alkhayyat, Mohamed Marey, Ali Hashim Abbas and Zainab Abdulateef Rashed
The co-channel interference for mobile users (MUs) of a public safety network (PSN) in the co-existence of heterogeneous networks such as unmanned aerial vehicles (UAVs) and LTE-based railway networks (LRNs) needs a thorough investigation, where UAVs are...
ver más
|
|
|
|
|
|
|
|
|
|
|
Saulius Rudys, Andrius Laucys, Dainius Udris, Raimondas Pomarnacki and Domantas Brucas
Some models of marine radars are light-weight enough and thus are attractive for potential applications when arranged on UAVs. Elevating a marine radar to high altitudes provides a much wider field of view, however, this could lead to a higher radio inte...
ver más
|
|
|
|
|
|
|
|
|
|
|
Abulasad Elgamoudi, Hamza Benzerrouk, G. Arul Elango and René Landry, Jr.
A single Radio-Frequency Interference (RFI) is a disturbance source of modern wireless systems depending on Global Navigation Satellite Systems (GNSS) and Satellite Communication (SatCom). In particular, significant applications such as aeronautics and s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sahar Ujan, Neda Navidi and Rene Jr Landry
Radio Frequency Interference (RFI) detection and characterization play a critical role in ensuring the security of all wireless communication networks. Advances in Machine Learning (ML) have led to the deployment of many robust techniques dealing with va...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sahar Ujan, Neda Navidi and Rene Jr Landry
The Quality of Service (QoS) and security of Satellite Communication (Satcom) are crucial as Satcom plays a significant role in a wide range of applications, such as direct broadcast satellite, earth observation, navigation, and government/military syste...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shyleshchandra Gudihatti K N,S H Manjula,Venugopal K R
Cognitive Radio based network technology provides better spectrum utilization and resource allocation. Generally, the dynamic network topology, interference, path switching and under-utilization of resource can degrade the network performance. The routin...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dariusz Zmyslowski and Jan M. Kelner
The development of new telecommunication services requires the implementation of advanced technologies and the next generations of networks. Currently, the Long-Term Evolution (LTE) is a widely used standard. On the other hand, more and more mobile netwo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wei-Shun Liao, Ou Zhao, Keren Li, Hikaru Kawasaki and Takeshi Matsumura
For next generation wireless communication systems, high throughput, low latency, and large user accommodation are popular and important required characteristics. To achieve these requirements for next generation wireless communication systems, an in-ban...
ver más
|
|
|
|
|
|
|
|
|
|
|
Seiki Chiba and Mikio Waki
Using a sample coated with three types of carbon-based paints, namely single-wall carbon nanotube (SWCNTs), carbon black, and graphite, the amount of radio wave absorption for each was measured. SWCNTs proved to have the superior radio wave absorption ef...
ver más
|
|
|
|
|
|
|
|
|
|
|
Oksana Kharchenko, Zlatinka Kovacheva and Velin Andonov
Ensuring noise immunity is one of the main tasks of radio engineering and telecommunication. The main task of signal receiving comes down to the best recovery of useful information from a signal that is destructed during propagation and received together...
ver más
|
|
|
|
|
|
|
|
|
|
|
Peberlin Parulian Sitompul, Pakhrur Razi, Timbul Manik, Mario Batubara, Musthofa Lathif, Farahhati Mumtahana, Rizal Suryana, Ibnu Nurul Huda, Taufiq Hidayat, Yana Taryana and Farhan Sobirin
After years of preparation, the Indonesia National Observatory, located in Mount Timau, Kupang Regency, is currently in the completion stage of research in astronomy and astrophysics and related subjects. An optic telescope with a 3.8 m diameter is expec...
ver más
|
|
|
|
|
|
|
|
|
|
|
Marian Wnuk
An important element of modern telecommunications is wireless radio networks, which enable mobile subscribers to access wireless networks. The cell area is divided into independent sectors served by directional antennas. As the number of mobile network s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mohammad Hossein Same, Gabriel Gleeton, Gabriel Gandubert, Preslav Ivanov and Rene Jr Landry
By increasing the demand for radio frequency (RF) and access of hackers and spoofers to low price hardware and software defined radios (SDR), radio frequency interference (RFI) became a more frequent and serious problem. In order to increase the security...
ver más
|
|
|
|
|
|
|
|
|
|
|
Manfred Sneps-Sneppe,Vasily Kupriyanovsky,Dmitry Namiot
Pág. 53 - 59
This article is devoted to the discussion of railway signaling according to the GSM-R standard. Currently, equipment manufacturers are advertising the newest direction of mobile communication 5G, recalling that GSM-R standards will be maintained only unt...
ver más
|
|
|
|
|
|
|
|
|
|
|
Libin Xue and Chunjie Cao
When marine animals and underwater acoustic sensor networks (UASNs) share spectrum resources, problems such as serious harm caused to marine animals by underwater acoustic systems and scarcity of underwater spectrum resources are encountered. To address ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiwen Deng, Zhongliang Deng, Jingrong Liu, Zhenke Ding and Zhichao Zhang
We propose a communication positioning integrated signal (CPIS) to achieve sub-meter positioning of metro trains. However, the electromagnetic environment of metro trains is complex, and the interference of radio frequency signals will reduce the accurac...
ver más
|
|
|
|
|
|
|
|
|
|
|
Run Zhang, Chengbing He, Lianyou Jing, Chaopeng Zhou, Chao Long and Jiachao Li
Underwater acoustic channels, influenced by time-varying, space-varying, frequency-varying, and multipath effects, pose significant interference challenges to underwater acoustic communication (UWAC) signals, especially in non-cooperative scenarios. The ...
ver más
|
|
|
|
|
|