scispace - formally typeset
Search or ask a question

Answers from top 10 papers

More filters
Papers (10)Insight
Specifically, the high power, wide bandwidth, and repeating structure of pulsed radar systems provide an advantageous framework within which to embed a communication signal.
The dual goal of achieving both satisfactory radar and communication performance raises challenges that can be substantively addressed by combining phase coding and modulation techniques to provide the temporal and spectral structure necessary to implement simultaneous radar and communication operations.
This capability allows for a set of unique radar waveforms to serve the dual purpose of acting as communication symbols while acceptable radar performance is maintained.
Joint radar-communication would bring more efficient plan and usage for the radio spectral resource.
The resulting communication-embedded radar waveforms therefore maintain high power and spectral efficiency.
And lastly, this will be a communication system of choice for sparsely populated areas, which are also sites suitable for Radar surveillance.
reveal interesting design hints, and stress a marked sensitivity of radar detection to communication interference.
It is shown that there is a performance gain due to the cooperation between the radar and communication systems.
It is demonstrated that the estimation performance improves when the radar and the communication systems cooperate.
The resulting communication scheme naturally coexists with the radar functionality, and thus does not come at the cost of reduced radar performance.

Related Questions

Which channels to music listeners use to discover music?5 answersMusic listeners use a variety of channels to discover music. One channel is online music services, where recommender systems play a crucial role in browsing music collections and providing high-quality recommendations. These systems help users discover tracks and artists they are not familiar with, including newly released tracks and niche music in the "long tail" of online music. Another channel is interactive cable/satellite audio (ICSA), which allows listeners to access music through their television. Heavy users of ICSA are also heavy users of free-to-air radio (FTA) and personal music collections (PMC). Additionally, digital technologies have made music analysis more accessible to non-expert listeners, bridging the gap between established analytical methods and non-musicians. Overall, music listeners use online music services, ICSA, and digital technologies for music discovery.
What are the B2B communication channels?3 answersB2B communication channels refer to the various methods and platforms through which businesses interact and exchange information with each other. These channels can include social media adaptation strategies, personal area networks (PANs) and body-to-body (B2B) networks, distribution channels in relationship marketing, and digital waste management applications for B2B customers. B2B communication channels can also involve communication tools and target groups specific to the B2B market. The performance and characteristics of these channels may vary depending on factors such as body types/sizes in PAN and B2B channels. The goal of B2B communication channels is to enhance business relationships, improve competitiveness, and provide automated services for businesses.
Which communication channel is best for mobile and other wireless communication applications?3 answersThe best communication channel for mobile and other wireless communication applications is a combination of high bandwidth and low latency channels. This approach utilizes two channels simultaneously, one with high bandwidth and one with low latency, to effectively exploit the properties of both channels. This approach has been shown to significantly reduce page load time for web browsing applications, even when the low latency channel offers only a fraction of the bandwidth compared to the high bandwidth channel. Additionally, the usage of Unstructured Supplementary Service Data (USSD) channel has been proposed as a more effective option for mobile Unified Communications (UC) applications, as it can help reduce overload on the mobile network caused by the short data connection sessions required for UC signaling traffic.
What channels should be used in 6GHz band?5 answersThe 6GHz band for 6G systems can utilize channels in the THz frequency range, specifically in the lower THz frequency of 100-300 GHz. This frequency range offers a large available bandwidth, making it attractive for 6G communication systems. Channel measurements and modeling have been conducted to understand the characteristics of these channels. Extensive channel measurements have been performed in urban outdoor environments at frequencies between 145-146 GHz, providing insights into path loss, delay spread, angular spread, and multipath component power distribution. Additionally, channelization techniques have been developed for the 6 GHz band, allowing for frequency allocation and communication between devices. These findings and models can be used for system design and evaluation, enabling high data rates and reliable communication in both indoor and outdoor scenarios.
What channel was dark matter on?6 answers
Which is the fastest channel of communication?9 answers

See what other people are reading

What is the state of the art of low orbit satellital communication?
5 answers
The state of the art in low-orbit satellite communication involves innovative methods and systems to enhance connectivity and reliability. Techniques such as direct communication with ground stations, relay communication through high-orbit satellites, frequency hopping, time hopping, and multi-antenna systems are key advancements. These methods ensure seamless coverage, high landing power, strong anti-interference capabilities, and efficient signal transmission. Additionally, switching methods based on signal intensity measurements and pilot signals enable smooth user equipment transitions and uninterrupted communication. Cutting-edge devices like the Luneberg lens antenna-based tracking system facilitate real-time satellite tracking, minimizing communication interruptions and ensuring continuity. These advancements collectively represent the cutting-edge developments in low-orbit satellite communication technology.
What are the current methods used for monitoring the health and longevity of railway bridges?
5 answers
Current methods for monitoring the health and longevity of railway bridges include a variety of techniques. These methods encompass sensor technology, computer vision technology, vibration-based damage identification, non-destructive testing-based damage identification, wireless monitoring systems, and state-of-the-art technologies like LiDAR, Photogrammetry, Virtual Reality, Augmented Reality, Digital Twins, Machine Learning, and Deep Learning. Structural Health Monitoring (SHM) plays a crucial role in assessing the safety and performance of railway bridges, utilizing non-destructive methods, sensors, and data interpretation by experts. The use of smart wireless monitoring systems with energy harvesting techniques allows for continuous monitoring activities, providing essential data for condition assessment and maintenance planning. These advanced monitoring technologies aim to enhance the durability, reliability, and safety of railway bridges, ultimately extending their lifespan and ensuring uninterrupted operation.
What are the negative impact of Advanced air traffic management systems in terms of Data Security for Aircraft manufacturers?
4 answers
Advanced Air Traffic Management (ATM) systems pose significant data security challenges for aircraft manufacturers. The integration of various networks in ATM systems, such as the ground computer network, airborne network, and space satellite network, increases the vulnerability to security risks, potentially impacting flight safety. The reliance on wireless communication in Unmanned Air Vehicles (UAVs) also exposes the system to different types of cyber attacks, jeopardizing data security and privacy. To address these risks, innovative solutions like the use of blockchain technology have been proposed to enhance security in air traffic management. Blockchain-based systems like ATMChain aim to provide secure, efficient, and traceable data sharing among air traffic control departments and other stakeholders, improving the overall security and reliability of air traffic management operations.
Importance of performance testing of IoT devices?
5 answers
Performance testing of IoT devices is crucial due to the increasing number of connected devices and the security risks they pose. With the rise of IoT, there is a need to evaluate cryptographic ciphers on these devices for efficiency in execution time and memory consumption. Additionally, the development of lightweight cryptographic ciphers may be necessary to enhance security on IoT hardware architectures. Furthermore, the performance of IoT devices can be optimized using data from sensors and machine learning algorithms, enabling tasks like anomaly detection and performance prediction. Evaluating the efficiency of post-quantum cryptographic algorithms is also essential for securing wireless communications in consumer IoT devices with limited computational power. Overall, performance testing ensures the balance between security and functionality in the rapidly expanding IoT ecosystem.
What are the positive impact of Autonomous flight systems in terms of Reduced Workload for Air traffic controllers?
4 answers
Autonomous flight systems have shown positive impacts on reducing the workload for air traffic controllers (ATCos). Implementing Automatic Speech Recognition and Understanding (ASRU) systems significantly decreases workload by improving radar label maintenance, reducing errors, enhancing situational awareness, and enabling successful multitasking. Additionally, utilizing automation tools like graph-based deep-learning frameworks and conformal prediction can accurately predict ATCo workload levels, aiding in workload management and mitigation actions. Furthermore, empirical studies have demonstrated that automation enhances situation awareness while reducing mental workload, especially in scenarios with varying traffic levels, thus benefiting ATCos' decision-making processes and overall operational efficiency. Overall, autonomous systems contribute to workload reduction, improved safety, and enhanced operational performance for air traffic controllers.
Performance measure of a refugee camp?
4 answers
The performance measurement of a refugee camp can encompass various aspects such as self-reliance, sustainability, energy efficiency, indoor comfort, and social impact. Studies highlight the importance of self-reliance among camp dwellers, emphasizing the need for infrastructure and service investments to improve their lives. Additionally, research on sustainable refugee shelters demonstrates significant energy savings and enhanced indoor comfort levels through innovative design and construction methods. Furthermore, the spatial design of refugee camps is considered performative, influencing the formation of the refugee subject and advocating for spatial justice in camp planning. Moreover, the integration of mobile networks and power availability assessments in refugee settlements aids in improving service delivery and access to essential resources for refugees.
How is runtime verification used for self-adaptive systems?
5 answers
Runtime verification is crucial for self-adaptive systems to ensure that the system meets its requirements even as they evolve. This process involves checking the system against formalized temporal-logic properties, which may change due to system evolution or environmental uncertainties. To address this challenge, approaches like using property specification patterns to obtain automata with precise semantics have been proposed, allowing for dynamic adaptation of properties during verification while maintaining intermediate results. Additionally, runtime verification can be applied to oversee the correct function of adaptive systems like radar systems, aiding in the verification of adaptive radar resource managers and performance measures in dynamic environments. Furthermore, scenario-based approaches have been explored for self-adaptive systems, where scenarios are used as runtime entities to drive system adaptation and verify reachability properties through model checking techniques.
WHAT ARE THE ADVANTAGES AND DISADVANTAGES OF THE GROUNDED methodology?
5 answers
Grounded methodology, as seen in various contexts, offers advantages such as high temporal resolution, independence from atmospheric influences, and cost savings up to 30% in structural optimization. It allows for concurrent execution of ground tests, automatic detection of conflicts, and accurate test results even in system breakdown scenarios. However, challenges like baseline errors due to radar position changes between measurements may arise, requiring innovative solutions for accuracy maintenance. Additionally, while Ground Up inquiry fosters collaboration between Indigenous and academic knowledge authorities, it may face complexities in balancing power dynamics and ensuring equal partnerships. In summary, the grounded methodology offers significant benefits but also necessitates addressing technical and relational challenges for optimal outcomes.
How to calculate accuracy of esm systems?
5 answers
The accuracy of ESM (Electronic Support Measures) systems can be calculated using various methods outlined in the research papers. One approach involves deriving an expression for the factor of successful processing (F/sub s/) as a function of pulse rate and system parameters, allowing for the determination of the highest pulse rate for proper system functionality. Additionally, the assessment of the adequacy and accuracy of energy storage system (ESS) mathematical models through full-scale experiments and mathematical modeling in software like DIgSILENT PowerFactory can provide insights into system accuracy and adequacy. Furthermore, accurate and efficient computational methods using 3-D full-wave solvers can be employed to compute ESD noise waveforms in ESD tests, ensuring precise measurements in ESM systems.
How to improve x-band marine radar wave monitoring accuracy using wave modeling?
5 answers
To enhance X-band marine radar wave monitoring accuracy, several advanced methods can be employed. Utilizing unsupervised self-attention generative adversarial networks can effectively reduce rain interference in radar images, improving wave height parameter inversion accuracy. Implementing a temporal convolutional network (TCN) model with feature extraction techniques like SNR, EEMD, and gray level cooccurrence matrix can further enhance significant wave height (Hs) estimation accuracy. Additionally, developing a shadow estimation model based on Convolutional Neural Network (CNN) for SWH inversion can intelligently estimate shadowing ratios, enhancing accuracy without requiring reference measurements. Moreover, employing a sub-image selection scheme based on random-forest classification can mitigate rain effects and improve wave direction estimation accuracy under various rain rates. These methods collectively contribute to refining X-band marine radar wave monitoring accuracy through innovative wave modeling techniques.
What are research gap in the utilization of xband marine radar in terms of wave detection?
5 answers
The research on utilizing X-band marine radar for wave detection reveals several gaps. Firstly, the detection of rainfall interference in radar images remains a challenge due to limited accuracy in statistical methods. Secondly, the need for improved methods to retrieve wave parameters from radar images, especially in non-homogeneous sea wave fields, suggests a gap in current techniques. Additionally, controlling the quality of radar images for accurate wave parameter retrieval requires more effective rainfall detection methods. Lastly, advancements in radar maritime target detection highlight the importance of sharing radar-measured data for tackling key technologies, indicating a gap in data availability and collaboration. These gaps emphasize the need for further research to enhance the effectiveness and reliability of X-band marine radar in wave detection applications.