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We introduce EarHover, an innovative system that enables mid-air gesture input for hearables. Mid-air gesture input, which eliminates the need to touch the device and thus helps to keep hands and the device clean. However, existing mid-air gesture input ...

The sound produced by vehicles driving on roadways constitutes one of the dominant noise sources in urban areas. The impact of traffic noise on human activities and the related investigation on modeling, assessment, and abatement strategies fueled ...

Acoustic motion tracking is rapidly evolving with various applications. However, existing approaches still have some limitations. Tracking based on single-frequency continuous wave (CW) faces cumulative errors in tracking and limited accuracy in tracking ...

A design scheme for a low-cost microwave contactless detection device that uses Doppler effect to detect fluid velocity is introduced in this paper. The three major modules, including antenna probes, microwave transceiver module and Doppler signal ...

Land transportation of people and goods often relies on strategic routes that pass through mountains. Despite the importance of these routes, the characteristics of the vehicular radio communication channel in such environments have ...

With the rapid growth of Machine Learning (ML) in recent years, more and more technical issues, which were usually solved by model-based solutions, have an opportunity to be solved with data driven solutions. Underwater Doppler effect was tackled with ...

A finite element method in the frequency domain is proposed for solving scattering problems with moving or, more generally, deforming boundaries. First, the original problem is rewritten as an equivalent weak formulation set in a fixed domain. Next, this ...

Underwater sensor networks (UWSNs) could be more scalable with the help of autonomous underwater vehicles (AUVs) by their self-control ability. However, continuous and reliable mobile acoustic communication is the bottleneck that limits the development ...

Acoustic Doppler shift estimation is a cost-effective way to implement Human-Computer Interaction applications across existing smart devices such as smart phones and smart spekaers. However, due to the inherent uncertainty principle in the ...

• An improved bat algorithm is proposed for target searching in unknown environments.

Multirobot target searching in unknown environments is a currently trending topic of discussion. In this paper, an improved bat algorithm (BA) for multirobot target searching in unknown environments, named adaptive robotic bat ...

Applications of localization range from body tracking, gesture capturing, indoor plan construction to mobile health sensing. Technologies such as inertial sensors, radio frequency signals and cameras have been deeply excavated to locate targets. ...

Acoustic gesture recognition based on the Doppler effect is a natural HCI (human computer interface) mechanism for cooperation with robots. Environmental noise, nearby human motions, and user adaptability compromise the gesture ...

Wireless sensor networks are fundamental blocks of Internet of Things (IoT) which sense a physical phenomenon and aggregates the sensed data. Numerous IoT applications require human intervention for network maintenance. Several approaches have ...

One of the serious problems in the low earth orbit (LEO) satellite communication system is the very high Doppler frequency effect since the LEO satellite system runs very fast to keep the orbit altitude. Especially, this problem produces the ...

In order to improve the monitoring efficiency of track traffic speed, a signal processing method based on Doppler effect is purposed to meet the accurate velocity measurement of high speed trains. As a result, the track traffic radar monitoring signal ...

Orthogonal frequency division multiplexing (OFDM) is very vulnerable to the carrier frequency offset (CFO) generated mainly by the Doppler effect. The inter-carrier interference (ICI) generated by this offset degrades the system performances. Before ...

Path planning is an extremely important step in every robotics related activity today. In this paper, we present an approach to a real-time path planner which makes use of concepts from the random sampling of the Rapidly-exploring random tree and ...

The urbanization and the fourth industrial revolution lead to the explosion of smart cities. One of the most prior problems to solve in digital cities is transportation infrastructures and high speed railway (HSR) is an effective solution. In ...

Acoustic Doppler shift estimation is a cost-effective way to implement Human-Computer Interaction applications across existing smart devices such as smart phones and smart spekaers. However, due to the inherent uncertainty principle in the traditional ...

It is well known that communication is affected by the change in frequency of a signal for an observer that is moving relative to the source. As a result of the motion of either the source or the observer, successive waves are emitted from a position ...