There is an emerging need for high-rate underwater acoustic (UW-A) communication platforms to enable a new generation of monitoring applications including video streaming. At the same time, modern UW-A architectures be flexible adapt and optimize their parameters in real time based on environmental conditions. Existing modems are limited terms achievable data rates ability protocol stack time. To overcome this limitation, we present design, implementation, experimental evaluation...

Body area networks (BANs) promise to enable revolutionary biomedical applications by wirelessly interconnecting devices implanted or worn humans. However, BAN wireless communications based on radio-frequency (RF) electromagnetic waves suffer from poor propagation of signals in body tissues, which leads high levels attenuation. In addition, in-body transmissions are constrained be low-power prevent overheating tissues and consequent death cells. To address the limitations RF human body, we...

Biomedical systems of miniaturized implantable sensors and actuators interconnected in an intra-body area network could enable revolutionary clinical applications. Given the well-understood limitations radio frequency (RF) propagation human body, our previous work we investigated use ultrasonic waves as alternative physical carrier information, proposed Ultrasonic WideBand (UsWB), multipath-resilient integrated medium access control (MAC) layer protocol. In this paper, discuss design...

The use of wirelessly internetworked miniaturized biomedical devices is promising a significant leap forward in medical treatment many pervasive diseases. Recognizing the limitations traditional radio-frequency wireless communications interconnecting within human body, this paper, we propose for first time to develop network protocols implantable based on ultrasonic transmissions. We start off by assessing theoretical feasibility using waves tissues and deriving an accurate channel model...

Wireless networks of electronically controlled implantable medical sensors and actuators will be the basis many innovative potentially revolutionary therapies. The biggest obstacle in realizing this vision networked implants is posed by dielectric nature human body, which strongly attenuates radio-frequency (RF) electromagnetic waves. In paper we present first hardware software architecture an Internet Medical Things (IoMT) platform with ultrasonic connectivity for intra-body communications....

Wirelessly networked systems of intra-body sensors and actuators could enable revolutionary applications at the intersection between biomedical science, networking, control with a strong potential to advance medical treatment major diseases our times. Yet, most research date has focused on communications along body surface among devices interconnected through traditional electromagnetic radio-frequency (RF) carrier waves; while underlying root challenge enabling miniaturized that communicate...

Biomedical systems of implanted miniaturized sensors and actuators interconnected into an intra-body area network could enable revolutionary healthcare clinical applications. Given the well-understood limitations radio frequency (RF) propagation in human body, our previous work we investigated use ultrasonic waves as alternative physical carrier information [1], proposed Ultrasonic WideBand (UsWB), multipath-resilient integrated medium access control (MAC) layer protocol [2]. In this paper,...

It is well known that electromagnetic radio-frequency (RF) waves are the basis of most commercial wireless technologies largely unsuitable to interconnect deeply implanted medical devices. RF in fact absorbed by aqueous biological tissues and prone malicious jamming attacks or environmental interference from pervaslvely deployed communication systems; moreover, they pose a potential safety hazard when exposure prolonged at high power. While existing can satisfy requirements some specific...

Highlights• Development of a fully functional mobile TXRF/GIXRF system for in-house and in-situ applications.• Detection target contaminants in the parts per billion range.• Extraction depth profile layered samples nanometer Application to complex sample surfaces cultural heritage studies.

This article describes the design of a custom software-defined modem with adaptive physical layer for underwater acoustic (UWA) communications. The consists commercial radio (SDR) interfaced wideband transducer through amplifying circuitry. With this custom-built platform, we focus on unique challenges channel to demonstrate benefits real-time adaptation in such rapidly varying environments. We first an Orthogonal-Frequency-Division-Multiplexing (OFDM) transmission scheme. In particular,...

Wearable medical sensing devices with wireless capabilities have become the cornerstone of many revolutionary digital health applications that promise to predict and treat major diseases by acquiring processing information. Existing wearable are connected through radio frequency (RF) electromagnetic wave carriers based on standards such as Bluetooth or WiFi. However, these solutions tend almost-blindly scale down traditional technologies body environment, little no attention peculiar...

As of today, Underwater Acoustic Networks (UANs) are heavily dependent on commercially available acoustic modems. While commercial modems often able to support specific applications, they typically not flexible enough satisfy the requirements next-generation UANs, which need be adapt their communication and networking protocols in real-time based environmental application conditions. To address these needs, we present SEANet (Software-dEfined Networking), a modular, evolving software-defined...

Wearable medical devices with wireless capabilities have become the cornerstone of many revolutionary digital health applications that promise to predict and treat major diseases by acquiring processing physiological information. Existing wearable are connected through radio frequency electromagnetic wave carriers based on standards, such as Bluetooth or Wi-Fi. However, these solutions tend almost blindly scale down traditional technologies body environment, little no attention peculiar...

Wirelessly networked systems of implantable medical devices endowed with sensors and actuators will be the basis many innovative, sometimes revolutionary therapies. The biggest obstacle in realizing this vision is posed by dielectric nature human body, which strongly attenuates radio-frequency (RF) electromagnetic waves. In paper we present first hardware software architecture an Internet Medical Things (IoMT) platform ultrasonic connectivity for intra-body communications that can used as a...

Wirelessly interconnected nanorobots, i.e., engineered devices of sizes ranging from one to a few hundred nanometers, are promising revolutionary diagnostic and therapeutic medical applications that could enhance the treatment major diseases. Each nanorobot is usually designed perform set basic tasks such as sensing actuation. A dense wireless network nano-devices, nanonetwork, potentially accomplish new more complex functionalities, e.g., in-vivo monitoring or adaptive drug-delivery, thus...

The use of miniaturized biomedical devices implanted in the human body and wirelessly internetworked is promising a significant leap forward medical treatment many pervasive diseases. Recognizing well-understood limitations traditional radio-frequency wireless communications interconnecting within body, this paper we propose to develop network protocols for implantable based on ultrasonic transmissions. We start off by assessing feasibility using propagation tissues deriving an accurate...

Most research in body area networks to date has focused on traditional RF wireless communications, typically along the surface. However, core challenge of enabling networked intra-body communications through tissues is substantially unaddressed. waves are fact known suffer from high absorption and potentially lead overheating human tissues. In this paper, we consider problem designing optimal network control algorithms for distributed systems implantable medical devices wirelessly...

In the next decade nanocommunications will have great impact on biomedical engineering applications, for example in view of allowing rehabilitation patients which suffer irreversible damage to vertebral column. such a case, impossibility move caused by an interruption propagation nervous impulses, could be solved exploiting nanomachines that employ same communication paradigm neurons interact with them, thus signal across body critical area. Accordingly, this paper we perform...

We consider the problem of designing optimal network control algorithms for distributed networked systems implantable medical devices wirelessly interconnected by means ultrasonic waves, which are known to propagate better than radio-frequency electromagnetic waves in aqueous media such as human tissues. Specifically, we propose lightweight, asynchronous, and joint rate stochastic channel access designed maximize throughput intra-body area networks under energy constraints. first develop...

Wireless energy transmission to medical implants via ultrasonic waves is a promising technology with significant potential benefits over systems relying on radio frequency (RF) in terms of (i) charging efficiency (ii) safety concerns. This paper discusses the design an link transfer from external acoustic transmitter in-body deeply implanted device (IMD). Experimental results show that rectified wave able convey enough power completely charge 0.22 F supercapacitor 210 s.

Nanomachine-to-neuron communications are envisaged as a futuristic communication scenario with enormous impact especially on medical applications. One of the crucial aspects to be considered in study any environment is represented by amount information that can reliably transmitted over channel, is, its capacity. In this paper we evaluate such To purpose consider channel between nanomachine and neuron has been proved introduce noise. This however cannot modeled means traditional additive...