HOTMOBILE

Vision- and LIDAR-based Simultaneous Localization and Mapping (SLAM) techniques can build indoor building floorplans with ease, but require line-of-sight into every room of a building. We are developing a radio microwave-based system for building indoor ...

This paper explores a future in which drones serve as extensions to cellular networks. Equipped with a WiFi interface and a (LTE/5G) backhaul link, we envision a drone to fly in and create a WiFi network in a desired region. Analogous to fire engines, ...

Millimeter (mm) wave picocellular networks have the potential for providing the 1000X capacity increase required to keep up with the explosive growth of mobile data. However, maintaining beams towards mobile users and adapting to frequent blockage, ...

Mobile devices, such as smartphones and tablets, use notifications to inform their users of events. Some security- and privacy-related events are time-sensitive: the user must be notified immediately. In this paper, we perform a user study with 40 ...

Benchmarking the performance of mobile devices such as Android-based smartphones is important in understanding and comparing the performance of different devices. Performance benchmarking tools such as Antutu have been widely used in both academia and ...

Short-lived tasks have a large impact on mobile computer's battery life. In executing such tasks, the whole system transitions in and out of the deep sleep mode. This suspend/resume procedure is controlled by the operating system (OS), which consumes a ...

Low-cost lenses with magnifications of 150-200x are being sold in the market today as accessories for mobile smartphones. Attaching these lenses to a smartphone camera creates low-cost, ultra-portable digital microscopes, with a potential for ...

Telepath is a framework that supports communication-free offloading for wearable devices. With offline training, activity recognition tasks can be offloaded from the wearable to the user's phone, without transferring raw sensing data. The key ...

With the wide-distribution of smart wearables, it seems as though ubiquitous healthcare can finally permeate into our everyday lives, opening the possibility to realize clinical-grade applications. However, given that clinical applications require ...

We describe our vision for Empath-D, our system to enable Empathetic User Interface Design. Our key idea is to leverage Virtual and Augmented Reality (VR / AR) displays to provide an Immersive Reality environment, where developers/designers can emulate ...

In this paper we measure the step-wise latency in the pipeline of three kinds of interactive mobile video applications that are rapidly gaining popularity, namely Remote Graphics Rendering (RGR), Mobile Augmented Reality (MAR), and Mobile Virtual ...

Like today's autonomous vehicle prototypes, vehicles in the future will have rich sensors to map and identify objects in the environment. For example, many autonomous vehicle prototypes today come with line-of-sight depth perception sensors like 3D ...

Truck platooning is emerging as a promising solution with many economic incentives. However, securely admitting a new vehicle into a platoon is an extremely important yet difficult task. There is no adequate method today for verifying physical ...

As cities ramp up the efforts to convert their aging lighting infrastructure to connected and energy-efficient Light-Emitting Diodes (LEDs), they are confounded by the lack of reliable information about their existing outdoor lighting bases. In this ...

High value of GPS location information and easy availability of portable GPS signal spoofing devices incentivize attackers to launch GPS spoofing attacks against location-based applications. In this paper, we propose an attack model in road navigation ...

Personalized services such as news recommendations are becoming an integral part of our digital lives. The problem is that they extract a steep cost in terms of privacy. The service providers collect and analyze user's personal data to provide the ...

As app quality is a deciding factor for user base growth, many automated testing services are available to reduce app developers' burden. However, we argue that these existing services do not sufficiently bring real-world contexts into app testing, ...

Smartphone consumers, app developers, and even mobile systems researchers operate under the assumption that performance differences between identical smartphones should be small. Consumers pick a model to purchase and don't consider that the specific ...