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Paper Digest: MobiCom 2019 Highlights

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International Conference on Mobile Computing and Networking (MobiCom) is one of the top conferences on mobile computing and wireless and mobile networking. In 2019, it is to be held in Los Cabos, Mexico.

To help the community quickly catch up on the work presented in this conference, Paper Digest Team processed all accepted papers, and generated one highlight sentence (typically the main topic) for each paper. Readers are encouraged to read these machine generated highlights / summaries to quickly get the main idea of each paper.

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Paper Digest Team
team@paperdigest.org

TABLE 1: MobiCom 2019 Papers

Title Authors Highlight
1 Detecting if LTE is the Bottleneck with BurstTracker Arjun Balasingam, Manu Bansal, Rakesh Misra, Kanthi Nagaraj, Rahul Tandra, Sachin Katti, Aaron Schulman We present BurstTracker, the first tool that developers can use to detect if the LTE downlink is the bottleneck for their applications.
2 Rebooting Ultrasonic Positioning Systems for Ultrasound-incapable Smart Devices Qiongzheng Lin, Zhenlin An, Lei Yang Inspired by this insight, this work revisits the ultrasonic positioning technique and builds a practical UPS, called UPS+, for ultrasound-incapable smart devices.
3 Wideband Full-Duplex Wireless via Frequency-Domain Equalization: Design and Experimentation Tingjun Chen, Mahmood Baraani Dastjerdi, Jin Zhou, Harish Krishnaswamy, Gil Zussman We derive and experimentally validate the PCB canceller model and present a canceller configuration scheme based on an optimization problem.
4 AMP up your Mobile Web Experience: Characterizing the Impact of Google’s Accelerated Mobile Project Byungjin Jun, Fabi�n E. Bustamante, Sung Yoon Whang, Zachary S. Bischof This paper presents the first characterization of AMP’s impact on users’ QoE.
5 Living IoT: A Flying Wireless Platform on Live Insects Vikram Iyer, Rajalakshmi Nandakumar, Anran Wang, Sawyer B. Fuller, Shyamnath Gollakota We explore an alternative, biology-based solution: integrate sensing, computing and communication functionalities onto live flying insects to create a mobile IoT platform.
6 ClientMarshal: Regaining Control from Wireless Clients for Better Experience Apurv Bhartia, Bo Chen, Derrick Pallas, Waldin Stone In this paper, we use large scale measurements to show the limited adoption of existing client-based techniques.
7 A Systematic Way to LTE Testing Muhammad Taqi Raza, Songwu Lu In this work, we examine the LTE testing practices in terms of completeness and efficiency.
8 mD-Track: Leveraging Multi-Dimensionality for Passive Indoor Wi-Fi Tracking Yaxiong Xie, Jie Xiong, Mo Li, Kyle Jamieson This paper presents mD-Track, a device-free Wi-Fi tracking system capable of jointly fusing information from as many dimensions as possible to overcome the resolution limit of each individual dimension.
9 Experience: Understanding Long-Term Evolving Patterns of Shared Electric Vehicle Networks Guang Wang, Xiuyuan Chen, Fan Zhang, Yang Wang, Desheng Zhang In this paper, we make the first effort to understand the long-term evolving patterns through a five-year study on one of the largest electric taxi networks in the world, i.e., the Shenzhen electric taxi network in China.
10 MP-H2: A Client-only Multipath Solution for HTTP/2 Ashkan Nikravesh, Yihua Guo, Xiao Zhu, Feng Qian, Z. Morley Mao It enables an HTTP client to fetch content (an HTTP object) over multiple network paths such as WiFi and cellular on smartphones.
11 VeMo: Enabling Transparent Vehicular Mobility Modeling at Individual Levels with Full Penetration Yu Yang, Xiaoyang Xie, Zhihan Fang, Fan Zhang, Yang Wang, Desheng Zhang Our novelty is how we address uncertainty issues (i.e., unknown routes and speeds) due to sparse implicit ETC data based on a key data-driven insight, i.e., individual driving behaviors are strongly correlated with crowds of drivers under certain spatiotemporal contexts and can be predicted by combining both personal habits and context information.
12 SolarGest: Ubiquitous and Battery-free Gesture Recognition using Solar Cells Dong Ma, Guohao Lan, Mahbub Hassan, Wen Hu, Mushfika B. Upama, Ashraf Uddin, Moustafa Youssef Using solar energy harvesting laws, we develop a model to optimize design and usage of SolarGest.
13 Fire in Your Hands: Understanding Thermal Behavior of Smartphones Soowon Kang, Hyeonwoo Choi, Sooyoung Park, Chunjong Park, Jemin Lee, Uichin Lee, Sung-Ju Lee With this in mind, we devise a smartphone surface temperature prediction model, by using only system statistics and internal sensor values.
14 Jigsaw: Robust Live 4K Video Streaming Ghufran Baig, Jian He, Mubashir Adnan Qureshi, Lili Qiu, Guohai Chen, Peng Chen, Yinliang Hu To this end, we propose a novel system, Jigsaw.
15 Diagnosing Vehicles with Automotive Batteries Liang He, Linghe Kong, Ziyang Liu, Yuanchao Shu, Cong Liu To mitigate these risks, we design B-Diag, a battery-based diagnostics system that guards vehicles against anomalies with a cyber-physical approach, and implement B-Diag as an add-on module of commodity vehicles attached to automotive batteries, thus providing vehicles an additional layer of protection.
16 PDVocal: Towards Privacy-preserving Parkinson’s Disease Detection using Non-speech Body Sounds Hanbin Zhang, Chen Song, Aosen Wang, Chenhan Xu, Dongmei Li, Wenyao Xu To overcome this challenge, we propose and identify the non-speech body sounds as the new PD biomarker, and utilize the data in smartphone usage to realize the passive PD detection in daily life without interrupting the user.
17 Taprint: Secure Text Input for Commodity Smart Wristbands Wenqiang Chen, Lin Chen, Yandao Huang, Xinyu Zhang, Lu Wang, Rukhsana Ruby, Kaishun Wu To fill this gap, we propose a secure text pin input system, namely Taprint, which extends a virtual number pad on the back of a user’s hand.
18 An Active-Passive Measurement Study of TCP Performance over LTE on High-speed Rails Jing Wang, Yufan Zheng, Yunzhe Ni, Chenren Xu, Feng Qian, Wangyang Li, Wantong Jiang, Yihua Cheng, Zhuo Cheng, In this paper, we conduct a large-scale active-passive measurement study of TCP performance over LTE on HSR.
19 Mobile Gaming on Personal Computers with Direct Android Emulation Qifan Yang, Zhenhua Li, Yunhao Liu, Hai Long, Yuanchao Huang, Jiaming He, Tianyin Xu, Ennan Zhai This paper presents DAOW, a game-oriented Android emulator implementing the idea of direct Android emulation, which eliminates the overhead of full virtualization by directly executing Android app binaries on top of x86-based Windows.
20 OFDMA-Enabled Wi-Fi Backscatter Renjie Zhao, Fengyuan Zhu, Yuda Feng, Siyuan Peng, Xiaohua Tian, Hui Yu, Xinbing Wang In this paper, we for the first time demonstrate how to enable OFDMA in Wi-Fi backscatter for capacity and concurrency enhancement.
21 Proximity Detection with Single-Antenna IoT Devices Timothy J. Pierson, Travis Peters, Ronald Peterson, David Kotz We present theoretical and practical evaluation of a method called SNAP — SiNgle Antenna Proximity — that allows a single-antenna Wi-Fi device to quickly determine proximity with another Wi-Fi device.
22 Keep Others from Peeking at Your Mobile Device Screen! Chun-Yu (Daniel) Chen, Bo-Yao Lin, Junding Wang, Kang G. Shin We have developed and evaluated several ways of hiding both on-screen texts and images from shoulder surfers.
23 Towards Touch-to-Access Device Authentication Using Induced Body Electric Potentials Zhenyu Yan, Qun Song, Rui Tan, Yang Li, Adams Wai Kin Kong This paper presents TouchAuth, a new touch-to-access device authentication approach using induced body electric potentials (iBEPs) caused by the indoor ambient electric field that is mainly emitted from the building’s electrical cabling.
24 SignSpeaker: A Real-time, High-Precision SmartWatch-based Sign Language Translator Jiahui Hou, Xiang-Yang Li, Peide Zhu, Zefan Wang, Yu Wang, Jianwei Qian, Panlong Yang Inspired by previous works on motion detection with wearable devices, we propose Sign Speaker – a real-time, robust, and user-friendly American sign language recognition (ASLR) system with affordable and portable commodity mobile devices.
25 Edge Assisted Real-time Object Detection for Mobile Augmented Reality Luyang Liu, Hongyu Li, Marco Gruteser To address the problem, we design a system that enables high accuracy object detection for commodity AR/MR system running at 60fps.
26 Blind Distributed MU-MIMO for IoT Networking over VHF Narrowband Spectrum Chuhan Gao, Mehrdad Hessar, Krishna Chintalapudi, Bodhi Priyantha In this paper we explore the 150-174 MHz spectrum for long range IoT networks comprising unlicensed MURS and licensed VHF narrowbands.
27 mQRCode: Secure QR Code Using Nonlinearity of Spatial Frequency in Light Hao Pan, Yi-Chao Chen, Lanqing Yang, Guangtao Xue, Chuang-Wen You, Xiaoyu Ji In this study, we addressed this issue by developing a novel QR code (called mQRCode), which exploits patterns presenting a specific spatial frequency as a form of camouflage.
28 Canceling Inaudible Voice Commands Against Voice Control Systems Yitao He, Junyu Bian, Xinyu Tong, Zihui Qian, Wei Zhu, Xiaohua Tian, Xinbing Wang This paper is an attempt to fill the gap. We first systematically analyze existing forensics based defense mechanisms and reveal the root cause of their loopholes. Then we present an active inaudible-voice-command cancellation (AIC) design, which can reliably detect and capture the attack signal facilitated by our custom-designed “guard” signal transmitter.
29 Learning to Coordinate Video Codec with Transport Protocol for Mobile Video Telephony Anfu Zhou, Huanhuan Zhang, Guangyuan Su, Leilei Wu, Ruoxuan Ma, Zhen Meng, Xinyu Zhang, Xiufeng Xie, Huadong Ma, Xiaojiang Chen We thus propose \name, a machine learning based framework to resolve the issue.
30 vrAIn: A Deep Learning Approach Tailoring Computing and Radio Resources in Virtualized RANs Jose A. Ayala-Romero, Andres Garcia-Saavedra, Marco Gramaglia, Xavier Costa-Perez, Albert Banchs, Juan J. Alcaraz We present vrAIn, a dynamic resource controller for vRANs based on deep reinforcement learning.
31 Experience: Design, Development and Evaluation of a Wearable Device for mHealth Applications George Boateng, Vivian Genaro Motti, Varun Mishra, John A. Batsis, Josiah Hester, David Kotz In this paper, we describe the experience of the research and development team designing, implementing and evaluating Amulet?
32 HealthSense: Software-defined Mobile-based Clinical Trials Aidan Curtis, Amruta Pai, Jian Cao, Nidal Moukaddam, Ashutosh Sabharwal We take a software-inspired viewpoint of clinical trial designs to design, develop and validate HealthSense to enable expressibility of complex ideas, composability with diverse devices and services while maximally maintaining simplicity for a clinical research user.
33 Touch Well Before Use: Intuitive and Secure Authentication for IoT Devices Xiaopeng Li, Fengyao Yan, Fei Zuo, Qiang Zeng, Lannan Luo We present a virtual sensing technique that allows IoT devices to virtually sense user ‘petting’ (in the form of some very simple touches for about 2 seconds) on the devices.
34 MuSher: An Agile Multipath-TCP Scheduler for Dual-Band 802.11ad/ac Wireless LANs Swetank Kumar Saha, Shivang Aggarwal, Rohan Pathak, Dimitrios Koutsonikolas, Joerg Widmer In this work, we explore leveraging Multipath TCP (MPTCP) to use both interfaces simultaneously in order to achieve a higher overall throughput as well as seamlessly switching to a single interface when the other one fails.
35 On-Off Noise Power Communication Philip Lundrigan, Neal Patwari, Sneha K. Kasera We use spread spectrum techniques on top of the basic on/off mechanism to overcome the interference caused by other devices’ channel access to provide long ranges at a much lower data rate.
36 XModal-ID: Using WiFi for Through-Wall Person Identification from Candidate Video Footage Belal Korany, Chitra R. Karanam, Hong Cai, Yasamin Mostofi In this paper, we propose XModal-ID, a novel WiFi-video cross-modal gait-based person identification system.
37 Fast and Efficient Cross Band Channel Prediction Using Machine Learning Arjun Bakshi, Yifan Mao, Kannan Srinivasan, Srinivasan Parthasarathy In this paper we present a solution that greatly reduces the complexity of this task, and is even applicable for single antenna devices.
38 RNN-Based Room Scale Hand Motion Tracking Wenguang Mao, Mei Wang, Wei Sun, Lili Qiu, Swadhin Pradhan, Yi-Chao Chen In this way, we can exploit the temporal structure among consecutive profiles to remove the impact of noise, interference and mobility.
39 Towards Low Cost Soil Sensing Using Wi-Fi Jian Ding, Ranveer Chandra In this paper, we present the design and implementation of a system, called Strobe, that senses soil moisture and soil EC using RF propagation in existing Wi-Fi bands.
40 Software-Defined Cooking using a Microwave Oven Haojian Jin, Jingxian Wang, Swarun Kumar, Jason Hong We present SDC (software-defined cooking), a low-cost closed-loop microwave oven system that aims to heat the food in a software-defined thermal trajectory.
41 On the Feasibility of Wi-Fi Based Material Sensing Diana Zhang, Jingxian Wang, Junsu Jang, Junbo Zhang, Swarun Kumar In this paper, we explore the feasibility of the following re-search question: ?
42 FLUID: Flexible User Interface Distribution for Ubiquitous Multi-device Interaction Sangeun Oh, Ahyeon Kim, Sunjae Lee, Kilho Lee, Dae R. Jeong, Steven Y. Ko, Insik Shin In this paper, we present FLUID, a new Android-based multi-device platform that enables innovative ways of using multiple devices.
43 Challenge: Unlicensed LPWANs Are Not Yet the Path to Ubiquitous Connectivity Branden Ghena, Joshua Adkins, Longfei Shangguan, Kyle Jamieson, Philip Levis, Prabal Dutta We propose a metric, bit flux, to describe networks and applications in terms of throughput over a coverage area.
44 Verification: Constructive and Destructive Full Duplex Relays Lu Chen, Fang Liu, Kannan Srinivasan In this paper, we do detailed analysis on whether such constructive and destructive full duplex relays are possible.
45 Experiences: Design, Implementation, and Deployment of CoLTE, a Community LTE Solution Spencer Sevilla, Matthew Johnson, Pat Kosakanchit, Jenny Liang, Kurtis Heimerl In this paper we introduce CoLTE, a solution for LTE-based community networks.
46 Occlumency: Privacy-preserving Remote Deep-learning Inference Using SGX Taegyeong Lee, Zhiqi Lin, Saumay Pushp, Caihua Li, Yunxin Liu, Youngki Lee, Fengyuan Xu, Chenren Xu, Lintao Zhang, Junehwa Song In this paper, we propose Occlumency, a novel cloud-driven solution designed to protect user privacy without compromising the benefit of using powerful cloud resources.
47 Source Compression with Bounded DNN Perception Loss for IoT Edge Computer Vision Xiufeng Xie, Kyu-Han Kim This paper presents GRACE, a DNN-aware compression algorithm that facilitates the edge inference by significantly saving the network bandwidth consumption without disturbing the inference performance.
48 Optimizing Energy Efficiency of Browsers in Energy-Aware Scheduling-enabled Mobile Devices Yonghun Choi, Seonghoon Park, Hojung Cha In this paper, we analyze the characteristics of web browsers, and investigate the cause of energy inefficiency in EAS-enabled mobile devices.
49 A Framework for Analyzing Spectrum Characteristics in Large Spatio-temporal Scales Yijing Zeng, Varun Chandrasekaran, Suman Banerjee, Domenico Giustiniano In this paper, we design BigSpec, a general-purpose framework that allows for fast processing of apps.
50 TunnelScatter: Low Power Communication for Sensor Tags using Tunnel Diodes Ambuj Varshney, Andreas Soleiman, Thiemo Voigt We present TunnelScatter, a mechanism that overcomes this limitation.
51 Device Administrator Use and Abuse in Android: Detection and Characterization Zhiyong Shan, Raina Samuel, Iulian Neamtiu To enable scalable studies of questionable DA behavior, we developed DAAX, a static analyzer which exposes potential DA abuse effectively and efficiently.
52 Contactless Infant Monitoring using White Noise Anran Wang, Jacob E. Sunshine, Shyamnath Gollakota We introduce the first contactless system that uses white noise to achieve motion and respiratory monitoring in infants.
53 eBP: A Wearable System For Frequent and Comfortable Blood Pressure Monitoring From User’s Ear Nam Bui, Nhat Pham, Jessica Jacqueline Barnitz, Zhanan Zou, Phuc Nguyen, Hoang Truong, Taeho Kim, Nicholas Farrow, Anh Nguyen, Jianliang Xiao, Robin Deterding, Thang Dinh, Tam Vu In this work, we propose a device called eBP to measure BP from inside the user’s ear aiming to minimize the measurement’s impact on users’ normal activities while maximizing its comfort level.
54 MobiSR: Efficient On-Device Super-Resolution through Heterogeneous Mobile Processors Royson Lee, Stylianos I. Venieris, Lukasz Dudziak, Sourav Bhattacharya, Nicholas D. Lane This work presents MobiSR, a novel framework for performing efficient super-resolution on-device.
55 Extracting 3D Maps from Crowdsourced GNSS Skyview Data Jo�o G. P. Rodrigues, Ana Aguiar In this work, we show that 3D urban maps can be extracted from standard GNSS data, by analyzing the received satellite signals that are attenuated by obstacles, such as buildings.
56 Human-Machine and Human-Robot Interaction for Long-Term User Engagement and Behavior Change Maja J. Mataric This talk will present methods and results of modeling, learning, and personalizing user motivation, engagement, and coaching of healthy children and adults, as well as stroke patients, Alzheimer’s patients, and children with autism spectrum disorders, in short and long-term (month+) deployments in schools, therapy centers, and homes, and discuss research and commercial implications for technologies aimed at human daily use.
57 4 Systems Perspectives into Human-Centered Machine Learning Carlos Guestrin In this talk, we will cover 4 human-centered perspectives in the ML development process, along with methods and systems, to empower humans to maximize the ultimate impact of their ML-based applications.
58 Demo: Activating Wireless Voice for E-Toll Collection Systems with Zero Start-up Cost Zhenlin An, Lei Yang, Qiongzheng Lin This work enhances the machine-to-human communication between electronic toll collection (ETC) systems and drivers by providing an AM broadcast service to deployed ETC systems.
59 Demo: vrAIn Proof-of-Concept — A Deep Learning Approach for Virtualized RAN Resource Control Jose A. Ayala-Romero, Andres Garcia-Saavedra, Marco Gramaglia, Xavier Costa-Perez, Albert Banchs, Juan J. Alcaraz In this demonstration, we will showcase vrAIn, a vRAN dynamic resource controller that employs deep reinforcement learning to perform resource assignment decisions.
60 Demo: All-You-Can-Bike — A Street View and Virtual Reality Based Cyber-Physical System for Bikers through IoT Technologies Lien-Wu Chen, Chih-Cheng Tsao, Chien-Chung Li, Yu-Chun Lo, Wen-Hsiang Huang, Hao Chen This paper proposes a smartphone-based cyber-physical system, called All-You-Can-Bike, for bikers to ride a bicycle around the world through street view and virtual reality based on Internet of Things (IoT) technologies.
61 DEMO: EApp: Improving Rural Emergency Preparedness and Response Karyn Doke, Nachuan Chengwang, Andrew Boggio-Dandry, Petko Bogdanov, Mariya Zheleva In this demo, we present the EApp; a smartphone application that strives to improve the information access regarding emergencies for rural residents and first responders.
62 Demo: The RFID Can Hear Your Music Play Yuanhao Feng, Panlong Yang, Yanyong Zhang, Xiang-Yang Li, Ziyang Chen, Gang Huang In this work, we devise RF-DJ, a contactless music recognition system with the help of COTS RFID device.
63 Demo: TinySDR, A Software-Defined Radio Platform for Internet of Things Mehrdad Hessar, Ali Najafi, Vikram Iyer, Shyamnath Gollakota We present the physical layer implementations of BLE beacon and LoRa protocols to demonstrate the capabilities of tinySDR.
64 Software-Defined Cooking (SDC) using a Microwave Oven Haojian Jin, Jingxian Wang, Swarun Kumar, Jason Hong We present a demonstration of SDC, a low-cost closed-loop microwave oven system that aims to heat the food in a software-defined thermal trajectory.
65 Demo: Wireless LAN Emulator Using Wireless Network Tap Device for Testing a Vehicular Network System Arata Kato, Mineo Takai, Susumu Ishihara In previous work, we developed a wireless network tap device (wtap80211) and proposed a vehicular network emulator using wtap80211. In the demonstration, we will demonstrate the capability of our emulator using its prototype.
66 FLUID: Multi-device Mobile Platform for Flexible User Interface Distribution Sangeun Oh, Ahyeon Kim, Sunjae Lee, Kilho Lee, Dae R. Jeong, Steven Y. Ko, Insik Shin We present FLUID, a new multi-device platform that allows users to migrate or replicate individual user interfaces (UIs) of a single app on multiple devices.
67 Demo: Extracting 3D Maps from Crowdsourced GNSS Skyview Data Jo�o G. P. Rodrigues, Ana Aguiar We show that 3D urban maps can be extracted from received satellite signals that are attenuated by obstacles, such as buildings, from low-accuracy GNSS data, crowdsourced opportunistically from standard smartphones during their user’s uncontrolled daily commute trips.
68 Demo: An All-in-One Community LTE Network Spencer Sevilla, Matthew Johnson, Pat Kosakanchit, Jenny Liang, Kurtis Heimerl We will introduce and demonstrate CoLTE, an all-in-one solution for LTE-based community networks.
69 Demo: A Practical Application of Visible Light Communication: Opportunistic Sharing of Encryption Keys Jayanth Shenoy, Aditya Tyagi, Meha Halabe, Christine Julien We present a demonstration of Jive (Joint Integration of VLC and Encryption), a novel encryption key sharing framework utilizing the emerging wireless technology Visible Light Communication (VLC).
70 Demo: Tagging IoT Data in a Drone View Lan-Da Van, Chun-Hao Chang, Kit-Lun Tong, Kun-Ru Wu, Ling-Yan Zhang, Yu-Chee Tseng In this work, we consider using a drone to track ground objects.
71 Demo: Improving Visible Light Backscatter Communication with Delayed Superimposition Modulation Yue Wu, Purui Wang, Chenren Xu With the observation of nonlinear and time-varying characteristics of LCD, we present sys, a novel modulation scheme named Delayed Superimposition Modulation (DSM) to achieve 4kbps, which is 4x rate over the status-quo.
72 DF-Mose: Device-Free Motion Sensing with Wireless Backscattering Ning Xiao, Panlong Yang, Yubo Yan, Hao Zhou, Jiahui Hou, Xiang-Yang Li We propose a novel motion sensing/recognition system, called DF-Mose, which marries low-power wireless backscattering and device-free sensing in one clean sheet.
73 Demo: Mobile Gaming on Personal Computers with Direct Android Emulation Qifan Yang, Xinlei Yang, Zhenhua Li, Yunhao Liu, Rui Zhou, Guoyang Du, Ziwen Wu, Tianyin Xu, Ennan Zhai To tackle this issue, we present DAOW, a commercial game-oriented Android emulator implementing the idea of direct Android emulation, which eliminates the overhead of full virtualization by providing foreign Android binaries with direct access to the domestic PC hardware through Windows kernel interfaces.
74 Demo: The Design and Implementation of Intelligent Software Defined Security Framework Shasha Zhang, Shuyu Song, Fan Yang, Rongpeng Li, Zhifeng Zhao, Honggang Zhang In this paper, we propose and implement a novel SDS framework, which aims to flexibly deploy a variety of security functions and artificial intelligence (AI) algorithms to automatically learn ongoing threats and proactively protect the network from attacks.
75 Demo: A ROS-based Robot with Distributed Sensors for Seamless People Tracking Ling-Yan Zhang, Kun-Ru Wu, Ting-Yuan Ke, Chih-Hsiang Wang, Yu-Chee Tseng This paper presents a robot for people identification and tracking developed on robot operating system (ROS).
76 Demo: Toward Continuous User Authentication Using PPG in Commodity Wrist-worn Wearables Tianming Zhao, Yan Wang, Jian Liu, Yingying Chen We present a photoplethysmography (PPG)-based continuous user authentication (CA) system leveraging the pervasively equipped PPG sensor in commodity wrist-worn wearables such as the smartwatch.
77 Poster: Can Mobile Hardware Keep Up with Today’s Gigabit Wireless Technologies? Shivang Aggarwal, Swetank Kumar Saha, Pranab Dash, Jiayi Meng, Arvind Thirumurugan, Dimitrios Koutsonikolas, Y. Charlie Hu In this work, we explore if today’s smartphones are capable of handling such high-speed network traffic.
78 Poster: Protecting Control Planes in In-Band Software-Defined Wireless Networks Namwon An, Hyuk Lim In this paper, we propose an interference management scheme that reduces the interference among control and data planes by adjusting the transmission rates of data-plane traffic in switches to ensure reliable connections between the SDN controller and switches.
79 Poster: Inaudible High-throughput Communication Through Acoustic Signals Yang Bai, Jian Liu, Yingying Chen, Li Lu, Jiadi Yu In this poster, we design an acoustic communication system, which achieves high-throughput and inaudibility at the same time, and the highest throughput we achieve is over 17x higher than the state-of-the-art acoustic communication systems.
80 Poster: DyMand — An Open-Source Mobile and Wearable System for Assessing Couples’ Dyadic Management of Chronic Diseases George Boateng, Prabhakaran Santhanam, Janina L�scher, Urte Scholz, Tobias Kowatsch In this ongoing work, we describe the development of DyMand, a novel open-source mobile and wearable system for ambulatory assessment of couples’ dyadic management of chronic diseases.
81 Keep Others from Peeking at Your Mobile Device Screen! Chun-Yu Daniel Chen, Bo-Yao Lin, Junding Wang, Kang G. Shin We have developed and evaluated several ways of hiding both on-screen texts and images from shoulder surfers.
82 Poster: Enabling Wideband Full-Duplex Wireless via Frequency-Domain Equalization Tingjun Chen, Mahmood Baraani Dastjerdi, Jackson Welles, Jin Zhou, Harish Krishnaswamy, Gil Zussman In [2], we designed and implemented an FDE-based RF canceller on a printed circuit board (PCB).We also presented an optimized canceller configuration scheme based on the derived canceller model, and extensively evaluated the performance of the FDE-based FD radios in a software-defined radio (SDR) testbed in different network settings.
83 Poster: Energy Efficient Mobile Video Transmission over Wireless Networks in IoT Applications Bo Cheng, Ming Wang, Junliang Chen We propose an energy-efficient architecture that includes smartphones’ various power saving solutions for video transmission over wireless networks.
84 Strobe — Towards Low Cost Soil Sensing Using Wi-Fi Jian Ding, Ranveer Chandra In this paper, we present the design and implementation of a system, called Strobe, that senses soil moisture and soil EC using RF propagation in existing Wi-Fi bands.
85 Poster: Wireless Network Functions in the Era of Low-Power IoT Akshay Gadre, Swarun Kumar We present our vision of how physical layer function virtualization should be structured to maximize benefits and performance.
86 Poster: Enhancing Capacity in Multi-hop Wireless Networks by Joint Node Units Fei Ge, Liansheng Tan, Xun Gao, Juan Luo, Wei Zhang, Ming Liu Poster: Enhancing Capacity in Multi-hop Wireless Networks by Joint Node Units
87 Poster: Hawkeye – Predictive Positioning of a Ceiling-Mounted Mobile AP in mmWave WLANs for Maximizing Line-of-sight Yubing Jian, Mohit Agarwal, Yuchen Liu, Douglas M. Blough, Raghupathy Sivakumar In this work, we make the case for a ceilingmounted mobile (CMM) AP by comparing its performance with other types of AP mobility and single static AP.
88 Poster: SeamFarm — Distributed Data Analytic for Precision Agriculture based on Seamless Computing Da-Hye Kim, Muhammad Rusyadi Ramli, Jae-Min Lee, Dong-Seong Kim This work proposes a framework for distributed data analytic for precision agriculture based on seamless computing paradigm named SeamFarm.
89 Poster: While You Were Sleeping – Time-Shifted Prefetching of YouTube Videos to Reduce Peak-time Cellular Data Usage Shruti Lall, Uma Parthavi Moravapalle, Raghupathy Sivakumar In this context, we present a time-shifted prefetching solution that prefetches content during off-peak periods of network connectivity.
90 Poster: MobiSR — Efficient On-Device Super-Resolution through Heterogeneous Mobile Processors Royson Lee, Stylianos I. Venieris, Lukasz Dudziak, Sourav Bhattacharya, Nicholas D. Lane This work presents MobiSR, a novel framework for performing efficient super-resolution on-device.
91 Poster: Edge-cloud Enhancement — Latency-aware Virtual Cluster Placement for Supporting Cloud Applications in Mobile Edge Networks Xuan Liu, Bo Cheng, Meng Wang, Junliang Chen In this paper, we investigate the problem of virtual cluster (VC) placement in MMCs, to minimize the average response latency with various requests among multiple cloud applications.
92 Poster: Video Chat Scam Detection Leveraging Screen Light Reflection Hongbo Liu, Zhihua Li, Yucheng Xie, Ruizhe Jiang, Yan Wang, Xiaonan Guo, Yingying Chen In this work, we develop a novel video chat liveness detection system, which can track the weak light changes reflected off the skin of a human face leveraging chromatic eigenspace differences.
93 Poster: Secure Visible Light Communication based on Nonlinearity of Spatial Frequency in Light Hao Pan, Lanqing Yang, Yi-Chao Chen, Guangtao Xue, Chuang-Wen You, Xiaoyu Ji, Pai-Yen Chen In this study, we address this issue by developing a novel QR code (called mQR code), which exploits patterns presenting a specific spatial frequency as a form of camouflage.
94 Poster: FlexDP-Flexible Data Plane for ENFV Amit Samanta, Xinlei Chen, Yong Li We design a flexible data plane to integrate SDN and ENFV to manage complex network services for future mobile services.
95 Poster: A Machine Learning based Hybrid Trust Management Heuristic for Vehicular Ad hoc Networks Sarah Ali Siddiqui, Adnan Mahmood, Wei Emma Zhang, Quan Z. Sheng To this end, in this manuscript, machine learning has been employed to compute the aggregate trust score for flagging and evicting of the malicious vehicles from a vehicular network.
96 Poster: In-situ Water-Quality Monitoring System through Ultraviolet Sensing Using Off-the-Shelf Cameras Nishant Sinha, Ashwin Ashok In this work, we design a low-cost mobile system that can use off-the-shelf web-cameras as an ultraviolet (UV) spectrometer.
97 Characterizing Uncertainties of Wireless Channels in Connected Vehicles Elahe Soltanaghaei, Mahmoud Elnaggar, Katie Kleeman, Kamin Whitehouse, Cody Fleming However, in this research, we demonstrate that we can robustly characterize the channel quality by mapping the multipath signals to the dynamics of the physical environment, thus controlling the trajectory of the mobile agent to a safe efficient motion path.
98 Poster: Polarization-based QAM for Visible Light Backscatter Communication Purui Wang, Yue Wu, Chenren Xu To overcome such challenges, we propose a new modulation scheme called polarization-based quadrature amplitude modulation (PQAM).
99 Poster: A Linear Programming Approach for SFC Placement in Mobile Edge Computing Meng Wang, Bo Cheng, Junliang Chen In this paper, we mainly focus on the SFC placement problem in a MEC-NFV environment, which is different from the data center network.
100 Poster: Contactless Infant Monitoring using White Noise Anran Wang, Jacob Sunshine, Shyamnath Gollakota In this poster accompanying the MobiCom 2019 paper, we describes how to enable infant monitoring capability using white noise.
101 Poster: Understanding Long-Term Mobility and Charging Evolving of Shared EV Networks Guang Wang, Desheng Zhang In this paper, we perform the first comprehensive measurement investigation called ePat to explore the evolving mobility and charging patterns of electric vehicles.
102 Poster: Causal Inference of Smartphone App Choice Zhenggui Xiang In this paper, we propose a causal inference model to analyze the reasons why a certain app is used.
103 Poster: Address Shuffling based Moving Target Defense for In-Vehicle Software-Defined Networks Seunghyun Yoon, Jin-Hee Cho, Dong Seong Kim, Terrence J. Moore, Frederica Nelson, Hyuk Lim In this work, we propose a shuffling-based moving target defense (MTD) technique aiming to disturb network reconnaissance attacks and deployed it in the proposed software-defined networking (SDN)-based in-vehicle network architecture.
104 Poster: Cross Labelling and Learning Unknown Activities Among Multimodal Sensing Data Lan Zhang, Daren Zheng, Zhengtao Wu, Mengjing Liu, Mu Yuan, Feng Han, Xiang-Yang Li We design innovative solutions for segmenting, aligning, and fusing multimodal data from different sensors.
105 Poster: Optimizing Mobile Video Telephony Using Deep Imitation Learning Anfu Zhou, Huanhuan Zhang, Guangyuan Su, Leilei Wu, Ruoxuan Ma, Zhen Meng, Xinyu Zhang, Xiufeng Xie, Huadong Ma, Xiaojiang Chen We thus propose \name, a machine learning based framework to resolve the issue.