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Taking 5G RAN Analytics and Control to a New Level
Open RAN, a modular and disaggregated design paradigm for 5G radio access networks (RAN), promises programmability through the RAN Intelligent Controller (RIC). However, due to latency and safety challenges, the telemetry and control provided by the ...
Wireless Actuation for Soft Electronics-free Robots
This paper proposes a new primitive that allows soft robots to be physically controlled in a completely non-line-of-sight context using wireless energy - a process we call wireless actuation. Soft robots, which are composed entirely of soft materials ...
Towards Spatial Selection Transmission for Low-end IoT devices with SpotSound
This paper tries to answer a question: "Can we achieve spatial-selective transmission on IoT devices?" A positive answer would enable more secure data transmission among IoT devices. The challenge, however, is how to manipulate signal propagation ...
QfaR: Location-Guided Scanning of Visual Codes from Long Distances
Visual codes such as QR codes provide a low-cost and convenient communication channel between physical objects and mobile devices, but typically operate when the code and the device are in close physical proximity. We propose a system, called QfaR, which ...
CA++: Enhancing Carrier Aggregation Beyond 5G
Carrier aggregation (CA) is an important component technology in 5G and beyond. It aggregates multiple spectrum fragments to serve a mobile device. However, the current CA suffers under both high mobility and increased spectrum space. The limitations ...
DroidPerf: Profiling Memory Objects on Android Devices
Optimizing performance inefficiencies in memory hierarchies is well-known for native languages, such as C and C++. There are few studies, however, on exploring memory inefficiencies in Android Runtime (ART). Running in ART, managed languages, such as ...
A Handheld Fine-Grained RFID Localization System with Complex-Controlled Polarization
There is much interest in fine-grained RFID localization systems. Existing systems for accurate localization typically require infrastructure, either in the form of extensive reference tags or many antennas (e.g., antenna arrays) to localize RFID tags ...
Experience: A Three-Year Retrospective of Large-scale Multipath Transport Deployment for Mobile Applications
Multipath transport allows the simultaneous use of diverse paths on mobile devices to maximize mobile resource usage. Over the years, we have witnessed several mobile multipath deployment examples by network operators and mobile app providers. However, ...
Battery-free Wideband Spectrum Mapping using Commodity RFID Tags
This paper introduces RFIMap, a system that aims to inexpensively characterize the spatial and temporal distribution of RF spectrum occupancy of any indoor space at fine granularity (tens of centimeters). RFIMap builds rich wide-band indoor spectrum ...
Fast, Fine-grained, and Robust Grouping of RFIDs
This paper presents the design, implementation, and evaluation of TaGroup, a fast, fine-grained, and robust grouping technique for RFIDs. It can achieve a nearly 100% accuracy in distinguishing multiple groups of closely located RFIDs, within only a ...
GPSMirror: Expanding Accurate GPS Positioning to Shadowed and Indoor Regions with Backscatter
Despite the prevalence of GPS services, they still suffer from intermittent positioning with poor accuracy in partially shadowed regions like urban canyons, flyover shadows, and factories' indoor areas. Existing wisdom relies on hardware modifications ...
RF-SIFTER: Sifting Signals at Layer-0.5 to Mitigate Wideband Cross-Technology Interference for IoT
IoT uplink performance is crucial for a wide variety of IoT applications such as health sensing and industrial control, which demand reliable delivery of sensor data to the cloud. However, due to the limited transmission power budget imposed on many ...
Re-thinking computation offload for efficient inference on IoT devices with duty-cycled radios
While a number of recent efforts have explored the use of "cloud offload" to enable deep learning on IoT devices, these have not assumed the use of duty-cycled radios like BLE. We argue that radio duty-cycling significantly diminishes the performance ...
XCopy: Boosting Weak Links for Reliable LoRa Communication
LoRaWAN suffers dramatic performance degradation over a long communication range due to signal attenuation and blockages. To ensure reliable data transfer, LoRaWAN adopts retransmission mechanism where an unacknowledged packet is retransmitted ...
AutoFed: Heterogeneity-Aware Federated Multimodal Learning for Robust Autonomous Driving
Object detection with on-board sensors (e.g., lidar, radar, and camera) is crucial to autonomous driving (AD), and these sensors complement each other in modalities. While crowdsensing may potentially exploit these sensors (of huge quantity) to derive ...
SWAM: Revisiting Swap and OOMK for Improving Application Responsiveness on Mobile Devices
Existing memory reclamation policies on mobile devices may be no longer valid because they have negative effects on the response time of running applications. In this paper, we propose SWAM, a new integrated memory management technique that ...
A Networking Perspective on Starlink's Self-Driving LEO Mega-Constellation
- Yuanjie Li,
- Hewu Li,
- Wei Liu,
- Lixin Liu,
- Wei Zhao,
- Yimei Chen,
- Jianping Wu,
- Qian Wu,
- Jun Liu,
- Zeqi Lai,
- Han Qiu
Low-earth-orbit (LEO) satellite mega-constellations, such as SpaceX Starlink, are under rocket-fast deployments and promise broadband Internet to remote areas that terrestrial networks cannot reach. For mission safety and sustainable uses of space, ...
Softly, Deftly, Scrolls Unfurl Their Splendor: Rolling Flexible Surfaces for Wideband Wireless
With new frequency bands opening up, emerging wireless IoT devices are capitalizing on an increasingly divergent range of frequencies. However, existing coverage provisioning practice is often tied to specific standards and frequencies. There is ...
A Workload-Aware DVFS Robust to Concurrent Tasks for Mobile Devices
Power governing is a critical component of modern mobile devices, reducing heat generation and extending device battery life. A popular technology of power governing is dynamic voltage and frequency scaling (DVFS), which adjusts the operating frequency ...
FarfetchFusion: Towards Fully Mobile Live 3D Telepresence Platform
We present FarfetchFusion, a fully mobile live 3D telepresence system. Enabling mobile live telepresence is a challenging problem as it requires i) realistic reconstruction of the user and ii) high responsiveness for immersive experience. We first ...
UniScatter: a Metamaterial Backscatter Tag for Wideband Joint Communication and Radar Sensing
Millimeter-wave backscatter can simultaneously support high-precision sensing and massive communication and represent one prominent technical evolution in next-generation wireless systems. The backscatter tags should ideally work across a wide mmWave ...
MagCode: NFC-Enabled Barcodes for NFC-Disabled Smartphones
Mobile payment has achieved explosive growth in recent years due to its contactless feature, which lowers the infection risk of COVID-19. In the market, near-field communication (NFC) and barcodes have become the de facto standard technologies for ...
mmFER: Millimetre-wave Radar based Facial Expression Recognition for Multimedia IoT Applications
Facial expression recognition plays a vital role to enable emotional awareness in multimedia Internet of Things applications. Traditional camera or wearable sensor based approaches may compromise user privacy or cause discomfort. Recent device-free ...
Transmitting, Fast and Slow: Scheduling Satellite Traffic through Space and Time
Earth observation Low Earth Orbit (LEO) satellites collect enormous amounts of data that needs to be transferred first to ground stations and then to the cloud, for storage and processing. Satellites today transmit data greedily to ground stations, ...
CoreKube: An Efficient, Autoscaling and Resilient Mobile Core System
Given the central role mobile core plays in supporting mobile network operations, the efficiency, cost-effective dynamic scalability and resilience of the core control plane are paramount. Achieving these goals, however, presents two main challenges: (...
NeuriCam: Key-Frame Video Super-Resolution and Colorization for IoT Cameras
We present NeuriCam, a novel deep learning-based system to achieve video capture from low-power dual-mode IoT camera systems. Our idea is to design a dual-mode camera system where the first mode is low power (1.1 mW) but only outputs grey-scale, low ...
NeRF2: Neural Radio-Frequency Radiance Fields
Although Maxwell discovered the physical laws of electromagnetic waves 160 years ago, how to precisely model the propagation of an RF signal in an electrically large and complex environment remains a long-standing problem. The difficulty is in the ...
AdaptiveNet: Post-deployment Neural Architecture Adaptation for Diverse Edge Environments
Deep learning models are increasingly deployed to edge devices for real-time applications. To ensure stable service quality across diverse edge environments, it is highly desirable to generate tailored model architectures for different conditions. ...
MetaStream: Live Volumetric Content Capture, Creation, Delivery, and Rendering in Real Time
While recent work explored streaming volumetric content on-demand, there is little effort on live volumetric video streaming that bears the potential of bringing more exciting applications than its on-demand counterpart. To fill this critical gap, in ...
AccuMO: Accuracy-Centric Multitask Offloading in Edge-Assisted Mobile Augmented Reality
Immersive applications such as Augmented Reality (AR) and Mixed Reality (MR) often need to perform multiple latency-critical tasks on every frame captured by the camera, which all require results to be available within the current frame interval. ...
Index Terms
- Proceedings of the 29th Annual International Conference on Mobile Computing and Networking
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Acceptance Rates
Year | Submitted | Accepted | Rate |
---|---|---|---|
MobiCom '18 | 187 | 42 | 22% |
MobiCom '17 | 186 | 35 | 19% |
MobiCom '16 | 226 | 31 | 14% |
MobiCom '15 | 207 | 38 | 18% |
MobiCom '14 | 220 | 36 | 16% |
MobiCom '13 | 207 | 28 | 14% |
MobiCom '03 | 281 | 27 | 10% |
MobiCom '02 | 364 | 26 | 7% |
MobiCom '01 | 281 | 30 | 11% |
MobiCom '00 | 226 | 28 | 12% |
MobiCom '99 | 170 | 28 | 16% |
MobiCom '98 | 147 | 27 | 18% |
MobiCom '97 | 101 | 26 | 26% |
MobiCom '96 | 90 | 18 | 20% |
MobiCom '95 | 79 | 20 | 25% |
Overall | 2,972 | 440 | 15% |