helpResearch questionWiFi Fingerprinting and Indoor Localization
How can the ranging precision limit of commercial ultra-wideband (UWB) devices be broken to reach millimeter or sub-millimeter accuracy?Direction: Sensing, Recognition, and Prediction Methods
WiFi Fingerprinting and Indoor Localization
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2024
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40 items
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can signal phase information resolve phase drift and phase ambiguity in existing UWB devices?helpResearch questionWiFi Fingerprinting and Indoor Localization
How can UWB ranging error be further reduced under bandwidth constraints?lightbulbPractical problemWiFi Fingerprinting and Indoor Localization
Indoor positioning, handwriting tracking, and similar scenarios require higher-precision ranging technology.helpResearch questionWiFi Fingerprinting and Indoor Localization
How can graph attention mechanisms effectively localize in multi-user collaboration or single-user multi-timestamp scenarios?helpResearch questionWiFi Fingerprinting and Indoor Localization
How can infrastructure-free signals (e.g., geomagnetic signals) improve indoor localization accuracy through collaborative mechanisms?helpResearch questionWiFi Fingerprinting and Indoor Localization
How can multi-model fusion strategies improve indoor localization robustness in high-noise environments?lightbulbPractical problemWiFi Fingerprinting and Indoor Localization
Traditional indoor localization methods struggle to balance accuracy and efficiency and are highly environment-dependent.helpResearch questionWiFi Fingerprinting and Indoor Localization
How can GPS signals near windows be used to correct indoor inertial measurement errors?helpResearch questionWiFi Fingerprinting and Indoor Localization
How can GPS landmark-based indoor localization be combined with pedestrian trajectory prediction and map matching to improve accuracy?helpResearch questionWiFi Fingerprinting and Indoor Localization
How can an indoor navigation solution be designed without additional hardware installation or environmental training data?lightbulbPractical problemWiFi Fingerprinting and Indoor Localization
Users cannot accurately localize indoors, and existing methods are costly and require additional hardware.helpResearch questionWiFi Fingerprinting and Indoor Localization
How can spectral information of light (wavelength distribution) be used for indoor positioning?UbiComp '23Spectral-Loc: Indoor Localization Using Light Spectral Information (Spectral-Loc: Indoor Localization Based on Spectral Information)
helpResearch questionWiFi Fingerprinting and Indoor Localization
Can spectral fingerprinting provide high-precision indoor positioning without modifying light sources?UbiComp '23Spectral-Loc: Indoor Localization Using Light Spectral Information (Spectral-Loc: Indoor Localization Based on Spectral Information)
helpResearch questionWiFi Fingerprinting and Indoor Localization
How does spectral information technology perform in complex environments compared to traditional intensity-based methods?UbiComp '23Spectral-Loc: Indoor Localization Using Light Spectral Information (Spectral-Loc: Indoor Localization Based on Spectral Information)
lightbulbPractical problemWiFi Fingerprinting and Indoor Localization
Users experience insufficient indoor positioning accuracy with signal interference in settings such as office buildings and shopping malls.UbiComp '23Spectral-Loc: Indoor Localization Using Light Spectral Information (Spectral-Loc: Indoor Localization Based on Spectral Information)
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can standard LoRaWAN uplink frames enable efficient indoor localization without device modifications?UbiComp '22ILLOC: In-Hall Localization with Standard LoRaWAN Uplink Frames
helpResearch questionWiFi Fingerprinting and Indoor Localization
How do micro-narrowband signals and multipath effects affect indoor localization accuracy, and how can differential phase sampling (DPS) address them?UbiComp '22ILLOC: In-Hall Localization with Standard LoRaWAN Uplink Frames
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can nanosecond-level time synchronization among devices be ensured without high synchronization costs?UbiComp '22ILLOC: In-Hall Localization with Standard LoRaWAN Uplink Frames
lightbulbPractical problemWiFi Fingerprinting and Indoor Localization
IoT devices lack low-power, easy-to-deploy solutions for precise indoor localization.UbiComp '22ILLOC: In-Hall Localization with Standard LoRaWAN Uplink Frames
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can multipath reflections be used to achieve reliable non-line-of-sight (NLoS) localization in complex indoor environments?UbiComp '22Toward Reliable Non-Line-of-Sight Localization Using Multipath Reflections
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can multidimensional parameters (e.g., angle of arrival, angle of azimuth, time of flight) be accurately extracted and utilized for localization?UbiComp '22Toward Reliable Non-Line-of-Sight Localization Using Multipath Reflections
helpResearch questionWiFi Fingerprinting and Indoor Localization
Can high-precision target localization be achieved when all line-of-sight paths are blocked?UbiComp '22Toward Reliable Non-Line-of-Sight Localization Using Multipath Reflections
lightbulbPractical problemWiFi Fingerprinting and Indoor Localization
Traditional indoor localization technologies have low accuracy in complex environments and fail when line-of-sight is blocked.UbiComp '22Toward Reliable Non-Line-of-Sight Localization Using Multipath Reflections
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can indoor positioning across several meters be achieved with only one speaker and one microphone?UbiComp '21EchoSpot: Spotting Your Locations via Acoustic Sensing
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can 2D position be determined by combining wall reflection and human reflection signals?UbiComp '21EchoSpot: Spotting Your Locations via Acoustic Sensing
helpResearch questionWiFi Fingerprinting and Indoor Localization
Which techniques can reduce multipath effects and measurement errors on positioning accuracy?UbiComp '21EchoSpot: Spotting Your Locations via Acoustic Sensing
lightbulbPractical problemWiFi Fingerprinting and Indoor Localization
Indoor GPS signals are poor; existing positioning methods are expensive, complex, and pose privacy risks.UbiComp '21EchoSpot: Spotting Your Locations via Acoustic Sensing
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can domain adaptation address WiFi fingerprint inconsistency to improve device-free indoor positioning accuracy?UbiComp '21DAFI: WiFi-based Device-free Indoor Localization via Domain Adaptation
helpResearch questionWiFi Fingerprinting and Indoor Localization
Can aligning both marginal and conditional feature distributions improve WiFi positioning stability?UbiComp '21DAFI: WiFi-based Device-free Indoor Localization via Domain Adaptation
helpResearch questionWiFi Fingerprinting and Indoor Localization
Can extending domain adaptation to category-level operations further optimize target-domain positioning performance?UbiComp '21DAFI: WiFi-based Device-free Indoor Localization via Domain Adaptation
lightbulbPractical problemWiFi Fingerprinting and Indoor Localization
Indoor environment changes cause WiFi positioning accuracy to drop sharply, affecting smart scenario applications.UbiComp '21DAFI: WiFi-based Device-free Indoor Localization via Domain Adaptation
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can merchant smartphones serve as anchors for large-scale, low-cost indoor positioning?UbiComp '21SmartLOC: Indoor Localization with Smartphone Anchors for On-Demand Delivery
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can deep learning models address key challenges of merchant mobility on indoor positioning accuracy?UbiComp '21SmartLOC: Indoor Localization with Smartphone Anchors for On-Demand Delivery
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can BLE signal encounter detection and shop graph embedding improve positioning accuracy for merchants and couriers?UbiComp '21SmartLOC: Indoor Localization with Smartphone Anchors for On-Demand Delivery
lightbulbPractical problemWiFi Fingerprinting and Indoor Localization
Couriers in large malls cannot be precisely located, reducing delivery efficiency.UbiComp '21SmartLOC: Indoor Localization with Smartphone Anchors for On-Demand Delivery
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can multi-user small-scale indoor passive localization be achieved without user participation or complex infrastructure?UbiComp '21We Hear Your PACE: Passive Acoustic Localization of Multiple Walking Persons
helpResearch questionWiFi Fingerprinting and Indoor Localization
Can footstep impact sounds be used to improve multi-user passive localization accuracy?UbiComp '21We Hear Your PACE: Passive Acoustic Localization of Multiple Walking Persons
helpResearch questionWiFi Fingerprinting and Indoor Localization
How can effective footstep separation and user identification be achieved in low-SNR and multi-environment scenarios?UbiComp '21We Hear Your PACE: Passive Acoustic Localization of Multiple Walking Persons
lightbulbPractical problemWiFi Fingerprinting and Indoor Localization
Multi-user indoor localization is difficult when users are unwilling or unable to wear devices.UbiComp '21We Hear Your PACE: Passive Acoustic Localization of Multiple Walking Persons
Related papers
UbiComp 2024
Push the Limit of Highly Accurate Ranging on Commercial UWB Devices
Junqi Ma, Fusang Zhang, Beihong Jin
UbiComp 2023
GC-Loc: A Graph Attention Based Framework for Collaborative Indoor Localization Using Infrastructure-free Signals
Tao He, Qun Niu, Ning Liu
UbiComp 2023
GPS-assisted Indoor Pedestrian Dead Reckoning
Heng Zhou, Takuya Maekawa
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