Related Experiment Video
Updated: Nov 27, 2025
07:49
Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
Published on: November 26, 2019
8.3K
LoRa Architecture for V2X Communication: An Experimental Evaluation with Vehicles on the Move
Khandaker Foysal Haque1, Ahmed Abdelgawad1, Venkata Prasanth Yanambaka1
1College of Science and Engineering, Central Michigan University, Mount Pleasant, MI 48859, USA.
Sensors (Basel, Switzerland)
|December 4, 2020
Summary
A new device-to-device (D2D) architecture using LoRa technology enhances vehicle safety and autonomous driving. This system offers reliable, low-latency communication between vehicles (V2V) and infrastructure (V2I).
Area of Science:
- Electrical Engineering
- Computer Science
- Transportation Engineering
Background:
- Increased vehicle numbers necessitate advanced safety solutions.
- Vehicle-to-Everything (V2X) communication is crucial for autonomous systems.
- Existing V2X architectures face challenges in reliability and efficiency.
Purpose of the Study:
- To propose a novel device-to-device (D2D) based V2X communication architecture.
- To enhance reliability, robustness, and energy efficiency in V2X systems.
- To leverage LoRa wireless technology for direct vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communication.
Main Methods:
- Implementation of a D2D communication approach, bypassing LoRa WAN servers for reduced latency.
- Development of a modular and compact V2X architecture compatible with legacy systems.
- Testing and analysis of the proposed system's performance at various vehicle speeds (15-50 kmph).
Main Results:
- The proposed architecture enables reliable V2X communication at speeds from 15 to 50 kmph.
- Direct V2V and V2I communication significantly reduces data transmission latency.
- The system demonstrated reliable data packet transmission at specified intervals based on speed.
Conclusions:
- The D2D-based LoRa V2X architecture provides a reliable, robust, and energy-efficient solution.
- The proposed system is suitable for enhancing safety in current and future transportation systems.
- The modular design ensures easy integration, making it ideal for upgrading existing infrastructure.
Related Concept Videos
01:30Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
265
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
265
01:17Rolling Resistance: Problem Solving
641
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
641
01:10Design Example: Measuring Distance Between Two Points with Obstructions
248
When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
248
01:30Types of Global Positioning System Surveys
197
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
197
01:24Comparison between RL and RC circuits
5.5K
An RC circuit consists of resistance and capacitance, while in an RL circuit, capacitance is replaced by an inductor. RL and RC circuits are first-order differential circuits that store energy. An RC circuit stores energy in the electric field, while an RL circuit stores energy in the magnetic field. When connected to a battery, an RC circuit charges the capacitor, causing the current to decrease from maximum to zero upon being fully charged. This increases the voltage across the capacitor from...
5.5K
01:17Design Example: Alignment of a Road Line Using GIS
201
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
201