Apr 8, 2025
Technical Development History of Dedicated Short-Range Communications (DSRC) in Electric Bicycle IoT (2010-2020)
The EcoE 5000W electric bike
Powerful Motor: EcoE is equipped with a 60V 5000W high-speed brushless motor. Due to different loads and road conditions, the electric bike drive system provides adjustable assistance, allowing you to stay healthy, relax, and exercise.
Accessories: This electric bike accessory set includes a rearview mirror, water bottle holder and bottle, a sturdy phone mount, and a waterproof phone pouch. The reinforced cargo rack allows you to easily carry extra items needed for your ride. Additionally, if you need more accessories, you can purchase a detachable storage rack, passenger safety seat, trailer, and more.
60V 32AH Battery: The bike is equipped with a high-capacity, removable 32AH battery, providing longer range per charge and over 1000 charge cycles. With pedal assist, the fat tire e-bike can travel 35-80 miles, depending on riding mode, load, and terrain. You can also purchase a spare battery for extended trips.
Comfort and Versatility: This fat tire electric bike comes with dual front suspension and rear shocks to reduce impact and strain during rides. Its 26-inch wheels, 4-inch tires, and SHIM 7-speed system offer excellent grip across diverse terrains. Front and rear disc brakes ensure safe, responsive stopping, whether on mountain trails or city streets.
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1. Technical Background and Core Evolution
The 2010-2020 period marked the transition of DSRC (Dedicated Short-Range Communications) technology from standardization to large-scale application. Based on the IEEE 802.11p protocol, DSRC enables low-latency communication between vehicles and infrastructure (V2I) or other vehicles (V2V), primarily for intelligent transportation systems (ITS). In the electric bicycle sector, DSRC exploration focused on low-power design, cost control, and scenario adaptation, but practical applications remained pilot-driven due to fragmented industry standards and commercialization challenges.
2. Key Technical Development Stages
| Time Period | Technology | Technical Features | Application Scenarios | Technical Bottlenecks |
|---|---|---|---|---|
| 2010-2015 | DSRC Standardization & Piloting | Based on IEEE 802.11p (5.8 GHz), supporting 6-27 Mbps data rate and 100-300m communication range. | Electronic toll collection (ETC), traffic signal optimization. | High module cost (>¥200), high power consumption (5-10 W), lack of e-bike-specific standards. |
| 2015-2020 | DSRC & IoT Integration | Integrated GPS, sensors, and V2X protocols (e.g., WAVE, C-ITS). | Vehicle anti-theft tracking, shared e-bike dispatch. | Fragmented standards (China’s C-V2X vs. EU/US DSRC), insufficient real-time performance (>100 ms latency). |
3. E-Bike-Specific Technical Exploration
| Technical Dimension | Technical Solution | Typical Case | Limitations |
|---|---|---|---|
| Communication Protocol | Simplified IEEE 802.11p stack | Shenzhen shared e-bike DSRC pilot (2018). | Poor compatibility, lack of industry-wide standards. |
| Low-Power Design | Sleep-wake mechanism + solar power | Yamaha e-bike DSRC prototype (2019). | Limited battery life (<8 hours). |
| Cost Control | Integrated OBU+GPS modules | Huawei low-cost DSRC module (~¥150, 2020). | Difficulty in mass production, low market acceptance. |
4. Technical Parameter Comparison
| Technical Indicator | DSRC (2010-2015) | DSRC (2015-2020) | Alternative Technology (LTE-V2X) |
|---|---|---|---|
| Data Rate | 6-12 Mbps | 12-27 Mbps | 10-100 Mbps |
| Latency | 100-300 ms | 50-100 ms | 30-50 ms |
| Power Consumption | 5-10 W | 3-5 W | 2-3 W |
| Coverage | 100-300 m | 200-500 m | 500-1000 m |
| Typical Applications | ETC, traffic signaling | Shared e-bike dispatch | Real-time video streaming, vehicle-road coordination |
5. Policy and Industry Catalysts
- Global Developments:
- The U.S. 2016 ITS Strategic Plan (2015-2019) designated DSRC as a core V2X technology 5.
- The EU launched C-ITS standardization in 2017, promoting DSRC-LTE-V2X convergence 6.
- China’s Progress:
- MIIT included DSRC in IoT standards in 2016; Shenzhen conducted shared e-bike DSRC pilots in 2018 18.
- Huawei and Jinyi Technology released low-cost DSRC modules in 2020 to drive cost reduction 18.
6. Historical Significance and Future Impact
- Technology Accumulation: DSRC provided protocol frameworks and scenario validation for subsequent 5G NR-V2X (e.g., PC5 interface).
- Application Insights: E-bike DSRC trials highlighted low-power design and cost control as critical challenges.
- Policy Gaps: Lack of e-bike-specific standards hindered technical adaptation (e.g., insufficient battery life)
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The EcoE 5000W electric bike Powerful Motor: EcoE is equipped with a 60V 5000W high-speed brushless motor. Due to different loads and road conditions, the electric bike drive system provides adjustable assistance, allowing you to stay healthy, relax, and exercise.Accessories: This electric bike accessory set includes a rearview mirror, water bottle holder and bottle, a sturdy phone mount, and a waterproof phone pouch. The reinforced cargo rack allows you to easily carry extra items needed for your ride. Additionally, if you need more accessories, you can purchase a detachable storage rack, passenger safety seat, trailer, and more.60V 32AH Battery: The bike is equipped with a high-capacity, removable 32AH battery, providing longer range per charge and over 1000 charge cycles. With pedal assist, the fat tire e-bike can travel 35-80 miles, depending on riding mode, load, and terrain. You can also purchase a spare battery for extended trips.Comfort and Versatility: This fat tire electric bike comes with dual front suspension and rear shocks to reduce impact and strain during rides. Its 26-inch wheels, 4-inch tires, and SHIM 7-speed system offer excellent grip across diverse terrains. Front and rear disc brakes ensure safe, responsive stopping, whether on mountain trails or city streets. – Battery Types and Performance Parameters The maximum speed of e-bikes is influenced by battery energy density, voltage, and discharge rate. Below is a comparison of different battery types and their speed impacts: Battery Type Energy Density (Wh/kg) Voltage (V) Capacity (Ah) Weight (kg) Cycle Life (Cycles) Speed Impact Pros & Cons Lead-Acid 30–40 48 12–20 25–35 300–500 Low energy density increases weight, limiting acceleration; poor cold-weather performance (30% range drop in winter)67. Low cost, high safety; bulky and short lifespan. Lithium-ion 150–250 48–72 10–30 3–8 800–1500 High energy density reduces weight, enabling higher power output; fast-charging improves stability78. Lightweight, long lifespan; expensive and […]
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Development History of Maximum Speed for Electric Bicycles (1960s–1990s)
The EcoE 5000W electric bike Powerful Motor: EcoE is equipped with a 60V 5000W high-speed brushless motor. Due to different loads and road conditions, the electric bike drive system provides adjustable assistance, allowing you to stay healthy, relax, and exercise.Accessories: This electric bike accessory set includes a rearview mirror, water bottle holder and bottle, a sturdy phone mount, and a waterproof phone pouch. The reinforced cargo rack allows you to easily carry extra items needed for your ride. Additionally, if you need more accessories, you can purchase a detachable storage rack, passenger safety seat, trailer, and more.60V 32AH Battery: The bike is equipped with a high-capacity, removable 32AH battery, providing longer range per charge and over 1000 charge cycles. With pedal assist, the fat tire e-bike can travel 35-80 miles, depending on riding mode, load, and terrain. You can also purchase a spare battery for extended trips.Comfort and Versatility: This fat tire electric bike comes with dual front suspension and rear shocks to reduce impact and strain during rides. Its 26-inch wheels, 4-inch tires, and SHIM 7-speed system offer excellent grip across diverse terrains. Front and rear disc brakes ensure safe, responsive stopping, whether on mountain trails or city streets. – 1960s–1970s: Experimental Exploration 1980s: Commercialization and Technical Improvements 1990s: Technological Leap and Market Emergence 表格：关键发展节点（1960s–1990s） Period Technical Advancements Max Speed (km/h) Notable Models/Technologies Impact & Significance 1960s First experimental designs 15–18 Curtiss-Wright prototype Validated electric propulsion 1970s Initial lead-acid battery adoption 18–22 Early prototypes Explored urban commuting potential 1983 China’s first mass-produced e-bike 20–25 Yongjiu DX-130 Launched China’s e-bike market 1989 Yamaha’s brushless motors & NiMH 30 Yamaha EN-1 prototype Set technical benchmarks 1993 Nickel-cadmium batteries commercialized 32–35 Yamaha EN-1 production version Extended range to 50 km in Europe 1998 Lightweight design in China (Daluge) 38–40 Daluange lightweight models Enabled mass production
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