UWB Channels and Profiles
Overview
Ultra-Wideband technology utilizes multiple frequency channels and operational profiles to optimize performance across different environments and use cases. This guide covers channel characteristics, selection criteria, and configuration recommendations.
Channel Specifications
Channel Parameters
| Channel | Center Freq (MHz) | Bandwidth (MHz) | PRF (MHz) | Power (dBm/MHz) |
|---|
| 1 | 3494.4 | 499.2 | 16/64 | -41.3 |
| 2 | 3993.6 | 499.2 | 16/64 | -41.3 |
| 3 | 4492.8 | 499.2 | 16/64 | -41.3 |
| 5 | 6489.6 | 499.2 | 16/64 | -41.3 |
| 7 | 7987.2 | 499.2 | 16/64 | -41.3 |
Frequency Distribution
Channel Characteristics
| Factor | Low Band (Ch 1-3) | High Band (Ch 5,7) |
|---|
| Range | Longer | Shorter |
| Penetration | Better | Limited |
| Precision | Good | Excellent |
| Interference | More common | Less common |
| Power needs | Lower | Higher |
Environmental Impact
Regional Compliance
Regulatory Overview
| Region | Available Channels | Power Limits | Notes |
|---|
| USA/FCC | 1,2,3,5,7 | -41.3 dBm/MHz | All bands |
| EU/CE | 5,7 | -41.3 dBm/MHz | High band only |
| Japan | 1,2,3 | -41.3 dBm/MHz | Low band only |
| China | 5,7 | -41.3 dBm/MHz | High band only |
Compliance Requirements
- Frequency restrictions
- Power limitations
- Duty cycle rules
- Certification needs
- Usage constraints
Channel Selection
Selection Process
Selection Criteria
-
Regulatory Compliance
- Regional restrictions
- Power limits
- Usage rules
- Certification
-
Environmental Factors
- Indoor/outdoor
- Building materials
- Space layout
- Obstacles
-
Performance Requirements
- Range needs
- Accuracy goals
- Update rate
- Reliability
Operating Profiles
Standard Profiles
| Profile | PRF | Data Rate | Range | Use Case |
|---|
| Default | 16 MHz | 850 kbps | 50m | General use |
| Long Range | 16 MHz | 110 kbps | 100m | Extended range |
| High Speed | 64 MHz | 6.8 Mbps | 30m | Fast updates |
| Low Power | 16 MHz | 110 kbps | 30m | Battery life |
Profile Configuration
- Channel selection
- PRF setting
- Preamble length
- SFD selection
- Data rate
Deployment Guidelines
Best Practices
-
Site Survey
- RF environment
- Coverage needs
- Interference sources
- Physical layout
-
Channel Planning
- Primary channel
- Backup channels
- Interference zones
- Power levels
-
Performance Validation
- Range testing
- Accuracy checks
- Update rates
- Reliability
Channel selection significantly impacts system performance. Always verify regulatory compliance and conduct thorough site surveys before deployment.
Contact Locus support for detailed channel planning assistance and region-specific deployment recommendations.
