UHF 频段 FHSS 机载无线电数据链

机载无线电数据链要求:

频带: 仅限 UHF 频段 (225兆赫~470兆赫) 或者 (320兆赫~470兆赫)

跳跃步: 50~100mhz
FHSS rate: 500~1000 Hop/s
With IFS (Intelligent Frequency Selection)
And Anti-Jamming

Range Distance: 150~200km
低延迟: 2~5 ms
RF output Power: 5~10w
加密: AES256
Receive Sensitivity: -110 分贝

输入: 2xRS232 (max Baudrate: 115200基点)

Only Serial Data Input (No Video Interface)

模式: Point To MultiPoint (1To10)

The GCS (Master) Connect Full-Duplex To 10 无人机 (Clients)

The UAV fly simultaneously next to each other. as SWARM.

Working Voltage: 12-36在直流
Maximum acceleration: 4克
Airspeed: <1000 公里/小时
Without any GNSS , 无线上网, BT

Requirment Number: 200~250unit

With STAR architecture, we don’t need mesh.

We want to control 10 Uav by one GCS, Every UAV has 2xRS232, in Ground side, we have 20xRS232, Point to MultiPoint only.

Airborne Radio Data Link System Requirements Summary

1. 频率 & 调制

• 乐队: 超高频 (225–470 MHz) 或者 narrowed (320–470 MHz).
• Hopping:
  • 步: 50–100 MHz.
  • FHSS Rate: 500–1000 hops/sec.
• Anti-Jamming: Integrated with Intelligent Frequency Selection (IFS) for dynamic interference avoidance.

2. Performance Specifications

• 范围: 150–200 km.
• 延迟: Ultra-low (2–5 ms).
• RF Power: 5–10 W.
• 加密: AES256.
• 灵敏度: -110 分贝 (接收者).

3. Communication Architecture

• 模式: Point-to-Multipoint (1 GCS ↔ 10 无人机).
• 拓扑结构: STAR architecture (no mesh).
• Duplex: Full-duplex between GCS (master) and UAVs (clients).
• Swarm Operation: 支持 10 UAVs flying simultaneously in close proximity.

4. 接口

• 输入:
  • 无人机: 2x RS232 per unit (最大限度 115,200 基点).
  • 地面站: 20x RS232 (aggregate for 10 无人机).
• Exclusions: No video, 全球导航卫星系统, 无线上网, or Bluetooth interfaces.

5. 环境的 & Operational

• 电压: 12–36V DC.
• Robustness:
  • Withstands 4g acceleration and airspeeds <1000 公里/小时.
  • Operates in GNSS-denied environments.

6. 数量

• Units: 200–250 systems.

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Key Design Highlights

• Anti-Jamming & IFS: Critical for reliability in contested/swarm environments.
• 低延迟: Enables real-time swarm control.
• STAR Topology: Simplifies network management (centralized GCS control).
• Legacy Compatibility: RS232 interfaces prioritize simplicity and backward compatibility.

This system is tailored for高速, secure, swarm-based UAV operations in challenging conditions.