UHF Bandı FHSS'de Havadan Radyo Veri Bağlantısı

Havadan Radyo Veri Bağlantısı Gereksinimi:

Frekans Bandı: Sadece UHF Bandı (225mhz~470 mhz) veya (320mhz~470 mhz)

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

Range Distance: 150~200km
Düşük Gecikme: 2~5 ms
RF output Power: 5~10w
Şifreleme: AES256
Receive Sensitivity: -110 dBm

Giriş: 2xRS232 (max Baudrate: 115200bps)

Only Serial Data Input (No Video Interface)

Mod: Point To MultiPoint (1To10)

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

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

Çalışma Gerilimi: 12-36DC'de
Maximum acceleration: 4G
Airspeed: <1000 km/saat
Without any GNSS , Wifi, 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. Sıklık & Modülasyon

• Bant: UHF (225–470 MHz) veya narrowed (320–470 MHz).
• Hopping:
  • Adım: 50–100 MHz.
  • FHSS Rate: 500–1000 hops/sec.
• Anti-Jamming: Integrated with Intelligent Frequency Selection (IFS) for dynamic interference avoidance.

2. Performance Specifications

• Menzil: 150–200 km.
• Gecikme: Ultra-low (2–5 ms).
• RF Power: 5–10 W.
• Şifreleme: AES256.
• Hassasiyet: -110 dBm (alıcı).

3. Communication Architecture

• Mod: Noktadan Çoklu Noktaya (1 GCS ↔ 10 İHA'lar).
• Topoloji: STAR architecture (no mesh).
• Duplex: Full-duplex between GCS (usta) and UAVs (clients).
• Swarm Operation: Destekler 10 UAVs flying simultaneously in close proximity.

4. Arayüzler

• Giriş:
  • İHA: 2x RS232 per unit (maksimum 115,200 bps).
  • GCS: 20x RS232 (aggregate for 10 İHA'lar).
• Exclusions: No video, GNSS, Wifi, or Bluetooth interfaces.

5. Çevresel & Operational

• Gerilim: 12–36V DC.
• Sağlamlık:
  • Withstands 4g acceleration and airspeeds <1000 km/saat.
  • Operates in GNSS-denied environments.

6. Miktar

• Units: 200–250 systems.

---

Key Design Highlights

• Anti-Jamming & IFS: Critical for reliability in contested/swarm environments.
• Düşük Gecikme: 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 foryüksek hızlı, güvenli, swarm-based UAV operations in challenging conditions.