I. In-depth analysis of WiFi 6E technology

1.1 Core specification upgrade

Key technology breakthroughs:

• 6GHz spectrum opening: Additional 1200 MHz bandwidth (5.925-7.125 GHz)
• Multilink Operation (MLO): Simultaneous aggregation of 2.4/5/6 GHz bands
• Target Wake-up Time (TWT): Terminal power consumption reduction 30%

1.2 RF Front-End Design Challenges

• Front-end module (FEM) upgrade::
  • Power amplifier (PA) supporting 6GHz
  • Low loss switching (insertion loss < 0.5dB)
• Antenna system innovations::
  • 4×4 MIMO Smart Antenna Array
  • Beamforming accuracy improved to 1° level

Second, WPC wireless charging standard evolution

2.1 Qi v2.0 Key Improvements

• Magnetic Power Distribution: Chart Code Download 5W BPP15W EPP30W Extended Power
• new feature::
  • Dynamic power adjustment (±1W accuracy)
  • Foreign Object Detection (FOD) sensitivity increased by 5 times
  • Charging efficiency up to 79% (15W operating condition)

2.2 Multi-device charging program

• Free positioning in space::
  • 3D coil matrix design (19×19 array)
  • ±15mm horizontal tolerance
• Dual device synchronized charging::
  • Dynamic power allocation (master device priority)
  • Cross-communication to avoid interference

III. Design options for interface integration

3.1 Composite structural layout

Typical configuration of a smartphone:

make a copy of

downloading

[equipment top]
┌───────────────┐
│ WiFi 6E Antenna Array │
│ (4×6GHz patch antenna) │
├───────────────┤
│ Wireless Charging Receiving Coil │
│ (DDQ 18μm copper wire) │
└───────────────┘

3.2 Electromagnetic compatibility solutions

• Interference suppression measures::
  • Frequency isolation: charging frequency (110-205kHz) is separated from the WiFi band
  • Shielded design:
    • Nanocrystalline magnetic shield (thickness 0.1mm)
    • Grounding grid spacing <λ/10
• Thermal Management Optimization::
  • Graphene heat sink (thermal conductivity 5300W/mK)
  • Temperature monitoring point spacing 5mm

IV. Terminal application realization

4.1 Flagship Mobile Phone Design Case

• Component Layout: Chart Code Download SoCWiFi6E/BT Combo Chip Charge Management IC RF Switch Matrix 3D Charging Coil
• Performance indicators::
  • WiFi throughput: 8.4Gbps (measured)
  • Wireless charging: 15W (efficiency 78%)
  • Space occupation: <65mm²

4.2 Smart Home Integration Program

• Multi-Protocol Gateway Design::
  • Synchronization support:
    • WiFi 6E Backhaul
    • Wireless power for devices (5W)
  • Communication-charging timing control: python copy download def time_slot(): if charging_phase: pause_wifi_tx() else: resume_wifi_tx()

V. Testing and certification points

5.1 WiFi 6E certification requirements

• RF Conformance Testing::
  • Spectrum mask conforms to FCC Part 15.407
  • Adjacent Channel Leakage Ratio (ACLR) <-32dB
• Performance Verification::
  • Multi-user OFDMA efficiency >80%
  • 160MHz channel stability test

5.2 Qi v2.0 authentication process

• Key test items::
  • Power fluctuation (<±5%)
  • FOD detection success rate (>99.9%)
  • Temperature rise limit (ΔT<22°C)

VI. Next-generation technology foresight

6.1 WiFi 7 preparation

• Key technologies::
  • Multi-AP collaboration (16×16 MIMO)
  • Commercialization of 4096-QAM
  • 320MHz channel normalization

6.2 Long-range wireless charging

• New technology lines::
  • Millimeter wave charging (24 GHz band)
  • Laser power transfer (Class 1 safety)
  • Efficiency Target: 60%@3 meters

VII. Industry challenges and countermeasures

7.1 Technical bottlenecks

• common-mode interference: Charging harmonics affect WiFi SNR
• Thermal limitations: 15W wireless charging leads to localized temperature rise of 45°C

7.2 Solutions

1. Material Innovation::
   • Low Temperature Co-fired Ceramic (LTCC) Antennas
   • Ultra-thin magnetic shielding alloys
2. system optimization::
   • Dynamic frequency avoidance algorithm
   • Phase Change Materials Thermal Solutions
3. Test Methods::
   • 3D EMF Simulation Accuracy Improved to ±0.5dB