mmWave vs Terahertz
详细的技术比较 mmWave 与 Terahertz.
| 参数 | mmWave | Terahertz |
|---|---|---|
| Frequency | 24–100 GHz | 0.3–10 THz |
| Bandwidth | 400 MHz – 2 GHz | 10+ GHz ✓ |
| Peak Data Rate | ~10 Gbps | 100+ Tbps (theoretical) ✓ |
| Range | ~200 m outdoor ✓ | ~10 m (current) |
| Wall Penetration | Very limited ✓ | None |
| Commercial Status | Deployed in 5G ✓ | Lab demos only |
| Power Efficiency | Moderate ✓ | Very low (current) |
| Beam Width | Narrow | Extremely narrow |
| Weather Sensitivity | Moderate (rain) ✓ | High (rain, humidity) |
| Generation | 5G/6G | 7G |
结论
mmWave是已在5G网络中部署的成熟技术。太赫兹提供更多带宽，但面临巨大的工程挑战。THz是通往7G的道路，但商业化还需15年以上。
逐项分析
根据上表，各项指标由谁胜出。
- Frequency — '持平' (mmWave: 24–100 GHz · Terahertz: 0.3–10 THz)
- Bandwidth — Terahertz '胜在' (mmWave: 400 MHz – 2 GHz · Terahertz: 10+ GHz)
- Peak Data Rate — Terahertz '胜在' (mmWave: ~10 Gbps · Terahertz: 100+ Tbps (theoretical))
- Range — mmWave '胜在' (mmWave: ~200 m outdoor · Terahertz: ~10 m (current))
- Wall Penetration — mmWave '胜在' (mmWave: Very limited · Terahertz: None)
- Commercial Status — mmWave '胜在' (mmWave: Deployed in 5G · Terahertz: Lab demos only)
- Power Efficiency — mmWave '胜在' (mmWave: Moderate · Terahertz: Very low (current))
- Beam Width — '持平' (mmWave: Narrow · Terahertz: Extremely narrow)
- Weather Sensitivity — mmWave '胜在' (mmWave: Moderate (rain) · Terahertz: High (rain, humidity))
- Generation — '持平' (mmWave: 5G/6G · Terahertz: 7G)
常见问题
mmWave 和 Terahertz 哪个更快？
在本次对比中，Terahertz 在速度相关指标上领先。
主要区别是什么？
mmWave是已在5G网络中部署的成熟技术。太赫兹提供更多带宽，但面临巨大的工程挑战。THz是通往7G的道路，但商业化还需15年以上。
今天该选哪个？
mmWave 在 10 项参数中赢得 5 项。