通感一体化 (ISAC): 毫米波雷达测距测速与 V2X 侧行通信深度融合

ISACV2X 深入攻关雷达与通信共用 OFDM 及正交时频空间 (OTFS) 调制，实现在广播 V2X 数据的同时完成周围弱势道路使用者微多普勒特征捕捉与精细测距。

通信与毫米波雷达共用同一硬件波形

现代车辆为 77 GHz 雷达和 5.9 GHz V2X 收发器配备独立硬件。ISAC 将这两项功能融合，利用发射的通信信号同时感知目标的距离、速度与空间反射特征。

Core Engineering Areas

• Dual-Functional Radar-Comm Waveforms — Synthesizing waveforms that maximize communication data rates while preserving radar ambiguity function resolution.
• MIMO Radar & Beamforming — Directing narrow communication beams while scanning spatial lobes for obstacle reflection analysis.
• Interference & Ghost Mitigation — Mitigating full-duplex transmit-to-receive leakage and multi-path ghost reflections in dense urban streets.

Technical Articles

• ISAC Channel Modeling: Trade-Offs Between Communication Capacity and Radar Resolution
• Urban Intersection Safety: Enhancing Blind Corners via Roadside ISAC Sensing

Related Cluster Architecture Specifications

• AutomotiveV2X — Connected Vehicle-to-Everything & Cooperative ITS Architecture
• CellularV2X — 3GPP C-V2X Architecture, PC5 Direct Sidelink & Cellular Uu Infrastructure
• NRV2X — 5G NR V2X Sidelink, Sub-Millisecond Latency & High-Rate Sensor Sharing
• QuantumV2X — Post-Quantum Cryptography (PQC) & Quantum-Resistant V2X Security