R84 团 体 标 准

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LTE DirectCommunicationSystemTechnicalRequir ementsforLTE-basedvehicularcommunication I ........................................ ........................................ ........................................ .................................I ........................................ ........................................ ........................................ ..............................II LTE ........................................ .........................11 ........................................ ........................................ ........................................ ...........................12 ........................................ ........................................ ........................................ .......13.

TCS：牵引力控制系统(Traction Control System) TJW：前方拥堵提醒(Traffic Jam Warning) TTC：碰撞预计时间(Time-to-Collision) TTI：到达交叉口预计时间(Time-to-Intersection) UPER：非对齐压缩编码规则(Unaligned Packet Encoding Rules) V2I：车载单元与路侧单元通讯(Vehicle to Infrastructure)

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