欧盟紧急呼叫语音信道衰落统计

2016 IEEE 84th Vehicular Technology Conference (VTC-Fall) Pub Date : 2016-09-01 DOI:10.1109/VTCFall.2016.7881011

Yunrui Li, John Q. Liu

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引用次数: 3

摘要

欧盟(EU)紧急呼叫(eCall)采用GSM语音通道进行车辆紧急数据传输。然而，GSM语音信道在功率控制后的衰落统计在以前没有讨论过。本文报道了车载系统(IVS)端到端GSM语音信道在实验室和高速公路上的功率测量。数据显示，GSMvoice通道在上电控制后仍然存在较强的衰落，可能导致严重的丢包和紧急呼叫延迟。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fading Statistics of Voice Channel for the European Union Emergency Call

The European Union (EU) emergency call (eCall) employs the GSM voice channel for vehicle emergency data transmission. However, fading statistics of the GSM voice channel after power control has not been discussed previously. This paper reports the power measurements for the end-to-end GSM voice channel with an in-vehicle system (IVS) transmitter in laboratory or on freeway. The data reveals that strong fading still exists in the GSMvoice channel after power control, which can cause severe packet loss and delay in the emergency call.

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2016 IEEE 84th Vehicular Technology Conference (VTC-Fall)

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