Traffic Impact on Radio Wave Propagation at Millimeter-Wave Band in Tunnels for 5G Communications

被引：0

作者：

Hrovat, Andrej ^{[1
]}

Guan, Ke ^{[2
]}

Javornik, Tomaz ^{[1
]}

机构：

[1] Jozef Stefan Inst, Dept Commun Syst, Jamova Cesta 39, SI-1000 Ljubljana, Slovenia

[2] Jiaotong Univ, State Key Lab Rail Traff Control & Safety, Beijing 100044, Peoples R China

来源：

2017 11TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2017年

关键词：

channel measurements; mm-wave propgatation; ray tracing; tunnel path loss; simulations;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, the impact of truck convoys on radio wave propagation at the mm-wave frequency band in a two lane road tunnel is analyses by computer simulations. The analyzes reveal that the propagation of radio waves is not affected outside the convoy if a convoy occupies only one lane, while two convoys in both lanes cause serious drop of signal level behind the convoys. The signal level is decreased and delay spread is increased within the convoy, which suggests the usage of the vehicle to vehicle communication within a convoy. In addition, due to misalignment of transmitting and receive directional antennas a significant signal gap is occurred close to the base station. We suggest the usage of two antennas at the base station, one omnidirectional to cover proximity areas and the second one directional to cover distance areas along the tunnel.

引用

页数：4

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