Development of Wireless Image Transmission System in Subway at 18GHz

Jeong, Sang-Guk; An, Tae-Ki; Kim, Back-Hyun; Nam, MyungWoo; Lee, Young-Seock; Oh, Myung-Kwan

doi:10.5762/kais.2010.11.6.2196

Cited by 3 publications

(1 citation statement)

References 1 publication

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“…In this study new wireless HD image link is proposed on the results of the previous researches in [14] and [15] , in which the wireless link is designed and implemented on the generation 2 chipset of Sibeam corporation. In the link, there are two subsystems :…”

Section: One Of the Useful Background Extraction Technique Ismentioning

confidence: 99%

Design of Visual Surveillance System based on Wireless High Definition Image Transmission Technology

Kim¹

2012

The Journal of the Institute of Webcasting, Internet and Teleco

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It is important to detect dangerous objects which are intentionally abandoned in public places. Nowadays visual surveillance system is required to enhance the performance in two ways : high resolution and wireless linking ability. In this study the design of visual surveillance system is newly proposed to detect abandoned objects for social security purpose based on wireless high resolution image transmission technology. Also, to enhance PED, PAT performance, the tracking algorithm is included in the previous visual surveillance software scheme. By implementing proposed design scheme on the real wireless high resolution image transmission system, the effectiveness of the overall system is shown with the transmission performance of 4.0 Gbps speed.

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Section: One Of the Useful Background Extraction Technique Ismentioning

confidence: 99%

Design of Visual Surveillance System based on Wireless High Definition Image Transmission Technology

Kim¹

2012

The Journal of the Institute of Webcasting, Internet and Teleco

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Effect of CFO on UFMC System

Lee¹,

Choi²

2016

JIIBC

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Measurement of 18GHz Radio Propagation Characteristics in Subway Tunnel for Train-Wayside Multimedia Transmission

Choi¹,

Seo²

2012

Journal of the Korean society for railway

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This paper presents an experimental study on the radio propagation characteristics in subway tunnel at 18GHz frequency band which has been assigned to video transmission between train and wayside. The radio propagation tests are carried out in the subway tunnel of Seoul Metro using the antenna and communication devices of the prototype video transmission system. The measurement results show that 18GHz radio propagation in subway tunnel has smaller path loss than that of general outdoor radio environment. It is also cleared that the arch-type tunnels have smaller radio propagation losses than rectangular tunnels, and single track tunnels have smaller pass loss than double track tunnels. From the measurements, the radio propagation coverage is worked out as 520 meters. The curved tunnels which cannot have LOS communication between transmitter and receiver have large pass losses and fluctuation profile along distance. The radio propagation coverage along curved tunnels is worked out as 300 meters. These investigation results can be used to design the 18GHz radio transmission system for subway tunnel by providing the optimized wayside transmitter locations and handover algorithm customized to the radio propagation characteristics in subway tunnels.

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Development of Wireless Image Transmission System in Subway at 18GHz

Cited by 3 publications

References 1 publication

Design of Visual Surveillance System based on Wireless High Definition Image Transmission Technology

Design of Visual Surveillance System based on Wireless High Definition Image Transmission Technology

Effect of CFO on UFMC System

Measurement of 18GHz Radio Propagation Characteristics in Subway Tunnel for Train-Wayside Multimedia Transmission

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