Wide-area Surveillance Sensor with Leaky Coaxial Cables

Inomata, Kenji; Hirai, Takashi; Kim, Su-Mi; Tanaka, Kunimaro

doi:10.1109/sice.2006.315652

Cited by 19 publications

(10 citation statements)

References 2 publications

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“…RESULTS AND DISCUSSION Using equations (1) to (5), the coupling between LCXs can be theoretically analyzed. In our studies, sinusoidal and modulated Gaussian signals are taken as transmitted signals respectively.…”

confidence: 99%

“…[2]. With the increasing requirements of security and safety, LCXs have also been applied to intrusion warning and location detection systems [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

“…In [3]- [5], the methods using the reflected signal and special angles between two parallel cables for obstacle and location detection are discussed. However, these literatures did not give the coupling characteristics between LCXs for different kinds of transmitted signals.…”

Section: Introductionmentioning

confidence: 99%

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Coupling characteristics between leaky coaxial cables with and without obstacle

Wang

Zhang

et al. 2012

Isape2012

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The coupling characteristics between two leaky coaxial cables (LCXs) with transverse slots are analyzed by employing an equivalent method and superposition principle. In the method, two cables are used as transceiver, and the coupling characteristics are studied by analyzing the received signals in two ports of the receiving cable when the structure parameters and frequency change. It is found that the received signals are the same as the transmitted signal, only with a time delay and attenuation in amplitude. When there is an obstacle between the cables, the received signals regularly change with the location of the obstacle. Based on the analysis, a location detection method which is valuable to the design of intrusion detection system is discussed.

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confidence: 99%

“…[2]. With the increasing requirements of security and safety, LCXs have also been applied to intrusion warning and location detection systems [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

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Coupling characteristics between leaky coaxial cables with and without obstacle

Wang

Zhang

et al. 2012

Isape2012

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“…Microwave sensors have been attracting attention for advantages such as high weather ability and volumetric sensing. The Leaky Coaxial Cable (LCX)-based intrusion-detection sensor is one of the microwave sensors [1]- [7]. The LCX is an antenna array that transmits microwaves from slots milled on its outer conductor as shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

Two-frequency surveillance technique for intrusion-detection sensor with Leaky Coaxial Cables

Inomata

Tsujita

Hirai

2014

2014 IEEE Sensors Applications Symposium (SAS)

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This paper presents a new design and achievement of Leaky Coaxial Cable (LCX)-based intrusion-sensing techniques. LCX radiates microwaves from slots milled on the outer conductor. This sensor can detect an intrusion object by measuring the variation of received signal. LCX has two types of emitting modes, radiation mode and surface mode. The microwave radiates to far field in radiation mode. On the other hand, the microwave exists only around the LCX in surface mode. Although the conventional LCX-based sensor operates the LCX in only one mode to detect and classify an object, this paper introduces a simultaneous sensing technique using these two modes. Comparing the signals in both modes, the classification of an object can be estimated. The theory of the emitting modes of LCX and the developed sensor prototype are described. Experimental results are presented to show that the proposed sensing techniques are valid.

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“…Position detection methods using LCX are developed. In [1], LCX performs as an intruder sensor by using two parallel LCXs. But this method cannot detect two-dimensional position of the intruder.…”

Section: Introductionmentioning

confidence: 99%

Two dimensional position detection method using bi-directional leaky coaxial cable based on TDOA

Nishikawa

Higashino

Tsukamoto

et al. 2009

2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications

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Position detection of wireless terminal tends to be important technology in wireless communication system. Demand for position detection is increasing. This paper proposes position detection method using bi-directional LCX (Leaky CoaXial cable). Due to bi-directional and the reflection at end of LCX on purpose, proposed method makes four propagation pathes. Proposed system can detect two dimensional position using the differences of four propagation times. This paper describes the equations for position detection and optimal arrangement about slots.

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Wide-area Surveillance Sensor with Leaky Coaxial Cables

Cited by 19 publications

References 2 publications

Coupling characteristics between leaky coaxial cables with and without obstacle

Coupling characteristics between leaky coaxial cables with and without obstacle

Two-frequency surveillance technique for intrusion-detection sensor with Leaky Coaxial Cables

Two dimensional position detection method using bi-directional leaky coaxial cable based on TDOA

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