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WO2008069414A1 - Procédé d'analyse d'ondes de réflexion sur la base de l'impédance efficace - Google Patents

Procédé d'analyse d'ondes de réflexion sur la base de l'impédance efficace Download PDF

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Publication number
WO2008069414A1
WO2008069414A1 PCT/KR2007/004535 KR2007004535W WO2008069414A1 WO 2008069414 A1 WO2008069414 A1 WO 2008069414A1 KR 2007004535 W KR2007004535 W KR 2007004535W WO 2008069414 A1 WO2008069414 A1 WO 2008069414A1
Authority
WO
WIPO (PCT)
Prior art keywords
reflection
equation
impedance
wave
effective impedance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2007/004535
Other languages
English (en)
Inventor
Jong Ho Kim
Heon Jin Hong
Chang Joo Kim
Il Suek Koh
Jae Woo Lim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electronics and Telecommunications Research Institute ETRI
Original Assignee
Electronics and Telecommunications Research Institute ETRI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020070052489A external-priority patent/KR100871446B1/ko
Application filed by Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Priority to US12/517,801 priority Critical patent/US20100010760A1/en
Publication of WO2008069414A1 publication Critical patent/WO2008069414A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region

Definitions

  • a reflection wave is calculated by expressing the material of a wall surface of a building as impedance. If the wall is made of various materials, the wall must be divided into small pieces each made of the same material in order to form a modeling period with the same material for modeling. Accordingly, the computation amount increases.
  • Equation 1 E and an overall magnetic field of the uniform medium reflection surface can be expressed as Equation 1 and Equation 2.
  • Equation 1 and Equation 2 t denotes an entire field, i denotes an incidence field, and r denotes a reflection field.

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

L'invention concerne un procédé destiné à l'analyse d'une onde de réflexion sur la base de l'impédance efficace. Ce procédé consiste: a) à modéliser une surface de réflexion d'un bâtiment en deux dimensions; et b) à obtenir une onde de réflexion par diffusion d'une onde radio vers la surface de réflexion modélisée et à analyser l'onde de réflexion obtenue par uniformisation du milieu.
PCT/KR2007/004535 2006-12-05 2007-09-19 Procédé d'analyse d'ondes de réflexion sur la base de l'impédance efficace Ceased WO2008069414A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/517,801 US20100010760A1 (en) 2006-12-05 2007-09-19 Method of analyzing reflection waves using effective impedance

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20060122342 2006-12-05
KR10-2006-0122342 2006-12-05
KR10-2007-0052489 2007-05-30
KR1020070052489A KR100871446B1 (ko) 2006-12-05 2007-05-30 유효 임피던스를 이용한 반사파 해석 방법

Publications (1)

Publication Number Publication Date
WO2008069414A1 true WO2008069414A1 (fr) 2008-06-12

Family

ID=39492252

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2007/004535 Ceased WO2008069414A1 (fr) 2006-12-05 2007-09-19 Procédé d'analyse d'ondes de réflexion sur la base de l'impédance efficace

Country Status (1)

Country Link
WO (1) WO2008069414A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107276705A (zh) * 2017-07-28 2017-10-20 中铁上海设计院集团有限公司 一种高速铁路隧道无线通信信道建模方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471435A (en) * 1994-05-13 1995-11-28 Marshall Acoustics Pty., Ltd. Method for acoustic/electromagnetic signal processing
US6366858B1 (en) * 2000-06-30 2002-04-02 S. Mark Haugland Method of and apparatus for independently determining the resistivity and/or dielectric constant of an earth formation
US20050021019A1 (en) * 2003-07-24 2005-01-27 Dune Medical Devices Ltd. Method and apparatus for examining a substance, particularly tissue, to characterize its type

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471435A (en) * 1994-05-13 1995-11-28 Marshall Acoustics Pty., Ltd. Method for acoustic/electromagnetic signal processing
US6366858B1 (en) * 2000-06-30 2002-04-02 S. Mark Haugland Method of and apparatus for independently determining the resistivity and/or dielectric constant of an earth formation
US20050021019A1 (en) * 2003-07-24 2005-01-27 Dune Medical Devices Ltd. Method and apparatus for examining a substance, particularly tissue, to characterize its type

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107276705A (zh) * 2017-07-28 2017-10-20 中铁上海设计院集团有限公司 一种高速铁路隧道无线通信信道建模方法
CN107276705B (zh) * 2017-07-28 2020-07-31 中铁上海设计院集团有限公司 一种高速铁路隧道无线通信信道建模方法

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