JP4268090B2 - 電界強度計算装置、電界強度推定方法及びそのプログラム - Google Patents

電界強度計算装置、電界強度推定方法及びそのプログラム Download PDF

Info

Publication number
JP4268090B2
JP4268090B2 JP2004134408A JP2004134408A JP4268090B2 JP 4268090 B2 JP4268090 B2 JP 4268090B2 JP 2004134408 A JP2004134408 A JP 2004134408A JP 2004134408 A JP2004134408 A JP 2004134408A JP 4268090 B2 JP4268090 B2 JP 4268090B2
Authority
JP
Japan
Prior art keywords
radio wave
aperture
trajectory
point
ray
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.)
Expired - Fee Related
Application number
JP2004134408A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005318308A (ja
JP2005318308A5 (enExample
Inventor
裕一郎 犬飼
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo Inc
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
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to JP2004134408A priority Critical patent/JP4268090B2/ja
Publication of JP2005318308A publication Critical patent/JP2005318308A/ja
Publication of JP2005318308A5 publication Critical patent/JP2005318308A5/ja
Application granted granted Critical
Publication of JP4268090B2 publication Critical patent/JP4268090B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Mobile Radio Communication Systems (AREA)
JP2004134408A 2004-04-28 2004-04-28 電界強度計算装置、電界強度推定方法及びそのプログラム Expired - Fee Related JP4268090B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004134408A JP4268090B2 (ja) 2004-04-28 2004-04-28 電界強度計算装置、電界強度推定方法及びそのプログラム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004134408A JP4268090B2 (ja) 2004-04-28 2004-04-28 電界強度計算装置、電界強度推定方法及びそのプログラム

Publications (3)

Publication Number Publication Date
JP2005318308A JP2005318308A (ja) 2005-11-10
JP2005318308A5 JP2005318308A5 (enExample) 2006-10-26
JP4268090B2 true JP4268090B2 (ja) 2009-05-27

Family

ID=35445273

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004134408A Expired - Fee Related JP4268090B2 (ja) 2004-04-28 2004-04-28 電界強度計算装置、電界強度推定方法及びそのプログラム

Country Status (1)

Country Link
JP (1) JP4268090B2 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5074333B2 (ja) 2008-09-22 2012-11-14 Ｋｄｄｉ株式会社 電波伝搬特性推定装置及びコンピュータプログラム
JP5081136B2 (ja) * 2008-11-26 2012-11-21 日立Ｇｅニュークリア・エナジー株式会社 無線通信装置の配置支援システム
JP5048021B2 (ja) 2009-06-16 2012-10-17 株式会社エヌ・ティ・ティ・ドコモ 建物影響推定装置及び建物影響推定方法
JP6346801B2 (ja) * 2014-06-20 2018-06-20 株式会社Ｎｔｔドコモ 電界強度推定方法および電界強度推定装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001099880A (ja) * 1999-10-01 2001-04-13 Nippon Telegr & Teleph Corp <Ntt> 電磁界解析方法及び解析プログラムを記録した記録媒体

Also Published As

Publication number Publication date
JP2005318308A (ja) 2005-11-10

Similar Documents

Publication Publication Date Title
Ullah et al. Localization and detection of targets in underwater wireless sensor using distance and angle based algorithms
US11277214B2 (en) Radio environment estimation method and radio environment estimation apparatus
JP6707575B2 (ja) 空間の領域内に含まれているターゲットデバイスの位置を特定するための無線測位方法
JP7096495B2 (ja) 置局設計方法、置局設計装置、及びプログラム
WO2022033347A1 (zh) 一种信号传输方法及设备和装置
JP4268090B2 (ja) 電界強度計算装置、電界強度推定方法及びそのプログラム
US12022310B2 (en) Shielding rate calculating apparatus, shielding rate calculating method and program
Moreno-Salinas et al. Multiple underwater target positioning with optimally placed acoustic surface sensor networks
KR100948186B1 (ko) 3차원 광선 추적법을 이용한 전파 모델 생성 장치, 방법 및이를 구현한 컴퓨터로 실행 가능한 기록매체
JP7380890B2 (ja) ビームフォーミング予測装置、方法及びプログラム
CN113543017A (zh) 毫米波车联网的波束切换方法及相关设备
JP5301521B2 (ja) 電波推定方法、及び電波推定プログラム、並びに電波推定装置
US11733344B2 (en) Interference source searching method and interference source searching apparatus
US20090167756A1 (en) Method and apparatus for computation of wireless signal diffraction in a three-dimensional space
US12192948B2 (en) Method and apparatus of positioning for accommodating wireless-environment change
WO2023171035A1 (en) Method, computer program and system for characterizing radiofrequency environment
de Sousa Enhanced localization systems with multipath fingerprints and machine learning
JPH0933584A (ja) 電界強度計算装置
Emokpae et al. Surface-reflection-based communication and localization in underwater sensor networks
JPH09119955A (ja) 電界強度計算装置および電界強度推定方法
JP7740503B2 (ja) 受信電力予測方法、及び受信電力予測システム
KR102593033B1 (ko) 3차원 비가시선 채널 환경에서 사각지대 차량 측위 방법 및 그 장치
JP7280536B2 (ja) 見通し判定方法、見通し判定装置、及びプログラム
KR20090100190A (ko) 경로 전처리를 이용한 광선 추적 장치 및 방법
KR102424104B1 (ko) 무선 통신 시스템에서 전파 특성을 분석하기 위한 장치 및 방법

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20060906

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060906

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20081110

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081125

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090120

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090217

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090219

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120227

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120227

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130227

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140227

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees