JP4333475B2 - 水中通信システム - Google Patents

水中通信システム Download PDF

Info

Publication number
JP4333475B2
JP4333475B2 JP2004144330A JP2004144330A JP4333475B2 JP 4333475 B2 JP4333475 B2 JP 4333475B2 JP 2004144330 A JP2004144330 A JP 2004144330A JP 2004144330 A JP2004144330 A JP 2004144330A JP 4333475 B2 JP4333475 B2 JP 4333475B2
Authority
JP
Japan
Prior art keywords
data
sequence
station
underwater
delay time
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 - Lifetime
Application number
JP2004144330A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005328319A5 (enrdf_load_stackoverflow
JP2005328319A (ja
Inventor
邦夫 橋場
洋 岡崎
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2004144330A priority Critical patent/JP4333475B2/ja
Publication of JP2005328319A publication Critical patent/JP2005328319A/ja
Publication of JP2005328319A5 publication Critical patent/JP2005328319A5/ja
Application granted granted Critical
Publication of JP4333475B2 publication Critical patent/JP4333475B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

JP2004144330A 2004-05-14 2004-05-14 水中通信システム Expired - Lifetime JP4333475B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004144330A JP4333475B2 (ja) 2004-05-14 2004-05-14 水中通信システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004144330A JP4333475B2 (ja) 2004-05-14 2004-05-14 水中通信システム

Publications (3)

Publication Number Publication Date
JP2005328319A JP2005328319A (ja) 2005-11-24
JP2005328319A5 JP2005328319A5 (enrdf_load_stackoverflow) 2006-12-28
JP4333475B2 true JP4333475B2 (ja) 2009-09-16

Family

ID=35474302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004144330A Expired - Lifetime JP4333475B2 (ja) 2004-05-14 2004-05-14 水中通信システム

Country Status (1)

Country Link
JP (1) JP4333475B2 (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4622548B2 (ja) * 2005-02-02 2011-02-02 株式会社Ihi 水中音響伝送方法と水中音響伝送装置
KR20120062587A (ko) * 2010-12-06 2012-06-14 강릉원주대학교산학협력단 수중 무선통신을 위한 통신 장치 및 방법
CN102158290B (zh) * 2011-02-22 2013-07-17 浙江工业大学 水声数据传输装置
CA2852392C (en) 2011-09-16 2020-08-04 National University Corporation Tokyo University Of Marine Science And Technology Underwater communication system
JP2015046680A (ja) * 2013-08-27 2015-03-12 日本電気株式会社 送信装置、受信装置、送信方法及び受信方法
JP6590170B2 (ja) 2018-03-28 2019-10-16 パナソニックＩｐマネジメント株式会社 水中通信装置及び水中通信システム
KR102268063B1 (ko) * 2018-12-14 2021-06-22 호서대학교 산학협력단 수중환경에 적응적인 수중통신 시스템
CN114337831B (zh) * 2021-11-30 2023-11-03 南京邮电大学 一种提高水下蓝绿激光通信可靠性的方法及系统
JP7686586B2 (ja) * 2022-01-26 2025-06-02 株式会社日立製作所 水中無線通信装置および方法

Also Published As

Publication number Publication date
JP2005328319A (ja) 2005-11-24

Similar Documents

Publication Publication Date Title
Kebkal et al. Sweep-spread carrier for underwater communication over acoustic channels with strong multipath propagation
Rouseff et al. Underwater acoustic communication by passive-phase conjugation: Theory and experimental results
Edelmann et al. Underwater acoustic communications using time reversal
US5301167A (en) Apparatus for improved underwater acoustic telemetry utilizing phase coherent communications
KR101580427B1 (ko) 시변 수중음향통신 채널을 위한 도플러 주파수 추정 및 수신방법
JP4333475B2 (ja) 水中通信システム
Wu et al. Shipborne underwater acoustic communication system and sea trials with submersible Shenhai Yongshi
AU2019264585A1 (en) Method and system for acoustic communication
Riedl et al. Broadband Doppler compensation: Principles and new results
GB2466252A (en) Underwater multiple output multiple user acoustic communication system
Younce et al. Experimental results with HF underwater acoustic modem for high bandwidth applications
US7310286B1 (en) System for undersea digital acoustic communications
Oberg et al. Underwater communication link with iterative equalization
Catipovic et al. Spatial diversity processing for underwater acoustic telemetry
EP2190156A2 (en) Communication apparatus, communication frame format, and signal processing method
WO2009027639A1 (en) Underwater communications
Beaujean et al. HERMES—A high bit-rate underwater acoustic modem operating at high frequencies for ports and shallow water applications
He et al. Reliable mobile underwater wireless communication using wideband chirp signal
JP4341522B2 (ja) 水中通信方式
Ayela et al. New innovative multimodulation acoustic communication system
Cannelli et al. Adaptive turbo equalization for underwater acoustic communication
JP4800886B2 (ja) 受信装置および受信方法
Kim et al. Chirp-based Frequency Shift Keying for Underwater Acoustic Communications
JP6051787B2 (ja) 通信装置及び通信方法
Kumar et al. Design of Underwater Software Acoustic Modem (USAM) for the Applications of Acoustic Data Communication

Legal Events

Date Code Title Description
RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20060424

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061114

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20061114

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090130

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090203

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090327

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: 20090602

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: 20090615

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

Free format text: PAYMENT UNTIL: 20120703

Year of fee payment: 3

R151 Written notification of patent or utility model registration

Ref document number: 4333475

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

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

Free format text: PAYMENT UNTIL: 20120703

Year of fee payment: 3

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

Free format text: PAYMENT UNTIL: 20130703

Year of fee payment: 4

EXPY Cancellation because of completion of term