JPS55120244A - Phase supervisory system - Google Patents

Phase supervisory system

Info

Publication number
JPS55120244A
JPS55120244A JP2705379A JP2705379A JPS55120244A JP S55120244 A JPS55120244 A JP S55120244A JP 2705379 A JP2705379 A JP 2705379A JP 2705379 A JP2705379 A JP 2705379A JP S55120244 A JPS55120244 A JP S55120244A
Authority
JP
Japan
Prior art keywords
circuit
station
information
downward
phase
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.)
Granted
Application number
JP2705379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6251011B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Gouzou Kage
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2705379A priority Critical patent/JPS55120244A/ja
Priority to AU56274/80A priority patent/AU528842B2/en
Priority to US06/128,787 priority patent/US4301539A/en
Publication of JPS55120244A publication Critical patent/JPS55120244A/ja
Publication of JPS6251011B2 publication Critical patent/JPS6251011B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/01—Reducing phase shift
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H04B17/18—Monitoring during normal operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/364—Delay profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2705379A 1979-03-08 1979-03-08 Phase supervisory system Granted JPS55120244A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2705379A JPS55120244A (en) 1979-03-08 1979-03-08 Phase supervisory system
AU56274/80A AU528842B2 (en) 1979-03-08 1980-03-07 Transmission phase shift monitoring
US06/128,787 US4301539A (en) 1979-03-08 1980-03-10 Supervising system for use in radio transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2705379A JPS55120244A (en) 1979-03-08 1979-03-08 Phase supervisory system

Publications (2)

Publication Number Publication Date
JPS55120244A true JPS55120244A (en) 1980-09-16
JPS6251011B2 JPS6251011B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-10-28

Family

ID=12210321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2705379A Granted JPS55120244A (en) 1979-03-08 1979-03-08 Phase supervisory system

Country Status (3)

Country Link
US (1) US4301539A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS55120244A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU528842B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0486029A (ja) * 1990-07-30 1992-03-18 Nippon Motoroola Kk 回線遅延量変化検出システム

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516269A (en) * 1982-12-10 1985-05-07 Michigan Consolidated Gas Company Automatic equalization for a simulcast communication system
JPH0622356B2 (ja) * 1984-11-02 1994-03-23 富士通株式会社 無線通信方式
FI71452C (fi) * 1985-04-10 1986-12-19 Arvo Mustonen Synkroniseringsfoerfarande foer ett lokalt t ex riksomfattandepersonsoekarnaets radiosaendare
US4790012A (en) * 1985-12-20 1988-12-06 General Electric Co. Encryption-decryption system
US5384826A (en) * 1990-10-01 1995-01-24 At&T Bell Laboratories Distributed packetized switching cellular radio telephone communication system with handoff
US5371780A (en) * 1990-10-01 1994-12-06 At&T Corp. Communications resource assignment in a wireless telecommunications system
US5200688A (en) * 1991-05-31 1993-04-06 Motorola, Inc. Vehicular charger
DE4303355A1 (de) * 1993-02-05 1994-08-11 Philips Patentverwaltung Funksystem
US5745840A (en) * 1994-03-22 1998-04-28 Tait Electronics Limited Equalization in a simulcast communication system
JP2809179B2 (ja) * 1996-03-14 1998-10-08 日本電気株式会社 無線同報通信システム
DE19625219C1 (de) * 1996-06-24 1997-10-30 Siemens Ag Vorrichtung zur Kompensation der Signallaufzeitunterschiede von digitalen Übertragungseinrichtungen
JP3382922B2 (ja) * 2000-07-06 2003-03-04 埼玉日本電気株式会社 移動通信システム、移動機、交換機及び移動通信方法
CN110120901A (zh) * 2019-05-24 2019-08-13 天津华泽瑞威信息技术有限公司 一种监测lte专网基站空口链路完备性告警系统及方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49111533A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-02-22 1974-10-24

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575782A (en) * 1948-12-18 1951-11-20 Automatic Elect Lab Control terminal for mobile radio telephone
US3571519A (en) * 1968-10-31 1971-03-16 Motorola Inc Synchronous supervisory unit for mobile telephone system
US3906166A (en) * 1973-10-17 1975-09-16 Motorola Inc Radio telephone system
US4101835A (en) * 1976-05-07 1978-07-18 General Communications Co., Inc. Method and electronic control device for radio telephone communication
JPS5839423B2 (ja) * 1976-08-30 1983-08-30 日本電信電話株式会社 無線回線制御方式

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49111533A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-02-22 1974-10-24

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0486029A (ja) * 1990-07-30 1992-03-18 Nippon Motoroola Kk 回線遅延量変化検出システム

Also Published As

Publication number Publication date
AU5627480A (en) 1980-09-11
JPS6251011B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-10-28
AU528842B2 (en) 1983-05-12
US4301539A (en) 1981-11-17

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