JPS5963847A - 雑音測定装置 - Google Patents

雑音測定装置

Info

Publication number
JPS5963847A
JPS5963847A JP17433782A JP17433782A JPS5963847A JP S5963847 A JPS5963847 A JP S5963847A JP 17433782 A JP17433782 A JP 17433782A JP 17433782 A JP17433782 A JP 17433782A JP S5963847 A JPS5963847 A JP S5963847A
Authority
JP
Japan
Prior art keywords
output
signal
phase
subtractor
interference
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
JP17433782A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0423858B2 (enrdf_load_stackoverflow
Inventor
Kojiro Watanabe
孝次郎 渡辺
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 JP17433782A priority Critical patent/JPS5963847A/ja
Priority to DE8383109861T priority patent/DE3381073D1/de
Priority to EP83109861A priority patent/EP0105513B1/en
Priority to US06/539,017 priority patent/US4542514A/en
Priority to CA000438337A priority patent/CA1224531A/en
Priority to AU19863/83A priority patent/AU555705B2/en
Publication of JPS5963847A publication Critical patent/JPS5963847A/ja
Publication of JPH0423858B2 publication Critical patent/JPH0423858B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206—Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP17433782A 1982-10-04 1982-10-04 雑音測定装置 Granted JPS5963847A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP17433782A JPS5963847A (ja) 1982-10-04 1982-10-04 雑音測定装置
DE8383109861T DE3381073D1 (de) 1982-10-04 1983-10-03 Verfahren zur qualitaetsmessung eines empfangssignals eines empfaengers in einem zweidimensionalen linear modulierten datenuebertragungssystem.
EP83109861A EP0105513B1 (en) 1982-10-04 1983-10-03 Method of measuring quality of a signal received by a receiver of a two-dimensional linear modulation data communication system
US06/539,017 US4542514A (en) 1982-10-04 1983-10-04 Method of measuring quality of a signal received by a receiver of a two-dimensional linear modulation data communication system
CA000438337A CA1224531A (en) 1982-10-04 1983-10-04 Method of measuring quality of a signal received by a receiver of a two-dimensional linear modulation data communication system
AU19863/83A AU555705B2 (en) 1982-10-04 1983-10-05 Qam quality monitoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17433782A JPS5963847A (ja) 1982-10-04 1982-10-04 雑音測定装置

Publications (2)

Publication Number Publication Date
JPS5963847A true JPS5963847A (ja) 1984-04-11
JPH0423858B2 JPH0423858B2 (enrdf_load_stackoverflow) 1992-04-23

Family

ID=15976869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17433782A Granted JPS5963847A (ja) 1982-10-04 1982-10-04 雑音測定装置

Country Status (1)

Country Link
JP (1) JPS5963847A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7773950B2 (en) 2004-06-16 2010-08-10 Telefonaktiebolaget Lm Ericsson (Publ) Benign interference suppression for received signal quality estimation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343409A (en) * 1976-09-30 1978-04-19 Trt Telecom Radio Electr Interference detector for receiver of data transmission system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5343409A (en) * 1976-09-30 1978-04-19 Trt Telecom Radio Electr Interference detector for receiver of data transmission system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7773950B2 (en) 2004-06-16 2010-08-10 Telefonaktiebolaget Lm Ericsson (Publ) Benign interference suppression for received signal quality estimation

Also Published As

Publication number Publication date
JPH0423858B2 (enrdf_load_stackoverflow) 1992-04-23

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