JPH0586097B2 - - Google Patents

Info

Publication number
JPH0586097B2
JPH0586097B2 JP58059227A JP5922783A JPH0586097B2 JP H0586097 B2 JPH0586097 B2 JP H0586097B2 JP 58059227 A JP58059227 A JP 58059227A JP 5922783 A JP5922783 A JP 5922783A JP H0586097 B2 JPH0586097 B2 JP H0586097B2
Authority
JP
Japan
Prior art keywords
frequency
signal
carrier wave
regeneration
wave
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
JP58059227A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59201563A (ja
Inventor
Susumu Sasaki
Hiroshi Nakamura
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP58059227A priority Critical patent/JPS59201563A/ja
Priority to US06/594,987 priority patent/US4606048A/en
Priority to EP84302355A priority patent/EP0122127B1/en
Priority to DE8484302355T priority patent/DE3485098D1/de
Publication of JPS59201563A publication Critical patent/JPS59201563A/ja
Publication of JPH0586097B2 publication Critical patent/JPH0586097B2/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
    • 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
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/361—Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP58059227A 1983-04-06 1983-04-06 無線通信方式 Granted JPS59201563A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP58059227A JPS59201563A (ja) 1983-04-06 1983-04-06 無線通信方式
US06/594,987 US4606048A (en) 1983-04-06 1984-03-29 Radio communication system
EP84302355A EP0122127B1 (en) 1983-04-06 1984-04-06 Radio communication system
DE8484302355T DE3485098D1 (de) 1983-04-06 1984-04-06 Radio-kommunikationssystem.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58059227A JPS59201563A (ja) 1983-04-06 1983-04-06 無線通信方式

Publications (2)

Publication Number Publication Date
JPS59201563A JPS59201563A (ja) 1984-11-15
JPH0586097B2 true JPH0586097B2 (enrdf_load_stackoverflow) 1993-12-09

Family

ID=13107274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58059227A Granted JPS59201563A (ja) 1983-04-06 1983-04-06 無線通信方式

Country Status (1)

Country Link
JP (1) JPS59201563A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5139810B2 (enrdf_load_stackoverflow) * 1971-11-04 1976-10-29

Also Published As

Publication number Publication date
JPS59201563A (ja) 1984-11-15

Similar Documents

Publication Publication Date Title
JP3478508B2 (ja) 無線通信装置
US4338579A (en) Frequency shift offset quadrature modulation and demodulation
KR890002727B1 (ko) 무선 통신 시스템내의 수신기 유니트
CA1217233A (en) Qam with dc bias in one channel
US4606048A (en) Radio communication system
JPS6347307B2 (enrdf_load_stackoverflow)
EP0206203B1 (en) Recording and reproducing apparatus using a modulator/demodulator for Offset Quadrature Differential Phase-Shift Keying
EP0173362B1 (en) Arrangement of recovering a clock signal form an angle-modulated carrier signal having a modulation index m = 0.5
US4894845A (en) Receiver for a phase-shift keyed carrier signal
US4622683A (en) Fast acquisition ringing filter MSK demodulator
US4250456A (en) Device for demodulating PSK-FM double modulated carrier signals
JPH0586097B2 (enrdf_load_stackoverflow)
US4882552A (en) Coherent frequency exchange keying modulator
JPH0586098B2 (enrdf_load_stackoverflow)
US5061999A (en) Multiplex signal processing apparatus
US5825805A (en) Spread spectrum communication system
JPH0474905B2 (enrdf_load_stackoverflow)
KR950003667B1 (ko) 비.에프.에스.케이(BFSK) 복조방식을 이용한 엠.에스.케이(MSK;minimum shift keying)의 변복조 장치
JP2543802B2 (ja) 音声信号注入形搬送波同期装置
JP2545882B2 (ja) データ再生装置
JP2689806B2 (ja) 同期型スペクトル拡散変調波の復調装置
JPH0222584B2 (enrdf_load_stackoverflow)
JPH0454045A (ja) キャリア再生回路
JPH0591150A (ja) Ｍｓｋ信号復調回路
JPS591023B2 (ja) 低速デ−タ通信方式