JPH0222583B2 - - Google Patents

Info

Publication number
JPH0222583B2
JPH0222583B2 JP54113776A JP11377679A JPH0222583B2 JP H0222583 B2 JPH0222583 B2 JP H0222583B2 JP 54113776 A JP54113776 A JP 54113776A JP 11377679 A JP11377679 A JP 11377679A JP H0222583 B2 JPH0222583 B2 JP H0222583B2
Authority
JP
Japan
Prior art keywords
phase
signal
modulation
prefix
offset
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
JP54113776A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5637756A (en
Inventor
Masaaki Atobe
Yoshimi Tagashira
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP11377679A priority Critical patent/JPS5637756A/ja
Publication of JPS5637756A publication Critical patent/JPS5637756A/ja
Publication of JPH0222583B2 publication Critical patent/JPH0222583B2/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
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
    • H04L27/2042—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers with more than two phase states
    • H04L27/2046—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers with more than two phase states in which the data are represented by carrier phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/10—Arrangements for initial synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radio Relay Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP11377679A 1979-09-05 1979-09-05 Transmitting device for time-division multiple connection system Granted JPS5637756A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11377679A JPS5637756A (en) 1979-09-05 1979-09-05 Transmitting device for time-division multiple connection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11377679A JPS5637756A (en) 1979-09-05 1979-09-05 Transmitting device for time-division multiple connection system

Publications (2)

Publication Number Publication Date
JPS5637756A JPS5637756A (en) 1981-04-11
JPH0222583B2 true JPH0222583B2 (zh) 1990-05-21

Family

ID=14620821

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11377679A Granted JPS5637756A (en) 1979-09-05 1979-09-05 Transmitting device for time-division multiple connection system

Country Status (1)

Country Link
JP (1) JPS5637756A (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58194451A (ja) * 1982-05-10 1983-11-12 Kanto Denshi Kiki Hanbai Kk 光通信用変復調装置
JPS59104880A (ja) * 1982-12-07 1984-06-16 Canon Inc 撮像装置
JPS6024793A (ja) * 1983-07-19 1985-02-07 Matsushita Electric Ind Co Ltd カラ−固体撮像装置
JPS60169962U (ja) * 1984-04-19 1985-11-11 日本電気株式会社 デイジタル信号伝送用送受信機
JPS60169963U (ja) * 1984-04-19 1985-11-11 日本電気株式会社 デイジタル信号伝送用送信機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4846205A (zh) * 1971-10-13 1973-07-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4846205A (zh) * 1971-10-13 1973-07-02

Also Published As

Publication number Publication date
JPS5637756A (en) 1981-04-11

Similar Documents

Publication Publication Date Title
US4338579A (en) Frequency shift offset quadrature modulation and demodulation
US5371761A (en) Transmission system and receiver for this system
JPH0552101B2 (zh)
US4313205A (en) Carrier synchronization and symbol synchronization for offset-QPSK burst communications
JP2724145B2 (ja) 搬送波再生装置
US4477916A (en) Transmitter for angle-modulated signals
US3984777A (en) Carrier wave reproducer device for use in the reception of a multi-phase phase-modulated wave
JPH0222583B2 (zh)
US4675881A (en) Arrangement for recovering a clock signal from an angle-modulated carrier signal having a modulation index m=0.5
JP3120833B2 (ja) バースト信号復調装置
JPS6211347A (ja) ４相ｐｓｋ復調装置
JP3178138B2 (ja) フレーム同期回路及びフレーム同期方法
JP2696948B2 (ja) 搬送波再生回路
US5987072A (en) Phase modulation scheme and apparatus
JP3518739B2 (ja) 直交周波数分割多重信号受信装置及び直交周波数分割多重信号の受信方法
JPH0222584B2 (zh)
JPH04220043A (ja) π／４シフトＱＰＳＫ復調方式
JPH02228849A (ja) ４相位相シフトキーイング検波回路
JP3518755B2 (ja) 直交周波数分割多重信号受信装置及び直交周波数分割多重信号の受信方法
JPS6336591B2 (zh)
JPH01152846A (ja) Ｔｄｍａデータ伝送方式の位相復調方式
JP3518754B2 (ja) 直交周波数分割多重信号受信装置及び直交周波数分割多重信号の受信方法
JP3518752B2 (ja) 直交周波数分割多重信号受信装置及び直交周波数分割多重信号の受信方法
JP3518761B2 (ja) 直交周波数分割多重信号送信装置及び直交周波数分割多重信号の送信方法
JP3518760B2 (ja) 直交周波数分割多重信号受信装置及び直交周波数分割多重信号の受信方法