JPS639698B2 - - Google Patents

Info

Publication number
JPS639698B2
JPS639698B2 JP55072352A JP7235280A JPS639698B2 JP S639698 B2 JPS639698 B2 JP S639698B2 JP 55072352 A JP55072352 A JP 55072352A JP 7235280 A JP7235280 A JP 7235280A JP S639698 B2 JPS639698 B2 JP S639698B2
Authority
JP
Japan
Prior art keywords
signal
demodulation
modulation
output
frequency component
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
Application number
JP55072352A
Other languages
English (en)
Japanese (ja)
Other versions
JPS579144A (en
Inventor
Botaro Hirosaki
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 JP7235280A priority Critical patent/JPS579144A/ja
Priority to US06/264,163 priority patent/US4392220A/en
Priority to AU71156/81A priority patent/AU537148B2/en
Priority to EP81104133A priority patent/EP0041253B1/en
Priority to CA000378694A priority patent/CA1165476A/en
Priority to DE8181104133T priority patent/DE3172013D1/de
Publication of JPS579144A publication Critical patent/JPS579144A/ja
Publication of JPS639698B2 publication Critical patent/JPS639698B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
JP7235280A 1980-05-30 1980-05-30 Modulation and demodulation device Granted JPS579144A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP7235280A JPS579144A (en) 1980-05-30 1980-05-30 Modulation and demodulation device
US06/264,163 US4392220A (en) 1980-05-30 1981-05-15 Modem to be coupled to a directional transmission line of an SS multiplex communication network
AU71156/81A AU537148B2 (en) 1980-05-30 1981-05-29 Code division multiplex transmission
EP81104133A EP0041253B1 (en) 1980-05-30 1981-05-29 Transmitter-receiver to be coupled to a directional transmission line of a spread-spectrum multiplex communication network
CA000378694A CA1165476A (en) 1980-05-30 1981-05-29 Modem to be coupled to a directional transmission line of an ss multiplex communication network
DE8181104133T DE3172013D1 (en) 1980-05-30 1981-05-29 Transmitter-receiver to be coupled to a directional transmission line of a spread-spectrum multiplex communication network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7235280A JPS579144A (en) 1980-05-30 1980-05-30 Modulation and demodulation device

Publications (2)

Publication Number Publication Date
JPS579144A JPS579144A (en) 1982-01-18
JPS639698B2 true JPS639698B2 (https=) 1988-03-01

Family

ID=13486825

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7235280A Granted JPS579144A (en) 1980-05-30 1980-05-30 Modulation and demodulation device

Country Status (1)

Country Link
JP (1) JPS579144A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61284860A (ja) * 1985-06-10 1986-12-15 Pioneer Electronic Corp 磁気記録再生装置

Also Published As

Publication number Publication date
JPS579144A (en) 1982-01-18

Similar Documents

Publication Publication Date Title
EP0098300B1 (en) Simultaneous transmission of two information signals within a band-limited communications channel
EP0836303B1 (en) Method and apparatus for reduction of peak to average power ratio
US7426242B2 (en) Orthogonal frequency digital multiplexing correlation canceller
JP4771646B2 (ja) ゴレイ相補系列変調によるスペクトラム拡散ディジタル通信方法、送信機および受信機
US6396868B1 (en) Spread spectrum signal generating device and method in transmitter of mobile communications system
EP0348167B1 (en) Digital communicating method and apparatus
GB2228651A (en) Spread spectrum communication device
KR960043571A (ko) 직교주파수분할다중신호용 송 · 수신기를 갖는 통신시스템
Utlaut Spread spectrum: Principles and possible application to spectrum utilization and allocation
JPH1070488A (ja) チャープスペクトラム拡散信号多重化装置
US5668806A (en) Spread spectrum communication apparatus
Kochevar Spread spectrum multiple access communications experiment through a satellite
JPS639698B2 (https=)
KR20010101332A (ko) 일정 엔벨로프 변조 통신 시스템
EP0903871A2 (en) Spread spectrum signal generating device and method
CN111211807A (zh) 一种多路载波叠加多址接入方法及系统
JPH0750649A (ja) 符号分割多重通信方法、その送信装置及び受信装置
JPS6158338A (ja) スペクトラム拡散位相符号化電力線通信方法
JP2556141B2 (ja) スペクトル拡散通信方式
JPH0530079A (ja) スペクトラム拡散変調装置
US1502889A (en) Method of and system for radiosignaling
JPS6086935A (ja) スペクトラム拡散電力線通信方式
JPS6336695B2 (https=)
KR19980039215A (ko) 확산 대역 방식을 이용한 방송 시스템
JPH1041918A (ja) スペクトル拡散通信用送信装置