GB1585926A - Method of transmitting information - Google Patents

Method of transmitting information Download PDF

Info

Publication number
GB1585926A
GB1585926A GB4925977A GB4925977A GB1585926A GB 1585926 A GB1585926 A GB 1585926A GB 4925977 A GB4925977 A GB 4925977A GB 4925977 A GB4925977 A GB 4925977A GB 1585926 A GB1585926 A GB 1585926A
Authority
GB
United Kingdom
Prior art keywords
channel
sine
information
cosine
sequence
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
GB4925977A
Other languages
English (en)
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB1585926A publication Critical patent/GB1585926A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/24Testing correct operation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/015Reducing echo effects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/05Electric or magnetic storage of signals before transmitting or retransmitting for changing the transmission rate
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Relay Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB4925977A 1976-11-27 1977-11-25 Method of transmitting information Expired GB1585926A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762653970 DE2653970C2 (de) 1976-11-27 1976-11-27 Nachrichtenübertragungsverfahren

Publications (1)

Publication Number Publication Date
GB1585926A true GB1585926A (en) 1981-03-11

Family

ID=5994139

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4925977A Expired GB1585926A (en) 1976-11-27 1977-11-25 Method of transmitting information

Country Status (3)

Country Link
DE (1) DE2653970C2 (enExample)
FR (1) FR2372552A1 (enExample)
GB (1) GB1585926A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2822874A1 (de) * 1976-02-28 1979-11-29 Licentia Gmbh Nachrichtenuebertragungsverfahren
DE3416038A1 (de) * 1984-04-30 1985-10-31 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Nachrichtenuebertragungsverfahren der telegraphie
DE3522859A1 (de) * 1985-06-26 1987-01-08 Siemens Ag Schmalbandiges rbertragungsverfahren fuer ein digitales mobiles funksystem
DE3918340A1 (de) * 1989-06-06 1990-12-13 Thomson Brandt Gmbh Verfahren zur signalentzerrung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971996A (en) * 1973-01-18 1976-07-27 Hycom Incorporated Phase tracking network
DE2608258C2 (de) * 1976-02-28 1984-04-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einseitenband- oder Zweiseitenband- Nachrichtenübertragungsverfahren ohne Träger

Also Published As

Publication number Publication date
DE2653970C2 (de) 1985-12-05
FR2372552A1 (fr) 1978-06-23
DE2653970A1 (de) 1978-06-01
FR2372552B1 (enExample) 1984-10-19

Similar Documents

Publication Publication Date Title
US4761796A (en) High frequency spread spectrum communication system terminal
US5841816A (en) Diversity Pi/4-DQPSK demodulation
US4675880A (en) Antimultipath communication by injecting tone into null in signal spectrum
US4085378A (en) QPSK demodulator
KR950012827B1 (ko) 시간-분산된 신호의 디버시티 수신용 방법 및 장치
US4519084A (en) Matched filter for combating multipath fading
US4899367A (en) Multi-level quadrature amplitude modulator system with fading compensation means
US5305347A (en) Method of detecting the frequency deviation in digital communication transmissions
AU5989601A (en) A receiver device for a mobile radio communication unit employing a speed estimator
JPH07154436A (ja) Msk位相捕捉およびトラッキング方法
US4035725A (en) Automatic passband equalizer for data transmission systems
US4539689A (en) Fast learn digital adaptive equalizer
JPS5938780B2 (ja) デジタル・モデムを同期する方式
Remvik et al. Carrier frequency offset robustness for OFDM systems with different pulse shaping filters
GB1585926A (en) Method of transmitting information
US5432819A (en) DPSK communications with Doppler compensation
CA2275615A1 (en) Interference rejection combining with frequency correction
EP0789466B1 (en) Frequency error measuring apparatus and radio apparatus
JP2000069096A (ja) 自動周波数制御回路
WO1995020848A1 (en) Digital transmission system
JPH07154129A (ja) Lms方式のアダプティブアレイアンテナ装置
CN101010871B (zh) 用于无线通信终端的接收机和方法
US4553086A (en) Carrier power to noise power ratio measuring system for TDMA signals
Morais et al. The effects of the amplitude and delay slope components of frequency selective fading on QPSK, Offset QPSK and 8 PSK systems
RU2826048C1 (ru) Помехоустойчивая система декаметровой радиосвязи с высокоскоростной передачей данных

Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921125