FI982479A - Adaptiv modem och förfarande för adaptivt väljande av modulationssätt - Google Patents

Adaptiv modem och förfarande för adaptivt väljande av modulationssätt Download PDF

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Publication number
FI982479A
FI982479A FI982479A FI982479A FI982479A FI 982479 A FI982479 A FI 982479A FI 982479 A FI982479 A FI 982479A FI 982479 A FI982479 A FI 982479A FI 982479 A FI982479 A FI 982479A
Authority
FI
Finland
Prior art keywords
adaptively selecting
adaptive modem
modulation method
modulation
modem
Prior art date
Application number
FI982479A
Other languages
English (en)
Finnish (fi)
Other versions
FI982479A0 (sv
Inventor
Pauli Lallo
Pekka Peltoniemi
Mauri Sekki
Ilpo Tervapuro
Original Assignee
Pauli Lallo
Pekka Peltoniemi
Mauri Sekki
Ilpo Tervapuro
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 Pauli Lallo, Pekka Peltoniemi, Mauri Sekki, Ilpo Tervapuro filed Critical Pauli Lallo
Priority to FI982479A priority Critical patent/FI982479A/sv
Publication of FI982479A0 publication Critical patent/FI982479A0/sv
Priority to AU13893/00A priority patent/AU1389300A/en
Priority to PCT/FI1999/000952 priority patent/WO2000033501A2/en
Publication of FI982479A publication Critical patent/FI982479A/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Communication Control (AREA)
  • Telephonic Communication Services (AREA)
FI982479A 1998-11-17 1998-11-17 Adaptiv modem och förfarande för adaptivt väljande av modulationssätt FI982479A (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI982479A FI982479A (sv) 1998-11-17 1998-11-17 Adaptiv modem och förfarande för adaptivt väljande av modulationssätt
AU13893/00A AU1389300A (en) 1998-11-17 1999-11-17 Adaptive modem and method for adaptive election of modulation mode
PCT/FI1999/000952 WO2000033501A2 (en) 1998-11-17 1999-11-17 Adaptive modem and method for adaptive election of modulation mode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI982479A FI982479A (sv) 1998-11-17 1998-11-17 Adaptiv modem och förfarande för adaptivt väljande av modulationssätt

Publications (2)

Publication Number Publication Date
FI982479A0 FI982479A0 (sv) 1998-11-17
FI982479A true FI982479A (sv) 2000-05-18

Family

ID=8552924

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982479A FI982479A (sv) 1998-11-17 1998-11-17 Adaptiv modem och förfarande för adaptivt väljande av modulationssätt

Country Status (3)

Country Link
AU (1) AU1389300A (sv)
FI (1) FI982479A (sv)
WO (1) WO2000033501A2 (sv)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5063574A (en) * 1990-03-06 1991-11-05 Moose Paul H Multi-frequency differentially encoded digital communication for high data rate transmission through unequalized channels
US5764699A (en) * 1994-03-31 1998-06-09 Motorola, Inc. Method and apparatus for providing adaptive modulation in a radio communication system
US5715277A (en) * 1995-07-28 1998-02-03 Motorola, Inc. Apparatus and method for determining a symbol rate and a carrier frequency for data transmission and reception
US6002722A (en) * 1996-05-09 1999-12-14 Texas Instruments Incorporated Multimode digital modem
KR19980024329A (ko) * 1996-09-04 1998-07-06 윌리엄 비. 켐플러 스플릿 모뎀

Also Published As

Publication number Publication date
WO2000033501A2 (en) 2000-06-08
AU1389300A (en) 2000-06-19
WO2000033501A3 (en) 2000-08-10
FI982479A0 (sv) 1998-11-17

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