GB2337670B - Method and Apparatus for Generating a Pulse Function - Google Patents

Method and Apparatus for Generating a Pulse Function

Info

Publication number
GB2337670B
GB2337670B GB9805504A GB9805504A GB2337670B GB 2337670 B GB2337670 B GB 2337670B GB 9805504 A GB9805504 A GB 9805504A GB 9805504 A GB9805504 A GB 9805504A GB 2337670 B GB2337670 B GB 2337670B
Authority
GB
United Kingdom
Prior art keywords
generating
pulse function
pulse
function
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 - Fee Related
Application number
GB9805504A
Other versions
GB9805504D0 (en
GB2337670A (en
Inventor
Natividade Albert Lobo
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
Nokia Oyj
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
Priority claimed from GBGB9801302.2A external-priority patent/GB9801302D0/en
Priority claimed from GBGB9801306.3A external-priority patent/GB9801306D0/en
Priority claimed from GBGB9801305.5A external-priority patent/GB9801305D0/en
Priority claimed from GBGB9801308.9A external-priority patent/GB9801308D0/en
Priority claimed from GBGB9804600.6A external-priority patent/GB9804600D0/en
Priority claimed from GBGB9805126.1A external-priority patent/GB9805126D0/en
Priority claimed from GBGB9805234.3A external-priority patent/GB9805234D0/en
Application filed by Nokia Mobile Phones Ltd, Nokia Oyj filed Critical Nokia Mobile Phones Ltd
Publication of GB9805504D0 publication Critical patent/GB9805504D0/en
Priority to GB9814300A priority Critical patent/GB2333673A/en
Priority to GB9824426A priority patent/GB2333674B/en
Priority to EP99901763A priority patent/EP1050139B1/en
Priority to GB0018670A priority patent/GB2349318A/en
Priority to AU21764/99A priority patent/AU2176499A/en
Priority to AU21765/99A priority patent/AU2176599A/en
Priority to PCT/GB1999/000201 priority patent/WO1999038297A1/en
Priority to EP99901764A priority patent/EP1050142A2/en
Priority to PCT/GB1999/000203 priority patent/WO1999038298A1/en
Priority to EP99901765A priority patent/EP1050140A1/en
Priority to JP2000529065A priority patent/JP4127349B2/en
Priority to JP2000529067A priority patent/JP2002502150A/en
Priority to GB0018666A priority patent/GB2349317A/en
Priority to PCT/GB1999/000202 priority patent/WO1999038300A2/en
Priority to AU21766/99A priority patent/AU2176699A/en
Priority to DE69940632T priority patent/DE69940632D1/en
Priority to CNB998042684A priority patent/CN1187940C/en
Priority to ES99901763T priority patent/ES2321353T3/en
Priority to CNB998042617A priority patent/CN1156121C/en
Priority to GB0018658A priority patent/GB2350762A/en
Priority to JP2000529064A priority patent/JP4015363B2/en
Priority to CN 99804262 priority patent/CN1294807A/en
Publication of GB2337670A publication Critical patent/GB2337670A/en
Priority to US09/625,201 priority patent/US7274747B1/en
Priority to US09/625,202 priority patent/US7054658B1/en
Publication of GB2337670B publication Critical patent/GB2337670B/en
Application granted granted Critical
Priority to US11/839,771 priority patent/US20070280375A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9805504A 1998-01-21 1998-03-13 Method and Apparatus for Generating a Pulse Function Expired - Fee Related GB2337670B (en)

Priority Applications (25)

Application Number Priority Date Filing Date Title
GB9814300A GB2333673A (en) 1998-01-21 1998-07-01 Despreading a signal which has been spread by a code and modulated according to a non-linear modulation scheme
GB9824426A GB2333674B (en) 1998-01-21 1998-11-06 A radio telephone
DE69940632T DE69940632D1 (en) 1998-01-21 1999-01-21 PULSE FORMING THE COMPONENT DISTORTION COMPENSATED
CNB998042684A CN1187940C (en) 1998-01-21 1999-01-21 Pulse shaping according to modulation scheme
ES99901763T ES2321353T3 (en) 1998-01-21 1999-01-21 CONFORMATION OF IMPULSES TO COMPENSATE THE DISTORTION OF A COMPONENT.
GB0018658A GB2350762A (en) 1998-01-21 1999-01-21 Radio telephone for spread-spectrum system using nonlinear modulation
JP2000529064A JP4015363B2 (en) 1998-01-21 1999-01-21 Pulse shaping method for compensating for distortion due to components
EP99901763A EP1050139B1 (en) 1998-01-21 1999-01-21 Pulse shaping which compensates for component distortion
GB0018670A GB2349318A (en) 1998-01-21 1999-01-21 Pulse shaping according to modulation scheme
CNB998042617A CN1156121C (en) 1998-01-21 1999-01-21 Pulse shaping which compensates for component distortion
CN 99804262 CN1294807A (en) 1998-01-21 1999-01-21 Radio telephone for spread-spectrum system using nonlinear modulation
AU21764/99A AU2176499A (en) 1998-01-21 1999-01-21 Pulse shaping which compensates for component distortion
AU21765/99A AU2176599A (en) 1998-01-21 1999-01-21 Radio telephone for spread-spectrum system using nonlinear modulation
PCT/GB1999/000201 WO1999038297A1 (en) 1998-01-21 1999-01-21 Pulse shaping which compensates for component distortion
EP99901764A EP1050142A2 (en) 1998-01-21 1999-01-21 Radio telephone for spread-spectrum system using nonlinear modulation
PCT/GB1999/000203 WO1999038298A1 (en) 1998-01-21 1999-01-21 Pulse shaping according to modulation scheme
EP99901765A EP1050140A1 (en) 1998-01-21 1999-01-21 Pulse shaping according to modulation scheme
JP2000529065A JP4127349B2 (en) 1998-01-21 1999-01-21 Pulse shaping method with modulation scheme
JP2000529067A JP2002502150A (en) 1998-01-21 1999-01-21 Radiotelephone for spread spectrum system using nonlinear modulation method
GB0018666A GB2349317A (en) 1998-01-21 1999-01-21 Pulse shaping which compensates for component distortion
PCT/GB1999/000202 WO1999038300A2 (en) 1998-01-21 1999-01-21 Radio telephone for spread-spectrum system using nonlinear modulation
AU21766/99A AU2176699A (en) 1998-01-21 1999-01-21 Pulse shaping according to modulation scheme
US09/625,202 US7054658B1 (en) 1998-01-21 2000-07-21 Pulse shaping according to modulation scheme
US09/625,201 US7274747B1 (en) 1998-01-21 2000-07-21 Pulse shaping which compensates for component distortion
US11/839,771 US20070280375A1 (en) 1998-01-21 2007-08-16 Pulse shaping which compensates for component distortion

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB9801308.9A GB9801308D0 (en) 1998-01-21 1998-01-21 Receiver/modulator
GBGB9801305.5A GB9801305D0 (en) 1998-01-21 1998-01-21 Optimizer
GBGB9801306.3A GB9801306D0 (en) 1998-01-21 1998-01-21 Receiver/modulator
GBGB9801302.2A GB9801302D0 (en) 1998-01-21 1998-01-21 Mobile phone system
GBGB9804600.6A GB9804600D0 (en) 1998-03-05 1998-03-05 A cdma modulator/demodulator
GBGB9805126.1A GB9805126D0 (en) 1998-03-11 1998-03-11 A transceiver
GBGB9805234.3A GB9805234D0 (en) 1998-01-21 1998-03-12 A radio telephone

Publications (3)

Publication Number Publication Date
GB9805504D0 GB9805504D0 (en) 1998-05-13
GB2337670A GB2337670A (en) 1999-11-24
GB2337670B true GB2337670B (en) 2003-08-27

Family

ID=27562944

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9805504A Expired - Fee Related GB2337670B (en) 1998-01-21 1998-03-13 Method and Apparatus for Generating a Pulse Function

Country Status (1)

Country Link
GB (1) GB2337670B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2351633A (en) * 1999-07-01 2001-01-03 Nokia Mobile Phones Ltd Optimising pulse shaping for radio telephones
US7020070B2 (en) 2001-04-10 2006-03-28 Telefonaktiebolaget L M Ericsson (Publ) Selectively controlled modulation distortion of an IQ-baseband signal

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737969A (en) * 1987-01-28 1988-04-12 Motorola, Inc. Spectrally efficient digital modulation method and apparatus
US4750192A (en) * 1986-06-24 1988-06-07 Bbc Brown Boveri Ag Method for transmitting digital data by means of continuous phase modulation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4750192A (en) * 1986-06-24 1988-06-07 Bbc Brown Boveri Ag Method for transmitting digital data by means of continuous phase modulation
US4737969A (en) * 1987-01-28 1988-04-12 Motorola, Inc. Spectrally efficient digital modulation method and apparatus

Also Published As

Publication number Publication date
GB9805504D0 (en) 1998-05-13
GB2337670A (en) 1999-11-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120313