[go: up one dir, main page]

GB2315379B - Non-linear filter apparatus - Google Patents

Non-linear filter apparatus

Info

Publication number
GB2315379B
GB2315379B GB9614588A GB9614588A GB2315379B GB 2315379 B GB2315379 B GB 2315379B GB 9614588 A GB9614588 A GB 9614588A GB 9614588 A GB9614588 A GB 9614588A GB 2315379 B GB2315379 B GB 2315379B
Authority
GB
United Kingdom
Prior art keywords
filter apparatus
linear filter
linear
filter
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
GB9614588A
Other versions
GB2315379A (en
GB9614588D0 (en
Inventor
Anthony Peter Hulbert
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research 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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Priority to GB9614588A priority Critical patent/GB2315379B/en
Publication of GB9614588D0 publication Critical patent/GB9614588D0/en
Publication of GB2315379A publication Critical patent/GB2315379A/en
Application granted granted Critical
Publication of GB2315379B publication Critical patent/GB2315379B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB9614588A 1996-07-11 1996-07-11 Non-linear filter apparatus Expired - Fee Related GB2315379B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9614588A GB2315379B (en) 1996-07-11 1996-07-11 Non-linear filter apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9614588A GB2315379B (en) 1996-07-11 1996-07-11 Non-linear filter apparatus

Publications (3)

Publication Number Publication Date
GB9614588D0 GB9614588D0 (en) 1996-09-04
GB2315379A GB2315379A (en) 1998-01-28
GB2315379B true GB2315379B (en) 2001-01-10

Family

ID=10796748

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9614588A Expired - Fee Related GB2315379B (en) 1996-07-11 1996-07-11 Non-linear filter apparatus

Country Status (1)

Country Link
GB (1) GB2315379B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340352B (en) * 1998-07-31 2003-05-07 Roke Manor Research Sampling means for use with rake receiver
US6515961B1 (en) 1999-03-10 2003-02-04 Qualcomm Incorporated Decresting peaks in a CDMA signal
US6504862B1 (en) 1999-06-02 2003-01-07 Nortel Networks Limited Method and apparatus for reducing the ratio of peak to average power in a Gaussian signal including a CDMA signal
IT1311679B1 (en) * 1999-06-17 2002-03-19 Itelco S P A PRE-DISTORTION SYSTEM FOR THE LINEARIZATION OF AMPLIFIERS.
US6741661B2 (en) 2001-05-22 2004-05-25 Qualcomm Incorporated Method and apparatus for peak-to-average power reduction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5201071A (en) * 1990-09-26 1993-04-06 Rockwell International Corporation Method and apparatus for reducing the peak envelope voltage of an RF transmitter while maintaining signal average power
WO1993009619A1 (en) * 1991-11-01 1993-05-13 Motorola, Inc. Peak to average power ratio reduction methodology for qam communications systems
US5287387A (en) * 1992-03-06 1994-02-15 Motorola, Inc. Low splatter peak-to-average signal reduction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5201071A (en) * 1990-09-26 1993-04-06 Rockwell International Corporation Method and apparatus for reducing the peak envelope voltage of an RF transmitter while maintaining signal average power
WO1993009619A1 (en) * 1991-11-01 1993-05-13 Motorola, Inc. Peak to average power ratio reduction methodology for qam communications systems
US5287387A (en) * 1992-03-06 1994-02-15 Motorola, Inc. Low splatter peak-to-average signal reduction

Also Published As

Publication number Publication date
GB2315379A (en) 1998-01-28
GB9614588D0 (en) 1996-09-04

Similar Documents

Publication Publication Date Title
ZA959361B (en) Filtering apparatus
HK1009904A1 (en) Reading-recording apparatus
GB9417170D0 (en) Non-linear filtering
IL129296A0 (en) Filtration apparatus
GB9325391D0 (en) Filter apparatus
SG53087A1 (en) Compound-playback apparatus
GB9703502D0 (en) Filtration apparatus
GB2315379B (en) Non-linear filter apparatus
GB2328383B (en) Filtration apparatus
GB9601581D0 (en) Compacting apparatus
GB9526629D0 (en) Filter apparatus
GB2320382B (en) Infrared-transmitted apparatus
GB9603936D0 (en) Filter apparatus
GB9620411D0 (en) Filter apparatus
GB9421083D0 (en) Filtration apparatus
AU5039996A (en) Filtration apparatus
TW362751U (en) Lampblack filtering apparatus
IL109214A0 (en) Filtering apparatus
AUPN988396A0 (en) Filtering apparatus
GB9401754D0 (en) Filtration apparatus
GB9720111D0 (en) Filtering apparatus
AU137713S (en) Filtering apparatus
TW303727U (en) Pre-moisturing device for air-compression-type filter
GB9501082D0 (en) Filter apparatus
GB9520312D0 (en) Filter apparatus

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030711