BR9913061A - Técnica de deslocamento no tempo para aumentar a capacidade de um sistema cdma - Google Patents

Técnica de deslocamento no tempo para aumentar a capacidade de um sistema cdma

Info

Publication number
BR9913061A
BR9913061A BR9913061-0A BR9913061A BR9913061A BR 9913061 A BR9913061 A BR 9913061A BR 9913061 A BR9913061 A BR 9913061A BR 9913061 A BR9913061 A BR 9913061A
Authority
BR
Brazil
Prior art keywords
transmission power
time
regions
capacity
increase
Prior art date
Application number
BR9913061-0A
Other languages
English (en)
Portuguese (pt)
Inventor
Stein A Lundby
Edward G Tiedemann Jr
Jack M Holtzman
Daisuke Terasawa
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR9913061A publication Critical patent/BR9913061A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • 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
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • 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
    • 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
    • H04B2201/70707—Efficiency-related aspects
    • H04B2201/70709—Efficiency-related aspects with discontinuous detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Transmitters (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BR9913061-0A 1998-08-19 1999-08-17 Técnica de deslocamento no tempo para aumentar a capacidade de um sistema cdma BR9913061A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/136,699 US6393010B1 (en) 1998-08-19 1998-08-19 Time offset technique for increasing the capacity of a CDMA system
PCT/US1999/018856 WO2000011802A1 (en) 1998-08-19 1999-08-17 Time offset technique for increasing the capacity of a cdma system

Publications (1)

Publication Number Publication Date
BR9913061A true BR9913061A (pt) 2002-01-15

Family

ID=22473973

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9913061-0A BR9913061A (pt) 1998-08-19 1999-08-17 Técnica de deslocamento no tempo para aumentar a capacidade de um sistema cdma

Country Status (18)

Country Link
US (2) US6393010B1 (https=)
EP (2) EP1808966A1 (https=)
JP (2) JP4354649B2 (https=)
KR (1) KR100737220B1 (https=)
CN (1) CN1141799C (https=)
AR (1) AR025801A1 (https=)
AT (1) ATE379881T1 (https=)
AU (1) AU767202B2 (https=)
BR (1) BR9913061A (https=)
CA (1) CA2340942A1 (https=)
DE (1) DE69937643T2 (https=)
ES (1) ES2296402T3 (https=)
ID (1) ID29492A (https=)
IL (2) IL141509A0 (https=)
NO (1) NO325815B1 (https=)
RU (1) RU2001107124A (https=)
TW (1) TW480838B (https=)
WO (1) WO2000011802A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1065800A1 (en) * 1999-07-02 2001-01-03 Lucent Technologies Inc. Code division multiple access system having improved pilot channels
JP4704222B2 (ja) * 2006-01-27 2011-06-15 富士通株式会社 無線通信システム
US20100177807A1 (en) * 2009-01-09 2010-07-15 Samsung Electronics Co., Ltd. Method and apparatus for relaying wireless traffic in a wireless network
JP5212453B2 (ja) * 2010-12-03 2013-06-19 富士通株式会社 無線通信システム
US9287906B2 (en) 2011-12-19 2016-03-15 Nec Corporation Transmission apparatus and wireless signal transmission method
US10149255B2 (en) * 2015-05-01 2018-12-04 Qualcomm Incorporated Low latency uplink power control

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4455761A (en) * 1981-11-12 1984-06-26 Terhune Robert D Pneumatic polymer eductor conveyor dryer
CA2145566C (en) * 1994-04-29 1999-12-28 Nambirajan Seshadri Methods of and devices for enhancing communications that use spread spectrum technology
US5659580A (en) * 1994-11-29 1997-08-19 Lucent Technologies Inc. Data interleaver for use with mobile communication systems and having a contiguous counter and an address twister
JP2934185B2 (ja) 1996-03-15 1999-08-16 松下電器産業株式会社 Ｃｄｍａセルラ無線基地局装置および移動局装置および送信方法
EP0965186A1 (en) 1996-10-18 1999-12-22 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Transmission timing offset method for ds-cdma mobile telephone systems
JPH10190626A (ja) 1996-12-27 1998-07-21 Matsushita Electric Ind Co Ltd Ｃｄｍａ受信装置
US5930248A (en) * 1997-03-04 1999-07-27 Telefonaktiebolaget Lm Ericsson Radio communication system selectively using multicast with variable offset time
US5974315A (en) * 1997-09-03 1999-10-26 Lockheed Martin Corporation Spacecraft cellular communication system
US6317435B1 (en) * 1999-03-08 2001-11-13 Qualcomm Incorporated Method and apparatus for maximizing the use of available capacity in a communication system
EP1039662A1 (en) * 1999-03-25 2000-09-27 Alcatel Improvements to a telecommunication system using code division multiple access (CDMA)

Also Published As

Publication number Publication date
RU2001107124A (ru) 2003-03-10
CN1141799C (zh) 2004-03-10
IL141509A0 (en) 2002-03-10
WO2000011802A1 (en) 2000-03-02
NO325815B1 (no) 2008-07-21
KR100737220B1 (ko) 2007-07-09
AU5491999A (en) 2000-03-14
KR20010072789A (ko) 2001-07-31
CA2340942A1 (en) 2000-03-02
JP4354649B2 (ja) 2009-10-28
US6965589B2 (en) 2005-11-15
EP1808966A1 (en) 2007-07-18
US6393010B1 (en) 2002-05-21
JP2002523963A (ja) 2002-07-30
ID29492A (id) 2001-08-30
EP1105976B1 (en) 2007-11-28
CN1319279A (zh) 2001-10-24
JP2009022015A (ja) 2009-01-29
NO20010828D0 (no) 2001-02-19
DE69937643T2 (de) 2008-10-30
TW480838B (en) 2002-03-21
HK1038451A1 (en) 2002-03-15
ES2296402T3 (es) 2008-04-16
AR025801A1 (es) 2002-12-18
NO20010828L (no) 2001-03-29
IL141509A (en) 2006-06-11
ATE379881T1 (de) 2007-12-15
US20020101833A1 (en) 2002-08-01
DE69937643D1 (de) 2008-01-10
EP1105976A1 (en) 2001-06-13
AU767202B2 (en) 2003-11-06

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]