ES2146567T3 - Filtro adaptativo adaptado. - Google Patents
Filtro adaptativo adaptado.Info
- Publication number
- ES2146567T3 ES2146567T3 ES99122088T ES99122088T ES2146567T3 ES 2146567 T3 ES2146567 T3 ES 2146567T3 ES 99122088 T ES99122088 T ES 99122088T ES 99122088 T ES99122088 T ES 99122088T ES 2146567 T3 ES2146567 T3 ES 2146567T3
- Authority
- ES
- Spain
- Prior art keywords
- signal
- code
- expansion
- pilot
- data
- 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 - Lifetime
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
- H04B7/2637—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for logical channel control
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
- G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control
- G06F13/374—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control using a self-select method with individual priority code comparator
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0223—Computation saving measures; Accelerating measures
- H03H17/0225—Measures concerning the multipliers
- H03H17/0226—Measures concerning the multipliers comprising look-up tables
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- 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
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- H—ELECTRICITY
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- 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
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
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- 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
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
- H04B1/70753—Partial phase search
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- H—ELECTRICITY
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- 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
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- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
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- H—ELECTRICITY
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- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/70755—Setting of lock conditions, e.g. threshold
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- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
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- H04B1/70758—Multimode search, i.e. using multiple search strategies
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- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
- H04B1/7075—Synchronisation aspects with code phase acquisition
- H04B1/708—Parallel implementation
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- 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
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- H04B1/7073—Synchronisation aspects
- H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
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- 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
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- H04B1/709—Correlator structure
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- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
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- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
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- H—ELECTRICITY
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- H04J—MULTIPLEX COMMUNICATION
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- H04J13/102—Combining codes
- H04J13/107—Combining codes by concatenation
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0041—Arrangements at the transmitter end
- H04L1/0042—Encoding specially adapted to other signal generation operation, e.g. in order to reduce transmit distortions, jitter, or to improve signal shape
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- H04L1/0056—Systems characterized by the type of code used
- H04L1/0059—Convolutional codes
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- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
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- 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
- H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
- H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
- H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
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- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1438—Negotiation of transmission parameters prior to communication
- H04L5/1446—Negotiation of transmission parameters prior to communication of transmission speed
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/333—Mode signalling or mode changing; Handshaking therefor
- H04N1/3333—Mode signalling or mode changing; Handshaking therefor during transmission, input or output of the picture signal; within a single document or page
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- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
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1996
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- 1996-06-27 EP EP10182350A patent/EP2273689B1/en not_active Expired - Lifetime
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- 1996-06-27 WO PCT/US1996/011059 patent/WO1997002675A2/en active Search and Examination
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- 1996-06-27 DK DK02005245T patent/DK1237293T3/da active
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- 1996-06-27 DE DE0986186T patent/DE986186T1/de active Pending
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- 1996-06-27 KR KR10-2001-7003286A patent/KR100383225B1/ko not_active IP Right Cessation
- 1996-06-27 EP EP99126233A patent/EP0991205A3/en not_active Ceased
- 1996-06-27 KR KR1020057021648A patent/KR100625757B1/ko not_active IP Right Cessation
- 1996-06-27 EP EP02005244A patent/EP1213854B1/en not_active Expired - Lifetime
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- 1996-06-27 DK DK96922615T patent/DK0836770T3/da active
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- 1996-06-27 DE DE1156593T patent/DE1156593T1/de active Pending
- 1996-06-27 KR KR1020057004172A patent/KR100632845B1/ko not_active IP Right Cessation
- 1996-06-27 DE DE69638368T patent/DE69638368D1/de not_active Expired - Lifetime
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- 1996-06-27 ES ES99122097T patent/ES2146569T3/es not_active Expired - Lifetime
- 1996-06-27 ES ES02005244T patent/ES2234939T3/es not_active Expired - Lifetime
- 1996-06-27 KR KR1020067002780A patent/KR100687596B1/ko not_active IP Right Cessation
- 1996-06-27 ES ES96923525T patent/ES2167584T3/es not_active Expired - Lifetime
- 1996-06-27 ES ES99126233T patent/ES2147548T1/es active Pending
- 1996-06-27 CA CA2645140A patent/CA2645140C/en not_active Expired - Lifetime
- 1996-06-27 ES ES99122091T patent/ES2146568T3/es not_active Expired - Lifetime
- 1996-06-27 ES ES09015385.9T patent/ES2437178T3/es not_active Expired - Lifetime
- 1996-06-27 WO PCT/US1996/011060 patent/WO1997002665A2/en active Application Filing
- 1996-06-27 DE DE69634389T patent/DE69634389T2/de not_active Expired - Lifetime
- 1996-06-27 EP EP10179480A patent/EP2259450A3/en not_active Withdrawn
- 1996-06-27 DE DE0001237293T patent/DE02005245T1/de active Pending
- 1996-06-27 CN CN96195906A patent/CN1095257C/zh not_active Expired - Lifetime
- 1996-06-27 AU AU64015/96A patent/AU6401596A/en not_active Abandoned
- 1996-06-27 ES ES10182350T patent/ES2398375T3/es not_active Expired - Lifetime
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- 1996-06-27 DK DK02005247T patent/DK1213846T3/da active
- 1996-06-27 AT AT02005244T patent/ATE289715T1/de not_active IP Right Cessation
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- 1996-06-27 EP EP02005245A patent/EP1237293B1/en not_active Expired - Lifetime
- 1996-06-27 DK DK01118805T patent/DK1156593T3/da active
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- 1996-06-27 EP EP10182412A patent/EP2285169A3/en not_active Withdrawn
- 1996-06-27 PT PT96923525T patent/PT835568E/pt unknown
- 1996-06-27 EP EP99122088A patent/EP0986186B1/en not_active Expired - Lifetime
- 1996-06-27 DK DK99122098T patent/DK0986188T3/da active
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- 1996-06-27 CN CNA2006101007747A patent/CN1905390A/zh active Pending
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- 1996-06-27 EP EP96923525A patent/EP0835568B1/en not_active Expired - Lifetime
- 1996-06-27 DE DE69633351T patent/DE69633351T2/de not_active Expired - Lifetime
- 1996-06-27 AT AT99122098T patent/ATE289134T1/de not_active IP Right Cessation
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- 1996-06-27 DK DK99122091T patent/DK0984577T3/da active
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- 1996-06-27 AT AT96923525T patent/ATE209834T1/de active
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- 1996-06-28 AR ARP960103375A patent/AR002638A1/es unknown
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- 1996-06-28 ID IDP20000783A patent/ID26191A/id unknown
- 1996-06-28 ID IDP20000786A patent/ID25597A/id unknown
- 1996-06-28 ID IDP20000776D patent/ID25599A/id unknown
- 1996-06-28 ID IDP20000778A patent/ID26190A/id unknown
- 1996-06-28 ID IDP20000779A patent/ID25596A/id unknown
- 1996-07-01 AP APAP/P/1996/000832A patent/AP681A/en active
- 1996-07-01 AP APAP/P/1998/001214A patent/AP682A/en active
- 1996-12-23 TW TW085115906A patent/TW318983B/zh not_active IP Right Cessation
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1997
- 1997-01-12 SA SA06270486A patent/SA06270486B1/ar unknown
- 1997-03-13 ID IDP20000777D patent/ID26100A/id unknown
- 1997-10-23 US US08/956,740 patent/US6215778B1/en not_active Expired - Lifetime
- 1997-10-23 US US08/956,980 patent/US6212174B1/en not_active Expired - Lifetime
- 1997-12-18 FI FI974553A patent/FI115810B/fi not_active IP Right Cessation
- 1997-12-18 FI FI974554A patent/FI119163B/fi not_active IP Right Cessation
- 1997-12-18 FI FI974552A patent/FI118500B/fi not_active IP Right Cessation
- 1997-12-29 NO NO19976095A patent/NO318270B1/no not_active IP Right Cessation
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1998
- 1998-02-17 US US09/024,473 patent/US5991332A/en not_active Expired - Lifetime
- 1998-03-04 US US09/034,855 patent/US6272168B1/en not_active Expired - Lifetime
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1999
- 1999-03-02 HK HK99100840A patent/HK1015983A1/xx not_active IP Right Cessation
- 1999-03-03 US US09/261,689 patent/US6381264B1/en not_active Expired - Lifetime
- 1999-11-22 US US09/444,079 patent/US6229843B1/en not_active Expired - Lifetime
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2000
- 2000-07-10 AR ARP000103524A patent/AR034092A2/es not_active Application Discontinuation
- 2000-07-10 AR ARP000103518A patent/AR033949A2/es not_active Application Discontinuation
- 2000-07-10 AR ARP000103517A patent/AR033339A2/es not_active Application Discontinuation
- 2000-07-10 AR ARP000103520A patent/AR033492A2/es not_active Application Discontinuation
- 2000-07-10 AR ARP000103521A patent/AR033493A2/es not_active Application Discontinuation
- 2000-07-10 AR ARP000103523A patent/AR033798A2/es not_active Application Discontinuation
- 2000-07-10 AR ARP000103522A patent/AR033494A2/es not_active Application Discontinuation
- 2000-07-10 AR ARP000103526A patent/AR034093A2/es not_active Application Discontinuation
- 2000-07-10 AR ARP000103519A patent/AR033491A2/es not_active Application Discontinuation
- 2000-07-10 AR ARP000103525A patent/AR033950A2/es not_active Application Discontinuation
- 2000-09-06 HK HK00105623A patent/HK1026537A1/xx not_active IP Right Cessation
- 2000-09-09 HK HK00105698A patent/HK1026532A1/xx not_active IP Right Cessation
- 2000-09-09 HK HK00105700A patent/HK1026534A1/xx not_active IP Right Cessation
- 2000-09-09 HK HK00105699A patent/HK1026533A1/xx not_active IP Right Cessation
- 2000-09-13 ID IDP20000782D patent/ID26158A/id unknown
- 2000-12-22 US US09/742,019 patent/US6707805B2/en not_active Expired - Lifetime
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2001
- 2001-01-10 US US09/757,768 patent/US6985467B2/en not_active Expired - Lifetime
- 2001-01-18 US US09/765,016 patent/US6721301B2/en not_active Expired - Lifetime
- 2001-01-18 US US09/765,048 patent/US6456608B1/en not_active Expired - Lifetime
- 2001-01-18 US US09/765,001 patent/US6983009B2/en not_active Expired - Fee Related
- 2001-04-12 US US09/833,285 patent/US6873645B2/en not_active Expired - Fee Related
- 2001-04-24 US US09/840,769 patent/US6633600B2/en not_active Expired - Lifetime
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2002
- 2002-02-08 US US10/071,899 patent/US6744809B2/en not_active Expired - Lifetime
- 2002-02-27 US US10/084,007 patent/US7502406B2/en not_active Expired - Fee Related
- 2002-02-27 US US10/083,846 patent/US6674788B2/en not_active Expired - Lifetime
- 2002-02-27 US US10/083,791 patent/US6674791B2/en not_active Expired - Lifetime
- 2002-03-28 HK HK02102405.3A patent/HK1041376B/zh not_active IP Right Cessation
- 2002-03-28 HK HK02102404.4A patent/HK1041375B/zh not_active IP Right Cessation
- 2002-09-24 HK HK02106960.1A patent/HK1045771B/zh not_active IP Right Cessation
- 2002-09-24 HK HK02106958.5A patent/HK1045614B/zh not_active IP Right Cessation
- 2002-09-24 HK HK11107181.1A patent/HK1149652A1/xx not_active IP Right Cessation
- 2002-09-24 HK HK02106959.4A patent/HK1045770B/zh not_active IP Right Cessation
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2003
- 2003-01-17 JP JP2003010382A patent/JP3706108B2/ja not_active Expired - Lifetime
- 2003-01-17 JP JP2003010332A patent/JP3707735B2/ja not_active Expired - Lifetime
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- 2003-01-17 JP JP2003010344A patent/JP3704521B2/ja not_active Expired - Lifetime
- 2003-01-22 JP JP2003014009A patent/JP3640952B2/ja not_active Expired - Lifetime
- 2003-01-22 JP JP2003013627A patent/JP3837116B2/ja not_active Expired - Lifetime
- 2003-01-22 JP JP2003014033A patent/JP2003249875A/ja not_active Abandoned
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- 2003-01-22 JP JP2003013805A patent/JP4511796B2/ja not_active Expired - Lifetime
- 2003-03-01 HK HK03101544.6A patent/HK1049414B/zh not_active IP Right Cessation
- 2003-10-08 US US10/680,943 patent/US7756190B2/en not_active Expired - Fee Related
- 2003-10-15 JP JP2003355227A patent/JP2004104820A/ja not_active Abandoned
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2004
- 2004-02-26 US US10/788,209 patent/US7593453B2/en not_active Expired - Fee Related
- 2004-05-03 NO NO20041820A patent/NO319231B1/no not_active IP Right Cessation
- 2004-07-01 FI FI20040917A patent/FI118315B/fi not_active IP Right Cessation
- 2004-07-02 FI FI20040925A patent/FI20040925A/fi not_active Application Discontinuation
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2005
- 2005-04-29 NO NO20052097A patent/NO20052097L/no not_active Application Discontinuation
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- 2005-07-11 US US11/178,809 patent/US20050243897A1/en not_active Abandoned
- 2005-07-25 JP JP2005213936A patent/JP2006005957A/ja active Pending
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2006
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2007
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- 2007-08-09 JP JP2007208558A patent/JP2008005529A/ja active Pending
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2008
- 2008-01-02 FI FI20080001A patent/FI124430B/fi not_active IP Right Cessation
- 2008-04-17 FI FI20080292A patent/FI122550B/fi not_active IP Right Cessation
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- 2008-12-22 US US12/340,939 patent/US9564963B2/en not_active Expired - Lifetime
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2009
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- 2009-09-11 US US12/557,787 patent/US20100002752A1/en not_active Abandoned
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2010
- 2010-02-05 FI FI20105117A patent/FI122549B/fi not_active IP Right Cessation
- 2010-07-08 US US12/832,778 patent/US20100272155A1/en not_active Abandoned
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2011
- 2011-01-07 JP JP2011002332A patent/JP5751471B2/ja not_active Expired - Lifetime
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- 2011-04-18 JP JP2011092003A patent/JP5438062B2/ja not_active Expired - Lifetime
- 2011-04-18 US US13/088,958 patent/US20110194571A1/en not_active Abandoned
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- 2011-06-09 JP JP2011129285A patent/JP5438069B2/ja not_active Expired - Lifetime
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2012
- 2012-01-25 FI FI20125077A patent/FI124382B/fi not_active IP Right Cessation
- 2012-01-26 FI FI20125079A patent/FI124383B/fi not_active IP Right Cessation
- 2012-01-30 JP JP2012016930A patent/JP5276187B2/ja not_active Expired - Lifetime
- 2012-11-29 JP JP2012261149A patent/JP5887623B2/ja not_active Expired - Lifetime
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2013
- 2013-02-14 JP JP2013026772A patent/JP5529988B2/ja not_active Expired - Lifetime
- 2013-10-16 JP JP2013215653A patent/JP5876456B2/ja not_active Expired - Lifetime
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2014
- 2014-01-29 JP JP2014014597A patent/JP5801428B2/ja not_active Expired - Lifetime
- 2014-05-27 US US14/287,618 patent/US20140348135A1/en not_active Abandoned
- 2014-06-03 FI FI20145507A patent/FI125331B/fi not_active IP Right Cessation
- 2014-06-03 FI FI20145509A patent/FI125334B/fi not_active IP Right Cessation
- 2014-06-13 FI FI20145563A patent/FI125333B/fi not_active IP Right Cessation
- 2014-10-08 JP JP2014207169A patent/JP5837667B2/ja not_active Expired - Lifetime
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2015
- 2015-09-10 JP JP2015178606A patent/JP2016026443A/ja active Pending
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