MX2009006847A - Metodo para ajustar cambio ciclico considerando desviacion de frecuencia. - Google Patents

Metodo para ajustar cambio ciclico considerando desviacion de frecuencia.

Info

Publication number
MX2009006847A
MX2009006847A MX2009006847A MX2009006847A MX2009006847A MX 2009006847 A MX2009006847 A MX 2009006847A MX 2009006847 A MX2009006847 A MX 2009006847A MX 2009006847 A MX2009006847 A MX 2009006847A MX 2009006847 A MX2009006847 A MX 2009006847A
Authority
MX
Mexico
Prior art keywords
sequence
frequency offset
cyclic shift
reception
channel response
Prior art date
Application number
MX2009006847A
Other languages
English (en)
Inventor
Seung Hee Han
Min Seok Noh
Hyun Woo Lee
Dong Cheol Kim
Dragan Vujcic
Yeong Hyeon Kwon
Jin Sam Kwak
Original Assignee
Lg Electronics 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
Priority claimed from KR1020070011772A external-priority patent/KR101328939B1/ko
Priority claimed from KR1020070102563A external-priority patent/KR100932489B1/ko
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Priority claimed from PCT/KR2008/000044 external-priority patent/WO2008082262A2/en
Publication of MX2009006847A publication Critical patent/MX2009006847A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0055—ZCZ [zero correlation zone]
    • H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
    • H04J13/0062—Zadoff-Chu
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0074—Code shifting or hopping
    • 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
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H04J13/22—Allocation of codes with a zero correlation zone
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • 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
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

Se describe un método para establecer una secuencia de cambio cíclico para proveerse contra la desviación de frecuencia. El método calcula una distancia entre una posición de respuesta de canal de la secuencia y una posición de respuesta de canal a alias ocasionada por una desviación de frecuencia, calcula el número de cambios cíclicos por grupo de acuerdo con la distancia calculada y establece el cambio cíclico (CS) - intervalo de aplicación. Este método establece fácilmente un intervalo de cambio cíclico (CS) en una ubicación específica que tiene un traslapamiento considerando una respuesta de canal de una secuencia de recepción (Rx) y una ubicación de alias de esta secuencia de recepción (Rx), aunque una señal de recepción (Rx) se cambia por una dispersión del retardo de canal o un retardo de propagación con respecto a las categorías de un dominio que genera una secuencia, de manera que puede reducir en gran parte el número de los errores de detección y el régimen de alarma falsa. Y, si se asigna una secuencia del cambio cíclico (CS) a una celda que tiene una desviación de frecuencia de más de un nivel predeterminado, la presente invención puede reducir la influencia de una desviación de frecuencia en una celda de alta movilidad.
MX2009006847A 2007-01-05 2008-01-04 Metodo para ajustar cambio ciclico considerando desviacion de frecuencia. MX2009006847A (es)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US88375407P 2007-01-05 2007-01-05
US88439807P 2007-01-10 2007-01-10
KR1020070011772A KR101328939B1 (ko) 2007-01-05 2007-02-05 주파수 옵셋에 대비한 시퀀스 할당 방법 및 순환이동시퀀스 설정 방법
US91509607P 2007-04-30 2007-04-30
US94156207P 2007-06-01 2007-06-01
KR1020070102563A KR100932489B1 (ko) 2007-04-30 2007-10-11 주파수 옵셋에 대비한 순환이동 시퀀스 설정 방법
PCT/KR2008/000044 WO2008082262A2 (en) 2007-01-05 2008-01-04 Method for setting cyclic shift considering frequency offset

Publications (1)

Publication Number Publication Date
MX2009006847A true MX2009006847A (es) 2009-07-07

Family

ID=41050838

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009006847A MX2009006847A (es) 2007-01-05 2008-01-04 Metodo para ajustar cambio ciclico considerando desviacion de frecuencia.

Country Status (9)

Country Link
US (1) USRE47661E1 (es)
EP (4) EP3393098B9 (es)
JP (3) JP5180229B2 (es)
CN (3) CN102611533B (es)
ES (3) ES2385168T3 (es)
GB (1) GB2458415C (es)
HK (1) HK1115253A1 (es)
MX (1) MX2009006847A (es)
TW (3) TWI487332B (es)

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JP5613782B2 (ja) 2014-10-29
EP2456155B1 (en) 2018-06-06
JP2013070435A (ja) 2013-04-18
CN102611673A (zh) 2012-07-25
JP5180229B2 (ja) 2013-04-10
EP3767908A1 (en) 2021-01-20
ES2686302T3 (es) 2018-10-17
JP5613783B2 (ja) 2014-10-29
JP2010516076A (ja) 2010-05-13
CN101641925B (zh) 2013-08-21
EP3393098B9 (en) 2022-11-16
TW201519609A (zh) 2015-05-16
EP2456155A1 (en) 2012-05-23
TWI487332B (zh) 2015-06-01
CN102611673B (zh) 2015-01-21
TW200835245A (en) 2008-08-16
GB2458415A (en) 2009-09-23
GB2458415B (en) 2011-09-07
HK1115253A1 (en) 2008-11-21
CN102611533A (zh) 2012-07-25
USRE47661E1 (en) 2019-10-22
CN101641925A (zh) 2010-02-03
CN102611533B (zh) 2016-06-01
GB2458415C (en) 2014-07-30
EP3393098A1 (en) 2018-10-24
JP2013102497A (ja) 2013-05-23
ES2886178T3 (es) 2021-12-16
ES2385168T3 (es) 2012-07-19
EP4156618A1 (en) 2023-03-29
TWI581595B (zh) 2017-05-01
TWI580229B (zh) 2017-04-21
GB0912397D0 (en) 2009-08-26
TW201519608A (zh) 2015-05-16
EP3393098B1 (en) 2021-07-28

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