MX2009003597A - Transmisiones de sincronizacion en un sistema de comunicacion inalambrica. - Google Patents

Transmisiones de sincronizacion en un sistema de comunicacion inalambrica.

Info

Publication number
MX2009003597A
MX2009003597A MX2009003597A MX2009003597A MX2009003597A MX 2009003597 A MX2009003597 A MX 2009003597A MX 2009003597 A MX2009003597 A MX 2009003597A MX 2009003597 A MX2009003597 A MX 2009003597A MX 2009003597 A MX2009003597 A MX 2009003597A
Authority
MX
Mexico
Prior art keywords
sent
synchronization
transmissions
synchronization transmissions
information
Prior art date
Application number
MX2009003597A
Other languages
English (en)
Inventor
Durga Prasad Malladi
Byoung-Hoon Kim
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 MX2009003597A publication Critical patent/MX2009003597A/es

Links

Classifications

    • 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
    • H04B1/7083—Cell search, e.g. using a three-step approach
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0073—Acquisition of primary synchronisation channel, e.g. detection of cell-ID within cell-ID group
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0076—Acquisition of secondary synchronisation channel, e.g. detection of cell-ID group
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

Para soportar la búsqueda de célula, múltiples (por ejemplo, dos) transmisiones de sincronización son enviadas en un cuadro con separación no uniforme; la información es conducida a través de las distancias desiguales entre transmisiones de sincronización consecutivas; se pueden utilizar múltiples niveles de separación no uniforme para conducir diferentes tipos de información; en un diseño, las múltiples transmisiones de sincronización son enviadas en diferentes sub-cuadros de un cuadro, y cada transmisión de sincronización es enviada en uno de múltiples periodos de símbolo en un sub-cuadro respectivo; las transmisiones de sincronización pueden ser enviadas en sub-cuadros separados de manera no uniforme para comunicar el límite de cuadro; una transmisión de sincronización puede ser enviada en uno de múltiples periodos de símbolo posibles dependiendo de la información, por ejemplo, un grupo particular de ID de células que se esté conduciendo; las distancias entre transmisiones de sincronización también se pueden utilizar para conducir la longitud de prefijo cíclico; una transmisión de sincronización secundaria que lleva una ID de célula puede ser enviada en una compensación predeterminada desde una de las múltiples transmisiones de sincronización.
MX2009003597A 2006-10-03 2007-10-01 Transmisiones de sincronizacion en un sistema de comunicacion inalambrica. MX2009003597A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82805106P 2006-10-03 2006-10-03
PCT/US2007/080111 WO2008042865A2 (en) 2006-10-03 2007-10-01 Synchronization transmissions in a wireless communication system

Publications (1)

Publication Number Publication Date
MX2009003597A true MX2009003597A (es) 2009-05-12

Family

ID=39269146

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009003597A MX2009003597A (es) 2006-10-03 2007-10-01 Transmisiones de sincronizacion en un sistema de comunicacion inalambrica.

Country Status (17)

Country Link
US (1) US8509267B2 (es)
EP (2) EP2512085A1 (es)
JP (3) JP5074508B2 (es)
KR (3) KR101183387B1 (es)
CN (2) CN103560804B (es)
AU (1) AU2007303458B2 (es)
BR (1) BRPI0719823A2 (es)
CA (2) CA2769604C (es)
HK (1) HK1136104A1 (es)
IL (1) IL197481A (es)
MX (1) MX2009003597A (es)
MY (2) MY150892A (es)
NO (1) NO20091762L (es)
RU (2) RU2449471C2 (es)
TW (1) TWI380719B (es)
UA (1) UA94482C2 (es)
WO (1) WO2008042865A2 (es)

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Also Published As

Publication number Publication date
IL197481A0 (en) 2009-12-24
RU2449471C2 (ru) 2012-04-27
EP2122856B1 (en) 2014-06-18
HK1136104A1 (en) 2010-06-18
MY154208A (en) 2015-05-15
JP2010506502A (ja) 2010-02-25
EP2512085A1 (en) 2012-10-17
NO20091762L (no) 2009-05-04
JP2012199948A (ja) 2012-10-18
UA94482C2 (ru) 2011-05-10
WO2008042865A3 (en) 2008-09-04
CA2769604A1 (en) 2008-04-10
AU2007303458B2 (en) 2011-10-06
MY150892A (en) 2014-03-14
JP5074508B2 (ja) 2012-11-14
EP2122856A2 (en) 2009-11-25
KR20110029180A (ko) 2011-03-22
BRPI0719823A2 (pt) 2014-05-06
KR20090088361A (ko) 2009-08-19
RU2010134532A (ru) 2012-02-27
US8509267B2 (en) 2013-08-13
KR101259454B1 (ko) 2013-04-30
CN101523746A (zh) 2009-09-02
CA2663625A1 (en) 2008-04-10
AU2007303458A1 (en) 2008-04-10
KR20110135426A (ko) 2011-12-16
JP2013232940A (ja) 2013-11-14
JP5301710B2 (ja) 2013-09-25
US20110002430A1 (en) 2011-01-06
CA2769604C (en) 2013-10-29
CN103560804A (zh) 2014-02-05
CN101523746B (zh) 2013-09-25
WO2008042865A2 (en) 2008-04-10
RU2547094C2 (ru) 2015-04-10
RU2009116619A (ru) 2010-11-10
TWI380719B (en) 2012-12-21
TW200838335A (en) 2008-09-16
CN103560804B (zh) 2016-06-22
IL197481A (en) 2014-03-31
KR101183387B1 (ko) 2012-09-17

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