UA94482C2 - Передача синхронизации в системе беспроводной связи - Google Patents

Передача синхронизации в системе беспроводной связи

Info

Publication number
UA94482C2
UA94482C2 UAA200904258A UAA200904258A UA94482C2 UA 94482 C2 UA94482 C2 UA 94482C2 UA A200904258 A UAA200904258 A UA A200904258A UA A200904258 A UAA200904258 A UA A200904258A UA 94482 C2 UA94482 C2 UA 94482C2
Authority
UA
Ukraine
Prior art keywords
sent
synchronization
transmissions
information
synchronization transmissions
Prior art date
Application number
UAA200904258A
Other languages
English (en)
Ukrainian (uk)
Inventor
Біоунг-Хоон Кім
Дурга Прасад Малладі
Original Assignee
Квелкомм Інкорпорейтед
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 Квелкомм Інкорпорейтед filed Critical Квелкомм Інкорпорейтед
Publication of UA94482C2 publication Critical patent/UA94482C2/ru

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
    • H04L5/003—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
    • 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

Abstract

Для поддержания поиска сот, несколько (например, две) передачи синхронизации отправляются в кадре с неравномерным разнесением. Информация передается через неравные расстояния между последовательными передачами синхронизации. Несколько уровней неравномерного разнесения могут использоваться для того, чтобы передавать разные типы информации. В одной схеме несколько передач синхронизации отправляются в разных субкадрах кадра, и каждая передача синхронизации отправляется в одном из нескольких периодов символа в соответствующем субкадре. Передачи синхронизации могут быть отправлены в неравномерно разнесенных субкадрах, чтобы передать границу кадра. Одна передача синхронизации может быть отправлена в одном из нескольких возможных периодов символа в зависимости от информации, которая передается, например, конкретной группы идентификаторов сот. Расстояния между передачами синхронизации также могут использоваться для того, чтобы передавать длину циклического префикса. Передача дополнительной синхронизации, которая переносит идентификатор сот, может быть отправлена с предварительно определенным смещением от одной из нескольких передач синхронизации.
UAA200904258A 2006-10-03 2007-01-10 Передача синхронизации в системе беспроводной связи UA94482C2 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82805106P 2006-10-03 2006-10-03

Publications (1)

Publication Number Publication Date
UA94482C2 true UA94482C2 (ru) 2011-05-10

Family

ID=39269146

Family Applications (1)

Application Number Title Priority Date Filing Date
UAA200904258A UA94482C2 (ru) 2006-10-03 2007-01-10 Передача синхронизации в системе беспроводной связи

Country Status (17)

Country Link
US (1) US8509267B2 (ru)
EP (2) EP2512085A1 (ru)
JP (3) JP5074508B2 (ru)
KR (3) KR101183387B1 (ru)
CN (2) CN101523746B (ru)
AU (1) AU2007303458B2 (ru)
BR (1) BRPI0719823A2 (ru)
CA (2) CA2663625A1 (ru)
HK (1) HK1136104A1 (ru)
IL (1) IL197481A (ru)
MX (1) MX2009003597A (ru)
MY (2) MY150892A (ru)
NO (1) NO20091762L (ru)
RU (2) RU2449471C2 (ru)
TW (1) TWI380719B (ru)
UA (1) UA94482C2 (ru)
WO (1) WO2008042865A2 (ru)

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Also Published As

Publication number Publication date
MY150892A (en) 2014-03-14
JP2012199948A (ja) 2012-10-18
EP2122856B1 (en) 2014-06-18
KR101183387B1 (ko) 2012-09-17
CA2769604A1 (en) 2008-04-10
TWI380719B (en) 2012-12-21
MY154208A (en) 2015-05-15
IL197481A0 (en) 2009-12-24
JP2010506502A (ja) 2010-02-25
HK1136104A1 (en) 2010-06-18
CN103560804A (zh) 2014-02-05
AU2007303458B2 (en) 2011-10-06
KR20110135426A (ko) 2011-12-16
CA2769604C (en) 2013-10-29
US20110002430A1 (en) 2011-01-06
MX2009003597A (es) 2009-05-12
KR20110029180A (ko) 2011-03-22
US8509267B2 (en) 2013-08-13
KR101259454B1 (ko) 2013-04-30
CA2663625A1 (en) 2008-04-10
RU2010134532A (ru) 2012-02-27
CN101523746B (zh) 2013-09-25
EP2122856A2 (en) 2009-11-25
WO2008042865A3 (en) 2008-09-04
TW200838335A (en) 2008-09-16
NO20091762L (no) 2009-05-04
RU2009116619A (ru) 2010-11-10
RU2547094C2 (ru) 2015-04-10
JP5301710B2 (ja) 2013-09-25
KR20090088361A (ko) 2009-08-19
RU2449471C2 (ru) 2012-04-27
WO2008042865A2 (en) 2008-04-10
BRPI0719823A2 (pt) 2014-05-06
AU2007303458A1 (en) 2008-04-10
JP5074508B2 (ja) 2012-11-14
IL197481A (en) 2014-03-31
CN101523746A (zh) 2009-09-02
CN103560804B (zh) 2016-06-22
EP2512085A1 (en) 2012-10-17
JP2013232940A (ja) 2013-11-14

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