UA94775C2 - Спосіб і пристрій для пошуку стільника в ортогональній системі безпровідного зв'язку - Google Patents
Спосіб і пристрій для пошуку стільника в ортогональній системі безпровідного зв'язкуInfo
- Publication number
- UA94775C2 UA94775C2 UAA200905332A UAA200905332A UA94775C2 UA 94775 C2 UA94775 C2 UA 94775C2 UA A200905332 A UAA200905332 A UA A200905332A UA A200905332 A UAA200905332 A UA A200905332A UA 94775 C2 UA94775 C2 UA 94775C2
- Authority
- UA
- Ukraine
- Prior art keywords
- reference signals
- cells
- wireless communication
- communication system
- cell search
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/0063—Interference mitigation or co-ordination of multipath interference, e.g. Rake receivers
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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
- H04B1/7083—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
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- 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
- 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
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- 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
- H04L5/0037—Inter-user or inter-terminal allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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)
- Transceivers (AREA)
- Small-Scale Networks (AREA)
Abstract
Описані системи і методології, які забезпечують методики для ефективного пошуку стільника в системі безпровідного зв'язку. У одному аспекті схема багаторазового використання частоти може бути згенерована за допомогою застосування частотних зсувів до опорних сигналів, що передаються від стільників, які забезпечують зону покриття для вузла В на основі ID стільників або ID груп стільників для стільників. Потім, частотні зсуви, застосовувані до опорних сигналів, можуть бути використані як основа для мультиплексування опорних сигналів з різних стільників з використанням мультиплексування з частотним розділенням (FDM) або з використанням комбінації FDM з іншими методиками мультиплексування. Для поліпшення процесу виявлення можуть бути додатково виконані інше регулювання опорних сигналів, що передаються від відповідних стільників, такі як регулювання потужності передачі.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86396506P | 2006-11-01 | 2006-11-01 | |
PCT/US2007/083265 WO2008057898A2 (en) | 2006-11-01 | 2007-10-31 | Method and apparatus for cell search in an orthogonal wireless communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
UA94775C2 true UA94775C2 (uk) | 2011-06-10 |
Family
ID=39277114
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA200905385A UA96462C2 (uk) | 2006-11-01 | 2007-10-31 | Способи та пристрої для пошуку стільників в ортогональній системі безпровідного зв'язку |
UAA200905332A UA94775C2 (uk) | 2006-11-01 | 2007-10-31 | Спосіб і пристрій для пошуку стільника в ортогональній системі безпровідного зв'язку |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA200905385A UA96462C2 (uk) | 2006-11-01 | 2007-10-31 | Способи та пристрої для пошуку стільників в ортогональній системі безпровідного зв'язку |
Country Status (24)
Country | Link |
---|---|
US (4) | US8848599B2 (uk) |
EP (2) | EP2095524B1 (uk) |
JP (4) | JP2010508788A (uk) |
KR (2) | KR101095716B1 (uk) |
CN (3) | CN101578771A (uk) |
AU (2) | AU2007317485B2 (uk) |
BR (2) | BRPI0717887B1 (uk) |
CA (2) | CA2667023C (uk) |
DK (2) | DK2127115T3 (uk) |
ES (2) | ES2758484T3 (uk) |
HK (1) | HK1134596A1 (uk) |
HU (2) | HUE042773T2 (uk) |
IL (2) | IL198094A (uk) |
MX (2) | MX2009004495A (uk) |
MY (2) | MY154923A (uk) |
NO (2) | NO343410B1 (uk) |
PL (2) | PL2095524T3 (uk) |
PT (2) | PT2095524T (uk) |
RU (3) | RU2419203C2 (uk) |
SI (2) | SI2095524T1 (uk) |
TR (1) | TR201820108T4 (uk) |
TW (2) | TWI362204B (uk) |
UA (2) | UA96462C2 (uk) |
WO (2) | WO2008057899A2 (uk) |
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