CA2642017C - Cell search method, forward link frame transmission method, apparatus using the same and forward link frame structure - Google Patents
Cell search method, forward link frame transmission method, apparatus using the same and forward link frame structure Download PDFInfo
- Publication number
- CA2642017C CA2642017C CA2642017A CA2642017A CA2642017C CA 2642017 C CA2642017 C CA 2642017C CA 2642017 A CA2642017 A CA 2642017A CA 2642017 A CA2642017 A CA 2642017A CA 2642017 C CA2642017 C CA 2642017C
- Authority
- CA
- Canada
- Prior art keywords
- cell
- synchronization channel
- symbols
- secondary synchronization
- frame
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
-
- 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
- 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]
- H04J11/0093—Neighbour cell search
-
- 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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
- H04L27/26132—Structure of the reference signals using repetition
-
- 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
-
- 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
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
-
- 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
- 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
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- 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 signalling, i.e. of overhead other than pilot signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20060069800 | 2006-07-25 | ||
| KR10-2006-0069800 | 2006-07-25 | ||
| KR10-2007-0006230 | 2007-01-19 | ||
| KR20070006230 | 2007-01-19 | ||
| KR1020070074705A KR100881169B1 (ko) | 2006-07-25 | 2007-07-25 | 순방향 링크 프레임 생성 방법 및 장치, 그리고 셀 탐색 방법 및 장치 |
| PCT/KR2007/003573 WO2008013404A1 (en) | 2006-07-25 | 2007-07-25 | Cell search method, forward link frame transmission method, apparatus using the same and forward link frame structure |
| KR10-2007-0074705 | 2007-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2642017A1 CA2642017A1 (en) | 2008-01-31 |
| CA2642017C true CA2642017C (en) | 2012-09-18 |
Family
ID=39222440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2642017A Active CA2642017C (en) | 2006-07-25 | 2007-07-25 | Cell search method, forward link frame transmission method, apparatus using the same and forward link frame structure |
Country Status (8)
| Country | Link |
|---|---|
| US (9) | US7969964B2 (https=) |
| EP (5) | EP2044720B1 (https=) |
| JP (1) | JP5156745B2 (https=) |
| KR (1) | KR100881169B1 (https=) |
| CN (1) | CN101405986B (https=) |
| BR (1) | BRPI0708790B1 (https=) |
| CA (1) | CA2642017C (https=) |
| WO (1) | WO2008013404A1 (https=) |
Families Citing this family (96)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8100824B2 (en) | 2003-05-23 | 2012-01-24 | Intuitive Surgical Operations, Inc. | Tool with articulation lock |
| KR100821275B1 (ko) * | 2006-01-04 | 2008-04-11 | 한국전자통신연구원 | 하향링크 신호를 생성하는 방법, 그리고 셀 탐색을수행하는 방법 |
| KR100881169B1 (ko) * | 2006-07-25 | 2009-02-02 | 한국전자통신연구원 | 순방향 링크 프레임 생성 방법 및 장치, 그리고 셀 탐색 방법 및 장치 |
| JP4786503B2 (ja) * | 2006-11-01 | 2011-10-05 | 株式会社エヌ・ティ・ティ・ドコモ | セルサーチ方法、移動局及び基地局 |
| US7889801B2 (en) * | 2007-02-14 | 2011-02-15 | Telefonaktiebolaget L M Ericsson (Publ) | Multi transmit antenna synchronization channel transmission cell ID detection |
| US7920598B2 (en) * | 2007-05-25 | 2011-04-05 | Qualcomm Incorporated | Scrambling methods for synchronization channels |
| JP4465370B2 (ja) * | 2007-06-19 | 2010-05-19 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局装置、送信方法、及び無線通信システム |
| KR100921769B1 (ko) | 2007-07-12 | 2009-10-15 | 한국전자통신연구원 | 하향링크 프레임 생성 방법 및 셀 탐색 방법 |
| KR20090009693A (ko) | 2007-07-20 | 2009-01-23 | 한국전자통신연구원 | 하향링크 프레임 생성 방법 및 셀 탐색 방법 |
| KR101150272B1 (ko) * | 2007-08-15 | 2012-06-12 | 가부시키가이샤 엔티티 도코모 | 이동통신시스템 및 이동국 |
| US9467958B2 (en) | 2007-08-23 | 2016-10-11 | Qualcomm Incorporated | Method and apparatus for mitigating temporary loss of synchronization in a wireless communication system |
| US9119132B2 (en) * | 2007-10-10 | 2015-08-25 | Qualcomm Incorporated | Efficient system identification schemes for communication systems |
| US8897393B1 (en) | 2007-10-16 | 2014-11-25 | Marvell International Ltd. | Protected codebook selection at receiver for transmit beamforming |
| US8542725B1 (en) | 2007-11-14 | 2013-09-24 | Marvell International Ltd. | Decision feedback equalization for signals having unequally distributed patterns |
| WO2009114478A1 (en) * | 2008-03-10 | 2009-09-17 | Wi-Lan Inc. | Efficient and consistent wireless downlink channel configuration |
| US8565325B1 (en) | 2008-03-18 | 2013-10-22 | Marvell International Ltd. | Wireless device communication in the 60GHz band |
| KR101173664B1 (ko) * | 2008-05-02 | 2012-08-13 | 한국전자통신연구원 | 동기 채널 송수신 방법 및 장치 |
| US8761261B1 (en) | 2008-07-29 | 2014-06-24 | Marvell International Ltd. | Encoding using motion vectors |
| US8498342B1 (en) | 2008-07-29 | 2013-07-30 | Marvell International Ltd. | Deblocking filtering |
| US8223891B2 (en) * | 2008-08-01 | 2012-07-17 | Broadcom Corporation | Method and system for a reference symbol (RS) frequency control loop for TCXO synchronization and tracking |
| JP5048613B2 (ja) * | 2008-08-11 | 2012-10-17 | 株式会社エヌ・ティ・ティ・ドコモ | ユーザ装置及びセルサーチ方法 |
| JP2010045545A (ja) * | 2008-08-11 | 2010-02-25 | Ntt Docomo Inc | ユーザ装置及びセルサーチ方法 |
| JP5004899B2 (ja) * | 2008-08-11 | 2012-08-22 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信方法、交換局及び移動局 |
| US20100042866A1 (en) * | 2008-08-15 | 2010-02-18 | Mediatek Inc. | Method and Apparatus for Adjusting a System Timer of a Mobile Station |
| US8345533B1 (en) | 2008-08-18 | 2013-01-01 | Marvell International Ltd. | Frame synchronization techniques |
| US8170592B2 (en) * | 2008-09-12 | 2012-05-01 | Broadcom Corporation | Method and system for frame timing acquisition in evolved universal terrestrial radio access (EUTRA) |
| US8681893B1 (en) | 2008-10-08 | 2014-03-25 | Marvell International Ltd. | Generating pulses using a look-up table |
| US8625572B2 (en) | 2008-12-19 | 2014-01-07 | Nokia Corporation | Synchronization indication in networks |
| KR101321311B1 (ko) | 2008-12-26 | 2013-10-28 | 샤프 가부시키가이샤 | 기지국 장치, 이동국 장치, 통신 시스템 및 통신 방법 |
| US20100177726A1 (en) * | 2009-01-12 | 2010-07-15 | Kim Olszewski | Method and system for synchronization and cell identification within communication systems |
| US9374131B2 (en) * | 2009-01-28 | 2016-06-21 | Qualcomm Incorporated | Frequency hopping in a wireless communication network |
| KR101533091B1 (ko) * | 2009-02-06 | 2015-07-10 | 삼성전자주식회사 | 광대역 무선접속 통신시스템에서 레인징을 위한 방법 및 장치 |
| US8730938B2 (en) * | 2009-04-08 | 2014-05-20 | Qualcomm Incorporated | Minimizing the impact of self synchronization on wireless communication devices |
| KR101687589B1 (ko) * | 2009-04-24 | 2016-12-20 | 한국전자통신연구원 | 셀룰라 무선 통신 시스템에서의 협력 통신 방법 및 이를 수행하는 단말기 |
| US8520771B1 (en) | 2009-04-29 | 2013-08-27 | Marvell International Ltd. | WCDMA modulation |
| US20130259013A1 (en) * | 2009-06-10 | 2013-10-03 | Qualcomm Incorporated | Method and apparatus for processing primary and secondary synchronization signals for wireless communication |
| JP5229127B2 (ja) * | 2009-06-18 | 2013-07-03 | 富士通株式会社 | 基地局および移動局 |
| CN101938813B (zh) * | 2009-06-30 | 2013-02-27 | 中兴通讯股份有限公司 | 联合辅同步信号检测与帧定时同步的方法 |
| US8681730B2 (en) * | 2009-07-09 | 2014-03-25 | Broadcom Corporation | Method and system for using sign based synchronization sequences in a correlation process to reduce correlation complexity in an OFDM system |
| US9144037B2 (en) * | 2009-08-11 | 2015-09-22 | Qualcomm Incorporated | Interference mitigation by puncturing transmission of interfering cells |
| KR101625523B1 (ko) * | 2009-08-14 | 2016-05-30 | 삼성전자주식회사 | 이동 통신 시스템에서 셀 검출 방법 및 그를 수행하는 장치 |
| CN102014462B (zh) * | 2009-11-10 | 2014-07-16 | 电信科学技术研究院 | 一种小区搜索方法及设备 |
| US8718154B2 (en) * | 2009-11-18 | 2014-05-06 | Qualcomm Incorporated | Monitoring and correcting timing errors in wireless communication |
| EP2391081B1 (en) * | 2010-05-25 | 2013-01-02 | Telefonaktiebolaget L M Ericsson (PUBL) | Technique for cell signature determination |
| US8817771B1 (en) * | 2010-07-16 | 2014-08-26 | Marvell International Ltd. | Method and apparatus for detecting a boundary of a data frame in a communication network |
| CN102378349B (zh) * | 2010-08-13 | 2014-09-03 | 联芯科技有限公司 | 基于gps信息实现小区同步的方法、装置及系统 |
| US8768359B2 (en) | 2010-08-20 | 2014-07-01 | Qualcomm Incorporated | Sample selection for secondary synchronization signal (SSS) detection |
| KR20120042138A (ko) * | 2010-10-22 | 2012-05-03 | 한국전자통신연구원 | 이동통신 시스템에서의 셀 탐색 방법 |
| TWI462499B (zh) * | 2010-12-31 | 2014-11-21 | 小區搜索方法及設備 | |
| US9319177B2 (en) | 2011-05-11 | 2016-04-19 | Intel Deutschland Gmbh | Radio communication devices and methods for controlling a radio communication device |
| US8611952B2 (en) | 2011-05-11 | 2013-12-17 | Intel Mobile Communications GmbH | Mobile communications radio receiver for multiple network operation |
| CN102306211A (zh) * | 2011-07-08 | 2012-01-04 | 南京航空航天大学 | 舰载机着舰引导半物理仿真系统 |
| US9591597B2 (en) | 2011-12-02 | 2017-03-07 | Lg Electronics Inc. | Method for indicating control channel in wireless access system, and base station and user equipment for the same |
| US8406789B1 (en) * | 2011-12-22 | 2013-03-26 | Anite Finland Oy | Apparatus and method for detecting co-channels signals |
| US8548086B2 (en) | 2012-02-06 | 2013-10-01 | Neocific, Inc. | Multiple receivers in an OFDM/OFDMA communication system |
| KR102065172B1 (ko) * | 2012-03-26 | 2020-01-13 | 한국전자통신연구원 | 분산 네트워크에서의 주파수 동기화 방법 |
| US9209959B2 (en) * | 2012-03-26 | 2015-12-08 | Electronics And Telecommunications Research Institute | Method of frequency synchronization in distributed network |
| US9510212B2 (en) | 2012-04-27 | 2016-11-29 | Qualcomm Incorporated | Signal designs for densely deployed network |
| US9526100B2 (en) | 2012-06-28 | 2016-12-20 | Lg Electronics Inc. | Method for more efficiently utilizing radio resources in a wireless communication system including a plurality of small cells |
| US9313700B2 (en) | 2013-03-15 | 2016-04-12 | Intel Deutschland Gmbh | Fast handover method for cross sector scenario in mobile communication systems |
| GB2512127A (en) * | 2013-03-21 | 2014-09-24 | Sony Corp | Communications device and method |
| WO2014165614A2 (en) * | 2013-04-03 | 2014-10-09 | Motorola Mobility Llc | Methods and devices for cell discovery |
| KR101882953B1 (ko) * | 2013-04-18 | 2018-07-27 | 한국전자통신연구원 | 무선 프레임 구성 방법 및 이를 이용하는 장치 |
| US9307481B2 (en) * | 2013-07-02 | 2016-04-05 | Apple Inc. | Selective system information reading |
| TWI507064B (zh) * | 2013-09-16 | 2015-11-01 | Univ Nat Central | 鄰近胞元搜尋方法 |
| WO2015114562A1 (en) * | 2014-01-30 | 2015-08-06 | Telefonaktiebolaget L M Ericsson (Publ) | Cell id expansion and hierarchical cell id structures |
| JP6865203B2 (ja) * | 2014-01-31 | 2021-04-28 | 株式会社Nttドコモ | ユーザ装置、基地局、無線通信システム、及び通信方法 |
| JP2015164281A (ja) | 2014-01-31 | 2015-09-10 | 株式会社Nttドコモ | ユーザ装置、基地局、及び通信方法 |
| US9584245B2 (en) | 2014-03-26 | 2017-02-28 | National Central University | Non-coherent neighbor cell searching method |
| GB2529249B (en) * | 2014-08-15 | 2017-09-27 | Cook Medical Technologies Llc | Endoluminal drug delivery device |
| CN107251445B (zh) * | 2015-03-04 | 2019-12-17 | 华为技术有限公司 | 基于跳频的传输装置、系统及方法 |
| CN106034345B (zh) | 2015-04-17 | 2021-02-09 | 索尼公司 | 终端侧、基站侧设备,终端设备,基站和无线通信方法 |
| KR102332471B1 (ko) | 2015-05-08 | 2021-11-30 | 삼성전자주식회사 | 동기 신호 검출을 위한 장치 및 방법 |
| US10757637B2 (en) * | 2015-09-01 | 2020-08-25 | Ntt Docomo, Inc. | User terminal, radio base station, and radio communication method |
| CN108141327B (zh) | 2015-09-24 | 2020-11-06 | 华为技术有限公司 | 无线通信系统中的方法和设备 |
| US10256955B2 (en) * | 2015-09-29 | 2019-04-09 | Qualcomm Incorporated | Synchronization signals for narrowband operation |
| US20170332335A1 (en) * | 2016-05-13 | 2017-11-16 | Huawei Technologies Co., Ltd. | System and method of configurable sequence usage for transmission reception points |
| US10498437B2 (en) | 2016-06-01 | 2019-12-03 | Qualcomm Incorporated | Conveying hypotheses through resource selection of synchronization and broadcast channels |
| US10615897B2 (en) | 2016-06-01 | 2020-04-07 | Qualcomm Incorporated | Time division multiplexing of synchronization channels |
| US11563505B2 (en) | 2016-06-01 | 2023-01-24 | Qualcomm Incorporated | Time division multiplexing of synchronization channels |
| US11218236B2 (en) | 2016-06-01 | 2022-01-04 | Qualcomm Incorporated | Time division multiplexing of synchronization channels |
| US10887035B2 (en) | 2016-06-01 | 2021-01-05 | Qualcomm Incorporated | Time division multiplexing of synchronization channels |
| US10715372B2 (en) * | 2016-06-07 | 2020-07-14 | Lg Electronics Inc. | Method for obtaining information about cyclic prefix in wireless communication system and device for same |
| CA3038477A1 (en) * | 2016-09-29 | 2018-04-05 | Sharp Kabushiki Kaisha | Terminal apparatus, base station apparatus, communication method, and integrated circuit |
| KR101994424B1 (ko) | 2016-09-30 | 2019-06-28 | 엘지전자 주식회사 | 무선 통신 시스템에서 동기 신호를 송수신하는 방법 및 이를 위한 장치 |
| US10616847B2 (en) | 2016-12-22 | 2020-04-07 | Qualcomm Incorporated | Techniques and apparatuses for multiple transmission of synchronization signal blocks in new radio |
| CN108632002B (zh) * | 2017-03-24 | 2021-06-01 | 华为技术有限公司 | 一种无线通信中的信号发送方法、接收方法、装置和系统 |
| EP3603276B1 (en) | 2017-04-13 | 2022-05-04 | Huawei Technologies Co., Ltd. | Methods and apparatus for determining network identifier for use by user equipment |
| US10666485B2 (en) | 2017-05-03 | 2020-05-26 | Apple Inc. | Synchronization signal block index signaling |
| CN108781390B (zh) * | 2017-07-24 | 2021-08-31 | 北京小米移动软件有限公司 | 同步块接收方法及装置、系统信息传输方法及装置 |
| CN111147213B (zh) * | 2018-11-02 | 2022-04-08 | 大唐移动通信设备有限公司 | 一种信号的发送方法及终端 |
| KR102799337B1 (ko) * | 2019-01-24 | 2025-04-23 | 삼성전자주식회사 | 동기신호 검출기를 포함하는 무선 통신 장치 및 이의 셀 탐색 방법 |
| WO2021025949A1 (en) | 2019-08-05 | 2021-02-11 | Shure Acquisition Holdings, Inc. | Transmit antenna diversity wireless audio system |
| US11368236B2 (en) * | 2019-09-06 | 2022-06-21 | Cisco Technology, Inc. | Detection and decoding of wireless synchronization signals |
| CN111107033B (zh) * | 2019-12-20 | 2022-04-01 | 重庆邮电大学 | 一种5g系统下行帧定时同步方法 |
| US12089067B2 (en) * | 2022-10-06 | 2024-09-10 | T-Mobile Innovations Llc | PDCCH link control based on timing advance and user service beam mode in massive MIMO systems |
Family Cites Families (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5930366A (en) * | 1997-08-29 | 1999-07-27 | Telefonaktiebolaget L M Ericsson | Synchronization to a base station and code acquisition within a spread spectrum communication system |
| US6665277B1 (en) * | 1998-10-16 | 2003-12-16 | Texas Instruments Incorporated | Comma free codes for fast cell search using tertiary synchronization channel |
| US6480558B1 (en) * | 1999-03-17 | 2002-11-12 | Ericsson Inc. | Synchronization and cell search methods and apparatus for wireless communications |
| KR100290678B1 (ko) * | 1999-04-24 | 2001-05-15 | 윤종용 | 씨디엠에이 이동통신시스템의 셀탐색 장치 및 방법 |
| KR100421142B1 (ko) * | 1999-04-28 | 2004-03-04 | 삼성전자주식회사 | 이동통신시스템의 셀탐색 장치 및 방법 |
| FI111438B (fi) * | 1999-07-09 | 2003-07-15 | Nokia Corp | Symbolijonon lähetysmenetelmä |
| EP1154662B1 (en) * | 2000-05-10 | 2004-03-03 | Mitsubishi Electric Information Technology Centre Europe B.V. | Method for allocating secondary synchronisation codes to a base station of a mobile telecommunication system |
| AU2001279160A1 (en) * | 2000-08-04 | 2002-02-18 | Interdigital Technology Corporation | Periodic cell search |
| JP2002118496A (ja) * | 2000-10-06 | 2002-04-19 | Hitachi Kokusai Electric Inc | セルサーチ判定回路 |
| US6894995B2 (en) * | 2001-06-22 | 2005-05-17 | Interdigital Technology Corporation | Apparatus and method for performing initial cell search in wireless communication systems |
| US7548506B2 (en) | 2001-10-17 | 2009-06-16 | Nortel Networks Limited | System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design |
| US7110782B2 (en) * | 2001-10-30 | 2006-09-19 | Texas Instruments Incorporated | Cell search synchronization |
| US6847630B2 (en) * | 2001-11-09 | 2005-01-25 | Qualcomm, Incorporated | Communications in an asynchronous cellular wireless network |
| CN100512066C (zh) * | 2001-11-29 | 2009-07-08 | 美商内数位科技公司 | 于小区搜寻中使用主要及次要同步码的系统及方法 |
| JP3694479B2 (ja) * | 2001-12-07 | 2005-09-14 | 松下電器産業株式会社 | マルチキャリア送受信装置、マルチキャリア無線通信方法、およびマルチキャリア無線通信用プログラム |
| CA2471991A1 (en) * | 2002-01-21 | 2003-07-31 | Siemens Mobile Communications S.P.A. | Method and mobile station to perform the initial cell search in time slotted systems |
| KR100479864B1 (ko) * | 2002-11-26 | 2005-03-31 | 학교법인 중앙대학교 | 이동 통신 시스템에서의 하향링크 신호의 구성 방법과동기화 방법 및 그 장치 그리고 이를 이용한 셀 탐색 방법 |
| US7738437B2 (en) * | 2003-01-21 | 2010-06-15 | Nortel Networks Limited | Physical layer structures and initial access schemes in an unsynchronized communication network |
| EP1780920B8 (en) * | 2003-02-05 | 2017-08-16 | Intel Corporation | Initial cell search in wireless communication systems |
| CN1540896B (zh) * | 2003-04-24 | 2010-04-07 | 上海明波通信技术有限公司 | 小区搜索方法以及实现装置 |
| US7272376B1 (en) * | 2003-05-13 | 2007-09-18 | National Semiconductor Corporation | Look-up table implementation of WCDMA frame synchronization and cell group ID detection |
| KR100584337B1 (ko) * | 2003-09-16 | 2006-05-26 | 삼성전자주식회사 | 이동통신 시스템에서 셀 탐색 및 다중경로 탐색 장치 및방법 |
| EP1727293B1 (en) * | 2004-03-16 | 2011-07-06 | NEC Corporation | Cell search method for radio communication system |
| KR100663489B1 (ko) * | 2004-04-16 | 2007-01-02 | 삼성전자주식회사 | 직교 분할 다중 접속 시스템에서 셀 검출 방법 및 장치 |
| WO2006023536A2 (en) | 2004-08-16 | 2006-03-02 | Zte San Diego, Inc. | Fast cell search and accurate sznchronization in wireless communications |
| KR100620455B1 (ko) * | 2004-12-11 | 2006-09-06 | 한국전자통신연구원 | 직교주파수 분할 다중화 방식 시스템의 셀 탐색 장치 및 그방법 |
| JP4463780B2 (ja) | 2005-06-14 | 2010-05-19 | 株式会社エヌ・ティ・ティ・ドコモ | 送信装置および送信方法 |
| US8134996B2 (en) * | 2005-07-21 | 2012-03-13 | Texas Instruments Incorporated | Downlink synchronization for a cellular OFDM communication system |
| US7965759B2 (en) * | 2005-10-28 | 2011-06-21 | Qualcomm Incorporated | Synchronization codes for wireless communication |
| KR100827064B1 (ko) * | 2006-01-18 | 2008-05-02 | 삼성전자주식회사 | Ofdm 기반 셀룰러 무선통신시스템의 동기 신호 송신 방법 및 장치 |
| US7911935B2 (en) * | 2006-02-08 | 2011-03-22 | Motorola Mobility, Inc. | Method and apparatus for interleaving sequence elements of an OFDMA synchronization channel |
| US7983143B2 (en) * | 2006-02-08 | 2011-07-19 | Motorola Mobility, Inc. | Method and apparatus for initial acquisition and cell search for an OFDMA system |
| US7706249B2 (en) * | 2006-02-08 | 2010-04-27 | Motorola, Inc. | Method and apparatus for a synchronization channel in an OFDMA system |
| US9313064B2 (en) | 2006-04-18 | 2016-04-12 | Interdigital Technology Corporation | Method and apparatus for synchronization in an OFDMA evolved UTRA wireless communication system |
| US8031745B2 (en) * | 2006-04-20 | 2011-10-04 | Texas Instruments Incorporated | Downlink synchronization channel and methods for cellular systems |
| KR100881169B1 (ko) * | 2006-07-25 | 2009-02-02 | 한국전자통신연구원 | 순방향 링크 프레임 생성 방법 및 장치, 그리고 셀 탐색 방법 및 장치 |
| US8228887B2 (en) * | 2006-09-29 | 2012-07-24 | Apple Inc. | Cell identifier encoding and decoding methods and apparatus |
| EP2114856A1 (en) | 2007-02-06 | 2009-11-11 | Cipla Limited | Process for the preparation of ethyl-n-(2, 3-dichloro-6-nitrobenzyl) glycine hydrochloride |
| US7965689B2 (en) * | 2007-05-14 | 2011-06-21 | Motorola Mobility, Inc. | Reference sequence construction for fast cell search |
| US8054823B2 (en) * | 2007-06-18 | 2011-11-08 | Texas Instruments Incorporated | Mapping schemes for secondary synchronization signal scrambling |
| KR100938756B1 (ko) * | 2007-07-06 | 2010-01-26 | 엘지전자 주식회사 | 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법 |
| US8385256B2 (en) * | 2007-12-19 | 2013-02-26 | Sasken Communication Technologies Ltd | Method and system for efficient synchronization in a wireless communication system |
| WO2011151914A1 (ja) * | 2010-06-03 | 2011-12-08 | 富士通株式会社 | 同期確立方法、受信装置及び送信装置 |
-
2007
- 2007-07-25 KR KR1020070074705A patent/KR100881169B1/ko active Active
- 2007-07-25 EP EP07793239.0A patent/EP2044720B1/en active Active
- 2007-07-25 JP JP2009521698A patent/JP5156745B2/ja active Active
- 2007-07-25 US US12/162,237 patent/US7969964B2/en active Active
- 2007-07-25 WO PCT/KR2007/003573 patent/WO2008013404A1/en not_active Ceased
- 2007-07-25 EP EP10168211.0A patent/EP2257013B1/en active Active
- 2007-07-25 CN CN2007800099710A patent/CN101405986B/zh active Active
- 2007-07-25 EP EP13159486.3A patent/EP2605443B1/en active Active
- 2007-07-25 BR BRPI0708790-0 patent/BRPI0708790B1/pt active IP Right Grant
- 2007-07-25 EP EP13159478.0A patent/EP2611059B1/en active Active
- 2007-07-25 EP EP18173796.6A patent/EP3422627A3/en active Pending
- 2007-07-25 CA CA2642017A patent/CA2642017C/en active Active
-
2011
- 2011-02-28 US US13/036,787 patent/US8311031B2/en active Active
-
2012
- 2012-09-14 US US13/617,679 patent/US8406218B2/en active Active
-
2013
- 2013-02-23 US US13/775,158 patent/US9113380B2/en active Active
-
2015
- 2015-07-07 US US14/792,822 patent/US9496976B2/en active Active
-
2016
- 2016-10-06 US US15/286,600 patent/US10080204B2/en active Active
-
2018
- 2018-08-28 US US16/114,224 patent/US11363547B2/en active Active
-
2022
- 2022-04-13 US US17/719,398 patent/US12284620B2/en active Active
-
2025
- 2025-01-15 US US19/021,188 patent/US20250159620A1/en active Pending
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US12284620B2 (en) | Cell search method, forward link frame transmission method, apparatus using the same and forward link frame structure | |
| KR101330795B1 (ko) | Ofdm 셀룰라 시스템에서의 셀 탐색 방법, 이를 위한프레임 송신 방법 및 순방향 링크 프레임 구조 | |
| RU2462818C1 (ru) | Способ передачи пилот-сигнала, базовая станция, мобильная станция и система сотовой связи, в которой применен этот способ | |
| US20090196279A1 (en) | Tdm based cell search method for ofdm system | |
| KR20070050338A (ko) | Ofdm 셀룰러 시스템에서의 셀 탐색 방법, 순방향 링크프레임 전송 방법 및 이를 이용하는 장치 및 순방향 링크프레임 구조 | |
| KR100779092B1 (ko) | Ofdm 셀룰러 시스템에서의 셀 탐색 방법, 순방향 링크프레임 전송 방법 및 이를 이용하는 장치 및 순방향 링크프레임 구조 | |
| WO2007114638A2 (en) | Tdm based cell search method in ofdm cellular system, frame transmission method thereof and system thereof | |
| KR20080035992A (ko) | Ofdm 셀 탐색 및 bch 복조 방법 | |
| EP1946461A1 (en) | Cell search method, forward link frame transmission method, apparatus using the same and forward link frame structure | |
| KR20080010254A (ko) | Ofdm 셀룰라 시스템에서의 셀 탐색 방법, 이를 위한프레임 송신 방법 및 순방향 링크 프레임 구조 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MPN | Maintenance fee for patent paid |
Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 18TH ANNIV.) - STANDARD Year of fee payment: 18 |
|
| U00 | Fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED Effective date: 20250623 |
|
| U11 | Full renewal or maintenance fee paid |
Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL Effective date: 20250623 |