BR112017021144A2 - ?métodos para gerar e detectar um impulso de comutação de sincronização em um sistema de duplexagem por divisão no tempo, e, sistema para gerar sinais sincronizados? - Google Patents
?métodos para gerar e detectar um impulso de comutação de sincronização em um sistema de duplexagem por divisão no tempo, e, sistema para gerar sinais sincronizados?Info
- Publication number
- BR112017021144A2 BR112017021144A2 BR112017021144A BR112017021144A BR112017021144A2 BR 112017021144 A2 BR112017021144 A2 BR 112017021144A2 BR 112017021144 A BR112017021144 A BR 112017021144A BR 112017021144 A BR112017021144 A BR 112017021144A BR 112017021144 A2 BR112017021144 A2 BR 112017021144A2
- Authority
- BR
- Brazil
- Prior art keywords
- generating
- detecting
- input signal
- time division
- methods
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 230000001360 synchronised effect Effects 0.000 title 1
- 238000001514 detection method Methods 0.000 abstract 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
- H04W56/0095—Synchronisation arrangements determining timing error of reception due to propagation delay estimated based on signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
-
- 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
- H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
-
- 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
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
-
- 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
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
Abstract
um método para detectar um impulso de comutação de sincronização usando um detector de potência em um sistema de duplexagem por divisão no tempo (tdd) inclui receber um sinal de entrada, detectar um nível de potência associado ao sinal de entrada usando um medidor de potência digita, e determinar uma configuração associada ao sinal de entrada. o método também inclui determinar que uma largura de impulso associada ao sinal de entrada é maior que um limite, determinar um deslocamento associado com uma configuração de subquadro especial, e gerar um impulso de sincronismo estimado. o método inclui adicionalmente formar um impulso de sincronismo regenerado, de sincronismo estimado e o impulso de sincronismo regenerado, determinar que o erro é menos que um limite, e prover uma detecção de bloqueio.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562142689P | 2015-04-03 | 2015-04-03 | |
PCT/US2016/025900 WO2016161438A1 (en) | 2015-04-03 | 2016-04-04 | Method and system for link synchronization in an lte-tdd architecture |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112017021144A2 true BR112017021144A2 (pt) | 2018-07-03 |
Family
ID=57005414
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112017021144A BR112017021144A2 (pt) | 2015-04-03 | 2016-04-04 | ?métodos para gerar e detectar um impulso de comutação de sincronização em um sistema de duplexagem por divisão no tempo, e, sistema para gerar sinais sincronizados? |
Country Status (10)
Country | Link |
---|---|
US (4) | US9854553B2 (pt) |
EP (1) | EP3278122A4 (pt) |
JP (1) | JP6868567B2 (pt) |
KR (1) | KR20170134659A (pt) |
CN (1) | CN107850631B (pt) |
AU (1) | AU2016244115A1 (pt) |
BR (1) | BR112017021144A2 (pt) |
HK (1) | HK1247288A1 (pt) |
SG (1) | SG11201708119WA (pt) |
WO (1) | WO2016161438A1 (pt) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20170134659A (ko) | 2015-04-03 | 2017-12-06 | 달리 시스템즈 씨오. 엘티디. | Lte-tdd 아키텍처에서의 링크 동기화 방법 및 시스템 |
KR102606781B1 (ko) * | 2016-09-02 | 2023-11-27 | 삼성전자 주식회사 | 무선 통신 시스템에서 효율적인 데이터 송수신 방법 및 장치 |
US20180270773A1 (en) * | 2017-03-16 | 2018-09-20 | Electronics And Telecommunications Research Institute | Operation method of communication node in communication network |
JP7042557B2 (ja) * | 2017-04-24 | 2022-03-28 | 株式会社東芝 | 通信中継システム及び方法 |
CN107172638A (zh) * | 2017-05-31 | 2017-09-15 | 福建三元达科技有限公司 | Tdd‑lte上下行切换时间点的获取方法及其系统 |
KR102416552B1 (ko) * | 2017-09-29 | 2022-07-04 | 주식회사 케이엠더블유 | 시분할 이중화 방식을 사용하는 분산 안테나 시스템의 tdd 서브-시스템 |
JP7005360B2 (ja) | 2018-01-25 | 2022-01-21 | 株式会社東芝 | 通信中継装置、制御方法、および、プログラム |
JP7020993B2 (ja) * | 2018-05-14 | 2022-02-16 | 株式会社東芝 | 通信装置、分散アンテナシステム及び切り替え方法 |
WO2020022755A1 (ko) * | 2018-07-23 | 2020-01-30 | 주식회사 쏠리드 | 중계기 및 이의 동작 방법 |
JP7205103B2 (ja) * | 2018-08-08 | 2023-01-17 | 富士電機株式会社 | 受信装置、受信方法、および受信プログラム |
KR102381280B1 (ko) * | 2019-11-15 | 2022-03-31 | 주식회사 셀트론 | 단일 클럭을 이용하여 복수 tdd 신호들의 tdd 스위칭 신호를 생성하는 방법, 그리고 이를 구현한 tdd 스위칭 신호 생성 장치 |
US11502884B2 (en) * | 2020-07-09 | 2022-11-15 | Texas Instruments Incorporated | Phase prediction demodulator circuits and related method |
CN113341811A (zh) * | 2021-06-11 | 2021-09-03 | 罗森伯格技术有限公司 | 兼容两种tdd开关信号传输的方法、远端设备及系统 |
CN113258954B (zh) * | 2021-06-16 | 2021-10-01 | 南京典格通信科技有限公司 | 一种低复杂度的tdd-lte同步方法及系统 |
JP2023132895A (ja) * | 2022-03-11 | 2023-09-22 | 株式会社東芝 | 光リピータシステム、光リピータ装置、マスタユニット、および同期制御方法 |
CN114885412B (zh) * | 2022-04-13 | 2024-03-08 | 广州万码科技有限公司 | Lte帧偏移值计算方法、装置、系统、设备及存储介质 |
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US6134283A (en) | 1997-11-18 | 2000-10-17 | Amati Communications Corporation | Method and system for synchronizing time-division-duplexed transceivers |
CN100426704C (zh) * | 2002-06-06 | 2008-10-15 | 华为技术有限公司 | 时分双工无线通信系统中实现同步的方法 |
CN100438640C (zh) * | 2002-12-30 | 2008-11-26 | Nxp股份有限公司 | 用于tdd无线通信下行同步跟踪的采样方法及其装置 |
CN1714526A (zh) * | 2003-01-27 | 2005-12-28 | 连宇通信有限公司 | 一种上行链路同步获得方法及其装置 |
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CN1937447A (zh) * | 2005-09-22 | 2007-03-28 | 北京东方信联科技有限公司 | 适用于时分双工体制移动通信系统的直放站 |
CN1758567A (zh) * | 2005-11-16 | 2006-04-12 | 中兴通讯股份有限公司 | 时分双工无线通信系统中上行同步跟踪的预测方法 |
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EP3039943A1 (en) * | 2013-08-29 | 2016-07-06 | Corning Optical Communications Wireless Ltd. | Detecting uplink/downlink time-division duplexed (tdd) frame configurations to synchronize tdd downlink and uplink communications between tdd communications equipment |
US20150085834A1 (en) | 2013-09-26 | 2015-03-26 | Qualcomm Incorporated | Time division long term evolution (td-lte) frame structure modification |
KR20170134659A (ko) | 2015-04-03 | 2017-12-06 | 달리 시스템즈 씨오. 엘티디. | Lte-tdd 아키텍처에서의 링크 동기화 방법 및 시스템 |
-
2016
- 2016-04-04 KR KR1020177032015A patent/KR20170134659A/ko unknown
- 2016-04-04 SG SG11201708119WA patent/SG11201708119WA/en unknown
- 2016-04-04 EP EP16774416.8A patent/EP3278122A4/en not_active Withdrawn
- 2016-04-04 CN CN201680030803.9A patent/CN107850631B/zh active Active
- 2016-04-04 JP JP2017551651A patent/JP6868567B2/ja active Active
- 2016-04-04 US US15/090,402 patent/US9854553B2/en active Active
- 2016-04-04 BR BR112017021144A patent/BR112017021144A2/pt not_active Application Discontinuation
- 2016-04-04 WO PCT/US2016/025900 patent/WO2016161438A1/en active Application Filing
- 2016-04-04 AU AU2016244115A patent/AU2016244115A1/en not_active Withdrawn
-
2017
- 2017-11-21 US US15/820,299 patent/US10455535B2/en active Active
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2018
- 2018-05-28 HK HK18106961.2A patent/HK1247288A1/zh unknown
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2019
- 2019-09-06 US US16/563,680 patent/US10863470B2/en active Active
-
2020
- 2020-10-16 US US17/072,354 patent/US20210051620A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
SG11201708119WA (en) | 2017-11-29 |
JP2018512012A (ja) | 2018-04-26 |
EP3278122A1 (en) | 2018-02-07 |
EP3278122A4 (en) | 2018-12-05 |
HK1247288A1 (zh) | 2018-09-21 |
CN107850631B (zh) | 2020-06-26 |
US10455535B2 (en) | 2019-10-22 |
AU2016244115A1 (en) | 2017-11-23 |
JP6868567B2 (ja) | 2021-05-12 |
US20200137709A1 (en) | 2020-04-30 |
WO2016161438A1 (en) | 2016-10-06 |
US10863470B2 (en) | 2020-12-08 |
CN107850631A (zh) | 2018-03-27 |
KR20170134659A (ko) | 2017-12-06 |
US20160360500A1 (en) | 2016-12-08 |
US9854553B2 (en) | 2017-12-26 |
US20210051620A1 (en) | 2021-02-18 |
US20180227870A1 (en) | 2018-08-09 |
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