KR101545930B1 - 무선 통신 시스템들에서 중계기 파일럿 신호 생성을 위한 시스템, 장치 및 방법 - Google Patents
무선 통신 시스템들에서 중계기 파일럿 신호 생성을 위한 시스템, 장치 및 방법 Download PDFInfo
- Publication number
- KR101545930B1 KR101545930B1 KR1020147012277A KR20147012277A KR101545930B1 KR 101545930 B1 KR101545930 B1 KR 101545930B1 KR 1020147012277 A KR1020147012277 A KR 1020147012277A KR 20147012277 A KR20147012277 A KR 20147012277A KR 101545930 B1 KR101545930 B1 KR 101545930B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- auxiliary pilot
- pilot signal
- amplified signal
- time domain
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/269,354 | 2011-10-07 | ||
| US13/269,354 US8934398B2 (en) | 2011-10-07 | 2011-10-07 | System, apparatus, and method for repeater pilot signal generation in wireless communication systems |
| PCT/US2012/058262 WO2013052406A1 (en) | 2011-10-07 | 2012-10-01 | System, apparatus, and method for repeater pilot signal generation in wireless communication systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20140085500A KR20140085500A (ko) | 2014-07-07 |
| KR101545930B1 true KR101545930B1 (ko) | 2015-08-20 |
Family
ID=47138164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147012277A Expired - Fee Related KR101545930B1 (ko) | 2011-10-07 | 2012-10-01 | 무선 통신 시스템들에서 중계기 파일럿 신호 생성을 위한 시스템, 장치 및 방법 |
Country Status (7)
Families Citing this family (36)
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| KR101311512B1 (ko) | 2011-08-09 | 2013-09-25 | 주식회사 케이티 | 상향 링크 신호 처리 방법, 하향 링크 신호 처리 방법 및 이를 수행하는 무선 유닛 |
| KR101289879B1 (ko) | 2011-08-16 | 2013-07-24 | 주식회사 케이티 | 디지털 신호 처리 장치, 신호 처리 시스템 및 신호 처리 방법 |
| KR101311523B1 (ko) | 2011-10-26 | 2013-09-25 | 주식회사 케이티 | 이종 망 간의 망 부하 분산 방법 |
| KR101311524B1 (ko) | 2011-10-27 | 2013-09-25 | 주식회사 케이티 | 이종 망의 경계 주변에 위치하는 단말의 망 천이 방법 |
| KR101262340B1 (ko) | 2011-11-30 | 2013-05-08 | 주식회사 케이티 | 시스템 정보 제공 장치 및 그 방법 |
| WO2013173250A1 (en) | 2012-05-13 | 2013-11-21 | Invention Mine Llc | Full duplex wireless transmission with self-interference cancellation |
| US10135518B2 (en) * | 2012-11-15 | 2018-11-20 | Novelsat Ltd. | Echo cancellation in communication transceivers |
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| WO2015074230A1 (zh) * | 2013-11-21 | 2015-05-28 | 华为技术有限公司 | 一种自干扰信道估计方法及装置 |
| EP3068055B1 (en) * | 2013-11-29 | 2019-05-08 | Huawei Technologies Co., Ltd. | Method and device for reducing self-interference signal of communication system |
| CA2931884C (en) * | 2013-11-29 | 2018-06-26 | Huawei Technologies Co., Ltd. | Method for reducing self-interference signal in communications system, and apparatus |
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| EP3245741A4 (en) | 2015-01-14 | 2018-09-26 | Novelsat Ltd. | Echo cancellation with transmitter-side pre-filtering |
| DE112016000449B4 (de) | 2015-01-23 | 2024-08-08 | Lg Electronics Inc. | Verfahren zum Schätzen eines nichtlinearen Selbstinterferenz-Signalkanals durch eine Vorrichtung unter Verwendung eines FDR-Schemas |
| WO2016129823A1 (ko) * | 2015-02-13 | 2016-08-18 | 엘지전자 주식회사 | Fdr 방식을 이용하는 통신 장치가 자기간섭 신호를 추정하기 위한 방법 |
| US9866301B2 (en) | 2015-03-27 | 2018-01-09 | Alcatel Lucent | Channel estimation techniques for LSAS backhaul and the like |
| WO2017026513A1 (ja) * | 2015-08-13 | 2017-02-16 | 株式会社Nttドコモ | ユーザ端末、無線基地局、無線通信方法及び無線通信システム |
| US10333593B2 (en) | 2016-05-02 | 2019-06-25 | Amir Keyvan Khandani | Systems and methods of antenna design for full-duplex line of sight transmission |
| EP3556027B1 (en) * | 2016-12-16 | 2022-10-05 | Commscope Technologies LLC | Method and apparatus for operating co-located transceivers on the same frequency band |
| US10367631B2 (en) * | 2017-01-17 | 2019-07-30 | Cisco Technology, Inc. | Front end for full duplex cable modem |
| EP3593456B1 (en) * | 2017-03-07 | 2025-08-13 | Indian Institute of Technology Madras | Method and system for cancelling self-interference by a node in a wireless communication system |
| US10700766B2 (en) * | 2017-04-19 | 2020-06-30 | Amir Keyvan Khandani | Noise cancelling amplify-and-forward (in-band) relay with self-interference cancellation |
| US10469298B2 (en) * | 2017-05-12 | 2019-11-05 | Qualcomm Incorporated | Increasing reference signal density in wireless communications |
| US11057204B2 (en) | 2017-10-04 | 2021-07-06 | Amir Keyvan Khandani | Methods for encrypted data communications |
| US11012144B2 (en) | 2018-01-16 | 2021-05-18 | Amir Keyvan Khandani | System and methods for in-band relaying |
| CN108200198A (zh) * | 2018-02-05 | 2018-06-22 | 四川灵通电讯有限公司 | 物联网通信用中继设备及其应用方法 |
| US10879995B2 (en) | 2018-04-10 | 2020-12-29 | Wilson Electronics, Llc | Feedback cancellation on multiband booster |
| US11303369B2 (en) * | 2018-10-09 | 2022-04-12 | Wilson Electronics, Llc | Booster gain adjustment based on user equipment (UE) need |
| US11637613B1 (en) | 2019-05-21 | 2023-04-25 | Massachusetts Institute Of Technology | Method and apparatus for determining a receiver beam in a co-existence cognitive radio |
| US11265075B2 (en) | 2019-06-07 | 2022-03-01 | Cellphone-Mate, Inc. | Radio frequency signal boosters serving as outdoor infrastructure in high frequency cellular networks |
| US11979218B1 (en) * | 2020-01-28 | 2024-05-07 | Cellphone-Mate, Inc. | Radio frequency signal boosters serving as outdoor infrastructure in high frequency cellular networks |
| CN113114327B (zh) * | 2021-03-19 | 2022-12-02 | 中国联合网络通信集团有限公司 | 一种信号中继方法、信号识别方法、装置及设备 |
| US11876573B2 (en) * | 2021-07-23 | 2024-01-16 | Qualcomm Incorporated | Repeater communication system with sub-band power measurement capability |
| US12301489B2 (en) * | 2021-09-22 | 2025-05-13 | Qualcomm Incorporated | Managing wireless communications for leaky-wave antennas |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090291632A1 (en) * | 2008-05-20 | 2009-11-26 | Richard Neil Braithwaite | Adaptive echo cancellation for an on-frequency rf repeater with digital sub-band filtering |
| US20100167639A1 (en) * | 2008-12-31 | 2010-07-01 | Chris Ranson | System and method for feedback cancellation in repeaters |
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| JP2000134143A (ja) * | 1998-10-23 | 2000-05-12 | Fujitsu Ltd | 時分割多元接続−時分割双方向伝送方式を利用した無線中継システム |
| US7573807B1 (en) * | 1999-09-17 | 2009-08-11 | Alcatel-Lucent Usa Inc. | Method and apparatus for performing differential modulation over frequency in an orthogonal frequency division multiplexing (OFDM) communication system |
| US6385435B1 (en) | 2000-04-20 | 2002-05-07 | Jhong Sam Lee | Coupled interference concellation system for wideband repeaters in a cellular system |
| US6745018B1 (en) | 2000-09-29 | 2004-06-01 | Intel Corporation | Active cancellation of a wireless coupled transmit signal |
| EP1225708A3 (en) * | 2001-01-23 | 2003-08-20 | Texas Instruments Incorporated | Spreading factor estimation system and method |
| WO2002089373A1 (en) * | 2001-04-13 | 2002-11-07 | Passover Inc. | Third generation (3g) mobile service over catv network |
| EP1382217B1 (en) | 2001-04-24 | 2010-04-28 | QUALCOMM Incorporated | Method and apparatus for estimating the position of a terminal based on identification codes for transmission sources |
| US6735264B2 (en) * | 2001-08-31 | 2004-05-11 | Rainmaker Technologies, Inc. | Compensation for non-linear distortion in a modem receiver |
| US7355993B2 (en) * | 2002-06-27 | 2008-04-08 | Adkins Keith L | Method and apparatus for forward link gain control in a power controlled repeater |
| US7280467B2 (en) * | 2003-01-07 | 2007-10-09 | Qualcomm Incorporated | Pilot transmission schemes for wireless multi-carrier communication systems |
| US7873315B2 (en) | 2007-03-30 | 2011-01-18 | Alcatel-Lucent Usa Inc. | Repeater for providing coverage within a wireless communications network and methods thereof |
| KR100953117B1 (ko) | 2007-11-05 | 2010-04-19 | 주식회사 쏠리테크 | 와이브로 중계기에서의 피드백 채널 간섭제거장치 및 그방법, 이를 구비한 중계기 |
| US8923249B2 (en) * | 2008-03-26 | 2014-12-30 | Qualcomm Incorporated | Method and apparatus for scrambling sequence generation in a communication system |
| CN101252714B (zh) * | 2008-03-27 | 2011-04-06 | 桂林市思奇通信设备有限公司 | 基站载波分配器及其所组的通讯网络 |
| US9036663B2 (en) * | 2008-09-22 | 2015-05-19 | Rpx Clearinghouse Llc | Method and system for space code transmit diversity of PUCCH |
| KR101357923B1 (ko) * | 2008-10-23 | 2014-02-03 | 에릭슨 엘지 주식회사 | 자기간섭 제거 장치 및 방법과 그를 위한 릴레이 시스템 |
| US20100284447A1 (en) | 2009-05-11 | 2010-11-11 | Qualcomm Incorporated | Frequency domain feedback channel estimation for an interference cancellation repeater including sampling of non causal taps |
| US9020009B2 (en) * | 2009-05-11 | 2015-04-28 | Qualcomm Incorporated | Inserted pilot construction for an echo cancellation repeater |
| US9203584B2 (en) * | 2009-11-02 | 2015-12-01 | Qualcomm Incorporated | TDM-FDM relay backhaul channel for LTE advanced |
| KR101733489B1 (ko) * | 2010-01-17 | 2017-05-24 | 엘지전자 주식회사 | 무선 통신 시스템에서 제어 정보의 전송 방법 및 장치 |
| KR101753586B1 (ko) * | 2010-02-03 | 2017-07-04 | 엘지전자 주식회사 | 무선 통신 시스템에서 제어 정보의 전송 방법 및 장치 |
| JP5501034B2 (ja) * | 2010-03-01 | 2014-05-21 | シャープ株式会社 | 通信システム、送信装置、受信装置 |
-
2011
- 2011-10-07 US US13/269,354 patent/US8934398B2/en active Active
-
2012
- 2012-10-01 JP JP2014534621A patent/JP5937220B2/ja not_active Expired - Fee Related
- 2012-10-01 IN IN2194CHN2014 patent/IN2014CN02194A/en unknown
- 2012-10-01 EP EP12781212.1A patent/EP2764638A1/en not_active Withdrawn
- 2012-10-01 CN CN201280049003.3A patent/CN104205664B/zh active Active
- 2012-10-01 WO PCT/US2012/058262 patent/WO2013052406A1/en active Application Filing
- 2012-10-01 KR KR1020147012277A patent/KR101545930B1/ko not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090291632A1 (en) * | 2008-05-20 | 2009-11-26 | Richard Neil Braithwaite | Adaptive echo cancellation for an on-frequency rf repeater with digital sub-band filtering |
| US20100167639A1 (en) * | 2008-12-31 | 2010-07-01 | Chris Ranson | System and method for feedback cancellation in repeaters |
Also Published As
| Publication number | Publication date |
|---|---|
| US8934398B2 (en) | 2015-01-13 |
| CN104205664B (zh) | 2017-09-12 |
| IN2014CN02194A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 2015-05-29 |
| CN104205664A (zh) | 2014-12-10 |
| JP5937220B2 (ja) | 2016-06-22 |
| US20130089021A1 (en) | 2013-04-11 |
| JP2014532365A (ja) | 2014-12-04 |
| WO2013052406A1 (en) | 2013-04-11 |
| EP2764638A1 (en) | 2014-08-13 |
| KR20140085500A (ko) | 2014-07-07 |
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