WO2011040797A3 - 하향링크 참조신호의 전송방법 및 장치 - Google Patents
하향링크 참조신호의 전송방법 및 장치 Download PDFInfo
- Publication number
- WO2011040797A3 WO2011040797A3 PCT/KR2010/006750 KR2010006750W WO2011040797A3 WO 2011040797 A3 WO2011040797 A3 WO 2011040797A3 KR 2010006750 W KR2010006750 W KR 2010006750W WO 2011040797 A3 WO2011040797 A3 WO 2011040797A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reference signal
- layers
- groups
- downlink
- transmitting
- Prior art date
Links
Classifications
-
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012532024A JP2013507033A (ja) | 2009-10-02 | 2010-10-04 | ダウンリンク参照信号の転送方法及び装置 |
CN201080044817.9A CN102577156B (zh) | 2009-10-02 | 2010-10-04 | 用于下行链路参考信号的发送方法和装置 |
EP10820870.3A EP2485416A4 (en) | 2009-10-02 | 2010-10-04 | Transmission method and device for a downlink reference signal |
US13/499,907 US8934446B2 (en) | 2009-10-02 | 2010-10-04 | Transmission method and device for a downlink reference signal |
US14/558,484 US9313003B2 (en) | 2009-10-02 | 2014-12-02 | Transmission method and device for a downlink reference signal |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24832009P | 2009-10-02 | 2009-10-02 | |
US61/248,320 | 2009-10-02 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/499,907 A-371-Of-International US8934446B2 (en) | 2009-10-02 | 2010-10-04 | Transmission method and device for a downlink reference signal |
US14/558,484 Continuation US9313003B2 (en) | 2009-10-02 | 2014-12-02 | Transmission method and device for a downlink reference signal |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011040797A2 WO2011040797A2 (ko) | 2011-04-07 |
WO2011040797A3 true WO2011040797A3 (ko) | 2011-08-18 |
Family
ID=43826821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2010/006750 WO2011040797A2 (ko) | 2009-10-02 | 2010-10-04 | 하향링크 참조신호의 전송방법 및 장치 |
Country Status (5)
Country | Link |
---|---|
US (2) | US8934446B2 (ko) |
EP (1) | EP2485416A4 (ko) |
JP (1) | JP2013507033A (ko) |
CN (1) | CN102577156B (ko) |
WO (1) | WO2011040797A2 (ko) |
Families Citing this family (26)
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KR101208549B1 (ko) * | 2008-08-05 | 2012-12-05 | 엘지전자 주식회사 | 하향링크 mimo시스템에 있어서 기준 신호 송신 방법 |
CN102014099B (zh) * | 2009-11-02 | 2013-04-24 | 电信科学技术研究院 | 一种下行导频的传输方法、装置及系统 |
CN104901788B (zh) * | 2011-08-05 | 2018-08-21 | 华为技术有限公司 | 一种导频信号发送方法和设备 |
WO2013023093A2 (en) * | 2011-08-11 | 2013-02-14 | Interdigital Patent Holdings, Inc. | Multiple-input and multiple-ouptut (mimo) enhancement for backhaul relays |
US9544083B2 (en) * | 2011-11-21 | 2017-01-10 | Broadcom Corporation | Secondary synchronization signal detection with interference cancelation for LTE |
US9019921B2 (en) | 2012-02-22 | 2015-04-28 | Lg Electronics Inc. | Method and apparatus for transmitting data between wireless devices in wireless communication system |
GB2502113B (en) * | 2012-05-16 | 2017-02-01 | Broadcom Corp | Radio communications |
CN104067680B (zh) * | 2013-01-18 | 2018-02-16 | 华为技术有限公司 | 导频信号发送方法、导频信号接收方法、基站和用户设备 |
CN110113128B (zh) | 2013-01-18 | 2021-10-26 | 华为技术有限公司 | 发现参考信号的发送和检测方法及装置 |
EP2992609A4 (en) | 2013-04-30 | 2016-12-21 | Empire Technology Dev Llc | HYBRID WIRELESS FDD / TDD NETWORK |
EP3111566B1 (en) | 2014-02-25 | 2018-12-12 | MediaTek Inc. | Direction finding positioning in wireless local area networks |
US20160029225A1 (en) * | 2014-07-22 | 2016-01-28 | Alcatel-Lucent Usa Inc. | Active Antenna System And Method With Full Antenna Ports Dimension |
US9930671B2 (en) * | 2014-08-22 | 2018-03-27 | Sony Corporation | Device and method for performing non-orthogonal multiplexing |
US10038528B2 (en) | 2014-12-19 | 2018-07-31 | Qualcomm Incorporated | Common reference signal design based on semi-uniform pilot spacing and orthogonal cover code |
WO2017075809A1 (zh) * | 2015-11-06 | 2017-05-11 | 华为技术有限公司 | 一种参考信号的传输方法、用户设备、基站及系统 |
JP6068692B2 (ja) * | 2016-01-05 | 2017-01-25 | 日本放送協会 | 送信装置及び受信装置 |
CN107302509B (zh) * | 2016-04-08 | 2021-08-31 | 中兴通讯股份有限公司 | 一种抗干扰的方法及系统 |
WO2017192079A1 (en) * | 2016-05-04 | 2017-11-09 | Telefonaktiebolaget Lm Ericsson (Publ) | A transmitter, a receiver and respective methods using different modulation and coding schemes for diferent codeblocks |
WO2018004251A1 (ko) | 2016-06-28 | 2018-01-04 | 엘지전자 주식회사 | 하향링크 신호 수신 방법 및 사용자기기와, 하향링크 신호 전송 방법 및 기지국 |
CN107733609B (zh) * | 2016-08-12 | 2023-10-13 | 华为技术有限公司 | 参考信号发送方法和参考信号发送装置 |
CN113411173B (zh) * | 2016-12-07 | 2024-04-19 | 三菱电机株式会社 | 发送装置、通信系统和发送方法 |
CN110383926B (zh) * | 2017-04-12 | 2021-04-09 | Oppo广东移动通信有限公司 | 一种信号传输方法和装置 |
US10772104B2 (en) * | 2017-12-21 | 2020-09-08 | Samsung Electronics Co., Ltd. | Wireless communication device and symbol-based processing method for downlink signals thereof |
EP3776895A1 (en) * | 2018-04-13 | 2021-02-17 | Telefonaktiebolaget LM Ericsson (publ) | Reference signaling for radio access networks |
JP2023520585A (ja) * | 2020-04-08 | 2023-05-17 | アップル インコーポレイテッド | リリース16のmimo拡張のための上位レイヤ設計 |
US11784865B2 (en) * | 2020-04-28 | 2023-10-10 | Qualcomm Incorporated | User equipment initiated data aided phase tracking reference signals on multiple layers of a communication link |
Citations (2)
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KR20070101808A (ko) * | 2006-04-12 | 2007-10-17 | 엘지전자 주식회사 | 다중 송수신 안테나 시스템에서의 참조신호 배치 방법 |
KR20080054164A (ko) * | 2006-12-12 | 2008-06-17 | 엘지전자 주식회사 | 참조 신호 전송, 참조 신호 전송 패턴 설정, 자원 블록설정 및 할당을 위한 방법 및 장치 |
Family Cites Families (20)
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US7551546B2 (en) * | 2002-06-27 | 2009-06-23 | Nortel Networks Limited | Dual-mode shared OFDM methods/transmitters, receivers and systems |
US8831115B2 (en) * | 2004-12-22 | 2014-09-09 | Qualcomm Incorporated | MC-CDMA multiplexing in an orthogonal uplink |
EP1860792A1 (en) * | 2005-03-30 | 2007-11-28 | Matsusita Electric Industrial Co., Ltd. | Wireless communication method, wireless communication system, and wireless communication device |
US9130791B2 (en) * | 2006-03-20 | 2015-09-08 | Qualcomm Incorporated | Uplink channel estimation using a signaling channel |
US8174957B2 (en) * | 2006-04-12 | 2012-05-08 | Lg Electronics Inc. | Method for allocating reference signals in MIMO system |
US8498639B2 (en) * | 2007-02-09 | 2013-07-30 | Qualcomm Incorporated | Flexible channel quality indicator reporting |
US7808882B2 (en) * | 2007-04-17 | 2010-10-05 | Sharp Laboratories Of America, Inc. | Method and system for optimized reference signal downlink transmission in a wireless communication system |
US20080273452A1 (en) * | 2007-05-04 | 2008-11-06 | Farooq Khan | Antenna mapping in a MIMO wireless communication system |
US20090067391A1 (en) * | 2007-09-11 | 2009-03-12 | Zukang Shen | Separate Rank and CQI Feedback in Wireless Networks |
US8094761B2 (en) | 2007-12-07 | 2012-01-10 | Samsung Electronics Co., Ltd. | Uplink feedback for supporting MIMO operation in the LTE downlink |
US7729237B2 (en) | 2008-03-17 | 2010-06-01 | Lg Electronics Inc. | Method of transmitting reference signal and transmitter using the same |
US8259825B2 (en) * | 2008-08-08 | 2012-09-04 | Motorola Mobility, Inc. | Mapping and signaling of common reference symbols for multiple antennas |
US20100061360A1 (en) * | 2008-09-10 | 2010-03-11 | Texas Instruments Incorporated | Dedicated reference signal structures for spatial multiplexing beamforming |
US8234432B2 (en) | 2009-01-26 | 2012-07-31 | Advanced Micro Devices, Inc. | Memory structure to store interrupt state for inactive guests |
US20100195748A1 (en) * | 2009-02-02 | 2010-08-05 | Samsung Electronics Co., Ltd. | Method and system for reference signal pattern design in resource blocks |
US8252821B2 (en) | 2009-04-14 | 2012-08-28 | Bristol-Myers Squibb Company | Bioavailable capsule compositions of amorphous alpha-(N-sulfonamido)acetamide compound |
WO2010121435A1 (en) * | 2009-04-24 | 2010-10-28 | Huawei Technologies Co., Ltd. | Method for generating reference signals |
US8208434B2 (en) * | 2009-04-28 | 2012-06-26 | Motorola Mobility, Inc. | Method of signaling particular types of resource elements in a wireless communication system |
US8260356B2 (en) * | 2009-06-18 | 2012-09-04 | Samsung Electronics Co., Ltd. | Method and system for indicating method used to scramble dedicated reference signals |
CN101621492A (zh) * | 2009-08-14 | 2010-01-06 | 中兴通讯股份有限公司 | 一种专用解调数据参考信号的资源确定方法 |
-
2010
- 2010-10-04 US US13/499,907 patent/US8934446B2/en not_active Expired - Fee Related
- 2010-10-04 JP JP2012532024A patent/JP2013507033A/ja active Pending
- 2010-10-04 WO PCT/KR2010/006750 patent/WO2011040797A2/ko active Application Filing
- 2010-10-04 CN CN201080044817.9A patent/CN102577156B/zh not_active Expired - Fee Related
- 2010-10-04 EP EP10820870.3A patent/EP2485416A4/en not_active Withdrawn
-
2014
- 2014-12-02 US US14/558,484 patent/US9313003B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20070101808A (ko) * | 2006-04-12 | 2007-10-17 | 엘지전자 주식회사 | 다중 송수신 안테나 시스템에서의 참조신호 배치 방법 |
KR20080054164A (ko) * | 2006-12-12 | 2008-06-17 | 엘지전자 주식회사 | 참조 신호 전송, 참조 신호 전송 패턴 설정, 자원 블록설정 및 할당을 위한 방법 및 장치 |
Non-Patent Citations (3)
Title |
---|
"Further considerations on UE-specific reference symbol multiplexing for LTE- Advanced downlink", 3GPP TSG RAN WG1 MEETING #57 RL-091757, 4 May 2009 (2009-05-04) - 8 May 2009 (2009-05-08), XP050339282 * |
"Performance evaluation of multiplexing stream DRS design", 3GPP TSG RAN WG1 MEETING #56 RL-091385, 23 March 2009 (2009-03-23) - 27 March 2009 (2009-03-27), XP050338974 * |
See also references of EP2485416A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN102577156A (zh) | 2012-07-11 |
US9313003B2 (en) | 2016-04-12 |
US20150085822A1 (en) | 2015-03-26 |
US20120195285A1 (en) | 2012-08-02 |
CN102577156B (zh) | 2016-01-20 |
US8934446B2 (en) | 2015-01-13 |
JP2013507033A (ja) | 2013-02-28 |
WO2011040797A2 (ko) | 2011-04-07 |
EP2485416A2 (en) | 2012-08-08 |
EP2485416A4 (en) | 2017-04-05 |
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