JP5778745B2 - リレー方式の通信システムにおける基準信号割り当て方法、並びにそれを用いたデータ送受信方法及び装置 - Google Patents
リレー方式の通信システムにおける基準信号割り当て方法、並びにそれを用いたデータ送受信方法及び装置 Download PDFInfo
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- JP5778745B2 JP5778745B2 JP2013263352A JP2013263352A JP5778745B2 JP 5778745 B2 JP5778745 B2 JP 5778745B2 JP 2013263352 A JP2013263352 A JP 2013263352A JP 2013263352 A JP2013263352 A JP 2013263352A JP 5778745 B2 JP5778745 B2 JP 5778745B2
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- 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
- H04B7/15557—Selecting relay station operation mode, e.g. between amplify and forward mode, decode and forward mode or FDD - and TDD mode
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- 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
- H04L5/0048—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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource 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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Telephonic Communication Services (AREA)
Description
Claims (5)
- 無線接続システムにおけるリレーノードによりダウンリンク基準信号を受信する方法であって、
第1スロットと第2スロットを含むダウンリンクサブフレームを基地局から受信する段階を含み、
前記第1スロット及び前記第2スロットのそれぞれは、基地局からリレーノードへの送信シンボルを含み、
前記ダウンリンクサブフレームのサブフレーム境界は前記基地局と前記リレーノードにより時間整列され、
前記ダウンリンク基準信号は前記ダウンリンクサブフレームにおけるOFDMの端部にマッピングされないことを特徴とする方法。 - 前記基地局からリレーノードへの送信シンボルの数は、前記サイクリック・プリフィックス(CP)がノーマルサイクリック・プリフィックスのとき、前記ダウンリンクサブフレームの前記第2のスロットにおいて、6である、請求項1に記載の方法。
- 前記ダウンリンク基準信号が前記ダウンリンクサブフレームの前記第2スロット内の最後のOFDMシンボルにマッピングされない、請求項1に記載の方法。
- 無線接続システムにおいてダウンリンク基準信号を受信する装置であって、
無線周波数ユニットと、
プロセッサを備え、
前記プロセッサは、第1スロットと第2スロットを含むダウンリンクサブフレームを基地局から受信するように構成され、
前記第1スロットと前記第2スロットのそれぞれは、基地局からリレーノードへの送信シンボルを含み、
前記ダウンリンクサブフレームのサブフレーム境界は前記基地局と前記リレーノードにより時間整列され、
前記ダウンリンク基準信号は前記ダウンリンクサブフレームにおけるOFDMの端部にマッピングされないことを特徴とする装置。 - 前記ダウンリンク基準信号は前記ダウンリンクサブフレームの前記第2のスロットにおける最後のOFDMシンボルにマッピングされない、
請求項4に記載の装置。
Applications Claiming Priority (2)
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US15397909P | 2009-02-20 | 2009-02-20 | |
US61/153,979 | 2009-02-20 |
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JP2011551010A Division JP2012518363A (ja) | 2009-02-20 | 2010-02-19 | リレー方式の通信システムにおける基準信号割り当て方法、並びにそれを用いたデータ送受信方法及び装置 |
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JP2015136916A Division JP6174633B2 (ja) | 2009-02-20 | 2015-07-08 | リレー方式の通信システムにおける基準信号割り当て方法、並びにそれを用いたデータ送受信方法及び装置 |
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JP2014099871A JP2014099871A (ja) | 2014-05-29 |
JP5778745B2 true JP5778745B2 (ja) | 2015-09-16 |
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JP2011551010A Pending JP2012518363A (ja) | 2009-02-20 | 2010-02-19 | リレー方式の通信システムにおける基準信号割り当て方法、並びにそれを用いたデータ送受信方法及び装置 |
JP2013263352A Active JP5778745B2 (ja) | 2009-02-20 | 2013-12-20 | リレー方式の通信システムにおける基準信号割り当て方法、並びにそれを用いたデータ送受信方法及び装置 |
JP2015136916A Expired - Fee Related JP6174633B2 (ja) | 2009-02-20 | 2015-07-08 | リレー方式の通信システムにおける基準信号割り当て方法、並びにそれを用いたデータ送受信方法及び装置 |
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Country Status (6)
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US (2) | US8565184B2 (ja) |
EP (1) | EP2400681B1 (ja) |
JP (3) | JP2012518363A (ja) |
KR (1) | KR101719995B1 (ja) |
CN (2) | CN106411384B (ja) |
WO (1) | WO2010095887A2 (ja) |
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2010
- 2010-02-19 EP EP10743962.2A patent/EP2400681B1/en active Active
- 2010-02-19 CN CN201610393176.7A patent/CN106411384B/zh active Active
- 2010-02-19 KR KR1020117014852A patent/KR101719995B1/ko active IP Right Grant
- 2010-02-19 JP JP2011551010A patent/JP2012518363A/ja active Pending
- 2010-02-19 WO PCT/KR2010/001045 patent/WO2010095887A2/ko active Application Filing
- 2010-02-19 CN CN201080008694.3A patent/CN102326347B/zh active Active
- 2010-02-19 US US13/202,537 patent/US8565184B2/en active Active
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Also Published As
Publication number | Publication date |
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JP6174633B2 (ja) | 2017-08-02 |
CN106411384A (zh) | 2017-02-15 |
US9801160B2 (en) | 2017-10-24 |
CN106411384B (zh) | 2019-10-18 |
CN102326347B (zh) | 2016-07-06 |
EP2400681A4 (en) | 2015-11-11 |
CN102326347A (zh) | 2012-01-18 |
KR20110118619A (ko) | 2011-10-31 |
US20120134316A1 (en) | 2012-05-31 |
WO2010095887A2 (ko) | 2010-08-26 |
EP2400681B1 (en) | 2020-04-01 |
US20130272188A1 (en) | 2013-10-17 |
US8565184B2 (en) | 2013-10-22 |
WO2010095887A3 (ko) | 2010-11-18 |
JP2014099871A (ja) | 2014-05-29 |
JP2015222967A (ja) | 2015-12-10 |
JP2012518363A (ja) | 2012-08-09 |
EP2400681A2 (en) | 2011-12-28 |
KR101719995B1 (ko) | 2017-03-27 |
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