JP5736391B2 - 無線通信システムにおいてリソースを割り当てる方法及びそのための装置 - Google Patents
無線通信システムにおいてリソースを割り当てる方法及びそのための装置 Download PDFInfo
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- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0094—Indication of how sub-channels of the path are allocated
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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
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15542—Selecting at relay station its transmit and receive resources
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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
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- H—ELECTRICITY
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- 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
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
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- 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
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- H—ELECTRICITY
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- H04L5/003—Arrangements for allocating sub-channels of the transmission path
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- H04L5/0087—Timing of allocation when data requirements change
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- H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
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- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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- H—ELECTRICITY
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- H04L5/00—Arrangements affording multiple use of the transmission path
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- H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
- H04L5/0046—Determination of the number of bits transmitted on different sub-channels
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Radio Relay Systems (AREA)
- Telephonic Communication Services (AREA)
Description
(式1)
(式2)
(式3)
− 固定中継器:永続的に固定されて、陰影地域やセルカバレッジ増大のために用いられる。単純リピータの機能も可能である。
− 遊動中継器(Nomadic RN):ユーザが突然に増加するときに臨時に設置したり、建物内で任意に移したりすることができる中継器である。
− 移動中継器:バスや地下鉄のような公共輸送手段に装着可能な中継器であり、移動性を提供しなければならない。
− 帯域内接続:ドナーセル内でネットワーク対中継器リンクとネットワーク対端末リンクとが同じ周波数帯域を共有する。
− 帯域外接続:ドナーセル内でネットワーク対中継器リンクとネットワーク対端末リンクが別個の周波数帯域を用いる。
− 透過中継器:端末は、ネットワークとの通信が中継器を介して行われるということが分からない。
− 非透過中継器:端末は、ネットワークとの通信が中継器を介して行われるということが分かる。
Claims (14)
- 無線通信システムにおける中継器においてダウンリンク信号を受信する方法であって、
無線リソース制御(RRC)信号通知によって仮想リソースブロック(VRB)集合を示すリソース割当情報を受信する段階と、
サブフレームの第1直交周波数分割多重化(OFDM)シンボル以外の特定OFDMシンボルから始めて、前記サブフレームを受信する段階と、
中継器物理ダウンリンク制御チャネル(R−PDCCH)を得るために、前記サブフレーム内の前記VRB集合の少なくとも一部を監視する段階と、
前記R−PDCCHに応じた動作を行う段階と、を有し、
前記R−PDCCHは、前記サブフレームのスロットのOFDMシンボルの部分集合で受信される、方法。 - 前記R−PDCCHはインタリーブしていない、請求項1に記載の方法。
- 前記VRB集合は1又は複数の分散VRB(DVRB)を含む、請求項2に記載の方法。
- 前記1又は複数のDVRBは前記サブフレームの第1スロット内の1又は複数の物理リソースブロック(PRB)に分散され、前記1又は複数のDVRBは前記サブフレームの第2スロット内の1又は複数のPRBに分散され、
前記第2スロット内の前記1又は複数のPRBへの前記分散は、前記第1スロット内の前記1又は複数のPRBと同一のPRBインデクスを有するように構成される、請求項3に記載の方法。 - 前記VRB集合は複数のR−PDCCH候補を含み、前記中継器に指定されたR−PDCCHは、該中継器に関係する無線ネットワーク一時識別情報(RNTI)によってマスクされる、請求項1に記載の方法。
- 前記サブフレームは第3OFDMシンボルから受信される、請求項1に記載の方法。
- 無線通信システムにおいて用いられる中継器であって、
無線周波(RF)ユニットと、
プロセッサと、を備え、
前記プロセッサは、
無線リソース制御(RRC)信号通知によって仮想リソースブロック(VRB)集合を示すリソース割当情報を受信し、
サブフレームの第1直交周波数分割多重化(OFDM)シンボル以外の特定OFDMシンボルから始めて、前記サブフレームを受信し、
中継器物理ダウンリンク制御チャネル(R−PDCCH)を得るために、前記サブフレーム内の前記VRB集合の少なくとも一部を監視し、
前記R−PDCCHに応じた動作を行う、
ように構成され、
前記R−PDCCHは、前記サブフレームのスロットのOFDMシンボルの部分集合で受信される、中継器。 - 前記R−PDCCHはインタリーブしていない、請求項7に記載の中継器。
- 前記VRB集合は1又は複数の分散VRB(DVRB)を含む、請求項8に記載の中継器。
- 前記1又は複数のDVRBは前記サブフレームの第1スロット内の1又は複数の物理リソースブロック(PRB)に分散され、前記1又は複数のDVRBは前記サブフレームの第2スロット内の1又は複数のPRBに分散され、
前記第2スロット内の前記1又は複数のPRBへの前記分散は、前記第1スロット内の前記1又は複数のPRBと同一のPRBインデクスを有するように構成される、請求項9に記載の中継器。 - 前記VRB集合は複数のR−PDCCH候補を含み、前記中継器に指定されたR−PDCCHは、該中継器に関係する無線ネットワーク一時識別情報(RNTI)によってマスクされる、請求項7に記載の中継器。
- 前記サブフレームは第3OFDMシンボルから受信される、請求項7に記載の中継器。
- リソース割当情報は、前記R−PDCCH用のリソースブロック割当ビットを示す情報を含む、請求項1に記載の方法。
- 前記リソースブロック割当ビットは、前記VRB集合の開始点及び前記VRB集合の長さを用いて表され、前記VRB集合は連続的に割当てられたVRBからなる、請求項13に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US29821510P | 2010-01-26 | 2010-01-26 | |
US61/298,215 | 2010-01-26 | ||
PCT/KR2011/000549 WO2011093644A2 (en) | 2010-01-26 | 2011-01-26 | Method and apparatus for allocating resources in a wireless communication system |
KR1020110007705A KR101761624B1 (ko) | 2010-01-26 | 2011-01-26 | 무선 통신 시스템에서 릴레이가 하향링크 신호를 처리하는 방법 및 그 장치 |
KR10-2011-0007705 | 2011-01-26 |
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JP2015084812A Active JP5973617B2 (ja) | 2010-01-26 | 2015-04-17 | 無線通信システムにおいてリソースを割り当てる方法及びそのための装置 |
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US (2) | US8817692B2 (ja) |
EP (1) | EP2529588A4 (ja) |
JP (2) | JP5736391B2 (ja) |
KR (1) | KR101761624B1 (ja) |
CN (2) | CN105450379B (ja) |
AU (1) | AU2011210153B2 (ja) |
CA (1) | CA2787891C (ja) |
MX (1) | MX2012008588A (ja) |
WO (1) | WO2011093644A2 (ja) |
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EP2529588A4 (en) | 2016-03-02 |
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US20120287848A1 (en) | 2012-11-15 |
AU2011210153B2 (en) | 2014-12-18 |
WO2011093644A2 (en) | 2011-08-04 |
JP5973617B2 (ja) | 2016-08-23 |
CA2787891A1 (en) | 2011-08-04 |
CN105450379B (zh) | 2018-11-27 |
EP2529588A2 (en) | 2012-12-05 |
WO2011093644A3 (en) | 2012-01-05 |
US8817692B2 (en) | 2014-08-26 |
JP2013518502A (ja) | 2013-05-20 |
CN105450379A (zh) | 2016-03-30 |
US9107189B2 (en) | 2015-08-11 |
US20140348057A1 (en) | 2014-11-27 |
AU2011210153A1 (en) | 2012-08-16 |
MX2012008588A (es) | 2012-10-09 |
CN102726109B (zh) | 2016-01-20 |
KR20110088432A (ko) | 2011-08-03 |
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