JP2014533909A - 無線通信システムで制御情報送信のための方法及び装置 - Google Patents
無線通信システムで制御情報送信のための方法及び装置 Download PDFInfo
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- 238000013507 mapping Methods 0.000 description 12
- 125000004122 cyclic group Chemical group 0.000 description 10
- 238000000638 solvent extraction Methods 0.000 description 9
- 238000013468 resource allocation Methods 0.000 description 7
- 230000007480 spreading Effects 0.000 description 6
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- 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
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- 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
- H04W88/02—Terminal devices
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
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Abstract
Description
図1を参照すれば、時間ドメインにおいて、LTE/LTE−Aシステムにおけるリソース割り当ての基本単位はサブフレームである。
Claims (16)
- 無線通信システムの基地局における制御情報送信方法であって、
制御情報を送信するリソースと前記リソースに対応してDMRSを送信するDMRSポートに同一に適用されるプリコーダを決定する段階と、
前記決定されたプリコーダを用いて前記リソースと前記DMRSポートをプリコーディングする段階と、及び
前記制御情報と前記DMRSを端末へ送信する段階と、を含むことを特徴とする方法。 - 前記リソースと前記リソースに対応する前記DMRSポートは予め設定されていることを特徴とする、請求項1に記載の方法。
- 制御情報送信領域とDMRSポートの番号を設定する段階、及び
前記設定を送信する段階をさらに含むことを特徴とする、請求項1に記載の方法。 - 前記リソースは、リソース要素(Resource Element、RE)、リソース要素グループ(Resource Element Group、REG)又はリソースブロック(Resource Block、RB)のうちの少なくとも一つ以上であることを特徴とする、請求項1に記載の方法。
- 無線通信システムの端末による制御情報受信方法であって、
基地局からサブフレームを受信する段階と、
制御情報を送信するリソースに適用されたプリコーダをDMRSを用いて決定する段階と、及び
前記プリコーダを用いてリソースを復調する段階を含むことを特徴とする方法。 - 前記リソースと前記リソースに対応されるDMRSポートが予め設定されていることを特徴とする、請求項5に記載の方法。
- 制御情報送信領域及びDMRSポート番号設定を受信する段階をさらに含むことを特徴とする、請求項5に記載の方法。
- 前記リソースはリソース要素(Resource Element、RE)、リソース要素グループ(Resource Element Group、REG)又はリソースブロック(Resource Block、RB)のうちの少なくとも一つ以上であることを特徴とする、請求項5に記載の方法。
- 無線通信システムで制御情報送信を実行する基地局装置であって、
制御情報を送信するリソースと前記リソースに対応してDMRSを送信するDMRSポートに同一に適用されるプリコーダを決定し、前記決定されたプリコーダを用いて前記リソースと前記DMRSポートをプリコーディングし、前記制御情報と前記DMRSを端末へ送信するように制御する制御部を含むことを特徴とする装置。 - 前記リソースと前記リソースに対応される前記DMRSポートが予め設定されていることを特徴とする、請求項9に記載の装置。
- 前記制御部は、
制御情報送信領域とDMRSポートの番号を設定し、前記設定を送信するように制御することを特徴とする、請求項9に記載の装置。 - 前記リソースは、リソース要素(Resource Element、RE)、リソース要素グループ(Resource Element Group、REG)又はリソースブロック(Resource Block、RB)のうちの少なくとも一つ以上であることを特徴とする、請求項9に記載の装置。
- 無線通信システムで制御情報受信を実行する端末装置であって、
基地局からサブフレームを受信し、DMRSを用いてDMRSに適用されたプリコーダを決定し、前記プリコーダを用いてリソースを復調する段階を含むように制御することを特徴とする記載の装置。 - 前記リソースと前記リソースに対応するDMRSポートが予め設定されていることを特徴とする、請求項13に記載の装置。
- 制御部は、
制御情報送信領域及びDMRSポート番号設定を受信するように制御することを特徴とする、請求項13に記載の装置。 - 前記リソースは、リソース要素(Resource Element、RE)、リソース要素グループ(Resource Element Group、REG)又はリソースブロック(Resource Block、RB)のうちの少なくとも一つ以上であることを特徴とする、請求項13に記載の装置。
Applications Claiming Priority (5)
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US201161560454P | 2011-11-16 | 2011-11-16 | |
US61/560,454 | 2011-11-16 | ||
US201261587351P | 2012-01-17 | 2012-01-17 | |
US61/587,351 | 2012-01-17 | ||
PCT/KR2012/009765 WO2013073909A1 (en) | 2011-11-16 | 2012-11-16 | Method and apparatus for transmitting control information in wireless communication systems |
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JP2014533909A true JP2014533909A (ja) | 2014-12-15 |
JP6307434B2 JP6307434B2 (ja) | 2018-04-04 |
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US (4) | US9247537B2 (ja) |
EP (1) | EP2781045B1 (ja) |
JP (1) | JP6307434B2 (ja) |
KR (1) | KR102207480B1 (ja) |
CN (2) | CN108039902B (ja) |
AU (1) | AU2012337546B2 (ja) |
CA (1) | CA2855702C (ja) |
RU (1) | RU2608773C2 (ja) |
WO (1) | WO2013073909A1 (ja) |
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CN108039902B (zh) | 2021-06-22 |
US10314022B2 (en) | 2019-06-04 |
US20150163783A1 (en) | 2015-06-11 |
EP2781045A1 (en) | 2014-09-24 |
US20130121276A1 (en) | 2013-05-16 |
US10506571B2 (en) | 2019-12-10 |
US9247537B2 (en) | 2016-01-26 |
RU2014119694A (ru) | 2015-11-20 |
CN108039902A (zh) | 2018-05-15 |
CA2855702A1 (en) | 2013-05-23 |
US20140185560A1 (en) | 2014-07-03 |
AU2012337546A1 (en) | 2014-05-08 |
EP2781045A4 (en) | 2015-10-14 |
US20150163781A1 (en) | 2015-06-11 |
CN104185960A (zh) | 2014-12-03 |
EP2781045B1 (en) | 2021-04-07 |
AU2012337546B2 (en) | 2017-01-05 |
WO2013073909A1 (en) | 2013-05-23 |
KR20130054217A (ko) | 2013-05-24 |
RU2608773C2 (ru) | 2017-01-24 |
CN104185960B (zh) | 2018-03-20 |
US10299258B2 (en) | 2019-05-21 |
CA2855702C (en) | 2020-01-14 |
JP6307434B2 (ja) | 2018-04-04 |
KR102207480B1 (ko) | 2021-01-26 |
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