JP2017011751A - 無線通信システムにおいて受信確認応答送信方法及び装置 - Google Patents
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- 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
- H04L1/12—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
- H04L1/1621—Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers
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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
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- 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
- H04L1/12—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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
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- 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
- H04L1/12—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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1861—Physical mapping arrangements
-
- 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
- H04L1/12—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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1864—ARQ related signaling
-
- 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
- H04L1/12—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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1893—Physical mapping arrangements
-
- 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
- H04L1/12—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
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1896—ARQ related signaling
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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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
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Abstract
Description
以下の実施例は、本発明の構成要素及び特徴を所定の形態で結合したものである。各構成要素又は特徴は、別に明示しない限り、選択的なものとして考慮されてもよい。各構成要素又は特徴は、他の構成要素や特徴と結合しない形態で実施されることもあり。また、一部の構成要素及び/又は特徴は結合されて本発明の実施例を構成することもある。本発明の実施例で説明される動作の順序は変更されてもよい。ある実施例の一部の構成や特徴は、他の実施例に含まれてもよく、他の実施例の対応する構成又は特徴に代えてもよい。
i)PUSCH及びPUCCHを通じて送信された情報のコヒーレント(coherent)な復調のためのチャネル推定のための復調参照信号(DeModulation−Reference Signal、DM−RS)、
ii)基地局がネットワークの異なる周波数における上りリンクチャネル品質を測定するためのサウンディング参照信号(Sounding Reference Signal、SRS)がある。
i)セル内の全ての端末が共有するセル−特定参照信号(Cell−specific Reference Signal、CRS)、
ii)特定端末のみのための端末−特定参照信号(UE−specific Reference Signal)、
iii)PDSCHが送信される場合、コヒーレントな復調のために送信される(DeModulation−Reference Signal、DM−RS)、
iv)下りリンクDMRSが送信される場合、チャネル状態情報(Channel State Information;CSI)を伝達するためのチャネル状態情報参照信号(Channel State Information−Reference Signal、CSI−RS)、
v)MBSFN(Multimedia Broadcast Single Frequency Network)モードで送信される信号に対するコヒーレントな復調のために送信されるMBSFN参照信号(MBSFN Reference Signal)、
vi)端末の地理的位置情報を推定するために用いられる位置参照信号(Positioning Reference Signal)がある。
上りリンクサブフレームで2個以上のサブフレームに関連した受信確認応答を送信しなければならない場合(M>1)、AROとして可能な値の集合は、ARO値として式3のようなARO値を含む。
ここで、mは2個以上のサブフレームのインデックス(前述した順次的インデックス)を、NeCCE,i、jはEPDCCH−PRB−セットjでi番目サブフレームのECCE個数を意味する。
Claims (5)
- 無線通信システムにおいて端末が受信確認応答を送信する方法であって、
EPDCCH(Enhanced Physical Downlink Control CHannel)を受信し、
前記EPDCCHを構成するECCE(Enhanced Control Channel Element)インデックスのうちの最低のECCEインデックス及びARO(HARQ−ACK resource offset)に基づいて、PUCCH(Physical Uplink Control CHannel)リソースを決定し、
前記PUCCHリソースを通じて受信確認応答を送信すること、
を含み、
前記受信確認応答を送信するサブフレームで2個以上のサブフレームに関連した受信確認応答が送信される場合、前記AROとして可能な値の集合は、
- 前記AROとして可能な値の集合は、
- 前記受信確認応答を送信するサブフレームで1個のサブフレームに関連した受信確認応答が送信される場合、前記AROとして可能な値の集合は、{−2、−1,0,2}である、請求項1に記載の受信確認応答送信方法。
- 前記AROは、前記EPDCCHを通じて送信される下りリンク制御情報(Downlink Control Informaton、DCI)で示される、請求項1に記載の受信確認応答送信方法。
- 無線通信システムにおいて受信確認応答を送信する端末装置であって、
受信モジュールと、
プロセッサと、を備え、
前記プロセッサは、EPDCCH(Enhanced Physical Downlink Control CHannel)を受信し、前記EPDCCHを構成するECCE(Enhanced Control Channel Element)インデックスのうちの最低のECCEインデックス及びARO(HARQ−ACK resource offset)に基づいて、PUCCH(Physical Uplink Control CHannel)リソースを決定し、前記PUCCHリソースを通じて受信確認応答を送信し、
前記受信確認応答を送信するサブフレームで2個以上のサブフレームに関連した受信確認応答が送信される場合、前記AROとして可能な値の集合は、
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KR (1) | KR102214071B1 (ja) |
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WO2014119944A1 (ko) | 2014-08-07 |
EP2953287B1 (en) | 2019-12-04 |
US20170150495A1 (en) | 2017-05-25 |
KR102214071B1 (ko) | 2021-02-09 |
CN108494531A (zh) | 2018-09-04 |
KR20150140637A (ko) | 2015-12-16 |
EP2953287A1 (en) | 2015-12-09 |
CN104737484B (zh) | 2018-03-23 |
CN108494531B (zh) | 2021-07-13 |
JP6006881B2 (ja) | 2016-10-12 |
EP2953287A4 (en) | 2016-09-21 |
US20150215081A1 (en) | 2015-07-30 |
US9608790B2 (en) | 2017-03-28 |
JP2015536089A (ja) | 2015-12-17 |
US9900870B2 (en) | 2018-02-20 |
JP6272969B2 (ja) | 2018-01-31 |
US20160020884A1 (en) | 2016-01-21 |
US9401795B2 (en) | 2016-07-26 |
CN104737484A (zh) | 2015-06-24 |
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