JP5657006B2 - 中継バックホールアップリンクのharqプロトコル - Google Patents
中継バックホールアップリンクのharqプロトコル Download PDFInfo
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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)
Description
- 物理ダウンリンク共有チャネル(PDSCH)
- 物理ダウンリンク制御チャネル(PDCCH)
- 物理ブロードキャストチャネル(PBCH)
- 物理マルチキャストチャネル(PMCH)
- 物理制御フォーマット指示チャネル(PCFICH)
- 物理HARQ指示チャネル(PHICH)
- 物理アップリンク共有チャネル(PUSCH)
- 物理アップリンク制御チャネル(PUCCH)
- 物理ランダムアクセスチャネル(PRACH)
- アップリンクのデータ送信に対応するダウンリンクの確認応答(肯定:ACK、否定:NAK)を運ぶために使用される、物理ハイブリッド自動再送要求指示チャネル(PHICH)、及び
- ダウンリンクのスケジューリング割当てとアップリンクのスケジューリンググラントを運ぶ、物理ダウンリンク制御チャネル(PDCCH)。
- 各セルがそれ自身の物理的セルID(LTEリリース8で定義された)をもつものとし、中継ノードはそれ自身の同期チャネル、参照シンボル、等を送信するものとする。
- 単一セル動作のコンテクストでは、UEはスケジューリング情報とHARQフィードバックを中継ノードから直接受信し、その制御チャネル(SR/CQI/ACK)を中継ノードへ送信するものとする。
- 後方互換性を提供するために、中継ノードはリリース8のUEにはリリース8のeNBとして見えるものとする。
- さらなる性能向上を考慮に入れるために、タイプ1の中継ノードはLTEアドバンストのUEにはリリース8のeNBとは異なって見えるものとする。
Claims (13)
- 通信のためのフレームにおいて、中継ノードからネットワークノードへのデータの送信に使用可能な複数のサブフレームを特定するステップと、
前記特定された複数のサブフレームに基づいて、ハイブリッド自動再送要求(HARQ)の処理単位であるHARQプロセスの個数を複数の選択肢から選択し、前記HARQプロセスの個数によって同一のHARQプロセスの送信間隔である往復時間が異なる、ステップと、
前記特定された複数のサブフレームに対して、前記選択された個数のHARQプロセスを順にマッピングするステップと、
前記選択された個数のHARQプロセスがマッピングされた複数のサブフレームを含むフレームを送信するステップと、
を備える再送要求方法。 - 前記HARQプロセスの個数の選択は、同一のHARQプロセスの送信間隔である往復時間が、システムの最小往復時間よりも大きくなるHARQプロセスの個数の中から、最小の数が選択されるように行われる、
請求項1に記載の再送要求方法。 - 前記HARQプロセスの個数は、前記ネットワークノードから前記中継ノードへ送信されるインジケータによって示される、
請求項1に記載の再送要求方法。 - 前記インジケータはバックホールダウンリンクサブフレーム構成内で送信される、
請求項3に記載の再送要求方法。 - 前記バックホールダウンリンクサブフレームの4サブフレーム後の位置に、前記バックホールダウンリンクサブフレームに対応するバックホールアップリンクサブフレームが配置される、
請求項4に記載の再送要求方法。 - 前記HARQは、前記中継ノードから前記ネットワークノードに対するアップリンクの再送要求である、
請求項1から5のいずれか一項に記載の再送要求方法。 - 通信のためのフレームにおいて、中継ノードからネットワークノードへのデータの送信に使用可能な複数のサブフレームを特定する特定部と、
前記特定された複数のサブフレームに基づいて、ハイブリッド自動再送要求(HARQ)の処理単位であるHARQプロセスの個数を複数の選択肢から選択し、前記HARQプロセスの個数によって同一のHARQプロセスの送信間隔である往復時間が異なる、選択部と、
前記特定された複数のサブフレームに対して、前記選択された個数のHARQプロセスを順にマッピングするマッピング部と、
前記選択された個数のHARQプロセスがマッピングされた複数のサブフレームを含むフレームを送信する送信部と、
を備える再送要求装置。 - 前記選択部は、前記HARQプロセスの個数として、同一のHARQプロセスの送信間隔である往復時間が、システムの最小往復時間よりも大きくなるHARQプロセスの個数の中から、最小の数を選択する、
請求項7に記載の再送要求装置。 - 前記HARQプロセスの個数は、前記ネットワークノードから前記中継ノードへ送信されるインジケータによって示される、
請求項7に記載の再送要求装置。 - 前記インジケータはバックホールダウンリンクサブフレーム構成内で送信される、
請求項9に記載の再送要求装置。 - 前記バックホールダウンリンクサブフレームの4サブフレーム後の位置に、前記バックホールダウンリンクサブフレームに対応するバックホールアップリンクサブフレームが配置される、
請求項10に記載の再送要求装置。 - 前記HARQは、前記中継ノードから前記ネットワークノードに対するアップリンクの再送要求である、
請求項7から11のいずれか一項に記載の再送要求装置。 - 通信のためのフレームにおいて、中継ノードからネットワークノードへのデータの送信に使用可能な複数のサブフレームを特定する処理と、
前記特定された複数のサブフレームに基づいて、ハイブリッド自動再送要求(HARQ)の処理単位であるHARQプロセスの個数を複数の選択肢から選択し、前記HARQプロセスの個数によって同一のHARQプロセスの送信間隔である往復時間が異なる、処理と、
前記特定された複数のサブフレームに対して、前記選択された個数のHARQプロセスを順にマッピングする処理と、
前記選択された個数のHARQプロセスがマッピングされた複数のサブフレームを含むフレームを送信する処理と、
を制御する集積回路。
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EP09172075.5 | 2009-10-02 | ||
EP09172075A EP2306665A1 (en) | 2009-10-02 | 2009-10-02 | Relay backhaul uplink HARQ protocol |
PCT/EP2010/004795 WO2011038801A2 (en) | 2009-10-02 | 2010-08-04 | Relay backhaul uplink harq protocol |
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JP (2) | JP5657006B2 (ja) |
KR (2) | KR101830990B1 (ja) |
CN (1) | CN102648598B (ja) |
AU (1) | AU2010301594B2 (ja) |
BR (1) | BR112012007094B1 (ja) |
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US20100316150A1 (en) * | 2009-06-05 | 2010-12-16 | Broadcom Corporation | Mixed mode operations within multiple user, multiple access, and/or MIMO wireless communications |
US9014082B2 (en) * | 2009-06-25 | 2015-04-21 | Lg Electronics Inc. | Method and device for signal transmission on a wireless communications system |
CN102792746B (zh) * | 2010-03-12 | 2016-01-20 | 富士通株式会社 | 通信区间设定方法、中继站、移动站、移动通信系统 |
CN103039031B (zh) * | 2010-06-09 | 2016-02-03 | Lg电子株式会社 | 执行harq处理的方法和使用该方法的装置 |
US8797896B2 (en) * | 2010-08-25 | 2014-08-05 | Futurewei Technologies, Inc. | System and method for assigning backhaul resources |
KR101264488B1 (ko) * | 2010-10-29 | 2013-05-14 | 에릭슨 엘지 주식회사 | 주기성을 갖는 상향신호 전송 방법 및 그를 위한 릴레이 시스템 |
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