JP2017153109A - 移動局、基地局及び通信方法 - Google Patents
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Abstract
【解決手段】拡散部(214)は、ZC系列を用いて、判定部(208)から入力されるACK/NACK信号を拡散し、拡散部(219)は、循環シフトZC系列を用いてCQI信号を拡散し、拡散部(216)は、ZC系列を用いて拡散されたACK/NACK信号をさらにWalsh系列を用いて拡散し、制御部(209)は、複数の移動局からのCQI信号とACK/NACK信号との循環シフト量の差の最小値が、複数の移動局からのACK/NACK信号間の循環シフト量の差の最小値以上となるように、拡散部(214)、拡散部(216)、および拡散部(219)を制御する。
【選択図】図9
Description
本発明の実施の形態1に係る基地局100の構成を図8に示し、本発明の実施の形態1に係る移動局200の構成を図9に示す。
本発明の実施の形態2に係る基地局及び移動局は、実施の形態1に係る基地局(図8の基地局100参照)及び移動局(図9の移動局200参照)と同様な構成を有しており、制御チャネル割当部(図8に示した制御チャネル割当部102)の一部の処理のみにおいて相違する。
本発明の実施の形態3においては、各移動局用のPUCCH間の循環シフト間隔が3以上である場合の制御チャネル割当について説明する。
Claims (4)
- 複数の循環シフト量の内のいずれか1つで定義される系列を用いて、ACK/NACK信号又はCQI信号を拡散するプロセッサと、
前記ACK/NACK信号又は前記CQI信号を送信する送信機と、を有し、
前記プロセッサは、前記ACK/NACK信号又は前記CQI信号を構成するシンボル毎に、前記ACK/NACK信号に対しては、前記複数の循環シフト量の一部である、互いに隣接する循環シフト量の第1のセットの内のいずれか1つを用い、前記CQI信号に対しては、前記一部以外の循環シフト量の第2のセットのいずれか1つを用い、
前記循環シフト量の前記第1のセット、及び、前記循環シフト量の前記第2のセットは、前記ACK/NACK信号又は前記CQI信号と、他のACK/NACK信号又は他のCQI信号との間の符号間干渉を抑えるために設定され、前記他のACK/NACK信号又前記他のCQI信号は、他の移動局によって送信され、基地局で受信される信号において前記ACK/NACK信号とコード多重されている、
移動局。 - 移動局における通信方法であって、
複数の循環シフト量の内のいずれか1つで定義される系列を用いて、ACK/NACK信号又はCQI信号を拡散する拡散工程と、
前記ACK/NACK信号又は前記CQI信号を送信する送信工程と、を有し、
前記拡散工程は、前記ACK/NACK信号又は前記CQI信号を構成するシンボル毎に、前記ACK/NACK信号に対しては、前記複数の循環シフト量の一部である、互いに隣接する循環シフト量の第1のセットの内のいずれか1つを用い、前記CQI信号に対しては、前記一部以外の循環シフト量の第2のセットのいずれか1つを用い、
前記循環シフト量の前記第1のセット、及び、前記循環シフト量の前記第2のセットは、前記ACK/NACK信号又は前記CQI信号と、他のACK/NACK信号又は他のCQI信号との間の符号間干渉を抑えるために設定され、前記他のACK/NACK信号又前記他のCQI信号は、他の移動局によって送信され、基地局で受信される信号において前記ACK/NACK信号とコード多重されている、
通信方法。 - 特定の移動局から送信されたACK/NACK信号及び他の移動局から送信されたCQI信号を含む、コード多重された上りリンク信号を受信する受信機と、
前記ACK/NACK信号及び前記CQI信号を逆拡散するプロセッサと、を有し、
前記ACK/NACK信号は、複数の循環シフト量の一部である、互いに隣接する循環シフト量の第1のセットの内のいずれか1つを用いて拡散されていて、
前記CQI信号は、前記複数の循環シフト量のうち前記一部以外の循環シフト量の第2のセットのいずれか1つを用いて拡散されていて、
前記循環シフト量の前記第1のセット、及び、前記循環シフト量の前記第2のセットは、前記特定の移動局からの前記ACK/NACK信号と、前記他の移動局からの前記CQI信号との間の符号間干渉を抑えるために設定される、
基地局。 - 基地局における通信方法であって、
特定の移動局から送信されたACK/NACK信号及び他の移動局から送信されたCQI信号を含む、コード多重された上りリンク信号を受信する受信工程と、
プロセッサによって前記ACK/NACK信号及び前記CQI信号を逆拡散する逆拡散工程と、を有し、
前記ACK/NACK信号は、複数の循環シフト量の一部である、互いに隣接する循環シフト量の第1のセットの内のいずれか1つを用いて拡散されていて、
前記CQI信号は、前記複数の循環シフト量のうち前記一部以外の循環シフト量の第2のセットのいずれか1つを用いて拡散されていて、
前記循環シフト量の前記第1のセット、及び、前記循環シフト量の前記第2のセットは、前記特定の移動局からの前記ACK/NACK信号と、前記他の移動局からの前記CQI信号との間の符号間干渉を抑えるために設定される、
通信方法。
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JP2012259980A Active JP5425295B2 (ja) | 2007-08-13 | 2012-11-28 | 基地局装置及び受信方法 |
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JP2014240254A Pending JP2015084538A (ja) | 2007-08-13 | 2014-11-27 | 無線通信装置及び信号拡散方法 |
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KR (2) | KR101424066B1 (ja) |
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US7965760B2 (en) * | 2007-08-13 | 2011-06-21 | Panasonic Corporation | Radio communication device and response signal diffusion method |
US9065646B2 (en) * | 2008-02-04 | 2015-06-23 | Nokia Solutions And Networks Oy | ACK/NACK channelization for resource blocks containing both ACK/NACK and CQI |
CN102282817B (zh) | 2008-08-19 | 2014-07-02 | 韩国电子通信研究院 | 用于接收和发送应答/无应答信息的方法 |
CN102362536B (zh) * | 2009-04-27 | 2013-06-05 | 华为技术有限公司 | 物理上行控制信息的接收方法、基站和中继设备 |
EP2487852B1 (en) * | 2009-10-08 | 2018-08-08 | LG Electronics Inc. | Method and apparatus for transmitting an uplink control signal in a wireless communication system |
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