JP2012506226A - 無線通信システムにおける信号送信方法及び装置 - Google Patents
無線通信システムにおける信号送信方法及び装置 Download PDFInfo
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
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- 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
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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Abstract
【解決手段】前記方法は、一態様において、無線通信システムにおける参照信号送信方法は、参照信号シーケンスを生成する段階、前記参照信号シーケンスを複数のサブブロックの各々に対して分割する段階、前記複数の分割された参照信号シーケンスの各々を循環シフトする段階、及び前記複数の循環シフトされた参照信号を前記複数のサブブロックを介して送信する段階、を含む。
【選択図】図21
Description
(1)高い検出性能を提供するための良い相関特性。
(2)パワーアンプ(Power amplifier)の効率を高めるための低いPAPR(Peak−to−Average Power Ratio)/CM(cubic metric)。
(3)多様な情報送信またはセル計画の容易性のためのシーケンスの高い容量(capacity)。
(項目1)
無線通信システムにおける参照信号送信方法において、
参照信号シーケンスを生成する段階;
前記参照信号シーケンスを複数のサブブロックの各々に対して分割する段階;
前記複数の分割された参照信号シーケンスの各々を循環シフトする段階;及び、
前記複数の循環シフトされた参照信号を前記複数のサブブロックを介して送信する段階;
を含む方法。
(項目2)
複数のサブブロックの各々は、複数の副搬送波を含むことを特徴とする項目1に記載の方法。
(項目3)
前記循環シフトは、時間領域または周波数領域で実行されることを特徴とする項目1に記載の方法。
(項目4)
前記無線通信システムは、多重搬送波システムであり、複数のサブブロックの各々は、一つの搬送波に対応されることを特徴とする項目1に記載の方法。
(項目5)
前記複数の分割された参照信号シーケンスの各々は、相違の循環シフト量ほど循環シフトされることを特徴とする項目1に記載の方法。
(項目6)
前記参照信号シーケンスは、アップリンク参照信号に使われることを特徴とする項目1に記載の方法。
(項目7)
複数のシーケンスを送信する送信部;及び、
前記送信部と連結され、前記複数のシーケンスを生成するプロセッサ;を含み、
前記プロセッサは、
基本シーケンスを生成し、
前記基本シーケンスを複数のサブブロックの各々に対して分割し、及び
前記複数の分割された参照信号シーケンスの各々を循環シフトし、前記複数のシーケンスを生成する送信機。
Claims (7)
- 無線通信システムにおける参照信号送信方法において、
参照信号シーケンスを生成する段階;
前記参照信号シーケンスを複数のサブブロックの各々に対して分割する段階;
前記複数の分割された参照信号シーケンスの各々を循環シフトする段階;及び、
前記複数の循環シフトされた参照信号を前記複数のサブブロックを介して送信する段階;
を含む方法。 - 複数のサブブロックの各々は、複数の副搬送波を含むことを特徴とする請求項1に記載の方法。
- 前記循環シフトは、時間領域または周波数領域で実行されることを特徴とする請求項1に記載の方法。
- 前記無線通信システムは、多重搬送波システムであり、複数のサブブロックの各々は、一つの搬送波に対応されることを特徴とする請求項1に記載の方法。
- 前記複数の分割された参照信号シーケンスの各々は、相違の循環シフト量ほど循環シフトされることを特徴とする請求項1に記載の方法。
- 前記参照信号シーケンスは、アップリンク参照信号に使われることを特徴とする請求項1に記載の方法。
- 複数のシーケンスを送信する送信部;及び、
前記送信部と連結され、前記複数のシーケンスを生成するプロセッサ;を含み、
前記プロセッサは、
基本シーケンスを生成し、
前記基本シーケンスを複数のサブブロックの各々に対して分割し、及び
前記複数の分割された参照信号シーケンスの各々を循環シフトし、前記複数のシーケンスを生成する送信機。
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KR10-2009-0073596 | 2009-08-11 | ||
PCT/KR2009/006051 WO2010047512A2 (ko) | 2008-10-22 | 2009-10-20 | 무선통신 시스템에서 신호 전송 방법 및 장치 |
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Also Published As
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US20170019280A1 (en) | 2017-01-19 |
KR101581956B1 (ko) | 2016-01-04 |
JP6046199B2 (ja) | 2016-12-14 |
US9860100B2 (en) | 2018-01-02 |
US10389566B2 (en) | 2019-08-20 |
WO2010047512A3 (ko) | 2010-07-29 |
JP2014057328A (ja) | 2014-03-27 |
JP2015173456A (ja) | 2015-10-01 |
KR20100044687A (ko) | 2010-04-30 |
JP5438122B2 (ja) | 2014-03-12 |
WO2010047512A2 (ko) | 2010-04-29 |
US20180069738A1 (en) | 2018-03-08 |
US9491020B2 (en) | 2016-11-08 |
US20110200002A1 (en) | 2011-08-18 |
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