JP2012507241A - 無線移動通信システムで制御情報を伝送する方法 - Google Patents
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- H04L5/00—Arrangements affording multiple use of the transmission path
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
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Abstract
Description
本発明は、例えば以下の項目を提供する。
(項目1)
複数のアップリンク搬送波を使用する無線移動通信システムにおいて端末で制御情報を伝送する方法であって、
第1アップリンク制御チャネルに割り当てられる第1制御情報及び第2アップリンク制御チャネルに割り当てられる第2制御情報を多重化する段階と、
前記多重化された第1制御情報及び第2制御情報を、前記複数のアップリンク搬送波のうちのいずれか一つに割り当てられているアップリンクチャネルを通じて伝送する段階と、
を含む、制御情報伝送方法。
(項目2)
前記端末は、1個以上のSC−FDMA(Single Carrier−Frequency Division Multiple Access)信号または群集化したSC−FDMA(Clustered SC−FDMA)を使用する、項目1に記載の制御情報伝送方法。
(項目3)
前記アップリンクチャネルは、アップリンク制御チャネルである、項目1に記載の制御情報伝送方法。
(項目4)
前記アップリンクチャネルは、前記第1アップリンク制御チャネルである、項目1に記載の制御情報伝送方法。
(項目5)
前記多重化する段階は、前記第1制御情報を表す1つ以上のビット及び前記第2制御情報を表す1つ以上のビットを順次に配列して生成されるビット列を、該生成されたビット列の長さに対応する変調等級(modulation order)に合わせて変調する段階を含む、項目3に記載の制御情報伝送方法。
(項目6)
前記生成されたビット列が2ビットである場合、前記生成されたビット列の長さに対応する変調等級はQPSKであり、前記生成されたビット列が3ビットである場合、前記生成されたビット列の長さに対応する変調等級は8PSKであり、前記生成されたビット列が4ビットである場合、前記生成されたビット列の長さに対応する変調等級は16QAMである、項目5に記載の制御情報伝送方法。
(項目7)
前記第1制御情報の伝播誤り率(propagation error rate)が前記第2制御情報の伝播誤り率よりも低いことが要求される場合、前記生成されるビット列のうち、伝播誤りに強いビットには、前記第1制御情報が配置される、項目5に記載の制御情報伝送方法。
(項目8)
前記伝播誤りに強いビットは、前記生成されるビット列のMSB(Most Significant Bit)である、項目7に記載の制御情報伝送方法。
(項目9)
前記アップリンク制御チャネルは、複数個のサブセットで構成され、前記それぞれのサブセットは、それぞれ1つ以上のSC−FDMAシンボルで構成され、
前記第1制御情報は、前記複数個のサブセットのうちの第1サブセットにマッピング(mapping)され、前記第2制御情報は、前記複数個のサブセットのうちの第2サブセットにマッピングされる、項目3に記載の制御情報伝送方法。
(項目10)
前記第1制御情報の誤り率が前記第2制御情報の誤り率よりも低いことが要求される場合、前記第1サブセットに割り当てられたパイロット(pilot)信号の個数が、前記第2サブセットに割り当てられたパイロット信号の個数よりも大きい、項目9に記載の制御情報伝送方法。
(項目11)
前記第1制御情報及び前記第2制御情報はそれぞれ、ACK、NACK、SR、CQIのうちの1つ以上を含む、項目1に記載の制御情報伝送方法。
(項目12)
前記第1アップリンク制御チャネル及び前記第2アップリンク制御チャネルはそれぞれ異なるアップリンク搬送波に割り当てられている、項目1に記載の制御情報伝送方法。
(項目13)
前記第1アップリンク制御チャネル及び前記第2アップリンク制御チャネルは、同一のアップリンク搬送波に割り当てられている、項目1に記載の制御情報伝送方法。
Claims (13)
- 複数のアップリンク搬送波を使用する無線移動通信システムにおいて端末で制御情報を伝送する方法であって、
第1アップリンク制御チャネルに割り当てられる第1制御情報及び第2アップリンク制御チャネルに割り当てられる第2制御情報を多重化する段階と、
前記多重化された第1制御情報及び第2制御情報を、前記複数のアップリンク搬送波のうちのいずれか一つに割り当てられているアップリンクチャネルを通じて伝送する段階と、
を含む、制御情報伝送方法。 - 前記端末は、1個以上のSC−FDMA(Single Carrier−Frequency Division Multiple Access)信号または群集化したSC−FDMA(Clustered SC−FDMA)を使用する、請求項1に記載の制御情報伝送方法。
- 前記アップリンクチャネルは、アップリンク制御チャネルである、請求項1に記載の制御情報伝送方法。
- 前記アップリンクチャネルは、前記第1アップリンク制御チャネルである、請求項1に記載の制御情報伝送方法。
- 前記多重化する段階は、前記第1制御情報を表す1つ以上のビット及び前記第2制御情報を表す1つ以上のビットを順次に配列して生成されるビット列を、該生成されたビット列の長さに対応する変調等級(modulation order)に合わせて変調する段階を含む、請求項3に記載の制御情報伝送方法。
- 前記生成されたビット列が2ビットである場合、前記生成されたビット列の長さに対応する変調等級はQPSKであり、前記生成されたビット列が3ビットである場合、前記生成されたビット列の長さに対応する変調等級は8PSKであり、前記生成されたビット列が4ビットである場合、前記生成されたビット列の長さに対応する変調等級は16QAMである、請求項5に記載の制御情報伝送方法。
- 前記第1制御情報の伝播誤り率(propagation error rate)が前記第2制御情報の伝播誤り率よりも低いことが要求される場合、前記生成されるビット列のうち、伝播誤りに強いビットには、前記第1制御情報が配置される、請求項5に記載の制御情報伝送方法。
- 前記伝播誤りに強いビットは、前記生成されるビット列のMSB(Most Significant Bit)である、請求項7に記載の制御情報伝送方法。
- 前記アップリンク制御チャネルは、複数個のサブセットで構成され、前記それぞれのサブセットは、それぞれ1つ以上のSC−FDMAシンボルで構成され、
前記第1制御情報は、前記複数個のサブセットのうちの第1サブセットにマッピング(mapping)され、前記第2制御情報は、前記複数個のサブセットのうちの第2サブセットにマッピングされる、請求項3に記載の制御情報伝送方法。 - 前記第1制御情報の誤り率が前記第2制御情報の誤り率よりも低いことが要求される場合、前記第1サブセットに割り当てられたパイロット(pilot)信号の個数が、前記第2サブセットに割り当てられたパイロット信号の個数よりも大きい、請求項9に記載の制御情報伝送方法。
- 前記第1制御情報及び前記第2制御情報はそれぞれ、ACK、NACK、SR、CQIのうちの1つ以上を含む、請求項1に記載の制御情報伝送方法。
- 前記第1アップリンク制御チャネル及び前記第2アップリンク制御チャネルはそれぞれ異なるアップリンク搬送波に割り当てられている、請求項1に記載の制御情報伝送方法。
- 前記第1アップリンク制御チャネル及び前記第2アップリンク制御チャネルは、同一のアップリンク搬送波に割り当てられている、請求項1に記載の制御情報伝送方法。
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KR1020090048497A KR101065706B1 (ko) | 2008-11-23 | 2009-06-02 | 무선 이동 통신 시스템에서 제어 정보를 전송하는 방법 |
KR10-2009-0048497 | 2009-06-02 | ||
PCT/KR2009/006829 WO2010058979A2 (ko) | 2008-11-23 | 2009-11-19 | 무선 이동 통신 시스템에서 제어 정보를 전송하는 방법 |
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JP2014209806A (ja) * | 2009-06-19 | 2014-11-06 | インターデイジタル パテント ホールディングス インコーポレイテッド | Lte−aにおけるアップリンク制御情報のシグナリング |
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JP2019500802A (ja) * | 2015-12-25 | 2019-01-10 | 華為技術有限公司Huawei Technologies Co.,Ltd. | アップリンク・トラフィック・リソース・スケジューリングの方法、デバイス、およびシステム |
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KR20100058399A (ko) | 2010-06-03 |
EP2348658A2 (en) | 2011-07-27 |
KR101065706B1 (ko) | 2011-09-19 |
CN102224698A (zh) | 2011-10-19 |
WO2010058979A2 (ko) | 2010-05-27 |
US20110274099A1 (en) | 2011-11-10 |
EP2466773A2 (en) | 2012-06-20 |
EP2348658B1 (en) | 2020-03-18 |
KR20110074499A (ko) | 2011-06-30 |
EP2348658A4 (en) | 2014-12-10 |
WO2010058979A3 (ko) | 2010-08-19 |
CN102224698B (zh) | 2014-12-10 |
KR101227523B1 (ko) | 2013-01-31 |
EP2466773A3 (en) | 2014-12-10 |
US8989169B2 (en) | 2015-03-24 |
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