JP2015532822A - 無線通信の半永続的スケジューリングのためのシステム及び方法 - Google Patents
無線通信の半永続的スケジューリングのためのシステム及び方法 Download PDFInfo
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- H—ELECTRICITY
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- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
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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
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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
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
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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
- H04L5/0048—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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
Description
・PDSCH REマッピングのためのCRS周波数シフト
・PDSCH REマッピングのためのMBSFN(Multi−Broadcast Single Frequency Network)サブフレーム構成
・PDSCH REマッピングのためのゼロ電力CSI−RS(channel state information−reference signal)リソース
・PDSCH REマッピングのためのPDSCH開始位置
・PDSCH REマッピングのためのCSI−RSリソース構成同一性
所与のサービングセルに対してTM10で構成されたUE102は、UE及び所与のサービングセルを対象としたDCIフォーマット1Aを有する検出されたPDCCH/EPDCCHに従ってPDSCHを復号化するために、PDSCH REマッピング及び地理的に同一なPDSCHアンテナポートを決定する上位レイヤシグナリングにより、表2の4個のパラメータセットから選択されたパラメータセットにより構成され得る。UE102は、構成されたパラメータセットを用いて、DCIフォーマット1Aを有する検出されたPDCCH/EPDCCHに対応するPDSCH、及びDCIフォーマット1Aを有するPDCCH/EPDCCHの中で示されたSPS有効化に関連する対応するPDCCHを有しないPDSCHを復号化するために、PDSCH REマッピング及び地理的に同一なPDSCHアンテナポートを決定しても良い。
本開示は、SPS PDSCH送信(つまり、PDCCHを有しないPDSCH)のためのDM−RSの使用方法を提供する。留意すべきことに、用語「PDCCH」は、ここでは、レガシーPDCCH又はEPDCCHを包含する。
サブフレーム内に対応するPDCCH/EPDCCHを有しないPDSCHでは、
サブフレーム内に対応するPDCCH/EPDCCHを有しないPDSCHでは、
サブフレーム内に対応するPDCCH/EPDCCHを有しないPDSCHでは、
eNBは、(SPS開始を含む)全てのSPS送信について独立に{nSCID}又は{nSCID及び/又は
以下の例は、更なる実施形態に関連する。
Claims (20)
- 第1のサブフレーム内で、SPS(semi−persistent scheduling)開始に対応するPDCCH/EPDCCH(physical downlink control channel又はenhanced physical downlink control channel)を受信し、前記PDCCH/EPDCCHはnSCIDの値を伝達し、
前記SPS開始に基づき、第2のサブフレーム内のダウンリンク(DL)割り当てを構成し、
前記第2のサブフレーム内で、対応するPDCCH/EPDCCHを有しないPDSCH(SPS physical downlink shared channel)を受信し、
関連するSPS開始に対応する前記PDCCH/EPDCCHから得た前記nSCIDの値を用いて、前記SPS PDSCHに対応する参照信号シーケンスを決定し、
前記関連するSPS開始に対応する前記PDCCH/EPDCCHから得た前記nSCIDの値を用いて決定された前記参照信号シーケンスに基づき、前記SPS PDSCHを処理する、
よう構成されるユーザ機器(UE)。 - 前記UEは、CoMP(coordinated multipoint)送信又は受信のためのTM10(transmission mode 10)のために構成され、前記PDSCH及び前記関連するSPS開始に対応する前記PDCCH/EPDCCHのうちの1又は複数は、CoMP送信を有する、請求項1に記載のUE。
- 前記UEは、DCI(downlink control information)フォーマットを監視するよう更に構成され、前記nSCIDの値は、DCIフォーマット2Dに従って伝達される、請求項1に記載のUE。
- 前記関連するSPS開始に対応する前記PDCCH/EPDCCHは、PDSCHリソースエレメント(resource element:RE)マッピング及び地理的同一指示子(PQI)の値を更に伝達し、前記UEは、前記PQIの値により示される送信パラメータセットに基づき、前記SPS PDSCHを処理するよう更に構成される、請求項1に記載のUE。
- 前記UEは、PDSCHリソースエレメント(resource element:RE)マッピング及び地理的同一指示子(PQI)の値により示される送信パラメータセットに基づき前記SPS PDSCHを処理するよう更に構成され、前記PQIの値は、RRCレイヤシグナリングに基づき構成される、請求項1に記載のUE。
- ユーザ機器(UE)であって、
SPS(semi−persistent scheduling)開始PDCCH/EPDCCH(physical downlink control channel又はenhanced physical downlink control channel)送信を受信するよう構成される通信機コンポーネントであって、前記SPS開始PDCCH/EPDCCH送信はPDSCHリソースエレメント(resource element:RE)マッピング及び地理的同一指示子(PQI)の値を伝達する、通信機コンポーネントと、
SPS PDSCH送信の受信をスケジューリングするよう構成されるスケジューリングコンポーネントであって、前記SPS PDSCH送信は対応するPDCCH/EPDCCH送信を有しないPDSCH送信を有する、スケジューリングコンポーネントと、
SPS開始に対応する前記PQIの値に基づき、前記SPS PDSCH送信を処理するよう構成される信号処理コンポーネントであって、前記SPS PDSCHは前記通信機コンポーネントにより受信され、前記UEはTM10(transmission mode 10)のために構成される、信号処理コンポーネントと、
を有するUE。 - TM10は、CoMP(coordinated multipoint)送信又は受信のために構成され、前記SPS PDSCH及び前記SPS開始PDCCH/EPDCCHのうちの1又は複数はCoMP送信を有する、請求項8に記載のUE。
- 前記UEは、DCI(downlink control information)フォーマットを監視するよう更に構成され、前記PQIの値は、DCIフォーマット2Dに従って伝達される、請求項8に記載のUE。
- 前記SPS開始PDCCH/EPDCCHは、スクランブリング同一性の値を更に伝達し、前記信号処理コンポーネントは、前記スクランブリング同一性の値を用いて開始される参照信号シーケンスに基づき前記SPS PDSCHを処理する、請求項8に記載のUE。
- スクランブリング同一性及び仮想セル同一性に基づき参照信号シーケンスを決定する参照信号コンポーネントを更に有し、RRC(radio resource configuration)レイヤシグナリングを用いて前記スクランブリング同一性及び前記仮想セル同一性のうちの1又は複数を構成するよう構成されるRRCコンポーネントを更に有する、請求項8に記載のUE。
- CoMP(coordinated multi−point)送信のためにユーザ機器(UE)を構成し、
第1のサブフレーム内で、SPS(semi−persistent scheduling)開始制御チャネル信号を送信し、前記SPS開始制御チャネル信号は、前記UEが前記第1のサブフレーム内の信号を受信するためのDCI(downlink control information)を伝達し、
前記SPS開始制御チャネル信号に対応する前記DCIに基づき、対応する制御チャネル信号を有しない共有データチャネル信号を送信し、前記共有データチャネル信号は第2のサブフレーム内で送信される、
よう構成されるeNB(E−UTRAN(evolved universal terrestrial radio access network)node B)。 - 前記DCIは、スクランブリング同一性(nSCID)及びPDSCH(physical downlink shared channel)リソースエレメント(resource element:RE)マッピング及びフォーマット2Dに基づく地理的同一指示子(PQI)のうちの1又は複数を伝達し、前記共有データチャネル信号は、前記nSCID及び前記PQIのうちの1又は複数に基づき送信される、請求項13に記載のUE。
- 制御チャネルに対応する制御通信を有しない共有チャネルでスケジューリングされた通信を受信するよう構成される通信機コンポーネントであって、前記スケジューリングされた通信は、協調マルチポイント(coordinated multipoint)送信を有する、通信機コンポーネントと、
スクランブリング同一性に基づき疑似ランダムシーケンスを初期化するよう構成される初期化コンポーネントであって、前記スクランブリング同一性は、所定の固定値を有する、初期化コンポーネントと、
前記疑似ランダムシーケンスに基づき参照信号シーケンスを決定するよう構成される参照信号コンポーネントと、
前記の決定された参照信号シーケンスに基づき前記スケジューリングされた通信に対応する復調参照信号を処理するよう構成される信号処理コンポーネントと、
を有するモバイル無線装置。 - 前記疑似ランダムシーケンスは、サービングセルのセル識別子に更に基づく、請求項15に記載のモバイル無線装置。
- 前記疑似ランダムシーケンスの初期化は、仮想セル識別子に更に基づき、前記仮想セル識別子は、スケジューリングされた通信のための所定の固定値を有する、請求項15に記載のモバイル無線装置。
- 前記疑似ランダムシーケンスは、所定の仮想セル識別子に基づき初期化される、請求項15に記載のモバイル無線装置。
- 前記スケジューリングされた通信の受信は、サービング送信点から信号を受信するための送信パラメータセットを示すパラメータセット指示子に基づく受信を有し、前記パラメータセット指示子は、スケジューリングされた通信のための所定の固定値を有する、請求項15に記載のモバイル無線装置。
- 前記復調参照信号の処理は、前記復調参照信号のチャネルの推定(チャネル推定)を有し、前記信号処理コンポーネントは、さらに、前記チャネル推定に基づき前記スケジューリングされた通信を処理する、請求項15に記載のモバイル無線装置。
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US13/928,722 US9973315B2 (en) | 2012-09-28 | 2013-06-27 | Systems and methods for semi-persistent scheduling of wireless communications |
PCT/US2013/061761 WO2014052499A1 (en) | 2012-09-28 | 2013-09-25 | Systems and methods for semi-persistent scheduling of wireless communications |
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