JP2017092997A - 無線通信システムにおけるセル間干渉調整に対する測定方法及び装置 - Google Patents
無線通信システムにおけるセル間干渉調整に対する測定方法及び装置 Download PDFInfo
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
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- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
- H04J11/0056—Inter-base station aspects
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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
- H04L5/0058—Allocation criteria
- H04L5/0073—Allocation arrangements that take into account other cell interferences
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
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- H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
- H04J13/0062—Zadoff-Chu
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- H—ELECTRICITY
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- H—ELECTRICITY
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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
- 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
- H04L5/0091—Signaling for the administration of the divided path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
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- H04W92/20—Interfaces between hierarchically similar devices between access points
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Abstract
【解決手段】本発明の一実施例に係る無線通信システムにおいて第1基地局が端末の測定をサポートする方法は、第2基地局のダウンリンクサブフレーム設定に対する情報を取得すること、第2基地局のダウンリンクサブフレーム設定に基づいて第1基地局のダウンリンク資源から測定対象を決定すること、測定対象の情報を端末に送信すること、及び端末から測定対象に対する測定結果を受信することを含むことができる。
【選択図】図20
Description
Claims (10)
- 無線通信システムにおいて端末(UE)が測定を行う方法であって、
第1基地局から、測定を行う資源領域を示す情報を受信するステップと、
前記資源領域の測定を行うステップと、
前記測定に対する報告を前記第1基地局に送信するステップと、を含み、
前記資源領域は、少なくとも一つの直交周波数分割多重(OFDM)シンボルと少なくとも一つのダウンリンクサブフレームとの組合せとして決定され、
前記情報は、無線資源制御(RRC)信号通知を介して受信される、方法。 - 前記測定は、前記少なくとも一つのダウンリンクサブフレームの中の全てのOFDMシンボルに対して実行される、請求項1に記載の方法。
- 前記資源領域は、第2基地局による略空白サブフレーム(ABS)として設定された少なくとも一つのサブフレームを示す情報に基づいて前記第1基地局により決定され、
前記ABSとして設定された前記少なくとも一つのサブフレームを示す前記情報は、X2信号通知を介して、前記第2基地局から前記第1基地局で受信される、請求項1に記載の方法。 - 前記測定は、参照信号受信品質(RSRQ)に対するものであり、前記RSRQは参照信号受信電力(RSRP)と受信信号強度指示子(RSSI)により測定される、請求項1に記載の方法。
- 無線通信システムにおいて第1基地局が端末(UE)の測定をサポートする方法であって、
第2基地局により略空白サブフレーム(ABS)として設定された少なくとも一つのサブフレームを示すダウンリンクサブフレーム設定情報を前記第2基地局から受信するステップと、
前記ダウンリンクサブフレーム設定情報に基づいて決定された、測定を行う資源領域を示す情報を前記UEへ送信するステップと、
前記資源領域に対して行う測定の報告を前記UEから受信するステップと、を含み、
前記資源領域は、少なくとも一つの直交周波数分割多重(OFDM)シンボルと少なくとも一つのダウンリンクサブフレームとの組合せとして決定され、
前記資源領域を示す前記情報は、無線資源制御(RRC)信号通知を介して送信される、方法。 - 前記測定は前記少なくとの1つのダウンリンクサブフレームの中の全てのOFDMシンボルに対して実行される、請求項5に記載の方法。
- 前記ダウンリンクサブフレーム設定情報はX2信号通知を介して受信される、請求項5に記載の方法。
- 前記測定は、参照信号受信品質(RSRQ)に対するものであり、前記RSRQは参照信号受信電力(RSRP)と受信信号強度指示子(RSSI)により測定される、請求項5に記載の方法。
- 測定を行う端末(UE)であって、
受信モジュールと、
送信モジュールと、
プロセッサと、を備え、
前記プロセッサは、資源領域に対する測定を行うために、前記測定を行うための前記資源領域を示す情報を前記受信モジュールを介して第1基地局から受信し、前記測定の報告を前記送信モジュールを介して前記第1基地局へ送信するように設定され、
前記資源領域は、少なくとも一つの直交周波数分割多重(OFDM)シンボルと少なくとも一つのダウンリンクサブフレームとの組合せとして決定され、
前記資源領域を示す前記情報は、無線資源制御(RRC)信号通知を介して送信される、端末。 - 端末(UE)の測定をサポートする第1基地局であって、
受信モジュールと、
送信モジュールと、
プロセッサと、を備え、
前記プロセッサは、第2基地局により略空白サブフレーム(ABS)として設定された少なくとも一つのサブフレームを示すダウンリンクサブフレーム設定情報を前記受信モジュールを介して前記第2基地局から受信し、前記ダウンリンクサブフレーム設定情報に基づいて決定された、測定を行うための資源領域を示す情報を前記送信モジュールを介して前記端末に送信し、前記資源領域に対して行う測定の報告を前記受信モジュールを介して前記端末から受信するように設定され、
前記資源領域は、少なくとも一つの直交周波数分割多重(OFDM)シンボルと少なくとも一つのダウンリンクサブフレームとの組合せとして決定され、
前記資源領域を示す前記情報は、無線資源制御(RRC)信号通知を介して送信される、第1基地局。
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US31875810P | 2010-03-29 | 2010-03-29 | |
US61/318,758 | 2010-03-29 | ||
US37974110P | 2010-09-03 | 2010-09-03 | |
US61/379,741 | 2010-09-03 | ||
US40521510P | 2010-10-21 | 2010-10-21 | |
US61/405,215 | 2010-10-21 | ||
US201161446033P | 2011-02-23 | 2011-02-23 | |
US61/446,033 | 2011-02-23 |
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CN103039107B (zh) | 2016-01-27 |
EP2553970A2 (en) | 2013-02-06 |
US9161236B2 (en) | 2015-10-13 |
WO2011122833A2 (en) | 2011-10-06 |
JP6408049B2 (ja) | 2018-10-17 |
CN105813108A (zh) | 2016-07-27 |
AU2011233858B2 (en) | 2015-01-29 |
EP2553970A4 (en) | 2016-12-28 |
JP5830522B2 (ja) | 2015-12-09 |
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US20160119907A1 (en) | 2016-04-28 |
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US20150055502A1 (en) | 2015-02-26 |
US9788316B2 (en) | 2017-10-10 |
JP6100862B2 (ja) | 2017-03-22 |
US20130033998A1 (en) | 2013-02-07 |
KR20130018220A (ko) | 2013-02-20 |
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US9225450B2 (en) | 2015-12-29 |
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