JP2017011748A - 基準信号受信品質(rsrq)を使用するハンドオーバ向上のためのユーザ機器 - Google Patents
基準信号受信品質(rsrq)を使用するハンドオーバ向上のためのユーザ機器 Download PDFInfo
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- JP2017011748A JP2017011748A JP2016175078A JP2016175078A JP2017011748A JP 2017011748 A JP2017011748 A JP 2017011748A JP 2016175078 A JP2016175078 A JP 2016175078A JP 2016175078 A JP2016175078 A JP 2016175078A JP 2017011748 A JP2017011748 A JP 2017011748A
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Abstract
【解決手段】UEは、UEの速度に少なくとも部分的に基づいてハンドオーバ開始パラメータを適合的に選択する。UEは、サービングセルのRSRQおよびターゲットセルのRSRQを判断し、ターゲットセルRSRQが選択されたハンドオーバ開始パラメータに従うサービングセルRSRQを超える場合に、サービングセルからターゲットセルへのハンドオーバのために、サービングeNBに測定レポートを送信する。ハンドオーバ開始パラメータは、A3offsetとTTTのペアを含むA3offset値およびトリガ時間(TTT)等のオフセット値を含む。
【選択図】図2
Description
Claims (21)
- ハンドオーバ開始のためにユーザ機器(UE)により実行される方法であって、
マクロセルまたはピコセルのいずれかを含むサービングセルのタイプおよびマクロセルまたはピコセルのいずれかを含むターゲットセルのタイプのうち1つまたは複数および前記UEの速度に基づいてA3offsetとトリガ時間(TTT)のペアを選択し、前記A3offsetとTTTのペアは、A3offset値およびTTTを含む段階と、
サービングセルの基準信号受信品質(RSRQ)およびターゲットセルのRSRQを判断する段階と、
前記ターゲットセルの前記RSRQが前記TTTに対する少なくともA3offset値だけ前記サービングセルの前記RSRQを超える場合に、前記ターゲットセルへのハンドオーバのために前記サービングセルの拡張型ノードB(eNB)に測定レポートを送信する段階とを備える方法。 - 前記サービングセルの前記RSRQおよび前記ターゲットセルの前記RSRQは、基準信号を含むリソースブロック(RB)の受信信号強度インジケータ(RSSI)に対する基準信号受信電力(RSRP)の比率から判断される、請求項1に記載の方法。
- 前記サービングセルの前記RSRQおよび前記ターゲットセルの前記RSRQは、E‐UTRAN LTEのための3GPP規格に準拠して判断され、
前記サービングセルの前記RSRQおよび前記ターゲットセルの前記RSRQは、ハンドオーバ開始のためのイベントA3に対する入力条件および終了条件を決定する、請求項2に記載の方法。 - 前記RSRPは、予め定められた物理リソースブロック(PRB)においてeNBにより送信されるチャネル状態情報基準信号(CIS‐RS)および共通基準信号(CRS)のうち1または複数から判断される、請求項3に記載の方法。
- より大きいUEの速度に対して、より小さいA3offset値およびより短いTTTを選択し、
より小さいUEの速度に対して、より大きいA3offset値およびより長いTTTを選択する、請求項4に記載の方法。 - 前記UEの前記速度は、前記UEのモビリティ状態に基づき、予め定められた期間中のセルの再選択の回数から判断される、請求項4または5に記載の方法。
- 前記UEの前記速度は、ターゲットeNBおよびサービングeNBを含む1または複数のeNBから送信された信号から判断される位置または所在地の推定における変化から判断される、請求項4から6のいずれか1項に記載の方法。
- 前記UEの前記速度は、補助衛星測位技術を使用して判断される、請求項4から7のいずれか1項に記載の方法。
- 予め定められた低い値未満の速度に対して、前記UEは、複数のA3offsetとTTTのペアから第1のA3offsetとTTTのペアを選択し、
前記予め定められた低い値より大きいか等しい速度、および予め定められた高い値より小さいか等しい速度に対して、前記UEは、前記複数のA3offsetとTTTのペアから第2のA3offsetとTTTのペアを選択し、
前記予め定められた高い値より大きい速度に対して、前記UEは、前記複数のA3offsetとTTTのペアから第3のA3offsetとTTTのペアを選択する、請求項4から8のいずれか1項に記載の方法。 - 前記UEは、前記サービングセルのeNBおよび前記ターゲットセルのeNBにより送信された1または複数のセルまたはeNB識別情報に基づいて、前記サービングセルのタイプおよび前記ターゲットセルのタイプのうち少なくとも1つを判断し、
前記eNB識別情報は、マクロセルまたはピコセルを示す、請求項1から9のいずれか1つに記載の方法。 - 前記UEは、前記サービングセルの前記eNBおよび前記ターゲットセルの前記eNBのうち少なくとも1つにより送信された基準信号の測定信号強度に基づいて、前記サービングセルのタイプおよび前記ターゲットセルのタイプのうち少なくとも1つを判断する、請求項1から10のいずれか1つに記載の方法。
- ピコサービングセルからマクロターゲットセルへのハンドオーバのために、より小さいA3offset値およびより小さいTTTを選択し、
マクロサービングセルからピコターゲットセルへのハンドオーバのために、より大きいA3offset値およびより小さいTTTを選択する、請求項1から11のいずれか1項に記載の方法。 - ユーザ機器(UE)であって、
マクロセルまたはピコセルのいずれかを含むサービングセルのタイプおよびマクロセルまたはピコセルのいずれかを含むターゲットセルのタイプのうち1つまたは複数および前記UEの速度に基づいて、A3offsetとTTTのペアを選択し、基準信号を含むリソースブロック(RB)の受信信号強度インジケータ(RSSI)に対する基準信号受信電力(RSRP)の比率から、サービングセルの基準信号受信品質(RSRQ)およびターゲットセルのRSRQを判断する処理回路と、
前記ターゲットセルのRSRQがトリガ時間(TTT)に対する少なくともA3offset値だけ前記サービングセルのRSRQを超える場合に、前記サービングセルから前記ターゲットセルへのハンドオーバのために、測定レポートをサービングeNBに送信する物理層回路とを備えるUE。 - 前記RSRPは、予め定められた物理リソースブロック(PRB)においてeNBにより送信されるチャネル状態情報基準信号(CIS‐RS)および共通基準信号(CRS)のうち1つまたは複数から判断される、請求項13に記載のUE。
- より大きなUEの速度に対して、より小さいA3offset値およびより短いTTTを選択し、
より小さいUE速度に対して、より大きいA3offset値およびより長いTTTを選択する、請求項13または14に記載のUE。 - 前記UEの前記速度は、前記UEのモビリティ状態に基づき、予め定められた期間中のセルの再選択の回数から判断される、請求項13から15のいずれか1項に記載のUE。
- 前記UEの前記速度は、ターゲットeNBおよび前記サービングeNBを含む1または複数のeNBから送信された信号から判断される位置または所在地の推定における変化から判断される、請求項13から16のいずれか1項に記載のUE。
- 前記UEの前記速度は、補助衛星測位技術を使用して判断される、請求項13から17のいずれか1項に記載のUE。
- ハンドオーバ開始のためのオペレーションをコンピュータに実行させるプログラムであって、
マクロセルまたはピコセルのいずれかを含むサービングセルのタイプおよびマクロセルまたはピコセルのいずれかを含むターゲットセルのタイプのうち1つまたは複数およびユーザ機器(UE)の速度に基づいてA3offsetとTTTのペアを選択し、前記A3offsetとTTTのペアは、A3offset値およびトリガ時間(TTT)を含む手順と、
サービングセルの基準信号受信品質(RSRQ)およびターゲットセルのRSRQを判断する手順と、
前記ターゲットセルの前記RSRQが前記TTTに対する少なくとも前記A3offset値だけ前記サービングセルのRSRQを超える場合に、前記ターゲットセルへのハンドオーバのために、前記サービングセルの拡張型ノードB(eNB)に測定レポートを送信させる手順とを含むプログラム。 - 前記サービングセルの前記RSRQおよび前記ターゲットセルの前記RSRQは、基準信号を含むリソースブロック(RB)の受信信号強度インジケータ(RSSI)に対する基準信号受信電力(RSRP)の比率から判断され、
前記サービングセルの前記RSRQおよび前記ターゲットセルの前記RSRQは、ハンドオーバ開始のためにイベントA3に対する入力条件および終了条件を決定し、
前記RSRPは、予め定められた物理リソースブロック(PRB)においてeNBにより送信されるチャネル状態情報基準信号(CIS‐RS)および共通基準信号(CRS)のうち1つまたは複数から判断される、請求項19に記載のプログラム。 - 請求項19または20に記載のプログラムを格納するコンピュータ可読記憶媒体。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022544748A (ja) * | 2019-07-30 | 2022-10-21 | フラウンホーファー-ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | トリガまでの時間および条件付きハンドオーバの改良 |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9130688B2 (en) | 2012-05-11 | 2015-09-08 | Intel Corporation | User equipment and methods for handover enhancement using reference signal received quality (RSRQ) |
US8874103B2 (en) | 2012-05-11 | 2014-10-28 | Intel Corporation | Determining proximity of user equipment for device-to-device communication |
US9647818B2 (en) | 2013-01-03 | 2017-05-09 | Intel IP Corporation | Apparatus and method for single-tone device discovery in wireless communication networks |
JP5781103B2 (ja) * | 2013-02-12 | 2015-09-16 | 株式会社Nttドコモ | 無線基地局、ユーザ端末、セル選択方法及び無線通信システム |
US9020509B1 (en) * | 2013-03-12 | 2015-04-28 | Sprint Communications Company L.P. | Dynamic Qrxlevmin and Sintrasearch values to optimize intra- and inter-frequency handovers in LTE |
CN106060912B (zh) | 2013-03-29 | 2020-02-07 | 英特尔Ip公司 | 无线通信网络中的扩展型呼叫非连续接收(drx)周期 |
US9160515B2 (en) | 2013-04-04 | 2015-10-13 | Intel IP Corporation | User equipment and methods for handover enhancement using scaled time-to-trigger and time-of-stay |
CN104219681B (zh) * | 2013-06-03 | 2020-05-05 | 索尼公司 | 无线通信***中的装置和方法 |
EP3076712B1 (en) * | 2013-11-26 | 2018-05-30 | Nec Corporation | Wireless communication system, base station, handover control method, and program |
US9913191B2 (en) * | 2013-12-20 | 2018-03-06 | Intel IP Corporation | Base station and method for early handover using uplink channel characteristics |
KR102206280B1 (ko) * | 2014-01-24 | 2021-01-22 | 삼성전자주식회사 | 이동 통신 시스템에서 핸드오버 파라미터 설정 방법 및 장치 |
EP3117653A4 (en) | 2014-03-14 | 2017-10-18 | Intel IP Corporation | Device and method for modifying cell measurements based on device mobility |
US10530639B2 (en) * | 2014-03-21 | 2020-01-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Mobility robustness in a cellular network |
US9713049B2 (en) * | 2014-04-28 | 2017-07-18 | Intel IP Corporation | User equipment and methods for measurement of reference signal received quality |
GB2526284A (en) * | 2014-05-19 | 2015-11-25 | Vodafone Ip Licensing Ltd | Handover signalling |
JP6660879B2 (ja) * | 2014-07-08 | 2020-03-11 | シャープ株式会社 | 端末装置、通信方法および集積回路 |
KR101582598B1 (ko) * | 2014-07-31 | 2016-01-05 | 에스케이텔레콤 주식회사 | 단말장치 및 단말장치의 동작 방법 |
US9668189B2 (en) | 2014-11-14 | 2017-05-30 | Industrial Technology Research Institute | Handover management method and base station using the same |
US10284311B2 (en) * | 2015-02-11 | 2019-05-07 | Qualcomm Incorporated | RSRP and path loss measurements with coverage enhancements |
CN104735738B (zh) * | 2015-04-21 | 2018-03-06 | 重庆邮电大学 | 一种gmr‑1卫星移动通信***中的切换方法 |
CN106301692B (zh) | 2015-05-21 | 2019-12-10 | 电信科学技术研究院 | 一种信道状态信息获取方法及装置 |
EP3373697A1 (en) * | 2015-11-06 | 2018-09-12 | NTT Docomo, Inc. | User device, base station, measurement method, and measurement-condition notification method |
CN109076496B (zh) | 2016-05-03 | 2021-09-03 | 株式会社Kt | 用于改变终端连接状态的方法和装置 |
BR112018073443A2 (pt) * | 2016-05-13 | 2019-03-26 | Telefonaktiebolaget Lm Ericsson (Publ) | mecanismos para csi-rs de densidade reduzida |
WO2018223349A1 (en) | 2017-06-08 | 2018-12-13 | Qualcomm Incorporated | Collision handling mechanisms for dynamic tdd systems |
US11382018B2 (en) * | 2017-07-27 | 2022-07-05 | T-Mobile Usa, Inc. | Wireless handovers based on device movement |
WO2019096888A1 (en) * | 2017-11-17 | 2019-05-23 | Nokia Technologies Oy | Measurement for fast cell access |
CN109600791B (zh) * | 2019-01-04 | 2021-03-12 | Oppo广东移动通信有限公司 | 信号强度上报方法、装置、存储介质及移动终端 |
CN111294872A (zh) * | 2019-02-13 | 2020-06-16 | 展讯通信(上海)有限公司 | 小区的自动切换方法及装置、存储介质、终端 |
CN111836313B (zh) * | 2019-04-17 | 2022-08-09 | 华为技术有限公司 | 一种小区切换测量的指示方法、网络设备及终端 |
WO2021051388A1 (zh) * | 2019-09-20 | 2021-03-25 | Oppo广东移动通信有限公司 | 小区切换的方法和设备 |
WO2021056238A1 (en) * | 2019-09-25 | 2021-04-01 | Qualcomm Incorporated | Frequency band prioritization for wireless communications |
JP7318474B2 (ja) | 2019-10-09 | 2023-08-01 | 株式会社デンソー | 高周波トランジスタ |
EP4147484A1 (en) * | 2020-05-05 | 2023-03-15 | Nokia Technologies Oy | Variable time-to-trigger value for transmission of measurement report for wireless networks |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110086635A1 (en) * | 2009-10-09 | 2011-04-14 | Alcatel-Lucent Usa Inc. | Method And Apparatus For Utilizing Mobility State Information |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5697055A (en) | 1994-10-16 | 1997-12-09 | Qualcomm Incorporated | Method and apparatus for handoff between different cellular communications systems |
CN101453770A (zh) * | 2007-12-07 | 2009-06-10 | 华为技术有限公司 | 一种测量控制方法和装置 |
CN101841827A (zh) * | 2009-03-17 | 2010-09-22 | 中兴通讯股份有限公司 | 一种上报邻区信号质量的方法 |
WO2011041751A2 (en) * | 2009-10-02 | 2011-04-07 | Research In Motion Limited | Measurement reporting in a wireless network |
WO2011041753A2 (en) * | 2009-10-02 | 2011-04-07 | Research In Motion Limited | System and method for performing measurement reporting |
US9130688B2 (en) | 2012-05-11 | 2015-09-08 | Intel Corporation | User equipment and methods for handover enhancement using reference signal received quality (RSRQ) |
US9271324B2 (en) * | 2012-12-19 | 2016-02-23 | Blackberry Limited | Method and apparatus for assisted serving cell configuration in a heterogeneous network architecture |
US9072021B2 (en) * | 2012-12-19 | 2015-06-30 | Blackberry Limited | Method and apparatus for hybrid automatic repeat request operation in a heterogeneous network architecture |
US9832717B2 (en) * | 2012-12-19 | 2017-11-28 | Blackberry Limited | Method and apparatus for layer 3 configuration in a heterogeneous network |
US9036578B2 (en) * | 2012-12-19 | 2015-05-19 | Blackberry Limited | Method and apparatus for control channel configuration in a heterogeneous network architecture |
US9084264B2 (en) * | 2013-02-26 | 2015-07-14 | Blackberry Limited | Method and apparatus for small cell configuration in a heterogeneous network architecture |
JP6026318B2 (ja) * | 2013-02-27 | 2016-11-16 | クラリオン株式会社 | プログラム拡張システム、それに使用されるサーバ、プログラム拡張方法、および、プログラム管理プログラム |
US9264966B2 (en) * | 2013-03-11 | 2016-02-16 | Alcatel Lucent | Method and apparatus for LTE handover reduction |
US20140274049A1 (en) * | 2013-03-12 | 2014-09-18 | Qualcomm Incorporated | Method and apparatus for ue measurement assisted handover classification |
-
2012
- 2012-09-28 US US13/631,213 patent/US9130688B2/en active Active
-
2013
- 2013-05-08 WO PCT/US2013/040143 patent/WO2013169904A1/en active Application Filing
- 2013-05-08 ES ES13787247T patent/ES2728923T3/es active Active
- 2013-05-08 JP JP2015511661A patent/JP6005849B2/ja active Active
- 2013-05-08 CN CN201380024750.6A patent/CN104303557B/zh active Active
- 2013-05-08 HU HUE13787247A patent/HUE043329T2/hu unknown
- 2013-05-08 EP EP13787247.9A patent/EP2848039B1/en active Active
-
2016
- 2016-09-07 JP JP2016175078A patent/JP2017011748A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110086635A1 (en) * | 2009-10-09 | 2011-04-14 | Alcatel-Lucent Usa Inc. | Method And Apparatus For Utilizing Mobility State Information |
Non-Patent Citations (7)
Title |
---|
ALCATEL-LUCENT AND ALCATEL-LUCENT SHANGHAI BELL: "Preliminary Studies on Mobility Requirements Impact", 3GPP TSG-RAN WG4 MEETING #AH57 R4-110350, JPN6015048921, 11 January 2011 (2011-01-11) * |
ALCATEL-LUCENT, ALCATEL-LUCENT SHANGHAI BELL: "UE speed-based methods and mobility state estimation for improving the mobility performance in HetNe", 3GPP TSG-RAN WG2 MEETING #77 BIS R2-121707, JPN6015048919, 20 March 2012 (2012-03-20) * |
HUAWEI,HISILICON: "Way forward on Simulation assumptions of measurement bandwidth impacts on RSRQ", 3GPP TSG-RAN WG4 MEETING #62 R4-120071, JPN6015048924, 30 January 2012 (2012-01-30) * |
INTEL CORPORATION: "A Non-MSE based Hetnet Mobility Enhancements using RSRQ", 3GPP TSG RAN WG2 MEETING #78 R2-122822, JPN6015048934, 15 May 2012 (2012-05-15) * |
INTEL CORPORATION: "Issues with Hetnet mobility enhancements based on MSE", 3GPP TSG RAN WG2 MEETING #78 R2-123085, JPN6016030542, 25 May 2012 (2012-05-25), pages 1 - 8 * |
NOKIA SIEMENS NETWORKS, NOKIA CORPORATION: "Discussion on Hetnet Improvements for Mobility", 3GPP TSG-RAN WG2 MEETING #71BIS R2-105466, JPN6015048931, 5 October 2010 (2010-10-05) * |
SAMSUNG: "Issues related to UE mobility state estimation in Hetnet", 3GPP TSG-RAN2#76 MEETING R2-116273, JPN6015048927, 8 November 2011 (2011-11-08) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2022544748A (ja) * | 2019-07-30 | 2022-10-21 | フラウンホーファー-ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | トリガまでの時間および条件付きハンドオーバの改良 |
JP7434525B2 (ja) | 2019-07-30 | 2024-02-20 | コーニンクレッカ フィリップス エヌ ヴェ | トリガまでの時間および条件付きハンドオーバの改良 |
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WO2013169904A1 (en) | 2013-11-14 |
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US9130688B2 (en) | 2015-09-08 |
EP2848039B1 (en) | 2019-03-06 |
HUE043329T2 (hu) | 2019-08-28 |
JP6005849B2 (ja) | 2016-10-12 |
ES2728923T3 (es) | 2019-10-29 |
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