JP2016525850A - 移動通信システムでシステム情報とページングを受信する方法及び装置 - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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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
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
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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
- H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
移動通信システムの端末で電力消耗問題を改善させることができる方法のうちの一つは DRX周期を増やす方法がある。
SFN mod T=(T div N)*(UE_ID mod N)
ここで、
SFN:System Frame Number。10 bits(MSB 8 bits explicit、LBS 2 bits implicit)
N:min(T、nB)
nB:Transmitted on SIB2。ENUMERATED {4T、2T、T、T/2、T/4、T/8、T/16、T/32}。
UE_ID:IMSI mod 1024(IMSIは端末機ごとに付与される固有番号)
本実施形態は、RRC Diversity技術に対することである。 RRC Diversityとは端末が複数個の基地局に対して同様のRRCメッセージを送信及び受信し、RRCメッセージの受信成功確率を増大させる技術である。
又は、1190段階無しに、1175段階でSeNB1110が生成したHO commandを直ちに端末1100に伝達することもできる。
110 無線事業者網
115 機械型通信サーバー
120 機械型通信ユーザ
1000 端末
1005 MeNB
1010 SeNB
1015 Xn backhaul
1600 送受信機
1605 多重化及び逆多重化装置
1610 上位階層
1615 制御メッセージ処理部
1620 制御部
1705 送受信部
1710 制御部
1715 スケジューラー
1720 多重化及び逆多重化部
1725 上位階層処理部
1730 上位階層処理部
1735 制御メッセージ処理部
Claims (14)
- 移動通信システムの基地局において信号送受信方法であって、
端末から前記端末の周辺基地局測定情報を受信する段階と、
前記受信した測定情報に基づいて上位シグナル送信モードを決定する段階と、
前記決定されたモード及び前記測定情報に基づいて決定されたスモールセル基地局にリクエストメッセージを送信する段階と、及び
前記スモールセル基地局から前記スモールセルが送信するダウンリンク受信のための識別子及び前記スモールセルのセル識別子のうちの少なくとも一つを受信する段階と、を含む信号送受信方法。 - 前記リクエストメッセージは前記決定された上位シグナル送信モードが適用される上位シグナルの情報を含むことを特徴とする、請求項1に記載の信号送受信方法。
- 前記スモールセル基地局から受信した情報のうちの少なくとも一つを前記端末に送信する段階をさらに含むことを特徴とする、請求項1に記載の信号送受信方法。
- 前記端末に送信される上位シグナルに係る情報を前記スモールセル基地局に送信する段階をさらに含むことを特徴とする、請求項1に記載の信号送受信方法。
- 前記上位シグナル送信モードは前記基地局及び前記スモールセル基地局が前記端末に上位シグナルを送信するモードを含むことを特徴とする、請求項1に記載の信号送受信方法。
- 前記スモールセルが送信するダウンリンク受信のための識別子及び前記スモールセルのセル識別子のうちの少なくとも一つに基づいて前記端末が前記スモールセル基地局から制御信号を受信することを特徴とする、請求項1に記載の信号送受信方法。
- 移動通信システムの端末において信号送受信方法であって、
基地局へ前記端末の周辺基地局測定情報を送信する段階と、及び
前記測定情報に基づく決定されたスモールセル基地局のダウンリンク受信のための識別子及び前記スモールセルのセル識別子のうちの少なくとも一つを前記基地局から受信する段階を含む信号送受信方法。 - 前記スモールセル基地局のダウンリンク受信のための識別子及び前記スモールセルのセル識別子のうちの少なくとも一つに基づいて前記スモールセル基地局から上位シグナルを受信する段階をさらに含み、
前記上位シグナルに係る情報は前記基地局によって前記スモールセル基地局に送信されたことを特徴とする、請求項7に記載の信号送受信方法。 - 前記スモールセルから前記受信した上位シグナルと同様のシグナルが受信される場合、これを無視する段階を含むことを特徴とする、 請求項8に記載の信号送受信方法。
- 前記スモールセルが送信するダウンリンク受信のための識別子及び前記スモールセルのセル識別子のうちの少なくとも一つに基づいて前記スモールセルが送信する制御信号を受信する段階をさらに含むことを特徴とする、請求項7に記載の信号送受信方法。
- 移動通信システムの端末においてシステム情報受信方法であって、
基地局から非連続的受信(Discontinuous Reception、DRX)周期関連情報を受信する段階と、
前記DRX周期をしきい値(Threshold value)と比べる段階と、及び
前記比較結果によって変更されたシステム情報(System Information、SI)を受信する段階を含み、
前記変更されたSIを受信する段階は
前記DRX周期がしきい値より小さい場合、受信されるページング信号によって変更されたSI情報を受信する段階と、を含むことを特徴とする、システム情報受信方法。 - 前記変更されたSIを受信する段階は、
前記DRX周期がしきい値より大きい場合、前記DRX周期が到来する前にセル選択またはセル再選択動作を通じてSI情報を受信する段階を含むことを特徴とする、請求項11に記載のシステム情報受信方法。 - 移動通信システムの基地局においてシステム情報送信方法であって、
端末で非連続的受信(Discontinuous Reception、DRX)周期関連情報を送信する段階と、
システム情報(System Information、SI)が変更される場合、ページング信号を端末に送信する段階と、及び
前記変更されたSIを端末に放送(broadcasting)する段階を含み、
前記端末は、前記DRX周期をしきい値(Threshold value)と比べ、前記比較結果によって変更されたシステム情報(System Information、SI)を受信し、前記DRX周期がしきい値より小さいを場合、受信されるページング信号によって変更されたSI情報を受信することを特徴とする、システム情報送信方法。 - 前記端末は、
前記DRX周期がしきい値より大きい場合、前記DRX周期が渡来する前にセル選択またはセル再選択動作を通じてSI情報を受信することを特徴とする、請求項13に記載のシステム情報送信方法。
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PCT/KR2014/006740 WO2015016530A1 (ko) | 2013-08-02 | 2014-07-24 | 이동 통신 시스템에서 시스템 정보와 페이징을 수신하는 방법 및 장치 |
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WO2015016530A1 (ko) | 2015-02-05 |
JP6469679B2 (ja) | 2019-02-13 |
CN105453652A (zh) | 2016-03-30 |
KR102182517B1 (ko) | 2020-11-24 |
EP3030000A4 (en) | 2017-01-11 |
KR20150015993A (ko) | 2015-02-11 |
US20190191410A1 (en) | 2019-06-20 |
JP2019092175A (ja) | 2019-06-13 |
EP3030000A1 (en) | 2016-06-08 |
US10484962B2 (en) | 2019-11-19 |
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