JP7708164B2 - ソース基地局、ターゲット基地局、及びこれらの方法 - Google Patents
ソース基地局、ターゲット基地局、及びこれらの方法Info
- Publication number
- JP7708164B2 JP7708164B2 JP2023210956A JP2023210956A JP7708164B2 JP 7708164 B2 JP7708164 B2 JP 7708164B2 JP 2023210956 A JP2023210956 A JP 2023210956A JP 2023210956 A JP2023210956 A JP 2023210956A JP 7708164 B2 JP7708164 B2 JP 7708164B2
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- Prior art keywords
- rsu
- service
- enb
- base station
- configuration
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/02—Selection of wireless resources by user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
- H04W36/083—Reselecting an access point wherein at least one of the access points is a moving node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/34—Reselection control
- H04W36/38—Reselection control by fixed network equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/50—Service provisioning or reconfiguring
-
- 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
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/25—Control channels or signalling for resource management between terminals via a wireless link, e.g. sidelink
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Description
図1は、第1の実施形態を含むいくつかの実施形態に係る無線通信システムの構成例を示している。無線端末(UE)100~102は、車両に搭載される。車両UE100~102は、車載処理ユニット(例えば、カーナビゲーションシステム)内に実装されてもよい。車両UE100~102は、V2IサービスをサポートするためにV2I アプリケーションを実行する。UE100~102は、他のV2Xサービス、つまりV2Vサービス若しくはV2Pサービス又はこれら両方をサポートしてもよい。
・Multimedia Broadcast/Multicast Service(MBMS)のためのPhysical Multicast Channel(PMCH)の設定;
・Single Cell Point to Multi-point(SC-PTM)のためのPhysical Downlink Shared Channel(PDSCH)の設定;
・Logical Channel ID(LCID);及び
・E-UTRAN Radio Access Bearer(E-RAB) identity。
本実施形態では、V2XサービスをサポートするUEのハンドオーバの具体例が説明される。図1に示された例において、UE100は、eNB130Sによって提供されるソースセルからeNB130Tによって提供されるターゲットセルへのハンドオーバを行ってもよい。同様に、図2に示された例において、UE100は、RSU(eNB)220によって提供されるソースセルからRSU(eNB)221によって提供されるターゲットセルへのハンドオーバを行ってもよい。
本実施形態では、V2Xに関するメッセージ転送のいくつかの具体例が説明される。図6は、メッセージ転送の第1の例を示している。図6の例では、RSU(UE)120は、車両UE100からの通知660の受信に応答して、通知660に基づくV2X報告情報(V2X report information)670を生成し、生成されたV2X報告情報670をeNB130を介してサーバ140に送る。
図1に示された構成において、RSU120及び121の各々は、eNB130又はサーバ140に周期的にキープアライブ(keep-alive)メッセージ又はハートビート(heartbeat)メッセージを送信するよう動作してもよい。eNB130又はサーバ140は、あるRSUからのキープアライブ又はハートビートメッセージの受信に失敗した場合に、当該RSUの故障発生を検出してもよい。
120、121 RSU
130 eNB
140 サーバ
150 V2Xコントローラ
220、221 RSU
1001 RFトランシーバ
1004 プロセッサ
1101 RFトランシーバ
1103 ベースバンドプロセッサ
1104 アプリケーションプロセッサ
1202 プロセッサ
1203 メモリ
Claims (10)
- 無線端末のハンドオーバのためであり且つVehicle-to-Everything(V2X)サービスに関する前記無線端末の認証状態についての情報を含むハンドオーバ要求メッセージをターゲット基地局に送信する手段と、
前記V2Xサービスのエリア情報を示すV2X設定を含むハンドオーバ要求肯定応答メッセージを前記ターゲット基地局から受信する手段と、
を備えるソース基地局。 - 前記V2X設定は、前記V2Xサービスをさらに示す、
請求項1に記載のソース基地局。 - 前記V2X設定を含むRadio Resource Control(RRC)メッセージを前記無線端末に送信する手段をさらに備える、
請求項1又は2に記載のソース基地局。 - 無線端末のハンドオーバのためであり且つVehicle-to-Everything(V2X)サービスに関する前記無線端末の認証状態についての情報を含むハンドオーバ要求メッセージをターゲット基地局に送信すること、及び
前記V2Xサービスのエリア情報を示すV2X設定を含むハンドオーバ要求肯定応答メッセージを前記ターゲット基地局から受信すること、
を備える、ソース基地局の方法。 - 前記V2X設定は、前記V2Xサービスをさらに示す、
請求項4に記載の方法。 - 前記V2X設定を含むRadio Resource Control(RRC)メッセージを前記無線端末に送信することをさらに備える、
請求項4又は5に記載の方法。 - 無線端末のハンドオーバのためであり且つVehicle-to-Everything(V2X)サービスに関する前記無線端末の認証状態についての情報を含むハンドオーバ要求メッセージをソース基地局から受信する手段と、
前記V2Xサービスのエリア情報を示すV2X設定を含むハンドオーバ要求肯定応答メッセージを前記ソース基地局に送信する手段と、
を備えるターゲット基地局。 - 前記V2X設定は、前記V2Xサービスをさらに示す、
請求項7に記載のターゲット基地局。 - 無線端末のハンドオーバのためであり且つVehicle-to-Everything(V2X)サービスに関する前記無線端末の認証状態についての情報を含むハンドオーバ要求メッセージをソース基地局から受信すること、及び
前記V2Xサービスのエリア情報を示すV2X設定を含むハンドオーバ要求肯定応答メッセージを前記ソース基地局に送信すること、
を備える、ターゲット基地局の方法。 - 前記V2X設定は、前記V2Xサービスをさらに示す、
請求項9に記載の方法。
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| JP2020077087A JP6911970B2 (ja) | 2015-09-18 | 2020-04-24 | 基地局装置、無線端末、セルラー通信ネットワーク、及びこれらの方法 |
| JP2021112503A JP7156460B2 (ja) | 2015-09-18 | 2021-07-07 | 基地局装置、無線端末、及びこれらの方法 |
| JP2022157726A JP7409453B2 (ja) | 2015-09-18 | 2022-09-30 | 基地局装置、無線端末、及びこれらの方法 |
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| JP2020077087A Active JP6911970B2 (ja) | 2015-09-18 | 2020-04-24 | 基地局装置、無線端末、セルラー通信ネットワーク、及びこれらの方法 |
| JP2021112503A Active JP7156460B2 (ja) | 2015-09-18 | 2021-07-07 | 基地局装置、無線端末、及びこれらの方法 |
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| Country | Link |
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| US (5) | US10623920B2 (ja) |
| EP (2) | EP3352484B1 (ja) |
| JP (6) | JP6699666B2 (ja) |
| KR (4) | KR102281707B1 (ja) |
| CN (3) | CN113660654B (ja) |
| ES (1) | ES2833168T3 (ja) |
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