WO2022254741A1 - 通信制御装置、通信制御方法、通信制御プログラム - Google Patents
通信制御装置、通信制御方法、通信制御プログラム Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
- H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
-
- 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
- H04W36/305—Handover due to radio link failure
-
- 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
- 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
-
- 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
- H04W68/12—Inter-network notification
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/06—Airborne or Satellite Networks
-
- 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
Definitions
- the communication device 2 can perform 5G communication if it is inside at least one of the multiple 5G cells 112A, 112B, and 112C.
- communicator 2B in 5G cells 112A and 112B can communicate with both 5G base stations 111A and 111B via 5G NR.
- the communication device 2C in the 5G cell 112C can communicate with the 5G base station 111C by 5G NR.
- the communicators 2A and 2D are outside of all the 5G cells 112A, 112B, 112C and are therefore unable to communicate by 5G NR.
- 5G communication by 5G NR between each communication device 2 and each 5G base station 111 is managed by 5GC, which is a core network.
- the 5GC exchanges data with each 5G base station 111, exchanges data with external networks such as the EPC, the satellite communication system 13, and the Internet, and manages movement of the communication device 2.
- the satellite communication system 13 is a wireless communication system that uses a communication satellite 131 as a low-orbit satellite that flies in low-orbit space at an altitude of about 500 km to 700 km above the earth's surface as a non-ground base station. Similar to 5G base station 111 and 4G base station 121 , the coverage or support area of communication satellite 131 is also referred to as a cell and illustrated as 132 . Thus, a communication satellite 131 as a non-terrestrial base station provides a satellite communication cell 132 as a non-terrestrial communication cell to the ground. If the communication device 2 on the ground is inside the satellite communication cell 132, it can perform satellite communication.
- the estimation unit 301 obtains performance information, compatible frequency information, contract information, location information, communication status information, activity history information, and Based on at least one piece of activity history information of an unspecified number of communication devices 2, the types of base stations to which the communication devices 2E, 2F, 2G, and 2H within the integrated location registration area TA0 are connected are estimated. These pieces of information suggesting the types of base stations to which the communication devices 2E, 2F, 2G, and 2H in the integrated location registration area TA0 are connected are the communication device 2 itself to be estimated, the ground station constituting the first location registration area TA1.
- the estimating unit 301 obtains from the base station, the non-terrestrial base station configuring the second location registration area TA2, the core network CN, an arbitrary database 4 outside the wireless communication system 1, and the like.
- the connection propriety determination unit 312 determines whether the terrestrial base stations 111, 121 and the non-terrestrial base stations 111, 121 and the non-terrestrial communication cells 111, 121 and the non-terrestrial communication cells 111, 121 and the non-terrestrial communication cells 112, 122 (first location registration area TA1) and the non-terrestrial communication cell 132 (second location registration area TA2) overlap within the overlapping area OA. Whether or not the communication device 2F connected to one of the base stations 131 can be connected to the other base station of the terrestrial base stations 111 and 121 and the non-terrestrial base station 131 is determined.
- a “White” communication device 2 that has connection authority is permitted to connect to the wireless communication system 1
- a “Black” communication device 2 that does not have connection authority is prohibited from connecting to the wireless communication system 1
- the “Grey” communication device 2 whose connection authority is undetermined is also registered in the EIR.
- the communication device management unit 314 selects any communication device 2 (such as communication devices 2E to 2I in FIG. 7) capable of communicating with at least one of the terrestrial communication system and the non-terrestrial communication system as EIR or communication within the core network CN. Register and manage in the device specific information storage unit.
- the communication device management unit 314 registers and manages the first connection authority (TN connection authority) of the communication device 2 with respect to the terrestrial base stations 111 and 121 (terrestrial communication system/first location registration area TA1, etc.).
- a management unit 316 is provided.
- the communication device 2F in the overlapping area OA of the first location registration area TA1 (terrestrial communication cells 112, 122) and the second location registration area TA2 (satellite communication cell 132) has both the TN connection authority and the NTN connection authority of "White". Therefore, it is possible to connect to both the ground base stations 111 and 121 and the communication satellite 131 .
- the communication device 2F within such an overlapping area OA is detected by the overlapping area identification unit 303.
- FIG. when the communication device 2F in the overlapping area OA has the TN connection authority (first connection authority) of “White”, the connection control unit 305 determines whether or not the NTN connection authority (second connection authority) exists.
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Abstract
Description
Claims (10)
- 地上に設置される地上基地局が地上に提供する地上通信セルを少なくとも一つ含む第1位置登録エリア、および、飛行する非地上基地局が地上に提供する非地上通信セルを少なくとも一つ含む第2位置登録エリアの重複エリアを特定する重複エリア特定部と、
前記重複エリア内の通信機が、前記地上基地局および前記非地上基地局の一方の基地局と接続されていることを検知する接続検知部と、
前記通信機が前記重複エリア内にいる間は、前記地上基地局および前記非地上基地局の一方の基地局から他方の基地局への当該通信機の接続先の変更を制限する接続変更制限部と、
を備える通信制御装置。 - 前記接続変更制限部は、前記重複エリア内の前記通信機から受信した前記他方の基地局への接続先の変更の要求を少なくとも一回拒否する、請求項1に記載の通信制御装置。
- 前記接続変更制限部は、前記重複エリア内の前記通信機に対して、前記他方の基地局が含まれる前記第1位置登録エリアおよび前記第2位置登録エリアの他方の位置登録エリアを遷移禁止エリアとして通知する、請求項1または2に記載の通信制御装置。
- 前記重複エリア内の通信機の接続先が前記一方の基地局から前記他方の基地局に変更された場合、前記一方の基地局への接続履歴情報を保持する接続履歴情報保持部と、
前記通信機の接続先の位置登録エリアが変更された際にエリア変更通知を生成するエリア変更通知部であって、前記重複エリア内の通信機の接続先が前記他方の基地局から前記接続履歴情報が保持されている前記一方の基地局に変更された場合はエリア変更通知を生成しないエリア変更通知部と、
を更に備える請求項1から3のいずれかに記載の通信制御装置。 - 前記非地上基地局は宇宙空間を飛行する通信衛星である、請求項1から4のいずれかに記載の通信制御装置。
- 地上に設置される地上基地局が地上に提供する地上通信セルを少なくとも一つ含む第1位置登録エリア、および、飛行する非地上基地局が地上に提供する非地上通信セルを少なくとも一つ含む第2位置登録エリアの重複エリアを特定する重複エリア特定部と、
前記重複エリア内の通信機の接続先が前記地上基地局および前記非地上基地局の一方の基地局から他方の基地局に変更された場合、前記一方の基地局への接続履歴情報を保持する接続履歴情報保持部と、
前記通信機の接続先の位置登録エリアが変更された際にエリア変更通知を生成するエリア変更通知部であって、前記重複エリア内の通信機の接続先が前記他方の基地局から前記接続履歴情報が保持されている前記一方の基地局に変更された場合はエリア変更通知を生成しないエリア変更通知部と、
を備える通信制御装置。 - 地上に設置される地上基地局が地上に提供する地上通信セルを少なくとも一つ含む第1位置登録エリア、および、飛行する非地上基地局が地上に提供する非地上通信セルを少なくとも一つ含む第2位置登録エリアの重複エリアを特定する重複エリア特定ステップと、
前記重複エリア内の通信機が、前記地上基地局および前記非地上基地局の一方の基地局と接続されていることを検知する接続検知ステップと、
前記通信機が前記重複エリア内にいる間は、前記地上基地局および前記非地上基地局の一方の基地局から他方の基地局への当該通信機の接続先の変更を制限する接続変更制限ステップと、
を備える通信制御方法。 - 地上に設置される地上基地局が地上に提供する地上通信セルを少なくとも一つ含む第1位置登録エリア、および、飛行する非地上基地局が地上に提供する非地上通信セルを少なくとも一つ含む第2位置登録エリアの重複エリアを特定する重複エリア特定ステップと、
前記重複エリア内の通信機が、前記地上基地局および前記非地上基地局の一方の基地局と接続されていることを検知する接続検知ステップと、
前記通信機が前記重複エリア内にいる間は、前記地上基地局および前記非地上基地局の一方の基地局から他方の基地局への当該通信機の接続先の変更を制限する接続変更制限ステップと、
をコンピュータに実行させる通信制御プログラム。 - 地上に設置される地上基地局が地上に提供する地上通信セルを少なくとも一つ含む第1位置登録エリア、および、飛行する非地上基地局が地上に提供する非地上通信セルを少なくとも一つ含む第2位置登録エリアの重複エリアを特定する重複エリア特定ステップと、
前記重複エリア内の通信機の接続先が前記地上基地局および前記非地上基地局の一方の基地局から他方の基地局に変更された場合、前記一方の基地局への接続履歴情報を保持する接続履歴情報保持ステップと、
前記通信機の接続先の位置登録エリアが変更された際にエリア変更通知を生成するエリア変更通知ステップであって、前記重複エリア内の通信機の接続先が前記他方の基地局から前記接続履歴情報が保持されている前記一方の基地局に変更された場合はエリア変更通知を生成しないエリア変更通知ステップと、
を備える通信制御方法。 - 地上に設置される地上基地局が地上に提供する地上通信セルを少なくとも一つ含む第1位置登録エリア、および、飛行する非地上基地局が地上に提供する非地上通信セルを少なくとも一つ含む第2位置登録エリアの重複エリアを特定する重複エリア特定ステップと、
前記重複エリア内の通信機の接続先が前記地上基地局および前記非地上基地局の一方の基地局から他方の基地局に変更された場合、前記一方の基地局への接続履歴情報を保持する接続履歴情報保持ステップと、
前記通信機の接続先の位置登録エリアが変更された際にエリア変更通知を生成するエリア変更通知ステップであって、前記重複エリア内の通信機の接続先が前記他方の基地局から前記接続履歴情報が保持されている前記一方の基地局に変更された場合はエリア変更通知を生成しないエリア変更通知ステップと、
をコンピュータに実行させる通信制御プログラム。
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KR1020237039773A KR20230170780A (ko) | 2021-06-03 | 2021-11-09 | 통신 제어 장치, 통신 제어 방법, 통신 제어 프로그램 |
CN202180098360.8A CN117322061A (zh) | 2021-06-03 | 2021-11-09 | 通信控制装置、通信控制方法、通信控制程序 |
US17/797,103 US20240188022A1 (en) | 2021-06-03 | 2021-11-09 | Connection change restriction in overlapping area of terrestrial network and non-terrestrial network |
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- 2021-11-09 WO PCT/JP2021/041156 patent/WO2022254744A1/ja active Application Filing
- 2021-11-09 US US17/802,963 patent/US20240196368A1/en active Pending
- 2021-11-09 WO PCT/JP2021/041154 patent/WO2022254742A1/ja active Application Filing
- 2021-11-09 EP EP21944236.5A patent/EP4351223A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09116949A (ja) * | 1995-10-16 | 1997-05-02 | N T T Ido Tsushinmo Kk | デュアルモード位置登録法 |
WO2000035234A1 (fr) * | 1998-12-07 | 2000-06-15 | Mitsubishi Denki Kabushiki Kaisha | Dispositif de communication mobile et systeme de communication mobile |
JP2010278886A (ja) | 2009-05-29 | 2010-12-09 | National Institute Of Information & Communication Technology | 地上/衛星共用携帯電話システムとそのシステム相互干渉軽減方法 |
Also Published As
Publication number | Publication date |
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JPWO2022254743A1 (ja) | 2022-12-08 |
KR20230170783A (ko) | 2023-12-19 |
EP4351240A1 (en) | 2024-04-10 |
KR20230170780A (ko) | 2023-12-19 |
JPWO2022254742A1 (ja) | 2022-12-08 |
JPWO2022254741A1 (ja) | 2022-12-08 |
KR20230170782A (ko) | 2023-12-19 |
WO2022254743A1 (ja) | 2022-12-08 |
JPWO2022254744A1 (ja) | 2022-12-08 |
EP4351223A1 (en) | 2024-04-10 |
WO2022254742A1 (ja) | 2022-12-08 |
US20240188022A1 (en) | 2024-06-06 |
EP4351219A1 (en) | 2024-04-10 |
WO2022254744A1 (ja) | 2022-12-08 |
US20240187969A1 (en) | 2024-06-06 |
US20240196368A1 (en) | 2024-06-13 |
KR20230170781A (ko) | 2023-12-19 |
EP4351218A1 (en) | 2024-04-10 |
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