# US 2020/0287618 A1 · Base station device, communication system and communication control method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0287618 A1 - Document ID: US20200287618A1 - Status: Published application - Kind: A1 - Application number: 16/753,109 - Filed: 2018-09-11 - Published: 2020-09-10 - Earliest claimed: 2017-10-04 - Assignees: Panasonic Intellectual Property Management Co., Ltd. - Applicants: Panasonic Intellectual Property Management Co., Ltd. - Inventors: Hideki KANEMOTO; Takeshi YASUNAGA; Ritsu MIURA - Web page: https://patentgrep.com/patent/US20200287618A1 ## CPC - H04B 7/18506: {Communications with or from aircraft, i.e. aeronautical mobile service} - H04B 7/0608: {Antenna selection according to transmission parameters} - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - H04W 4/90: Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS] - H04W 48/04: based on user or terminal location or mobility data, e.g. moving direction, speed - H04W 48/08: Access restriction or access information delivery, e.g. discovery data delivery (signalling during connection H04W76/00) - H04W 48/16: Discovering, processing access restriction or access information - H04W 72/046: {the resource being in the space domain, e.g. beams} - H04W 36/04: Reselecting a cell layer in multi-layered cells - H04W 84/06: Airborne or Satellite Networks (space-based or airborne stations H04B7/185) - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract According to the present application, a base station device is configured to manage a vertically-oriented cell and a ground cell with respective IDs used to identify each cell, to determine whether or not a counterpart terminal device is an aircraft terminal device for air-to-ground communication based on a terminal ID included in a message received therefrom, and to control communication with the counterpart terminal device such that, if the counterpart terminal device is an aircraft terminal device, the base station selects the vertically-oriented cell as a connection destination of the counterpart terminal device and transmits a connection instruction message including a cell ID of the vertically-oriented cell to the counterpart terminal device, otherwise, the base station selects the ground cell as a connection destination of the counterpart terminal device and transmits a connection instruction message including a cell ID of the ground cell to the counterpart terminal device. ## Claims ### Claim 1 A base station device for performing air-to-ground communication with an aircraft terminal device for air-to-ground communication placed in an aircraft and for performing ground-to-ground communication with a ground terminal device placed on a ground location, the base station device comprising: an air-to-ground communication device configured to perform communication with the ground terminal device by using a vertically-oriented antenna adapted for air-to-ground communication; a ground communication device configured to perform communication with the ground terminal device by using a horizontally-oriented antenna adapted for ground-to-ground communication; and a controller configured to manage a vertically-oriented cell formed by the vertically-oriented antenna and a ground cell formed by the horizontally-oriented antenna with respective IDs used to identify the vertically-oriented cell and the ground cell, and to control communication with a counterpart terminal device such that, if the counterpart terminal device is an aircraft terminal device, the controller causes the counterpart terminal device to connect to the vertically-oriented cell, otherwise the controller causes the counterpart terminal device to connect to the ground cell. ### Claim 2 (depends on 1) The base station device according to claim 1, wherein the controller is configured such that, when the ground communication device or the air-to-ground communication device receives a message transmitted from the counterpart terminal device, the controller determines whether the controller determines whether or not the counterpart terminal device is an aircraft terminal device. ### Claim 3 (depends on 1) The base station device according to claim 1, wherein the controller is configured such that, when the counterpart terminal device is an aircraft terminal device, the controller selects the vertically-oriented cell as a connection destination of the counterpart terminal device and transmits a connection instruction message including a cell ID of the vertically-oriented cell from the air-to-ground communication device to the counterpart terminal device. ### Claim 4 (depends on 1) The base station device according to claim 1, wherein the controller is configured such that, when the counterpart terminal device is not an aircraft terminal device, the controller selects the ground cell as a connection destination of the counterpart terminal device and transmits a connection instruction message including a cell ID of the ground cell from the ground-to-ground communication device to the counterpart terminal device. ### Claim 5 (depends on 1) The base station device according to claim 1, further comprising a network communication device configured to receive an emergency alert from an emergency alert delivery device via a core network, wherein the controller is configured such that, when the network communication device receives the emergency alert, the controller prevents the aircraft terminal device as the counterpart terminal device from connecting to the vertically-oriented cell. ### Claim 6 (depends on 1) The base station device according to claim 1, further comprising a network communication device configured to perform communication with a core network, wherein the controller is configured to prevent the aircraft terminal device as the counterpart terminal device from connecting to the vertically-oriented cell depending on volume of communication performed by the network communication device. ### Claim 7 A communication system comprising a base station device for performing air-to-ground communication with an aircraft terminal device for air-to-ground communication placed in an aircraft and for performing ground-to-ground communication with a ground terminal device placed on a ground location, wherein the base station device comprises: an air-to-ground communication device configured to perform communication with the ground terminal device by using a vertically-oriented antenna adapted for air-to-ground communication; a ground communication device configured to perform communication with the ground terminal device by using a horizontally-oriented antenna adapted for ground-to-ground communication; and a controller configured to manage a vertically-oriented cell formed by the vertically-oriented antenna and a ground cell formed by the horizontally-oriented antenna with respective IDs used to identify the vertically-oriented cell and the ground cell, and to control communication with a counterpart terminal device such that, if the counterpart terminal device is an aircraft terminal device, the controller causes the counterpart terminal device to connect to the vertically-oriented cell, otherwise the controller causes the counterpart terminal device to connect to the ground cell. ### Claim 8 (depends on 7) The communication system according to claim 7, wherein the base station device comprises a network communication device configured to receive an emergency alert from an emergency alert delivery device via a core network, wherein the controller is configured such that, when the network communication device receives the emergency alert, the controller prevents a or the aircraft terminal device from connecting to the vertically-oriented cell. ### Claim 9 A communication control method performed by a base station device for controlling communication with an aircraft terminal device for air-to-ground communication placed in an aircraft and a ground terminal device placed on a ground location, with regard to a connection destination thereof, the method comprising: managing a vertically-oriented cell formed by a vertically-oriented antenna and a ground cell formed by a horizontally-oriented antenna with respective IDs used to identify the vertically-oriented cell and the ground cell, and controlling communication with a counterpart terminal device in such a manner that, if the counterpart terminal device is an aircraft terminal device, causing the counterpart terminal device to connect to the vertically-oriented cell, otherwise causing the counterpart terminal device to connect to the ground cell. ### Claim 10 (depends on 9) The communication control method according to claim 9, wherein, when the base station device receives an emergency alert from an emergency alert delivery device via a core network, communication with the counterpart terminal device is controlled so as to prevent a or the aircraft terminal device from connecting to the vertically-oriented cell.