Patent classifications
H04W84/06
NON TERRESTRIAL NETWORK NTN HANDOVER METHOD, DEVICE AND STORAGE MEDIUM
Embodiments of the present application provide a non terrestrial communication network NTN handover method, a device, and a storage medium; and the method includes: a terminal device measuring channel measurement parameters and location measurement parameters of a current serving cell and at least one first adjacent cell; the terminal device sending the measurement results of the current serving cell and at least one second adjacent cell to a network device; where the second adjacent cell is an adjacent cell which satisfies a measurement reporting condition; where the measurement results are configured to instruct the network device to determine a target cell to be handed over for the terminal device; and the terminal device performs handover according to a handover command received, where the handover command is configured to instruct the terminal device to perform handover from the current serving cell to the target cell.
Bandwidth Part and Transmission Configuration Indication Switching in Non-Terrestrial Networks
A wireless device may establish communication with a network node and determine a relationship between transmission configuration indication (TCI) and bandwidth part (BWP). The wireless device may then receive an indication of one of TCI or BWP from the network node followed by determining the other of TCI or BWP based on the indication and using the relationship between the TCI and BWP. Finally, the wireless device may perform downlink communication using the indicated one of TCI or BWP and determined other TCI or BWP. The network node may be comprised in a non-terrestrial network and may specify via RRC signaling the relationship between TCI and BWP for the wireless device. The indication of the TCI or BWP may be provided by downlink control information (DCI), medium access control (MAC) control element (CE), an inactivity timer, or RRC reconfiguration commands.
METHOD OF DETERMINING LOCATION FOR SWARM FLIGHT USING UWB
Proposed is a method of determining a location for swarm flight using UWB, the method including: computing a reference location from GPS information in a case where the location is measured; sending out a pulling signal, preset according to a two-way ranging format, according to slave ranging scheduling corresponding to each formation, and receiving a pushing signal from a neighboring flight vehicle and performing ranging; computing a relative location in the formation on a master-slave basis from a ranged pull-push relationship using TWR time information, and computing the relative location in the formation on a slave-slave basis using a received signal strength indicator and time of arrival; generating a fingerprint map in a manner that varies with each formation, using all the computed relative locations in the formation on the master-slave basis; and computing the location of the swarm flight vehicle using the generated fingerprint map.
METHOD AND APPARATUS FOR DETERMINING AND APPLYING TIMING ADVANCE IN COMMUNICATION SYSTEM
The disclosure relates to a communication technique for converging IoT technology with 5G communication systems designed to support a higher data transfer rate beyond 4G systems, and a system therefor. Provided is a method for operation of a user equipment and a base station in a wireless communication system, including identifying a timing advance (TA) value for transmitting an uplink signal and transmitting the uplink signal, with the TA value identified based on a first value, a second value, and a third value N.sub.TA. The first value is based on a random access response or a timing advance medium access control control element, the second value is derived from higher layer parameters, and the third value is obtained by the UE based on a position of the UE and a position of a satellite connected to the UE.
METHOD AND APPARATUS FOR REAL TIME UAV CONNECTION MONITORING AND LOCATION REPORTING
In a method of real-time network monitoring and location updating, a location report is received by an unmanned aerial system application enabler (UAE) server from a location management (LM) server. The location report indicates location information of a user equipment (UE). A first network event notification associated with the UE is received by the UAE server from a network resource management (NRM) server. The first network event notification indicates a connection status of the UE with a network. In response to detecting a re-connected status of the UE, a second networking event notification is received by the UAE server from the NRM server. The second networking event notification indicates that the UE reconnects to the network. Further, (i) the second networking event notification, (ii) an identity of the UAE server, and (iii) most recently updated location information of the UE from the LM server are recorded by the UAE server.
DYNAMIC ROAMING FOR AIRCRAFT DATA TRAFFIC CONNECTIVITY BETWEEN COMMUNICATION NETWORKS BASED ON PERFORMANCE MEASUREMENTS
A broadband communication system provides broadband communication services onboard an aircraft. The broadband communication system includes a satellite communication transceiver, a direct air-to-ground communication (DA2GC) transceiver, and a controller. The satellite communication transceiver is configured to communicate directly with a target satellite providing a satellite communication data pathway with a satellite ground station connected to ground networks. The DA2GC transceiver is configured to communicate directly with a DA2GC ground station providing an DA2GC data pathway with the ground networks. The controller is configured to control handoff between the satellite communication transceiver and the DA2GC transceiver for data communications between the broadband communications system and the ground networks, based on performance of at least one of the satellite communication data pathway and the DA2GC data pathway.
Communication device, method, and program
To provide a communication device capable of further improving the quality between wireless links in a communication system in which a base station device and a communication device communicate with each other. Provided is a communication device configured to be capable of floating in the air, the communication device including a control unit that receives information regarding interference with a first communication device from a second communication device, the first communication device being not a communication partner, the second communication device being the communication partner, and controls transmission on the basis of the information regarding the interference and of an altitude of the communication device.
User equipment for satellite communication
Disclosed is a user equipment for satellite communication, comprising one or more processing circuits configured to execute the following operations: evaluating a transmission power requirement for a user equipment to communicate with a satellite; and assisting, via an auxiliary device, the user equipment in executing at least part of the communication with the satellite when the transmission power constraint of the user equipment fails to meet the transmission power requirement, wherein the processing circuits are further configured to acquire, via the satellite, a communication mode to be switched to, and the processing circuits transmit, to the satellite, a notification indicating that a current communication mode needs to be switched, with the notification comprising information indicating the need to switch to a communication mode that meets the transmission power requirement.
User equipment for satellite communication
Disclosed is a user equipment for satellite communication, comprising one or more processing circuits configured to execute the following operations: evaluating a transmission power requirement for a user equipment to communicate with a satellite; and assisting, via an auxiliary device, the user equipment in executing at least part of the communication with the satellite when the transmission power constraint of the user equipment fails to meet the transmission power requirement, wherein the processing circuits are further configured to acquire, via the satellite, a communication mode to be switched to, and the processing circuits transmit, to the satellite, a notification indicating that a current communication mode needs to be switched, with the notification comprising information indicating the need to switch to a communication mode that meets the transmission power requirement.
Interference reduction in heterogenous terrestrial/aerial, networks
Aspects of the subject disclosure may include, for example, an aerial base station determining operating frequencies of terrestrial base stations, and taking one or more actions to reduce the potential for interference between the aerial base station and the terrestrial base stations. Actions taken by the aerial base station may include changing frequency, changing altitude, changing location, and changing transmit power. Other embodiments are disclosed.