A Distributed Unit (DU) (2) of a base station sends a first message to a Central Unit (1) of the base station in response to detecting initiation of a conditional mobility of a radio terminal (3) from a first cell served by the DU (2) to a second cell. It is thus for example possible to allow a Central Unit (CU) to be aware of satisfaction of an execution condition of a conditional mobility (or initiation of the conditional mobility).

Aspects of the present disclosure relate to wireless communications, and more particularly, to procedures for supporting conditional new radio (NR) secondary node (SN) addition and change by reusing conditional handover (CHO) procedures. In some aspects, the procedures include a method for wireless communications by a master node (MN), comprising identifying a set of candidate cells for a conditional addition or change as an SN for a UE based on execution criteria, and signaling configuration information regarding the set of candidate cells to the UE.

This invention relates to an Open Wireless Architecture (OWA) unified airborne and terrestrial communications architecture providing optimal high-speed connections with open radio transmission technologies (RTTs) between aircrafts and ground cells, and between different aircrafts in Ad-Hoc or Mesh network group, to construct the multi-dimensional unified information delivery platform across the airborne networks and the terrestrial networks wherein the same OWA mobile device or OWA mobile computer can be used seamlessly and continuously both in the aircrafts and on the ground.

Presented are systems and methods for configuring unmanned aerial vehicle (UAV) service in inter-system and intra-system with inter-radio access technology (RAT). A wireless communication node may send a first message requesting a handover from the first wireless communication node to a second wireless communication node. The first message may include one or more configuration containers. The one or more configuration containers may include various information associated with a terminal service. The first wireless communication node and the second wireless communication node may correspond to respectively different Radio Access Technologies (RATs).

Aspects of the subject disclosure may include, for example, identifying a plurality of cells that are located within a threshold distance from a planned flight trajectory of an aerial UE, determining, for each cell of the plurality of cells, a height threshold previously defined for that cell, resulting in a plurality of height thresholds, for each of one or more altitudes or one or more altitude time series, estimating a number of handovers or a frequency of handovers that might be triggered for the aerial UE due to height-based handover events along the planned flight trajectory, wherein the estimating is based on the plurality of height thresholds, based on the estimating, selecting a particular altitude or a particular altitude time series for the aerial UE, resulting in a selection, and causing the aerial UE to conduct a flight in accordance with the selection. Other embodiments are disclosed.

Aspects of the subject disclosure may include, for example, identifying a plurality of cells that are located within a threshold distance from location(s) in a designated area, for each cell, defining a respective height threshold that is less than a determined minimum supported aerial UE altitude, based on detecting that an aerial UE has transmitted, to a serving cell, a height-based measurement report that includes information regarding neighboring cells, obtaining data regarding height thresholds associated with the neighboring cells, wherein one or more of the neighboring cells is included in the plurality of cells, determining that each of the one or more of the neighboring cells has a height threshold that is less than the determined minimum supported altitude, and performing an action to prevent each of the one or more of the neighboring cells from being a handover target cell for the aerial UE. Other embodiments are disclosed.

Embodiments provide efficient multicast handover for content delivery to client devices in multi-carrier communications systems. For example, client devices in a transport craft can consume a media channel offering via a first carrier during transport through the communications system. Embodiments can establish respective multicast groups for the media channel offering in at least the first carrier and a subsequent second carrier, and can notify the craft of the multicast groups prior to the craft being serviced by the second carrier. Such pre-notification can permit multicast handover of the media channel offering from the first carrier to the second carrier in a manner that avoids typical handover-related. For example, embodiments can direct multicast delivery of the media channel offering to the craft in accordance with the first multicast group while being serviced by the first carrier and in accordance with the second multicast group while being serviced by the second.

Systems and methods are provided to administer a wireless telecommunication network (WTN) having a plurality of cell sites. Network data is received from a data source for a subject cell site. A baseline performance of the subject cell site is determined. Parameters to optimize for the subject cell site based on the baseline performance are identified. An uplink (UL) transmission power of the subject cell site based on a VoLTE drop call rate is adjusted. A downlink (DL) transmission power of a cell specific reference signal (CRS) of the subject cell site is adjusted. A handover operation between the subject cell site and a second cell site is adjusted. A transmission range of the subject cell site is adjusted.

Embodiments describe a communication system optimized for low latency and includes one or more high altitude platforms disposed at intervals in data communication with each other forming a communication path and at least two network centers separated from each other by a predetermined distance, where the high altitude platforms receive data signals from the network centers, travel along a communication path between the network centers, forming a data relay and transferring the data signals along the communication path. Additional embodiments may include intervals that are at different altitudes or different distances and/or provide one or more high altitude platforms that comprise at least one of satellites, high altitude balloons, or unmanned aerial vehicles.

Aspects described herein relate to a network for providing air-to-ground wireless communication in various cells. The network includes a first base station array, each base station of which includes a respective first antenna array defining a directional radiation pattern that is oriented in a first direction, wherein each base station of the first base station array is disposed spaced apart from another base station of the first base station array along the first direction by a first distance. The network also includes a similar second base station array where the second base station array extends substantially parallel to the first base station array and is spaced apart from the first base station array by a second distance to form continuous and at least partially overlapping cell coverage areas between respective base stations of the first and second base station arrays.