Abstract: A system for satellite communication including a plurality of nodes, each node including a ground terminal for communication with a satellite constellation, each ground terminal including a phased array antenna, each node being arranged to monitor a signal quality of a signal received by the ground terminal from the satellite constellation, the system being arranged to assign at most one node in the system to serve as a master node, the master node being arranged to obtain, for each node, the signal quality of the signal received by the ground terminal from the satellite constellation, assign, based on the signal quality, a node within the system to maintain communication with the satellite constellation, and hand over communication with the satellite constellation from a first node to a second node based on changes in the signal quality over time.

Abstract: A method for improving cross-polarization discrimination in a dual-polarized antenna array that includes antenna elements, each including at least two feeding ports to excite the antenna element with mutually independent signals having respective complex amplitudes.