Abstract: Expansion compensation structures for an antenna are disclosed. In one embodiment, the antenna comprises: an array of antenna elements; and a structure coupled to the array of antenna elements, the structure having a plurality of components comprising materials having different coefficients of thermal expansion (CTEs), wherein first and second components of the plurality of components are pin bonded with one or more pins, and one or more components of the plurality of components other than the first and second components are between the first and second components and have one or more slots through which the one or more pins traverse and have CTEs different than CTEs of the first and second components.

Abstract: A beam splitting hand off systems architecture and method for using the same are disclosed. In one embodiment, the method comprises: generating a first beam with a single electronically steered flat-panel antenna to track a first satellite; generating a second beam with the single electronically steered flat-panel antenna to track a second satellite simultaneously while generating the first beam to track the first satellite; and handing off traffic from the first satellite to the second satellite.

Abstract: An antenna having a wedge plate-based waveguide with feed segmentation and a method for using the same are disclosed. In one embodiment, the antenna comprises an aperture having an array of radio-frequency (RF) radiating antenna elements and a segmented wedge plate radial waveguide comprises a plurality of wedge plates that form a plurality of sub-apertures, wherein each sub-aperture includes one wedge plate and a distinct subset of RF radiating antenna elements in the array, wherein each wedge plate of the plurality of wedge plates has a feed point to provide a feed wave for propagation through said each wedge plate for interaction with its distinct subset of RF radiating antenna elements in the array.

Abstract: A scanning antenna includes a transmission and/or reception region including a plurality of antenna units and a non-transmission and/or reception region other than the transmission and/or reception region.

Abstract: A method and apparatus for uplink power control based on power spectral density are disclosed. In one embodiment, the method for use by a terminal in a satellite communication system, the terminal having an antenna, a modem and a controller, the method comprising: determining the scan and skew of the antenna; obtaining, using the controller, a value representing a maximum allowed Power Spectral Density (PSD) for the determined scan and skew; determining, using the controller, a maximum allowable modem power based on the value representing a maximum allowed PSD, where the maximum allowable modem power is that which ensures that transmissions from the terminal do not exceed the maximum allowed PSD if the maximum allowable modem output power is not exceeded by the modem; sending, using the controller, an indication of the allowable modem output power to the modem; and performing one or more transmissions from the terminal based on modem outputs in accordance with the maximum allowable modem output power.

Abstract: Multiband guiding structures for antennas and methods for using the same are described. In one embodiment, an antenna comprises: an antenna aperture with radio-frequency (RF) radiating antenna elements; and a center-fed, multi-band wave guiding structure coupled to the antenna aperture to receive a feed wave in two different frequency bands and propagate the feed wave to the RF radiating antenna elements of the antenna aperture.

Abstract: A multi-wide area network (WAN) incorporating both satellite-based communication networks and cellular networks (e.g., an LTE network) is disclosed.

Abstract: Techniques for motion mitigation for uplink power control are disclosed. In one embodiment, a method for use in a satellite communication system comprises: generating a power margin associated with motion of an antenna of a satellite terminal; and generating a first power limit representing a maximum transmit power for the antenna based, at least in part, on the power margin.

Abstract: An apparatus for exchanging liquid crystal (LC) between two areas of an antenna array and method for using the same are disclosed. In one embodiment, the antenna comprises an antenna element array having a plurality of radiating radio-frequency (RF) antenna elements formed using portions of first and second substrates with a liquid crystal (LC) therebetween, and a structure between the first and second substrates and outside the area of the RF antenna elements to collect LC from an area between the first and second substrates forming the RF antenna elements due to LC expansion.

Abstract: Multiband guiding structures for antennas and methods for using the same are described. In one embodiment, an antenna comprises: an antenna aperture with radio-frequency (RF) radiating antenna elements; and a center-fed, multi-band wave guiding structure coupled to the antenna aperture to receive a feed wave in two different frequency bands and propagate the feed wave to the RF radiating antenna elements of the antenna aperture.

Abstract: A method and apparatus for electrical addressing for an antenna (e.g., a metamaterial radio-frequency (RF) antenna are described. In one embodiment antenna comprising: a plurality of radio-frequency (RF) radiating antenna elements located in a plurality of rings; and matrix drive circuitry coupled to the plurality of RF radiating antenna elements to drive the antenna elements, wherein the matrix drive circuitry to uniquely address each of the antenna elements using a matrix of a plurality of rows and a plurality of columns with a non-grid-based addressing structure.

Abstract: A method and apparatus for testing an antenna are described.

Abstract: Methods and apparatuses for communicating in a satellite communication framework with spatial diversity are described. In one embodiment, a method for controlling communication in a satellite communication network having multiple constellations and a satellite terminal with a single electronically steered flat-panel antenna capable of generating a plurality of beams for communication links with multiple satellites, comprises: determining, under network control, availability of a plurality of networks by which network traffic may be exchanged with the single electronically steered flat-panel antenna; and managing, under network control, two or more satellite links between the single electronically steered flat-panel antenna and two or more satellites of different networks to route the network traffic, including determining when to use each of the two or more satellite links, the two or more satellite links being generated using two or more beams from the single electronically steered flat-panel antenna.

Abstract: A method and apparatus for differentiated service offerings based on a geo-location are disclosed. In one embodiment, the method comprises: receiving geo-location information from a plurality of remote devices; generating one or more events in response to determining that the geo-location information for each remote device of the plurality of remote devices indicates that said each remote device has entered or exited one of a set of one or more geo-fences; and triggering an action with respect to said each remote device, the action for managing at least one service for said each remote device based on geo-location of the one or more remotes, including determining a level of service and/or type of service for said each remote based on its respective geo-location.

Abstract: An antenna has radio-frequency (RF) antenna elements and two substrates. A heater structure is connected to at least one of the two substrates, for heating the RF antenna elements. In one embodiment, the antenna comprises: a physical antenna aperture having an array of radio frequency (RF) antenna elements formed with patch and iris substrates, the iris substrate having a plurality of layers including an iris metal layer; and a heater structure coupled to one or more of the plurality of layers of the iris substrate for heating the RF antenna elements.

Abstract: A method and apparatus for performing satellite signal acquisition are described. In one embodiment, a method for using a satellite antenna comprises estimating antenna orientation when the antenna is in motion, including estimating yaw using one or more sensors; and performing signal acquisition to search for a satellite signal with the satellite antenna by interleaving a plurality of signal searches performed by the satellite antenna, the plurality of signal searches being based on an estimated yaw.

Abstract: A method and apparatus for using Euclidean modulation in an antenna are disclosed. In one embodiment, a method for controlling an antenna comprises mapping a desired modulation to achievable modulation states, mapping modulation values associated with the achievable modulation states to one or more control parameters, and controlling radio frequency (RF) radiating antenna elements using the one or more control parameters to perform beam forming.

Abstract: A single-layer Wide Angle Impedance Matching (WAIM) and method for using the same are described. In one embodiment, the antenna comprises: an aperture having a plurality of antenna elements operable to radiating radio-frequency (RF) energy; and a single-layer wide angle impedance matching (WAIM) structure coupled to the aperture to provide impedance matching between the antenna aperture and free space.

Abstract: Modular antennas with high instantaneous bandwidth are described. In one embodiment, an antenna comprises a plurality of antenna modules tiled together and configured to form one metasurface antenna with an array of surface scattering metamaterial antenna elements; and a feed network comprising a plurality of feed points coupled to the plurality of antenna modules to supply the modules with a feed wave.

Abstract: An apparatus is disclosed herein for a cylindrically fed antenna and method for using the same. In one embodiment, the antenna comprises: an antenna feed to input a cylindrical feed wave; a first layer coupled to the antenna feed and into which the feed wave propagates outwardly and concentrically from the feed; a second layer coupled to the first layer to cause the feed wave to be reflected at edges of the antenna and propagate inwardly through the second layer from the edges of the antenna; and a radio-frequency (RF) array coupled to the second layer, wherein the feed wave interacts with the RF array to generate a beam.