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Based on Universal Mobile Telecommunications System (UMTS) wideband code division multiple access (WCDMA) technology, the mobile user objective system (MUOS) provides a wide range of wireless telecommunications services to the war fighter over geosynchronous satellites. As MUOS is a multiple beam system, it is of paramount importance for the user entry (UE) to select the best beam, which in turn requires...
S-band has been used for satellite telemetry, tracking and control (TT&C) applications for many years and more recently X-band has also been deployed. A theoretical design for a new dual S/X-band feed-system for a ground station with S-band transmit and receive capabilities and X-band receive capabilities is presented.
A novel array of microstrip elements has been developed for mobile satellite communications. The Cylindrical Patch Array (CPA) consists of 18 circularly-polarized microstrip patches, mounted around a conical surface. The radiating elements were modified to reduce their resonant size, thus allowing for a compact array. The array produces a high-gain beam which is electronically steered in azimuth for...
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