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We consider the design of a multi-input multi-output (MIMO) transmission system equipped with distributed, single-antenna amplify-and-forward relays. In particular, we consider how to optimize the complex forwarding coefficients of the relays to maximize the system capacity. Existing studies on MIMO relay network designs mostly concentrate on the case of single relay with multiple antennas, whose...
A very important quality factor of a transponder is its threshold field strength which is a result of the performance of the integrated circuit (IC) and the loop antenna. This is very important for near field communication (NFC) applications to ensure a fast and reliable communication between the active device and the transponder with a minimum of battery power. In this paper a new approach using...
An antenna-in-package (AiP) design offers an elegant antenna solution to modern single-chip RF transceivers. The AiP design that integrates an antenna or antennas with a single-chip RF transceiver die into a standard surface mounted device represents an innovative and important development in the miniaturization of radio systems in recent years. In this paper, we present a novel AiP design in low...
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