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Power amplifier is the key component in wireless transceiver and its realization and integration in standard CMOS technology is essential for the efficient and cost effective wireless SoCs. In this work, we present a fully integrated differential power amplifier operating at 2.45 GHz realized in 0.18 ??M RF CMOS process. The designed power amplifier has a built in capability to modulate the base band...
We study superposition coded modulation (SCM) with iterative linear minimum-mean-square-error (LMMSE) detection. We show that SCM offers an attractive solution for highly complicated transmission environments with severe interference. We analyze the impact of signaling schemes on the performance of iterative LMMSE detection. We prove that among all possible signaling methods, SCM maximizes the output...
In this paper, we study the iterative detection problem for a coded system with multi-ary modulation. We show that, with iterative linear minimum-mean-square-error (LMMSE) detection, superposition coded modulation (SCM) can provide performance superior to that with other traditional signaling schemes used in trellis coded modulation (TCM) and bit-interleaved coded modulation (BICM). This finding provides...
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