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This paper presents a configurable multi-mode QR decomposition (QRD) processor. It supports 4×4 and 8×8 QRD with multi-layer sorting for single-user MIMO precoding. Besides, it can perform block-based sorting for multi-user MIMO precoding. Both forward mode for decomposition and backward mode for signal precoding are provided. This QRD processor is designed in pipelined systolic array. An in-place...
A new gate controlled bipolar transistor is introduced in this paper which combines the lateral and vertical bipolar effect in standard NMOS device in a 90 nm triple well process technology. A current gain of more than 200, cut off frequency of about 7 GHz, and lower flicker noise compared with CMOS devices were achieved without any change to process and/or introduction of any extra masking step....
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