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Due to the growing demand of transmission capacity of the wireless communication system, multiple-input multiple-output orthogonal-frequency-division-multiplexing (MIMO-OFDM) communication system requires more and more MIMO antennas and a large number of OFDM subcarriers. Thus, the QR decomposition becomes one of the computational bottlenecks in the QR-based MIMO detection. The proposed Givens-Rotation-based...
Hummingbird algorithm is a newly proposed lightweight cryptographic algorithm targeted for low-cost RFID tag. In this paper, we present a hardware implementation of this algorithm using SMIC0.13 μm CMOS process. Methods are used to reduce the unnecessary clock toggling and data toggling to reduce dynamic power. Simulation results show that the total area of our design is 14,735 μm2. It requires 16...
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