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Digital circuit designs in sub-threshold region have been studied in recent years. Their works focus on special purpose for some digital applications in low frequency. This paper proposed modeling analysis of each CMOS logic cell operating at sub-threshold region. We explore the delays and power dissipation of logic cell and make scaled factors mapping from typical voltage to sub-threshold voltage...
This paper presents a VLSI implementation of a high throughput MIMO-OFDM system in wireless communications. We explore the optimum parameters in a new packet OFDM frame by expanding the IEEE802.11a standard. The proposed system provides a maximum of 600 Mbps by use of an 80-MHz baseband bandwidth and a 2 times 2 MIMO scheme. The proposed system is implemented into hardware according to a full-pipelined...
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