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The RC delay, electro migration (EM) and TDDB performance become more challenges to meet device requirement as continuous geometry shrink on BEOL dual damascene interconnects. To overcome these challenges from interconnect patterning point of view, we proposed Cu subtractive RIE as a potential solution for next generation Cu/Low-k interconnects.
Adaptive-modulation transceivers have been widely used in wireless communications nowadays. The tradeoff between symbol error rate and data rate can be tuned by adjusting the constellation size. In this paper, we propose a constellation subset selection (CSS) approach and design the novel efficient approximation algorithms to tackle the CSS problems. The approximation ratios for these algorithms are...
Orthogonal frequency division multiplexing (OFDM) is a prevalent telecommunication technology to mitigate the common multi-path problem and it is widely adopted with high-order modulations such as quadrature amplitude modulation (QAM) in many communication systems. However, uncoded OFDM systems have a serious drawback of high peak-to-mean-envelope-power ratio (PMEPR). On the other hand, coded OFDM...
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