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This paper presents VLSI design for sound-source localization by computing time difference of arrival (TDOA). Real-time computation yet few logic element consumption are targeted for this architecture. This system supports to recognize sound direction in 3 dimensional space by utilizing 4 sound sensors. In order to determine sound direction, we propose efficient cross-correlation method for TDOA computation...
The implementation of complex signal processing algorithms are required to achieve robust transmission, whereas mobile wireless application require low power dissipation. This paper describes an algorithm and a corresponding hardware architecture for the implementation of OFDMA 802.16e channel estimation. The advantage of the proposed architecture are low power and efficient resource utilization since...
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