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This study presents a single-loop, third-order, low-power, high-precision, switched-capacitor delta sigma modulator (DSM) for a portable electrocardiogram (ECG) acquisition device. Several techniques, including modified feedforward structure, gain-enhanced current mirror operational transconductance amplifier (OTA), and dynamic comparator, are adopted to improve signal-to-noise ratio (SNR) and reduce...
This paper investigates simultaneous wireless information and power transfer (SWIPT) in $K$-user multiple-input multiple-output (MIMO) interference channels. In particular, the power splitting (PS) technique is leveraged at each receiver to divide the received signal into two flows, for information decoding (ID) and energy harvesting (EH), respectively. As a whole system, our objective is to minimize...
This paper focuses on the simultaneous wireless information and power transfer (SWIPT) in coordinated multi-cell networks. In particular, the considered system has a location-aware feature, i.e., the conventional coordinated multi-point (CoMP) information transmission is available to the cell-edge users; meanwhile, the emerging wireless power transmission is available to the cell-center users. Subject...
In this paper, we investigate the simultaneous wireless information and power transfer (SWIPT) in multi-user multiple-input multiple-output (MIMO) interference networks. In this system, each transmitter sends one data stream to its targeted receiver through beamforming, while each receiver divides the received signal into two signal flows via power splitting (PS), for information decoding (ID) and...
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