Chun Ling Wang

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The objectives of this study were to measure the anesthesiologists' knowledge and attitudes about OSA and assess the need for additional educational programs focusing on OSA. The Obstructive Sleep Apnea Knowledge and Attitude Questionnaire (OSAKA) developed by Helena Metal was translated into Chinese and distributed to anesthesiologists from Shandong(More)
This paper introduces an upper-layer protocol emulator especially designed for an SDR (software defined radio) prototype of IEEE 802.11g and Bluetooth. The software package is able to manage two SDR devices simultaneously and thus become a powerful tool in debugging SDR devices. With the multi-thread technology, it is straightforward to be upgraded to(More)
Channel estimation error impacts the performance of practical Orthogonal Space-Time block coded(OSTBC) MIMO system. The effective SNR loss is caused by the impact of imperfect channel knowledge. In this paper, we qualitatively analyze on the effective SNR loss, and derive a symbol error rate(SER) expression for PSK modulation scheme in MIMO Rayleigh channel(More)
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