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Hypertext transfer protocol (HTTP) adaptive streaming (HAS) plays a key role in mobile video transmission. Considering the multi-segment and multi-rate features of HAS, this paper proposes a buffer-driven resource management (BDRM) method to enhance HAS quality of experience (QoE) in mobile network. Different from the traditional methods only focusing on base station side without considering the buffer,...
This paper presents a novel technique of context-based adaptive arithmetic coding of the quantized MDCT coefficients and frequency band gains in audio compression. A key feature of the new technique is combining the context model in time domain and frequency domain, which used for the quantized norms' and MDCT coefficients' probability. With this new technique, we achieve a high degree of adaptation...
This paper proposes a low power, low voltage Truly Random Number Generator (TRNG) for EPC Gen2 RFID tag. According to the special requirements of Gen2 tag, design considerations and tradeoffs among chip area, power consumption and randomicity are presented. The proposed TRNG is composed of an analog random seed generator which uses the oscillator sampling mechanism, and Linear Feedback Shift Registers...
In this paper, a weighted reconstruction method for the prediction-compensated multiple description coding (PC-MDC) with two descriptions is proposed. Different from the original PC-MDC, where the redundant data are simply discarded when both descriptions are received, we use a weighted average of all available data to recover the signal. The closed form solution of the optimal weighting factors and...
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