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Software Radio (SR) is an emerging paradigm of the wireless communication system design due to its flexibility and adaptability. However, the implementation of SR platform is always challenging, especially for high date rate transmission such as up to 1Gbps. Although general-purpose processor(GPP) based SR platform can take full advantages of Software Radio, the performance is often limited due to...
This paper describes a comparative analysis between two topologies of operational amplifiers to design a 40 MS/s 12-bit pipeline analog to digital converter (ADC). The analysis includes AC and transient simulation to select the proper topology. This ADC is implemented in a 0.35 mum AMS CMOS technology with 3.3 V single power supply. The capacitors and selected operational amplifiers were scaled for...
Considering the high packet losses and low, varying bandwidth of GPRS/EDGE network and limited computation power of handheld devices, we present and implement a novel SVC video-on-demand system for hand-held devices over GPRS/EDGE network. For the purpose of handling varying bitrate, we propose a priority based layer switching (PLS) adaptation scheme for SVC stream, which not only performs online...
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