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Considering lack of comparative studies on Ping-pong movement, comprehensive evaluations were carried out to estimate the impact of layer-3 handoff latency on End-to-End TCP for mobile IPv6 and its extensions. Results show that FHMIPv6, which has 273ms overall handoff delay, 93.867 Kbytes/s average goodput and 9.125% packet loss rate, performs better than HMIPv6 and FMIPv6 frameworks under Ping-pong...
By studying the best-path problem for public transportation systems, we found that the nature of transfer is that it requires extra costs from an edge to its adjacent edge. Therefore, we propose the notion of direct/indirect adjacent edges in weighted directed multigraphs and extend the notion of path to the line. We use the direct/indirect adjacent edges weighted directed multigraph as a public transportation...
RF subsampling can be used by radio receivers to directly down convert and digitize RF signals. The goal of software-defined radio (SDR) design is to place analog-to-digital converter (ADC) as near the antenna as possible. Based on this, an RF subsampling frontend (FE) for SDR is designed and verified by a hardware platform. The effects of timing jitter, ADC resolution, and folding noise dominating...
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