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Although adaptive routing algorithms promise higher communication performance, as compared to deterministic routing algorithms, they suffer from the out-of-order packet delivery problem. In the context of Network on Chip, the area and computational overhead of ordering packets at the destination is high and may reverse any gain achieved through the use of adaptivity of the routing algorithm. In this...
We demonstrate a tunable optical delay element using wavelength conversion in a highly nonlinear fiber, dispersion compensating fiber, and optical phase conjugation. A continuous delay of up to 1.16-μs equaling >55,000 symbols at 50 Gb/s, for 100 Gb/s NRZ-DQPSK and 50 Gb/s NRZ-DPSK modulation formats, is demonstrated.
Dynamic reconfiguration for fine-grained architectures is still associated with significant reconfiguration costs. In this paper, a new placement algorithm is proposed to reduce the size of FPGA reconfiguration bitstream. The algorithm is modified on the existing placement algorithm within VPR. It introduces the CLBs configuration of the previous circuit into cost function to increase similarity of...
At the 22 nm node, we estimate that superior electrostatics and reduced junction capacitance in FinFETs may provide a 13~23% reduction in delay relative to planar FETs. However, this benefit is offset by enhanced gate-to-source/drain capacitance (Cgs) in FinFETs. Here, we measure FinFET Cgs capacitance at 22 nm-like dimensions and determine that, with optimization, the FinFET capacitance penalty can...
This paper focuses on TCP fairness over WLAN and proposes a new active queue management (TFBR) to solve the TCP unfairness between TCP upstream flows and downstream flows. The proposed TFBR modifies the drop tail, and controls the sender rate by setting the advertised receiver window of the packets in queue of the access point (AP) before executing drop tail program. The key point of the scheme is...
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