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The problem of slow convergence speed exists in the correlation-based digital background calibration techniques for the pipeline ADC. The proposed improved techniques reduce the signal-dependent interference amplitude by clipping MSBs off the ADC output. Meanwhile, the exponential averager is introduced into the LMS iteration. These means can not only calibrate capacitors mismatch in MDACs and the...
There may exist multi-path between the source node and the destination node in asymmetric wireless networks. By calculating the throughput, this paper proposes a new method which determines whether to use different paths to transmit TCP data segment and ACK segment. This method uses bandwidth as criteria for judging, and selects the path having lager bandwidth to forward ACK. Simulation result shows...
Research into the performance issues of TCP over wireless networks has been the focus of much attention in recent years. In this paper, based on TCP Reno, an improved TCP congestion control algorithm named TCP-RQB is proposed in mixed wired/wireless networks. To apply the algorithm into a TCP enhancement scheme, the ratio of the number of queuing packets to the buffer size in bottleneck link is estimated...
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