Rate-based congestion control in ATM switching networks using a recursive digital filter

Tan, Liansheng; Pugh, A.C.; Yin, Min

doi:10.1016/s0967-0661(03)00049-2

Cited by 20 publications

(5 citation statements)

References 15 publications

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“…Based on the preceding Characteristic Equation and Tan et al [2003], when ε < 1/(τ * n q + 2) all the zeros of (7) lie within the unit disc, and the original network system (1) with the controller (2) is stable.…”

Section: Control Gain Selectionmentioning

confidence: 99%

An adaptive and predictive approach for autonomic multirate multicast networks

Xiong

Vasilakos

Yang

et al. 2011

ACM Trans. Auton. Adapt. Syst.

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Autonomic communications aim at easing the burden of managing complex and dynamic networks, and designing adaptive, self-turning and self-stabilizing networks to provide much needed flexibility and functional scalability. With the ever-increasing number of multicast applications made recently, considerable efforts have been focused on the design of adaptive flow control schemes for autonomic multicast services. The main difficulties in designing an adaptive flow controller for autonomic multicast service are caused by heterogeneous multicast receivers, especially those with large propagation delays, since the feedback arriving at the source is somewhat outdated and can be harmful to the control operations.To tackle the preceding problem, this article describes a novel, adaptive, and autonomic multicast scheme, the so-called Proportional, Integrative, Derivative plus Neural Network (PIDNN) predictive technique, which consists of two components: the Proportional Integrative plus Derivative (PID) controller and the Back Propagation BP Neural Network (BPNN). In this integrated scheme, the PID controllers are located at the next upstream main branch nodes of the multicast receivers, and have explicit rate algorithms to regulate the receiving rates of the receivers; while the BPNN is located at the multicast source, and predicts the available bandwidth of those longer delay receivers to compute the expected rates of the longer delay receivers. The ultimate sending rate of the multicast source is the maximum of the aforesaid receiving rates that can be accommodated by its participating branches. This network-assisted property is different from the existing control schemes, in that the PIDNN controller can release the irresponsiveness of a multicast flow caused by those long propagation delays from the receivers. By using BPNN, this active scheme makes the control more responsive to the receivers with longer propagation delay. Thus the rate adaptation can be performed in a timely manner, for the sender to respond to network congestion quickly. We analyze the theoretical aspects of the proposed algorithm, show how the control mechanism can be used to design a controller to support multirate multicast transmission based on feedback of explicit rates, and verify this matching using simulations. Simulation results demonstrate that the proposed PIDNN controller avoids overflow of multicast traffic, and performs better than the existing scheme PNN [Tan et al, 2005] and the multicast schemes based on control theory. Moreover, it also performs well in the sense that it achieves high link utilization, quick response, good scalability, high unitary throughput, intra-session fairness and inter-session fairness.

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Section: Control Gain Selectionmentioning

confidence: 99%

An adaptive and predictive approach for autonomic multirate multicast networks

Xiong

Vasilakos

Yang

et al. 2011

ACM Trans. Auton. Adapt. Syst.

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“…Examples of such filter architectures are digital filters. Digital filtering is employed in a vast cluster of applications such as voice encoding/decoding [4], image processing [5], control systems [6], data compression [7], and telecommunications [8], to name a few. While many filtering tasks use digital signal processing, continuous-time filters are still important.…”

Section: Introductionmentioning

confidence: 99%

CMOS Analog Filter Design for Very High Frequency Applications

et al. 2020

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A design strategy for the synthesis of high-selectivity/low-order analog filters in Complementary Metal-Oxide-Semiconductor (CMOS) technology for very high frequency (VHF) applications is presented. The methodology for the reconstitution of a given transfer function by means of Signal Flow Graphs (SFG) manipulation in canonical form is proposed leading to a fully differential g m -C biquad filter. As a practical example, the design of a notch filter intended to suppress interferers in the lower sideband (400 MHz) of the Medical Implant Communication Service (MICS), in single-poly, 6-metal layers; Mixed-Signal/RF 0.18 µm CMOS technology is realized. To compare the performance of the proposal with some other solution, the design of a 7th order elliptic notch filter based on Frequency Dependent Negative Resistors (FDNRs) was also accomplished. The attained simulation results prove that the proposal is competitive compared to the FDNR solution and some other state-of-the-art filters reported in the literature. The most salient features of the proposed notch biquad include: the selectivity, whose value is comparable to that of a 7th order elliptic approach and some other 3rd order filters; a high-frequency operation without resonators; linearity, with a +15 dBm I I P 3 ; a reduced form factor with a total occupied area of 0.004282 mm2 and mostly a low design complexity.

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“…There have been active research and increasing interest in the area of Internet congestion control and congestion avoidance during the last two decades (see, for example, [1], [3], [7], [13], [14], [16], and [18]). Among the existing congestion control and avoidance approaches, random early detection (RED) [7] is perhaps the most well-known queue-based active queue management (AQM) scheme, which introduces a control mechanism for randomized packet dropping with a queue length averaging technique.…”

Section: Introductionmentioning

confidence: 99%

Stability of TCP/RED Systems in AQM Routers

Tan

Zhang

Peng

et al. 2006

IEEE Trans. Automat. Contr.

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By applying the time-delay control theory to a TCP/RED dynamic model, this note establishes some explicit conditions under which the TCP/RED system is stable in terms of the average queue length. Then, the stability region is discussed. Finally, the results are illustrated by using 2 simulations, which demonstrates that it is able to choose an appropriate control parameter max of RED based on the stability conditions derived in this note, to achieve satisfactory network performance. It is found, by comparison, that this improved performance is better than that of three other typical active queue management (AQM) schemes-the random exponential marking (REM), proportional-integral (PI) controller, and adaptive virtual queue (AVQ) schemes.Index Terms-Active queue management (AQM), random early detection (RED), stability, time-delay control.

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Rate-based congestion control in ATM switching networks using a recursive digital filter

Cited by 20 publications

References 15 publications

An adaptive and predictive approach for autonomic multirate multicast networks

An adaptive and predictive approach for autonomic multirate multicast networks

CMOS Analog Filter Design for Very High Frequency Applications

Stability of TCP/RED Systems in AQM Routers

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