نتایج جستجو برای: rate allocation
تعداد نتایج: 1029919 فیلتر نتایج به سال:
We generalize the classical max-min rate allocation policy with the support of the minimum rate requirement and peak rate constraint for each connection. Since a centralized algorithm for the generalized maxmin (GMM) rate allocation requires global information, which is di cult to maintain and manage in a large network, we develop a distributed protocol to achieve the GMM policy using the avail...
We generalize the classical max-min rate allocation policy with the support of the minimum rate requirement and peak rate constraint for each connection. Since a centralized algorithm for the generalized maxmin (GMM) rate allocation requires global information, which is difficult to maintain and manage in a large network, we develop a distributed protocol to achieve the GMM policy using the ava...
This paper presents an optimal subband bit allocation based on a new rate distortion (R-D) model for multi-view image coding with disparity-compensated wavelet lifting. First, the distortion prediction of the reconstructed multi-view image with lifting scheme is presented. A new rate distortion model combining the exponential and power model is developed. Then, the analyzed prediction error and...
In this paper, an optimal wireless resources allocation scheme is put forward to improve the performance for both cellular and Device-to-Device (D2D) users in a hybrid network. The resource unit and power allocation can be modeled into a sum-rate optimization problem with the constraint of power limitation and rate ratio. The rate ratio is used to measure the data rate requirements from both ce...
We describe a new algorithm for rate allocation within the individual switches of an ATM network implementing a rate-based congestion control algorithm for Available Bit-Rate (ABR) traac. The algorithm performs an allocation in (1) time, allowing it to be applied to ATM switches supporting a large number of virtual circuits. When the total available capacity or the requests of the individual co...
We study joint rate control and resource allocation with a packet collision constraint that maximizes the total utility of secondary users in cognitive radio networks. We formulate and decouple the original optimization problem into separable subproblems and then develop an algorithm that converges to optimal rate control and resource allocation. The proposed algorithm can operate on different ...
In progressive joint source-channel coding of images, experiments show that optimizing rate allocation according to PSNR criteria and according to rate criteria produce essentially similar results – a very important observation because optimization by rate is often much easier. This paper presents analysis to uncover the reason for – and the generality of – these empirical results. We first exa...
This paper summarizes our experience on the design of network bandwidth allocation policies and distributed rate calculation algorithms for packet-switched networks. In particular, we discuss two rate allocation policies: the generalized max±min (GMM) and the weight-proportional max±min (WPMM) policies, both of which generalize the classical max±min rate allocation policy. For the design of dis...
This paper presents an in-depth survey on network bandwidth allocation policies and discuss design methodologies of distributed rate calculation algorithms in packet-switched networks. In particular, we discuss two rate allocation policies: the generalized max-min (GMM) and the weight-proportional max-min (WPMM) policies, both of which generalize the classical max-min rate allocation policy. Fo...
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