Blahut-arimoto algorithm
WebJun 26, 2024 · The computation of inner and outer bounds on capacity regions of broadcast channels is difficult due to the non-convexity of expressions. In this work, with the help of a Terkelsen-type minimax theorem, we develop a Blahut-Arimoto algorithm to evaluate the supporting hyperplanes of the superposition coding region. Then we extend the … Web• The Arimoto-Blahut algorithms can be generalized to channels with side-information and source coding with side-information. • A similar strategy can be used to compute the achievable sum rate for discrete memoryless broadcast channels. ISIT 2004, Chicago 20. …
Blahut-arimoto algorithm
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WebMay 3, 2024 · The capacity of noisy quantum channels characterizes the highest rate at which information can be reliably transmitted and it is therefore of practical as well as fundamental importance. Capacities of classical channels are computed using alternating optimization schemes, called Blahut-Arimoto algorithms. In this work, we generalize … WebThe celebrated Blahut-Arimoto algorithm is a special case of our framework. The formulation of these algorithms is based on the natural gradient and proximal point methods. We also provide interpretations in terms of notions from information geometry. A theoretical convergence analysis and simulation results demonstrate that our new …
Webthrough a generalized Blahut-Arimoto-type algorithm, hence have great appeal for empirical applica-tions. We provide guarantees for convergence and discuss details of implementation. The rest of the paper is organized as follows. Section2introduces the notion of attention elasticity and discusses elasticity patterns under the Shannon model. WebThe term Blahut–Arimoto algorithm is often used to refer to a class of algorithms for computing numerically either the information theoretic capacity of a channel, the rate-distortion function of a source or a source encoding (i.e. compression to remove the redundancy). They are iterative algorithms that eventually converge to one of the …
Web开馆时间：周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 WebThe bound is calculated based on an alternating-minimization procedure, representing an extension of the Blahut-Arimoto algorithm. A hidden Markov model (HMM) source was considered as an example application and the objective is to quantize the source outputs and estimate the underlying HMM state sequence. Bounds on the minimum rate are …
WebJan 1, 2003 · The classical Blahut-Arimoto algorithm (BAA) is a well-known algorithm that optimizes a discrete memoryless source (DMS) at the input of a discrete memoryless channel (DMC) in order to maximize ...
Web2.2 The Blahut{Arimoto algorithm An important practical consequence of the above variational formulation is that it provides a converging iterative algorithm for self consistent determi-nation of the distributions p(x~jx) and p(x~). Equations (8) and (1) must be satis ed simultaneously for consistent probability assignment. gmod summer of 87WebThe term Blahut–Arimoto algorithm is often used to refer to a class of algorithms for computing numerically either the information theoretic capacity of a channel, the rate-distortion function of a source or a source encoding (i.e. compression to remove the redundancy). They are iterative algorithms that eventually converge to one of the … gmod stranded island mapWebWhat we are trying to achieve with the implementation of the Blahut-Arimoto Algorithm (bottleneck algorithm) is to find the model that compresses the information the … bomb crypto tradingviewWebBased on Arimoto's work in 1978 [1], we propose an iterative algorithm for computing the capacity of a discrete memoryless classical-quantum channel with a finite input alphabet and a finite dimensional output, which we call the Blahut-Arimoto algorithm for classical-quantum channel, and an input cost constraint is considered. We show that to reach ε … gmod storm chasing serversWeb依据山农的经典论证方法,证明山农信道容量定理仅适用于低通信道,不适用于带通信道.对于带通信道,信道容量将随信道通带的中心频率而改变.所以带通信道的信道容量具有不确定性. gmod super smash brosWebApr 24, 2009 · The paper first recalls the Blahut Arimoto algorithm for computing the capacity of arbitrary discrete memoryless channels, as an example of an iterative algorithm working with probability density estimates. Then, a geometrical interpretation of this algorithm based on projections onto linear and exponential families of probabilities is … gmod submaterial color toolWebThe Blahut–Arimoto algorithm, is often used to refer to a class of algorithms for computing numerically either the information theoretic capacity of a channel, or the rate-distortion function of a source. They … bomb crypto treasure chest