通过模拟脉冲位置调制的有限能量联合源信道编码

2021 IEEE Information Theory Workshop (ITW) Pub Date : 2021-09-02 DOI:10.1109/ITW48936.2021.9611360

O. Lev, A. Khina

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引用次数: 3

摘要

研究了在能量约束下，在无限带宽加性高斯白噪声信道上以最小失真传输源样本的问题。为此，我们构建了一种采用模拟脉冲位置调制(PPM)的联合源信道编码方案，并对其二次失真进行了约束。我们证明该方案优于现有的技术，因为它的二次失真同时达到了Burnashev外界的指数和多项式衰减阶。

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Energy-limited Joint Source–Channel Coding via Analog Pulse Position Modulation

We study the problem of transmitting a source sample with minimum distortion over an infinite-bandwidth additive white Gaussian noise channel under an energy constraint. To that end, we construct a joint source–channel coding scheme using analog pulse position modulation (PPM) and bound its quadratic distortion. We show that this scheme outperforms existing techniques since its quadratic distortion attains both the exponential and polynomial decay orders of Burnashev’s outer bound.

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2021 IEEE Information Theory Workshop (ITW)

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