概括
一种新的双平行分布匹配架构为灵活的光传输网络提供了具有成本效益的概率振幅塑造. 这种设计大大降低了复杂性和内存使用量,同时最大限度地降低了速率损失.
科学领域:
- 光学通信系统 光学通信系统
- 数字信号处理是数字信号处理.
- 电信工程 电信工程 电信工程
背景情况:
- 概率振幅塑造 (PAS) 对于优化光通信性能至关重要.
- 标准化的灵活光传输网络 (FlexO) 架构需要高效的PAS实现.
- 现有的基于LUT的PAS方法在FlexO中面临复杂性和内存足迹方面的挑战.
研究的目的:
- 提出和优化一种新的双平行分布匹配器 (DM) 架构.
- 确保与标准化的灵活光学传输网络 (FlexO) 的兼容性.
- 为了实现具有成本效益的概率塑造,减少复杂性和内存.
主要方法:
- 为了优化,采用了多步骤的设计过程.
- 拟议的架构使用了一个双平行分布匹配器.
- 在添加式白高斯噪声 (AWGN) 频道上评估了性能.
主要成果:
- 拟议的DM架构最大限度地降低了利率损失.
- 与基于FlexO LUT的PAS相比,它的复杂性要低得多.
- 与现有方法相比,观察到85%的内存使用量减少.
结论:
- 双平行DM架构为FlexO中的概率造型提供了一个具有成本效益的解决方案.
- 这种方法在复杂性和内存效率方面提供了实质性的改进.
- 优化的设计适用于先进的光传输网络.
相关概念视频
Mesh Analysis for AC Circuits
658
In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
658
Transmission Line Design Considerations
588
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
588
Choosing Between z and t Distribution
3.5K
The z and the Student t distribution estimate the population mean using the sample mean and standard deviation. However, to decide which distribution to use for a calculation, one needs to determine the sample size, the nature of the distribution, and whether the population standard deviation is known. If the population standard deviation is known and the population is normally distributed, or if the sample size is greater than 30, the z distribution is preferred. The Student t distribution is...
3.5K
Lattice Centering and Coordination Number
11.3K
The structure of a crystalline solid, whether a metal or not, is best described by considering its simplest repeating unit, which is referred to as its unit cell. The unit cell consists of lattice points that represent the locations of atoms or ions. The entire structure then consists of this unit cell repeating in three dimensions. The three different types of unit cells present in the cubic lattice are illustrated in Figure 1.
Types of Unit Cells
Imagine taking a large number of identical...
Types of Unit Cells
Imagine taking a large number of identical...
11.3K
Bewley Lattice Diagram
1.4K
The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.
1.4K
Uniform Distribution
6.0K
The uniform distribution is a continuous probability distribution of events with an equal probability of occurrence. This distribution is rectangular.
Two essential properties of this distribution are
Two essential properties of this distribution are
6.0K


