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System Design of Low SWaP Optical Terminals for Free Space Optical Communications

机译:用于自由空间光通信的低SWaP光终端的系统设计

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Along with advantages in higher data rates, spectrum contention, and security, free space optical communications can provide size, weight, and power (SWaP) advantages over radio frequency (RF) systems. SWaP is always an issue in space systems and can be critical in applying free space optical communications to small satellite platforms. The system design of small space-based free space optical terminals with Gbps data rates is addressed. System architectures and requirements are defined to ensure the terminals are capable of acquisition, establishment and maintenance of a free space optical communications link. Design trades, identification of blocking technologies, and performance analyses are used to evaluate the practical limitations to terminal SWaP. Small terminal design concepts are developed to establish their practicality and feasibility. Techniques, such as modulation formats and capacity approaching encoding, are considered to mitigate the disadvantages brought by SWaP limitations, and performance as a function of SWaP is evaluated.
机译:与更高数据速率,频谱争用和安全性方面的优势一起,自由空间光通信可以提供优于射频(RF)系统的尺寸,重量和功率(SWaP)优势。 SWaP一直是空间系统中的问题,对于将自由空间光通信应用于小型卫星平台可能至关重要。解决了具有Gbps数据速率的小型天基自由空间光终端的系统设计。定义系统架构和要求以确保终端能够获取,建立和维护自由空间光通信链路。设计行业,阻塞技术的识别和性能分析用于评估终端SWaP的实际限制。开发小型终端设计概念以确立其实用性和可行性。考虑了诸如调制格式和容量逼近编码之类的技术,以减轻SWaP局限性带来的不利影响,并评估作为SWaP函数的性能。

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