Survey on Near-Space Information Networks: Channel Modeling, Transmission, and Networking Perspectives
Xianbin Cao, Xiaoning Su, Peng Yang, Yue Gao, Dapeng Oliver Wu, and Tony Q. S. Quek

TL;DR
This survey reviews recent advances in near-space information networks, focusing on channel modeling, networking, and transmission techniques, highlighting challenges and future research directions for high-altitude and UAV-based communication systems.
Contribution
It provides a comprehensive overview of NSINs, including experimental validation, analysis of channel characteristics, and discussion of networking and transmission protocols, emphasizing recent technological progress.
Findings
Analysis of airborne platform movement effects on antenna phase delays
Differences between HAP and UAV channel models
Verification of transmission techniques through experiments
Abstract
Near-space information networks (NSINs) composed of high-altitude platforms (HAPs) and high- and low-altitude unmanned aerial vehicles (UAVs) are a new regime for providing quick, robust, and cost-efficient sensing and communication services. Precipitated by innovations and breakthroughs in manufacturing, materials, communications, electronics, and control techniques, NSINs have been envisioned as an essential component of the emerging sixth-generation of mobile communication systems. This article reveals some critical issues needing to be tackled in NSINs through conducting experiments and discusses the latest advances in NSINs in the research areas of channel modeling, networking, and transmission from a forward-looking, comparative, and technical evolutionary perspective. In this article, we highlight the characteristics of NSINs and present the promising use cases of NSINs. The…
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Taxonomy
TopicsUAV Applications and Optimization · Opportunistic and Delay-Tolerant Networks · Satellite Communication Systems
