Doppler-Aided Positioning for Fused LEO Navigation Systems by Weiwei Wang, Zhangjian Lu, Ye Tian, Lang Bian, Guoyong Wang, Lixin Zhang

“…Fused LEO navigation systems have been proposed as a low-cost means of supplementing and backing up global navigation satellite system (GNSS) navigation services based on low-earth orbit (LEO) constellations, which means broadcasting navigation signals based on the spectrum and hardware of the currently planned communication constellation. …”
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Airborne GNSS-R: A Key Enabling Technology for Environmental Monitoring by Adrian Perez-Portero, Joan Francesc Munoz-Martin, Hyuk Park, Adriano Camps

“…LEO satellites with polar orbits can provide measurements over the entire world, but they cannot provide good spatial or high temporal resolutions by themselves. LEO constellations of small satellites have the same coverage with improved spatial resolution and revisit times by using data fusion techniques. …”
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Handover Strategies for Emerging LEO, MEO, and HEO Satellite Networks by Andra M. Voicu, Abhipshito Bhattacharya, Marina Petrova

“…For smaller LEO constellations with hundreds of satellites like OneWeb, Closest Satellite HO is preferred due to the highest spectral efficiency and lowest propagation delay, while the handover overhead is similar for all strategies. …”
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A Two-Step Handover Strategy for GEO/LEO Heterogeneous Satellite Networks Based on Multi-Attribute Decision Making by Liangyi Zhang, Shaohua Wu, Xiyu Lv, Jian Jiao

“…Low Earth Orbit (LEO) satellites can provide high-speed and low-delay services for terrestrial users; however, the rapid movement of LEO satellites and the insufficient size of the LEO constellations incurs the instability of the transmission links. …”
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Multi-Constellation Software-Defined Receiver for Doppler Positioning with LEO Satellites by Farzan Farhangian, René Landry

“…In this paper, the designed receiver has been used to acquire and track the Doppler shifts of two different kinds of LEO constellations. The extracted Doppler shifts of one Iridium-Next satellite as a burst-based simplex downlink signal and two Orbcomm satellites as continuous signals are considered. …”
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Dynamic Resource Allocation for Multi-Satellite Cooperation Networks: A Decentralized Scheme Under Statistical CSI by Meihui Zhao, Hanxiao Yu, Jianxiong Pan, Yifeng Jin, Guocheng Lv, Ye Jin

“…The densification of low-Earth orbit (LEO) constellations and the development of inter-satellite links enable the cooperative transmission of multiple satellites. …”
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A 17.8–20.2 GHz Compact Vector-Sum Phase Shifter in 130 nm SiGe BiCMOS Technology for LEO Gateways Receivers by Javier del Pino, Sunil L. Khemchandani, Mario San-Miguel-Montesdeoca, Sergio Mateos-Angulo, Daniel Mayor-Duarte, Jose Luis Saiz-Perez, David Galante-Sempere

“…The design is suitable for use in receive phased arrays for the gateways of major low Earth orbit (LEO) constellations that operate in the 17.8 to 20.2 GHz frequency range. …”
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Cuckoo Bloom Hybrid Filter: Algorithm and Hardware Architecture for High Performance Satellite Internet Protocol Route Lookup by Yi Zhang, Lufeng Qiao, Lin Hu, Xin Xu, Qinghua Chen

“…The next-generation satellite Internet Protocol (IP) router is required to achieve tens of millions of route lookups per second, since satellite Internet services based on low Earth orbit (LEO) constellations have become a reality. Due to the limitation of hardware resources on satellites and the high reliability requirements for equipment, a new satellite IP route lookup architecture is proposed in this paper. …”
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Chirp pseudo‐noise signal and its receiving scheme for LEO enhanced GNSS by Xin Zhao, Xinming Huang, Xiaomei Tang, Xiaochao Feng, Guangfu Sun

“…Abstract Low earth orbit (LEO) constellations for enhancing global navigation satellite systems (GNSS) have been investigated and studied due to their higher floor power and rapid geometric changes. …”
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Multi-Layered Satellite Communications Systems for Ultra-High Availability and Resilience by Marko Höyhtyä, Antti Anttonen, Mikko Majanen, Anastasia Yastrebova-Castillo, Mihaly Varga, Luca Lodigiani, Marius Corici, Hemant Zope

“…Traditional geostationary orbit (GEO) satellite systems and low Earth orbit (LEO) constellations, having their own strengths and weaknesses, have been used as separate systems serving different markets and customers. …”
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The Potential of LEO-PNT Mega-Constellations for Ionospheric 3-D Imaging: A Simulation Study by Fabricio S. Prol, Artem Smirnov, Sanna Kaasalainen, Mohammad Mainul Hoque, Mohammad Zahidul H. Bhuiyan, Francesco Menzione

“…Although great attention has been paid in recent years to understand the benefits of LEO satellites for PNT, dense LEO constellations will also provide unique measurements of the Earth's upper atmosphere. …”
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Rethinking LEO Mega-Constellation Routing to Provide Fast Internet Access Services by Zijian Yang, Feng Tian, Jifeng Jin, Huijie Liu

“…However, as the size of LEO constellations continues to grow, the routing algorithm design of such networks faces numerous challenges. …”
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Death by a thousand COTS: disrupting satellite communications using low earth orbit constellations by Rawlins, F, Baker, R, Martinovic, I

“…<br> To ground our analysis, we simulate a number of existing and planned LEO constellations against an example GEO constellation, and evaluate the relative effectiveness of each. …”

An Efficient Location-Based Forwarding Strategy for Named Data Networking and LEO Satellite Communications by Pablo Iglesias-Sanuy, José Carlos López-Ardao, Miguel Rodríguez-Pérez, Sergio Herrería-Alonso, Andrés Suárez-González, Raúl F. Rodríguez-Rubio

“…Certainly, the use of NDN is especially convenient in highly dynamic network environments, such as those of next LEO constellations incorporating inter-satellite links (ISL). …”
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Performance Assessment of Multi-GNSS PPP Ambiguity Resolution with LEO-Augmentation by Qin Li, Wanqiang Yao, Rui Tu, Yanjun Du, Mingyue Liu

“…This paper presents the performance of single- and four-system combined PPP Ambiguity Resolution (AR), enhanced with an ambiguity-float solution LEO. Two LEO constellations were designed: L was a typical polar orbit constellation, with a higher number of visible satellites at high latitudes than at low and middle latitudes; and M was designed to compensate for the lack of visible satellites at low and middle latitudes. …”
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Modulation and Signal Processing for LEO-LEO Optical Inter-Satellite Links by I. P. Vieira, T. C. Pita, D. A. A. Mello

“…We investigate key aspects of coherent optical communications on inter-satellite links (ISLs) for the next-generation ultra-dense low-Earth orbit (LEO) constellations. Initially, the suitability of QPSK, 8-QAM, and 16-QAM modulation formats with different symbol rates (28 GBaud, 60 GBaud, and 120 GBaud) and channel coding schemes (oFEC and staircase codes) for intra- and interorbital connections is evaluated. …”
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A Techno-Economic Framework for Satellite Networks Applied to Low Earth Orbit Constellations: Assessing Starlink, OneWeb and Kuiper by Ogutu B. Osoro, Edward J. Oughton

“…Secondly, the approach is applied to assess the three main competing LEO constellations which include Starlink, OneWeb and Kuiper. …”
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Enhancing the economics of satellite constellations via staged deployment and orbital reconfiguration by Chaize, Mathieu, 1980-

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Integrated Navigation and Communication Service for LEO Satellites Based on BDS-3 Global Short Message Communication by Shuren Guo, Gang Li, Jiaju Zheng, Qianyi Ren, Yifan Wu, Guanhao Shen, Hengyi Yue

“…Massive global Low Earth Orbit (LEO) constellations have been developed rapidly with the characteristics of larger number and shorter orbital periods of LEO satellites in recent years. …”
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Ionospheric Error Models for Satellite-Based Navigation—Paving the Road towards LEO-PNT Solutions by Majed Imad, Antoine Grenier, Xiaolong Zhang, Jari Nurmi, Elena Simona Lohan

“…Low Earth Orbit (LEO) constellations have ecently gained tremendous attention in the navigational field due to their arger constellation size, faster geometry variations, and higher signal power evels than Global Navigation Satellite Systems (GNSS), making them favourable for Position, Navigation, and Timing (PNT) purposes. …”
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