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Sun, R. (author), O'Keefe, K. (author), Guo, J. (author), Gill, E. (author)This paper proposes a precise and fast direction of arrival estimation method using Global Navigation Satellite System (GNSS) carrier phase measurements. Single-epoch, single-satellite integer cycle ambiguities are reliably resolved by making use of constraints and taking advantages of antenna arrays. The algorithm shows good robustness in cases...journal article 2013
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Sun, R. (author), Guo, J. (author), Gill, E.K.A. (author), Maessen, D.C. (author)Precision formation flying missions require formation acquisition and maintenance through the interactions among spacecraft by the inter-satellite communication and relative navigation. This paper analyses the dedicated system constraints of the network architecture for precision formation flying missions. The critical time issue and the...journal article 2012
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Sun, R. (author), Guo, J. (author), Gill, E.K.A. (author), Maessen, D. (author)Precise formation flying (PFF) missions require formation acquisition and maintenance through interactions among spacecraft by inter-satellite communication and relative navigation. That requires the network architecture to satisfy dedicated system constraints of time-criticality for updating navigation measurements and flexibility for...conference paper 2011
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Sun, R. (author), Guo, J. (author), Gill, E.K.A. (author)Challenges and opportunities of wireless sensor networks (WSNs) in space applications are presented. The investigation of internet protocols, ad hoc routing and commercial-off-the-shelf (COTS) wireless communication protocols for efficient and reliable network design is addressed. In order to facilitate the analysis, several application...conference paper 2010