MENG Fanchen, WANG Shan, ZHU Bocheng, “Research of Fast Satellite Selection Algorithm for Multi-constellation,” Chinese Journal of Electronics, vol. 25, no. 6, pp. 1172-1178, 2016, doi: 10.1049/cje.2016.10.009
Citation: MENG Fanchen, WANG Shan, ZHU Bocheng, “Research of Fast Satellite Selection Algorithm for Multi-constellation,” Chinese Journal of Electronics, vol. 25, no. 6, pp. 1172-1178, 2016, doi: 10.1049/cje.2016.10.009

Research of Fast Satellite Selection Algorithm for Multi-constellation

doi: 10.1049/cje.2016.10.009
Funds:  This work is supported by the National Natural Science Foundation of China (No.11076001).
  • Received Date: 2014-09-03
  • Rev Recd Date: 2015-07-01
  • Publish Date: 2016-11-10
  • We propose a fast satellite selection algorithm for multi-constellation, which is based on both Newton's identities for Geometric dilution of precision (GDOP) fast computation and optimal satellite geometric distribution for less cycle participation. An effective closed-form formula is proposed for GDOP approximation, avoiding conventional matrix inversion and complexity. We reduce computational cycles with auxiliary optimal satellite geometric distribution, which improves the efficiency of real-time positioning under the combined action of both. Simulation results indicate that we can save more than 44% and 99% computational complexity when selecting 7 satellites from 10 and 30 visible satellites respectively. The GDOP of proposed method is very close to optimal result, better than that of Quasi-Optimal algorithm.
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