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Recursive method for optimum GPS satellite selection

机译:最佳GPS卫星选择的递归方法

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The author addresses the problem of selecting an optimum n-satellite subset from m visible satellites (m>n). The optimality criteria is minimum geometric dilution of precision (GDOP) subject to the integrity constraint. To solve this problem an efficient algorithm is developed using a revolving door method and matrix inversion lemma. The revolving door method generates each n-subset from its immediate predecessor by deleting some single element and adjoining some other single element. Then using the matrix inversion lemma, the GDOP for each new n-subset is recursively calculated from the incoming and outgoing elements. The matrix inversion lemma is also used to check the satisfaction of the integrity constraint
机译:作者提出了从m个可见卫星(m> n)中选择最佳n卫星子集的问题。最佳标准是受完整性约束的最小几何精度稀释(GDOP)。为了解决这个问题,使用旋转门方法和矩阵求逆引理开发了一种有效的算法。旋转门方法是通过删除某些单个元素并与某些其他单个元素相邻来从其前身生成每个n个子集的。然后,使用矩阵求逆引理,从输入元素和输出元素递归计算每个新n个子集的GDOP。矩阵求逆引理也用于检查完整性约束的满足性

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