Based on the characteristic of multi-path frequency selective channel, the algorithm combines rapid table lookup and Lagrange-multiplier method to iteratively search the optimal bit allocation scheme.

算法根据多径信道选择性衰落的特性，结合查表法和拉格朗日乘子的混合迭代搜索法，最优地分配各个子载波的传输比特数。

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This algorithm consists of heuristic-based search algorithm, primal-dual-based optimal path selection algorithm and channel assignment adjustment algorithm.

包括启发式路径搜索算法、基于原始-对偶算法的最优路径选择算法、信道分配调整算法等三个部分。

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