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A Solution to the Multicast Subgroup Formation Problem in LTE Systems

机译:LTE系统中组播子群形成问题的解决方案

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摘要

This letter proposes a solution to the multicast subgroup formation problem that aims to maximize the aggregate data rate in Long Term Evolution (LTE) and beyond systems. We analytically demonstrate that, by reducing the solution search space and releasing some constraints, the problem can be solved in a closed form, and a very small number of operations are sufficient to find the optimal subgroup configuration, which is demonstrated to be always composed of one or two subgroups. The relevance of the result is that the proposed technique can be easily implemented in practical LTE systems to avoid the heavy-processing burden of the exhaustive search or the suboptimality of solutions based on heuristics.
机译:这封信提出了针对组播子组形成问题的解决方案,旨在使长期演进(LTE)和其他系统中的总数据速率最大化。我们分析性地证明,通过减少解的搜索空间并释放一些约束,可以以封闭形式解决问题,并且很少的操作足以找到最佳子组配置,这证明总是由以下项组成一两个小组。结果的相关性是,所提出的技术可以在实际的LTE系统中轻松实现,从而避免了穷举搜索的繁重处理负担或基于启发式的解决方案的次优性。

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