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On a geometric view of multiuser detection for synchronous DS/CDMA channels

机译:在同步DS / CDMA信道的多用户检测的几何视图上

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摘要

We consider a geometric view of multiuser detection and present results on the problem of efficient computation of the optimal decision regions (Voronoi diagram) for synchronous direct-sequence code division multiple access (DS/CDMA). Among other results, it is shown that Verdu's (1986) algebraic notion of "indecomposable error sequences" relates directly to the geometric construction of the Voronoi diagram for multiuser detection. Based on the presented geometric results we introduce two multiuser detectors whose performance compares favorably to some popular existing detectors.
机译:我们考虑了多用户检测的几何视图,并针对同步直接序列码分多址(DS / CDMA)的最佳决策区域(Voronoi图)的有效计算问题提出了结果。除其他结果外,还表明Verdu(1986)的“不可分解错误序列”的代数概念直接涉及用于多用户检测的Voronoi图的几何构造。基于给出的几何结果,我们介绍了两个多用户检测器,其性能可与某些流行的现有检测器相媲美。

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