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首页> 外文会议>International Conference on Wireless Networks >The Impact of Reduced Computational Complexity of Multiuser Detectors on the Processing Gain in a Wireless DS-CDMA Multiuser System
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The Impact of Reduced Computational Complexity of Multiuser Detectors on the Processing Gain in a Wireless DS-CDMA Multiuser System

机译：多用户探测器计算复杂性降低对无线DS-CDMA多用户系统的处理增益的影响

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In this paper, a new scheme for reducing the computational complexity of multiuser receivers is presented. It utilizes the transformation matrix ? algorithm to improve the performance of multiuser receivers by effectively reducing the bit error rate (BER). In addition, a deterministic formalization of the processing gain (PG)for a multiuser DS-CDMA system is presented. The proposed formalization of the PG demonstrates that how the reduced BER could be used to achieve reasonable values of PG by which unwanted signals or interference can be suppressed relative to the desired signal at the receiving end. The proposed algorithms not only are shown to substantially improve the performance of the multiuser detectors by means of reduced BER but also have a much lower multi-access interference. The performance measure adopted in this paper is the achievable bit rate for a fixed probability of error (10~(-7)) and consistent values of the PG.
机译：本文介绍了一种降低多用户接收器计算复杂性的新方案。它利用转换矩阵？通过有效地减少误码率（BER）来提高多用户接收机性能的算法。另外，呈现了多用户DS-CDMA系统的处理增益（PG）的确定性形式化。所提出的PG的形式化表明，减少的BER如何用于实现PG的合理值，通过该PG可以相对于接收端的所需信号抑制不需要的信号或干扰。不仅示出了所提出的算法通过减少的BER显着提高了多用户探测器的性能，而且还具有更低的多访问干扰。本文采用的性能措施是误差固定概率的可实现比特率（10〜（-7））和PG的一致值。

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