一种新的TDD-CDMA接入控制方法

The 2nd International Conference on Distributed Frameworks for Multimedia Applications Pub Date : 2006-05-01 DOI:10.1109/DFMA.2006.296895

Pei Li, Weilin Wu

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引用次数: 1

摘要

在TDD-CDMA系统中，上行(UL)和下行(DL)之间采用不均衡的时隙分配方法可以有效地解决业务不对称的问题，但不均衡的时隙会导致跨时隙干扰。本文提出了一种新的TDD-CDMA接收控制算法，以减少交叉时隙干扰。该算法对每个用户在不同的时隙进行准入控制:对于传输功率较大的用户，算法首先将非交叉时隙分配给其;而对于传输功率较低的用户，算法会为其分配交叉时隙。利用蒙特卡罗方法，对新型的准入控制算法进行了仿真。仿真结果表明，本文提出的接纳控制方法在TDD-CDMA中具有较好的接纳控制性能。所提出的接纳控制的性能与传输功率阈值有关。适当的阈值将决定良好的系统性能

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Novel Admission Control for TDD-CDMA

The TDD-CDMA system with unbalanced slot allocation between uplink (UL) and downlink (DL) is useful for the traffic asymmetry, but the unbalanced slot will lead to cross-slot interference. This paper proposes a novel admission control algorithm for TDD-CDMA in order to decrease the cross-slot interference. The novel admission control deal with each user in different slots: for user with high transmission power, the algorithm will first allocate the non cross-slot to it; while for user with low transmission power, the algorithm will allocate cross-slot to it. With Monte Carlo method, we simulate the novel admission control algorithm. The simulation results show that this paper proposed admission control has better performance than other admission control in TDD-CDMA. And the performance of proposed admission control is related to transmission power threshold. The proper threshold will determines good system performance

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The 2nd International Conference on Distributed Frameworks for Multimedia Applications

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