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首页> 外文期刊>International journal of mobile network design and innovation >Evaluation and optimisation of GSM network in Jenien City, Palestine
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Evaluation and optimisation of GSM network in Jenien City, Palestine

机译：巴勒斯坦耶宁市GSM网络的评估和优化

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摘要

This paper presents a case study about the evaluation and optimisation of GSM network in Jenien City, Palestine.Two approaches are used to evaluate the network performance, namely: key performance indicators (KPIs) and drive test.The initial evaluation of the network showed that about 0.76% of the initiated connections are dropped.In addition, about 7.76% of the collected samples from the drive test lie in level 4 which is the worst level in terms of signal quality and signal strength.Moreover, only 65.5% of the collected samples lie in level 1 which is the best level in terms of signal quality and strength.A new traffic channel (TCH) and broadcast control channel (BCCH) frequency plans are proposed to decrease TCH drop rate, reduce interference level and boost signal quality.The proposed plans are implemented into the network.Two kinds of optimisation procedures are adopted.The first one is manual optimisation while the second one is by using specific optimisation tools.According to the comparative study, we carried-out between the performance of the network before and after optimisation, the average TCH drop rate is reduced from 0.76% to 0.62%.In addition, the percentage of samples in level 1 is increased from 65.5% to 76.8% while the percentage of samples in level 4 is decreased from 7.76% to 5.16%.
机译：本文以巴勒斯坦耶尼恩市为例，对GSM网络的评估和优化进行了案例研究，采用了两种方法来评估网络性能，即关键性能指标（KPI）和路测。网络的初步评估表明：大约断开了启动连接的0.76％。此外，从驱动测试中收集到的约7.76％的样本位于第4级，这是信号质量和信号强度方面最差的级别，此外，仅收集到的65.5％样本位于1级，这是信号质量和强度方面的最佳水平。提出了一种新的业务信道（TCH）和广播控制信道（BCCH）频率计划，以降低TCH下降率，降低干扰水平并提高信号质量。拟议的计划已实施到网络中，采用了两种优化程序，第一种是手动优化，第二种是使用特定的优化工具。在比较研究中，我们在优化前后的网络性能之间进行了测试，平均TCH下降率从0.76％降低到0.62％。此外，级别1的样本百分比从65.5％增加到76.8 ％，而第4级的样本百分比则从7.76％降至5.16％。

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