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首页> 外文期刊>Wireless personal communications >Statistics of the Carrier-to-interference Ratio in C/TDMA Cellular Mobile Radio Systems Applying Multi-User Detection
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Statistics of the Carrier-to-interference Ratio in C/TDMA Cellular Mobile Radio Systems Applying Multi-User Detection

机译：应用多用户检测的C / TDMA蜂窝移动无线电系统中的载波干扰比统计

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摘要

In cellular mobile radio systems, interference is a limiting factor with respect to both system performance and system capacity. Therefore, profound knowledge of the statistics of the carrier-to-interference ratio C/I, given by the received carrier power C and the sum I of received powers associated with various interferers, is essential. In this communication, a general approach allowing the calculation of C/I for both the up- and the downlink of any interference limited mobile radio system is presented. Power control algorithms are explicitly considered. The general approach is used to provide insight into the statistics of C/I of C/TDMA systems applying multi-user detection, which are promising candidates for third generation mobile radio systems. For these C/TDMA systems applying multi-user detection, a representative selection of results is collected from the general approach and presented in this communication. Furthermore, results concerning the composition of the intercell interference are given. These results are of particular interest when plumbing potential benefits of worthwhile future enhanced multi-user detection schemes which explicitly incorporate a given number of intercell interferers.
机译：在蜂窝移动无线电系统中，干扰是相对于系统性能和系统容量的限制因素。因此，对于由接收载波功率C和与各种干扰源相关的接收功率之和I给出的载波干扰比C / I的统计数据的深入了解是必不可少的。在这种通信中，提出了一种通用方法，该方法允许对任何受干扰限制的移动无线电系统的上行和下行链路进行C / I计算。明确考虑了功率控制算法。通用方法用于深入了解应用多用户检测的C / TDMA系统的C / I统计信息，这是第三代移动无线电系统的有希望的候选者。对于这些应用多用户检测的C / TDMA系统，从常规方法中收集代表性的结果选择，并在此通信中进行介绍。此外，给出了有关小区间干扰的组成的结果。当充分利用值得未来的增强型多用户检测方案的潜在好处时，这些结果特别令人关注，该方案明确地并入了给定数量的小区间干扰源。

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