Analysis of the Throughput of the Cellular Radio-Communication Systems Using Coordinated Data Transmission to Suppress Mutual Unintended Interference
Radiophysics and Quantum Electronics(2014)
摘要
We present the results of the comparative analysis of two data-transmission schemes of the fourth-generation cellular communication standard LTE-A, which use the “quasistatic” and “dynamic” coordination at the neighbor base stations. Both schemes are used to suppress mutual unintended co-channel interference resulting from the repeated use of one frequency channel by the neighbor base stations. The general case of the heterogeneous cellular radio-communication system with different station types (macro- and picostations) is considered. In this work, the efficiency of the coordinated-transmission schemes is studied along with the adaptive algorithms for the dataflow planning and control. The use of both coordination schemes is comparatively analyzed. An original algorithm for redistribution of the user connections is proposed for the dynamic scheme and the dependence of the communication-system throughput on the radio-network configuration and the number of base stations, that participate in the coordination is studied.
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关键词
Orthogonal Frequency Division Multiplex,Orthogonal Frequency Division Multiplex Symbol,Reference Signal Receive Power,Cell Range Expansion,Cellular Communication System
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