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首页> 外文期刊>Wireless Communications Letters, IEEE >Analysis of Limitations of Mobility Load Balancing in a Live LTE System
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Analysis of Limitations of Mobility Load Balancing in a Live LTE System

机译：实时LTE系统中移动负载平衡的局限性分析

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摘要

Mobility load balancing (MLB) is a common technique to deal with the uneven traffic distribution in mobile networks. The aim of MLB is to alleviate congestion problems by sharing traffic demand among neighbor cells through the modification of handover parameters. MLB has been successfully used in legacy radio access technologies. However, in long term evolution (LTE), MLB may lead to severe network performance degradation due to the tight frequency reuse used in this technology. In this letter, a comprehensive analysis of the limitations of MLB in LTE is done based on the results of a classical MLB algorithm in a live LTE network. Field trial results confirm that MLB reduces network congestion at the expense of degrading cell-edge user performance in the uplink of congested cells and the downlink of adjacent cells receiving traffic.
机译：移动负载平衡（MLB）是处理移动网络中流量分布不均的一种常用技术。 MLB的目的是通过修改切换参数，通过在相邻小区之间共享流量需求来缓解拥塞问题。 MLB已成功用于传统无线电接入技术。但是，在长期演进（LTE）中，由于该技术中使用的紧密频率复用，MLB可能导致严重的网络性能下降。在这封信中，基于实时LTE网络中经典MLB算法的结果，对LTE中MLB的局限性进行了全面分析。现场试验结果证实，MLB以降低拥塞小区的上行链路和接收流量的相邻小区的下行链路的小区边缘用户性能为代价，减少了网络拥塞。

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