A Delay Balanced Adaptive Channel Allocation Mechanism for LTE-U and WiFi Coexistence Systems
作者： Jie Xiao , Jun Zheng
DOI: 10.1007/S11036-020-01690-5
关键词: Communication channel 、 Computer science 、 Channel allocation schemes 、 Unlicensed band 、 Computer network 、 Mechanism (biology) 、 Traffic load 、 Blocking (statistics) 、 Theoretical models 、 Network architecture
摘要: This paper proposes a delay-balanced adaptive channel allocation (DB-ACA) mechanism for improving the access performance of an LTE-U and WiFi coexistence system. To support DB-ACA mechanism, integrated network architecture is introduced coordinating in Based on architecture, system able to adaptively adjust number unlicensed channels allocated system, respectively, according current traffic load status ensure fairness systems, introduces criterion, which requires that delay be balanced band between systems. Theoretical models are developed determine need adjusted, derived analyze blocking probability respectively. The effectiveness validated through simulation results. It demonstrated numerical results proposed can effectively significantly improve terms delay.
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