弱覆盖环境下VoLTE语音感知提升研究

Research on Enhancement of VoLTE Speech Perception under Weak Coverage Environment

为改善无线网络弱覆盖对VoLTE语音感知的影响,针对PDCCH调度容量、语音QoS、SRVCC、数据业务重定向等主要影响因素进行详细分析,并提出相应的优化解决方案。通过优先保障上行调度容量、提升语音调度优先级、优化SRVCC切换和数据业务重定向的流程,有效地提升网络性能指标和用户感知。

In order to reduce the impact of weak coverage of radio networks on VoLTE speech perception,some main influencing factors such as PDCCH scheduling capacity,speech QoS,SRVCC and data service redirection are analyzed in detail. Meanwhile,corresponding optimization solutions are proposed. The network performance indicators and user perception are effectively improved by guaranteeing uplink scheduling capacity,improving speech scheduling priority,optimizing the processes of SRVCC switching and data service redirection.