New-generation wireless networks are designed to support a wide range of services with diverse key performance indicators (KPIs) requirements. A fundamental component such networks, and pivotal factor the fulfillment target KPIs, is virtual radio access network (vRAN), which allows high flexibility on control link. However, fully exploit potentiality vRANs, an efficient mapping rapidly varying ...

5G Multicast Broadcast Services (MBS) are viewed as a promising New Radio (NR) application, standardization begins in 3GPP Release 17. With MBS, one next generation Node B (gNB) delivers data to multiple user equipments (UE) simultaneously, thus improving spectrum efficiency. Millimeter wave (mmWave) beamforming further enhances system performance by focusing signals dedicated direction. Howeve...

Zero-touch network and service management (ZSM) exploits function virtualization (NFV) software-defined networking (SDN) to efficiently dynamically orchestrate different chaining (SFC), whereby reducing capital expenditure operation expenses. The SFC is an optimization problem that shall consider constraints, such as Quality of Service (QoS), actual resources, achieve cost-efficient scheduling ...

Emerging with the support of computing and communications technologies, Metaverse is expected to bring users unprecedented service experiences. However, increase in number places a heavy demand on network resources, especially for services that are based graphical extended reality require rendering plethora virtual objects. To make efficient use resources improve Quality-of-Experience (QoE), we...