… CLOUD RADIO ACCESS NETWORK Since ultra-dense networks meet new challenges
of densely deploying small cells due to the significant capital expenditure (CAPEX) and …

… in millimeterwave-based ultra dense networks with energy harvesting base stations,” IEEE J.
… in an heterogeneous ultra-dense network,” IEEE Access, vol. 7, pp. 111790–111800, 2019. …

The densification of base station (BS) deployments is driving the evolution of network
structures towards heterogeneous ultra-dense networks (UDN), making coordinated multipoint (…

… HETEROGENEOUS ULTRA-DENSE NETWORKS Heterogeneous ultradense networks (HUDNs)
can significantly increase the spectral efficiency of cellular networks and cater for the …

… In order to support massive connectivity with heterogeneous quality of service (QoS), non-or…
Driven by the key characteristics of heterogeneous ultra dense networks (HUDNs) and …

… SYSTEM MODEL In this paper, we consider a two-tier heterogeneous ultradense network
consisting of M macro cells and N small cells, as is shown in Fig.1. According to [10], we …

… consisting of densely distributed SBSs. To operate such heterogeneous ultra-dense
networks (HetUDNs), an effective and efficient network architecture and resource management …

… This study considers a mmWave-based ultra-dense network consisting of two tiers of BSs.
Tier 1 includes traditional macro-cells, and tier 2 consists of high-density 5G small cells. Small …

… Ultra-dense network (UDN) is considered as a promising technology in 5G wireless networks…
to mitigate interference in an ultra dense dynamic heterogeneous network using cluster-…

… The heterogeneous ultra-dense network (UDN) has been … future mobile networks including
fifth generation mobile networks. … path orchestration architecture for heterogeneous UDNs. In …