RT Journal Article
T1 Cellular access multi-tenancy through small-cell virtualization and common RF front-end sharing
A1 Mendes, José
A1 Jiao, XianJun
A1 Garcia-Saavedra, Andrés
A1 Huici, Felipe
A1 Moerman, Ingrid
AB Mobile traffic demand is expected to grow as much as eight-fold in the coming next five years, putting strain in current wireless infrastructures. Meanwhile thediversity of traffic and standards may explode as well. One of the most common means for matching these mounting requirements is through network densification,essentially increasing the density of deployment of operators’ base stations in many small cells and handling timing critical traffic at the edge. In this paper wetake a step in that direction by implementing a virtualized small cell base station consisting of multiple, isolated LTE PHY stacks running concurrently on top of ahypervisor deployed on a cheap, off-the-shelf x86 server and a shared radio head. In particular, we show that it is possible to run multiple virtualized base stationswhile achieving throughput equal or close to the theoretical maximum. In contrast to C-RAN (Cloud/Centralized Radio Access Network), our virtualized small cellbase station has full stack at the edge so that a low latency high throughput front-haul, which is necessary in C-RAN architecture, is not needed. This approach bringsall the flexibility and configurability (from network management point of view) that a software based implementation provides while the transparent architectureenables the possibility of multiple standards sharing the same radio infrastructure.
PB Elsevier
SN 0140-3664
YR 2018
FD 2018-10-25
LK https://hdl.handle.net/10016/28224
UL https://hdl.handle.net/10016/28224
LA eng
NO The projects leading to this paper has received funding from theEuropean Union’s Horizon 2020 research and innovation programmeunder grant agreement no. 67156 (Flex5Gware), no. 732174 (ORCAproject) and no. 761536 (5G-Transformer).
DS e-Archivo
RD 5 jul. 2024