| Title | Optimizing Spectrum Pooling for Multi-Tenant C-RAN Under Privacy Constraints |
| Publication Type | Conference Paper |
| Year of Publication | 2018 |
| Authors | Park, Seok-Hwan, Simeone, Osvaldo, Shamai Shitz, Shlomo |
| Conference Name | 2018 IEEE 19th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC) |
| Keywords | Bandwidth, bandwidth allocation, C-RAN, cloud computing, cloud processor, computer network security, cps privacy, cyber physical systems, data privacy, Downlink, downlink transmission, finite-capacity backhaul links, finite-capacity fronthaul links, fronthaul/backhaul compression strategies, Human Behavior, human factors, inter-onerator privacy, inter-operator cooperation, inter-tenant privacy constraints, Interference, multi-tenant, multitenant C-RAN, multitenant Cloud Radio Access Network system, Optimization, participating operators, precoding, privacy, privacy constraint, private shared subbands, proprietary radio units, pubcrawl, Quantization (signal), radio access networks, RAN sharing, shared subband, spectrum pooling, user equipments |
| Abstract | This work studies the optimization of spectrum pooling for the downlink of a multi-tenant Cloud Radio Access Network (C-RAN) system in the presence of inter-tenant privacy constraints. The spectrum available for downlink transmission is partitioned into private and shared subbands, and the participating operators cooperate to serve the user equipments (UEs) on the shared subband. The network of each operator consists of a cloud processor (CP) that is connected to proprietary radio units (RUs) by means of finite-capacity fronthaul links. In order to enable inter-operator cooperation, the CPs of the participating operators are also connected by finite-capacity backhaul links. Inter-operator cooperation may hence result in loss of privacy. The problem of optimizing the bandwidth allocation, precoding, and fronthaul/backhaul compression strategies is tackled under constraints on backhaul and fronthaul capacity, as well as on per-RU transmit power and inter-onerator privacy. |
| DOI | 10.1109/SPAWC.2018.8445885 |
| Citation Key | park_optimizing_2018 |
Optimizing Spectrum Pooling for Multi-Tenant C-RAN Under Privacy Constraints