Mavenir delivers flexible technologies for the Radio Access Network, designed with today's LTE and 5G network needs in mind

The next generation mobile networks are expected to handle significantly higher data volume, connect exponentially more devices, significantly reduce latency and bring new levels of reliability. In order to meet these demands, 11GHz of additional spectrum has already been made available by FCC and similar spectrum harmonization efforts are expected through ITU-WRC. In U.S. the new spectrum spans unlicensed, licensed and shared access in 57-71GHz, 28/37/39GHz and 3.5GHz respectively. This newly available spectrum is more than 10 times of that is currently in use below 6GHz. The technology challenges of mmWave, the shared access management and aggregation mechanisms will be critical in the evolution to 5G. On the other hand, the investment protection in the radio infrastructure will be a key consideration for the pace of adoption.

Therefore, a flexible Radio Access Network (RAN) is a key cornerstone for this evolution. It needs to be adaptive, flexible and responsive to the evolving infrastructure needs. The RAN architecture has to incorporate the cloud and virtualization techniques to flex and adapt based on the usage and coverage. While the 5G(NR) is still being finalized, we believe it is important to create a RAN architecture that can address the needs of 4G today while being ready for 5G. Mavenir’s innovative SmartC-RAN solution (SmartRRUTM and SmartC-BBUTM) is designed to address this challenge. It is designed with today’s LTE network needs in mind (e.g. 3GPP Rel13 LAA & 5CCA) along with the vision for easy upgrade to 5G(NR) – providing investment protection and deployment flexibility.

Mavenir’s SmartSplit technology can help overcome limitations of CPRI in terms of latency, overhead and non-availability of ideal front-haul. Mavenir SmartC-RAN solution supports Ethernet based fronthaul. Since the fronthaul can effectively handle up to 16ms round trip delays, the vBBUs can be centralized for very large geographical areas. The RRU additionally supports high capacity wireless interconnect (between RRUs), thereby eliminating the need to trench fiber to every RRU location. Mavenir vBBU/RRU support multiple splits at the MAC/PHY interface as well as at the upper PHY. In addition, nFAPI interface is supported to allow connection from other RRU vendors to the BBU. Asymmetrical splits are also possible which would  reduce the fronthaul requirements by half.