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 for mission critical services. 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, coverage, demand and traffic dynamics. 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 networks today while being ready for 5G evolution. Mavenir’s innovative SmartC-RAN solution (SmartRRU™ and SmartC-BBU™) is designed to address this challenge. It is designed with today’s LTE network needs in mind (e.g. 3GPP Rel13 LAA, 5CCA and CBRS) 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. The Mavenir solution supports Ethernet based fronthaul and can handle fronthaul delays up to 16ms RTT and can support wireless fronthaul. The Mavenir BBU/RRU supports multiple splits at the MAC/PHY interface as well as at the upper PHY. The nFAPI interface is supported to allow connection from other RRU vendors to the BBU. Asymmetrical splits are also possible which would optimally reduce the FH requirements by 2X and reducing the complexity at RRU with increased FH (but UL has less transport) can provide UL COMP gains (40 - 100%). QOS sensitive splits can help the separation of control and data plane splits with Low latency local HARQ decisions for certain QoS applications.