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Virtualization

Virtualization technology decouples the software and hardware in RAN Architecture. All 4G/5G protocol stacks are virtualized into different components which could be deployed on top of general purpose hardware (x86 or ARM).

Baicells ORAN Solution

The OpenRAN solution provides a flexible and programmable composition of all components with an open interface and full optimization for both 4G and 5G RAN architecture.

Baicells provides the GPP hardware platform for both the BBU and RRU, which can support different power and frequency bands.

The open interface can be modified, according to different protocol’s splitting options and existing backhauls where fiber or Ethernet ports are supported.

Benefits

Flexible

The interfaces among different components are standardized and open to third parties. Operators can easily expand, relocate, or reuse different components from different vendors and provide flexible networks built according to customers’ requirements.

Future-Proof

All software functions are decoupled from the hardware. Operators can easily adapt to future changes or upgrade for any additions and expansions, allowing for new features or applications to be quickly developed and deployed.

Cost-Efficient

Both CAPEX and OPEX can be largely reduced by multi-vendor eco-system and virtualization technologies.

Customer Case

In October 2017, in SKT’s TIP Community Lab (Korea), Baicells finished the TIP SI (Solution Integration) phase 2. An end-to-end LTE+EPC solution running on open (x86 based) platform was successfully tested with commercial UEs.

Started in October 2016, the unbundled 4G solution aims to develop a multi-vendor solution for LTE and LTE Beyond Radio Access. To enable unbundled 4G, virtualization and open APIs have been developed for SW/HW decoupling and VNFs (from L1 to EPC/IMS).

From a RAN architecture point of view, the higher layer of Central Unit (CU) and Distributed Unit (DU) function split (i.e. Option2 PDCP/RLC) will be anchor link in Non-Standalone-Access(NSA). In 2018, the 5G NR part will be added to complete unbundled 5G. Baicells has cooperated with Vodafone, TIM, and Airtel on Open RAN projects.

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