RF DSP’s Avalo Distributed Massive MIMO Development Platform: Baseband Massive MIMO Engine in the center, two RRU each with an array of 64 smart antennas for 3D MIMO. The system supports eight 64-antenna RRUs for a total of 512 antennas.

RF DSP Inc. develops technologies and networking solutions to enable operators to cost effectively meet the high capacity, high density and high coverage consistency challenge in LTE-A and 5G. To support the development of our massive MIMO technologies, we developed the Avalo Distributed Massive MIMO Development Platform. We are offering this platform to the research and development community to accelerate the advancement of massive MIMO technology. Massive MIMO holds great promise but there are only very limited test results using hardware and over the air transmission to verify the large amount of theoretical and simulation studies.

The research and development community needs a large scale, highly flexible and configurable open platform for massive MIMO R&D to test their theories and algorithms in practical environments. The small number of massive MIMO platforms available are small scale supporting tens to about 100 antennas, cannot support distributed massive MIMO, lack development software/firmware support and the computational capacity and configuration flexibility to support the development of large scale advanced massive MIMO algorithms. Our Avalo Distributed Massive MIMO Development Platform fills this void.

Massive MIMO Engine of RF DSP’s Avalo Distributed Massive MIMO Development and Test Platform, capable of supporting baseband and massive MIMO beamforming processing of 512 distributed antennas.

The Avalo Distributed Massive MIMO Development Platform can be configured to include up to 64 high-speed 10Gbits/serial links (CPRI) to support up to a total of 512 antennas. The platform supports both distributed and centralized Massive MU-MIMO. The MU-MIMO Engine in the Avalo Platform is capable of 17 TMacs/s, performs all MU-MIMO related computations, including distributed antenna calibration, channel estimation, frequency and time offset compensation, precoding and detection matrix computation, real-time adaptive MU-MIMO beamforming and hybrid beamforming.

The Avalo Platform supports massive MIMO in TDD and FDD. Its baseband PHY supports 32 simultaneous UE data streams per resource block.

The Avalo Platform is a complete open platform with multiple standard interfaces at different levels in the PHY and includes the functions of base station Massive MIMO Engine and PHY, massive MIMO channel emulator and massive MIMO UE testers. A developer can interface to the massive MU-MIMO engine through PCIe 3.0 which extracts up to 64 separate IQ streams per resource block from up to 512 antennas, or interface to a large number of parallel user data streams through fiber or USB 3.0 connections. The Avalo Platform is available either as a bare-bones hardware platform for R&D teams who want to develop and test their own precoding and beamforming algorithms or with complete PHY and baseband layers including all massive MU-MIMO algorithms for R&D teams who want to develop and test algorithms above the PHY layer in a massive MU-MIMO networks, e.g., user grouping and scheduling, inter-cell coordination, etc.

Most importantly, the Avalo Platform is a complete massive MU-MIMO development and test platform that can be configured as a massive MU-MIMO base station unit, a real-time massive MIMO channel emulator, and a massive MU-MIMO UE testing platform with up to 32 UEs per resource block.

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