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Huawei and China Unicom jointly complete world–s first FDD Massive MIMO field verification

SHANGHAI, CHINA — (Marketwired) — 01/17/17 — Huawei, together with China Unicom Group, completed field verification of the industry–s first FDD-based Massive MIMO technology, using the existing two-antenna receiving terminal on the 20MHz spectrum to achieve a peak network rate of 697.3Mbps, 4.8 times that of traditional FDD LTE. The successful verification also demonstrated the innovation ability of both sides.

With the rapid development of mobile Internet applications, such as high-definition video and online games, MBB networks face a huge challenge in capacity. Massive MIMO can help operators greatly enhance wireless network capacity and user experience by maximizing existing sites and spectrum resources. Massive MIMO is the best technology to boost spectrum efficiency and is one of the key solutions for Huawei–s 4.5G Evolution.

Massive MIMO solutions have three typical characteristics: AAU hardware form, 3D user-level beamforming, multi-user MIMO.

1. AAU hardware form

The Massive MIMO solution requires large-scale antenna array elements and RF transceiver channels. If RF and antenna are separated, engineering feasibility and system reliability are both extremely challenging. AAU is an integrated active antenna solution from Huawei, which integrates RF and antenna elements to ensure the reliability of Massive MIMO solutions and greatly enhance the feasibility of the project.

2. 3D user-level beamforming

Massive MIMO uses a large array of antennas to provide precise control of beam width and angle in both vertical and horizontal directions, enabling 3D user-level beamforming, therefore improves network coverage and reduces overall network interference.

3. Multi-user MIMO

Based on accurate 3D user beamforming, accurate channel estimation and user algorithms, Massive MIMO allows multiple terminals to simultaneously reuse the same spectrum resources, therefore further enhancing network capacity.

The joint field test, based on 20MHz spectrum, using an FDD LTE commercial terminal, demonstrated that the average mobile phone rate grows up to 87Mbps, which can support users to watch 4K high-definition video smoothly. The test also verified the network peak up to 697.3Mbps, 4.8 times that of the traditional FDD LTE.

According to the 3GPP standard, Release 10 defines an eight port multi-antenna technology in TM9 mode, Release 13 defines a 16 port multi-antenna technology and Release 14 defines 32-port multi-antenna technology. With commercialization of the terminals supporting the above protocols, the spectral efficiency of Massive MIMO will be further enhanced in the future. Based on the existing FDD LTE Massive MIMO prototype, Huawei will continue to optimize its products and drive the FDD LTE Massive MIMO industry chain to mature.

Cao Ming, President of Huawei–s FDD Product Line, said, “Our goal is to bring considerable commercial value to operators through innovative technology. This successful field verification between Huawei and China Unicom, once again demonstrated the innovative capability of Huawei–s 4.5G Evolution technology. Huawei–s Massive MIMO product has the ability to evolve to 5G to protect the operator–s investment in the coming 5G era.”

Huawei is a leading global information and communications technology (ICT) solutions provider. Our aim is to enrich life and improve efficiency through a better connected world, acting as a responsible corporate citizen, innovative enabler for the information society, and collaborative contributor to the industry. Driven by customer-centric innovation and open partnerships, Huawei has established an end-to-end ICT solutions portfolio that gives customers competitive advantages in telecom and enterprise networks, devices and cloud computing. Huawei–s 170,000 employees worldwide are committed to creating maximum value for telecom operators, enterprises and consumers. Our innovative ICT solutions, products and services are used in more than 170 countries and regions, serving over one-third of the world–s population. Founded in 1987, Huawei is a private company fully owned by its employees.

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Boxin Xu
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