Huawei Helps China Mobile Shanghai Deploy World’s First Massive MIMO Solution
Shanghai, China, September 17th, 2015 – China Mobile Shanghai, together with Huawei, has successfully completed the world’s first Massive MIMO solution deployment (ultra large-scale multi-antenna system) on 4G commercial network, and has passed the commercial test led by The Research Institute of China Mobile. Testing with commercial smartphones, the results indicated a downlink throughput per single cell exceeding 650 Mbps with a single 20 MHz carrier and broke the record for air-interface throughput in commercial LTE-TDD networks. This means operators can now use Massive MIMO to increase spectral efficiency by three to five times, maximizing their current investment on existing sites and spectrum without adding new spectrum.
The Massive MIMO solution is a integral feature of LTE-TDD evolution (4.5G) and can potentially increase spetrum efficiency by six to ten times in the future. At its core is an ultra large-scale multi-antenna system where each module integrates 128 RF channels and 128 built-in antennas, featuring the maximum specification and highest integration levels in the industry. The solution supports all mainstream LTE-TDD frequency bands and is compatible with all existing 4G terminals.
As an international metropolis, Shanghai has a highly complex networking infrastructure comprising over 400 skyscrapers surpassing a hundred meters in height, more than 200 km of elevated roads, and the highest population density in China. All of these factors pose huge challenges for wireless network deployment. In order to simulate the various coverage difficulties faced in Shanghai, this testing was conducted over a dense distribution of high-rise buildings. China Mobile Shanghai adopted Huawei’s Massive MIMO solution to form continuous multi-sector coverage. It also demonstrated conclusively that a single Massive MIMO base station is capable of providing 3D coverage inside an 80-meter tall building, solving coverage problems that previously could only be resolved with multiple legacy base stations. The intensive coverage capacity shows an increase up to 12dB compared with the current 8-antenna system. In this way, the Massive MIMO solution significantly decreases networking costs while enhancing intensive coverage.
Furthermore, the deployment repurposed existing cabinets, power supply devices, fiber optics, core network and transmission components, and other existing site resources, further reducing engineering costs by considerable amounts.
Since initiating its Tech City program last year, China Mobile Shanghai has implemented multiple innovation projects along with Huawei and other industry partners. Its continuous technological improvements will enhance the 4G subscriber experience, advance Shanghai to a leading position in the global 4G technology market. This commercial deployment of Massive MIMO is a definite success story for LTE-TDD and represents yet another pioneering milestone for China Mobile Shanghai’s partnership with Huawei. Meng Xin, Assistant Manager of China Mobile Shanghai’s Network Optimization Center, said: “The LTE-TDD commercial pioneer subscribes to the philosophy of “Staying a Step Ahead” and is dedicated to developing leading technologies to provide subscribers with the fastest services and best user experience. China Mobile Shanghai’s 4G network currently serves more than 6 million subscribers, meaning one out of five Shanghainese is a 4G subscriber of China Mobile.” He also conveyed China Mobile Shanghai’s deep appreciation of its cooperation with Huawei for providing the best 4G network in the world. This close partnership will encourage ongoing innovation and network application of leading global technologies with the ultimate goal of better services for subscribers.
Mr. Gao Quanzhong, CTO of Huawei’s LTE TDD product line,reflected back to September 2014, where China Mobile Research Institute and Huawei jointly gave the world’s first pre-commercial presentation for the LTE-TDD Massive MIMO multi-antenna solution. The verification of this revolutionary solution by China Mobile Research Institute, Huawei and China Mobile Shanghai fully demonstrated their joint innovative capability and industrial leadership in LTE-TDD evolution and research.
China Mobile and Huawei will keep moving forward together aiming to further enhance industry chain development, promote the large-scale deployment of the Massive MIMO solution, and ultimately create the fastest 4G network offering the best user experience.
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