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NEC to Develop 'LTE-Advanced High-Capacity Base Station Equipment' for NTT DOCOMO

Tokyo, Feb 27, 2013 - ( JCN Newswire ) - NEC Corporation (NEC; TSE: 6701) was selected by NTT DOCOMO, INC. (DOCOMO) as a vendor to develop "High-Capacity Base Station Equipment" that supports DOCOMO's proposed LTE-Advanced(1) communications system.

NEC is developing equipment that is operable with DOCOMO's sophisticated new Centralized Radio Access Network (CRAN) architecture(2). This is expected to result in higher speed transmissions and efficient use of radio resources through the use of carrier aggregation technology, which will enable coverage areas to be adjusted flexibly and advanced coordination to take place between a variety of cells. This is accomplished in a Heterogeneous Network (HetNet) environment where macro cells that cover wide areas and small cells that cover local areas with high population density and heavy traffic coexist.

NEC's newly developed base station equipment establishes a GPS or an IEEE1588 standard (a protocol for synchronizing base station clocks that are scattered in a network) synchronization scheme, which reduces the interference between base stations. This will enable flexible expansion of networks in the future.

Furthermore, this base station equipment can support 3G/LTE services, as well as LTE-Advanced services.

NEC was also selected as a vendor to develop low power Small optical remote Radio Equipment (SRE)(3) for small cell base stations deployed in densely populated areas.

Wireless broadband is one of the core areas of NEC's carrier network business and the company provides total solution support for DOCOMO's expanding "Xi(TM)" services. Going forward, NEC will continue strengthening the partnership with DOCOMO and promoting the launch of LTE-Advanced.

(1) One of the fourth generation (4G) standard mobile phone communication systems being considered by the 3GPP.
(2) New network architecture being proposed by NTT DOCOMO.
(3) Radio equipment with RF modulation, RF receiving and transmission functions.

AboutNEC Corporation

NEC Corporation (TSE: 6701) is a leader in the integration of IT and network technologies that benefit businesses and people around the world. By providing a combination of products and solutions that cross utilize the company's experience and global resources, NEC's advanced technologies meet the complex and ever-changing needs of its customers. NEC brings more than 100 years of expertise in technological innovation to empower people, businesses and society. For more information, visit NEC at


NTT DOCOMO is a world-leading mobile operator and growing provider of comprehensive services centered on mobility. The company serves over 60 million customers in Japan via advanced wireless networks, including a nationwide 3G network and one of the world's first commercial LTE networks. Leveraging its unique capabilities as a mobile operator, DOCOMO is a leading developer of cutting-edge technologies for NFC mobile payments, mobile GPS, mobile TV, intuitive mobile assistance, environmental monitoring, smart grids and much more. Overseas, the company provides technical and operational expertise to eight mobile operators and other partner companies. NTT DOCOMO is listed on the Tokyo (9437), London (NDCM) and New York (DCM) stock exchanges. Please visit for more information.

Contact : Takehiko Kato 
NEC Corporation

Joseph Jasper
NEC Corporation