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TMCNet:  NEC and Ubidyne Verify the Benefits of 3D Beamforming for Small Cells

[February 13, 2013]

NEC and Ubidyne Verify the Benefits of 3D Beamforming for Small Cells

Tokyo, Feb 13, 2013 (JCN Newswire via COMTEX) -- NEC and Ubidyne have joined forces to investigate the benefits of 3D beamforming small cells with the use of the latest active antenna technology. The study, entitled 'Enhanced Network Capacity and Coverage with 3D Beamforming Small Cells', benchmarks passive small cells with active beamforming small cells that look set to be an integral part of future LTE / 4G heterogeneous networks (HetNets) to meet the dramatically increasing demand for capacity.


The study explores the advantages of a new class of small cell - the array or 3D beamforming small cell - and shows that 3D beamforming can lead to an average macro cell load reduction (offloading) of 40%. An active 3D beam forming small cell comprises several antenna elements and transceivers arranged in a matrix which enables completely flexible vertical and horizontal beamforming, including beam shaping independent in the downlink (DL) and uplink (UL). Furthermore, multiple simultaneous beams per cell with individual tilt optimization per beam, as well as multiple beams for multi-sector operation can be applied.

The investigations show that 3D beamforming and individual tilt optimization for multi-beam active small cell antenna arrays outperforms existing passive small cell solutions, with about four-times higher offloading. In addition to capacity gains, beamforming can also help to improve coverage, reduce the number of small cells and backhauling requirements and reduce inter-cell interference. This cuts the cost of site acquisition and network-wide power consumption and further improves network optimization, making active antennas an attractive proposition for mobile operators.

The joint NEC and Ubidyne paper can be downloaded from http://www.nec.com/en/global/solutions/nsp/lte/downloads_index.html and http://www.ubidyne.com/docs/ubidyne_nec_white_paper_small_cells.pdf Visit NEC's booth (hall 3, stand no. 3B4) and Ubidyne's booth (hall 5, stand no. 5I46) at the MWC2013 in Barcelona where 3D beam forming small cells are being demonstrated.

About Ubidyne Ubidyne is a leading developer of innovative digital active antenna technology. Based on a single modular platform, Ubidyne supports advanced, multi-standard wireless solutions from picocell to smart macrocell active antennas and from distributed in-building systems to next generation 3D beam steering array antennas. Its customers include OEMs supplying network systems to mobile network operators; antenna solution vendors; as well as semiconductor suppliers. Protected by more than eighty patents, Ubidyne's technology includes custom ASICs, proprietary signal processing algorithms, reference designs and complete systems for active antennas, across all mobile communication frequency bands between 700 MHz and 2600 MHz. Ubidyne solutions revolutionize the economics of mobile communications by increasing integration levels and improving radio performance, deployment flexibility, coverage and capacity of mobile networks globally. For more information, go to www.ubidyne.com For more information or to arrange an interview, please contact Peter Rennison or Allie Andrews at PRPR, Tel: + 44 1442 245030, pr@prpr.co.uk / allie@prpr.co.uk.

About NEC 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 http://www.nec.com.

Contact: Seiichiro Toda NEC Corporation +81-3-3798-6511 E-Mail: s-toda@cj.jp.nec.com Joseph Jasper NEC Corporation +81-3-3798-6511 E-Mail: j-jasper@ax.jp.nec.com

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