|Thursday, 17 December 2009, 15:40 HKT/SGT|
Source: NTT DOCOMO
TOKYO, Dec 17, 2009 - (ACN Newswire) - NTT DOCOMO, INC. announced today that in preparation for the start of extra-high-speed LTE mobile service, it is deploying new W-CDMA base stations equipped with newly developed remote radio equipment (RRE) units to provide both existing W-CDMA and forthcoming LTE service.
The RRE-equipped base stations will account for about half of the initial LTE base stations when DOCOMO becomes one of world's first operators to launch an LTE service in December 2010.
The deployment is a part of DOCOMO's initial plan to layer a 2GHz LTE network over its existing 3G network to provide dual W-CDMA/LTE service, which will combine the benefits of LTE's high transmission speeds with 3G's wide-area coverage as the LTE network is expanded gradually.
The new RRE (also known as remote radio head) allows the relatively easy and efficient installation of LTE base stations to existing W-CDMA base stations (see diagrams below). Compared to existing equipment, it also helps to lower operational costs thanks to its reduced weight, size and energy consumption.
The RRE-equipped base station comprises a master unit for signal processing and maintenance functions and the RRE for modulating and demodulating both W-CDMA and LTE signals transmitted and received via antenna. The two are linked by optical fiber.
About NTT DOCOMO
NTT DOCOMO, Japan's leading mobile operator with over 79 million subscriptions, is one of the world's foremost contributors to 3G, 4G and 5G mobile network technologies. Beyond core communications services, DOCOMO is challenging new frontiers in collaboration with a growing number of entities ("+d" partners), creating exciting and convenient value-added services that change the way people live and work. Under a medium-term plan toward 2020 and beyond, DOCOMO is pioneering a leading-edge 5G network to facilitate innovative services that will amaze and inspire customers beyond their expectations. DOCOMO is listed on the Tokyo Stock Exchange (9437). https://www.nttdocomo.co.jp/english/.
Public Relations Department
Dec 17, 2009 15:40 HKT/SGT
Source: NTT DOCOMO
NTT DOCOMO (TSE: 9437)
Topic: Press release summary
Sectors: Electronics, Mobility/Wireless
From the Asia Corporate News Network
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