Network Technology
Network Technology

Network Technology

NTT DoCoMo to Stop Accepting PHS Applications

DoCoMo announced today that they will stop accepting new applications for PHS (Personal Handyphone System) mobile phone services as of April 30, 2005. As a result of the decision, DoCoMo will post an approximately 61 billion-yen impairment loss on a consolidated basis and an approximately 21 billion-yen special loss on a non-consolidated basis. Accordingly, DoCoMo has amended its consolidated and non-consolidated financial results forecasts for the fiscal year ending March 31, 2005 (April 1, 2004 – March 31, 2005), which were announced on October 29, 2004.

HSDPA Technology Primer

If the acronym HSDPA (High Speed Downlink Packet Access) means nothing to you, read on because the technology behind this string of letters could soon significantly change the way you work and play on your mobile device. The technology, a rival to the EV-DO standard in CDMA deployed in the US and parts of Asia, promises something surprisingly missing in early 3G mobile networks — high data speeds similar to those of fixed-line ADSL services.

WiMAX Coming to Japan

Yozan Inc, a pager and PHS service provider, recently announced that it would start a fixed-rate public wireless LAN service partly based on the WiMAX wireless communication standard, in December 2005. Ahead of the service launch, Yozan is starting field tests in the Tokyo metropolitan area in June 2005. This is the first WiMAX service plan announced in Japan. The company plans to have developed 600 core basestations and 4,000 relay stations within Tokyo’s 23 wards by December 2005.

NEC to Demonstrate Next-generation HSDPA Network at 3GSM 2005

NEC announced that it has realized a total solution for advanced mobile networks boasting interoperation of HSDPA, advanced packet core, and IMS, representing its first step toward the realization of a next-generation network with an converged fixed/mobile environment. “NEC is ready to provide a total solution composed of a 3G advanced packet core, a HSDPA radio network, IMS, and other related applications to commercial services.” said Katsuhiro Nakagawa, Associate Senior Vice President of NEC Corporation. For more information regarding NEC’s activities at 3GSM, please visit: http://www.nec-3gsm.com

NetGear's 108-Mbps Wireless in Japan

NETGEAR announced their new line of MIMO G wireless products based on the True MIMO(TM) chipset from Airgo Networks. Available in Japan this month, the MIMO G Wireless Router (Model WGM124) and PC Card (Model WGM511) provide customers with the highest-performing wireless networking technology on the market with up to 8x the speed and coverage of standard 802.11g devices. “Whether in the home office, family room, or back yard, customers will enjoy a smooth, consistent connection,” said Naoki Hayashida, Japan Country Manager.

NEC Gears up for 3G Infrastructure Construction in China

NEC Corporation and NEC Telecommunications (China) announced that it has commenced production of 3rd Generation mobile radio base stations (Node-B) at one of the production site of NEC Telecommunications (China). The first lot of the products has been delivered in January 2005 to Europe and the plant is ready for manufacturing Node-Bs for China. The production base procures major core pre-product modules, such as channel coding cards and line cards, from NEC’s major manufacturing sites in Japan (NEC Saitama Ltd. and NEC Wireless Networks Ltd.), and other general parts such as power modules and racks from local vendors.