Sony joins UMTS alliance of leading GSM manufacturers to develop next generation wireless standard

Bangkok--Dec 8--SIEMENS Sony Corporation today has joined forces with the UMTS Allience formed by Alcatel, Bosch, Italtel, Motorola, Nortel (Northern Telecom) and Siemens in support of their proposed next generation wireless standard. The Allience's solution for the Universal Mobile Telecommunications System (UMTS) combines key elements and there with the benefits of both Time Division Multiple Access (TDMA) and Code Division Multiple Access (CDMA) cellular technologies. The world's leading Global System for Mobile Communications (GSM) manufacturers will work together toward the development of the next- generation wireless standard for UMTS based on the TD/CDMA concept proposal submitted by Siemens earlier this year to ETSI (European Telecommunications Standards Institute). The UMTS Allience companies firmly believe that their TD/CDMA solution for the radio interface portion of the network - an approach that allows CDMA technology to be integrated into the GSM TDMA structure worldwide - enables GSM operators to compete for wideband multimedia services, while protecting their current and future investments. The six strongly support this solution within the ETSI which is currently evaluating proposals for UMTS standards. The proposed TD/CDMA standard uses CDMA signal spreading techniques to enhance the capacity offered by conventional TDMA technology. Digitized voice and data would be transmitted on a 1.6 megahertz-wide channel using time-segmented TDMA technology. Each time slot of the TDMA channel would be individually coded using CDMA technology, thus supporting multiple users per time slot. The proposal establishes an economical and smooth network migration for existing GSM customers to the next-generation cellular standard. "We are happy to support the TD/CDMA solution", said Masao Morita, Corporate Vice President and president of Personal & Mobile Communication Company, Sony Corporation. "We believe our commitment as a steering member of the UMTS Allience will provide both technical and commercial contributions based on our experience not only in research and development of communication products but also in design, manufacture, sales and marketing of attractive consumer products." "We are pleased that Sony has comitted to support our solution," said Lothar Pauly, president mobile networks business unit at Siemens' Public Communication Networks Group. "Sony's dicision to join the alliance will help us to provide GSM customers with a seamless upward migration from their current technology to third-generation systems and handsets and will bring a lot of application knowhow to our growing UMTS Alliance." Sony Corp. is one of the world's leading manufacturers of audio, video, communications and information technology products in both the consumer and professional fields. Its music, pictures, and video game businesses also make Sony one of the world's most comprehensive entertainment companies. Sony recorded consolidated annual sales of over $45 billion in the fiscal year ended March 31, 1997 and employs 163.000 worldwide. End.

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