THE WORLD

Korea Electric Power Corp. added eight sites to the existing four sites of its L.M. Ericsson Ltd. trunked system, which uses Enhanced Digital Access Communications System technology. Korea Electric hopes to expand the system by the end of the year to cover all of the Seoul area and surrounding areas, with ultimate plans to deploy the system as a nationwide network. Korea Electric initially will use the system for its electric power network in the Seoul area.

Motorola Inc.’s International Cellular Infrastructure Division won a contract to supply and install a digital phone system in the Republic of Georgia. This will be Motorola’s third cellular award in a former Russian state and Georgia’s first digital cellular system, said Pertti Johansson, general manager of the International Cellular Infrastructure Division. The Global System for Mobile communications network will be deployed in the third quarter of this year and accommodate 10,000 subscribers in the cities of T’bilisi and Kutaisi. The contract is valued at $7 million. The system will be operated by Diur La-Ole, a joint venture including the Georgia Post, Telephone and Telegraph.

AT&T Corp. and a Saudi Arabian information technology company have established a joint venture company to build telecommunication networks, information systems, products and services. AT&T and International Systems Engineering each will own 50 percent of the unnamed venture, to be headquartered in the kingdom’s capital city of Riyadh. The venture company initially will develop specialized software for telecommunications network management and information systems required for the telecom network AT&T has contracted to provide the Saudi Arabian Ministry of Post, Telegraph and Telephones. The ministry contract, valued at $4 billion, will upgrade the present system to the digital Global System for Mobile communications standard.

Ameritech Corp. has formed a 25-year joint venture with China Communications System Company Ltd., a firm under China’s Ministry of Electronics Industry. The venture will build a Global System for Mobile communications cellular phone and wireless switched telephone network for Taiyuan, a city of 2.7 million in the Shanxi Province, a coal mining area. Both Taiyuan and Shanxi Province have experienced rapid economic growth in recent years. The Taiyuan system is scheduled for completion in mid-1996. It will be operated by China Unicom, the nation’s second wireless operator. Ameritech holds an 80 percent stake in the venture and Chinacom holds 20.

Wireless Telecom Group Inc. received an order from Motorola Inc. to develop two satellite link emulators for the Iridium global wireless system. Wireless Telecom, which values the order at more than $500,000, said it expects to deliver by the end of October. Wireless Telecom provides standard and custom designed noise sources and test equipment for wireless telecommunications. Wireless Telecom also is negotiating with Shinsegi Telecomm of Korea to provide complete test stations to be used in mobile stations and base stations.

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