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NIPPON TELEGRAPH AND TELEPHONE CORPORATION

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Nippon Telegraph and Telephone : DOCOMO and NEC successfully test 5G Standalone with base station conforming to O-RAN specifications in a multi-vendor configuration

12/02/2021 | 01:21am EST

December 2, 2021

TOKYO, JAPAN, December 2, 2021 --- NTT DOCOMO, INC. (DOCOMO) and NEC Corporation (NEC) have succeeded in interoperability testing for 5G standalone (SA) using a 5G base station baseband unit (5G CU/DU) conforming to O-RAN open interface specifications and radio units (RUs) of different vendors.

The multi-vendor interoperability test used a software upgrade to introduce SA capability to NEC's 5G non-standalone (NSA) CU/DU operating on DOCOMO's commercial network. As a result, the system was transformed from a 5G NSA system into a 5G SA system using the same 5G CU/DU hardware. Since the 5G CU/DU can also accommodate existing NSA, the unit can be used to flexibly and quickly upgrade a 5G network.

Going forward, the two companies aim to introduce the 5G CU/DU for DOCOMO's SA services in order to further expand its 5G services.

The SA system enables network operators to flexibly provide services that take advantage of 5G features, such as eMBB (enhanced Mobile Broadband), mMTC (massive Machine Type Communication), and URLLC (Ultra-Reliable and Low Latency Communications), enabling support for the diverse demands of 5G, including the enhancement and sophistication of solutions for corporate customers.

Furthermore, as the lineup of interoperable 5G base station devices expands through multi-vendor connectivity, coverage areas can be flexibly designed according to the number of users and services by taking advantage of each vendor's strengths. This is expected to enable the rapid deployment of 5G coverage areas.

Moving ahead, DOCOMO and NEC will continue to verify the performance of 5G CU/DU, and aim to introduce new units to DOCOMO's commercial network, resulting in expanded 5G coverage with sophisticated base station equipment that enables superior 5G service.

Disclaimer

NTT - Nippon Telegraph & Telephone Corporation published this content on 02 December 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 02 December 2021 06:20:01 UTC.


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Sales 2022 12 114 B 106 B 106 B
Net income 2022 1 137 B 9 982 M 9 982 M
Net Debt 2022 6 733 B 59 131 M 59 131 M
P/E ratio 2022 10,3x
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EV / Sales 2023 1,47x
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Last Close Price 3 262,00 JPY
Average target price 3 744,67 JPY
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Jun Sawada Executive President, CEO & Representative Director
Akira Shimada Manager-Corporate Planning
Hiromichi Shinohara Managing Director & Head-Research Planning
Naoki Shibuya Representative Director & Chief Technology Officer
Katsuhiko Shirai Independent Outside Director