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Implementation of mobile broadband radioaccess systems on the base of MIMO technology

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2 Author(s)
Kravchuk, S.A. ; Res. institute of telecommunications NTUU, Kyiv, Ukraine ; Borisova, M.B.

We present the new technology of spatial-temporal diversities of MIMO signals, which has potential for creation of mobile broadband radioaccess systems due to large information capacity and interference nonsusceptibility from multibeam propagation. The most prospective direction of further improvement of mobile telecommunications is implementation of high-speed broadband radioaccess systems (voice link, transmission of video and data) on this basis. However there is an actual problem in obtaining high transfer rates in radio systems for mobile service. The transfer rate of fixed wireless broadband access systems reaches tens of megabits per second, while using cellular networks of 3rd and 4th generations (3G, 4G) it is possible to reach transfer rates for the mobile user of no more than 2 Mbit/s. The major factor which impedes the increase of information transfer rate is multiray propagation in the radio channel between the mobile user and base station. In order to decide this problem, the so-called multi-antenna technology MIMO (multi input multi output) and a number of its modifications are used.

Published in:

Microwave and Telecommunication Technology, 2004. CriMico 2004. 2004 14th International Crimean Conference on

Date of Conference:

13-17 Sept. 2004