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The University of Southampton
University of Southampton Malaysia

Research project: Adaptive Beamforming and Spatial Multiplexing Schemes and Strategies for 5G Millimetre Wave Mobile Communication Systems

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The great success of mobile communication systems has led to a paucity of bandwidth for new scenarios especially below 3 GHz. In order to meet the exponentially growing data traffic requirements, the allocation of new spectrum is of paramount important.

Whilst the thorough performance analysis of generic Multiple Input Multiple Outputs (MIMO)1 has been performed for microwave radio frequencies, their key characteristics have scarcely been researched at millimetre Wave (mmW) frequencies. Up to date, it is still not explicit how well a variety of MIMOs will be optimised for 5G mmW mobile communications; though it has been shown that directional beam transmissions play a pivotal role in the 5G system in order to compensate for inherent high path loss. In our research plan, for the sake of understanding how well BeamForming (BF) and Spatial Multiplexing (SM) will operate at mmW frequencies, we will investigate the best possible ways of adaptive BF and SM schemes and strategies for 5G mmW mobile communication systems and conduct their performance analysis both over standalone and microwave-overlaid mmW communications, where the latter system is to exploit cell specific information obtained in the existing LTE system. And these achievements are capable of taking the initiative over other 5G research activities.



1Generally speaking, MIMOs encompass spatial multiplexing, space time coding, beamforming and spatial division multiple access.



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