Enabling 5G Mobile Wireless Technologies

Research on 5G mobile wireless technologies has been very active in both academia and industry in the past few years. It has been quite clear, however, that there would be no single enabling technology that can achieve all diverse and even conflicting 5G requirements. In general, many fundamental changes and innovations to re-engineer the overall network architecture and algorithms in different layers and to exploit new system degrees of freedom would be needed for the future 5G wireless system. In particular, they may need to consider other potential waveform candidates that can overcome limitations of the Orthogonal Frequency Multiple Access (OFDM) waveform employed in the current 4G system, develop disruptive technologies to fulfill 5G rate and capacity requirements including network densification, employment of large-scale (massive) Multiple Input Multiple Output (MIMO)

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Springer Science+Business Media