Single Carrier Waveform Solution For Millimeter Wave Air Interface

2016 IEEE GLOBECOM WORKSHOPS (GC WKSHPS)(2016)

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摘要
Ultra broadband mobile communication is a key requirement of fifth generation (5G) wireless cellular networks. To fulfill this requirement much larger bandwidth is needed which can be delivered in millimeter band from 30 to 300 GHz. Beam formed transmission over a massive MIMO (m-MIMO) structure is an essential element of a millimeter wave (mmwave) system to compensate the large air propagation loss. This however requires new air interface design to overcome hardware limitations tied to m-MIMO and mmwave, particularly for higher frequencies above 40 GHz. In this paper a block-wise single carrier (BWSC) waveform with low peak-to-average ratio (PAPR) is proposed to lower the cost of massive number of RF components needed to realize an m-MIMO structure for mmwave. Same as OFDM, data-based cyclic prefix (CP) is attached to every BWSC block to enable frequency domain equalization (FDE). Evaluations have been conducted to demonstrate the advantage of data-CP BWSC over orthogonal division multiplexing (OFDM) and null-CP single carrier waveform in terms of some key performance measures such as system efficiency, adjacent channel leakage ratio (ACLR), inter-symbol inference (ISI) and PAPR.
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关键词
5G,millimeter wave,single carrier waveform,peak-to-average power ratio
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