Unified MIMO-multicarrier designs: a space–time shift keying approach

Abstract

A survey and tutorial is provided on the subject of multiple-input multiple-output (MIMO) multicarrier (MC) systems relying on the space-time shift keying concept. We commence with a brief review of the family of MIMO systems, which is followed by the design of space-time shift keying (STSK) systems in the context of MC modulation-based transmissions over dispersive wireless channels. Specifically, the STSK scheme is amalgamated with orthogonal frequency division multiplexing (OFDM),MC code division multiple access (MC-CDMA), orthogonal frequency division multiple access (OFDMA) and singlecarrier frequency division multiple access (SC-FDMA). We also provide a rudimentary introduction to MC differential STSK (MC DSTSK) employing both conventional differential detection (CDD) and multiple-symbol differential sphere decoding (MSDSD) for the sake of dispensing with channel estimation (CE).We conclude with the design recipes of coherent versus noncoherent MC STSK schemes, complemented by a range of future research ideas.

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ORCID for Lajos Hanzo: orcid.org/0000-0002-2636-5214

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