Joint Design of the Spatial and of the Classic Symbol Alphabet Improves Single-RF Spatial Modulation | Zendy

Pranav S. Koundinya | Zendy; K.V.S. Hari | Zendy; Lajos Hanzo | Zendy

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Joint Design of the Spatial and of the Classic Symbol Alphabet Improves Single-RF Spatial Modulation

Author(s) -

Pranav S. Koundinya,

K.V.S. Hari,

Lajos Hanzo

Publication year - 2016

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2016.2600246

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

A new joint spatial and classic symbol alphabet is designed for spatial modulation (SM)-based multiple-input multiple-output systems. The employment of multiple active antennas instead of a single active antenna is proposed for increasing the achievable throughput and the joint design of the antenna selection and classic transmit symbol is explored, while maintaining the compelling advantages of SM. This framework combines the bit-to-antenna mapping and classic bit-to-constellation mapping into a single function, which defines the joint-alphabet and the joint optimization of the amplitude-phase modulation and its constellation for transmission over multiple active antennas. The conventional SM system is also interpreted within our framework. An example design is proposed, which aims for a high spectral efficiency of 11 b per channel use, achieving a gain of up to 5 dB over generalized SM (GSM).

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