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RF Spatial Modulation Using Antenna Arrays

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Author

  • Yijun Zhou
  • Michael Yan-Wah Chia
  • Xianming Qing
  • Jiren Yuan

Summary, in English

A new method of spatial linear modulation is presented for the RF signal modulation. The constant envelope and phase modulated signals are transmitted to an antenna array and then combined in space; the linear modulation is realized at the same time. The concentric antenna pairs are applied to eliminate the mismatch of phase delay among the modulated signals from different antenna pairs. The measurement results of an RF signal around 2.45 GHz modulated by a 3.84 Mbps QPSK signal are presented. The proposed spatial modulator is able to simplify RF transmitter design and achieve highly efficient power transmission.

Publishing year

2013

Language

English

Pages

5229-5236

Publication/Series

IEEE Transactions on Antennas and Propagation

Volume

61

Issue

10

Document type

Journal article

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Antenna array
  • linear amplification with non-linear components (LINC)
  • modulation
  • outphasing
  • spatial power combining
  • wireless

Status

Published

ISBN/ISSN/Other

  • ISSN: 0018-926X