Performance evaluation of short-range MIMO using a method for controlling phase difference between each propagation channel

Kazumitsu Sakamoto, Ken Hiraga, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A Simple decoding method for short-range MIMO (SRMIMO) transmission can reduce the power consumption for MIMO decoding, but the distance between the transceivers requires millimeter-order accuracy in order to satisfy the required transmission quality. In this paper, we propose a phase difference control method between each propagation channel to alleviate the requirements for the transmission distance accuracy. In the proposed method, the phase difference between each propagation channel is controlled by changing the transmission (or received) power ratio of each element of sub-array antennas. In millimeter-wave broadband transmission simulation, we clarified that when sub-array antenna spacing is set to 6.6 mm and element spacing of sub-array antenna is set to 2.48 mm, the proposed method can extend the transmission distance range satisfying the required transmission quality, which is that bit error rate (BER) before error correction is less than 10-2 from 9∼29mm to 0∼50mm in QPSK, from 15∼19 mm to 0∼30 mm in 16QAM, and from only 15mm to 4∼22 mm in 64QAM.

Original languageEnglish
Pages (from-to)2513-2520
Number of pages8
JournalIEICE Transactions on Communications
VolumeE96-B
Issue number10
DOIs
Publication statusPublished - Oct 2013
Externally publishedYes

Fingerprint

MIMO systems
Antenna arrays
Decoding
Quadrature phase shift keying
Error correction
Transceivers
Millimeter waves
Bit error rate
Electric power utilization

Keywords

  • Controlling phase difference
  • Millimeter-wave
  • Power ratio
  • Short-range MIMO
  • Simple decoding method
  • Sub-array antenna

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications
  • Software

Cite this

Performance evaluation of short-range MIMO using a method for controlling phase difference between each propagation channel. / Sakamoto, Kazumitsu; Hiraga, Ken; Seki, Tomohiro; Nakagawa, Tadao; Uehara, Kazuhiro.

In: IEICE Transactions on Communications, Vol. E96-B, No. 10, 10.2013, p. 2513-2520.

Research output: Contribution to journalArticle

Sakamoto, Kazumitsu ; Hiraga, Ken ; Seki, Tomohiro ; Nakagawa, Tadao ; Uehara, Kazuhiro. / Performance evaluation of short-range MIMO using a method for controlling phase difference between each propagation channel. In: IEICE Transactions on Communications. 2013 ; Vol. E96-B, No. 10. pp. 2513-2520.
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