Simple analog beamforming method for short range MIMO transmission

Author

Kataoka, Ryohei ; Nishimori, Kentaro ; Makino, Hiroaki

Author_Institution

Grad. Sch. of Sci. & Technol., Niigata Univ., Niigata, Japan

fYear

2012

fDate

4-7 Dec. 2012

Firstpage

812

Lastpage

814

Abstract

In the short range MIMO transmission, an optimal element spacing, which maximizes the channel capacity, exists, when the transmit distance between the transmitter and receiver is given. We focus on that the weight by a zero forcing (ZF) at the optimal element spacing can be realized by using 90-degree phase shifters and dividers because the matrix of weight by the ZF at the optimal element spacing can be expressed as the unitary matrix. In this paper, we propose the simple decoding method for short range MIMO transmission by using analog devices. Moreover, it is shown that the proposed method is effective by the evaluation via Bit Error Rate.

Keywords

MIMO communication; array signal processing; channel capacity; channel coding; error statistics; matrix algebra; phase shifters; radio receivers; radio transmitters; MIMO transmission; ZF; analog beamforming method; bit error rate; channel capacity maximisation; optimal element spacing; phase divider; phase shifter; receiver; simple decoding method; transmitter; unitary matrix; zero forcing; Antenna arrays; Arrays; Bit error rate; Channel capacity; Decoding; MIMO; Signal to noise ratio; 90-degree phase shifter; optimal element spacing; short range MIMO transmission; unitary matrix; zero forcing;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference Proceedings (APMC), 2012 Asia-Pacific

Conference_Location

Kaohsiung

Print_ISBN

978-1-4577-1330-9

Electronic_ISBN

978-1-4577-1331-6

Type

conf

DOI

10.1109/APMC.2012.6421744

Filename

6421744