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IEICE TRANSACTIONS on Information

Development and Outdoor Evaluation of an Experimental Platform in an 80-MHz Bandwidth 22 MIMO-OFDM System in 5.2-GHz Band

Hisayoshi KANO, Shingo YOSHIZAWA, Takashi GUNJI, Shougo OKAMOTO, Morio TAWARAYAMA, Yoshikazu MIYANAGA

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Summary :

The IEEE802.11ac task group has announced the use of a wider channel that extends the channel bandwidth to more than 80 MHz. We present an experimental platform consisting of a baseband and a RF unit in a 22 MIMO-OFDM system for the wider channel and report its system performance results from a field experiment. The MIMO-OFDM transceiver in the baseband unit has been designed to detect real-time MIMO and provides a maximum data rate of 600 Mbps. OFDM tends to cause high peak PAPR for wider channels and distorts the power amplifier performance in the RF unit. We have improved the non-linear distortion by optimizing the OFDM preamble and evaluated its performance by conducting a simulation integrated with baseband processing and a RF. In the field experiment, our platform tested the communication performance in a farm and a passage environment.

Publication
IEICE TRANSACTIONS on Information Vol.E94-D No.12 pp.2400-2408
Publication Date
2011/12/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E94.D.2400
Type of Manuscript
PAPER
Category
Computer System

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