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10-Gbit/s Bidirectional and 20-Gbit/s Unidirectional 2-ch Wireless Data Transmission System Using 120-GHz-Band Finline Orthomode Transducers

Jun TAKEUCHI, Akihiko HIRATA, Hiroyuki TAKAHASHI, Naoya KUKUTSU, Yoshiaki YAMADA, Kei KITAMURA, Mitsuhiro TESHIMA

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Summary :

This paper presents 10-Gbit/s bidirectional and 20-Gbit/s unidirectional wireless data transmission systems using 120-GHz-band finline orthomode transducers (OMTs). A new finline OMT was fabricated with two improved designs, to adapt it to the data transmission characteristics of the 120-GHz-band wireless link. One improvement is higher isolation between orthogonal ports and the other is lower group delay variation. The measured isolation is more than 59dB at the carrier frequency of the 120-GHz-band wireless link, and the measured group delay variation is 43ps. Using the finline OMT, we developed 10-Gbit/s bidirectional and 20-Gbit/s unidirectional wireless equipment that can transmit two channels of 10-Gbit/s data using polarization multiplexing. With this wireless equipment, we succeeded in 10-Gbit/s bidirectional and 20-Gbit/s unidirectional wireless data transmission, which leads to successful seamless connection to 10 Gigabit Ethernet and 12-ch high definition television signal transmission.

Publication
IEICE TRANSACTIONS on Electronics Vol.E97-C No.2 pp.101-110
Publication Date
2014/02/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E97.C.101
Type of Manuscript
PAPER
Category
Microwaves, Millimeter-Waves

Authors

Jun TAKEUCHI
  NTT Corporation
Akihiko HIRATA
  NTT Corporation
Hiroyuki TAKAHASHI
  NTT Corporation
Naoya KUKUTSU
  NTT Corporation
Yoshiaki YAMADA
  NTT Corporation
Kei KITAMURA
  NTT Corporation
Mitsuhiro TESHIMA
  NTT Corporation

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