Title:
COMMUNICATION DEVICE
Document Type and Number:
Japanese Patent JP2012175252
Kind Code:
A
Abstract:
To provide a communication device performing communication with high efficiency and high quality regardless of a state of a transmission path.
A communication device has: a reception unit for receiving image signals transmitted by using a plurality of frequency bands; and a transmission unit for estimating a state of a transmission path of each frequency band based on the image signals received by the reception unit and changing at least one of an image coding rate and an error correction coding rate in accordance with the estimated state of the transmission path to transmit image signals based on the image coding rate and the error correction coding rate.
Inventors:
OKA AKIHIRO
SATO FUMIAKI
YAMASHITA MASAHARU
SHIRAISHI JUNICHI
SATO FUMIAKI
YAMASHITA MASAHARU
SHIRAISHI JUNICHI
Application Number:
JP2011033274A
Publication Date:
September 10, 2012
Filing Date:
February 18, 2011
Export Citation:
Assignee:
HITACHI INT ELECTRIC INC
International Classes:
H04L1/00; H04J11/00; H04N19/00; H04N19/115; H04N19/164; H04N19/65
Attorney, Agent or Firm:
Kurata Masatoshi
Takakura Shigeo
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Morisezo Iseki
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takakura Shigeo
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Morisezo Iseki
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
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