10-7 DQPSK受信信号の復号性能の改善(第10部門 放送技術(方法方式))

平瀬 勝典; 平松 達夫; 富澤 眞一郎; 小曽根 真; 飯塚 和久

doi:10.11485/itewac.2009.0__10-7-1_

PROCEEDINGS OF THE ITE WINTER ANNUAL CONVENTION

Online ISSN : 2424-2306
Print ISSN : 1343-4357
ISSN-L : 1343-4357

2009

Session ID : 10-7

DOI https://doi.org/10.11485/itewac.2009.0__10-7-1_

Conference information

Name : 2009 ITE Winter Annual Convention

Location : [in Japanese]

Date : December 16, 2009 - December 17, 2009

10-7 Improvement of demodulation performance for DQPSK

Katsunori HIRASE, Tatsuo HIRAMATSU, Sinichiro TOMISAWA, Makoto OZONE, Kazuhisa IIZUKA

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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

In this paper, a method that generates metrics using the probablilty density of two signals immediately before and after in time is proposed. Results from the simulations of bit error rate (BER) found that the proposed method made an approximate 1dB improvement over conventional methods.

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