Performance Evaluation of Trellis-Coded 16 and 32-APSK Schemes (Special Section on Multi-dimensional Mobile Information Networks)
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概要
- 論文の詳細を見る
Multi-ary Trellis-Coded Modulation (TCM) schemes have been studied for use with digital radio communication systems. Among these TCM schemes, we have already reported the optimum signal constellation of a rate-3/4 trellis-coded (TC) 16-ary Amplitude and Phase Shift Keying (APSK) scheme and computed the minimum Euclidean distance: d_<free>. In this paper, we evaluate other performance parameters: N_<free> and bit error rate (BER) over an additive white Gaussian noise channel, and further investigate the various signal constellations of rate-4/5 TC 32-APSK schemes. It is found that the BER performances of circular-type signal constellations are superior to that of rectangular-type in the TC 16-APSK, and a (24,8) circular type signal constellation is superior to other constellations in the TC 32-APSK.
- 社団法人電子情報通信学会の論文
- 1999-07-25
著者
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Sato Eiichi
Department Of Pathology Imakiire General Hospital
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Nakajima Shigeo
Department Of Developmental Medicine (pediatrics) D-5 Osaka University Graduate School Of Medicine.
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Nakajima Shigeo
Department Of Information And Electronics Engineering Niigata Institute Of Technology
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Sato E
Niigata Inst. Of Technol. Kashiwazakishi Jpn
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Sato Eiichi
Department Of Ophthalmology Asahikawa Medical University
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Sato Eiichi
Department Of Ophthalmology Asahikawa Medical College
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Sato Eiichi
Department Of Information And Electronics Engineering Niigata Institute Of Technology
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