Phase rotation sequence selection method for IFDMA with DDCE

Kazunori Yamamoto, Koichi Adachi, Tomoaki Ohtsuki

研究成果: Conference contribution

1 引用 (Scopus)

抜粋

Single-carrier frequency-division multiple-access (SC-FDMA) with frequency domain equalization (FDE) can provide good performance even in a frequency selective fading channel. In this paper, we focus on a special kind of SC-FDMA, i.e., interleaved frequency-division multiple-access (IFDMA) because of its peak-to-average power ratio (PAPR) property and frequency diversity gain. FDE requires accurate channel estimation. In the case of fast time varying fading channel, decision directed channel estimation (DDCE) is effective. However, in IFDMA, amplitude of each subcarrier may fluctuate depending on the combination of data symbols, then estimation accuracy may degrade. That can be avoided by multiplying information data sequence by random phase sequence. The performance depends on the selection of the sequence. In this paper, selection criterion suitable for IFDMA with DDCE is proposed. The effect of the proposed method is evaluated by computer simulation. The results will show the proposed method can lower the error floor of the system.

元の言語English
ホスト出版物のタイトル2011 IEEE 73rd Vehicular Technology Conference, VTC2011-Spring - Proceedings
DOI
出版物ステータスPublished - 2011 8 29
イベント2011 IEEE 73rd Vehicular Technology Conference, VTC2011-Spring - Budapest, Hungary
継続期間: 2011 5 152011 5 18

出版物シリーズ

名前IEEE Vehicular Technology Conference
ISSN(印刷物)1550-2252

Other

Other2011 IEEE 73rd Vehicular Technology Conference, VTC2011-Spring
Hungary
Budapest
期間11/5/1511/5/18

    フィンガープリント

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

これを引用

Yamamoto, K., Adachi, K., & Ohtsuki, T. (2011). Phase rotation sequence selection method for IFDMA with DDCE. : 2011 IEEE 73rd Vehicular Technology Conference, VTC2011-Spring - Proceedings [5956263] (IEEE Vehicular Technology Conference). https://doi.org/10.1109/VETECS.2011.5956263