Presentations
Adachi, Koichi
101-120 items (total 207)
CAZAC系列を用いたチャープ分割多重方式
- Speaker
- 齊藤稜弥, 安達宏一
- Conference Title
- [Conference Category Domestic presentation] Dates 2026.01.26 - 2026.01.27
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
LoRaWANにおける間接的な干渉状況の通知手法
- Speaker
- 早坂勇飛, 安達宏一
- Conference Title
- [Conference Category Domestic presentation] Dates 2025.11.12 - 2025.11.14
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
LoRaWANにおけるACKを必要としないマルチホップ再送制御
- Speaker
- 赤須賢司, 青山巧貴, 更屋貴大, 安達宏一
- Conference Title
- [Conference Category Domestic presentation] Dates 2025.01.29 - 2025.01.30
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
LoRa変調を活用した機械学習によるシステム外干渉検知法の検討
- Speaker
- 蕪木碧仁, 安達宏一, Dusit Niyato
- Conference Title
- [Conference Category Domestic presentation] Dates 2025.01.29 - 2025.01.30
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- Yes
- Conference Category
- Oral presentation (general)
Joint Phase-Time Arraysの応用による到来方向推定
- Speaker
- 上田恭平, 安達宏一
- Conference Title
- [Conference Category Domestic presentation] Dates 2025.01.29 - 2025.01.30
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
分数拡散率LoRa信号の干渉量定量化および多重伝送における検討
- Speaker
- 斎藤稜弥, 安達宏一
- Conference Title
- [Conference Category Domestic presentation] Dates 2024.12.19 - 2024.12.20
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
受信窓タイミングキャリアセンスに基づく分散型MAC
- Speaker
- 蕪木碧仁, 安達宏一, 田久修
- Conference Title
- [Conference Category Domestic presentation] Dates 2024.12.19 - 2024.12.20
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
無線物理量変換一括収集法による移動集約局を用いた環境認識アルゴリズムの一検討
- Speaker
- 伊藤利, 田久修, 太田真衣, 藤井威生, 安達宏一
- Conference Title
- [Conference Category Domestic presentation] Dates 2024.07.17 - 2024.07.19
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
［依頼講演］無線資源割り当てに基づくLPWANの高度化に関する検討
- Speaker
- 安達宏一
- Conference Title
- [Conference Category Domestic presentation] Dates 2025.11.20 - 2025.11.21
- Invitation Status
- With
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (invited, special)
周波数選択性チャネルにおける直交グループ設計を考慮したMC-CDMA伝送のBERの検討
- Speaker
- 安達宏一, 中川正雄
- Conference Title
- [Conference Category Domestic presentation] Dates 2009.03.17 - 2009.03.20
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
セルラー方式のチャネル容量に関する一検討
- Speaker
- 安達宏一, 安達文幸, 中川正雄
- Conference Title
- [Conference Category Domestic presentation] Dates 2008.03.18 - 2008.03.21
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
残留ICI/IAIを考慮したMC-CDMA MIMOのチャネル容量
- Speaker
- 安達宏一, 安達文幸, 中川正雄
- Conference Title
- [Conference Category Domestic presentation] Dates 2008.03.18 - 2008.03.21
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
周波数選択性チャネルにおけるMIMOチャネル容量の考察
- Speaker
- 安達文幸, 安達宏一, 小島洋平, 武田一樹
- Conference Title
- [Conference Category Domestic presentation] Dates 2008.03.18 - 2008.03.21
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
協力中継通信における通信路状態に基づく軟判定シンボルを用いる中継方法
- Speaker
- 福山裕己, 田久修, 安達宏一, 中川正雄
- Conference Title
- [Conference Category Domestic presentation] Dates 2007.03.20 - 2007.03.23
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
協力通信における誤り検出符号の結果に基づき軟判定シンボルを送信する中継方法
- Speaker
- 福山裕己, 田久修, 安達宏一, 中川正雄
- Conference Title
- [Conference Category Domestic presentation] Dates 2006.03.24 - 2006.03.27
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
LPWA通信における異種無線システムの周波数共用における干渉耐性能力の評価
- Speaker
- 太田昇吾, 田久修, 太田真衣, 安達宏一, 藤井威生, 笹森文仁, 半田志郎
- Conference Title
- [Conference Category Domestic presentation] Dates 2018.03.20 - 2018.03.23
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
IFDMAにおける適応位相回転によるスペクトル平滑化効果に関する特性評価
- Speaker
- 李威, 田久修, 安達宏一, 中川正雄
- Conference Title
- [Conference Category Domestic presentation] Dates 2009.09.15 - 2009.09.18
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
周波数領域位相回転を用いるMC-CDMAへの繰り返し信号処理の適用効果
- Speaker
- 安達宏一, 中川正雄
- Conference Title
- [Conference Category Domestic presentation] Dates 2009.09.15 - 2009.09.18
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
基地局スリープ技術が端末のエネルギー消費量に与える影響の評価
- Speaker
- 高橋一成, 安達宏一
- Conference Title
- [Conference Category Domestic presentation] Dates 2018.03.20 - 2018.03.23
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)
CSMA/CA における機械学習を用いた無線リソース割り当て手法
- Speaker
- 相原直紀, 安達宏一
- Conference Title
- [Conference Category Domestic presentation] Dates 2018.03.20 - 2018.03.23
- Invitation Status
- Without
- Presentation Format
- Domestic presentation
- Language of Publication
- Japanese
- International Co-authorship
- No
- Conference Category
- Oral presentation (general)