A Novel Design Technique for Wireless LAN Receiver Systems utilizing Dithering Signals

• Project/Area Number: 24700049
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Computer system/Network
• Research Institution: University of Yamanashi (2013); Kyushu University (2012)
• Principal Investigator: KANEMOTO Daisuke 山梨大学, 医学工学総合研究部, 助教 (90603332)
• Project Period (FY): 2012-04-01 – 2014-03-31
• Project Status: Completed (Fiscal Year 2013)
• Budget Amount: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000); Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2012: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
• Keywords: LSI / 無線 / 1bit 分解能 A/D / ディザ / A/D変換器 / 1bit分解能 / 1bit A/D変換 / ディザ信号 / RF回路 / WLAN

Research Abstract

We have investigated low cost implementation design technique for wireless communication LSIs. We are interested in a single carrier phase modulation (constant envelope modulation) system in order to eliminate a variable-gain amplifier and a high resolution A/D converter. We proposed a new low cost implementation technique which uses the one bit resolution A/D converter. By utilizing the customized equalizer for the one bit resolution A/D converter, the size of the A/D converter can be reduced to 0.007mm2. The proposed techniques can improve SNR approximately 7dB with small die size.

Research Products

• [Presentation] IFサンプリング1bit A/D変換方式を採用した無線受信機の構成検討と試作による評価 (2014)
  • Author(s): 兼本大輔,牟田修,古川浩,金谷晴一,大木真
  • Organizer: 第27回回路とシステムワークショップ
  • Place of Presentation: 兵庫県
  • Year and Date: 2014-08-04
• [Presentation] (2014)
  • Author(s): Daisuke Kanemoto,Osamu Muta, Hiroshi Furukawa, Takahide Sato, and Makoto Ohki
  • Organizer: The 18th IEEE International Symposium on Consumer Electronics
  • Year and Date: 2014-06-24
• [Presentation] (2014)
  • Author(s): Osamu Muta
  • Organizer: IEICE Information and Communication Technology Forum 2014
  • Place of Presentation: Poznan
  • Year and Date: 2014-05-28
  • Invited
• [Presentation] A Novel Idea of One Bit Resolution ADC for Small Analog Hardware Wireless Receivers (2014)
  • Author(s): Daisuke Kanemoto, Osamu Muta, Hiroshi Furukawa, Takahide Sato, and Makoto Ohki
  • Organizer: IEEE Symposium on Low-Power and High-Speed Chips COOL Chips XVII
  • Place of Presentation: 神奈川県(P-11【Best Poster Award受賞】)
  • Year and Date: 2014-04-14
• [Presentation] 1bit分解能A/D変換器を用いた無線機の検討 (2014)
  • Author(s): 兼本大輔,牟田修,古川浩,佐藤隆英,大木真
  • Organizer: 電気学会電子回路研究会
  • Place of Presentation: 神奈川県
  • Year and Date: 2014-03-06
• [Presentation] 1bit分解能A/D変換器を用いた無線機の検討 (2014)
  • Author(s): 兼本大輔，牟田修，古川浩，佐藤隆英，大木真
  • Organizer: 電気学会 電子回路研究会
  • Place of Presentation: 横浜,神奈川大学横浜キャンパス
• [Presentation] A Novel Idea of One Bit Resolution ADC for Small Analog Hardware Wireless Receivers (2014)
  • Author(s): Daisuke Kanemoto,Osamu Muta, Hiroshi Furukawa, Takahide Sato and Makoto Ohki
  • Organizer: IEEE Symposium on Low-Power and High-Speed Chips COOL Chips XVII
  • Place of Presentation: Yokohama,Joho Bunka Center
• [Presentation] Introduction of Research Activities on Wireless Communications in EJUST Center (2014)
  • Author(s): Osamu Muta
  • Organizer: IEICE Information and Communication Technology Forum 2014
  • Place of Presentation: Poland,Poznan,Lecture-Conference Center
  • Invited
• [Presentation] Linearity Enhancement Technique for one bit A/D converter in wireless communication devices (2014)
  • Author(s): Daisuke Kanemoto,Osamu Muta, Hiroshi Furukawa, Takahide Sato and Makoto Ohki
  • Organizer: The 18th IEEE International Symposium on Consumer Electronics
  • Place of Presentation: Korea,Jeju, Jeju Grand Hotel
• [Presentation] IFサンプリング1bit A/D変換方式を採用した無線受信機の構成検討と試作による評価 (2014)
  • Author(s): 兼本大輔,牟田修，古川浩，金谷晴一，大木真
  • Organizer: 第27回 回路とシステムワークショップ
  • Place of Presentation: 淡路夢舞台国際会議場
• [Presentation] 定包絡線変調受信機のための1bit量子化A/D変換器の構成と性能評価 (2013)
  • Author(s): 兼本大輔,牟田修,福永龍太,古川浩,金谷晴一,吉田啓二
  • Organizer: 無線通信システム研究会
  • Place of Presentation: 沖縄県(pp.119-124)
  • Year and Date: 2013-04-18
• [Presentation] 1bitADCを用いる無線シングルキャリア位相変調システムの伝送特性評価 (2013)
  • Author(s): 牟田修,兼本大輔,福永龍太,古川浩
  • Organizer: 通信方式研究会
  • Place of Presentation: 山形県(pp.229-233)
  • Year and Date: 2013-03-07
• [Presentation] 無線シングルキャリア位相変調信号に適した1bit A/D変換器の構成と性能評価 (2013)
  • Author(s): 兼本大輔,牟田修,古川浩,金谷晴一,吉田啓二
  • Organizer: 通信方式研究会
  • Place of Presentation: 山形県(pp.223-227)
  • Year and Date: 2013-03-07
• [Presentation] 無線シングルキャリア位相変調信号に適した1bit A/D変換器の構成と性能評価 (2013)
  • Author(s): 兼本大輔, 牟田 修, 古川 浩, 金谷晴一, 吉田啓二
  • Organizer: 通信方式研究会
  • Place of Presentation: 山形県
• [Presentation] 1bitADCを用いる無線シングルキャリア位相変調システムの伝送特性評価 (2013)
  • Author(s): 牟田 修,兼本大輔,福永龍太,古川 浩
  • Organizer: 通信方式研究会
  • Place of Presentation: 山形県
• [Presentation] 定包絡線変調受信機のための1bit量子化A/D変換器の構成と性能評価 (2013)
  • Author(s): 兼本大輔, 牟田修, 福永龍太, 古川 浩, 金谷晴一, 吉田啓二
  • Organizer: 無線通信システム研究会
  • Place of Presentation: 沖縄県
• [Remarks]
  • URL: http://www.sp.es.yamanashi.ac.jp/~kanemoto/
• [Remarks] 山梨大学 兼本助教のホームページ
  • URL: http://www.sp.es.yamanashi.ac.jp/~kanemoto/
• [Patent(Industrial Property Rights)] 量子化雑音の影響下の定包絡線変調システムにおける非線形等化技術 (2012)
  • Inventor(s): 牟田 修,古川 浩,兼本大輔,小寺康平
  • Industrial Property Rights Holder: 牟田 修,古川 浩,兼本大輔,小寺康平
  • Industrial Property Rights Type: 特許
  • Industrial Property Number: 2012-187912
  • Filing Date: 2012-08-28
• [Patent(Industrial Property Rights)] 量子化雑音の影響下の定包絡線変調システムにおける非線形等化技術 (2012)
  • Inventor(s): 牟田,古川, 兼本, 小寺
  • Industrial Property Rights Holder: 牟田,古川, 兼本, 小寺
  • Industrial Property Rights Type: 特許
  • Industrial Property Number: 2012-187912
  • Filing Date: 2012