FPUを持たない32bitMCU用GPSナビゲーションプログラムの高速化
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概要
- 論文の詳細を見る
This paper describes the design and implementation of an accelerated Global Positioning System (GPS) navigation program for a 32-bit embedded microcontroller unit without a floating-point processing unit. By optimizing the software floating-point library, introducing a new floating-point format and improving the math functions, the new GPS navigation program saves about 90% of the execution time compared to that implemented by a GNU C compiler and the precision is degraded by only 0.6%.
- 社団法人映像情報メディア学会の論文
- 1999-10-20
著者
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Sakamoto Tadashi
System Lsi Development Center Mitsubishi Electric Corporation
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Asai Takashi
System Lsi Development Center Mitsubishi Electric Corporation
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Guo Liou-Tzung
System LSI Development Center, Mitsubishi Electric Corporation
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Taruki Maiko
System LSI Development Center, Mitsubishi Electric Corporation
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Hase Tomohiro
System LSI Development Center, Mitsubishi Electric Corporation
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Guo Liou-tzung
System Lsi Development Center Mitsubishi Electric Corporation
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Taruki Maiko
System Lsi Development Center Mitsubishi Electric Corporation
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Hase T
Ryukoku Univ. Shiga‐ken
関連論文
- FPUを持たない32bitMCU用GPSナビゲーションプログラムの高速化
- 組み込み用32ビットマイクロプロセッサを用いたGPSベースバンド部のソフトウェア化手法(ITS(高度交通情報システム)のための映像情報メディア技術)