The original idea of a Chinese satellite navigation system was conceived by Chen Fangyun and his colleagues in the 1980s. According to the China National Space Administration, the development of the system would be carried out in three steps:
কখন চেন ফ্যাঙ্গিউন স্যাটেলাইট ন্যাভিগেশন সিস্টেমের ধারণা নিয়ে এসেছিলেন?
in the 1980s