Today

it’s a trend in the telecommunication area to change from narrowband to broadband and change from wire to wireless. With the development of the operators companies in China

users of networks also advanced their request of network service quality. So the broadband wireless access technology is beginning a hot resolution. Then

what’s the difference of the fixed broadband wireless access technology to the mobile broadband wireless access technology? This paper firstly looked into the structure of the two systems

then focuses on their differences and made a contract research of the two technologies.