(With the transmission of broadband and business diversification becoming the general trend of communication development, the core network now has the characteristics of ultra-high speed and ultra-capacity, so the construction of broadband access network has become a bottleneck problem that must be managed by the telecommunication network. Meanwhile, broadband wireless access is winning the favor of the industry for its advantages such as agile networking, easy upgrade and maintenance, and high-speed two-way data transmission.)
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