A Fixed and Mobile Broadband Converged Access Network Architecture

Abstract

The invention discloses fixed and mobile broadband fused access network architecture. The architecture comprises a central office, multiple wavelength division multiplexing loops and a PON (Passive Optical Network) access module. The central office comprises a plurality of upper linkage units and a resource pool. Each wavelength division multiplexing loop comprises a loop local end unit and multiple loop far end units. The PON access module comprises an ODN and ONUs. The upper linkage units are communicated with a core network. The resource pool virtualizes functions such as an OLT (optical line terminal), CPE (Customer Premise Equipment), a BAS (Broadband Access Server) and a BBU (Building Baseband Unit) based on an NFV (Network Function Virtualization) technology. Each wavelength division multiplexing loop is used for realizing optical transmission between the PON access module, base stations and big customers, and the central office. The base stations and the big customers are directly connected with the loop far end units. The ONUs are connected with fixed broadband users or base stations and RRUs of mobile broadband and access the fixed broadband users and the base stations and RRUs to the network. Optical transmission between the loop far end units and the ONUs is realized through the ODN. According to the architecture, the fixed broadband and mobile broadband fused sharing is realized in the network resource aspect; the low-cost and multi-access advantages of the PON technology are exerted fully; and the low-cost, high-capacity, high-sped and high- survivability transmission is realized.

Description

technical field [0001] The invention relates to the field of metropolitan access, in particular to a fixed and mobile broadband fusion access network architecture. Background technique [0002] Under the requirements of the continuous development of the Internet, cloud computing, and the Internet of Things, the "Broadband China Strategy" raises fixed broadband and mobile broadband access to the same status as infrastructure such as water, electricity, and gas. With the continuous popularization and function upgrade of smart terminals, as well as the full-service operation of operators, the synergy between fixed network and mobile can better meet the needs of users and improve user experience. [0003] For a long time, fixed broadband and mobile broadband have been independent of each other, and the two networks each form a "chimney" architecture ( figure 1 shown). At present, although fixed broadband and mobile broadband services have been integrated through "package packa...

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Problems solved by technology

[0005] Mobile broadband has the characteristics of convenient access, but the tariff is high and the speed is low

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