Gateway apparatus based on WiMAX access
A gateway device and network-side technology, which is applied in the field of communication, can solve problems such as inconvenient use and limited coverage of the intranet, and achieve the effect of ensuring correct transmission
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[0023] Considering the problem of fixed intranet coverage and limited coverage in related technologies, the present invention proposes to use WiMAX network for coverage. There is a local area network (Local Area Network, LAN) inside the enterprise, and it can also access the external Internet (Internet).
[0024] At present, the standard defines the layered structure of the IEEE 802.16 Medium Access Control (MAC) layer of WIMAX, which is divided into three sublayers: Service Specific Convergence Sublayer (Service Specific Convergence Sublayer), Common Sublayer ( Common Part Sublayer) and Security Sublayer (Security Sublayer).
[0025] Among them, the main function of the convergence sublayer is to be responsible for converting and mapping the external data received by its access point (SAP) to the MAC service data unit (SDU), and passing it to the MAC layer service access point (SAP), that is, Map connection-oriented public part services (MAC services) into standard types of ...
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