Base station switchover method
A base station switching, source base station technology, applied in the direction of using return channel for error prevention/detection, electrical components, radio/induction link selection and arrangement, etc. The effect of handling the load
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[0025] In the embodiment of the present invention, ARQ entity and ARQ first-level cache are first set in the MAC (Medium Access Control, medium access control layer) in the base station, and the PDCP (Packet Data Convergence Protocol, packet data aggregation in the access gateway) protocol layer) to set the ARQ secondary cache. The content of the ARQ L2 cache is the header-compressed IP packet, that is, the PDCP PDU. The content in the ARQ level 1 buffer is MAC PDU, and MAC PDU has two data composition methods: 1), the original PDCP service data unit SDU with or without MAC header information, in this case, the relationship between MAC PDU and PDCP PDU is 1:1 ; 2) The PDCP SDU is concatenated / segmented according to a fixed length, and then the MAC header information is added or not added. In this case, the MAC PDU and the PDCP PDU have a one-to-many, many-to-1 or many-to-many relationship. The capacity of the ARQ L2 cache is equal to or slightly larger than the ARQ L1 cache, ...
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