User face data inverse-transmitting method for realizing the switching across base station
A technology for user plane data and cross-base stations, applied in digital transmission systems, data exchange networks, transmission systems, etc., can solve the problems of long data processing paths, increased handover processing delays, and increased handover delays to reduce processing time latency, shortened latency, reduced protocol processing, and the effects of data replication between layers
Active Publication Date: 2010-06-23
ZTE CORP
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Abstract
The present invention discloses a user face data inverse-transmitting method for realizing the switching across a base station, which comprises the following steps: data is received by a user face; message protocol dada units PDUs are stored at a high layer, and a lower layer is noticed to process massage protocol; after the massages are successfully transmitted, the PDUs of corresponding massages are deleted by the high layer according to the touching of the lower layer; when is switched, the high layer of a source side base station sends the PDUs of stored massages which need to be transmitted inversely to an target base station. Thus, when data needs to be transmitted inversely, by the linkage of the high layer and the lower layer, the data is directly sent out by the high layer to the target base station, so a data processing path is greatly shortened, and further, the processing time delay in the switching across a base station is extendedly reduced. On the premise that the existing protocol is followed, switched data is moved to the GTPU layer of TNL by inverse-transmitting operation. Thus, not only the lossless transmission of the switched data is realized, but also the inverse-transmitting time delay of the data can be effectively reduced, the repeated data processing and interlayer data copying are largely reduced, and the inverse-transmitting time delay of the user face data is effectively shortened.
Application Domain
Wireless network protocolsData switching networks
Technology Topic
Time delaysData needs +5
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