Method and system for transmitting non-access layer information during switching procedure
A handover process and transmission method technology, which is applied in the field of NAS message transmission during the handover process, can solve the problems of wasting air interface resources, increasing delay, and not processing NAS messages, etc., and achieve the effect of saving air interface resources and reducing delay
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[0031] In order to make the purpose, technical solution and beneficial effect of the invention clearer, the specific implementation manner of the invention will be described in detail below in conjunction with the accompanying drawings.
[0032] Such as image 3 Shown is a schematic diagram of the transmission flow of the NAS message when the X2 port handover is successful in the specific embodiment of the present invention.
[0033] Step 301: The UE sends a handover confirmation message to the target eNB. If the UE has a NAS message to send at this time, it piggybacks the NAS message in the handover confirmation message and caches the NAS message. The specific method is that the UE generates the first NAS PDU IE, and inserts the IE into the IE list of the handover confirmation message described below.
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