Terminal and Processing Method After Access Failure of Terminal

Abstract

A terminal and a processing method after an access failure of the terminal, the method comprising selecting, by a terminal in response to the terminal moving from a first cell to a second cell, a public land mobile network (PLMN), where the terminal is configured with a first registration public land mobile network (RPLMN) in the first cell, establishing, by the terminal, a radio resource control (RRC) connection with the second cell, and storing, by the terminal, the selected PLMN in response to the terminal failing to establish the RRC connection with the second cell.

What is claimed is: 
     
         1 . A method comprising:
 selecting, by a terminal in response to the terminal moving from a first cell to a second cell, a public land mobile network (PLMN), wherein the terminal is configured with a first registration public land mobile network (RPLMN) in the first cell;   establishing, by the terminal, a radio resource control (RRC) connection with the second cell; and   storing, by the terminal, the selected PLMN in response to the terminal failing to establish the RRC connection with the second cell.   
     
     
         2 . The method according to  claim 1 , further comprising:
 accessing, by the terminal, a third cell, wherein the terminal is configured with a second RPLMN in the third cell;   determining, by the terminal, whether the selected PLMN is equal to the second RPLMN; and   sending, by the terminal, indication information or a logged report to the third cell, wherein the indication information indicates a logged report is available.   
     
     
         3 . The method according to  claim 2 , wherein the terminal sends the indication information to the third cell; and
 wherein the method further comprises:
 receiving, by the terminal, a request message from the third cell; and 
 sending, by the terminal, the logged report to the third cell according to the request message. 
   
     
     
         4 . The method according to  claim 2 , wherein the logged report comprises minimization of drive tests (MDT) log data. 
     
     
         5 . The method according to  claim 2 , wherein the logged report comprises a radio link failure (RLF) report or handover failure (HOF) report. 
     
     
         6 . The method according to  claim 1 , wherein the storing, by the terminal, the selected PLMN in response to the terminal failing to establish the RRC connection with the second cell comprises storing the selected PLMN in an access failure PLMN list. 
     
     
         7 . The method according to  claim 6 , wherein the storing, by the terminal, the selected PLMN in response to the terminal failing to establish the RRC connection with the second cell comprises storing an equivalent public land mobile network (EPLMN) corresponding to the selected PLMN in the access failure PLMN list, wherein the EPLMN is an EPLMN of the selected PLMN that is selected by the terminal before the RRC connection fails to be established. 
     
     
         8 . An apparatus, comprising:
 a processor,   a non-transitory computer-readable storage medium storing a program to be executed by the processor, the program including instructions to:   select, in response to the apparatus moving from a first cell to a second cell, a public land mobile network (PLMN), wherein the apparatus is configured with a first registration public land mobile network (RPLMN) in the first cell;
 establish a radio resource control (RRC) connection with the second cell; and 
 store the selected PLMN in response to the apparatus failing to establish the RRC connection with the second cell. 
   
     
     
         9 . The apparatus according to  claim 8 , wherein the program further comprises instructions to:
 access a third cell, wherein the apparatus is configured with a second RPLMN in the third cell;   determine whether the selected PLMN is equal to the second RPLMN; and   send indication information or a logged report to the third cell, wherein the indication information indicates a logged report is available.   
     
     
         10 . The apparatus according to  claim 9 , wherein the indication information is sent to the third cell; and
 wherein the program further includes instructions to:
 receive a request message from the third cell; and 
 send the logged report to the third cell according to the request message. 
   
     
     
         11 . The apparatus according to  claim 9 , wherein the logged report comprises minimization of drive tests (MDT) log data. 
     
     
         12 . The apparatus according to  claim 9 , wherein the logged report comprises a radio link failure (RLF) report or handover failure (HOF) report. 
     
     
         13 . The apparatus according to  claim 8 , wherein the instructions to store the selected PLMN in response to the apparatus failing to establish the RRC connection with the second cell include instructions to store the selected PLMN in an access failure PLMN list. 
     
     
         14 . The apparatus according to  claim 13 , wherein the instructions to storing the selected PLMN in response to the apparatus failing to establish the RRC connection with the second cell further include instructions to store an equivalent public land mobile network (EPLMN) corresponding to the selected PLMN in the access failure PLMN list, wherein the EPLMN is an EPLMN of the selected PLMN that is selected by the apparatus before the RRC connection fails to be established. 
     
     
         15 . A non-transitory computer readable storage medium, wherein the non-transitory computer readable storage medium stores a program, that, when executed by a processor, causes the processor to:
 select, in response to moving from a first cell to a second cell, a public land mobile network (PLMN), wherein the processor has access to a first registration public land mobile network (RPLMN) in the first cell;   establish a radio resource control (RRC) connection with the second cell; and   store the selected PLMN in response to failing to establish the RRC connection with the second cell.   
     
     
         16 . The non-transitory computer readable storage medium according to  claim 15 , wherein the program, when executed by the processor, further causes the processor further to:
 access a third cell, wherein the processor has access to a second RPLMN in the third cell;   determine whether the selected PLMN is equal to the second RPLMN; and   send indication information or a logged report to the third cell, wherein the indication information indicates a logged report is available.   
     
     
         17 . The non-transitory computer readable storage medium according to  claim 16 , wherein the indication information is sent to the third cell; and
 wherein the program, when executed by the processor, further causes the processor to:
 receive a request message from the third cell; and 
 send the logged report to the third cell according to the request message. 
   
     
     
         18 . The non-transitory computer readable storage medium according to  claim 16 , wherein the logged report comprises minimization of drive tests (MDT) log data. 
     
     
         19 . The non-transitory computer readable storage medium according to  claim 16 , wherein the logged report comprises a radio link failure (RLF) report or handover failure (HOF) report. 
     
     
         20 . The non-transitory computer readable storage medium according to  claim 15 , wherein the program, when executed by the processor, causing the processor to store the selected PLMN in response to failing to establish the RRC connection with the second cell comprises the program, when executed by the processor, causing the processor to:
 store the selected PLMN in an access failure PLMN list; and   store an equivalent public land mobile network (EPLMN) corresponding to the selected PLMN in the access failure PLMN list, wherein the EPLMN is an EPLMN of the selected PLMN that is selected by before the RRC connection fails to be established.