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An Investigation on LTE Mobility Management
Jan. 2013 (vol. 12 no. 1)
pp. 166-176
Ren-Huang Liou, National Chiao Tung University, Hsinchu
Yi-Bing Lin, National Chiao Tung University, Hsinchu
Shang-Chih Tsai, National Chiao Tung University, Hsinchu
Mobility management in Long Term Evolution (LTE) is different from that in the third generation mobile telecom networks. In LTE, the Mobility Management Entity (MME) is responsible for the mobility management function. The MME is connected to a large number of evolved Node Bs (cells) that are grouped into the Tracking Areas (TAs). The TAs are further grouped into TA Lists (TALs). When a User Equipment (UE) moves out of the current TAL, it reports its new location to the MME. If the LTE network attempts to connect to the UE, the MME asks the cells in the TAL to page the UE. In LTE paging, the MME may sequentially page a cell, the TA of the cell, and/or the TAL of the cell. This paper investigates the performance of LTE paging, and provides the guidelines for the best paging sequence of cells.
Index Terms:
Mobile radio mobility management,Mobile computing,Telecommunications,Analytical models,Long Term Evolution,Numerical models,paging,Location update,long term evolution (LTE),mobility management
Citation:
Ren-Huang Liou, Yi-Bing Lin, Shang-Chih Tsai, "An Investigation on LTE Mobility Management," IEEE Transactions on Mobile Computing, vol. 12, no. 1, pp. 166-176, Jan. 2013, doi:10.1109/TMC.2011.255
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