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IMSI (International Mobile Station Identity) is a unique number associated with all GSM and UMTS network mobile phone user. IMSI filtering-a prefix filtering, is an important function in the 3G firewall. It is an indefinite filtering which affects the efficiency of the security device. This paper brings forward a parallel processing method which uses vector coding and structure of bloom filter. This...
IMSI (International Mobile Station Identity) is a unique number associated with all GSM and UMTS network mobile phone user. IMSI filtering - a prefix filtering, is an important function in the 3G firewall. It is an indefinite filtering which affects the efficiency of the security device. This paper brings forward a parallel processing method which uses vector coding and structure of bloom filter....
APN (access point name) is a valuable parameter for charge in the third generation (3G) communication. So the APN filtering check GTP protocol messages to determine if a roaming subscriber is allowed to access a specified external network which is an important function in 3G security device. The length of APN character and indefinite length matching are two difficulties for some Trie tree algorithms...
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