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Use of SS7 in D-AMPS-based PCS: orthodoxy vs. heterodoxy

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1 Author(s)
R. H. Glitho ; Ericsson, Montreal, Que., Canada

D-AMPS, the digital version of the Advanced Mobile Phone System (AMPS), is among the key technologies for providing personal communications services (PCS). The bulk of signaling in D-AMPS-based PCS, as, in most modern telecommunication systems, is based on Signaling System No. 7 (SS7). SS7 is a general-purpose common channel signaling (CCS) system specified by the International Telecommunication Union Telecommunications Standardization Sector (ITU-T) and adapted to North American needs by the American National Standard Institute (ANSI). Besides the orthodox use for signaling, SS7 is used in D-AMPS-based PCS for operation, administration, maintenance, and provisioning (OAM&P) of the D-AMPS-based PCS network and for the short message service (SMS). This article reviews the use of SS7 in D-AMPS-based PCS. It motivates the need for a gradual return to orthodoxy where this use is confined to signaling. It also proposes alternatives to the current heterodox use. The alternatives the authors suggest are all rooted in orthodoxy

Published in:

IEEE Personal Communications  (Volume:4 ,  Issue: 3 )