how Signaling PPS on Iu interface (partially IP networking) work:
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Signaling PPS on Iu interface (partially IP networking) principle as follows: Total number of signaling packets on Iu interface (PPS) = total number of MSC subscribers (k) * S (number of packets in single process * number of processes) /3600 * 1000= total number of MSC subscribers * {[average BHCA per subscriber in busy hours * (ratio of calling subscribers in current office * number of packets in MO call process + ratio of called subscribers in current office * number of packets in MT call process)] + number of location updates per subscriber in busy hours * number of packets in location update process + number of IMSI detachments per subscriber in busy hours * number of packets in IMSI detachment process + number of MO SM per subscriber in busy hours * number of packets in MO SM process + number of MT SM per subscriber in busy hours * number of packets in MT SM process + (number of intra-office handovers per subscriber in busy hours + number of inter-office handovers per subscriber in busy hours/2) * (number of packets in MO handover process + number of packets in MT handover process)} / 3600 x1000 |

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