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2g, 2.5g and 3g traffic

Viewing 3 posts - 1 through 3 (of 3 total)
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  • #34930 Reply
    Charley
    Guest

    Dear all,

    I have GSM and GPRS traffic data from ericsson system and want to use them for 3g traffic forecast. There has some question while I am doing it.
    1. I can get the busy hour Mean hold time by do huge statistics for sites of BSC or MSC. How to get the BHCA by using the real traffic counters?
    2. I need creat traffic raster in planning tool. The traffic is concerning the weight of clutters, vectors and polygons. Is any way to get more accuracy weight of them?
    3. We know that Ericsson GPRS R8 only supports CS1 with 9.05kbps and CS2 with 13.4kbps. CS1 is mandatory for BSS and CS1 to 4 is for MS. Ericsson traffic formula is only considering CS2:
    RBCDL(or RBCUL)*/50/3600 Erlang or
    RBCDL(or RBCUL)*12/50/3600 k bit/s.
    why they use 12kbps instead of 9.05 or 13.4 for UL and DL?
    4.How to get mean busy hour capacity for GPRS per subscriber by using the real ericsson counters?
    5. Any advise convert 2g and 2.5 g traffic to 3g traffic?

    Thanks a lot.
    Charley

    #34931 Reply
    Casper
    Guest

    Hi, Charles, I am very interested in your questions. Would you please share your experiences with me? My email id is casperpremium@163.com. Thanks a lot and best regards!

    #34932 Reply
    Francisco
    Guest

    Hi Charley,

    I’ve got some expertise in calculating this kind of things but from the counters specified on the ETSI. Could you share what are the real Ericsson counters in order to match the counters?

    For your question 3, it dependends on what counts the RCBDL counter, whether it counts CS1, CS2 or both RLC blocks.

    rgds

Viewing 3 posts - 1 through 3 (of 3 total)
Reply To: Reply #34931 in 2g, 2.5g and 3g traffic
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