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    Re: LTE RAN Utilization : How to measure ?

    You need to check the counters already mentioned. Its also worthwhile checking the Minimum no of used PRBs on a low granularity(eg. 15 minute counters), No of users with data in buffer, delay in the...
  2. Re: Throughput in multivendor environment nokia & huawei

    And how is this being measured? Via KPI or Speedtest? If its KPI, I would not be too worried as there are so many variables. If its Speedtest, assuming sample size is large and comparable, then there...
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    Question Re: Rank confusion in LTE

    This has confused me in the past too. I believe (and will stand corrected because i never got a satisfactory answer to it) that you can get RI=1 more often when you enable TM4. But that doesn't mean...
  4. Thread: Cluster defining

    by jan74
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    Question Re: Cluster defining

    That depends on a lot of stuff. Best practice is to have a completed cluster of sites. In other words, you should not have clusters where you are awaiting sites to be built. The next thing is that it...
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    Re: RAT search order of LTE capable UEs

    It listens to the last known Tech first, bands within that according to priority and then other RATs according to priority.

    Regards
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    Question Re: Impact of Cell PCH disable at RNC

    Youre already out of PCH by the time you are downloading so its not that. However i cant understand why PCH is disabled in the first place. Ping must be really slow too? You need more samples in a...
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    Re: NSN counter M1001C714

    I think you can trust it for what it is. In my experience , it does what it says on the tin. It basically reports a drop when RAB active failure happens within 10 seconds after receiving 1A event...
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    Size of LTE Logfiles

    Hi,

    Just wondering how people are managing with the size of their LTE logfiles, particularly while using TEMS. The logs are enormous and this presents processing issues with certain tools such as...
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    Re: Impact of coverage on Call setup time

    Yes. Weak UL coverage or quality means you may have delays in having your RACH received. Then the RRC may need to be retransmitted if ACK is not received by the network. You could even drop your RRC...
  10. Thread: RTWP in 4G LTE

    by jan74
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    Re: RTWP in 4G LTE

    There is a measurement of noise, but its measured on the PUSCH. Similar to RTWP but appears to only be measured on the PUSCH....
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    Question Re: HSDPA Accessibility drop

    Hi,

    Do you mean Setup Fail HSDSCH due to UE? What exact AC counter is triggered? This can be UL or DL related. Also, what SW version of NSN are you? Without this information, its difficult to...
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    Question Re: HSUPA failures due to max users NSN

    No surprises there.... You will get used to that with NSN...
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    Re: RU30 Delta Optimisation training

    Is this what youre looking for? If so, let me know and I will post the rest. 30606
  14. Re: High RTWP Issue (External interference suspected)

    We have had a lot of this on a network I worked on. It certainly looks like interference. Check your HSUPA allocations. Presumably they are very low when RTWP is high. Users get R99 UL in these...
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    Question Re: EXPERTS : RAB SSR vs RRC SSR

    Well maybe if you explained what your problem is a clear way, it would be easier to answer. You won't be getting a whole lot of reputations by getting into a huff when people try to help you.
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    Question Re: EXPERTS : RAB SSR vs RRC SSR

    Not sure what exactly you mean but if you mean why is RRC worse than RAB, the answer is that they are 2 completely different processes. Also, the RAB only starts once the RRC ends, so the chances...
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    Re: RX_LEV SUB vs RX_LEV FULL in ACTIX

    The reason, at least this was the reason 12 years ago when I did this!, was that SUB values measured the average values over 4 samples per 100. This is more accurate because when DTX is used, only 4...
  18. Thread: what happened?

    by jan74
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    Question Re: what happened?

    Check your neighbour definitions are correctly defined and check you don't have 2 neighbours with the same BCCH/BSIC. It sounds obvious but sometimes neighbour definitions are overlooked when...
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    Replaying Video Calls with TEMS/Actix

    Hi,

    Just wondering about post-processing of multimedia drive tests. I am trying to establish how to judge the quality of performance of a drive test logfile where Video is streamed in real-time....
  20. Thread: TraceViewer NSN

    by jan74
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    Question Re: TraceViewer NSN

    Welcome to NSN! No tracing available as standard!
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    Question Re: How to improve HSDPA

    Im not sure what you mean but we were testing 21Mbps feature and were only getting 12-13Mbps. Changing the TCP settings worked and brought us to 18Mbps. We used a free online tool called DrTCP to see...
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    Question Re: How to improve HSDPA

    We spent a while wondering the same until we realised the laptop's default TCP settings were inappropriate. You need to ensure that the TCP Recive Window is set correctly. We used 256000. Previously,...
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    Re: RAB reconfiguration from HSPA to DCH

    That is true, but in these cases, there are no handover procedures. Thats the strange thing.
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    Re: RAB reconfiguration from HSPA to DCH

    But why HSPA Compressed Mode? We are not talking about changing cell or carrier.
  25. Thread: HSPA End To End

    by jan74
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    Original Re: HSPA End To End

    Please give some document details...What is in it and who is it from?

    Thanks
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