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60 mins is very short for the periodic location update timer (T3212), you can certainly set this to a period of several hours. A value in the range 4-8 hours is usual.

The default value for...

What values of T3212 and DrxCycleCoeff do you have?

If you were using Huawei equipment you could follow their recommendations and ensure that your PS inactivity timer expires before the radio link failure timer... you should see how your PS call drop...

You can certainly modify the soft handover parameters, to make it more difficult to add a cell to the active set and to release a cell more easily. The comment above regarding fast moving users is...

Some further info: T314 can take on one of the values (0, 2, 4, 6, 8, 12, 16, 20) seconds, while T315 can be one of (0,10, 30, 60, 180, 600, 1200, 1800) seconds. It's not a good idea to set a large...

Do the UEs report candidate cells in the target RAT? What about the minimum thresholds in the target RAT?

From Wikipedia: "A rake receiver is a radio receiver designed to counter the effects of multipath fading. It does this by using several "sub-receivers" called fingers, that is, several correlators...

Have you checked the pilot pollution in your building? Also, PSC repetition… you don't have any cells with the same scrambling code anywhere close by? There are some limitations that apply in these...

Worked it out in the end, without CELL_PCH enabled (i.e. only CELL_DCH, CELL_FACH, and idle mode), Huawei have a simple solution to drops in CELL_FACH... don't count them :o

So when you enable...

That's interesting... no problems with UE compatibility? Are you using Huawei equipment? How would you do this?

In the Huawei RAN, apart from enabling the second SCCPCH (I think most networks are using this configuration now?), you can enable the P2D and D2P transitions to skip CELL_FACH in case of congestion....

Have you switched off HSUPA? Also, disable the higher data-rate R99 RABs. You can also modify the RACH parameters and reduce the impact of RRC signaling on the uplink.

One of the common optimizations to reduce RTWP is to increase the CQI reporting period to 8ms.

You can find some modified PS DCR formulas at the back of this document: http://www.scribd.com/doc/89114097/CELL-PCH-Feature-Implementation-Guild-in-3G-Network

There is also a section about the...

In "my" network, Huawei RAN 13, V900R013ENGC00SPC586, we recently activated CELL_PCH. The PS inactivity timers for background and interactive timers are 900s (15 mins) to take advantage of the...

Hi all, this may be of some use: I had a problem with Genex Assistant V3R3 and V3R5, when I attempted to create a new project, the procedure would fail with this SQL error:

32609

It turns out...

I think he means the PROCESSSWITCH3_UM_RRCRELCMP_RLDEL_DELAY_SWITCH in URRCCTRLSWITCH?

I'm surprised it made such a big difference, from the information I saw, this problem only affected certain...

I know of 3 providers for Movistar's 3G RAN: E///, Huawei, and NSN.

posted in wrong topic

Zeesh, I noticed you set CellReSelectTimer=60 and CellReSelectCounter=1... with those settings I was able to move maybe 3% of the mobiles from CELL_PCH to URA_PCH in the network here. Then we tried a...

I assume this is a real case? Not just a thought experiment?

Not much point in looking at this from the network point of view, it's a UE error. From the OP's description it looks like when the UE...

From 3GPP, "If the radio interface Security Control Procedure fails, SECURITY MODE REJECT shall be sent to CN with a cause value indicating failure in the radio interface procedure".

Possibly the...

From what I've seen periodic reporting is used when the network is new, maybe in an initial tuning phase, to collect good statistics about the soft handover performance. Then when the network is more...

Not really, the SCRI coming from the mobiles (without a cause value, which is the pre-release 8 implementation) is interpreted as an error condition by the network, which releases the signaling...

How much higher is PS drop than CS? Your PS drop rate in IRAT will always be higher because of the reduced spreading factor for PS services (plus compressed mode reduces the spreading factor again...