Huawei CDMA traffic load balancing

[faisal.ayub1]

Dear All,
I need to know the parameters to balance traffic load between different sites's sectors in CDMA 20001x.

We have Huawei cBSC6600

Please help me.
thanks

[T_ADD]

load balancing between different site's sectors is best done by antenna up/down tilt. this is done to increase or decrease overlap between sectors and hence balancing traffic.

when/if you've done this, you could try this command:

Add Load Balance HHO Target Carrier

Command NameADD HHOLOADTRG
Command Function This command is used to add target carrier sets of load balance hand handoff.
Load balance hard handoff: When a carrier is overloaded and the load balance hard handoff target carriers configured for this carrier are not overloaded, the BSC starts load balance hard handoff, handing off some calls of the source carrier to the target carrier.

Note 1. Center carriers and target carriers must be real.
2. A center carrier can be configured with up to six groups of target carrier sets. Different target carrier sets are configured with different channel numbers or bands. This command can be executed to add a group of target carrier sets.
3. A group of target carrier sets include six targets, not feature master/slave.
4. The target carriers of a group of target carrier sets share the same band and channel number.
5. Center carriers and target carriers are represented in the form: "BTSID-CN-SCTID-ARFCN-BNDCLS".
6. Target carrier sets and target carriers are separated through ",".
7. Configure target carrier sets of the same band first to ensure that hand handoff of the same band takes precedence over hand handoff of different bands.
8. For the band class information, refer to the instructions on the ADD CDMACH command.

Add the first group of target carrier sets for a center carrier with these attributes: BTSID-1, CN-10, SCTID-0, ARFCN-26, BNDCLS-BC800.
The target carrier set contains two target carriers:
Target carrier 1: BTSID-1, CN-10, SCTID-1, ARFCN-88, BNDCLS-BC800
Target carrier 2: BTSID-1, CN-10, SCTID-0, ARFCN-88, BNDCLS-BC800:
ADD HHOLOADTRG: CCDMACH="1-10-0-26-0", NBRCDMACHS="1-10-1-88-0,1-10-0-88-0";

Add the second group of target carrier sets for the center carrier with these attributes: BTSID-1, CN-10, SCTID-0, ARFCN-26, BNDCLS-BC800.
The target carrier set contains two target carriers:
Target carrier 1: BTSID-1, CN-10, SCTID-1, ARFCN-66, BNDCLS-BC800
Target carrier 2: BTSID-1, CN-10, SCTID-0, ARFCN-66, BNDCLS-BC800:
ADD HHOLOADTRG: CCDMACH="1-10-0-26-0", NBRCDMACHS="1-10-0-66-0,1-10-1-66-0";


Related Commands Remove Load Balance HHO Target Carrier: RMV HHOLOADTRG (file:///D:/Airbridge/onlinehelp/Document/DataMan%20RMV%20HHOLOADTRG.htm)
Modify Load Balance HHO Target Carrier: MOD HHOLOADTRG (file:///D:/Airbridge/onlinehelp/Document/DataMan%20MOD%20HHOLOADTRG.htm)
Query Load Balance HHO Target Carriers: LST HHOLOADTRG (file:///D:/Airbridge/onlinehelp/Document/DataMan%20LST%20HHOLOADTRG.htm)

[faisal.ayub1]

Dear,
Thanks but what about the prioritization of some sectors after the analysis of their link quality, that if we want to give priority to one sector so that when user setup a call then it would be served by the prior sector instead of the one which we want to prohibit like in GSM we can define priorities.

Can you share me a document related to the soft parameters used in CDMA for the fine tuning of problem. I already have some but it is not that special .

Thanks alot

[T_ADD]

For setting channel priority you could try the following 2 commands.

ADD CDMACH
ADD NBRCDMACH

In these commands are sub fields to set channel priority.

I don't have any documents on this.

[hamody2005]

For Load Balance between sites as he said only Antenna azimuth and Tilt can help you

for NBR commands priority

MOD SFNBRCDMACH for Same-frequency NBRs in Traffic state
MOD NBRCDMACHP for Same-frequency NBRs in Idle state