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Reply To: SDCCH congestion



When a MS is performing a SDCCH transfer (call setup, SMS, loc. upd.) and suffering low Rxlev, poor RxQual, or better neighbour, then the BSC will command the MS to perform aHO to a neighbour cell. The MS will resume the SDCCH transfer on a SDCCH subchannel of the target cell.

That’s a SDCCH HO.

in the first cell: outgoing ho
in the target cell : incoming ho