How to improve SDSR at huawei 2G

[sabila]

i'm working with project swap 2G siement to Huawei
the last swap is use satelit transmission(IDR)
the other BTS done with result good SDSR
but the last one(use satelit) had drop sdsr
may the master huawei and all of you can share how to improve sdsr at 2G huawei using abis satelit

many thanks