You need to connect some external power supply to your USB hub. You can use any Quick Charge or Power Delivery trigger to add more voltage than required to compensate for voltage drop.
There are tons of them at Aliexpress and you can browse even reviews in certain forums:
Test/review of QC2-3 Trigger QCGET
There are tons of them at Aliexpress and you can browse even reviews in certain forums:
Test/review of QC2-3 Trigger QCGET