US Patent No. 9,106,382

QUALITY ADJUSTMENT FOR VOLTE EMERGENCY CALLS


Patent No. 9,106,382
Issue Date August 11, 2015
Title Quality Adjustment For Volte Emergency Calls
Inventorship Amar Nath Ray, Shawnee, KS (US)
Assignee Sprint Communications Company L.P., Overland Park, KS (US)

Claim of US Patent No. 9,106,382

1. A method of operating a wireless access node to facilitate communication quality adjustments during voice over long term
evolution (VoLTE) communication sessions, the method comprising:
exchanging VoLTE packets with a wireless communication device during a VoLTE emergency call with a public safety answering
point (PSAP);

receiving a scheduling request transmitted from the PSAP, wherein the scheduling request includes an identifier associated
with the wireless communication device and specifies hybrid automatic repeat request (HARQ) settings for the VoLTE emergency
call; and

responsive to the scheduling request, issuing a scheduling grant to the wireless communication device based on the HARQ settings
specified in the scheduling request.