Patent ID: 9084102
Filing Date: 2015-07-14
Classification: H04W

Abstract:
1. An enhanced Node B (eNB) for contention-free handoff of an emergency telephone call in a wireless network, the eNB comprising: a transceiver system configured to communicate with a User Equipment (UE); and a processing system coupled to the transceiver system and configured to receive a telephone call from the UE via the transceiver system, with the processing system being further configured to determine if the telephone call comprises an emergency telephone call, if the telephone call comprises an emergency telephone call, then determine neighbor eNBs that are not configured to provide contention-free handoffs, if the telephone call comprises an emergency telephone call, then reserve a contention-free (CF) preamble from each neighbor eNB that is not configured to provide contention-free handoffs, and provide the reserved CF preambles to the UE.