METHOD OF SITE SELECTION PERFORMED DURING AUDIO HOLES IN VOICE TRAFFIC
Original Publication Date: 1998-Jun-01
Included in the Prior Art Database: 2002-Jul-05
In a multisite tnmked radio system, site selection during a voice call is difficult due to the possibility of missing real time voice data while sampling other sites. This need is not apparent on the control channel due to the repeated nature of control channel data. This problem typically only occurs when there is a long duration voice call. A long call can occur when there is a period of heavy dispatch use, or when the user is engaged in a phone patch or a private call. In these cases the conversation tends to be lengthy and the radio will not return to the control channel until the radio is out of range for the site it is using. Dropping the call due to this out of range condition would have been prevented if the radio were able to perform site selection during the long duration call.