Browse Prior Art Database

RECOVERY OF TSBK'S IN A MULTI-CAST SYSTEM VIA VOTING SCAN

IP.com Disclosure Number: IPCOM000009747D
Original Publication Date: 2000-May-01
Included in the Prior Art Database: 2002-Sep-16

Publishing Venue

Motorola

Related People

Authors:
John Hamrick David Mills

Abstract

In an effort to reduce the cost of a simulcast system a multicast system has been created. In these systems the outbound (to the subscriber) audio is transmitted from several base repeaters at the same time. Each of these base repeaters transmits on a dif~ ferent frequency. In order to provide a wide area roaming capabil~ ity, the subscriber radios scans the different station transmit frequencies. When activity is found on one of the frequencies, the radio quickly checks the remaining frequencies to detennine which frequency has the strongest signal. The radio will then select the frequency with the strongest signal and unmute.