Patent ID: 8023939
Filing Date: 2011-09-20
Classification: H04B,H04W

Abstract:
1. A communications system, comprising: a first wireless communications system configured to provide wireless communications over short range wireless communications links using a first frequency band; and a second wireless communications system configured to provide wireless communications using at least a portion of the first frequency band; wherein the first wireless communications system is a Dedicated Short Range Communications (DSRC) system that is configured to provide information to/from transportation vehicles using a DSRC frequency band; wherein the DSRC system comprises one or more road-side access points configured to exchange information with transceivers that are installed in vehicles such that frequencies used by the DSRC system are used at or near roads/highways by the DSRC system and remain unused by the DSRC system remote from the roads/highways; wherein the second wireless communications system is not a DSRC system and is not configured to provide information to/from transportation vehicles; and wherein the second wireless communications system comprises at least one base station that is located remote from the roads/highways and that is configured to use at least one frequency of the DSRC frequency band that remains unused by the DSRC system remote from the roads/highways.