System and method for providing robust location based services
摘要
A system and method for anticipating wireless signal loss and providing location based services in view of the anticipated wireless signal loss is disclosed.
申请公布号
US8150406(B1)
申请公布日期
2012.04.03
申请号
US20020331216
申请日期
2002.12.30
申请人
CRANDALL EVAN STEPHEN;GREENSPAN STEVEN LLOYD;LIN WAYZEN;AT&T INTELLECTUAL PROPERTY I, LP
发明人
CRANDALL EVAN STEPHEN;GREENSPAN STEVEN LLOYD;LIN WAYZEN
