| 发明名称 | System and/or method of locating a portable service access transceiver | ||
| 摘要 | Described are devices, methods, techniques and systems for locating a portable services access transceiver (PSAT) for use in aiding emergency “911” services. In one implementation, one or more conditions indicative of movement of a PSAT may initiate a process for obtaining a new estimated location of the PSAT. In another implementation, a location of a PSAT may be determined or updated using indoor navigation techniques. | ||
| 申请公布号 | US9544923(B2) | 申请公布日期 | 2017.01.10 |
| 申请号 | US201615004658 | 申请日期 | 2016.01.22 |
| 申请人 | QUALCOMM Incorporated | 发明人 | Gupta Rajarshi;Das Saumitra Mohan;Rowitch Douglas Neal;Sridhara Vinay |
| 分类号 | H04W4/04;H04W76/00;H04W4/02;H04W64/00;G01S5/02;H04W4/22;H04W84/00;H04W84/04 | 主分类号 | H04W4/04 |
| 代理机构 | Berkeley Law & Technology Group, LLP | 代理人 | Berkeley Law & Technology Group, LLP |
| 主权项 | 1. A method comprising, at a personal service access transceiver (PSAT): communicating with a location server to obtain indoor navigation assistance parameters; acquiring one or more indoor navigation signals; computing an estimate of a location of said PSAT based, at least in part, on application of characteristics of at least one of said acquired one or more indoor navigation signals to said indoor navigation assistance parameters; and indicating to said location server that said estimated location of said PSAT is unreliable based on a determination that said PSAT has been relocated. | ||
| 地址 | San Diego CA US | ||