发明名称 |
SYSTEM AND METHOD OF UMTS UE LOCATION USING UPLINK DEDICATED PHYSICAL CONTROL CHANNEL AND DOWNLINK SYNCHRONIZATION CHANNEL |
摘要 |
A system and method for estimating a location of a wireless device in a wireless communication system having a plurality of nodes and a plurality of location measurement units ("LMUs"). A set of signal samples from a first wireless device and a second wireless device may be collected by one or more LMUs in a search window. A first time of arrival ("TOA") is determined, and a second search window is estimated as a function of the first TOA. A second TOA may be determined within the second search window at a second node or one of the LMUs from the set of signal samples. A range estimate of the wireless device may then be determined, and an estimated location of the wireless device may be determined as a function of the first uplink TOA, the second uplink TOA, or the range estimate and second TOA.
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申请公布号 |
CA2681105(A1) |
申请公布日期 |
2010.04.06 |
申请号 |
CA20092681105 |
申请日期 |
2009.10.05 |
申请人 |
ANDREW LLC |
发明人 |
ISLAM, TARIQUL;CARLSON, JOHN;AL-MUFTI, KHALID;HANNAN, ARIFUL |
分类号 |
G01S5/02;G01S5/06;H04W4/22;H04W64/00 |
主分类号 |
G01S5/02 |
代理机构 |
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主权项 |
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地址 |
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