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POSITIONING SUPPORT INFORMATION FOR TIME OF ARRIVAL (TOA) ESTIMATION IN POSSIBLE MULTIPATH PROPAGATION CONDITIONS
POSITIONING SUPPORT INFORMATION FOR TIME OF ARRIVAL (TOA) ESTIMATION IN POSSIBLE MULTIPATH PROPAGATION CONDITIONS
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机译:在可能的多路径传播条件下到达时间(TOA)估计的定位支持信息
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摘要
There is provided a method for providing Observed Time Difference of Arrival (OTDOA) Reference Signal Time Difference (RSTD) measurements from a wireless device to a location server. The method comprises sending, from the wireless node to the location server, a capability to support OTDOA location measurements using multipath RSTD, receiving, at the wireless node, a request for OTDOA location measurements using multipath RSTD, from the location server. The method comprises receiving, at the wireless node, assistance data providing details of required OTDOA location measurements using multipath RSTD from the location server, receiving, at the wireless node, a signal from an RSTD reference cell and a neighbor cell. The method comprises observing, at the wireless node, a time difference between the received signals thereby obtaining the required OTDOA location measurements using multipath RSTD and sending the required OTDOA location measurements using multipath RSTD from the wireless node to the location server.
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