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    • 2. 发明授权
    • Methods and apparatus for positioning measurement in multi-antenna transmission systems
    • 在多天线传输系统中定位测量的方法和装置
    • US09204418B2
    • 2015-12-01
    • US14168250
    • 2014-01-30
    • Telefonaktiebolaget LM Ericsson (publ)
    • Iana SiominaYngve Selén
    • H04W24/00H04W64/00G01S5/10
    • H04W64/00G01S5/10
    • This document discloses solutions for using a mix of reference signal types in a wireless communications network, e.g., a first type and a second type, in making positioning-related measurements. In one example, a UE uses a “mix” of CRS and PRS. As an example case, a UE receives PRS and, possibly, CRS from one or more cells, while it receives only CRS from one or more other cells. In this case, the UE determines, e.g., received signal timing values for CRS as received from some cells, on a per-cell basis, and for PRS as received from other cells, on a per-cell basis. The UE can measure and report on per-signal/per-cell basis and can perform calculations involving a mix of timing measurements made for both CRS and PRS. In a further aspect, reference signal transmissions are controlled or coordinated on a per-port basis in cells that use multiple antenna ports for transmitting within each such cell.
    • 本文件公开了在无线通信网络(例如,第一类型和第二类型)中使用参考信号类型的混合来进行定位相关测量的解决方案。 在一个示例中,UE使用CRS和PRS的“混合”。 作为示例情况,UE从一个或多个其他小区仅接收CRS,而从一个或多个小区接收PRS和可能的CRS。 在这种情况下,UE以每个小区为基础确定从一些小区接收的CRS的接收信号定时值,以及基于每个小区从其他小区接收的PRS的接收信号定时值。 UE可以基于每个信号/每个单元来测量和报告,并且可以执行涉及针对CRS和PRS的时序测量的混合的计算。 在另一方面,在使用多个天线端口用于在每个这样的小区内传输的小区中,基于每端口的参考信号传输被控制或协调。