Invention Grant
US09351277B2 Timing synchronization for downlink (DL) transmissions in coordinated multipoint (CoMP) systems 有权
协调多点(CoMP)系统中的下行链路(DL)传输的定时同步

Timing synchronization for downlink (DL) transmissions in coordinated multipoint (CoMP) systems
Abstract:
Technology for adjusting a receiver timing of a wireless device in a Coordinated MultiPoint (CoMP) system is disclosed. One method can include the wireless device receiving a plurality of node specific reference signals (RSs) from a plurality of cooperating nodes in a coordination set of the CoMP system. The coordination set includes at least two cooperating nodes. The wireless device can estimate a composite received RS timing from a plurality of received RS timings generated from the plurality of node specific RSs. The received RS timings represent timings from the at least two cooperating nodes. The wireless device can adjust the receiver timing based on the composite received RS timing. A node specific RS can include a channel-state information reference signal (CSI-RS).
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