| 摘要 |
<p>The invention discloses a method for realizing downlink channel estimation, which includes that: a serving base station authorizes a terminal in a coordinated multi-point state to transmit a dedicated sounding signal, meanwhile, the serving base station sends the authorization information to a coordinated base station (101); after obtaining the authorization of the serving base station, the terminal in the coordinated multi-point state transmits the dedicated sounding signal (102); the serving base station receives the dedicated sounding signal, the coordinated base station receives the dedicated sounding signal according to the authorization information, and the serving base station and the coordinated base station perform downlink channel estimation according to the dedicated sounding signal (103). The invention also provides a system for realizing downlink channel estimation. Downlink channel estimation can be realized based on the technical solution of the invention.</p> |
