REFERENCE SIGNAL TRANSMITTING METHOD, RECEIVING METHOD AND DEVICE
FIG11 is a schematic structural diagram of an apparatus for transmitting a signal according to an embodiment of this application  FIG12 is a schematic structural diagram of an apparatus for receiving a signal according to an embodiment of this application
Corresponding to the method for transmitting a signal according to this embodiment of this application, this embodiment further provides an apparatus for transmitting a signal. The apparatus is disposed in a terminal device. As shown in FIG11, specifically, the apparatus includes a receiving unit 1101, a processing unit 1102, and a transmission unit 1103.  Corresponding to the foregoing apparatus for transmitting a signal, this embodiment further provides an apparatus for receiving a signal. As shown in FIG12, the apparatus is disposed in a base station. Further, the apparatus includes a receiving unit 1201, a processing unit 1202, and a transmission unit 1203.
schematic structural diagram
12
RB includes
1201
receiving unit
1203
transmission unit
1101
receiving unit
1202
processing unit
1102
processing unit
1103
transmission unit
['19. An apparatus for transmitting a reference signal, wherein the apparatus is disposed in a second network device and comprises: a receiving unit, configured to receive first group information of reference signal port from a first network device, wherein the first group information comprises information about N  groups of reference signal port, N is a positive integer, and N≥1; a processing unit, configured to determine a k th  group of reference signal antenna port in the N groups of reference signal ports, wherein k is a positive integer, and N≥k≥1; and a transmission unit, configured to transmit a reference signal on the k th  group of reference signal antenna port.']