REFERENCE SIGNAL TRANSMITTING METHOD, RECEIVING METHOD AND DEVICE
FIG10 is a schematic diagram of antenna panel patterns corresponding to different codeword structures according to an embodiment of this application
As shown in FIG10, a codeword structure in the M precoding matrix sets predefined in the system is relevant to distribution of a plurality of antenna ports of the UE and antenna distances between the plurality of antenna ports. Antenna distances between four antenna ports in a same polarization direction in a panel pattern 1 (pattern 1) and a panel pattern 4 (pattern 4) are relatively large. Therefore, when the base station configures a precoding matrix set, the base station sets codewords in precoding matrix sets corresponding to the panel pattern 1 (pattern 1) and the panel pattern 4 (pattern 4) as some codewords applicable to large antenna distances. Optionally, the codewords applicable to large antenna distances may be codewords applicable to large antenna distances in a dual-codebook configuration of four antenna ports in an LTE-A system. As shown in FIG10, codewords in precoding matrix sets corresponding to a panel pattern 2 (pattern 2) and a panel pattern 3 (pattern 3) are some codewords applicable to small antenna distances. For example, optionally, the codewords applicable to small antenna distances may be codewords applicable to small antenna distances in a dual-codebook configuration of four antenna ports in an LTE-A system. Further, because the antenna distances between the four antenna ports in the same polarization direction in the panel pattern 1 (pattern 1) and the panel pattern 4 (pattern 4) are different, different precoding matrix sets may be configured for the panel pattern 1 and the panel pattern 4 respectively. This is not specifically limited herein in this embodiment.
schematic diagram
4
panel pattern
3
panel pattern
2
layer
['5. The method according to any one of claims 1 to 4, wherein the receiving, by a second network device, first group information of reference signal port from a first network device comprises: receiving, by the second network device, signaling from the first network device, wherein the signaling indicates the first group information of the reference signal port; and the signaling comprises at least one of higher layer signaling, layer 1 signaling, and layer 2 signaling.']