| 摘要 |
FIELD: radio engineering and communications.SUBSTANCE: embodiments of present invention discloses method and data transmission device, and above method comprises first unit of at least two second groups of resources in each of first group of resources and installation of at least two reference signals in each of second groups of resources; then data are encoded, which must be transmitted, and two data streams of encoded data; then displayed two flows at resource element of two different antenna ports, where reference signals corresponding to two different antenna ports are arranged on two different second groups of resources; finally, data are transmitted at resource element of two different antenna ports on two antenna ports.EFFECT: present invention can be used in communication systems.7 cl, 13 dwg |
