阅读说明：本技术 发送和接收信息的方法、发送装置和接收装置 (Method for transmitting and receiving information, transmitting device and receiving device ) 是由 苏立焱 于 2018-01-19 设计创作，主要内容包括：本申请实施例提供了一种发送和接收信息的方法、发送装置和接收装置,涉及通信领域。其方法为：发送装置生成索引；索引指示单码字所使用的预编码信息；发送装置向接收装置发送索引。本申请实施例用于sTTI系统中终端设备的预编码矩阵的确定。(The embodiment of the application provides a method for sending and receiving information, a sending device and a receiving device, and relates to the field of communication. The method comprises the following steps: the transmitting device generates an index; the index indicates precoding information used by the single codeword; the transmitting device transmits the index to the receiving device. The method and the device are used for determining the precoding matrix of the terminal equipment in the sTTI system.)