| 摘要 |
PROBLEM TO BE SOLVED: To allow a coverage extension technique to specify the amount of resources at which resources are not unnecessarily wasted and communication can be made.SOLUTION: A communication device communicating with another communication device detects a signal from the other communication device, specifies the amount of resources used in communication of a certain amount of data from the other communication device to the communication device, and transmits one prescribed signal corresponding to the specified amount of resources to the other communication device from a plurality of prescribed signals that are known already by the communication device and the other communication device, and that are each corresponding to different amounts of resources including at least one of a frequency and time used when the certain amount of data is communicated.SELECTED DRAWING: Figure 8 |
