Patent ID: 8605631
Filing Date: 2013-12-10
Classification: H04L,H04W

Abstract:
1. A transmission terminal for transmitting transmission data to at least one reception terminal, the transmission terminal comprising: a grouping table storage section for storing a grouping table in which an Ack return order position indicating a priority order of the at least one reception terminal which returns an Ack, and an address of the at least one reception terminal are set, the Ack return order position being a value unique to the respective at least one reception terminal; a wireless transmission/reception section for demodulating a frame received from the reception terminal, and modulating a frame to be transmitted to the reception terminal; a frame classification section for classifying an Ack and an Ack return order position response frame from the frame that the wireless transmission/reception section has received; an Ack analyzing section for analyzing the Ack; an Ack return order position response frame analyzing section for analyzing the Ack return order position response frame; an application section for executing an application and creating the transmission data; an Ack return order position notification frame creation section for notifying the at least one reception terminal of the Ack return order position, based on the grouping table; an Ack return permission information determination section for referring to the grouping table, determining one or more reception terminals that are each to be permitted to return an Ack, and creating Ack return permission information in which information about the determined one or more reception terminals that are each to be permitted to return the Ack is set; and a multicast creation section for creating a multicast containing the Ack return permission information and the transmission data.