The invention discloses a realization method of an ARQ (automatic repeat request) protocol in SWIPT based on relay selection. The protocol comprises the following steps that at a sending end, a sending data packet is broadcast and sent from a source node to a target node, and feedback information from the target node is waited; at a receiving end, the target node carries out detection according to the received information, if the information is correctly received, the target node can broadcast an acknowledgement signal ACK, the source node continuously transmits a next new data packet after receiving the signal, and otherwise, the target node can broadcast a non-acknowledgement signal NACK. At the moment, a relay network formed by M relays deployed between the sending end and the receiving end can participate in the data packet transmission process according to the self receiving condition (correct or not). The method has the advantage that the relay with the greatest signal-to-noise ratio to the target node is selected from the correctly decoded relays to participate in the repeated transmission.

Realization method of ARQ (automatic repeat request) protocol in SWIPT based on relay selection

Multi-rate adaptive cooperative access method and system

Hierarchical cooperation access method and system as well as cooperative nodes

The invention discloses an implementation method based on an ARQ protocol in a multi-relay SWIPT relay network. The protocol includes the steps that at the transmitting end, a source node broadcasts and transmits a data packet to a destination node and waits feedback information from the destination node; at the receiving end, the destination node conducts detection according to the received information, if the information is correctly received, the destination node will broadcast an acknowledged signal ACK, the source node continues to transmit the next new data packet after receiving the signal, and otherwise, the destination node will broadcast an unacknowledged signal NACK. At the moment, relays which are correctly decoded retransmit data packets according to two combination schemes.

Implementation method based on ARQ protocol in multi-relay SWIPT relay network

Fast collaborative access control method and fast collaborative access control system

Medium access control (MAC) method and device of multirate cooperation

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Multi-rate adaptive cooperative access method and system

Medium access control (MAC) method and device of multirate cooperation