| 摘要 |
SP recovery between communications of a source and destination apart from the PCP can occur by performing, prior to the initial frame response between a source and a destination, a back-off procedure using back-off parameters for SP recovery when the initiator of a SP cannot receive a responding frame from the destination and detects the communication medium being idle. In alternative embodiments the source and/or destination can send a notification frame to the PCP informing the PCP of transmission failure. When the PCP determines the communication medium to be idle, the PCP truncates and reallocates the remaining portion of the SP.
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