Question: In step 4 of the CSMA/CA protocol, a station that successfully transmits a frame begins the CSMAJCA protocol for a second frame at step 2,

In step 4 of the CSMA/CA protocol, a station that successfully transmits a frame begins the CSMAJCA protocol for a second frame at step 2, rather than at step 1. What rationale might the designers of CSMA/CA have had in mind by having such a station not transmit the second frame immediately (if the channel is sensed idle)?

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