Aspects of a method and system for physical layer aggregation are provided. An example method includes receiving, form a medium access control (MAC) layer protocol entity, data encapsulated into a packet comprising a preamble, fragmenting said packet into a plurality of fragment payloads, and conveying each of said fragment payloads to said third portion of said one or more circuits, wherein at least one of said plurality of fragment payloads comprises one or more octets copied from said preamble.