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a MAC-based network coding scheme may combine packets in the MAC layer, and may encode the combined packet in the PHY layer for both channels. Because the lower capacity channel influences such combined encoding, a MAC-based scheme may only achieve the lower of the two channel capacities, in this case C R1, for both channels R 1 and R 2. This area of lower MAC-based performance is shown as square area 510 in FIG. 5 that is C R1 on a side.

packets of data have been referred to, the scheme herein is applicable to chunks of data that are not necessarily packet-based. Also, the scheme herein is also applicable to networks with one or more PHY layers that are not wireless. Other reasonable variations are both possible and contemplated.

Abstract

A method of transmitting two packets to two different nodes may include encoding a first packet according to a first channel to obtain an encoded first …