Correction to “Fulcrum: Flexible Network Coding for Heterogeneous Devices”

In the above article
[1]
, in Section II-B.1)a, titled “Outer Encoding,” the first sentence of the second paragraph should be corrected to consistently use
$\Omega _{j}$
to denote the coded packets, i.e., this sentence should state: “For systematic outer encoding, the outer encoding vectors for coded packets
$\Omega _{j},\,\,j = 1, 2, \ldots, n$
, form an identity matrix of dimension
$n \times n$
, i.e., coded packets
$\Omega _{j}, j = 1, 2, \ldots, n$
, are identical to the source packets
$P_{j}$
.”