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Table 1 An example of a sparse aggregated channel matrix giving rise to an overdetermined system when PHY layer precoding is applied

From: Partial joint processing with efficient backhauling using particle swarm optimization

H ˜

BS 1

BS 2

BS 3

UT 1

h 11

h 12

0

UT 2

0

h 22

h 23

UT 3

0

0

h 33