Table 2.

LTE-D2D CQI Matrix.

	Device 1	Device 2	Device 3	...	Device j
device 1	0	$c_{1,2}$	$c_{1,3}$	...	$c_{1,j}$
device 2	$c_{2,1}$	0	$c_{2,3}$	...	$c_{2,j}$
...	...	...	...	...	...
device k	$c_{k,1}$	$c_{k,2}$	$c_{k,3}$	...	$c_{k,j}$