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Capacity in bits/sec/Hz

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TCI

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Average Transmit SNR in dB

Capacity in bits/sec/Hz

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5

10

15

20

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

Capacity in bits/sec/Hz

Prob(Capacity >= abscissa) = 1 − q

Optimal Adaptation

TCI

CI−optimal SNR

Nonadaptive

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