1.2.1 Capacity of Single Antenna Channel by takingN.(0.P)independent with 卡2R≤inorder to meet k=1 the power constraint.This finally implies ” C=maxR≤ sup 2e-风】 1717 1.2.1 Capacity of Single Antenna Channel by taking independent with in order to meet the power constraint. This finally implies ~ ( , ) X N 0 P k c k 1 1 N k k P P N      2 1 2 2 1 1 1 =max sup log 1 N k k P N k k k X N C R P H N                   