  Quantum teleportation provides a way to transfer unknown quantum states from
one system to another via an entangled state as a quantum channel without
physical transmission of the object itself. The entangled channel, measurement
performed by the sender (Alice), and classical information sent to the receiver
(Bob) are three key ingredients in the procedure, which need to cooperate with
each other. To study the relationship among the three parts, we propose a
scheme for perfect teleportation of a qubit through a high-dimensional quantum
channel in a pure state with two equal largest Schmidt coefficients. The scheme
requires less entanglement of
  Alice's measurement but more classical bits than the original scheme via a
Bell state. The two quantities increase with the entanglement of the quantum
channel when its dimension is fixed and thereby can be regard as Alice's
necessary capabilities to use the quantum channel. And the two capabilities
appear complementary to each other.
