Method for transmitting pilot for multiple carrier system

Details Method for transmitting pilot for multiple carrier system Method for transmitting pilot for multiple carrier system

2009-07-24

2010-12-21

Ly, Anh-Vu (Department: 2472)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Quadrature carriers

Reexamination Certificate

active

07855947

ABSTRACT:
A method of transmitting pilot signals in a system which performs communication using two or more earners comprises transmitting first pilots and second pilots from at least one user equipment to a base station, the first and second pilots, which are transmitted from the at least one user equipment, being multiplexed by code division multiplexing, and the first and second pilots, which are transmitted from a specific user equipment, having different transmission powers, and transmitting data from the at least one user equipment to the base station depending on the first pilots and the second pilots. Since many UEs can transmit CQ pilots, exact channel estimation can be performed and thus communication efficiency can be improved.

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