Multi-user receiving apparatus converting SC-FDMA received...

Details Multi-user receiving apparatus converting SC-FDMA received... Multi-user receiving apparatus converting SC-FDMA received...

2006-09-22

2010-02-23

Pham, Chi H (Department: 2471)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Particular set of orthogonal functions

C370S204000, C375S260000

Reexamination Certificate

active

07668076

ABSTRACT:
A multi-user receiving apparatus is provided for achieving a reduction in the amount of processing for single-carrier FDMA signals and an improvement in reception characteristics. A DFT unit converts single-carrier FDMA received signals of all users to signals in a frequency domain commonly. A demapping unit selects part of sub-carriers for each user from sub-carriers supplied from the DFT unit. A reception filter separates a user signal and suppresses noise. A demodulator demodulates the user signal, and detects a timing thereof.

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