公开(公告)号：EP2314035B1

公开(公告)日：2012-10-10

申请号：EP09790137.5

申请日：2009-07-08

申请人： QUALCOMM Incorporated

发明人： KIM, Je, Woo ,  NAGUIB, Ayman, Fawzy ,  PARK, Jong, Hyeon ,  CHANG, Tae, Ryun

IPC分类号： H04L27/26

CPC分类号： H04L5/0007 ,  H04L27/2602 ,  H04L27/2614

公开(公告)号：EP2314035A1

公开(公告)日：2011-04-27

申请号：EP09790137.5

申请日：2009-07-08

申请人： QUALCOMM Incorporated

发明人： KIM, Je, Woo ,  NAGUIB, Ayman, Fawzy ,  PARK, Jong, Hyeon ,  CHANG, Tae, Ryun

IPC分类号： H04L27/26

CPC分类号： H04L5/0007 ,  H04L27/2602 ,  H04L27/2614

摘要： Certain embodiments of the present disclosure provide a method and an apparatus for peak-to-average power ratio (PAPR) reduction of a transmission signal in a single carrier frequency division multiple access (SC-FDMA) system. The method may utilize a permutation of a time domain signal, and/or a permutation of a frequency domain signal or a permutation of a signal transformed by a unitary matrix. The apparatus may include an M-point DFT or some other
MxM unitary matrix, N-point IDFT, interpolation and frequency conversion units, and a pair of possibly different permutation matrices of size
MxM , where
M can be less or equal than N.

公开(公告)号：EP2283587A1

公开(公告)日：2011-02-16

申请号：EP09751193.5

申请日：2009-05-12

申请人： QUALCOMM Incorporated

发明人： KIM, Je, Woo ,  PARK, Jong, Hyeon ,  CHANG, Tae, Ryun ,  PARK, Ju, Won

IPC分类号： H04B7/08 ,  H04B7/06

CPC分类号： H04B7/0871 ,  H04B7/0617 ,  H04B7/0619 ,  H04B7/0669 ,  H04B7/0689 ,  H04B7/0857

摘要： Certain embodiments of the present disclosure provide a hybrid receiver diversity scheme that involves combining received signals in accordance with a combination of multiple receive diversity schemes. Certain embodiments of the present disclosure provide a hybrid transmit diversity scheme that involves transmitting diversity signals to a receiver according to a transmit diversity scheme selected based on signal quality measurements received from the receiver.