|
What is Peak-to-Average Power Ratio in CDMA?
sagitraz 12-May-2008 10:36:15 PMComments www.acm.caltech.edu/.../TDHS03-CDMA-Signature-Asilomar.pdf Posted by crouse www.acm.caltech.edu/.../TDHS03-CDMA-Signature-Asilomar.pdf Posted by crouse It is 1... Posted by waqqas1 In CDMA data is transmitted continuously.Different users share the same frequency and time.They are distinguished by there different codes which are orthogonal. In CDMA the peak to average power ratio depends on the constellation.For QPSK which use -1-j,-1+j,+1 +j and +1-j as constellation points (Equi probable symbols)and scaled by 1/sqrt(2) th average power is (1/2+1/2)*1/4*4=1 The pak power is 1/2+1/2=1 The peak to average power ratio=1/1=1 Posted by Mannai_Murali |
Posted: 02-June-2008 06:34:12 AM By: Mannai_Murali In CDMA data is transmitted continuously.Different users share the same frequency and time.They are distinguished by there different codes which are orthogonal. In CDMA the peak to average power ratio depends on the constellation.For QPSK which use -1-j,-1+j,+1 +j and +1-j as constellation points (Equi probable symbols)and scaled by 1/sqrt(2) th average power is (1/2+1/2)*1/4*4=1 The pak power is 1/2+1/2=1 The peak to average power ratio=1/1=1 | |
Posted: 31-December-2008 12:02:05 AM By: waqqas1 It is 1... | |
Posted: 07-September-2009 02:39:29 PM By: crouse www.acm.caltech.edu/.../TDHS03-CDMA-Signature-Asilomar.pdf | |
Posted: 07-September-2009 02:42:49 PM By: crouse www.acm.caltech.edu/.../TDHS03-CDMA-Signature-Asilomar.pdf |