Hirofumi TSUDA


Randomization Approaches for Reducing PAPR with Partial Transmit Sequence and Semidefinite Relaxation
Hirofumi TSUDA Ken UMENO 
Publication:   
Publication Date: 2021/03/01
Vol. E104-B  No. 3  pp. 262-276
Type of Manuscript:  PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
orthogonal frequency division multiplexing (OFDM)peak-to-average power ratio (PAPR)partial transmit sequencesemidefinite relaxationrandomization algorithm
 Summary | Full Text:PDF(1.3MB)

Weyl Spreading Sequence Optimizing CDMA
Hirofumi TSUDA Ken UMENO 
Publication:   
Publication Date: 2018/03/01
Vol. E101-B  No. 3  pp. 897-908
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
asynchronous CDMAnonlinear programmingspreading sequencesignal to interference plus noise ratiobit error rate
 Summary | Full Text:PDF(1MB)