吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (01): 223-228.

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Multiple access capability for spread coding based transform domain communication system

SUN Hai-xin1,2, SHI Yao-wu2, YU Xiao-hui2   

  1. 1. School of Electronic and Information Engineering, Changchun University, Changchun 130022, China;
    2. College of Communication Engineering, Jilin University, Changchun 130022, China
  • Received:2012-03-02 Online:2013-01-01 Published:2013-01-01

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Abstract: The random phase coding method of Transform Domain Communication System (TDCS) is studied. To improve the multiple access capability, a new Spread Phase Coding TDCS (SPC-TDCS) scheme is proposed. The framework of the SPC-TDCS is given. The selection of the spread sequence and the cross correlation of the spread basic function are studied, the system performances of the proposed SPC-TDCS are analyzed. Simulation results demonstrate that the proposed scheme has good system performance in a multiple access environment and guarantees the minimum interference among different users at the same time.

Key words: communication, transform domain communication system, random phase mapping, spread coding, multiple access

CLC Number: 

  • TN914.3
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