吉林大学学报(工学版) ›› 2004, Vol. ›› Issue (4): 627-632.

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Joint group space-time coding and power control for multiuser CDMA systems

TANG Lan, WANG Shuxun, SUN Xiaoying   

  1. College of Communication Engineering, Jilin University, Changchun 130022, China
  • Received:2004-03-18 Online:2004-10-01

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Abstract: After studying group space-time coding in mutipath and multiuser CDMA systems, a new joint group space-time coding and power control method was proposed. By partitioning antennas into small groups as the transmitter, using individual space-time codes to transmit information from each antenna group, optimizing transmit power, and decoding an individual space-time code with group interference suppression method and ML detecting at the receiver, this method can improve the diversity gain and error performance without increasing receiver complexity.

Key words: communication technology, space-time coding, CDMA, diversity gain, power allocation

CLC Number: 

  • TN929.533
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