Performance Evaluation of a Novel CDMA Detection Technique: The Two-State Approach | Zendy

E. Del Re | Zendy; Lorenzo Mucchi | Zendy; Luca Simone Ronga | Zendy

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Performance Evaluation of a Novel CDMA Detection Technique: The Two-State Approach

Author(s) -

E. Del Re,

Lorenzo Mucchi,

Luca Simone Ronga

Publication year - 2005

Publication title -

eurasip journal on advances in signal processing

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.317

H-Index - 88

eISSN - 1687-6180

pISSN - 1687-6172

DOI - 10.1155/asp.2005.658

Subject(s) - code division multiple access , computer science , multipath propagation , fading , multiuser detection , interference (communication) , single antenna interference cancellation , energy (signal processing) , algorithm , channel state information , electronic engineering , code (set theory) , channel (broadcasting) , detector , wireless , telecommunications , mathematics , statistics , engineering , set (abstract data type) , programming language

The use of code division multiple access (CDMA) makes third-generation wireless systems interference limited rather than noise limited. The research for new methods to reduce interference and increase efficiency lead us to formulate a signaling method where fast impulsive silence states are mapped on zero-energy symbols. The theoretical formulation of the optimum receiver is reported and the asymptotic multiuser efficiency (AME) as well as an upper bound of the probability of error have been derived and applied to the conventional receiver and the decorrelating detector. Moreover, computer simulations have been performed to show the advantages of the proposed two-state scheme over the traditional single-state receiver in a multiuser CDMA system operating in a multipath fading channel.

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