Performance Evaluation for a Direct-Sequence Spread-Spectrum Multiple-Access Communication System Interfered by Other CDMA/DSSS Systems

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概要

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• This paper conducts performance evaluation for a code division multiple access (CDMA) system when channel bands of multiple neighboring CDMA/DSSS are overlapped in frequency domain. It is assumed that all systems adopt direct-sequence spread-spectrum (DSSS) technique and are BPSK modulated by the different carrier frequencies. Automatic power control (APC) is also applied in the interfered system such that the receiver gets the same power from all users. Without loss generality, an additive white Gaussian noise (AWGN) channel is also assumed during analysis. In this paper, the analytic solution of the signal to noise ratio (SNR) is first derived in which both CDMA systems are modulated by different carrier frequencies. This analysis is good for general cases;and the result shows an excellent computational performance. In particular, the result is very close to Pursly's result [3], when the systems have the same code length with no carrier difference.

• 社団法人電子情報通信学会の論文
• 2000-06-25

著者

• Wu C‐c

  Nat'l Taiwan Univ. Sci. And Technol. Taipei Twn

• Lee B‐h

  National Taiwan Univ. Sci. And Technol. (ntust) Twn

• Lee Bih-hwang

  The Authors Are With The Faculty Of Dept. Of Electrical Engineering National Taiwan University Of Sc

• Chen M‐h

  Nat'l Taiwan Univ. Sci. And Technol. Taipei Twn

• Wu Chwan-chia

  The Authors Are With The Faculty Of Dept. Of Electrical Engineering National Taiwan University Of Sc

• CHEN Ming-Heui

  The authors are with the Department of Electrical Engineering, Nat'l Taiwan University of Science an

• LEE Bih-Hwang

  The authors are with the Department of Electrical Engineering, Nat'l Taiwan University of Science and Technology

• WU Chwan-Chia

  The authors are with the Department of Electrical Engineering, Nat'l Taiwan University of Science and Technology

• CHEN Ming-Heui

  The authors are with the Department of Electrical Engineering, Nat'l Taiwan University of Science and Technology

関連論文

• Synchronization Model and Resource Scheduling for Distributed Multimedia Presentation Systems
• Performance Evaluation for Multiple DSSS Systems with Channel Bands Overlapped
• Performance Evaluation for a Direct-Sequence Spread-Spectrum Multiple-Access Communication System Interfered by Other CDMA/DSSS Systems

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