Optimization of spreading-sequences for DS-CDMA systems and frequency-selective fading channels

1988 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications - Proceedings. Spread Technology to Africa (Cat. No.98TH8333) Pub Date : 1998-09-02 DOI:10.1109/ISSSTA.1998.726190
H. Schotten, H. Elders-Boll, A. Busboom
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引用次数: 8

Abstract

The performance of direct-sequence code-division multiple-access (DS-CDMA) systems crucially depends on the correlation properties of the spreading-sequences assigned to the users. Widely accepted performance measures for the correlation properties are the aperiodic mean-square correlation parameters. We investigate the aperiodic mean-square correlation parameters of various sequence families and discuss their technical meaning.
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DS-CDMA系统扩频序列优化与频率选择衰落信道
直接序列码分多址(DS-CDMA)系统的性能在很大程度上取决于分配给用户的扩展序列的相关特性。广泛接受的相关性能度量是非周期均方相关参数。研究了各种序列族的非周期均方相关参数，并讨论了它们的技术意义。
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1988 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications - Proceedings. Spread Technology to Africa (Cat. No.98TH8333)
1988 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications - Proceedings. Spread Technology to Africa (Cat. No.98TH8333)
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A combined coherent carrier recovery and decision-directed delay-lock-loop scheme for DS/SSMA communication systems employing complex spreading sequences A turbo coded DS/CDMA system with embedded Walsh-Hadamard codewords: coder design and performance evaluation On DS-SS code acquisition time probability distribution-Serial search by multiple-dwell detector in fading channel Capacity of CDMA with random spreading and multiuser detection Coherent DS-SS receiver using exponentially weighted despreading function with imperfect power control in multipath Rayleigh fading environment
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