基于广义重叠变换(GLT)的CDMA系统在多径衰落信道中的性能

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.1998.726234

A. Nallanathan, S. Chan, T. Ng

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引用次数: 0

摘要

研究了直接序列扩频(DSSS/CDMA)系统中一类新的扩频码的性能。扩频码和扩频码由输出为连续值的双正交滤波器组产生。在瑞利衰落多径信道中，将所提码与Gold码的性能进行了比较。仿真结果表明，当用户数量较大时，所提码的误码率低于Gold码。

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Performance of generalized lapped transform (GLT) based CDMA system in a multipath fading channel

We investigate the performance of a new class of spreading codes in a direct sequence spread spectrum (DSSS/CDMA) system. The spreading and despreading codes are generated from a biorthogonal filter bank whose outputs are of continuous values. The performance of the proposed codes is compared with the Gold codes in a Rayleigh fading multipath channel. Simulation results show that the proposed codes yield lower BER performance than the Gold codes when the number of users is reasonably large.

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1988 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications - Proceedings. Spread Technology to Africa (Cat. No.98TH8333)

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