Interference Cancellation in CDMA Systems Employing Complementary Codes Under Rician Fading Channels

被引：1
|
作者：
D. Judson
Vidhyacharan Bhaskar
机构：
[1] St. Xavier’s Catholic College of Engineering,Department of Electronics and Communication Engineering
[2] San Francisco State University,Department of Electrical and Computer Engineering
来源：
Wireless Personal Communications | 2018年 / 101卷
关键词：
Successive interference cancellation (SIC); Parallel interference cancellation (PIC); Complemetary coded code division multiple access (CC-CDMA) systems; Near–far effects; Minimum mean square error combining (MMSEC);
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The ideal correlation properties of single user code division multiple access (CDMA) systems with complementary codes (CC) are lost by multiple access interference and near–far effects in downlink frequency selective fading channels. This severity in interference has motivated to develop ways to overcome the threats with suitable suboptimal interference cancellation schemes. In this paper, we propose successive interference cancellation (SIC) for downlink CDMA systems with CC to improve the system capacity and reduce error rate under near–far situations. Theoretical study and extensive simulations were conducted to verify the effectiveness of proposed SIC under frequency selective Rician fading channels in achieving frequency diversity gain, close to theoretical lower bound in complementary coded CDMA (CC-CDMA) systems.
引用
收藏
页码：897 / 914
页数：17
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