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多用户检测技术(MUD)作为CDMA通信系统的关键技术,充分利用了造成多址干扰的其他所有用户的信号信息对用户信号进行检测,具有优良的抗多址干扰和远近效应的能力。基于此,对多用户检测技术的应用必要性和基本思路进行深入探讨与研究,并对多用户检测技术的各种不同分类进行分析比较。
As the key technology of CDMA communication system, MUD makes full use of signal information of all other users that cause multiple access interference to detect user signals, and has excellent anti-multiple access interference and near-far effect. Based on this, the necessity of application of multi-user detection technology and basic ideas for in-depth discussion and research, and multi-user detection technology for different classification analysis and comparison.