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使用载波聚合(CA-Carrier aggregation)技术是LTE-A系统的一个重要特点,是提高LTE-A系统峰值速率和峰值频谱效率的关键技术。介绍了CA技术的标准进展,重点分析了CA设计的关键和目前的研究现状,并展望了CA技术进一步发展的方向。
The use of carrier aggregation (CA-Carrier aggregation) technology is an important feature of LTE-A system and is a key technology to improve the peak rate and peak spectrum efficiency of LTE-A system. The standard progress of CA technology is introduced. The key and present research status of CA design is analyzed emphatically. The direction of further development of CA technology is also forecasted.