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HSPA+增强方案能够提供终端用户性能的改进方案,提高峰值比特率,降低移动终端功耗和延迟。给出了HSPA+和LTE之间的关系,介绍了双蜂窝HSDPA解决方案的主要思路,研究了该方案的数据速率优势,比较了双蜂窝HSDPA与MIMO解决方案的性能,并列举了双蜂窝HSDPA和HSUPA的区别。同时,描述了多载波HSDPA解决方案、多频段HSDPA解决方案和多载波与多频段HSDPA组合解决方案,并分析了这些解决方案的性能。
HSPA + enhancements provide end-user performance improvements that increase peak bit rates and reduce mobile terminal power consumption and latency. The relationship between HSPA + and LTE is presented, the main idea of dual-cell HSDPA solution is introduced, the data rate advantage of this scheme is studied, the performance of dual-cell HSDPA and MIMO solution is compared, and the dual-cell HSDPA and HSUPA difference. At the same time, it describes multi-carrier HSDPA solutions, multi-band HSDPA solutions and multi-carrier and multi-band HSDPA combined solutions and analyzes the performance of these solutions.