载波聚合

LTE-Advanced系统中载波聚合技术的性能研究

Research on the Performance of Carrier Aggregation Technology in LTE-Advance System

为了达到LTE-A系统需求，3GPP提出了中继传输、载波聚合和多点协作等关键技术。

With the purpose of meeting the LTE-A system requirement , 3GPP proposed several key techniques including relaying communication , carrier aggregation , and coordinated multi-point .

LTE-A载波聚合下的载波切换分析

Handoff Procedure Analysis of LTE-A System with Multi-carriers Aggregation

LTE-Advanced系统中的多载波聚合技术

Multi-carriers Aggregation in LTE-Advance System

在科研项目支撑下，本文紧跟LTE-Advanced的RAN1和RAN4标准化工作，分别对增强MIMO和载波聚合技术进行了如下研究与仿真评估：1.增强MIMO技术研究。

With the support of research project , this thesis has performed the research and simulation of enhanced MIMO and CA following LTE-Advanced standardization . Achievements are stated as follows : 1 . Research on enhanced MIMO .

另一方面，一些LTE-A的主要过程，如切换，在加入了载波聚合，协作多点传输以及中继技术后是非常复杂的，大量的参数的手动调节将会是网络优化的一个巨大的负担。

On the other hand , some LTE-A major process , such as switching , becomes very complex after the inclusion of carrier Aggregation , CoMP and relay technology . The manual adjustment of such a lot of parameters will be a heavy burden .

所做工作为载波聚合技术提供了底层仿真基础，为其实用化提出了合理性的建议。

These provide low-level simulation foundation for the application of carrier aggregation .

研究了载波聚合技术下的子载波调度方案。

The scheduling strategy in LTE-A system with carrier aggregation ( CA ) technology is analyzed .

考虑到多载波聚合的灵活性和更好的后向兼容性，建议应该保留多载波聚合，在实用中混合使用两种聚合方式。

Due to the better flexibility and backward compatibility , multi-carrier aggregation is supposed to be retained .

本文提出一种基于载波聚合和跳频技术的通信策略。

In this paper , we propose a strategy based on carrier aggregation and frequency hopping communications .

比方说，为了提高数据速度，运营商们正在使用一种名为“载波聚合”的技术，将多个频带合并成一个数据链来提高频段效率。

For instance , to increase data speed , operators are working to improve spectrum efficiency by using a technology dubbed carrier aggregation , which combines multiple bandwidths into one data link .

该策略通过频谱资源调度分配，选用载波聚合技术进行通信，而且通信中载波频率进行跳频改变。

The strategy approval frequency chart resource adjusts one degree allocation and chooses a carrier polymerization technique to carry on correspondence , and the carrier frequency progress in the correspondence jumps repeatedly .

结果表明，采用载波聚合技术的通信机制的反侦察性能和抗跟踪干扰性能要远高于单载波的通信策略。

As a result express that the anti that adopts the carrier polymerization technical correspondence machining probes performance and anti-follow the jam performance will be farer high than unipole the correspondence strategy of the carrier .

本文详细介绍了平台的仿真流程和主要功能模块的实现过程，并且分别在不同场景下研究了载波聚合技术对系统性能的提升，并给出了相应的仿真结果和分析。

The simulation process and implement of function modules are detailed described in the thesis . The simulation in different scenarios mainly focuses on the performance enhancement of carrier aggregation and finally presents simulation results .