链路自适应技术是下一代网络的核心技术之一。
Link Adaptive is one of the most important technologies in the next generation network.
本文建立在本实验室B3G - TDD系统研究的基础上，主要研究多用户OFDM系统中的链路自适应技术。
Based on the key technology research in B3G-TDD systems, Link Adaptation in multi-user OFDM systems are researched in this dissertation.
链路自适应传输是正交频分多址系统关键技术，对提升系统性能起到关键作用。
Link adaptation transmission is a vital technology for OFDMA system, and it has great effect on the performance.
对自适应多速率编码（AMR）技术的链路适配方案进行了研究。
This paper studied the link adaptation solution of adaptive multi-rate (AMR) speed coding technology.
在此基础上，本文重点研究了LTE中的链路自适应方案，对自适应调制编码（AMC）技术以及混合ARQ算法进行了系统仿真。
This article mainly investigated the link adaptation schemes of LTE system based on this simulation platform, and simulated adaptive modulation and coding (AMC) and Hybrid ARQ schemes in the platform.
针对这一问题，在单向链路卫星组播结构基础上，融合分组级FEC和自适应速率技术，提出了一种新的可靠组播协议，经过理论分析可知，新的协议具有较好的差错控制和拥塞控制能力。
According to this problem, in this paper, a new reliable multicast protocol is proposed which integrates packet-level FEC and rate-adaptive technology on the basis of unidirectional satellite link.
针对这一问题，在单向链路卫星组播结构基础上，融合分组级FEC和自适应速率技术，提出了一种新的可靠组播协议，经过理论分析可知，新的协议具有较好的差错控制和拥塞控制能力。
According to this problem, in this paper, a new reliable multicast protocol is proposed which integrates packet-level FEC and rate-adaptive technology on the basis of unidirectional satellite link.
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