When the adaptive modulation is applied in the OFDM system, there are lots of problems to be solved.
本文围绕自适应调制技术在OFDM系统中的应用涉及的技术问题展开研究。
Finally, this dissertation proposes a low complexity adaptive modulation scheme for VBLAST-OFDM system.
最后，提出了一种低复杂度的VBLAST - OFDM系统自适应调制方案。
In this paper, an adaptive modulation system controlled by changing the symbol rate and modulation level is proposed.
本文研究了通过改变符号率及调制电平的方法实现的自适应调制系统。
On the other hand, adaptive modulation technique can enhance data rate, spectrum efficiency and transmission reliability in MIMO-OFDM systems.
另一方面，对于MIMO - OFDM系统来说，自适应调制技术可以提高系统的数据传输率、频谱效率以及传输的可靠性。
This paper discusses adaptive modulation techniques for TDMA high capacity wireless TDMA communications systems.
讨论宽带无线tdma系统中采用的自适应调制技术。
In this paper, a novel power allocation and adaptive modulation method is proposed on the basis of the combination of MIMO and OFDM technology.
本文在已知信道状态信息的前提下，将MIMO和OFDM技术相结合，提出了一种新的MIMO - OFDM系统的功率分配和自适应调制方法。
This paper proposed a resource allocation algorithm based on multiuser diversity based on the subcarrier allocation of adaptive modulation and coding.
针对全球微波接入互操作性系统中自适应调制编码子载波分配方式，该文提出一种基于多用户分集的资源分配算法。
This dissertation is concerned with channel estimation in both OFDM and MIMO-OFDM wireless communication systems and adaptive modulation in MIMO-OFDM systems.
本文研究了OFDM和MIMO-OFDM无线通信系统的信道估计技术以及MIMO-OFDM系统的自适应调制技术。
Optimal signal subspace is the foundation for our adaptive modulation algorithms in SC-FDE. Another new concept is introduced called sequenced optimal signal subspaces.
最优信号子空间的思想是SC - FDE中设计自适应调制算法的根本基础，在此基础上又提出了序列最优信号子空间的概念。
The key technology in it, such as interference discrimination, self-adaptive modulation strategy and channel quality estimation are discussed in this paper particularly.
对其中的关键技术：干扰辨识、自适应调制策略和信道质量估计进行了详细的讨论。
From this point, M-ary Quadrature Amplitude modulation (MQAM), MultiCarrier modulation (MCM) and adaptive modulation techniques are good candidates in next generation mobile radio system.
从这一点出发，多元正交幅度调制(MQAM)、多载波调制(MCM)及自适应调制技术成为下一代移动无线系统中最有竞争力的几种候选技术。
The knowledge of the velocity of the mobile terminals is essential in adequate handoff control, efficient dynamic channel assignment, adaptive modulation, power control, equalization, etc.
移动终端的速度对有效的切换、高效的动态信道分配、自适应调制、功率控制、均衡等无线应用都是必不可少的信息。
The model supports the multi-rate non-ideal channel using adaptive modulation and coding (AMC), which is the key feature in the wireless networks to increase the effective transmission rate.
该模型支持采用自适应调制和编码(AMC)的多速率非理想信道，而AMC在无线网络中是增加有效传输率的关键技术。
Finally, the simulation results show that the adaptive modulation system can theoretically achieve high throughput performance, and low transmission outage probability under certain conditions.
仿真结果表明，自适应调制系统可以获得较高的数据吞吐量，而其传输中断率在一定条件下可以保持较低的水平。
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.
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。
Adaptive modulation technology is one of the crucial techniques for the mobile broadband systems.
自适应调制技术是移动宽带通信系统的核心技术之一。
Adaptive modulation and coding (AMC) can effectively improve the spectral efficiency for wireless data transmissions.
自适应编码调制(amc)技术可以有效地提高无线数据传输的频谱利用率。
Adaptive modulation and coding (AMC) can effectively improve the spectral efficiency for wireless data transmissions.
自适应编码调制(amc)技术可以有效地提高无线数据传输的频谱利用率。
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