自适应调制与编码,Adaptive modulation and coding
1)Adaptive modulation and coding自适应调制与编码
1.The Research on Adaptive Modulation and Coding Based on Orthogonal Frequency Division Multiplexing Systems;OFDM系统中自适应调制与编码技术研究
英文短句/例句
1.The Research on Adaptive Modulation and Coding Based on Orthogonal Frequency Division Multiplexing Systems;OFDM系统中自适应调制与编码技术研究
2.Research on Adaptive Modulation and Coding in V-BLAST;V-BLAST系统的自适应调制与编码
3.Cross-layer Analysis and Modeling for Multihop CDMA Ad hoc Networks with Adaptive Modulation and Coding基于自适应调制与编码的多跳CDMA Ad hoc网络跨层性能分析与建模
4.Adaptive Coded Modulation Systems Based on Turbo Codes;基于Turbo码的自适应编码调制系统
5.Investigation on ARQ and Adaptive Modulation & Coding for Wireless Communications;无线通信中的ARQ与自适应调制编码技术研究
6.Adaptive Differential Pulse Code Modulation自适应差分脉冲编码调制
7.The technology of Adaptive Modulation and Coding By the WCDMA-HSDPA基于WCDMA-HSDPA中的自适应调制编码技术
8.Performance Analysis of AMC-Based Preceded SM-MIMO System自适应调制的预编码SM-MIMO性能分析
9.Research on Adaptive Coded Modulation Based on CT-TCM;基于CT-TCM码的自适应编码调制技术研究
10.Research on Adaptive Coded Modulation Technology Based on Rate Compatible LDPC Codes基于速率兼容LDPC码的自适应编码调制技术研究
11.Research on Adaptive Coded Modulation Technology and Its Appliaction in HSDPA;自适应编码调制技术及其在HSDPA中的应用研究
12.Application of Adaptive Modulation and Coding in IEEE802.16d SystemIEEE802.16d系统中自适应调制编码技术的应用研究
13.Optimal Design of ACM Based on Average Spectral Efficiency基于平均频谱效率的自适应编码调制优化设计
14.Research on the Adaptive Coded Modulation Based on HARQ and CT-TCM;基于HARQ和CT-TCM的自适应编码调制技术的研究
15.A New Switching Algorithm for OFDM Subband Adaptive Turbo-coding Modulation一种新的OFDM子带自适应Turbo编码调制切换算法
16.An Adaptive Modulation and Coding Algorithm for WiMAX System一种WiMAX系统自适应调制编码的优化算法
17.Scheme Design and Synthetic Performance Analysis of Adaptive Turbo Coded Modulation自适应Turbo编码调制方案设计及综合性能分析
18.Code Scheme Suitable for Continuous Phase Modulation一种与连续相位调制相适应的信道编码技术
相关短句/例句
adaptive modulation and coding(AMC)自适应调制编码
1.16e systems,a cross-layer optimization method was proposed,which efficiently combined the sub-packet transmission scheme at data link layer and the adaptive modulation and coding(AMC) at physical layer.16e系统中的混合自动重传请求(HARQ)协议,将数据链路层的子包传输机制与物理层的自适应调制编码技术(AMC)有效地结合,提出一种基于跨层设计的自适应参数优化选择方法,该方法以最大化系统吞吐量为目的,研究了HARQ子包数目和调制编码方式的联合最优解。
2.An scheme of Adaptive Modulation and Coding(AMC) based on Filtered Multi-tone(FMT),is proposed in this paper.文章提出了一种基于滤波多音调制(FMT)的自适应调制编码(AMC)方案,将AMC与FMT相结合,研究它在WiMAX物理层中的性能,具体研究了基于FMT的正交QAM(OQAM)调制系统,并将它与基于OFDM的AMC进行对比。
3)adaptive modulation and coding自适应调制编码
bined with theadaptive modulation and coding technology,this algorithm reallocates the residual power by effectively utilizing the discrete modulation orders according to the different priorities of sub-channels under the limitation of quality of service over the block fading channel.在满足服务质量要求的前提下充分利用星座图尺寸的离散性,将残余功率按照各子信道的不同优先级进行二次分配,并结合自适应调制编码技术改善低信噪比时的系统吞吐量。
2.Adaptive Modulation and Coding (AMC) is one of the key technologies for High Speed Downlink Packet Access (HSDPA),and it can change the style of modulation and coding according to channel quality, thus reasonably using and allocating system resources.自适应调制编码(AMC)是高速下行分组接入(HSDPA)的关键技术之一,它可以根据信道质量情况的改变调整调制与编码方式,从而合理地利用和分配系统资源。
3.Adaptive modulation and coding is a key link adap ta tion technology to overcome the time variable in wireless channel The l ink adaptation technology includes adaptive transmit power control, adaptive mod ulation and coding, adaptive frame length control etc This paper introduces twoadaptive modulation and coding and analysis their merits and disadvantage自适应调制编码技术是克服无线信道的时变性的一种重要链路适应技术。
4)adaptive modulation coding自适应编码调制
1.In order to design a wireless link adaptation technology with strong channel-error correction capability and high spectral efficiency,A LDPC-basedadaptive modulation coding system model and related communication scheme are studied.为了设计信道纠错能力强、系统频带利用率高的无线链路自适应传输技术,文中研究了基于LDPC信道纠错码的自适应编码调制OFDM系统模型以及相应的传输方案,并设计了四区间自适应OFDM通信机制;提出了利用代价函数计算传输模式切换阈值的方法。
5)AMC自适应调制编码
1.In WiMAX system,AMC is one of the key technologies to get good performance.在WiMAX系统中,自适应调制编码(AMC)是取得高性能的关键技术之一,而信道估计误差是影响AMC的重要因素。
2.The High Speed Uplink Packet Access (HSUPA) technology includes Adaptive Modulation and Coding (AMC), Hybrid Automatic Repeat Request (HARQ), and Node B fast scheduling.为了改善上行性能,高速上行分组接入(HSUPA)主要考虑的技术包括自适应调制编码(AMC)、混合自动重传(HARQ)、节点B(NodeB)快速调度,以及用户终端(UE)如何共享上行信道资源,同时包括增加增强的媒体访问控制(MAC-e/es)实体,对协议进行增强和优化。
3.The characteristics, categories and performance of the technologies of adaptive modulation and coding (AMC), physical layer hybrid automatic repeat request (HARQ) and multiple input multiple output (MIMO) are detailed.文章描述了高速下行分组接入(HSDPA)技术的标准化进程,讨论了自适应调制编码(AMC)、物理层混合自动重传(HARQ)和多输入多输出天线(MI鄄MO)技术的特点、分类和性能,指出了在实现这些关键技术时面临的问题并给出了相应解决办法。
6)AMC自适应编码调制
1.The paper firstly discusses the modifications on protocols, then describes in detail the key technology applied in HSUPA, such as Node B controlled scheduling,AMC, HARQ.讨论了基于TD-SCDMA的HSUPA技术的优势及特点,以及在协议和信道结构上的改动,并详细阐述了HSUPA的各项关键技术,包括基于Node B的快速分组调度、自适应编码调制、混合自动重传请求等。
2.This paper proposes the stable threshold basedAMC as a method for the dual - orthogonal sequences set bit - interleaved coded OFDM packet transmission in which parameters have the lowest SNR but higher than threshold and have the biggest throughput as sub carrier s modulation parameters, which makes up the coding diversity loss in the result of correl.该文将基于固定门限的子带自适应编码调制方法(AMC)和构造在双正交序列集上的比特交织编码调制方案结合,应用于正交频分复用(OFDM)系统中,提出一种AMC—BIC—OFDM级联系统,通过选择子带最低SNR高于门限且吞吐最大的参数作为该子带的调制参数,提高系统频谱利用率,弥补传统BICM由频率选择相关性和信道准静止性带来的编码分集损失,扩展BICM算法的应用。
3.As to the time-varying characteristics of wireless channel, HSDPA and LTE system adopt adaptive modulation and coding (AMC) and hybrid ARQ as two main link adaptive technologies.HSDPA和LTE系统针对无线信道时变特性,采用了自适应编码调制(AMC)和混合反馈重发(HARQ)技术,从而在保证QoS的前提下,最大限度的利用频谱资源,提高数据传输速率。
延伸阅读
自适应自整定调节分子式：CAS号：性质：在调节系统中，对象的动态特性往往是变化的,如果变化不大或调节的质量要求不高时，可以采用固定规律的调节器，假若变化大，质量要求又高时，需要选择可变规律调节器。调节器参数的改变是直接按照对象特性的变化进行的，叫作自适应调节。对象的识别和调节器的规律的计算都用一个计算装置进行，就叫自适应自整定调节，或简称自整定调节。
