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1)  adaptive coded modulation
自适应编码调制
1.
The adaptive coded modulation based on LDPC codes and its application over the flat fading wireness channel in image communication is proposed.
研究了基于LDPC码的自适应编码调制技术及其在慢衰落无线信道图像传输中的应用,分析了确定最优信噪比转换门限集合的最小均方误差非线性曲线拟合法,进而得到基于LDPC码的自适应编码调制系统的最大平均吞吐量性能。
2.
Adaptive coded modulation has become one of the key techniques in high speed wireless data communications.
自适应编码调制技术已成为高速无线数据通信的一项关键技术。
3.
This paper, therefore, combines the recently proposed technique of CT-TCM with RCPT and ARQ, on the basis of which, it discusses a new schedule of adaptive coded modulation with some details in realizing this schedule covered.
由于自适应编码调制技术在宽带无线网络中对于改善频谱利用率和增加数据速率来说是一项能力很强的技术,因此本文针对刚提出的CT-TCM技术,将其与RCPT和ARQ技术结合起来,讨论了一种新的自适应编码调制方案。
2)  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 based AMC 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。
3)  ACM
自适应编码调制
1.
Adaptive Coding and Modulation(ACM),Input Adaptation and a new method of Forward Error Correction.
本文重点介绍了DVB-S2系统中的三项核心技术:自适应编码调制(ACM)、输入适配与新的前向纠错编码技术。
2.
In order to satisfy the need for high speed multimedia traffic, link adaptation technique namely Adaptive Coding and Modulation (ACM) in media access layer and link retransmission technique namely Hybrid Automatic Repeat Request(HARQ) have been adopted by the third generation(3G) mobile communication system.
为了适应高速多媒体业务的需求,在媒体接人层的链路适配技术即自适应编码调制技术和链路重传技术即混合自动重复请求已被应用于第三代移动通信系统。
4)  adaptive modulation and coding
自适应编码调制
1.
The scheme is scheduled through combining multi-level adaptive modulation and coding with hybrid automatic repeat request protocol.
该方案利用自适应编码调制技术与混合自动重传技术交互协作,使发射端可以根据反馈延时信息自适应调节调制模式,选择发射权以及自动重传数据。
2.
This paper firstly proposes a point-to-point cross layer design based on adaptive modulation and coding(AMC)at physical layer and hybrid automatic repeat request(HARQ)at data link layer,and then provides an end-to-end cross layer design scenario by jointly considering transmission control protocol(TCP) at transport layer.
提出了一种基于物理层的自适应编码调制(AMC)技术和数据链路层的混合自动请求重传(HARQ)技术的点到点跨层设计。
5)  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-based adaptive 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。
6)  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。
补充资料:自适应自整定调节
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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。 

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