1) adaptive modulation
自适应调制
1.
An adaptive modulation scheme for multiuser MIMO system guaranteeing QoS by using channel error model;
基于MIMO信道误差模型的保障QoS的自适应调制
2.
The design and implementation of frame format of adaptive modulation;
自适应调制帧格式的设计与实现
3.
Research on Adaptive Modulation of MIMO-MPSK;
MIMO-MPSK自适应调制算法研究
2) adaptive modulation(AM)
自适应调制
1.
Based on the transmission power minimization algorithm of multi-input and multi-output(MIMO) system,a space-frequency adaptive modulation(AM) algorithm was proposed for MIMO orthogonal frequency division multiplexing(OFDM) system.
在多输入多输出(MIMO)系统最小化发射功率自适应调制算法的基础上,针对实际的无线宽带信道,提出了适用于MIMO-OFDM空频二维最小化发射功率的自适应调制算法,并将其与均匀分配比特、功率的方案和空间最小化发射功率自适应调制方案进行比较。
2.
With combining adaptive modulation(AM) and truncated automatic repeat request(ARQ),this algorithm is able to optimize performance jointly between physical layer and data link layer according to different channel statement,and guarantee less packet loss rate on condition of constant throughput.
此算法结合自适应调制(AM)和有限自动重传请求(ARQ)技术,能够根据不同的信道状态在物理层和数据链路层联合进行性能优化,可以在保证上层吞吐量一定的条件下提供更小的丢包率。
3) link adaptation/adaptive modulation
链路自适应(自适应调制)
4) 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。
5) adaptive correspond control
自适应协调控制
1.
The system can accomplish tasks such as regular timing control,real-time adaptive correspond control,green wave control,flashlight control,single point control,multi-phase control,coordinate control.
系统能实现固定配时控制、实时自适应协调控制、绿波控制、闪光控制、单点控制、多相位控制、协调控制。
6) adaptive modulation and coding
自适应调制编码
1.
Combined with the adaptive 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 two adaptive 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。
补充资料: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。
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。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条