1) Space-time coding
时空编码
2) space-time coding
空时编码
1.
Joint group space-time coding and power control for multiuser CDMA systems;
多用户CDMA系统中的联合分组空时编码与功率控制
2.
Cramer-Rao bound for channel estimation errors in space-time coding and modulation;
空时编码调制中信道估计误差的Cramer-Rao界
3.
Joint eigenbeam and space-time coding over the frequency-selective fading channel for diversity;
频率选择性信道下特征波束和空时编码联合分集
3) space-time code
空时编码
1.
Downlink frequency-selective fading channel blind estimation for space-time coded MC-CDMA MIMO systems;
空时编码多载波码分多址MIMO系统下行频率选择性信道盲估计
2.
In order to study the effect of spatial correlation on the performance of space-time codes,an angular spread of multipath signals received in Rayleigh fading channels is presented with the assumption that the power distribution versus the angle of arrival(AOA) of scatter components follows the von Mises distribution.
为了研究空间相关对空时编码性能的影响,假设散射量沿波达角的功率分布服从von Mises分布,推导出了Rayleigh衰落信道多径接收信号的角度扩展。
3.
This paper describes the principles of three kinds of common space-time coding techniques,focusing on the layered space-time codes,the space time trellis code and space-time block codes,which are common in space-time coding schemes,at last,makes a comparison of the three coding schemes.
多输入多输出技术的发展促进了对空时编码技术的研究。
4) space time coding
空时编码
1.
Research on MIMO system and the application of space time coding technology in power line communication;
MIMO技术研究及空时编码在电力线通信中的应用
2.
To overcome the disadvantage of joint space time coding (STC) and beamforming (BF) schemes based on eigen-value decomposing (EVD) in multi-users interference system, this paper proposes a convolutional composite weighting (CCW) structure, which makes equivalent of transmi-ting beam into multiplication of two sub-beams with different functions.
为克服基于特征值分解(EVD)的空时编码(STC)联合波束形成技术在多用户干扰系统中性能的恶化,该文提出了1种卷积复合权结构,将发射波束等效为2个分别具有不同功能的子波束的相乘叠加,实现空时编码在空间分集上的技术优势与波束形成在加强期望信号和干扰抑制特性的最优组合,在获得空时编码空间分集增益与波束形成的阵列增益同时。
3.
A subspace-based blind channel estimator has been developed for space time coding orthogonal frequency division multiplexing(STC-OFDM) system with two transmit antennas and two receive antennas.
针对使用2个发射天线和2个接收天线并且采用循环前缀的空时编码正交频分复用系统(STC-OFDM),提出了一种信道盲估计算法,并给出信道可被辨识的条件。
5) Space-Time Codes
空时编码
1.
The key problem of MIMO is Space-Time Codes.
概述了多输入多输出(MIMO)天线技术的工作原理,指出MIMO的核心问题是空时编码,分析了其关键技术中的BLAST技术、空时格形码(STTC)、空时分组码(STBC)的特点,最后阐述了MI-MO天线技术的应用及未来发展方向。
2.
Focusing on the problem that existing linear dispersion (LD) space-time codes have a high encoding and decoding complexity, a type of orthogonal linear dispersion (OLD) space-time codes is proposed.
针对多输入多输出系统中现有的线性分散(LD)空时码编、解码复杂度高的问题,提出了一类正交线性分散(OLD)空时编码。
6) STC
空时编码
1.
Based on the brief review on technical characteristics of MIMO-STC, Turbo code and OFDM, this paper mainly deals with the outstanding advantages and strategy importance of the concatenated transmission of MIMO-STC with Turbo code and OFDM for the development of the NGBW.
本文在简要回顾MIMO-STC(多输入、多输出—空时编码)、Turbo码及OFDM(正交频分多路复用)技术特征基础上,重点论述了MIMO-STC、Turbo码及OFDM级联传输技术和其对下一代宽带无线(NGBW)演进发展的战略重要性。
2.
Space-Time coding (STC) technology is a new coding technique which can combat with channel attenuation, obtain diversity gain against fading and enhance the capacity.
空时编码(STC)是一种抗信道衰落和提高系统容量的用于多发射天线的编码技术。
3.
Space-time code ( STC ) ,which based on multi-antenna at the transmitter and receiver, is the combination of channel coding and antenna diversity techniques.
基于多输入多输出(MIMO)技术的空时编码技术将信道编码和天线分集技术相结合，能在不增大发射功率和不扩展频带的前提下提高无线衰落信道的通信系统容量和通信质量，满足未来无线移动通信对高速数据传输的要求。
补充资料：地理时空耦合
一切地理事实、地理现象、地理过程、地理表现，既包括了在空间上的性质，又包括着时间上的性质。只有同时把时间及空间这两大范畴纳入某种统一的基础之中，才能真正认识地理学的基础规律。在考虑空间关系时，不要忽略时间因素对它的作用，把地理空间格局看作是某种“瞬间的断片”，不同时段的瞬间断片的联结，才能构成对地理学的动态认识。与此相应，在研究地理过程时，应把这类过程置布于不同地理空间中去考察，以构成某种“空间的变换”，它们可完整地体现地理学的“复杂性”。地理时空耦合是四维向量的充分表达，除了高度、经度、纬度（垂直方向和水平方向）外，还有时间维的同时考虑。
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