1) Unitary space-time signals
酉空时信号
2) unitary space-time code
酉空时码
1.
This paper analyzed the impact of fading correlation on the noncoherent unitary space-time code,deduced the pair-wise error probability(PWEP) and Chernoff bound under fading correlation.
主要分析了空间衰落相关对非相干酉空时码带来的影响,推导了衰落相关条件下酉空时码的成对差错概率及其Chernoff边界。
2.
A decoding algorithm based on the tree-structured constellation design was presented in order to reduce the decoding complexity of unitary space-time codes.
针对酉空时码最大似然检测复杂度高的问题,提出了一种酉空时星座的设计及低复杂度译码方法。
3.
Based on orthogonal space-time block code,a scheme for constructing unitary space-time code is proposed.
提出了一种基于正交空时分组码构造酉空时码的方案,证明了所设计的酉空时码可以获得满分集。
3) unitary space-time codes
酉空时码
1.
Based on cyclic diagonal codes,an improved design of unitary space-time codes(USTC) at low SNR is proposed.
在低信噪比情况下,提出了一种基于循环对角码的改进的酉空时码设计。
2.
A modified decoding algorithm for unitary space-time codes is presented,in which the decoding search is based on the groups classified by the circulant correlation of the signal points in the constellation.
提出了一种改进的酉空时码检测算法,根据星座中信号间的循环相关特性将星座分组,每组中的信号均与该组的中心信号具有较强的相关性。
5) unitary signal constellation
酉信号星座
1.
To get design parameters of unitary signal constellation for differential space-time modulation,a novel algorithm using genetic search is presented, which combines diagonal parameters and rotation factors of rotated unitary signal constellation into a codeword.
为了获得差分空时调制系统中酉信号星座的设计参数,该文将旋转酉信号星座中信号矩阵的对角设计参数与旋转因子进行联合编码,提出一种基于遗传算法的设计参数联合优化算法。
6) unitary space-time modulation
酉空时调制
1.
EM-based detection scheme for differential unitary space-time modulation;
基于EM算法的差分酉空时调制检测方案(英文)
2.
Fast searching algorithm for the decoder of the unitary space-time modulation
一种酉空时调制的快速搜索译码算法
3.
In order to solve the problem, unitary space-time modulation emerged.
但是,实现这些技术都有一个假设性前提:信道变化比符号变化要慢并且接收机需要精确知道每对发射天线和接收天线之问的信道状态信息CSI,为了解决这个问题,酉空时调制应运而生。
补充资料：空时
分子式：
CAS号：
性质：又称接触时间或空(间)时(间)。指反应物单程通过催化剂床层(或反应器有效体积)所需经历的时间。它是空(间)速(度)的倒数，其表示式为：τ=V催/V，τ为停留时间，V催为催化剂填装体积，V为反应物气体体积(标准状态)流速。
CAS号：
性质：又称接触时间或空(间)时(间)。指反应物单程通过催化剂床层(或反应器有效体积)所需经历的时间。它是空(间)速(度)的倒数，其表示式为：τ=V催/V，τ为停留时间，V催为催化剂填装体积，V为反应物气体体积(标准状态)流速。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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