It needs channel state information, which is obtained through channel estimation.
这需要通过信道估计获得信道状态信息。
The performance can be improved greatly by using the channel state information (CSI) in Viterbi decoder.
在维特比译码器译码时，应用信道状态信息(CSI)，可以明显提高系统性能。
Blind estimation dose not need the pilots and USES the received signal to estimate the channel state information.
盲估计不需要导频符号，直接利用接收的信号对信道进行估计。
However, if the VBLAST is precoded using the channel state information at the transmitter, the hybrid system's performance may be better.
然而，如果可以在VBLAST码发射端利用信道信息对发射信号进行预编码，该混合编码系统性能将有可能会提高。
Known of channel state information, the adaptive parameter can be calculated, and the input symbols can be coded in the designed structure.
已知信道状态信息，自适应参数可以被计算，并且可以被编码的输入符号的结构设计中。
With partial channel state information at the transmitter, a novel transmitter based on the optimal weight matrix is proposed in MIMO-STBC system.
在发射机获得部分下行信道信息的情况下，提出了一种基于最佳权矩阵的MIMO -STBC发射机。
Then, the bit was rounded by the greedy algorithm with the channel state information judgment, to obtain the minimized transmission power of the system.
通过对信道状态信息进行判断，利用贪婪算法将用户子载波分配的比特取整，以实现系统功率最小化。
Compared with coherent antenna selection, the NON-AS algorithm do not require estimating channel state information, which greatly reduce system complexity.
与相干检测的天线选择相比，NON - AS算法不需要估计信道，大大降低了系统复杂性。
This paper presents a new differential detection scheme for transmit diversity, when neither the transmitter nor the receiver has the channel state information.
本文提出一种收发端均不知道信道状态信息情况下发射分集差分检测新方法。
For a multiple input single output (MISO) communications system, the presence of the erroneous channel state information (ECSI) must be taken into consideration.
对于多发单收天线(MISO)通信系统，考虑发射端信道状态信息的差错(ECSI)。
This algorithm combined sub-carrier allocation in the physical(PHY) layer with traffic scheduling at the data link layer (DLL) by employing the channel state information.
利用物理层的信道状态信息，该算法将物理层（PHY）的子载波分配同数据链路层（DLL）的数据包业务调度结合起来。
At the same time, if radio resource allocation is fully based on channel state information, these increase the needed number of feedback bits and lead to feedback overhead.
同时，如果无线资源分配基于完全信道信息反馈，将会增加系统的信息反馈量，造成较大的信息冗余。
Differential unitary space-time code(DUSTC) keeps good performance in rapidly fading channels when neither the transmitter nor the receiver knows the channel state information.
差分酉空时码不需要任何信道状态信息，在通信终端处于高速移动环境下的快变衰落信道中仍能保持较好的性能。
This thesis focuses on adaptive OFDM and adaptive SC-FDE with low feedback channel state information (CSI), that is, how to carry out adaptive transmission by using limited CSI.
本文研究了低回馈信道状态信息的自适应OFDM和SC - FDE系统，即利用有限的信道状态信息实现自适应传输。
A predicted repeat GBN HARQ algorithm with several buffers was presented, which suits for slowly fading TDD system since the transmitter can achieve the channel state information.
提出一种具有少量缓存结构的预测gbn- HARQ算法，该算法适用于TDD时分复用的慢衰落系统。
In MIMO spatial multiplexing system, channel state information(CSI) is very useful for adaptive selection of the optimal precoding schemes which can enhance system performance effectively.
针对MIMO空分复用系统中利用信道状态信息自适应选择最佳预编码方案能有效提高系统性能，提出了一种基于有限比特反馈的预编码联合优化算法。
Albeit reasonable for wireline links, adaptive transmissions based on perfect channel state information (CSI) in wireless systems can be justified only when the channel fading is sufficiently slow.
合理的有线链接，自适应传输只是慢的基础上完善的信道状态信息(CSI)在无线系统，可以合理的信道衰落时，才足够缓慢。
The relationship between the channel state information (CSI) and the static channel parameters was analyzed to develop a parametric predictor on the basis of auxiliary environmental static parameters.
为了解决在未来无线通信系统中对信道状态信息（CSI）的准确预测问题，分析了CSI与静态环境参数的关系，提出一种基于环境辅助静态参数的参数化信道预测方法。
Red key Under normal state, press red key to access to information of current channel, other functions are decided by specific applications.
红色键在正常状态下，按下红色键调出当前频道的信息，其它功能由具体应用决定。
I. e., a state where automatic parallel information processing, which usually takes place outside of awareness, and interferes with conscious or more intentional limited channel processing.
也就是说一种和信息处理自动相互平行的一种状态，常常在不自觉的状态下发生，并经常性地干扰自觉地或者蓄意的信息处理过程。
I. e., a state where automatic parallel information processing, which usually takes place outside of awareness, and interferes with conscious or more intentional limited channel processing.
也就是说一种和信息处理自动相互平行的一种状态，常常在不自觉的状态下发生，并经常性地干扰自觉地或者蓄意的信息处理过程。
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