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)。
For a multiple input single output (MISO) communications system, the presence of the erroneous channel state information (ECSI) must be taken into consideration.
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。
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.
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。
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.
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。
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.
通过利用编码中的旋转不变性，数据融合点无需了解信道状态信息(CSI)即可直接解码。
By elegantly exploiting the rotational invariance property of the coding technology, a direct decoding algorithm without knowing channels state information (CSI) is derived in data gathering node.
因此，如何获得准确的MIMO信道状态信息就成为一个关键问题。
Therefore, how to get the MIMO channel information correctly becomes a crucial problem.
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。
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.
该方法利用DFT迭代算法来重构虚载波的频域信道状态信息，通过时域滤波方法来抑制噪声。
The channel status information was reconstructed by the new algorithm according to a DFT iterative algorithm. Then the channel noise was suppressed by time domain filter methods.
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。
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.
深入研究了数字电视地面广播COFDM解调方案中的解映射软判决技术，提出了适用于该系统的信道状态信息CSI提取方法。
This paper investigates the soft decision of de-mapping technique in COFDM de-modulation scheme. It proposes a new method suitable for the scheme for extracting CSI from communication channel.
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。
Then, the bit was rounded by the greedy algorithm with the channel state information judgment, to obtain the minimized transmission power of the system.
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。
Known of channel state information, the adaptive parameter can be calculated, and the input symbols can be coded in the designed structure.
与一比特信道状态信息回馈的自适应OFDM比较，自适应SC-FDE系统误码性能更好。
The performance of BER of the proposed SC-FDE system overcomes adaptive OFDM system with one bit per subcarrier CSI feedback in the same conditions.
本文在已知信道状态信息的前提下，将MIMO和OFDM技术相结合，提出了一种新的MIMO - OFDM系统的功率分配和自适应调制方法。
In this paper, a novel power allocation and adaptive modulation method is proposed on the basis of the combination of MIMO and OFDM technology.
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。
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。
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.
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