空时编码采用多发送天线设计信道编码，联合考虑分集、编码与调制，从而提高信号在无线衰落信道中传输的可靠性。
The design of channel codes for improving the reliability of communications over fading channel using multiple transmit antennas is considered.
在多径衰落信道CDMA系统中，扩频码设计与联合检测为提高系统容量的两个重要手段。
Spreading code design and joint detection are two efficient ways to increase CDMA system capacity in multi-path fading channels.
对于特种小卫星扩频通信系统，衰落及干扰状况是系统设计时必须考虑的重要方面。
When designing a special type small satellite (STSS) communication system with spread-spectrum technology, the fading and the interference must be considered carefully.
对准静态衰落信道、快衰落信道以及介于两者之间的时变衰落信道下的空时码设计准则进行了研究。
The design criteria of space-time code (STC) for quasi-static fading channels, fast fading channels, and the time-varying fading channels are investigated.
考察了空时码的首事件差错概率，并基于首事件差错概率提出一种新的用于时变衰落信道的空时码混合设计准则。
The first-event error probability of STC is evaluated, and a new hybrid design criterion of space-time code for time-varying fading channels is proposed based on that probability.
本文设计的是应用于具有瑞利衰落信道的移动通信系统中的RS(31,15)编码器。
This design of RS (31, 15) Encoder is applied to Rayleigh Channel for mobile communication.
介绍了空时码在频率非选择性慢衰落信道下各种设计准则的推导过程，并对几种现有空时码进行了性能分析和比较。
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.
介绍了空时码在频率非选择性慢衰落信道下各种设计准则的推导过程，并对几种现有空时码进行了性能分析和比较。
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.
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