Space-time trellis code combining space diversity with code and modulation, can improve efficiency and reliability of communication system in wireless channel efficiently.
发射端分集、编码和调制结合空时格码，可以有效地提高信号在无线衰落信道中传输的有效性和可靠性；
For the OFDM system, a scheme of combining space-time code with the adaptive power control technology is proposed with simulation results, which increases the diversity gain and the adaptive gain.
对OFDM系统提出将空时编码与自适应功率控制技术相结合，给出了仿真结果，提高了分集增益和自适应增益。
A problem addressed is the complexity imposed by a soft handover combination node in the network for combining packets received from one mobile station over parallel diversity links.
提出的一个问题是由网络中用于组合通过并行分集链路从一个移动台接收的分组的软切换组合节点造成的复杂性。
According to space time block coding based transmitting antenna diversity (STTD) in the WCDMA system, this paper presents a reception scheme based on maximal ratio combining (MRC).
针对WCDMA下行链路空时编码发送分集(STTD)确定了基于最大比合并(mrc)的分集接收方案，并对其进行了性能分析。
Based on the antenna diversity and RAKE diversity, a new dual-antenna RAKE diversity model is put forward which features optimum combining.
本文在传统的天线一维空间分集的基础上结合RAKE分集技术，提出了一种具有最优合并方案的双天线rake分集接收机结构。
Extensive simulations show that combining three diversity branches with proper frequency shifts reduces BER by an order when the normalized Doppler spread is larger than 0.3.
大量的仿真结果表明，三个分集结合适当的频率变化，降低了误码率的命令时，归一化多普勒扩展是大于0.3。
Extensive simulations show that combining three diversity branches with proper frequency shifts reduces BER by an order when the normalized Doppler spread is larger than 0.3.
大量的仿真结果表明，三个分集结合适当的频率变化，降低了误码率的命令时，归一化多普勒扩展是大于0.3。
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