1) maximum achievable diversity gain
最大可达分集增益
1.
A novel design of OFDM-based space-frequency codes is proposed such that the maximum achievable diversity gain is available.
提出了一种基于OFDM达到最大可达分集增益的空频码设计方案。
5) diversity gain
分集增益
1.
Performance analysis shows that with uncorrelated transmit and receive antennas the TAS/MRC scheme can achieve full diversity gains and if all t.
性能分析表明:采用不相关的发射和接收天线,TAS/MRC方法能实现满分集增益;随着接收相关的增强,系统的分集增益减小,性能下降;反之,系统的编码增益增大,从而对系统性能的下降有一定的抵消作用。
2.
By partitioning antennas into small groups as the transmitter, using individual space-time codes to transmit information from each antenna group, optimizing transmit power, and decoding an individual space-time code with group interference suppression method and ML detecting at the receiver, this method can improve the diversity gain and error performance .
该方法在不增加设备复杂度的基础上提高了系统的分集增益和误码性能。
3.
An empirical model of site diversity for stratospheric communications was proposed with diversity gain data for stratospheric communications that are obtained by simulating three dimention spatial structures of rain cells using geometry method.
通过模拟雨区的三维结构 ,利用几何方法获得平流层通信分集增益数据 ,建立了平流层通信站分集的经验模型 ,并用实验数据对模型进行了检验 。
6) Diversity gains
分集增益
1.
In this paper, the coding gains, diversity gains and spectral efficiency of the previous space time codes are analyzed systematically according to the concept of pair wise error probability.
从成对错误概率的角度出发 ,详细分析比较了现有 3种空时编码的编码增益和分集增益 ,以及它们与频带利用率之间的关系 ,结果表明 ,分层空时码可以获得的频带利用率远大于其他两种空时码 ;但对分集增益而言 ,网格空时码和分组空时码均可达到系统所能提供的最大分集增益 ,而分层空时码由于受实现方式的制约 ,只能得到其中一部分分集增益 。
补充资料：达分
1.明白应尽的职分。
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参考词条