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- frequency diversity gain 分集增益
- A novel design of OFDM-based space-frequency codes is proposed such that the maximum achievable diversity gain is available. 摘要提出了一种基于OFDM达到最大可达分集增益的空频码设计方案。
- The performance of MIMO-OFDM system can be significantly improved for the diversity gain and coding gain of space-time coding. 并且通过计算机仿真验证了加入空时编解码的MIMO-OFDM系统性能的提高。
- This provided the foundation for advance study and brought forward the high removes resolution and frequency diversity. 提出用高分辨率和频率分集解决多径效应问题。
- Space-time trellis codes can provide the best tradeoff between bandwidth efficiency, diversity gain, constellation size and trellis complexity. 摘要空时网格编码能在频带利用率、分集增益、调制方式与编码网格图复杂度之间达到最佳的折衷。
- Eigen-beamforming(EBF)technique and trellis coded modulation(TCM)concatenated with space time block code(STBC)are used to achieve code gain and diversity gain. 应用空时分组码特征波束成型技术和格形编码调制(TCM)来获得分集增益和编码增益。
- The upper bound of pairwise error probability (PEP) of the MIMO_OFDM systems is investigated.The code gain and diversity gain of the proposed scheme are given. 本文分析了MIMO-OFDM系统成对错误概率的上限，给出了本文提出方案的编码增益和分集增益。
- In this paper, the multiuser diversity gain based on two representative limited channel feedback is investigated, and it is compared with ideal feedback. 该文主要研究了基于两种典型的有限信道反馈的多用户分集增益，并与理想反馈进行了对比。
- The results show that with the same antenna number and sum power Distributed Antenna System (DAS) is preferable to Co-located Antenna System (CAS) in term of multiuser diversity gain. 结果表明，在天线数目和总功率相同的情况下，采用分布式天线系统可以得到比集中放置天线系统(CAS)更大的多用户分集增益。
- Pulsed Doppler Frequency Diversity 脉冲多普勒频率分集制
- frequency diversity spread spectrum 频率分集扩频通信
- transmission frequency diversity 传输频率多样化
- Variable transmit diversity gain 可变发射分集增益
- frequency diversity protection switching 频率分集保护转换
- The tradeoff shows that suitable space time codes would provide diversity gain and multiplexing gain simultaneously.However, two gains can not achieve the maximum level at the same time. 折衷关系表明，采用合适的空时编码可以同时获得分集增益和空间复用增益，但是两种增益不能同时达到最大。
- Keywords HARQ;ARQ;MIMO;OFDM;frequency diversity;spatial diversity; 混合自动请求重传;自动请求重传;OFDM;MIMO;频率分集;空间分集;
- He varied the transmission frequency. 他变换了无线电传送的频率。
- Tradeoff between Diversity Gain and Multiplexing Gain in MIMO Systems MIMO系统中分集增益和空间复用增益的折衷关系
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Frequency Diversity Scheme for OFDM Systems Based on Space-Time Block Coding 基于空时分组编码的OFDM系统频率分集方案
