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- 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。
- 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。
- The ITPGRFA has two major aims: to prevent the loss of underused crops and ensure the full diversity of common crop species is maintained. 国际食品和农业植物遗传资源公约有两个主要目的:保护正在使用的作物不受损失,确保常规作物的充足的多样性得到保护和维持。
- 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。
- Unlike the constellation rotation scheme for the full diversity, the precoding scheme improves the performance of QOSTBC with reducing ISI to the most extent. 和获得满分集增益的星座图旋转方案不同,预编码方案最大程度上减少了码间串扰,提高准正交码的性能。
- 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。
- Group - wise Full Diversity Full Rate (GFDFR) 分组全分集全码率(GFDFR)
- Variable transmit diversity gain 可变发射分集增益
- 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。
- He walked with a stride full of purpose. 他迈着坚定的步伐向前走。
- She has a book full of cuttings about her film. 她有一本书贴满了关于她的一些影片的剪报。
- The druggist put in a full stock of drugs. 那位药商进了一大批药品。
- New York City's Third Avenue is full of gin mills. 纽约市第3大街上小酒吧林立。
- He delivered a long prose full of platitudes. 他发表了一篇充满陈词滥调的文章。
- A big ship ploughed the sea at full sail. 一艘大船张满帆在海面上破浪前进。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- A full requital of his striving pain. 这是对他艰苦努力的圆满回报。