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- An adaptive subcarrier and bit allocation method based on embedded constellation is proposed for multiuser OFDM systems. 在多用户正交频分复用(OFDM)系统中,提出了一种基于复合星座的自适应子载波和比特分配方案。
- A Suboptimal Multiple Access Scheme for Multiuser OFDM System 多用户OFDM系统中一种次最优多址接入方案
- Adaptive sub-channel, bit and power allocation for multiuser OFDM systems 多用户OFDM系统中的自适应子信道和比特、功率分配
- Adaptive sub-channel,bit and power allocation for multiuser OFDM systems 多用户OFDM系统中的自适应子信道和比特、功率分配
- An Improved Algorithm for Dynamic Subcarrier and Power Allocation in Multiuser OFDM Systems 多用户OFDM系统中改进的动态子载波与功率分配算法
- Joint subcarrier and power allocation algorithm for multiuser OFDM systems and its performance 多用户OFDM系统中的联合子载波和功率分配算法
- Margin adaptive allocation algorithm with average data rate constraint in multiuser OFDM systems 平均速率受限条件下OFDM系统联合自适应分配策略
- An Adaptive Allocation Algorithm for Multiuser OFDM System over Frequency Selective Fading Channels 频率选择性衰落信道中多用户OFDM系统的自适应分配算法
- multiuser OFDM system 多用户OFDM系统
- OFDM system tends to damage the orthogonality for ICI. OFDM的频谱正交性容易受到ICI的影响被破坏.
- Carrier frequency offset is one of the key problems in OFDM system. 摘要载波频率偏移是OFDM系统实现的关键问题之一。
- In chapter 4, we concatenate space-time block coding with a delay processor and a signal mapper in OFDM system. 在第四章中,我们结合具有延迟处理器的篱栅编码架构与正交空时区块码应用于正交分频多工系统。
- The results show that TC OFDM system can provide 6dB coding gain at a BER of 10 -3 compared with no coding OFDM system. 结果表明 ,在比特误码率BER为 10 - 3时采用TC OFDM方案与未编码系统相比可以提供 6dB的编码增益。
- This paper also introduces the application of LDPC codes,especially its application in the STC- OFDM system. 文中还讨论了LDPC码的应用,主要是在STC-OFDM系统中的应用。
- The second chapter introduced OFDM system, including series-parallel conversion, DFT/IDFT conversion, cyclic prefix. 第二章介绍了OFDM系统与MIMO技术,包括OFDM系统的串并转换,DFT/IDFT转换,循环前缀等特性。
- One of the major drawbacks of the OFDM system is the high peak-to-average power ration (PAPR). 摘要正交频分复用(OFDM)系统的一个主要缺点是峰均功率比(PAPR)过高。
- By this way, no redundant signals are added, and the bandwidth efficiency of OFDM system is further increased. 由于采用这种方法无需加入冗馀信息,故进一步提高了系统的传输效率。
- From the OFDM system theory, we could know baseband OFDM signals often are realized by IFFT. 从OFDM系统原理可以知道,基带OFDM信号通常都是用IFFT来实现的。
- In this dissertation, under the guidance of multiuser information theory, the resource optimization techniques in both OFDM systems and cooperative communication systems are intensively studied. 本文以基于OFDM技术的第四代移动通信系统为背景,在多用户信息论的指导下,研究系统中的资源优化分配问题。
- A training guided decision feedback equalization (DFE) method was proposed for OFDM system. 针对OFDM系统,提出了一种基于训练引导的判决反馈均衡算法。