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Draft P802.11ax_D1.0
目前802.11ax协议最新的Draft 1.0版本,802.11ax引进或者改进了多项新技术,例如更高的调制阶数(1024QAM)、更多的FFT点数、更窄的子载波间隔、上下行OFDMA技术、上下行MU-MIMO技术(其中下行MU-MIMO在802.11ac时引入)、空间复用技术等。
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MIMO-OFDM Wireless Communications with MATLAB
... Algorithm for Frequency-Domain Link Adaptation.
4.3 Coded OFDM.
4.4 OFDMA: Multiple Access Extensions of OFDM.
4.4.1 Resource Allocation – ...
8.2.2 Cell-Specific Interleaving.
8.2.3 Frequency-Hopping OFDMA.
8.2.4 Random Subcarrier Allocation.
8.3 Inter-Cell ...
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NOMA技术概念和未来考虑
作为未来无线电访问的一种有前途的下行多重接入方案,本文讨论了非正交多通道(NOMA)在接收端连续干扰消除器的概念和实际考虑。其目的是为了阐明NOMA优于正交多存取(OMA)的好处,如长期演进(LTE)所采用的OFDMA。讨论了NOMA的实际考虑,如多用户功率分配、信号开销、SIC错误传播、高机动性场景的性能,以及多输入多输出(MIMO)的组合。通过计算机仿真,我们提供了NOMA的系统级性能,考虑到蜂窝系统的实际方面,以及LTE ...
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WiMAX原理與測試
WiMAX原理與測試 agilent 官方教材
Agenda
• Broadband Wireless Access Evolution
• WiMAX-OFDMA Technologies
• WiMAX-OFDMA Signal Meas. & Analysis
• Resource
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LTE调制编码方式统计
LTE被业界认为是准4G技术。LTE支持灵活的传输带宽、低时延、高速率和高移动性,采用OFDMA和SC-FDMA分别作为下行和上行多址方式。
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Stochastic Modeling and Analysis of Telecoms Networks
... measures and comparison principles are obtained for a wide class of models, from the canonical M/M/1 and G/G/1 queues to more sophisticated systems, including the current âhot topicsâ of spatial radio networking, OFDMA and real-time networks.
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LTE, LTE-Advanced and WiMAX
... terms of vendor and operator support.Whilst both technologies share certain attributes (utilizingOrthogonal Frequency Division Multiple Access (OFDMA) in downlink,accommodating smart antennas and full support for IP-switching, forexample), they differ in ...
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LTE The UMTS Long Term Evolution
... /HSPA standards. The authors not only pay special attention to the physical layer, giving insight into the fundamental concepts of OFDMA, SC-FDMA and MIMO, but also cover the higher protocol layers and system architecture to enable the reader to gain an ...
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Multi-Carrier and Spread Spectrum Systems
... investigate several MC combined multiple access schemes, such as MC-CDMA, OFDMA and MC-TDMA. These schemes benefit from the advantages of ... /4G) are given. Further derivatives of MC-SS (such as OFDMA, SS-MC-MA and DFT-spread OFDM) and their corresponding ...
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