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Mpeg2-ts.rar
- 一、 MPEG-2系统标准概述 二、 MPEG-2传送流结构 三、MPEG-2的系统时序模型 四、节目特殊信息PSI和服务信息SI 五、MPEG-2传送流的复用过程 ,1, MPEG-2 system standard outlined in the second, MPEG-2 transport stream structure III, MPEG-2 four-time series model of the system and program specific informat
CMMB-GYT220.2
- 中国移动多媒体广播（CMMB）的标准。标准中的第二部分：复用-China Mobile Multimedia Broadcasting (CMMB) standard. The second part of the standard: Multiplexing
ofdm
- 正交频分复用（OFDM，Orthogonal Frequency Division Multiplexing）是一种多载波数字调制技术，也可以被当作一种复用技术。具有频谱利用率高、抗多径干扰等特点，OFDM系统能够有效地抵抗无线信道带来的影响，例如信道的频率选择性衰落，脉冲噪声和共信道干扰的影响。本文主要介绍了OFDM原理的相关知识。-The Orthogonal Frequency Division Multiplexing (OFDM, Orthogonal Frequency Divisi
capacitymimo
- This paper deals with the capacity behavior of wireless Orthogonal Frequency Division Multiplexing (OFDM)-based spatial multiplexing system when considering realistic channel delay profiles. In both the SISO and the MIMO contexts, we compare the
Overview_of_the_3GPP_Long_Term_by_freescale
- Freescale关于3GPP LTE PHY层的说明，包括OFDM、MIMO等内容。-This technical white paper provides an overview of the LTE physical layer(PHY), including technologies that are new to cellular such as Orthogonal Frequency Division Multiplexing (OFDM) and Multiple Input M
biyesejitognxinxitong
- 中文摘要 正交频分复用（ OFDM ， Orthogonal Frequency Division Multiplexing）是当前一种非常热门的通信技术。它即可以被看作是一种 调制技术，也可以被看作是一种复用技术。由于它具有抗多径衰落和频谱 利用率高的特点，因此被广泛应用于高速数字通信领域，比如应用于IEEE 802.11a无线局域网（WLAN）的物理层等等。 我的毕业设计的核心任务是：采用 FPGA 来实现一个基于OFDM 技术 的通信系统中的基带数据处
1
- 经过二十余年的快速发展， 空间激光通信的研究重心逐渐从高精度ATP分系统向高速 率通信分系统转移 紧密跟踪空间激光通信的国际发展最新动态，从通信带宽和链路功率两个方面， 针对通信发射单元、接收单元和信道特性，分析了提高空间激光通信传输速率的技术难度与途径．分 别阐述了波长1 550 nm、基于EDFA 功放和前放技术，空间相干技术，光偏振复用技术．光波分复用 技术的基本原理、性能指标及关键技术，为高速率空间激光通信提供了技术参考-After more than 20 years
TR
- 关于降低正交频分复用系统中峰值平均功率比降低的方法中最新的音频保留算法最新文献资料-On reducing orthogonal frequency division multiplexing with a peak to average power in the system than the method of reducing the latest audio retention algorithm latest literature
553-1504-1-PB
- Orthogonal Frequency Division Multiplexing (OFDM) is a multicarrier modulation and multiplexing technique proposed for 3G, 4G LTE-A systems to achieve higher data rates with better spectral efficiency at low latency. Time varying nature of the wi
2512ijcsa01
- As a multicarrier transmission system Orthogonal frequency division multiplexing (OFDM) has been widely applied in wireless communication systems due to its numerous advantages like robustness against multipath fading and delay, high data rate tr
WDM-filter-transceivers
- 我们设计和实验证明 布拉格光栅波分复用器 三波长的平面光波电路复用 公交车站台。1310和1550 nm的光，被设计成 由一个半周期通过定向耦合器分离后 和一个完整的周期耦合作用与0.07和0.19分贝的损失， 分别。1492 nm的光反射回来的布拉格 光栅对定向耦合器及其制作少损失 超过2分贝。我们也介绍和讨论新概念
VLC-using-OFDM
- 将OFDM技术运用在可见光通信的研究，并且把OFDM的高峰均比这一缺点进行了建设性的运用。-In particular, the use of OFDM (orthogonal frequency division multiplexing) for intensity modulation is investigated. The high peak-to-average ratio (PAR) in OFDM is usually considered a disadvant
kavi
- This research work is used performence improvement of frequency.It is frequency division multiplexing.
AAA
- In this letter, we propose a simple orthogonal frequency-division multiplexing (OFDM) scheme for an asynchronous cooperative system, where OFDM is implemented at the source node, and time-reversion and complex conjugation are implemented at the rel
finalLMS_Equalizer
- Also see orthogonal frequency-division multiplexing ( OFDM ), frequency-division multiplexing ( FDM ), and time-division multiplexing ( TDM ).
_order_estimation
- Several approaches to combine multicarrier modulation with code-division multiple access (CDMA) techniques have been proposed with the aim of bringing the best of both worlds to wireless communications [1]. Among these, multi-carrier CDMA (MC-CDMA),
generalised.RAR
- Abstract—A generalised spatial modulation (SM) scheme with multiple active transmit antennas, named as multiple activespatial modulation (MA-SM), is proposed in this paper. By allowing multiple transmitting antennas in the SM system to transmit
trellis-coded-spatial-modulation-(3)
- Trellis coded modulation (TCM) is a well known scheme that reduces power requirements without any bandwidth expansion. In TCM, only certain sequences of successive constellation points are allowed (mapping by set partitioning). The novel idea
00554481
- he fabrication and performaince of a semiconductor optical amplifier for wavelength conversion in subcarrier multiplexed system is described. The amplifier is of the buried facet design and has p o ~ a r ~ ~ a ~anido nre flectivity gain ripple
07355304
- We present a novel beamforming technique for multi-user frequency-selective indoor channels called interference-nulling time-reversal (INTR). The beamformer is implemented with a pre-filter designed to minimize the interuser interference pres