orthogonal frequency division multiplexing
資源簡(jiǎn)介：orthogonal frequency division multiplexing(OFDM) signal simulation
上傳時(shí)間： 2014-01-10
上傳用戶：himbly
資源簡(jiǎn)介：Analysis and Simulation of a Digital Mobile Channe Using orthogonal frequency division multiplexing
上傳時(shí)間： 2016-05-13
上傳用戶：ainimao
資源簡(jiǎn)介：orthogonal frequency division multiplexing FOR WIRELESS COMMUNICATIONS
上傳時(shí)間： 2016-11-05
上傳用戶：songrui
資源簡(jiǎn)介：This program generates OFDM (orthogonal frequency division multiplexing) signal and its spectrum. Also the guard interval (GI) is inserted.
上傳時(shí)間： 2014-01-16
上傳用戶：daoxiang126
資源簡(jiǎn)介：orthogonal frequency division multiplexing
上傳時(shí)間： 2013-12-23
上傳用戶：壞天使kk
資源簡(jiǎn)介：OFDM(orthogonal frequency division multiplexing)
上傳時(shí)間： 2014-01-22
上傳用戶：ruixue198909
資源簡(jiǎn)介：A MATLAB program has been written to investigate orthogonal frequency division multiplexing (OFDM) communication systems. This program is valuable for future researchers simulating systems that are too theoretically complex to analyze. Si...
上傳時(shí)間： 2013-12-09
上傳用戶：redmoons
資源簡(jiǎn)介：orthogonal frequency division multiplexing? (OFDM) has been shown to be an effective technique to combat multipath fading in wireless channels. It has been and is going to be used in various wireless communication systems. This book gives ...
上傳時(shí)間： 2020-05-31
上傳用戶：shancjb
資源簡(jiǎn)介：This paper considers semiblind channel estimation and data detection for orthogonal frequency-division multiplexing (OFDM) over frequency-selective fading channels.
上傳時(shí)間： 2014-12-07
上傳用戶：coeus
資源簡(jiǎn)介：近幾年來(lái)，OFDM(orthogonal frequency division multiplexing)技術(shù)引起了人們的廣泛注意，根據(jù)這項(xiàng)新技術(shù)，很多相關(guān)協(xié)議被提出來(lái)。其中WiMax(Wireless MetropolitanArea Networks)代表空中接口滿足IEEE 802.16標(biāo)準(zhǔn)的寬帶無(wú)線通信系統(tǒng)，IEEE標(biāo)準(zhǔn)在2004年定義了...
上傳時(shí)間： 2013-07-31
上傳用戶：1757122702
資源簡(jiǎn)介：正交頻分復(fù)用(orthogonal frequency division multiplexing，OFDM)技術(shù)是一種多載波傳輸技術(shù)，它的基本思想是在頻域內(nèi)將給定信道劃分成幾個(gè)相互正交的子信道，每個(gè)子信道使用一個(gè)子載波進(jìn)行調(diào)制，各子載波并行傳輸。該技術(shù)可以有效提高頻譜利用率，能夠?qū)苟?..
上傳時(shí)間： 2013-05-20
上傳用戶：Ruzzcoy
資源簡(jiǎn)介：正交頻分復(fù)用(OFDM，orthogonal frequency division multiplexing)技術(shù)作為一種可以有效對(duì)抗信號(hào)波形間干擾的高速傳輸技術(shù)，引起了廣泛關(guān)注。它利用許多并行的、傳輸?shù)退俾蕯?shù)據(jù)的子載波來(lái)實(shí)現(xiàn)高速率的通信。它的特點(diǎn)是各子載波相互正交，所以擴(kuò)頻調(diào)制后的頻譜...
上傳時(shí)間： 2013-06-29
上傳用戶：水瓶kmoon5
資源簡(jiǎn)介：選擇映射法（SLM）和概率類算法都可以降低OFDM （orthogonal frequency division multiplexing）系統(tǒng)的PAPR（Peak to Average Power Ratio），傳統(tǒng)SLM算法自身較為復(fù)雜，但由于其優(yōu)良的性能，棄之可惜。研究表明，SLM算法和限幅類算法在性能上具有一定的互補(bǔ)...
上傳時(shí)間： 2013-11-22
上傳用戶：xinhaoshan2016
資源簡(jiǎn)介：正交頻分復(fù)用技術(shù)（orthogonal frequency division multiplexing， OFDM）非常適合高速通信系統(tǒng)，但存在高峰均功率比（PAPR）的問(wèn)題。對(duì)OFDM系統(tǒng)中如何降低PARR的問(wèn)題進(jìn)行了研究，討論了降低PAPR的主要方法，重點(diǎn)分析了選擇性映射法（SLM），并在此基礎(chǔ)上提出...
上傳時(shí)間： 2014-01-23
上傳用戶：zwei41
資源簡(jiǎn)介：Abstract: While many questions still surround the creation and deployment of the smart grid, the need for a reliablecommunications infrastructure is indisputable. Developers of the IEEE 1901.2 standard identified difficult channel condition...
上傳時(shí)間： 2013-10-18
上傳用戶：myworkpost
資源簡(jiǎn)介：正交頻分復(fù)用 （orthogonal frequency division multiplexing，OFDM）是一種多載波調(diào)制技術(shù)，由于具有良好的抗多徑干擾性能，適用于高速數(shù)據(jù)傳輸，OFDM成為近年來(lái)人們研究的熱點(diǎn)。但是其峰均比較高，應(yīng)用受到了限制，因此有必要研究降低PAPR的方法。本文首先...
上傳時(shí)間： 2013-11-19
上傳用戶：moshushi0009
資源簡(jiǎn)介：This project aim was to build wireless software modem for data communication between two computers using an acoustic interface in the voice frequency range (20Hz– 20,000Hz). The transmitting antenna is a speaker (frequency response of: 9...
上傳時(shí)間： 2014-05-29
上傳用戶：wangdean1101
資源簡(jiǎn)介：OFDM Modem Applications • Digital Video Broadcast (DVB) • Digital Audio Broadcast (DAB) • Broadband Wireless Access (802.16x) • Wireless LAN (802.11x & HiperLAN) orthogonal OFDM Sub-carriers orthogonal frequency di...
上傳時(shí)間： 2016-03-23
上傳用戶：cc1
資源簡(jiǎn)介：OFDM(orthogonal frequency division multiplexing)即正交頻分復(fù)用技術(shù)，實(shí)際上OFDM是多載波調(diào)制的一種。其主要思想是：將信道分成若干正交子信道，將高速數(shù)據(jù)信號(hào)轉(zhuǎn)換成并行的低速子數(shù)據(jù)流，調(diào)制到在每個(gè)子信道上進(jìn)行傳輸。正交信號(hào)可以通過(guò)在接收端采用相關(guān)...
上傳時(shí)間： 2015-02-17
上傳用戶：hongyun288
資源簡(jiǎn)介：This book gives a comprehensive overview of the technologies for the advances of mobile radio access networks. The topics covered include linear transmitters, superconducting filters and cryogenic radio frequency (RF) front head, radio over...
上傳時(shí)間： 2020-05-26
上傳用戶：shancjb
資源簡(jiǎn)介：Emerging technologies such as WiFi and WiMAX are profoundly changing the landscape of wireless broadband.? As? we evolve into future generation wireless networks, a primary challenge is the support of high data rate, integrated multi- med...
上傳時(shí)間： 2020-05-26
上傳用戶：shancjb
資源簡(jiǎn)介：All wireless communication standards, existing and under development, adopt or consider adopting orthogonal frequency-division multiplexing (OFDM) as the modulation technique. It is clear that OFDM has become the definitive modulation schem...
上傳時(shí)間： 2020-05-31
上傳用戶：shancjb
資源簡(jiǎn)介：Before delving into the details of orthogonal frequency division multiplexing (OFDM), relevant background material must be presented first. The purpose of this chapter is to provide the necessary building blocks for the development of OFDM ...
上傳時(shí)間： 2020-05-31
上傳用戶：shancjb
資源簡(jiǎn)介：Emerging technologies such as WiFi and WiMAX are profoundly changing the landscape of wireless broadband.? As? we evolve into future generation wireless networks, a primary challenge is the support of high data rate, integrated multi- med...
上傳時(shí)間： 2020-05-31
上傳用戶：shancjb
資源簡(jiǎn)介：5G通信系統(tǒng)中massive-MIMO-FBMC技術(shù)的結(jié)合概述摘要為了應(yīng)對(duì)第五代移動(dòng)通信（5G）中更高數(shù)據(jù)率和更低時(shí)延的需求，大規(guī)模MIMO （massive multiple-input multiple-output）技術(shù)已經(jīng)被提出并被廣泛研究。大規(guī)模 MIMO技術(shù)能大幅度地提升多用戶網(wǎng)絡(luò)的容量。而在5G...
上傳時(shí)間： 2022-02-25
上傳用戶：
資源簡(jiǎn)介：正交頻分復(fù)用（OFDM，orthogonal frequency division multiplexing）是當(dāng)前一種非常熱門的通信技術(shù)。它即可以被看作是一種調(diào)制技術(shù)，也可以被看作是一種復(fù)用技術(shù)。由于它具有抗多徑衰落和頻譜利用率高的特點(diǎn)，因此被廣泛應(yīng)用于高速數(shù)字通信領(lǐng)域，比如應(yīng)用于IE...
上傳時(shí)間： 2022-07-29
上傳用戶：
資源簡(jiǎn)介：orthogonal frequency offser
上傳時(shí)間： 2017-03-06
上傳用戶：shizhanincc
資源簡(jiǎn)介：Wavelength division multiplexing (WDM) refers to a multiplexing and transmission scheme in optical telecommunications fibers where different wavelengths, typically emitted by several lasers, are modulated independently (i.e., they carry ind...
上傳時(shí)間： 2020-06-01
上傳用戶：shancjb
資源簡(jiǎn)介：正交頻分復(fù)用(OnIlogonaJ frequency division multiplexing，OFDM)技術(shù)通過(guò)將整個(gè)信道分為多個(gè)帶寬相等并行傳輸?shù)淖有诺?，通過(guò)將信息經(jīng)過(guò)子信道獨(dú)立傳輸來(lái)實(shí)現(xiàn)通信，子信道的正交性可以保證最大限度的利用頻譜資源。OFDM系統(tǒng)通過(guò)循環(huán)前綴來(lái)消除符號(hào)間干擾(ISI...
上傳時(shí)間： 2013-06-06
上傳用戶：yyyyyyyyyy
資源簡(jiǎn)介：近年來(lái)，人們對(duì)無(wú)線數(shù)據(jù)和多媒體業(yè)務(wù)的需求迅猛增加，促進(jìn)了寬帶無(wú)線通信新技術(shù)的發(fā)展和應(yīng)用。正交頻分復(fù)用 (orthogonal frequency division Multiolexing，OFDM)技術(shù)已經(jīng)廣泛應(yīng)用于各種高速寬帶無(wú)線通信系統(tǒng)中。然而 OFDM 系統(tǒng)相比單載波系統(tǒng)更容易受到頻偏...
上傳時(shí)間： 2013-04-24
上傳用戶：斷點(diǎn)PPpp
