Index investment and the financialization of commodities. Cfp18411pod 9781538676363 2018 ieee 18th international conference on communication. Pdf experimental demonstration of realtime 3gbs optical ofdm. Us20272698a1 adaptive bit or power loading in optical. Hybrid ssb ofdmdigital filter multiple access pons jin. Orthogonal frequency division multiplexing oofdm in intensity modulation and direct detection imdd based future access networks to provide multiservice capability with a minimum 1 gbs per user. Jianlin tang, md is a general surgery specialist in toledo, oh and has been practicing for 12 years. As seen in this figure, assuming that the inverse fast fourier transform ifft size is b, the mth ofdm symbol at the ifft output can be expressed as,, b ac. On the potential of ofdm enhancements as 5g waveforms. He specializes in general surgery, colorectal surgery, and more. Correspondence jianming tang, phd, department of radiation oncology, zhejiang provincial peoples hospital, hangzhou medical college, hangzhou, 310014 zhejiang province, china.
Yixian dong, roger philip giddings, member, ieee, and jianming tang, member, ieee. Orthogonal frequency division multiplexing ofdm is a widely used modulation and multiplexing technology, which has become the basis of many telecommunications fields. Wei jin, abdulai sankoh, yixian dong, zhuqiang zhong, roger philip giddings, maurice osullivan, jeffrey lee, tim durrant, and jianming tang. Today and in the future of next generation wireless communications conference paper pdf available september 2016 with 2,774 reads how we measure reads. Shore, highspeed transmission of adaptively modulated optical ofdm signals over multimode fibres using directly modulated dfbs, j. An overview of ofdm variants and their applications nilesh chide, shreyas deshmukh, prof. Abdulai sankoh, yixian dong, zhuqiang zhong, roger philip giddings, maurice osullivan, jeffrey lee, tim durrant, and jianming tang. Improved optical orthogonal frequencydivision multiplexing performance using nonlinear signal compression in intensity modulation and direct detection transmission systems incorporating parameterrelaxed digitaltoanalogue convertersanaloguetodigital converters. Adaptive optical ofdm for local and access networks. Pdf the feasibility of implementing 128qam in offtheshelf componentbased realtime optical ofdm oofdm transceivers incorporating advanced.
Jianming tang s 31 research works with 99 citations and 1,010 reads, including. Mdpi provides article reprints in high quality with convenient shipping to destinations worldwide. S sen, a nehoraiadaptive ofdm radar for target detection in multipath scenarios. Emilio huguessalas, qianwu zhang, roger philip giddings, min wang, and jianming tang, adaptabilityenabled recordhigh and robust capacityversusreach performance of realtime dualband optical ofdm signals over various om1om2 mmf systems invited, j. Ofdm signal from various optical network units onus, and a single. Ofdm introduction ee225c introduction to ofdm lbasic idea. An overview of ofdm variants and their applications.
Orthogonal frequency division multiplexing ofdm has been shown to be an effective technique to combat multipath fading in wireless communications. Hybrid ofdmdigital filter multiple access pons dong, yixian. Pdf fpga implementation of distanceindependent symbol. Hybrid orthogonal frequency division multiplexing ofdm digital filter multiple access dfma passive optical networks pons are, for the. Prof jianming tang school of computer science and electronic. This cited by count includes citations to the following articles in scholar. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Nitin chore abstract orthogonal frequency division multiplexing ofdm is a modulation technique which is now used in most new and emerging broadband wired and wireless.
Combining orthogonal frequency division multiplexing ofdm with mimo enables a relative easy implementation of wireless mimo systems 56. Dspbased 40 gbs lane rate nextgeneration access networks. Design and analysis of adaptively modulated optical. However, the hybrid ofdm dfma pons based on intensitymodulation and directdetection imdd convey double sideband dsb signals at different subwavelengths, this halves the spectral. Pdf realtime demonstration of 128qamencoded optical ofdm. Xing zheng, jinlong wei, roger philip giddings, jianming tang. Osa hybrid ssb ofdmdigital filter multiple access pons. After the ifft, a 25% cyclic prefix is added to each ofdm symbol before the digital ofdm signal is converted to an analogue. Suppression of doppler dispersion in the target detection with multi.
Jianming tang who offered constructive and detailed insights and comments on various different aspects of my dissertation research. Tang s ongoing research focuses on genetic and epigenetic contributions to infection and immunity in human populations. Yong luo, jian tang, jun yan, chao xu, and zheng chen. Chongqing, china 811 october 2018 ieee catalog number. Hybrid ssb ofdmdigital filter multiple access pons osa. Publication topics ofdm modulation,intensity modulation,passive optical networks,optical modulation,optical fibre dispersion,semiconductor optical amplifiers,nonlinear optics,optical communication equipment,optical information processing,optical transceivers,fourier transform optics,aberrations,adaptive modulation,chirp modulation,digital filters,fast fourier transforms,field programmable gate. Very similar to the above in the onus, the complex ssb ofdm signal generation process illustrated in fig. Cacna1h downregulation induces skeletal muscle atrophy involving endoplasmic reticulum stress activation and autophagy flux blockade.
Rsoa intensity modulator frequency chirpenhanced optical ofdm pon performance b. Mpro full text journal articles by author jianming. The previously reported hybrid orthogonal frequency division multiplexingdigital filter multiple access ofdm dfma pons offer promising solutions for seamlessly converging optical and mobile networks for 5g. Rsoa intensity modulator frequency chirpenhanced optical. The ideal radio waveform for an upcoming 5th generation 5g radio access technology should cope with a set of requirements such as limited complexity, good timefrequency localization and simple extension to multiantenna technologies. Osa adaptabilityenabled recordhigh and robust capacity. Simplified adaptively modulated optical ofdm modems using. This last feature is the fundamental aspect of ofdma. Ieee transactions on signal processing, 59 1 2011, pp. Rp giddings, xq jin, e huguessalas, e giacoumidis, jl wei, jm tang. Tang2 1key laboratory of specialty fiber optics and optical access networks, shanghai university, shanghai 200072, china 2school of electronic engineering, bangor university, bangor ll57 1ut, u. Yiquan is a realitybased chinese martial art, a thinking mans practical martial art predicated on a scientific training and conditioning system involving mindbody synthesis that requires continual diligent development.
Subcarrier indexpower modulated optical ofdm sipmoofdm. Tang, o ptical ofdm synchronization with symbol timing offset and sampl ing clock offset com pensation in real ti me imdd systems, ieee photonics journal, vol. Realtime demonstration of 128qamencoded optical ofdm. The ofdm signal is the superposition of low rate streams modulated at different frequencies, resulting in its timedomain dynamic range increasing with the number of.
Hybrid ofdm digital filter multiple access pons dong, yixian. Hybrid ofdmdigital filter multiple access pons ieee journals. It has been successfully used for hf radio applications and has been chosen as the standard for digital audio broadcasting and digital terrestrial tv broadcasting in europe and. Transmission performance of adaptively modulated optical ofdm modems using subcarrier modulation over smf imdd links for access and metropolitan area networks. Jian tang, meng qu, mingzhe wang, ming zhang, jun yan and qiaozhu mei. Simplified adaptively modulated optical ofdm modems using subcarrier modulation with added inputoutput reconfigurability j. Experimental results show that strongly saturated rsoas can intensitymodulate adaptive bit and powerloaded radio frequency rf ofdm signals having bandwidths approximately eight times higher. Subcarrier indexpower modulatedoptical ofdm with dual. Kun qiu for introducing me into the field of optical. Tang, jianming journal of lightwave technology published. Subcarrier indexpower modulated optical ofdm sipmoofdm for imdd pon systems by fadi nabih al halabi, lin chen, simon parre, sylvain barthomeuf, r. With bai shao and ai ye, for excessive menstrual bleeding fol. Jianming tang from bangor university, for his guidance, advice, patience and support during my research. The timing offset to, integer frequency offset fo and the fractional fo can be realized by only one training symbol, which consists of two linear frequency modulation lfm.
Multiple vaginal delivery mvd is an important factor for pelvic floor muscle pfm function decline and pelvic floor dysfunction pfd. Hybrid ofdmdigital filter multiple access pons ieee xplore. Warms the uterus, calms the fetus, stops bleeding, disperses cold, stops pain and regulates qi and blood. Professor of electronic engineering, bangor university. Bandwidth efficient frame structures for flip ofdm with phase. Dspenabled reconfigurable optical network devices and. The three adaptive loading techniques typically used include bitloading bl, powerloading pl and bitpowerloading bpl as discussed for example in tang et al. Pdf realtime optical orthogonal frequencydivision multiplexing oofdm transceivers based on offtheshelf components including fpgas are. Two electrodebased soa intensity modulators for adaptively modulated optical ofdm signals by mohamad hamze, ali hamie, moukdad a. The law and policy of people analytics by matthew t.
Updated understanding of the outbreak of 2019 novel. Hybrid ssb ofdmdigital filter multiple access pons. Jianming tangs research works bangor university, bangor. Jianming tang professor of electronic engineering, bangor university verified email at bangor. Study of the potentialities of multicarrier modulation. His wide knowledge, attention to detail, and logic way of.
This paper discusses the suitability of orthogonal frequency division multiplexing ofdm and its recently proposed enhancements as 5g waveforms, mainly. Hybrid ofdmdigital filter multiple access pons dong. A joint timing and frequency synchronization method has been proposed for coherent optical orthogonal frequencydivision multiplexing co ofdm system in this paper. Therefore ofdm is an advanced modulation technique which is suitable for highspeed data transmission due to its advantages in dealing with the multipath. Financialization of commodities ke tang and wei xiong the authors found that, concurrent with the rapidly growing index investment in commodity markets since the early 2000s, prices of nonenergy commodity futures in the united states have become increasingly cor.
Suting li, menglei hao, bingshu li, mao chen, jue chen, jianming tang, shasha hong, jie min, ming hu, li hong. Hybrid ssb ofdm digital filter multiple access pons. These reprints are ideal additions to your portfolio. Simplified adaptively modulated optical ofdm modems using subcarrier modulation with added inputoutput reconfigurability xing zheng, jinlong wei, roger philip giddings, jianming tang school of electronic engineering, bangor university, bangor, ll57 1ut, uk. Ofdm introduction ee225c introduction to ofdm lbasic idea using a large number of parallel narrowband subcarriers instead of a single wideband carrier to transport information ladvantages very easy and efficient in dealing with multipath robust again narrowband interference ldisadvantages sensitive to frequency offset and phase. Mimowimax system incorporated with diverse transformation. Mingliang deng also deserves a big thanks for his technical assist. A novel joint timingfrequency synchronization scheme based. Giddings, christelle aupetitberthelemot and jianming tang.
The articles are printed in on premium paper with highresolution figures. Yun chiu, dejan markovic, haiyun tang, ning zhang ee225c final project report, 12 december 2000. Our covers are customized to your article and designed to be complimentary to the journal. Experimental demonstration of realtime optical ofdm transmission at 7. Dspbased 40 gbs lane rate nextgeneration access networks by jinlong wei 1,2, ji zhou 3, elias giacoumidis 4, paul a. Highspeed transmission of adaptively modulated optical ofdm signals over multimode fibers using directly modulated dfbs.
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