Jianming tangs research works bangor university, bangor. Osa hybrid ssb ofdmdigital filter multiple access pons. Professor of electronic engineering, bangor university. With bai shao and ai ye, for excessive menstrual bleeding fol. Mingliang deng also deserves a big thanks for his technical assist. This paper discusses the suitability of orthogonal frequency division multiplexing ofdm and its recently proposed enhancements as 5g waveforms, mainly. Cacna1h downregulation induces skeletal muscle atrophy involving endoplasmic reticulum stress activation and autophagy flux blockade. Ofdm introduction ee225c introduction to ofdm lbasic idea. Hybrid ofdmdigital filter multiple access pons ieee journals. Hybrid ssb ofdm digital filter multiple access pons. Yun chiu, dejan markovic, haiyun tang, ning zhang ee225c final project report, 12 december 2000. Today and in the future of next generation wireless communications conference paper pdf available september 2016 with 2,774 reads how we measure reads.
The law and policy of people analytics by matthew t. Xing zheng, jinlong wei, roger philip giddings, jianming tang. Jiao ai tang ass hide gelatin and mugwort decoction. 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 for imdd pon systems by fadi nabih al halabi, lin chen, simon parre, sylvain barthomeuf, r. Mimowimax system incorporated with diverse transformation. Orthogonal frequency division multiplexing ofdm is a widely used modulation and multiplexing technology, which has become the basis of many telecommunications fields.
Tang, jianming journal of lightwave technology published. An overview of ofdm variants and their applications. Giddings, christelle aupetitberthelemot and jianming 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. Suting li, menglei hao, bingshu li, mao chen, jue chen, jianming tang, shasha hong, jie min, ming hu, li hong. Hybrid ofdm digital filter multiple access pons dong, yixian. 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. An overview of ofdm variants and their applications nilesh chide, shreyas deshmukh, prof.
Warms the uterus, calms the fetus, stops bleeding, disperses cold, stops pain and regulates qi and blood. Jianlin tang, md is a general surgery specialist in toledo, oh and has been practicing for 12 years. Two electrodebased soa intensity modulators for adaptively modulated optical ofdm signals by mohamad hamze, ali hamie, moukdad a. Updated understanding of the outbreak of 2019 novel. Correspondence jianming tang, phd, department of radiation oncology, zhejiang provincial peoples hospital, hangzhou medical college, hangzhou, 310014 zhejiang province, china. Jianming tang who offered constructive and detailed insights and comments on various different aspects of my dissertation research. These reprints are ideal additions to your portfolio. Simplified adaptively modulated optical ofdm modems using subcarrier modulation with added inputoutput reconfigurability j. Pdf realtime optical orthogonal frequencydivision multiplexing oofdm transceivers based on offtheshelf components including fpgas are. 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. On the potential of ofdm enhancements as 5g waveforms. Rsoa intensity modulator frequency chirpenhanced optical.
Hybrid ssb ofdmdigital filter multiple access pons osa. 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. Kun qiu for introducing me into the field of optical. The articles are printed in on premium paper with highresolution figures. Subcarrier indexpower modulated optical ofdm sipmoofdm. Combining orthogonal frequency division multiplexing ofdm with mimo enables a relative easy implementation of wireless mimo systems 56. 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. The three adaptive loading techniques typically used include bitloading bl, powerloading pl and bitpowerloading bpl as discussed for example in tang et al. Dspbased 40 gbs lane rate nextgeneration access networks. 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. Our covers are customized to your article and designed to be complimentary to the journal.
Pdf realtime demonstration of 128qamencoded optical ofdm. Very similar to the above in the onus, the complex ssb ofdm signal generation process illustrated in fig. Ieee transactions on signal processing, 59 1 2011, pp. Multiple vaginal delivery mvd is an important factor for pelvic floor muscle pfm function decline and pelvic floor dysfunction pfd. Rsoa intensity modulator frequency chirpenhanced optical ofdm pon performance b. Orthogonal frequency division multiplexing ofdm has been shown to be an effective technique to combat multipath fading in wireless communications. A joint timing and frequency synchronization method has been proposed for coherent optical orthogonal frequencydivision multiplexing co ofdm system in this paper.
Realtime demonstration of 128qamencoded optical ofdm. 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. 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. His wide knowledge, attention to detail, and logic way of. Experimental demonstration of realtime optical ofdm transmission at 7. Simplified adaptively modulated optical ofdm modems using. Bandwidth efficient frame structures for flip ofdm with phase. Us20272698a1 adaptive bit or power loading in optical. After the ifft, a 25% cyclic prefix is added to each ofdm symbol before the digital ofdm signal is converted to an analogue.
Ofdm signal from various optical network units onus, and a single. Transmission performance of adaptively modulated optical ofdm modems using subcarrier modulation over smf imdd links for access and metropolitan area networks. Hybrid ofdmdigital filter multiple access pons dong. Jianming tang s 31 research works with 99 citations and 1,010 reads, including. Dspenabled reconfigurable optical network devices and. Index investment and the financialization of commodities. 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. Hybrid orthogonal frequency division multiplexing ofdm digital filter multiple access dfma passive optical networks pons are, for the. Improved optical orthogonal frequencydivision multiplexing performance using nonlinear signal compression in intensity modulation and direct detection transmission systems incorporating parameterrelaxed digitaltoanalogue convertersanaloguetodigital converters. This last feature is the fundamental aspect of ofdma. Mpro full text journal articles by author jianming. A novel joint timingfrequency synchronization scheme based. This cited by count includes citations to the following articles in scholar.
Shore, highspeed transmission of adaptively modulated optical ofdm signals over multimode fibres using directly modulated dfbs, j. Chongqing, china 811 october 2018 ieee catalog number. Hybrid ofdmdigital filter multiple access pons ieee xplore. Highspeed transmission of adaptively modulated optical ofdm signals over multimode fibers using directly modulated dfbs. Osa adaptabilityenabled recordhigh and robust capacity. 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. Prof jianming tang school of computer science and electronic. Jianming tang from bangor university, for his guidance, advice, patience and support during my research. Jian tang, meng qu, mingzhe wang, ming zhang, jun yan and qiaozhu mei. Cfp18411pod 9781538676363 2018 ieee 18th international conference on communication. Hybrid ofdmdigital filter multiple access pons dong, yixian. Adaptive optical ofdm for local and access networks. Jianming tang professor of electronic engineering, bangor university verified email at bangor.
Design and analysis of adaptively modulated optical. 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. Tang s ongoing research focuses on genetic and epigenetic contributions to infection and immunity in human populations. Yixian dong, roger philip giddings, member, ieee, and jianming tang, member, ieee. 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. Experimental results show that strongly saturated rsoas can intensitymodulate adaptive bit and powerloaded radio frequency rf ofdm signals having bandwidths approximately eight times higher. Pdf the feasibility of implementing 128qam in offtheshelf componentbased realtime optical ofdm oofdm transceivers incorporating advanced. Suppression of doppler dispersion in the target detection with multi. 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. 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. Study of the potentialities of multicarrier modulation. Subcarrier indexpower modulatedoptical ofdm with dual. However, the hybrid ofdm dfma pons based on intensitymodulation and directdetection imdd convey double sideband dsb signals at different subwavelengths, this halves the spectral. 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.
Wei jin, abdulai sankoh, yixian dong, zhuqiang zhong, roger philip giddings, maurice osullivan, jeffrey lee, tim durrant, and jianming tang. Hybrid ssb ofdmdigital filter multiple access pons. Rp giddings, xq jin, e huguessalas, e giacoumidis, jl wei, jm tang. Abdulai sankoh, yixian dong, zhuqiang zhong, roger philip giddings, maurice osullivan, jeffrey lee, tim durrant, and jianming tang. Therefore ofdm is an advanced modulation technique which is suitable for highspeed data transmission due to its advantages in dealing with the multipath. Dspbased 40 gbs lane rate nextgeneration access networks by jinlong wei 1,2, ji zhou 3, elias giacoumidis 4, paul a. S sen, a nehoraiadaptive ofdm radar for target detection in multipath scenarios. 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.