FBMC/OQAM transmission system has a better spectral efficiency than OFDM.However,its orthogonality condition is only considered in the real field.In the presence of fading channels,the real orthogonality of FBMC/OQAM ...FBMC/OQAM transmission system has a better spectral efficiency than OFDM.However,its orthogonality condition is only considered in the real field.In the presence of fading channels,the real orthogonality of FBMC/OQAM might be lost,which calls for new equalization schemes.In this paper,an improved equalizer with real interference prediction(ERIP)scheme of FBMC/OQAM is proposed.We analyze the correlation between the real and the neighboring imaginary interference components taking Doppler shifts into account,and derive the improved ERIP scheme.The simulation results show that the proposed scheme can outperform the original ERIP and the one-tap equalization in time-varying multipath scenarios with an affordable complexity.展开更多
Jose Garcia Villa’s "comma poem,"in which he introduces“a new,special and poetic use”for the comma,is arguably the poet's most contentious innovation.Starting from an appropriation of Leonard Caspar’...Jose Garcia Villa’s "comma poem,"in which he introduces“a new,special and poetic use”for the comma,is arguably the poet's most contentious innovation.Starting from an appropriation of Leonard Caspar’s description of the comma poems as "demonstrably malfunctional as a dragging foot,"this essay argues that the comma poem was a visual performance whereby Villa dis-oriented and de-naturalized poetic“flows”through a quccr/crip aesthetic of hesitation and brokenness.Read as footsteps and/or footnotes,the comma’s minor mark interrupts and dis-ablcs normative flow,forcing the reader to adopt a nonnormative“gait.”Utilizing Sara Ahmed’s phenomenological theory of "queer orientation,"I examine how the comma poems’specific incongruity extends beyond modem grammars:anticipating readings of his“foreignness”and"insensitivity"to the English language.Villa performs the essentiality of the“minor mark”through linguistic experimentation.In doing so,he queers not only the“direction”of modem poetry and its canonicity,but also a contemporary politics of recuperation.展开更多
基金This paper is supported in part by NSFC China(61771309,61671301)Shanghai Commission of Science and Technology Funding(SCST 15DZ2270400)+1 种基金Shanghai Key Laboratory Funding(STCSM 18DZ1200102)Medical Engineering Cross Research Foundation of Shanghai Jiao Tong University(YG2017QN47).
文摘FBMC/OQAM transmission system has a better spectral efficiency than OFDM.However,its orthogonality condition is only considered in the real field.In the presence of fading channels,the real orthogonality of FBMC/OQAM might be lost,which calls for new equalization schemes.In this paper,an improved equalizer with real interference prediction(ERIP)scheme of FBMC/OQAM is proposed.We analyze the correlation between the real and the neighboring imaginary interference components taking Doppler shifts into account,and derive the improved ERIP scheme.The simulation results show that the proposed scheme can outperform the original ERIP and the one-tap equalization in time-varying multipath scenarios with an affordable complexity.
文摘Jose Garcia Villa’s "comma poem,"in which he introduces“a new,special and poetic use”for the comma,is arguably the poet's most contentious innovation.Starting from an appropriation of Leonard Caspar’s description of the comma poems as "demonstrably malfunctional as a dragging foot,"this essay argues that the comma poem was a visual performance whereby Villa dis-oriented and de-naturalized poetic“flows”through a quccr/crip aesthetic of hesitation and brokenness.Read as footsteps and/or footnotes,the comma’s minor mark interrupts and dis-ablcs normative flow,forcing the reader to adopt a nonnormative“gait.”Utilizing Sara Ahmed’s phenomenological theory of "queer orientation,"I examine how the comma poems’specific incongruity extends beyond modem grammars:anticipating readings of his“foreignness”and"insensitivity"to the English language.Villa performs the essentiality of the“minor mark”through linguistic experimentation.In doing so,he queers not only the“direction”of modem poetry and its canonicity,but also a contemporary politics of recuperation.