Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Rakesh Sambaraju"'
Autor:
Wen-Jr Jiang, Chun-Hung Ho, Sien Chi, Anthony Ng'oma, Chia-Chien Wei, Chun-Ting Lin, Tsung-Hung Lu, Hejie Yang, Chih-Yun Wang, Rakesh Sambaraju, Wei-Yuan Lee
Publikováno v:
IEEE Journal on Selected Areas in Communications. 31:780-787
Multiple-input-multiple-output (MIMO) technique for wireless communications is extensively used these days, especially to increase the spectral efficiency of new wireless communication systems like LTE, WiMAX, etc. MIMO in combination with robust mod
Publikováno v:
Chinese Optics Letters
The provision of quintuple-play services along wavelength division multiplexed (WDM) long-reach passive optical networks (LR-PONs) employing an ultra-bendable fiber in last-mile distribution is demonstrated experimentally. Particularly, the simultane
Publikováno v:
Journal of Lightwave Technology. 30:147-155
The performance of wireless signal generation and detection at millimeter-wave frequencies using baseband optical means is analyzed and experimentally demonstrated. Multigigabit wireless signal generation is achieved based on all-optical orthogonal f
Publikováno v:
Journal of Lightwave Technology. 25:3350-3357
In this paper, two photonic vector modulator (PVM) architectures are presented, and their use in generating multi-gigabit-per-second M-ary quadrature amplitude modulation/M-ary phase shift keying modulated RF carriers in the millimeter-wave frequency
Autor:
Adrian Amezcua-Correa, Rakesh Sambaraju, Marianne Bigot, Paul Vanderlaan, Frank Achten, Michael Good, Matt Schumacher, Denis Molin, Pierre Sillard, Scott Steinhauer
Publikováno v:
2015 International Conference on Photonics in Switching (PS).
We verify the performance of a bi-directional multi-wavelength 40GbE transceiver over OM4 and wideband multimode fibre; and demonstrate record transmission of 300 m over wideband MMF. This is a 150 m length increment over the standard OM4.
Autor:
Chigo Okonkwo, Y Yan Shi, A.M.J. Koonen, Jaherllo Herrera Llorente, Eduward Tangdiongga, Ruben Alemany, Rakesh Sambaraju, Hejie Yang
Publikováno v:
IEEE Photonics Technology Letters, 23(14), 995-997. Institute of Electrical and Electronics Engineers
We present the first experimental demonstration of full-duplex, bidirectional transmission of WiMedia-compliant ultra-wideband (UWB) signals at 200 Mb/s over 100-m perfluorinated graded-index plastic optical fiber (POF) with 50-µm core diameter. Err
Autor:
Adolfo V. T. Cartaxo, Jose Correcher, Claudio Rodrigues, Rakesh Sambaraju, Terence Quinlan, Maria Morant, Tiago M. F. Alves, Radoslaw Piesiewicz, Eloy Pellicer, Axel Schmidt, Zsolt Nagy, Pierre Cluzeaud, Milan Herman, Javier Herrera, Stuart D. Walker, Roberto Llorente
Publikováno v:
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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[EN] In this paper the on-the-field performance of a WDM-PON optical access providing quintuple-play services using orthogonal frequency division multiplexing (OFDM) modulation is evaluated in a real fiber-to-the-home (FTTH) network deployed by Tower
Autor:
Roberto Llorente, Claudio Rodrigues, Jose Correcher, Eloy Rico, Stuart D. Walker, Radoslaw Piesiewicz, Javier Herrera, Milan Herman, Tiago M. F. Alves, Maria Morant, Pierre Cluzeaud, Axel Schmidt, Terence Quinlan, Eloy Pellicer, Adolfo V. T. Cartaxo, Zsolt Nagy, Rakesh Sambaraju
Publikováno v:
ICC Workshops
This paper proposes the provision of quintuple-play services (high-speed wired data, voice, high-definition audio and video, wireless data and security and domotic applications) employing only orthogonal frequency division multiplexing (OFDM)-based r
Autor:
Roberto Llorente, Milan Herman, Terence Quinlan, Eloy Pellicer, Pierre Cluzeaud, Stuart D. Walker, Zsolt Nagy, Claudio Rodrigues, Maria Morant, Tiago M. F. Alves, Axel Schmidt, Adolfo V. T. Cartaxo, Radoslaw Piesiewicz, Javier Herrera, Jose Correcher, Rakesh Sambaraju
Publikováno v:
39th European Conference and Exhibition on Optical Communication (ECOC 2013).
A multi-user 4-wavelength OFDM WDM-PON providing quintuple-play services is demonstrated on-the-field in a long-reach FTTH network in Bratislava (Towercom, Slovakia) achieving 60.8 km. An OFDM signal bundle is transmitted in coexistence (LTE, WiMAX,
Autor:
Rakesh Sambaraju, Wei-Yuan Lee, Wen-Jr Jiang, Tsung-Hung Lu, Chun-Ting Lin, Hejie Yang, Anthony Ng'oma, Chia-Chien Wei, Chun-Hung Ho, Chih-Yun Wang, Sien Chi
Publikováno v:
Optical Fiber Communication Conference.
Record 50-Gb/s wireless signal transmission over 4 m is experimentally demonstrated using a 2×2 MIMO Radio-over-Fiber system at 60 GHz. MIMO spatial multiplexing and 16-QAM OFDM modulation were used to achieve a high combined spectral efficiency of