User profiles for Sridhar Rajagopal
 | Sridhar RajagopalVP, Mavenir Systems Verified email at mavenir.com Cited by 10619 |
Spatially sparse precoding in millimeter wave MIMO systems
Millimeter wave (mmWave) signals experience orders-of-magnitude more pathloss than the
microwave signals currently used in most wireless applications and all cellular systems. …
microwave signals currently used in most wireless applications and all cellular systems. …
IEEE 802.15. 7 visible light communication: modulation schemes and dimming support
S Rajagopal, RD Roberts… - IEEE Communications …, 2012 - ieeexplore.ieee.org
Visible light communication refers to shortrange optical wireless communication using visible
light spectrum from 380 to 780 nm. Enabled by recent advances in LED technology, IEEE …
light spectrum from 380 to 780 nm. Enabled by recent advances in LED technology, IEEE …
Low complexity precoding for large millimeter wave MIMO systems
Millimeter wave (mmWave) systems must overcome heavy signal attenuation to support high-throughput
wireless communication links. The small wavelength in mmWave systems …
wireless communication links. The small wavelength in mmWave systems …
The capacity optimality of beam steering in large millimeter wave MIMO systems
Millimeter wave (mmWave) systems must overcome the heavy attenuation at high frequency
to support high-throughput wireless communication. The small wavelength in mmWave …
to support high-throughput wireless communication. The small wavelength in mmWave …
Channel feasibility for outdoor non-line-of-sight mmwave mobile communication
S Rajagopal, S Abu-Surra… - 2012 IEEE vehicular …, 2012 - ieeexplore.ieee.org
Due to the scarcity of spectrum below 3 GHz for wireless communications, there have been
proposals to explore millimeter wave (mmWave) spectrum (3- 300 GHz) for commercial …
proposals to explore millimeter wave (mmWave) spectrum (3- 300 GHz) for commercial …
Antenna array design for multi-gbps mmwave mobile broadband communication
Almost all cellular mobile communications including first generation analog systems,
second generation digital systems, third generation WCDMA, and fourth generation OFDMA …
second generation digital systems, third generation WCDMA, and fourth generation OFDMA …
Millimeter-wave mobile broadband with large scale spatial processing for 5G mobile communication
The phenomenal growth in mobile data traffic calls for a drastic increase in mobile network
capacity beyond current 3G/4G networks. In this paper, we propose a millimeter wave mobile …
capacity beyond current 3G/4G networks. In this paper, we propose a millimeter wave mobile …
Multimode precoding in millimeter wave MIMO transmitters with multiple antenna sub-arrays
Millimeter wave (mmWave) systems must use beamforming to overcome the heavy attenuation
at mmWave frequencies and establish high-quality communication links with reasonably …
at mmWave frequencies and establish high-quality communication links with reasonably …
Beam broadening for phased antenna arrays using multi-beam subarrays
S Rajagopal - 2012 IEEE International Conference on …, 2012 - ieeexplore.ieee.org
Consideration of mmWave frequencies with large phased antenna arrays has become
increasingly important for providing multi-Gb/s wireless data communication. However, large …
increasingly important for providing multi-Gb/s wireless data communication. However, large …
IEEE 802.15. 7 physical layer summary
RD Roberts, S Rajagopal… - 2011 IEEE GLOBECOM …, 2011 - ieeexplore.ieee.org
This paper summarizes the PHY layer of the IEEE 802.15.7 Standard for Short-Range Wireless
Optical Communication using Visible Light, and highlights issues that drove the technical …
Optical Communication using Visible Light, and highlights issues that drove the technical …