95 citations · 272 across the 16 of their papers we have counts for
17 papers
Multi-Mode Spatial Signal Processor with Rainbow-like Fast Beam Training and Wideband Communications using True-Time-Delay Arrays
Chung-Ching Lin, Chase Puglisi, Veljko Boljanovic +7
Initial access in millimeter-wave (mmW) wireless is critical toward successful realization of the fifth-generation (5G) wireless networks and beyond. Limited bandwidth in existing…
Wideband Beamforming with Rainbow Beam Training using Reconfigurable True-Time-Delay Arrays for Millimeter-Wave Wireless
Chung-Ching Lin, Veljko Boljanovic, Han Yan +11
The decadal research in integrated true-time-delay arrays have seen organic growth enabling realization of wideband beamformers for large arrays with wide aperture widths. This art…
Rainbow-link: Beam-Alignment-Free and Grant-Free mmW Multiple Access using True-Time-Delay Array
Ruifu Li, Han Yan, Danijela Cabric
The millimeter-wave (mmW) communications is a key enabling technology in 5G to provide ultra-high throughput. Current mmW technologies rely on analog phased arrays to realize beamf…
A 4-Element 800MHz-BW 29mW True-Time-Delay Spatial Signal Processor Enabling Fast Beam-Training with Data Communications
Chung-Ching Lin, Chase Puglisi, Veljko Boljanovic +6
Spatial signal processors (SSP) for emerging millimeter-wave wireless networks are critically dependent on link discovery. To avoid loss in communication, mobile devices need to lo…
mmRAPID: Machine Learning assisted Noncoherent Compressive Millimeter-Wave Beam Alignment
Han Yan, Benjamin W. Domae, Danijela Cabric
Millimeter-wave communication has the potential to deliver orders of magnitude increases in mobile data rates. A key design challenge is to enable rapid beam alignment with phased…
True-Time-Delay Arrays for Fast Beam Training in Wideband Millimeter-Wave Systems
Veljko Boljanovic, Han Yan, Chung-Ching Lin +4
The best beam steering directions are estimated through beam training, which is one of the most important and challenging tasks in millimeter-wave and sub-terahertz communications.…
Design of Millimeter-Wave Single-Shot Beam Training for True-Time-Delay Array
Veljko Boljanovic, Han Yan, Erfan Ghaderi +3
Beam training is one of the most important and challenging tasks in millimeter-wave and sub-terahertz communications. Novel transceiver architectures and signal processing techniqu…
Wideband Millimeter-Wave Beam Training with True-Time-Delay Array Architecture
Han Yan, Veljko Boljanovic, Danijela Cabric
Millimeter-wave communications rely on beamforming gain from both transmitters and receivers to compensate for severe propagation loss. To achieve adequate gain, beam training is r…
UAV Swarms as Amplify-and-Forward MIMO Relays
Samer Hanna, Enes Krijestorac, Han Yan +1
Unmanned aerial vehicles provide new opportunities for performance improvements in future wireless communications systems. For example, they can act as relays that extend the range…
DSP Linearization for Millimeter-Wave All-Digital Receiver Array with Low-Resolution ADCs
Han Yan, Danijela Cabric
Millimeter-wave (mmWave) communications and cell densification are the key techniques for the future evolution of cellular systems beyond 5G. Although the current mmWave radio desi…
Joint Precoder and Combiner Design for MMSE Distributed Beamforming with Per-Antenna Power Constraints
Riten Gupta, Han Yan, Danijela Cabric
We consider minimum mean square error (MMSE) joint precoder and combiner design for single and multi carrier distributed beamforming systems with nonuniform per-antenna transmit po…
Compressive Initial Access and Beamforming Training for Millimeter-Wave Cellular Systems
Han Yan, Danijela Cabric
Initial access (IA) is a fundamental physical layer procedure in cellular systems where user equipment (UE) detects nearby base station (BS) as well as acquire synchronization. Due…
Tracking Sparse mmWave Channel under Time Varying Multipath Scatterers
Veljko Boljanovic, Han Yan, Danijela Cabric
Due to severe signal attenuation at millimeter-wave (mmWave) frequencies large antenna arrays are required at both base station and user equipment to achieve necessary beamfoming g…
Distributed UAV Placement Optimization for Cooperative Line-of-Sight MIMO Communications
Samer Hanna, Han Yan, Danijela Cabric
Cooperative communication using unmanned aerial vehicles (UAVs) is a promising technology for infrastructureless wireless networks. One of the key challenges in UAV based communica…
Software Defined Radio Implementation of Carrier and Timing Synchronization for Distributed Arrays
Han Yan, Samer Hanna, Kevin Balke +2
The communication range of wireless networks can be greatly improved by using distributed beamforming from a set of independent radio nodes. One of the key challenges in establishi…
Tracking Sparse mmWave Channel: Performance Analysis under Intra-Cluster Angular Spread
Han Yan, Veljko Boljanovic, Danijela Cabric
Millimeter-wave (mmWave) systems require a large number of antennas at both base station and user equipment for a desirable link budget. Due to time varying channel under user mobi…
Performance, Power, and Area Design Trade-offs in Millimeter-Wave Transmitter Beamforming Architectures
Han Yan, Sridhar Ramesh, Timothy Gallagher +2
Millimeter wave (mmW) communications is the key enabler of 5G cellular networks due to vast spectrum availability that could boost peak rate and capacity. Due to increased propagat…