4 citations · 15 across the 10 of their papers we have counts for
10 papers
Enabling NLoS LEO Satellite Communications with Reconfigurable Intelligent Surfaces
Xiaowen Tian, Nuria Gonzalez-Prelcic, Takayuki Shimizu
Low Earth Orbit (LEO) satellite communications (SatCom) are considered a promising solution to provide uninterrupted services in cellular networks. Line-of-sight (LoS) links betwee…
Optimizing the Deployment of Reconfigurable Intelligent Surfaces in MmWave Vehicular Systems
Xiaowen Tian, Nuria Gonzalez-Prelcic, Robert W. Heath
Millimeter wave (MmWave) systems are vulnerable to blockages, which cause signal drop and link outage. One solution is to deploy reconfigurable intelligent surfaces (RISs) to add a…
Fast Beam Tracking for Reconfigurable Intelligent Surface Assisted Mobile mmWave Networks
Xiaowen Tian, Zhi Sun
Millimeter wave (mmWave) communications are vulnerable to blockages and node mobility due to the highly directional signal beams. The emerging Reconfigurable Intelligent Surfaces (…
Hybrid Procoder and Combiner Design for Secure Transmission in mmWave MIMO Systems
Xiaowen Tian, Ming Li, Zihuan Wang +1
Millimeter wave (mmWave) communications have been considered as a key technology for future 5G wireless networks. In order to overcome the severe propagation loss of mmWave channel…
Transmit Filter and Artificial Noise Design for Secure MIMO-OFDM Systems
Wenfei Liu, Ming Li, Xiaowen Tian +2
Physical layer security has been considered as an important security approach in wireless communications to protect legitimate transmission from passive eavesdroppers. This paper i…
Iterative Hybrid Precoder and Combiner Design for mmWave MIMO-OFDM Systems
Wenfei Liu, Ming Li, Xiaowen Tian +2
This paper investigates the problem of hybrid precoder and combiner design for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems opera…
Hybrid Precoder and Combiner Design with One-Bit Quantized Phase Shifters in mmWave MIMO Systems
Zihuan Wang, Ming Li, Xiaowen Tian +1
Analog/digital hybrid precoder and combiner have been widely used in millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems due to its energy-efficient and economic…
Joint Hybrid Precoder and Combiner Design for mmWave Spatial Multiplexing Transmission
Zihuan Wang, Ming Li, Xiaowen Tian +1
Millimeter-wave (mmWave) communications have been considered as a key technology for future 5G wireless networks because of the orders-of-magnitude wider bandwidth than current cel…
Random-Training-Assisted Pilot Spoofing Detection and Secure Transmission
Xiaowen Tian, Ming Li, Qian Liu
The pilot spoofing attack is considered as an active eavesdropping activity launched by an adversary during the reverse channel training phase. By transmitting the same pilot signa…
Fast Detection of Orthogonal Space-Time Block Codes with Unknown Channel
Xiaowen Tian, Ming Li, Guangyu Ti +1
This letter investigates the problem of blind detection of orthogonal space-time block codes (OSTBC) over a quasi-static flat multiple-input multiple-output (MIMO) Rayleigh fading…