Issued Patents All Time
Showing 1–25 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12231265 | Methods and apparatus for channel estimation and precoding with incomplete channel observation and channel state information feedback | Xiao-Feng Qi | 2025-02-18 |
| 12218780 | Methods and apparatus for multi-domain conversions of high dimensional channel statistics | Xiao-Feng Qi | 2025-02-04 |
| 10594372 | Codebook construction | Narayan Prasad, Mohammad Khojastepour, Sampath Rangarajan | 2020-03-17 |
| 10404342 | Multiuser MIMO for large antenna systems with hybrid beamforming | Bohan Zhang, Xiao-Feng Qi | 2019-09-03 |
| 10320061 | High dimensional (HiDi) radio environment characterization and representation | Xiao-Feng Qi | 2019-06-11 |
| 10270625 | Hardware virtualization for mean and variance estimations of QAM symbols | Xiao-Feng Qi | 2019-04-23 |
| 10250310 | Codebook construction | Narayan Prasad, Mohammad Khojastepour, Sampath Rangarajan | 2019-04-02 |
| 10148329 | Adaptively grouped user equipment multicasting and beamforming | Xiao-Feng Qi | 2018-12-04 |
| 10079629 | Apparatus and method for pre-coding data based on channel statistics | Weng Chon Ao, Xiao-Feng Qi | 2018-09-18 |
| 10045352 | Channel estimation in large scale MIMO systems using iterative location based spatial filtering | Xiao-Feng Qi | 2018-08-07 |
| 10020922 | High dimensional (HiDi) radio environment characterization and representation | Xiao-Feng Qi | 2018-07-10 |
| 10020859 | Channel feedback for vertical and full-dimensional beamforming | Narayan Prasad, Sampath Rangarajan | 2018-07-10 |
| 9917723 | Efficient methods and recursive/scalable circuit architectures for QAM symbol mean and variance estimations | Xiao-Feng Qi | 2018-03-13 |
| 9894528 | Methods and systems for almost blank subframe (ABS) pattern selection for small cells | Fu-Hsuan Chiu | 2018-02-13 |
| 9867142 | Transmit power management design and implementation | Fu-Hsuan Chiu | 2018-01-09 |
| 9847818 | Channel state information (CSI) feedback and subsampling | Narayan Prasad, Sampath Rangarajan | 2017-12-19 |
| 9788323 | Frequency coordination for downlink transmissions | Fu-Hsuan Chiu | 2017-10-10 |
| 9768928 | High dimensional (HiDi) radio environment characterization and representation | Xiao-Feng Qi | 2017-09-19 |
| 9755716 | Codebook construction | Narayan Prasad, Mohammad Khojastepour, Sampath Rangarajan | 2017-09-05 |
| 9713016 | Dense small cell deployment | Xiaoxin Qiu, Sungeun Lee, Hongwei Kong | 2017-07-18 |
| 9532257 | Enhancement of download multi-user multiple-input multiple-output wireless communications | Narayan Prasad, Meilong Jiang, Mohammad Khojastepour, Sampath Rangarajan | 2016-12-27 |
| 9450655 | Two-stage precoding and user grouping for large scale multiple-input multiple-output (MIMO) systems | Narayan Prasad, Sampath Rangarajan, Yi Zhen Xu | 2016-09-20 |
| 9450657 | Low-complexity precoder design for large-scale MIMO communication systems | Narayan Prasad, Sampath Rangarajan, Samet Oymak | 2016-09-20 |
| 9385899 | Codebook construction | Narayan Prasad, Mohammad Khojastepour, Sampath Rangarajan | 2016-07-05 |
| 9337906 | Feedback and scheduling for coordinated multi-point (CoMP) joint transmission (JT) in orthogonal frequency division multiple access (OFDMA) | Narayan Prasad, Sampath Rangarajan, Meilong Jiang | 2016-05-10 |