Dr. Hao Xu
Dr. Hao Xu
Qualcomm R&D
Verified email at
Cited by
Cited by
Spatial and temporal characteristics of 60-GHz indoor channels
H Xu, V Kukshya, TS Rappaport
IEEE Journal on selected areas in communications 20 (3), 620-630, 2002
Measurements and models for radio path loss and penetration loss in and around homes and trees at 5.85 GHz
G Durgin, TS Rappaport, H Xu
IEEE Transactions on communications 46 (11), 1484-1496, 1998
Methods and apparatus for power allocation and/or rate selection for UL MIMO/SIMO operations with PAR considerations
DP Malladi, H Xu
US Patent 8,655,396, 2014
A wideband spatial channel model for system-wide simulations
G Calcev, D Chizhik, B Goransson, S Howard, H Huang, A Kogiantis, ...
IEEE Transactions on Vehicular Technology 56 (2), 389-403, 2007
An overview of 3GPP enhancements on machine to machine communications
A Rico-Alvarino, M Vajapeyam, H Xu, X Wang, Y Blankenship, J Bergman, ...
IEEE Communications Magazine 54 (6), 14-21, 2016
Feedback and rate adaptation for MIMO transmission in a time division duplexed (TDD) communication system
H Xu, DP Malladi
US Patent 8,798,183, 2014
Measurements and models for 38-GHz point-to-multipoint radiowave propagation
H Xu, TS Rappaport, RJ Boyle, JH Schaffner
IEEE journal on selected areas in communications 18 (3), 310-321, 2000
Support of multiple timing advance groups for user equipment in carrier aggregation in LTE
W Chen, P Gaal, M Kitazoe, JM Damnjanovic, J Montojo, H Xu
US Patent 9,204,411, 2015
Joint use of multi-carrier and single-carrier multiplexing schemes for wireless communication
H Xu, DP Malladi
US Patent 8,705,441, 2014
Physical layer issues related to multi-TA group support
W Chen, JM Damnjanovic, P Gaal, H Xu, T Luo
US Patent 9,001,780, 2015
Unified design and centralized scheduling for dynamic SIMO, SU-MIMO and MU-MIMO operation for RL transmissions
H Xu, DP Malladi
US Patent 8,553,795, 2013
Narrow band partitioning and efficient resource allocation for low cost user equipments
W Chen, H Xu, P Gaal
US Patent 9,622,230, 2017
Method and apparatus for enabling channel and interference estimations in macro/RRH system
S Geirhofer, W Chen, T Luo, P Gaal, H Xu
US Patent 8,995,400, 2015
Discovery reference signal design for coordinated multipoint operations in heterogeneous networks
H Xu, X Luo, P Gaal, JI Tingfang, K Bhattad
US Patent 9,635,624, 2017
Random access channel design for narrow bandwidth operation in a wide bandwidth system
H Xu, J Montojo, P Gaal, W Chen, JM Damnjanovic
US Patent 9,232,540, 2016
A generalized space-time multiple-input multiple-output (MIMO) channel model
H Xu, D Chizhik, H Huang, R Valenzuela
IEEE Transactions on Wireless Communications 3 (3), 966-975, 2004
Multiplexing and power control of uplink control channels in a wireless communication system
H Xu, DP Malladi, R Wang
US Patent 8,750,917, 2014
Power control and user multiplexing for heterogeneous network coordinated multipoint operations
H Xu, X Luo, X Zhang, P Gaal, JI Tingfang, J Montojo
US Patent 10,187,859, 2019
Coordinated silent period with sounding reference signal (SRS) configuration
R Wang, DP Malladi, H Xu, N Bhushan, Y Wei
US Patent 8,929,230, 2015
Narrow bandwidth operation in LTE
J Montojo, JM Damnjanovic, H Xu, W Chen, P Gaal
US Patent 9,241,287, 2016
The system can't perform the operation now. Try again later.
Articles 1–20