Stefan Geirhofer, Ph.D.
Stefan Geirhofer, Ph.D.
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Network densification: the dominant theme for wireless evolution into 5G
N Bhushan, J Li, D Malladi, R Gilmore, D Brenner, A Damnjanovic, ...
IEEE Communications Magazine 52 (2), 82-89, 2014
15322014
Cognitive radios for dynamic spectrum access-dynamic spectrum access in the time domain: Modeling and exploiting white space
S Geirhofer, L Tong, BM Sadler
IEEE Communications Magazine 45 (5), 66-72, 2007
6572007
Opportunistic spectrum access via periodic channel sensing
Q Zhao, S Geirhofer, L Tong, BM Sadler
IEEE Transactions on Signal Processing 56 (2), 785-796, 2008
4192008
Cognitive medium access: Constraining interference based on experimental models
S Geirhofer, L Tong, BM Sadler
IEEE Journal on Selected Areas in Communications 26 (1), 95-105, 2008
3012008
Downlink mimo in lte-advanced: Su-mimo vs. mu-mimo
L Liu, R Chen, S Geirhofer, K Sayana, Z Shi, Y Zhou
IEEE Communications Magazine 50 (2), 140-147, 2012
2942012
A measurement-based model for dynamic spectrum access in WLAN channels
S Geirhofer, L Tong, BM Sadler
MILCOM 2006-2006 IEEE Military Communications conference, 1-7, 2006
2522006
Dynamic spectrum access in WLAN channels: Empirical model and its stochastic analysis
S Geirhofer, L Tong, BM Sadler
Proceedings of the first international workshop on Technology and policy for …, 2006
2062006
Optimal dynamic spectrum access via periodic channel sensing
Q Zhao, S Geirhofer, L Tong, BM Sadler
2007 IEEE Wireless Communications and Networking Conference, 33-37, 2007
1512007
Coordinated downlink multi-point communications in heterogeneous cellular networks
A Barbieri, P Gaal, S Geirhofer, T Ji, D Malladi, Y Wei, F Xue
2012 Information Theory and Applications Workshop, 7-16, 2012
1322012
Resource coordination for peer-to-peer groups through distributed negotiation
S Geirhofer, N Bhushan, R Palanki, A Damnjanovic, PA Agashe
US Patent 9,614,641, 2017
1172017
Interference coordination for peer-to-peer (P2P) communication and wide area network (WAN) communication
S Geirhofer, N Bhushan, R Palanki, JM Borran, A Damnjanovic
US Patent 10,517,098, 2019
892019
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
882015
Cooperation and operation of macro node and remote radio head deployments in heterogeneous networks
S Geirhofer, JI Tingfang, P Gaal, A Damnjanovic, J Montojo, T Luo, ...
US Patent 9,426,703, 2016
782016
Resource management for enhanced PDCCH
W Chen, P Gaal, T Luo, J Damnjanovic, S Geirhofer
US Patent 9,113,463, 2015
782015
Adaptive resource negotiation between base stations for enhanced interference coordination
O Song, A Damnjanovic, JI Tingfang, PA Agashe, JM Borran, ...
US Patent App. 13/084,763, 2011
752011
Multi-point equalization framework for coordinated multi-point transmission
AY Gorokhov, VS Annapureddy, A Barbieri, S Mallik, S Geirhofer
US Patent 8,588,801, 2013
732013
Channel state information reference signal (CSI-RS) configuration and CSI reporting restrictions
S Geirhofer, W Chen, P Gaal
US Patent 9,155,098, 2015
672015
Feedback reporting based on channel state information reference signal (CSI-RS) groups
S Geirhofer, T Luo, W Chen, P Gaal, H Xu, K Bhattad, JI Tingfang
US Patent 9,559,820, 2017
572017
Cognitive frequency hopping based on interference prediction: Theory and experimental results
S Geirhofer, JZ Sun, L Tong, BM Sadler
ACM SIGMOBILE Mobile Computing and Communications Review 13 (2), 49-61, 2009
572009
Method and apparatus for performing coordinated multipoint feedback under multiple channel and interference assumptions
S Geirhofer, W Chen, P Gaal, Y Wei
US Patent 9,537,638, 2017
552017
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