Walter Cruz
Walter Cruz
Professor de Engenharia de Teleinformática
Email confirmado em gtel.ufc.br
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Ano
Hybrid transceiver schemes for spatial multiplexing and diversity in MIMO systems
WCF Júnior, FRP Cavalcanti, RR Lopes
Journal of Communication and Information systems 20 (3), 2005
482005
Resource assignment for rate maximization with QoS guarantees in multiservice wireless systems
FRM Lima, TF Maciel, WC Freitas, FRP Cavalcanti
IEEE Transactions on Vehicular Technology 61 (3), 1318-1332, 2012
422012
Scheduling for improving system capacity in multiservice 3GPP LTE
FRM Lima, S Wänstedt, FRP Cavalcanti, WCF Junior
Journal of Electrical and Computer Engineering 2010, 2010
402010
Improved spectral efficiency with acceptable service provision in multiuser MIMO scenarios
FRM Lima, TF Maciel, WC Freitas, FRP Cavalcanti
IEEE transactions on vehicular technology 63 (6), 2697-2711, 2013
222013
Hybrid MIMO transceiver scheme with antenna allocation and partial CSI at transmitter side
WC Freitas, FRP Cavalcanti, RR Lopes
2006 IEEE 17th International Symposium on Personal, Indoor and Mobile Radio …, 2006
222006
QoS based radio resource allocation and scheduling with different user data rate requirements for OFDMA systems
RB Santos, FRM Lima, WC Freitas, FRP Cavalcanti
2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio …, 2007
212007
Sequential closed-form semiblind receiver for space-time coded multihop relaying systems
WC Freitas, G Favier, ALF de Almeida
IEEE Signal Processing Letters 24 (12), 1773-1777, 2017
192017
A unifying design of hybrid beamforming architectures employing phase shifters or switches
K Ardah, G Fodor, YCB Silva, WC Freitas, FRP Cavalcanti
IEEE Transactions on Vehicular Technology 67 (11), 11243-11247, 2018
182018
Generalized Khatri-Rao and Kronecker space-time coding for MIMO relay systems with closed-form semi-blind receivers
W Freitas Jr, G Favier, ALF de Almeida
Signal Processing 151, 19-31, 2018
172018
Pricing-based distributed beamforming for dynamic time division duplexing systems
FRV Guimaraes, G Fodor, WC Freitas, YCB Silva
IEEE Transactions on Vehicular Technology 67 (4), 3145-3157, 2017
152017
Performance of MIMO Systems with a Hybrid of Transmit Diversity and Spatial Multiplexing
ALF De Almeida, WC Freitas Jr, JCM Mota, FRP Cavalcanti, ...
XX Simpósio Brasileiro de Telecomunicaçoes (SBrT), 2003
152003
Distributed beamforming in dynamic TDD MIMO networks with BS to BS interference constraints
E de Olivindo Cavalcante, G Fodor, YCB Silva, WC Freitas
IEEE Wireless Communications Letters 7 (5), 788-791, 2018
142018
A novel cell reconfiguration technique for dynamic TDD wireless networks
K Ardah, G Fodor, YCB Silva, WC Freitas, FRP Cavalcanti
IEEE Wireless Communications Letters 7 (3), 320-323, 2017
142017
Hybrid analog-digital beamforming design for SE and EE maximization in massive MIMO networks
K Ardah, G Fodor, YCB Silva, WC Freitas, ALF de Almeida
IEEE Transactions on Vehicular Technology 69 (1), 377-389, 2019
132019
Link-to-system level interface solutions in multistate channels for 3gpp lte wireless system
RB Santos, WC Freitas Jr, EMG Stancanelli, FRP Cavalcanti
XXV Simposio Brasileiro de Telecomunicacoes, 2007
132007
Exploiting dimensions of the mimo wireless channel: multidimensional link adaptation
WC Freitas, FRP Cavalcanti, ALF De Almeida, RR Lopes
2005 IEEE 61st Vehicular Technology Conference 2, 924-928, 2005
132005
Performance of MIMO antenna systems with hybrids of transmit diversity and spatial multiplexing using soft-output decoding
WC Freitas, ALF de Almeida, JCM Mota, FRP Cavalcanti, ...
International Conference on Telecommunications, 28-37, 2004
132004
Tensor-based joint channel and symbol estimation for two-way MIMO relaying systems
WC Freitas, G Favier, ALF de Almeida
IEEE Signal Processing Letters 26 (2), 227-231, 2018
122018
Blind joint channel estimation and data detection for precoded multi-layered space-frequency MIMO schemes
WC Freitas, ALF de Almeida, JPCL da Costa
Circuits, Systems, and Signal Processing 33 (4), 1215-1229, 2014
122014
Radio resource allocation for maximization of user satisfaction
FRM Lima, RB dos Santos, FRP Cavalcanti, WC Freitas
2008 IEEE 9th Workshop on Signal Processing Advances in Wireless …, 2008
102008
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