Results 81 to 90 of about 9,856 (164)

Variational learning algorithms for quantum query complexity

open access: yesNew Journal of Physics
Quantum query complexity is pivotal in the analysis of quantum algorithms, encompassing well-known examples like search and period-finding algorithms. These algorithms typically involve a sequence of unitary operations and oracle calls dependent on an ...
Zipeng Wu   +4 more
doaj   +1 more source

Computable performance guarantees for compressed sensing matrices

open access: yesEURASIP Journal on Advances in Signal Processing, 2018
The null space condition for ℓ 1 minimization in compressed sensing is a necessary and sufficient condition on the sensing matrices under which a sparse signal can be uniquely recovered from the observation data via ℓ 1 minimization.
Myung Cho, Kumar Vijay Mishra, Weiyu Xu
doaj   +1 more source

GloptiPoly 3: moments, optimization and semidefinite programming

open access: yes, 2007
We describe a major update of our Matlab freeware GloptiPoly for parsing generalized problems of moments and solving them numerically with semidefinite ...
Henrion, Didier   +2 more
core   +2 more sources

Data dissemination scheduling algorithm for V2R/V2V in multi-channel VANET

open access: yesTongxin xuebao, 2019
Considering that the data dissemination in multi-channel VANET (vehicular ad hoc network),a cooperative data dissemination scheduling algorithm was introduced for V2R(vehicle to roadside unit) and V2V(vehicle to vehicle).The algorithm created initial ...
Xin PENG   +5 more
doaj   +2 more sources

Joint transceiver beamforming in MIMO cognitive radio network

open access: yesTongxin xuebao, 2015
An iterative SDP-MMSE algorithm based on semidefinite programs (SDP) and minimum mean squared error (MMSE) was introduced to minimize the total transmit power. And a further approach on the max-min fairness beam-forming was presented.
Yan GUO   +3 more
doaj   +2 more sources

Joint beamforming for multiuser SCFDE block transmission system in frequency selective MIMO channels

open access: yesTongxin xuebao, 2013
Single carrier frequency domain equalization (SCFDE) joint beamforming in frequency selective multiple input multiple output (MIMO) channels under the multi-user scenario was analyzed.Firstly,the frequency domain beamforming was transformed to a time ...
Li-zhou Xu   +3 more
doaj   +2 more sources

SIG-SDP: Sparse Interference Graph-Aided Semidefinite Programming for Large-Scale Wireless Time-Sensitive Networking

open access: yes
Wireless time-sensitive networking (WTSN) is essential for Industrial Internet of Things. We address the problem of minimizing time slots needed for WTSN transmissions while ensuring reliability subject to interference constraints -- an NP-hard task. Existing semidefinite programming (SDP) methods can relax and solve the problem but suffer from high ...
Gu, Zhouyou   +3 more
openaire   +1 more source

Low complexity beamspace super‐resolution for direction‐of‐arrival estimation via prior information encoding

open access: yesIET Radar, Sonar & Navigation
Beamspace processing is widely applied in Direction‐of‐Arrival (DOA) estimation thanks to dimensional reduction and super‐resolution characterisations.
Pan Jie
doaj   +1 more source

Efficient Sensor Node Selection for Observability Gramian Optimization. [PDF]

open access: yesSensors (Basel), 2023
Yamada K   +5 more
europepmc   +1 more source

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