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ICASSP
2008
IEEE
14 years 6 months ago
A new Particle Filtering algorithm with structurally optimal importance function
Bayesian estimation in nonlinear stochastic dynamical systems has been addressed for a long time. Among other solutions, Particle Filtering (PF) algorithms propagate in time a Mon...
Boujemaa Ait-El-Fquih, François Desbouvries
ICASSP
2008
IEEE
14 years 6 months ago
Non-iterative multiuser MIMO coordinated beamforming with limited feedforward
This paper proposes non-iterative coordinated beamforming algorithms for a multiuser MIMO (multiple input multiple output) system with multiple antennas at the transmitter and mul...
Chan-Byoung Chae, Takao Inoue, Robert W. Heath Jr....
ICASSP
2008
IEEE
14 years 6 months ago
Robust adaptive beamforming using sequential quadratic programming
In this paper, a new algorithm for robust adaptive beamforming is developed. The basic idea of the proposed algorithm is to estimate the difference between the actual and presumed...
Aboulnasr Hassanien, Sergiy A. Vorobyov, Kon Max W...
ICASSP
2008
IEEE
14 years 6 months ago
High-performance scheduling algorithm for partially parallel LDPC decoder
In this paper, we propose a new scheduling algorithm for the overlapped message passing decoding, which can be applied to general low-density parity check (LDPC) codes. The partia...
Cheng-Zhou Zhan, Xin-Yu Shih, An-Yeu Wu
ICASSP
2008
IEEE
14 years 6 months ago
Compressive wireless arrays for bearing estimation
Joint processing of sensor array outputs improves the performance of parameter estimation and hypothesis testing problems beyond the sum of the individual sensor processing result...
Volkan Cevher, Ali Cafer Gurbuz, James H. McClella...
ICASSP
2008
IEEE
14 years 6 months ago
Performance characteristics of collaborative beamforming for wireless sensor networks with Gaussian distributed sensor nodes
Collaborative beamforming has been recently introduced in the context of wireless sensor networks (WSNs) to increase the transmission range of individual sensor nodes. In this pap...
Mohammed F. A. Ahmed, Sergiy A. Vorobyov
ICASSP
2008
IEEE
14 years 6 months ago
The role of subspace swap in maximum likelihood estimation performance breakdown
Ben A. Johnson, Yuri I. Abramovich, Xavier Mestre
ICASSP
2008
IEEE
14 years 6 months ago
Factorized variational approximations for acoustic multi source localization
Estimation based on received signal strength (RSS) is crucial in sensor networks for sensor localization, target tracking, etc. In this paper, we present a Gaussian approximation ...
Volkan Cevher, Aswin C. Sankaranarayanan, Rama Che...
ICASSP
2008
IEEE
14 years 6 months ago
Analytic framework for performance evaluation of multi-antenna WIMAX systems over fading channel
This paper focuses on the uplink of multicell IEEE 802.16-d WiMax systems with OFDM modulation and antenna array at the base stations. We propose an analytical framework to assess...
Daniele Molteni, Roberto Bosisio, Monica Nicoli
ICASSP
2008
IEEE
14 years 6 months ago
Separation of overlapping RFID signals by antenna arrays
— Radio Frequency Identi cation (RFID) is a technology to wirelessly transmit the identity of tagged objects. For long-range (UHF) systems with multiple tags, the tag replies may...
Asli F. Mindikoglu, Alle-Jan van der Veen