Coordinated Beamforming
Joint power and feedback bit allocation for energy efficient design in limited feedback coordinated beamforming systems
... the inaccurate coordinated beamforming led by imper- fect CDI. The residual interferences can be reduced by allocating more feedback bits for quanting the corre- sponding CDI or less transmit power to the ...
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Scheduling Algorithm for Coordinated Beamforming in Heterogeneous Macro/Pico LTE-Advanced Networks
... situations. Coordinated beamforming is one method of base station cooperation that can be applied to mitigate interference in this ...for coordinated beamforming in an LTE-A system which ...
6
Effects of Mutual Coupling and Noise Correlation on Downlink Coordinated Beamforming with Limited Feedback
... fed back by the users to the base station. When feedback is limited, the base station’s estimates of these matrices may be imprecise and the resulting performance degraded. In this paper, we also examine the impact of ...
10
Coordinated beamforming design for multicell systems with transceiver impairments: from perspective of spectral efficiency to energy efficiency
... the beamforming design in multi-antenna ...a coordinated beamforming design for the multicell multiuser multi-antenna downlink system with residual transceiver ...iterative beamforming scheme ...
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Optimal coordinated beamforming with artificial noise for secure SWIPT in multi cell networks
... multi-cell coordinated beamforming (MCBF) design for secure simultaneous wireless information and power transfer (SWIPT) in both centralized and distributed ...own beamforming vectors and AN ...
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Scheduling heuristic for reduced complexity of coordinated beamforming in large multi-carrier heterogeneous wireless networks
... As the first contribution of this Thesis, this chapter describes fundamental factors that limit the performance of Coordinated Beamforming (CBF) in a large-scale heterogeneous network which were found by ...
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Practical decentralized high performance coordinated beamforming for both downlink and uplink in time division duplex systems
... Coordinated beamforming (CBF) has been studied in hope of mitigating the inter-cell interference experienced by cell-edge users. Unfortunately, due to the limitations and/or impracticalities of the proposed ...
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Complexity of coordinated beamforming and scheduling for OFDMA based heterogeneous networks
... MS. Coordinated scheduling and coordinated beamforming lie in between the two ...of coordinated scheduling the BSs cooperate in the resource ...assignment. Coordinated ...
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Intrinsic interference mitigating coordinated beamforming for the FBMC/OQAM based downlink
... coordination among the base stations is considered, the application of coordinated beamforming-based transmission schemes is further investigated. An appropriate IIM-CBF technique is proposed. Simulation ...
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Coordinated multicell beamforming for massive MIMO : a random matrix approach
... multi-cell beamforming algorithm for massive MIMO systems that requires limited amount of information exchange between the ...called coordinated beamforming, in which BSs formulate their ...
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Block Diagonalization with Multiuser Beamforming for Coordinated Multi-Point Transmission
... downlink coordinated beamforming of CoMP and proposed scheme based on SLNR & SNR to choose the optimal beamforming vector from codebook ...
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Based on virtual beamforming cooperative jamming with Stackelberg game for physical layer security in the heterogeneous wireless network
... The physical layer security technology is a technical scheme developed in recent years to solve the problem of information security transmission in wireless communication networks. As one of the physical layer security ...
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B-Mode Photoacoustic Imaging using Linear Array: Numerical Study for Forward-Backward Minimum Variance Beamformer Combined with Delay-Multiply-and-Sum
... done through a US waveform. Delay-and-Sum (DAS) is the most commonly used beamforming algorithm in US and PAI. However, it leads to low-quality images due to its blindness [23-25]. Delay-Multiply-and-Sum (DMAS), ...
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Constant Modulus Blind Adaptive Beam forming Based on Advanced Unscented Kalman Filtering
... blind beamforming plays an important role in the contemporary communication systems where it constantly tributes to the enhancement of the signals that tend to be received or ...Adaptive beamforming is ...
5
Multi beam coverage and beamforming technology for high altitude platform station communication system
... with beamforming algorithm as the key technology can realize spatial division multiple access (SDMA) by automatically adapting the weight vector of the antenna array, enhance the expected value, and suppress the ...
10
Using neural network front-ends on far field multiple microphones based speech recognition
... Speech overlap is a key feature in meeting speech recognition. While acoustic beamforming can in theory address this problem, in prac- tice the algorithms do not allow concurrent speech recognition (e.g. due to ...
6
Adaptive Radial Basis Function Detector for Beamforming
... Conclusions ❏ Nonlinear beamforming achieves significantly smaller system bit error rate and larger user capacity ❏ Optimal Bayesian beamforming solution has an inherent symmetry structu[r] ...
20
Microphone Arrays as a Leakage Detection Tool in Industrial Compressed Air Systems
... with low absorption as high-frequency components of the acoustic emission signal emitted from the leakage are investigated. Sometimes additional information is necessary; for example, knowledge of background interference ...
10
Visible light communication using TDMA optical beamforming
... Optical beamforming is a technique to focus light-emitting diode (LED) light on a desired target and has been used to improve the performance of visible light communications ...optical beamforming to ...
6
Robust Linear MIMO in the Downlink: A Worst-Case Optimization with Ellipsoidal Uncertainty Regions
... receive beamforming vectors for the users, based on the imperfect CSIT, the perfect or imperfect CSIR, and the channel uncertainty ...and beamforming solution for a multiuser MISO system while a convergent ...
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