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Distributed transmit beamforming and its application

Distributed Transmit Beamforming without Phase Feedback

Distributed Transmit Beamforming without Phase Feedback

... article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly ...of distributed ...

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Transmit Smart with Transmit Beamforming

Transmit Smart with Transmit Beamforming

... Marvell’s Commitment Marvell is committed to providing cutting-edge technology to its customers by adopting technologies that provide the most benefits to its customers, and in turn to theirs. In early ...

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Underwater localization based on grid computation and its application to transmit beamforming in multiuser UWA communications

Underwater localization based on grid computation and its application to transmit beamforming in multiuser UWA communications

... x n (f ) = T (n) (f )s n (f ), f = f 0 , ...f K−1 , (14) where s n (f ) is the information symbol for the nth user at subcarrier f . The design of the transmit beamformer requires the channel frequency response ...

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Transmit Diversity and its Application to Cooperative Networking

Transmit Diversity and its Application to Cooperative Networking

... four transmit antennas represented by a full rank transmit correlation ...loop transmit diversity schemes do not yield significant performance benefits when the channels between multiple antennas are ...

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Performance Analysis for Transmit-Beamforming with Finite-Rate Feedback

Performance Analysis for Transmit-Beamforming with Finite-Rate Feedback

... certain application scenarios, ...endeavors transmit- diversity ...downlink application scenarios dealing with single receive- but multiple transmit- ...

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Interference Mitigation by Practical Transmit Beamforming Methods in Closed Femtocells

Interference Mitigation by Practical Transmit Beamforming Methods in Closed Femtocells

... practical transmit beamforming methods was ...closed-loop transmit diversity mode 1 and its extension to four antennas, as well as the classical transmit antenna selection approach, ...

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Slotted Aloha with multi AP diversity and APS transmit beamforming

Slotted Aloha with multi AP diversity and APS transmit beamforming

... OM transmit antennas, any packet transmitted by any user can potentially reach both APs (see Figure ...If transmit BF is used, each user can choose one AP as its server where its packet will ...

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Combined transmit beamforming and channel aware scheduling for interference mitigation in femtocells

Combined transmit beamforming and channel aware scheduling for interference mitigation in femtocells

... Full channel phase information (asymptotic upper bound) Before finishing this section, we identify the performance of our scheme when the channel phase information is reported to the transmitter without quantization. ...

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Robust Transmit Beamforming for SWIPT Enabled Cooperative NOMA with Channel Uncertainties

Robust Transmit Beamforming for SWIPT Enabled Cooperative NOMA with Channel Uncertainties

... Let us take the first beam as an example. It is assumed that NOMA protocol is adopted for the two users. Without loss of generality, we assume that user 1 is a strong user with better channel conditions and user 2 is a ...

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Integrated 16-Channel Transmit and Receive Beamforming ASIC for Ultrasound Imaging

Integrated 16-Channel Transmit and Receive Beamforming ASIC for Ultrasound Imaging

... 16-channel Transmit (Tx) and Receive (Rx) beamforming ASIC (Application Specific Integrated Circuit) that can be integrated in ultrasound probe head which reduces the number of coaxial ...16-channel ...

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Transmit / Received Beamforming for Frequency Diverse Array with Symmetrical frequency offsets

Transmit / Received Beamforming for Frequency Diverse Array with Symmetrical frequency offsets

... across its array elements to provide range, angle and time dependent ...But, its transmit beampattern is coupled in range and angle dimensions, which may degrade the output ...

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Hybrid analog-digital transmit beamforming for spectrum sharing backhaul networks

Hybrid analog-digital transmit beamforming for spectrum sharing backhaul networks

... the beamforming optimization with switches and phase shifters is novel and in the paper we have shown its great potential as it is able to deliver efficient solutions with a low computational complexity ...

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Adaptive Beamforming for Distributed Relay Networks

Adaptive Beamforming for Distributed Relay Networks

... the application of our iterative transceiver beamforming schemes in this ...nodes transmit irrespective of whether primary link is idle or ...

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Employing Coordinated Transmit and Receive Beamforming in Clustering Double Directional Radio Channel

Employing Coordinated Transmit and Receive Beamforming in Clustering Double Directional Radio Channel

... article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly ...

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Distributed beamforming and power allocation for cooperative networks

Distributed beamforming and power allocation for cooperative networks

... can transmit up to their own output power limit, the total power constraint limits interfer- ence to other source-destination pairs, which is an important issue for power-constrained communication ...

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Effective estimation of the desired-signal subspace and its application to robust adaptive beamforming

Effective estimation of the desired-signal subspace and its application to robust adaptive beamforming

... 4. SIMULATION RESULTS In all simulations, a ULA of 10 omnidirectional sensors with half wavelength inter-element spacing is employed. Additive noise at the sensors is modeled as spatially and temporally white complex ...

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A novel joint transmit beamforming and receive time switching strategy for MISO SWIPT system

A novel joint transmit beamforming and receive time switching strategy for MISO SWIPT system

... As we can see in Fig. 4, the transmission power of the base station increases with the time switching ratio. This proves the correctness of the derivation process in Section 3. Thus, the minimum value of the objective ...

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Distributed Beamforming Phased Arrays for Millimeter-Wave Radio.

Distributed Beamforming Phased Arrays for Millimeter-Wave Radio.

... dual-vector distributed beamforming with a series-fed network is proposed and demonstrated in 130-nm SiGe BiCMOS ...between transmit and receive front-ends without switching through use of a ...

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On the security of cooperative cognitive radio networks with distributed beamforming

On the security of cooperative cognitive radio networks with distributed beamforming

... adjusts its transmit power P S under a predefined threshold I to guar- antee the quality of service of the primary ...the transmit power at the secondary source is constrained as P S = I h sp 2 ...

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Performance analysis of distributed ZF beamforming in the presence of CFO

Performance analysis of distributed ZF beamforming in the presence of CFO

... the transmit nodes share the same data but have only the local knowledge of the ...the distributed nature of such schemes, time/frequency synchronization among the cooperating transmitters is required to ...

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