báo cáo hóa học:" Editorial Multiuser MIMO Transmission with Limited Feedback, Cooperation, and Coordination" ppt
báo cáo hóa học:" Editorial Multiuser MIMO Transmission with Limited Feedback, Cooperation, and Coordination" ppt
... quantization with low complexity.The article entitled Limited feedback multiuser MIMO techniques for time-correlated channels” by E. Zacarias etal. studies limited feedback for single-user and multiuser MIMO ... single-user (SU) and multiuser (MU) MIMO transmissions is quite different. In particular, MU- MIMO suffers from residual interuser interference due toimperfect channel state information while SU -MIMO onlysuffers ... networks and linearbeamforming. Such benefits can be achieved even with limited feedback.Ubaidulla and Chockalingam contr ibute the article enti-tled “Robust THP transceiver designs for multiuser MIMO downlink...
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Báo cáo hóa học: " Research Article Uplink SDMA with Limited Feedback: Throughput Scaling" docx
... ForSDMA with random scheduling, a random set of users isscheduled and their beamformers are columns of a randomorthonormal basis. Note that with single-scheduled users,SDMA with random scheduling ... ArticleUplink SDMA with Limited Feedback: Throughput ScalingKaibin Huang, Robert W. Heath Jr., and Jeffrey G. AndrewsWireless Networking and Communications Group, Depar tment of Electrical and Computer ... SDMA with limited feedback, which refers to efficient techniques for CSI quantization and feedback. Toquantify the throughput of uplink SDMA and derive design guidelines, the throughput scaling with...
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Báo cáo hóa học: " Editorial 3DTV: Capture, Transmission, and Display of 3D Video" pptx
... group by A. S. Tan et al. deals with the 3D video transmission, and discusses the prob-lem of “rate-distortion optimization for stereoscopic videostreaming with unequal error protection.” The ... theproblem of expensive and time-consuming generation oftime-varying mesh sequences is addressed.The second group of three next papers is related toissues on coding and transmission of 3D video ... paper dealing with 3D coding is entitled “ Theemerging MVC standard for 3D video services” by Y. Chenet al. This paper elaborates the key aspects of system,transport interface, and decoder design...
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Báo cáo hóa học: " Editorial Multiuser Cooperative Diversity for Wireless Networks" pot
... multiple-output (MIMO) transmit/receive schemes and orthogonal f requency-division multiplexing (OFDM)are used in broadband multihop ad hoc networks. Anew transceiver architecture with MIMO- OFDM and MACscheme ... inter-ference and facilitate information transmission by co-operation.In response to the demand for novel ideas and results,this special issue presents a sample of current a ctivities and up-to-date ... Tellambura,2Sayandev Mukherjee,3 and Abraham O. Fapojuwo41Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki,Thessaloniki 54124, Greece2Department of Electrical and...
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Báo cáo hóa học: " Research Article MIMO Systems with Intentional Timing Offset" pptx
... whiteningTiming offset MIMO, without noise whitening,rectangular pulseTiming aligned MIMO, ML receiver, BPSKTiming offset MIMO, with noise whitening,BPSK, rectangular pulseTiming offset MIMO, with windowed ... 14,wepresentthe results of a 3× 3MIMOsystemwithoffset transmission with MMSE joint detection receivers. In this case, there aretwo offsets, and they have been set to T/ 3and2 T/3. It may be0 5 10 15 ... Interference power for various excess bandwidths and offsets. Note: no gain at 0 excess BW.at an offset τ1for a SRRC transmit pulse shape with excessbandwidth β and symbol duration T,isgivenbyIAI(τ1)=k=∞k=−∞sin(π(kT+...
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Báo cáo hóa học: " Editorial Cross-Layer Design for the Physical, MAC, and Link Layer in Wireless Systems" doc
... pagesdoi:10.1155/2009/528675 Editorial Cross-Layer Design for the Physical, MAC, and Link Layer in Wireless SystemsPetar Popovski,1, 2Mary Ann Ingram,3Christian B. Peel,4Shinsuke Hara,5 and Stavros Toumpis61Department ... protocol design and reveals to the public innovativemechanisms and analysis tools. We have grouped themanuscripts into four subtopics: (1) reporting/predictionof fading channels, (2) random access ... betweenthem and their destination. The proposed protocol achievesexcellent performance in terms of both throughput, and, more impressively, fairness. This is yet another excellent, and highly...
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Báo cáo hóa học: " Research Article CDMA Transmission with Complex OFDM/OQAM" pptx
... in simulations and provides an evaluation of the 3 -transmission schemes:MC-CDMA, OQAM-CDMA with real symbols transmis-sion, and the new proposed OQAM-CDMA with complex-symbol transmission. ... in MC-CDMA or in OQAM-CDMAreal -transmission schemes, with the use of 2 W-H spread-ing codes, with a nonzero MAI term. So, the OQAM-CDMA with complex symbol transmission should outperform thetwo ... u0∈ Sn01,andu1∈ Sn02.(6) u0∈ Sn0+11, u1∈ Sn0+12 and u0∈ Sn01,andu1∈ Sn02.(7) u0∈ Sn0+11, u1∈ Sn0+12 and u0∈ Sn01,andu1∈ Sn02.As...
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Báo cáo hóa học: " Gait characteristics of subjects with chronic fatigue syndrome and controls at self-selected and matched velocities" pdf
... pattern(sagittal kinematics and temporal and spatial) of individuals with CFS and control subjects at theirself-selected and at matched velocities.Methods: Twelve individuals with CFS and 12 matched controls ... individuals with subjects with CFS and controls. Manovas were performed on the followingTable 1: Temporal and spatial parameters of gait of both the individuals with CFS and control group. Temporal and ... (GenStatCommittee, Oxford 2005). The mean and standard devia-tion of each spatial and temporal parameter and each kin-ematic parameter were calculated for individuals with CFS and controls separately, at...
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báo cáo hóa học: " Focal glial activation coincides with increased BACE1 activation and precedes amyloid plaque deposition in APP[V717I] transgenic mice" pptx
... iNOSexpression and NO-dependent peroxynitrite release, and with glial activation near almost all diffuse and senile Aβ deposits.Conclusion: The early and focal glial activation, in conjunction with upregulated ... Emis:435-485) and a standard light and immunofluorescence micro-scope (Nikon, Eclipse E-800) connected to a digital cam-era (SONY, model DXC-9100P, Köln, Germany) and to aPC system with LUCIA ... strongly expressing GFAP within the cortex and hippocampus at that age. While the majority of GFAP-positive foci appeared to be randomly distributed withinthe cortex and hippocampus, some of...
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Báo cáo hóa học: "Core strength: A new model for injury prediction and prevention" pptx
... contracted and using the upper and lower extremitiesFigure 1Keeping the transversus abdominus contracted and using the upper and lower extremities.Journal of Occupational Medicine and Toxicology ... testrequires the firefighter to maintain spinal column stability with upper and lower trunk motion while balancing theirweight with one hand and knee on the floor. The maneu-ver duplicates the fire ... of injury prediction and prevention in high riskworkers using a functional movement screen and corestrength intervention [1].Many workers must deal with physically demanding tasksthat involve...
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