Novel decoupling networks for small antenna arrays

... concepts of decoupling networks for compact arrays with small element spacing Different ways of achieving decoupling between the antenna ports are investigated analytically Procedures for the design ... of antenna arrays …… …………… 16 Figure 3.3 Mode model for multi-port antenna ……………………………… … 22 Figure 3.4 Dense multi-port antennas with DN ………………… … …………… 28 Figure 3.5...

Ngày tải lên: 14/09/2015, 08:24

... protocol design for MIMO ad hoc networks, ” IEEE Wireless Communications, vol 13, no 4, pp 62–76, 2006 [16] R Ramanathan, “On the performance of ad hoc networks with beamforming antennas,” in Proceedings ... spatial multiplexing gain The results show that the network can be very large (thousands of nodes even for 10 degree beamwidth) before this occurs Therefore, using s...

Ngày tải lên: 22/06/2014, 19:20

... May 2001 J Wang and M Amin, GPS interference cancellation performance for single and multiple MVDR beamformers,” in Proceedings of the 40th Asilomar Conference on Signals, Systems and Computers, ... represents the interference cancellation performance upon convergence with adaptive single MVDR beamforming method Figure 3(b) depicts the performances of all beamformer...

Ngày tải lên: 21/06/2014, 22:20

... Amplify-forward relaying for multiple- antenna multiple relay networks under individual power constraint at each relay Yasser Attar Izi*1 and Abolfazl Falahati1 Department of Electrical ... known method for the underlying problem Keywords: co-operative communication; multiple- antenna multiple- relay networks; convex optimization; amplify and forward r...

Ngày tải lên: 21/06/2014, 23:20

... geometrical model introduced for the uniform rectangular array (URA), which also incorporates the uniform linear array (ULA), we have investigated the optimal design for line -of- sight (LOS) channels ... include an analysis of the influence of nonoptimal design, and analytical expressions for the singular values of the LOS matrix are derived as a function of the quali...

Ngày tải lên: 22/06/2014, 19:20

... symmetric, and positive definite, then its eigenvalue and singular value decompositions are the same In particular, the singular value decomposition of a real matrix is always real, but the eigenvalue decomposition ... matrix and the corresponding singular vectors forming the columns AT U = V Since U and V are orthogonal, this becomes the singular value decomposition...

Ngày tải lên: 22/06/2014, 23:20

... RESOURCE OPTIMIZATION FOR MULTI- ANTENNA COGNITIVE RADIO NETWORKS ZHANG LAN (M Eng., University of Electronic Science and Technology of China) A THESIS SUBMITTED FOR THE DEGREE ... in multi- antenna CR networks under the spectrum sharing model First, we study the resource optimization problems for three different multi- antenna CR channels, including the CR sing...

Ngày tải lên: 11/09/2015, 10:18

... selection of information on most business management topics, from how to start a business to exporting your products This information is listed in The Small Business Directory For a free copy ... ownermanagers and prospective owners of small businesses For general information about the SBA, its policies and assistance programs, contact your nearest SBA office The Small Busine...

Ngày tải lên: 23/10/2012, 13:53

... pressure in the high concentrated oxygen dissolver A valve is set at the outlet of the lab scale high concentrated oxygen dissolver By adjusting this valve, the pressure in the high concentrated oxygen ... m3/d) of high concentrated oxygen water in which the instant DO could be as high as 70 mg/L Samples were taken and pretreated in different ways to...

Ngày tải lên: 05/09/2013, 08:40

... developed in this paper proposes a procedure for integrated and multicriteria evaluation and selection of wastewater treatment scenarios through a case study in Toan Thang, a small town in Vietnam ... Province, Vietnam, Water Supply and Sanitation Programme for Towns in Vietnam, Ministry of Construction, Vietnam (in Vietnamese) Viwase (2007b) Report...

Ngày tải lên: 05/09/2013, 10:15

... international journals and book chapters and obtained one patent He has been recognized for successful development and implementation of solar dryers in Thailand and the development of solar radiation ... more than 30 research projects on solar radiation and solar thermal technology funded by national and international organizations As a result, he has published mo...

Ngày tải lên: 05/09/2013, 16:10

... account Outcomes Interactive activities are still pedagogical tasks and, as such, should have outcomes or results Tasks for classroom instruction should have the potential for either a performance or ... Repeat performances of similar tasks are recommended to reinforce the interactive skills targeted in the first exercise Students complete a blank worksheet for homework, effec...

Ngày tải lên: 06/09/2013, 10:10

... account Outcomes Interactive activities are still pedagogical tasks and, as such, should have outcomes or results Tasks for classroom instruction should have the potential for either a performance or ... Repeat performances of similar tasks are recommended to reinforce the interactive skills targeted in the first exercise Students complete a blank worksheet for homework, effec...

Ngày tải lên: 06/09/2013, 10:10

... Slide 12 - 14 MPC – Small Applications MPC Replacement for PID with Feedforward ©2006 Fisher-Rosemount Systems, Inc Slide 12 - 15 MPC – Small Applications MPC Replacement for PID Overrride MPC ... Systems, Inc Slide 12 - MPC – Small Applications Step Response Model ©2006 Fisher-Rosemount Systems, Inc Slide 12 - 10 MPC – Small Applications Verification of identified mode...

Ngày tải lên: 01/10/2013, 13:49