Báo cáo hóa học: "Research Article Experimental Investigation of Cooperative Schemes on a Real-Time DSP-Based "

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Research Article Experimental Investigation of Cooperative Schemes on a Real-Time DSP-Based | Hindawi Publishing Corporation EURASIP Journal on Wireless Communications and Networking Volume 2009 Article ID 368752 15 pages doi 2009 368752 Research Article Experimental Investigation of Cooperative Schemes on a Real-Time DSP-Based Testbed Per Zetterberg 1 Christos Mavrokefalidis 2 Aris S. Lalos 2 and Emmanouil Matigakis3 1 ACCESS Linnaeus Center Royal Institute of Technology Osquldasviig 10 10044 Stockholm Sweden 2Research Academic Computer Technology Institute Patras University Campus 26504 Patras Greece 3 Department of Electronic and Computer Engineering Technical University of Crete Kounoupidiana Campus Chania 73100 Crete Greece Correspondence should be addressed to Per Zetterberg Received 9 November 2008 Accepted 31 March 2009 Recommended by Xavier Mestre Experimental results on the well-known cooperating relaying schemes amplify-and-forward AF detect-and-forward DF cooperative maximum ratio combining CMRC and distributed space-time coding DSTC are presented in this paper. A novel relaying scheme named selection relaying SR in which one of two relays are selected base on path-loss is also tested. For all schemes except AF receive antenna diversity is as an option which can be switched on or off. For DF and DSTC a feature selective where the relay only forwards frames with a receive SNR above 6 dB is introduced. In our measurements all cooperative relaying schemes above increase the coverage area as compared with direct transmission. The features antenna diversity and selective improve the performance. Good performance is obtained with CMRC DSTC and SR. Copyright 2009 Per Zetterberg et al. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. 1. Introduction MULTIPATH fading is one of the major obstacles for the next generation wireless networks which require high .

Không thể tạo bản xem trước, hãy bấm tải xuống
TÀI LIỆU LIÊN QUAN
TÀI LIỆU MỚI ĐĂNG
92    22    1    07-07-2022
108    19    1    07-07-2022
Đã phát hiện trình chặn quảng cáo AdBlock
Trang web này phụ thuộc vào doanh thu từ số lần hiển thị quảng cáo để tồn tại. Vui lòng tắt trình chặn quảng cáo của bạn hoặc tạm dừng tính năng chặn quảng cáo cho trang web này.