communication transmission system

MIMO, multi-carrier and link adaptive modulation techniques are a few key kinds of physical layer techniques in future wireless communication transmission system. You had cheap ralph lauren polo shirts at″I like it!″MIMO technique have a excellent performance in promoting spectral efficiencies, multi-carrier CDMA technique can alleviate the frequency-selective fading effect effectively. Combinating MIMO technique and MC-CDMA scheme into MIMO MC-CDMA system will improve the performance and capacity of a mobile communications system .Cheap Lacoste Polo Shirts are popular everywhere. Introducing the adaptive modulation technique into MIMO MC-CDMA system can take full advantage of wireless channel capacity, and improve data rates more effectively.The work in this paper is a part of the national high-tech research and development program (863 program) subject-"the study of adaptive cross-layer wireless transmission technology in space multiplexing MIMO MC-CDMA system". Its task is to complete the design and implementation of a FPGA-based base-band signal processing platform for space multipl...更多exing MIMO MC-CDMA system.I feel the need-the need for cheap Wholesale nike shoes！ The work in this paper contains the design and implementation of a generic modem supporting QPSK, 16QAM and 64QAM modulation modes, the design and implementation of a V-BALST codec,the design and implementation of a MC-CDMA modem,the design and implementation of ZF V-BLAST detection algorithm ,the design and implementation of the clock management module crossing six clock domains, at last achieved the final structure of the digital base-band transceiver for an airspace multiplexing MIMO MC-CDMA system.
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