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Wire cutting metal folded monopole antenna fed by mini-coaxial cable back with a thin printed ground-line for bandwidth enhancement is proposed and experimentally investigated. Both impedance and radiation characteristics of this antenna are studied. Experimental results indicate that a return loss les -8 dB bandwidth cover CDMA (824-894 MHz), GSM (880-960 MHz), DCS (1710-1880 MHz), PCS (1850-1990...
For wireless multipath fading channels, the performance of a direct-sequence code-division multiple-access (DS-CDMA) system is degraded by the interferences, including the multipath interference (MPI) and the multiuser interference (MUI). For the downlink DS-CDMA with random spreading, we derive the variances of the interferences and obtain the signal-to-interference-plus-noise ratio (SINR). The simple...
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