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In this paper, joint partial relay selection (PRS) and power allocation methods are proposed in conjunction with cooperative maximum likelihood (ML) detectors. These methods are considered for selecting relay nodes that improve the bit error rate (BER) performance of a two-phase multiple-input multiple-output (MIMO) half-duplex decode-and-forward (DF) relay system with log-normal shadowing and power...
In this paper, cross-layer design methods are proposed for jointly detecting data streams and dynamically allocating power within a multiple-input multiple-output two-phase cooperative wireless communication system operating in a spatial multiplexing configuration and with single and multiple decode-and-forward (DF) relays. The proposed joint detection and power allocation schemes employ a maximum...
The development and construction of a low cost current transducer is described. A simplified mathematical model is derived by filtering the limit cycle with a low pass filter. The test results were made with a variety of ferrite cores. As no Hall effect device is required, there are considerable manufacturing advantages and the device is not temperature sensitive.
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