A differential 2MSK receiver, based on regeneration of the MSK signal component with larger amplitude in the receiver, was designed and analysed. The proposed receiver structure is relatively simple and has only 1dB lower power efficiency than the optimal maximum likelihood sequence estimator. Sensitivity of the receiver to non-optimum amplification of the received signal, to error in the symbo...

Nowadays, multiple receiver voting systems use several receivers so that at least one receiver always receives a high quality signal from portable and mobile units operating anywhere within the desired coverage area. Abstract— The voting systems appeared with the purpose of overcoming the problems of bad quality signal in radio systems or mobile phones. This technique consists of selecting amon...

This paper presents a new data compression method for current loop transmitters. In this method, the 4-20 mA current domain is divided into some equal pieces that are used for distinct data domain with a constant relative resolution, resulting in widening the signal span. This technique eliminated the need for high resolution ADC’s or DAC’s in communication of 4-20mA current loop signals. Furth...

In this paper a new adjacent channel interference (ACI) cancellation scheme for multi-channel signal reception with low-IF receivers is investigated through the experiment. In the low-IF receivers, the signal in the mirror frequency causes interference to the desired signal. In the proposed analog-digital signal processing scheme, channel selection is made by analog complex band pass filter and...