National Repository of Grey Literature 6 records found  Search took 0.01 seconds. 
Lineární adaptivní slepé MMSE detektory DS-CDMA signálů
Šimša, Jan
The contribution concentrates on detection of CDMA signals by linear adaptive blind MMSE detectors. Some rules of adaptation and their parameters are discussed. A limited need of a priori information and their adaptability to changing environment cause these detectors very attractive for applications
Principles of spread spectrum systems-CDMA
Šimša, Jan
The contribution summarizes principles of spread-spectrum communication systems. These principles are utilized in code-division multiple-access systems of a simultaneous utilization of the same communication channel by multiple users.
Receivers for CDMA systems
Hovorka, Ladislav ; Šimša, Jan
In the contribution the optimum and suboptimum methods of code division multiple access (CDMA) multiuser detectors (MUD) are summarised. The need of estimation of codes timings and amplitudes of individual users are discussed.
Adaptivní MMSE detektory kódově multiplexovaných signálů s přímým rozprostřením
Šimša, Jan
In the contribution the principle of adaptive blind multiuser MMSE detector of signal in direct sequence CDMA is summarized using chip structured signatures of participating users.

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