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The introduction of the upcoming GERAN evolution feature package in current GSM/EDGE deployments offers operators significant boost in network capacity and mobile data users UMTS/HSPA like high speed packet data services along with competitive latency. Intelligent radio resource management supports novel dual-carrier capable mobile stations by dynamic configuration of GPRS/EDGE packet data channels...
The E-DCH transport channel uses multi-code transmission together with a special kind of QPSK modulation (BPSK modulation on I and Q axis) to achieve high throughput. On frequency selective channels the orthogonality between the spreading codes is lost and inter-code-interference (ICI) arises. This interference limits performances in case the base stations have a classical receiver (Rake), especially...
Radio networks experience the greatest spectrum scarcity in urban environments. Dynamic radio access enables simultaneous and opportunistic spectrum reuse. This paper considers frequency division duplexing cellular networks, where every mobile user (MU) is allocated a frequency channel for uplink transmission to the base station (BS). Previously a frequency reuse model has been proposed for low power...
This paper describes concretely the assessment of the GSM900 Base station transmission influence on UMTS900 Equipment receiver in coordinated deployment case according to some spectral masks in reception. This work is based on theoretical approaches which quantify the GSM interference level and shows the filter importance in coexistence issues between UMTS900 and GSM900. In order to minimize the GSM...
In receivers, IQ imbalances have significant effects on the performance of data transmission. Comparison of the performance of different types of orthogonal space-time block codes (OSTBC) in the presence of IQ imbalances show that different codes donpsilat have a same behavior. Although most codes have an acceptable performance in low imbalances, they canpsilat work properly in the presence of intensive...
This paper deals with the transmission of the digital television signal according to DVB-H standard in SFN network over model of the fading channels for the portable and mobile reception. The laboratory transmission system for the broadcasting based on R&S RF test and measures equipments is presented including the transmission parameters setup. The results of DVB-H broadcasting over AWGN, Portable...
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