This paper describes a transceiver simulator with two different configurations: one corresponding to wireless LTE standard and other to Mobile WiMAX standard. Both include all the baseband signal treatment blocks, transmission and reception architectures, RF Front-End and channel models. This complete transceiver simulator is used to observe BER and SER for different configurations and to compare the two systems in terms of performances. System performance can be observed in three critical environments, described in sense of propagation models such as AWGN channel, Stanford University Interim (SUI) Channel Models in the case of mobileWiMAX and Pedestrian channel model in the case of LTE. Advantages and drawbacks of mobile transmitter architectures are presented. The polar ΣΔ architecture, already published in the past, is implemented in the simulator due to its power efficiency properties. Receiver architectures have been also considered, low IF direct conversion receiver and subsampling receiver are recommended for flexible and high power efficient receivers. Matlab simulation results permit to validate with high demanding standards the interest of the considered architectures in the context of green radio and cognitive radio applications. It offers performance comparison between LTE and WiMAX and makes an impact for future research phases about the implementation of high energy efficient transceivers.
LTE/WiMAX multimode mobile transceiver, comparison of performances and power efficiency issues
2013-03-01
2200350 byte
Conference paper
Electronic Resource
English
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