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This paper proposes a novel architecture for last mile connectivity for rural India. This proposed architecture provides a low cost GSM connectivity using distributed Radio Access Network (RAN) architecture principle of Base Band Unit (BBU) and Remote Radio Unit (RRU), leveraging the existing National Optical Fibre Network (NOFN) infrastructure and deploying a WiFi based front-haul. The paper also...
A new design technology of multimode terminal allows a single device to take care any kind of data with different baseband signal formats and sample rates. The different signal formats and sample rates might be handled in radio frequency block or digital baseband block. This paper presents a design of asynchronous register in order to handle some different sample rates in the multimode terminal. The...
Many research results on biological effects of cellular phone radiations agree that the main possible hazards are the thermal effects while some other results reveal that the thermal effects due to handsets radiation are negligible. Few can deny the fact and puzzle that some users did suffer from such symptoms as headaches due to cellular phones. This paper provides a potential cause or possible answer...
Ever since the beginning of using radio frequencies, a debate started to raise on their safety, after a number of studies, the International Commission on Non-Ionizing Radiation (ICNIRP) came up with standards claimed to be safe to operate within. In this paper, we are mainly concerned with studying the main sources of EMF radiation at the vicinity of the university and then to check if the combined...
Enabling factor for the success of future highly integrated multi-standard transceiver is reconfiguration and programmability. This is especially true for the radio frequency (RF) receiver front-end, where today a significant fraction of the power and area are consumed. After a brief overview of circuit requirements, this paper focuses on design of reconfigurable low-noise amplifiers (LNAs) and mixers...
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