Modeling and compensation of antenna RF switching non-idealities in OFDM receivers
| Autor: | Won Namgoong, Pratheep Bondalapati, Murat Torlak |
|---|---|
| Rok vydání: | 2014 |
| Předmět: |
Engineering
Reconfigurable antenna RF front end business.industry ComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKS Antenna measurement Electrical engineering Data_CODINGANDINFORMATIONTHEORY Antenna diversity Antenna tuner Antenna efficiency law.invention law Electronic engineering Feed line Antenna noise temperature business |
| Zdroj: | 2014 IEEE Dallas Circuits and Systems Conference (DCAS). |
| DOI: | 10.1109/dcas.2014.6965344 |
| Popis: | Antenna RF switches are radio frequency components used in spatial diversity systems in wireless communi-cations. In this paper, we investigate the transient effects of the antenna RF switching on the receiver front-end. We show experimentally that the duration of this effect can be significant compared to an OFDM (Orthogonal Frequency Division Multiplexing) guard period used in wireless systems. A simple memoryless time-varying model of the antenna is then developed. After quantifying the performance degradation in an OFDM system caused by the RF switching, a digital compensator to minimize this performance degradation is presented. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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