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Comparison of charge sampling and voltage sampling

This paper compares two different sampling techniques, charge sampling and conventional voltage sampling. Theoretical analysis and circuit simulation show some attractive advantages of charge sampling over voltage sampling. High speed charge sampling, charge sub-sampling, and charge sampling with embedded filter functions are proposed in this paper.

Characterization and Enhancement of Antenna System Performance in Compact MIMO Terminals

Popular Abstract in Swedish I dagens nya cellulära kommunikationssystem betraktas användandet av multipla mottagarantenner i kompakta användarterminaler som en nödvändighet för att kunna utnyttja fördelarna med diversitet och MIMO (Multiple Input Multiple Output) teknik och därmed uppnå god celltäckning och hög dataöverföringshastighet. Den senaste utbyggnaden av det cellulära kommunikationssystemCo-band multiple-antenna implementation in compact user terminals is necessary for harvesting the full potential of diversity and multiple-input multiple-output (MIMO) technology in cellular communication systems. The recent worldwide deployment of Long Term Evolution (LTE), which requires the use of MIMO technology in the downlink, adds to the urgency of achieving both practical and optimal multi