Abstract
Current radio frequency power amplifiers (PAs) in 3G base stations have very high power consumption leading to a hefty cost and negative environmental impact. In this paper, we propose a potential architecture design for future wireless base station. Issues associated with components of the architecture are investigated. A comparison of PA with pulse width modulation drive and PA with envelope elimination and restoration (EER) drive is offered. EER-driven PA promises high efficiency over a wide dynamic range but has bandwidth expansion problems. A novel approach which reduces bandwidth expansion on the envelope by 54% is proposed. A modulator is used to convert amplitude and phase information into the edges of a pulse train. The modulator also eradicates some analog components present in traditional base station design.
| Original language | English |
|---|---|
| Title of host publication | 4th International Symposium on Wireless and Pervasive Computing (ISWPC) 2009 |
| Publisher | IEEE - Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Print) | 978-1-4244-2965-3 |
| DOIs | |
| Publication status | Published - 2009 |
| Event | International Symposium on Wireless and Pervasive Computing (ISWPC) 2009 - Melbourne, Australia Duration: 2009 Feb 11 → 2009 Feb 13 |
Conference
| Conference | International Symposium on Wireless and Pervasive Computing (ISWPC) 2009 |
|---|---|
| Country/Territory | Australia |
| City | Melbourne |
| Period | 2009/02/11 → 2009/02/13 |
Subject classification (UKÄ)
- Communication Systems
Free keywords
- wireless communication
- base station
- power consumption
- EER
- power amplifier
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