Noor Azwan, Shairi and Imran, Mohd Ibrahim (2011) Third Order Intermodulation Distortion Effect on The Constellation Error in RF Transmitter of IEEE 802.11a WLAN System. 2011 IEEE Symposium on Industrial Electronics and Applications (ISIEA). pp. 223-226. ISSN 978-1-4577-1418-4
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Abstract
In wireless data communication, an advanced nonlinear distortion analysis is required in order to see its effect to the performance of a Radio Frequency (RF) front-end system. This technical paper therefore, reports the effect of third order intermodulation (IM3) distortion on the constellation error (a key measure of modulation quality) in RF transmitter of IEEE 802.11a wireless local area network (WLAN) system. The selected RF transmitter architecture is based on the off-the-shelf components. Advanced Design System (ADS) software has been used for RF transmitter modeling and simulation. The constellation error simulation is based on the IEEE 802.11a standard. As results, two observations have been obtained. First, it is shown that the IM3 distortion in the RF transmitter for IEEE 802.11a WLAN system must be kept in minimum level in order to get lower constellation error. Second, with the same IM3 distortion level, the constellation error is very sensitive to the IM3 distortion at higher data rate (e.g. 54 Mbps) compared to lower data rate (e.g. 6 Mbps).
| Item Type: | Article |
|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Faculty of Electronics and Computer Engineering > Department of Telecommunication Engineering |
| Depositing User: | Mr Noor Azwan Shairi |
| Date Deposited: | 16 Jul 2013 02:08 |
| Last Modified: | 28 May 2015 02:39 |
| URI: | http://eprints.utem.edu.my/id/eprint/4092 |
| Statistic Details: | View Download Statistic |
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