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Improved and optimal dual circular 32-QAM for MB-OFDM

Yang, R. and Sherratt, R. S. ORCID: https://orcid.org/0000-0001-7899-4445 (2009) Improved and optimal dual circular 32-QAM for MB-OFDM. IEEE Transactions on Consumer Electronics, 55 (3). pp. 1121-1126. ISSN 0098-3063

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To link to this item DOI: 10.1109/TCE.2009.5277965

Abstract/Summary

Quadrature Phase Shift Keying (QPSK) and Dual Carrier Modulation (DCM) are currently used as the modulation schemes for Multiband Orthogonal Frequency Division Multiplexing (MB-OFDM) in the ECMA-368 defined Ultra-Wideband (UWB) radio platform. ECMA-368 has been chosen as the physical radio platform for many systems including Wireless USB (W-USB), Bluetooth 3.0 and Wireless HDMI; hence ECMA-368 is an important issue to consumer electronics and the users’ experience of these products. To enable the transport of high-rate USB, ECMA-368 offers up to 480 Mb/s instantaneous bit rate to the Medium Access Control (MAC) layer, but depending on radio channel conditions dropped packets unfortunately result in a lower throughput. This paper presents improvement on a high data rate modulation scheme that fits within the configuration of the current standard increasing system throughput by achieving 600 Mb/s (reliable to 3.2 meters) thus maintaining the high rate USB throughput even with a moderate level of dropped packets. The modulation system is termed improved and optimal Dual Circular 32-QAM (DC 32-QAM). The system performance for improved and optimal DC 32-QAM modulation is presented and compared with previous DC 32- QAM, 16-QAM and DCM.

Item Type:Article
Refereed:Yes
Divisions:Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:7469
Uncontrolled Keywords:DCM , Dual Circular 32-QAM , Frequency Diversity , MB-OFDM
Publisher:IEEE

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