Liu, X;
Darwazeh, I;
(2019)
Quadrupling the data rate for narrowband internet of things without modulation upgrade.
In:
2019 IEEE 89th Vehicular Technology Conference (VTC2019-Spring).
IEEE: Kuala Lumpur, Malaysia.
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Abstract
This work proposes a novel signalling method for Narrowband Internet of Things (NB-IoT) mobile system where a quadrupled data rate can be achieved by combining two orthogonal techniques; the frequency orthogonal Fast-Orthogonal Frequency Division Multiplexing (Fast-OFDM) scheme coupled with the time orthogonal Hilbert transform (HT) pair. In this paper, the orthogonality features of one dimension in Fast-OFDM and of the HT pair are explored. The newly designed system structure is presented where the HT pulse pair is generated by square root raised cosine (SRRC) filter with a matched configuration at the receiver. System performance is investigated in terms of bit error rate (BER), effective data rate and spectral efficiency. Simulation results show that the HT-Fast-OFDM system provides 4 times the data rate relative to an OFDM system employing the same modulation scheme and occupying the same bandwidth. Furthermore, the proposed system has compelling advantages over 16-QAM OFDM for it achieves a better BER performance at the same spectral efficiency
| Type: | Proceedings paper |
|---|---|
| Title: | Quadrupling the data rate for narrowband internet of things without modulation upgrade |
| Event: | 2019 IEEE 89th Vehicular Technology Conference (VTC2019-Spring) |
| Location: | Kuala Lumpur, Malaysia |
| Dates: | 28 April-1 May 2019 |
| ISBN-13: | 9781728112176 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/VTCSpring.2019.8746685 |
| Publisher version: | https://doi.org/10.1109/VTCSpring.2019.8746685 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Fast-OFDM, Hilbert transform pair, data rate, spectral efficiency, NB-IoT |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10080752 |
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