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Performance analysis on DPSK modulation using symbol repetition and interleaving

Title
Performance analysis on DPSK modulation using symbol repetition and interleaving
Authors
Han, SungminLee, JaeseokKwon, TaesooChoi, Ji-Woong
DGIST Authors
Choi, Ji-Woong
Issue Date
2018-07
Citation
International Journal of Communication Systems, 31(11)
Type
Article
Article Type
Article
ISSN
1074-5351
Abstract
It is well known that the differential phase shift keying (DPSK) transmission does not require a reference phase and reduces the computational complexity and power consumption of the receiver at the cost of the transmission reliability. To improve the reliability of transmission under such scenario, we use a symbol repetition scheme to the DPSK modulation, such as the IEEE 802.15.6 wireless body area network and the ITU-T G.9903. However, the message symbol repetition with interleaving in conventional manner as in coherent modulation schemes may degrade the receiver performance because of the noise characteristic of the differential demodulation structure. In this work, we analyze the performance of repeated DPSK system with and without the interleaver and demonstrate which scenario is suitable for each modulation order. We propose a proper transmission setting, which achieves noticeable performance improvement at the receiver as well as enhances the energy efficiency of the communication system. Since it can be implemented with very small modification to existing systems, our results are highly applicable with negligible modification of the hardware structure and thus enable substantially low-cost implementation in future communication systems including wireless body area network internet of things applications. Copyright © 2018 John Wiley & Sons, Ltd.
URI
http://hdl.handle.net/20.500.11750/6667
DOI
10.1002/dac.3589
Publisher
John Wiley & Sons Inc.
Related Researcher
  • Author Choi, Ji-Woong CSP(Communication and Signal Processing) Lab
  • Research Interests Communication System; Signal Processing; Communication Circuit Design; 생체 신호 통신 및 신호 처리; 뇌-기계 인터페이스(BMI); 차세대 교차계층 통신 및 신호 처리; 5G 모바일 통신
Files:
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Collection:
Department of Information and Communication EngineeringCSP(Communication and Signal Processing) Lab1. Journal Articles


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