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Offset Phase Rotation Shift Keying and Phase Silence Rotation Shift Keying Modulation for Medical In-Body WBAN Systems
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 Title & Authors
Offset Phase Rotation Shift Keying and Phase Silence Rotation Shift Keying Modulation for Medical In-Body WBAN Systems
Choi, Il-Muk; Won, Kyung-Hoon; Kim, Ki-Yun; Choi, Hyung-Jin;
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 Abstract
In this paper, we proposed new modulation schemes, Offset Phase Rotation Shift Keying (OPRSK) and Phase Shift Rotation Shift Keying (PSRSK), for medical in-body wireless body area network (WBAN) systems. In IEEE, the WBAN system is assigned as 802.15. Task Group (TG) 6, and the related standardization is being progressed. Recently, in this Group, Phase Silence Shift Keying (PSSK), Phase Silence Position Keying (PSPK) and Phase Rotation Shift Keying (PRSK), which can obtain higher power efficiency, are proposed as new modulation schemes for low-power operation of WBAN system. However, they have a disadvantage for non-linear amplifier distortion. Therefore, in this paper, we proposed OPRSK and PSRSK, which are robust to non-linear amplification, by employing a phase offset in constellation and a power distribution in symbol duration, and verified that the proposed methods have good perfomance and stable operation through performance evaluation.
 Keywords
OPRSK;PSRSK;WBAN;
 Language
Korean
 Cited by
 References
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