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QOS 2021 provides an Early Bird Registration FeeĀ From August 3 (Tue.) to September 17 (Fri.), 2021 in order to generate discounted rates of the registration fee to those who are highly interested in the symposium. Online registration is highly recommended to all participants for the symposium at the official website.

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At least, one author of each accepted papers must complete his/her registration and pay the registration fee by September 17 (Sat.), 2021. Otherwise the papers will be withdrawn from the proceedings publication.

Registration Fee

QOS 2021 Early
(From August 3 (Tue.) to September 17 (Fri.), 2021)
(From September 18 (Sat.) to October 9 (Sat.), 2021)
Regular USD 200 USD 250
Student USD 80 USD 100

Payment Methods

  • By Credit Card
    • VISA, MASTER, JCB, AMEX, and UnionPay are acceptable only.
    • Payment by credit card is available through the on-line procedure only.
    • Please note that the billing descriptor will be listed as EXIMBAY.COM.
  • By Bank Transfer
    • Please make the bank transfer to below account provided. (Sender's name MUST BE identical with registrant's name).
    • All bank remittance charges are to be paid by the registrant.
    • In order to confirm your payment, please send the remittance slip via e-mail
      ( or fax(+82-42-472-7459 ).

Refund Policy

  • Request of cancellation must be made in writing and notified to the secretariat
  • Refund will be processed within 1 month after the conference is finished.
  • The registration fees are refundable as specified below.
Cancellation / Refund Request Refund
From August 3 (Tue.) to September 17 (Fri.), 2021 100% Refund
From September 18 (Sat.) to October 9 (Sat.), 2021 No Refund