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This invention has been accomplished in consideration of problems, and an object thereof is to provide a technology that enables a maximum transmit power suitable for each user equipment. This invention is a communication system, is characterized in deciding a maximum value of a transmit power of a

This invention has been accomplished in consideration of problems, and an object thereof is to provide a technology that enables a maximum transmit power suitable for each user equipment. This invention is a communication system, is characterized in deciding a maximum value of a transmit power of a user equipment by employing at least one of an access scheme and control information indicating a content of a communication control.

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1. A communication system, characterized in deciding a maximum value of a transmit power of a user equipment by employing at least one of information related to access schemes and information related to a number of discontinuous resource block groups, wherein each of the discontinuous resource block

1. A communication system, characterized in deciding a maximum value of a transmit power of a user equipment by employing at least one of information related to access schemes and information related to a number of discontinuous resource block groups, wherein each of the discontinuous resource block groups comprises one or more continuous resource blocks allocated to said user equipment in a frequency domain. 2. The communication system according to claim 1, characterized in deciding said maximum value of said transmit power by employing modification information set responding to said information related to access schemes or said number of discontinuous resource block groups. 3. The communication system according to claim 1 or claim 2, characterized in deciding said maximum value of said transmit power by employing modification information responding to an access scheme, which is employed by said user equipment for data communication. 4. The communication system according to claim 1 or claim 2, characterized in deciding said maximum value of said transmit power by employing modification information set responding to said number of discontinuous resource block groups. 5. The communication system according to claim 4, characterized in deciding said maximum value of said transmit power by employing said modification information responding to a maximum number of said discontinuous resource block groups. 6. The communication system according to claim 1, characterized in deciding said transmit power of said user equipment by employing said decided maximum value. 7. A user equipment, characterized in deciding a maximum value of a transmit power of its own device by employing at least one of information related to access schemes and information related to a number of discontinuous resource block groups, wherein each of the discontinuous resource block groups comprises one or more continuous resource blocks allocated to said user equipment in a frequency domain. 8. The user equipment according to claim 7, characterized in deciding said maximum value of said transmit power by employing modification information set according to said information related to access schemes or said number of discontinuous resource block groups. 9. The user equipment according to claim 7 or claim 8, characterized in deciding said maximum value of said transmit power by employing modification information responding to an access scheme, which is employed by said user equipment for data communication. 10. The user equipment according to claim 7 or claim 8, characterized in deciding said maximum value of said transmit power by employing modification information responding to said number of discontinuous resource block groups. 11. The user equipment according to claim 10, characterized in deciding said maximum value of said transmit power by employing modification information responding to a maximum number of said discontinuous resource block groups. 12. The user equipment according to claim 7, characterized in deciding said maximum value of said transmit power by employing modification information decided responding to said information related to said access schemes or control information by a base station. 13. The user equipment according to claim 7, characterized in deciding said transmit power of said user equipment by employing said decided maximum value. 14. A base station, characterized in notifying a maximum value of a transmit power of a user equipment decided by employing at least one of information related to access schemes and information indicating a number of discontinuous resource block groups, wherein each of the discontinuous resource block groups comprises one or more continuous resource blocks allocated to said user equipment in a frequency domain. 15. A base station, characterized in notifying, to said user equipment, modification information decided according to information related to access schemes or information related to a number of discontinuous resource block groups, wherein each of the discontinuous resource block groups comprises one or more continuous resource blocks allocated to said user equipment in a frequency domain. 16. The base station according to claim 15, characterized in notifying modification information decided responding to said number of discontinuous resource block groups. 17. The base station according to claim 16, characterized in notifying modification information decided responding to a maximum number of said discontinuous resource block groups. 18. The base station according to claim 15 or claim 16, characterized in notifying modification information decided responding to an access scheme that said user equipment employs for data communication. 19. A transmit power deciding method, characterized in deciding a maximum value of a transmit power of a user equipment by employing at least one of information related to access schemes and information related to a number of discontinuous resource block groups, wherein each of the discontinuous resource block groups comprises one or more continuous resource blocks allocated to said user equipment in a frequency domain. 20. The transmit power deciding method according to claim 19, characterized in deciding said maximum value of said transmit power by employing modification information set responding to said information related to access schemes or said number of discontinuous resource block groups. 21. The transmit power deciding method according to claim 19 or claim 20, characterized in deciding said maximum value of said transmit power by employing modification information responding to an access scheme that said user equipment employs for data communication. 22. The transmit power deciding method according to claim 19 or claim 20, characterized in deciding said maximum value of said transmit power by employing modification information set responding to said number of discontinuous resource block groups. 23. The transmit power deciding method according to claim 21, characterized in deciding said maximum value of said transmit power by employing said modification information responding to a maximum number of said discontinuous resource block groups. 24. A transmit power deciding method according to claim 19, characterized in deciding said transmit power of said user equipment by employing said decided maximum value. 25. A non-transitory computer-readable medium having stored thereon a program configured to control of a user equipment to perform a method comprising: deciding a maximum value of a transmit power of its own device by employing at least one of information related to access schemes and control information indicating a number of discontinuous resource block groups, wherein each of the discontinuous resource block groups comprises one or more continuous resource blocks allocated to said user equipment in a frequency domain. 26. A non-transitory computer-readable medium having stored thereon a program configured to control a base station to perform a method comprising: notifying, to said terminal, a maximum value of a transmit power of a user equipment decided by employing at least one of information related to access schemes and information indicating a number of discontinuous resource block groups, wherein each of the discontinuous resource block groups comprises one or more continuous resource blocks allocated to said user equipment in a frequency domain. 27. A non-transitory computer-readable medium having stored thereon program configured to control of a base station to perform a method comprising: notifying modification information decided according to information related to access schemes or information a number of discontinuous resource block groups, wherein each of the discontinuous resource block groups comprises one or more continuous resource blocks allocated to said user equipment in a frequency domain.