METHOD FOR COGNITIVE RADIO BASED COMMUNICATION AND METHOD FOR BROADCASTING POLICY INFORMATION FOR THE SAME
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Abstract
A method of broadcasting frequency policy information in a cognitive radio based communication system, apparatus therefore and a communication method using the same are disclosed. In particular, a policy broadcaster is provided as a subject performing a broadcast of frequency policy information in cognitive radio communication. A method of broadcasting frequency policy information using the same and a method of performing cognitive radio communication by obtaining frequency policy information using the same are provided. Moreover, an enhanced superframe structure, which is capable of providing a seamless service in case that a narrowband terminal is introduced in the middle of a superframe, is provided.
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Citations
37 Claims
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1-22. -22. (canceled)
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23. A method for broadcasting frequency policy information for radio communication, the method comprising:
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generating a policy broadcasting packet including frequency policy information for each region, and at least one of a preamble for matching synchronization with the policy broadcasting packet, a header of the frequency policy information and power regulation situation information for each region or each service; and broadcasting the generated policy broadcasting packet. - View Dependent Claims (24, 25, 26, 27, 28, 29)
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30. An apparatus for broadcasting frequency policy information for cognitive radio (CR) communication, the apparatus comprising:
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a packet generating unit generating a policy broadcasting packet including frequency policy information for each region; and a broadcasting unit broadcasting the generated policy broadcasting packet generated by the packet generating unit, wherein the apparatus is provided to perform the broadcasting of the frequency policy information for the cognitive radio communication.
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31. A method for performing communication by a terminal based on cognitive radio (CR) communication, the method comprising:
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receiving a policy broadcasting packet including frequency policy information for each region from a policy broadcaster provided to perform a broadcast of the frequency policy information for the cognitive radio communication; obtaining current location information of the terminal; sensing an available frequency band in accordance with a frequency policy corresponding to the obtained location information from the frequency policy information; and initiating the communication via the available frequency band, when the available frequency band is sensed. - View Dependent Claims (32, 33, 34, 35, 36)
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37. A cognitive radio communication based terminal, the terminal performs communication based on cognitive radio (CR) communication, the terminal comprising:
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a packet receiving unit receiving a policy broadcasting packet including frequency policy information for each region from a policy broadcaster performing a broadcast of the frequency policy information for the cognitive radio communication; and a processor for cognizing the frequency policy information received by the terminal, wherein the processor changes a setting of the terminal in accordance with the frequency policy information.
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Specification