COGNITIVE RADIO COMMUNICATION APPARATUS AND METHOD WHICH ADAPTABLY CONTROLS SENSING REFERENCE LEVEL
First Claim
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1. A cognitive radio communication apparatus, comprising:
- a sensing reference level control unit to adaptably control a sensing reference level based on a transmission power of a secondary transmitter included in a secondary network; and
a fast sensing unit to determine whether a signal received for a predetermined time period exists based on the controlled sensing reference level.
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Abstract
A cognitive radio communication apparatus and method which adaptably controls a sensing reference level based on a transmission power of a transmitter is provided. A cognitive radio communication apparatus includes a sensing reference level control unit to adaptably control a sensing reference level based on a transmission power of a secondary transmitter included in a secondary network, and a fast sensing unit to determine whether a signal received for a predetermined time period exists based on the controlled sensing reference level.
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Citations
23 Claims
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1. A cognitive radio communication apparatus, comprising:
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a sensing reference level control unit to adaptably control a sensing reference level based on a transmission power of a secondary transmitter included in a secondary network; and a fast sensing unit to determine whether a signal received for a predetermined time period exists based on the controlled sensing reference level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A cognitive radio communication method, comprising:
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adaptably controlling a sensing reference level based on a transmission power of a secondary transmitter included in a secondary network; and determining whether a signal received for a predetermined time period exists based on the controlled sensing reference level. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A computer-readable recording medium storing a program for implementing a cognitive radio communication method, comprising:
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adaptably controlling a sensing reference level based on a transmission power of a secondary transmitter included in a secondary network; and determining whether a signal received for a predetermined time period exists based on the controlled sensing reference level.
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18. A cognitive radio communication apparatus for a cellular communication system, the cognitive radio communication apparatus comprising:
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a sensing reference level control unit to adaptably control a sensing reference level based on a transmission power of a base station or terminal included in a secondary network corresponding to the cellular communication system; and a fast sensing unit to determine whether a signal received for a predetermined time period exists based on the controlled sensing reference level. - View Dependent Claims (19, 20, 21, 22, 23)
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Specification