Title:
METHOD AND APPARATUS FOR COMMUNICATION BY A SECONDARY USER OF SPECTRUM
Document Type and Number:
WIPO Patent Application WO2008005650
Kind Code:
B1
Abstract:
A method and apparatus is provided for allowing communication of a secondary communication device (105) over non-licensed spectrum. During operation a replica transmission (114) will be periodically transmitted by a base station (111) within the secondary communication system (121). This test signal is used to exercise the beacon detection apparatus (305) of transceivers utilizing the secondary communication system. If the detection fails, transmission by the transceiver is prohibited.
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Inventors:
CALLAWAY EDGAR H JR (US)
Application Number:
PCT/US2007/070688
Publication Date:
November 20, 2008
Filing Date:
June 08, 2007
Export Citation:
Assignee:
MOTOROLA INC (US)
CALLAWAY EDGAR H JR (US)
CALLAWAY EDGAR H JR (US)
International Classes:
H04K1/00; H04L9/00
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