Wireless wake-on-LAN power management
DCFirst Claim
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1. An apparatus comprising:
- a wireless receiver that receives a beacon frame transmitted from a wireless access point when a main power supply for a system main unit coupled to the wireless receiver is not on;
the wireless receiver to set at least one parameter of the wireless receiver in response to receiving the beacon frame from the wireless access point, wherein the setting of the at least one parameter enables reception by the wireless receiver of a predetermined frame from the wireless access point without the wireless receiver transmitting a wireless frame to the wireless access point to handshake with the wireless access point, and wherein the predetermined frame is selected from the group consisting of a broadcast frame and a multicast frame;
the wireless receiver enabled by the setting of the at least one parameter to receive the predetermined frame from the wireless access point and to determine whether a magic packet addressed to the wireless receiver exists in the predetermined frame; and
the wireless receiver to supply a signal for turning on the main power supply for said system main unit to the system main unit if the magic packet exists in the predetermined frame.
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Abstract
In a wireless LAN mini PCI module connected to a computer, an RF module receives through an antenna a broadcast frame and/or a multicast frame transmitted from a predetermined wireless access point in a state where a main power supply for a system main unit is not on, a magic packet included in the broadcast frame and/or the multicast frame is recognized, and a signal for turning on the main power supply is output from a base band processor to the system main unit.
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Citations
21 Claims
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1. An apparatus comprising:
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a wireless receiver that receives a beacon frame transmitted from a wireless access point when a main power supply for a system main unit coupled to the wireless receiver is not on; the wireless receiver to set at least one parameter of the wireless receiver in response to receiving the beacon frame from the wireless access point, wherein the setting of the at least one parameter enables reception by the wireless receiver of a predetermined frame from the wireless access point without the wireless receiver transmitting a wireless frame to the wireless access point to handshake with the wireless access point, and wherein the predetermined frame is selected from the group consisting of a broadcast frame and a multicast frame; the wireless receiver enabled by the setting of the at least one parameter to receive the predetermined frame from the wireless access point and to determine whether a magic packet addressed to the wireless receiver exists in the predetermined frame; and the wireless receiver to supply a signal for turning on the main power supply for said system main unit to the system main unit if the magic packet exists in the predetermined frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for managing wireless communication between a receiver and an access point, comprising:
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receiving a beacon frame transmitted from a wireless access point when a main power supply for a system main unit coupled to a wireless receiver is not on; setting at least one parameter of the wireless receiver in response to receiving the beacon frame from the wireless access point; setting of the at least one parameter enabling reception by the wireless receiver of a predetermined frame from the wireless access point without requiring the wireless receiver to transmit a wireless frame to the wireless access point to handshake with the wireless access point, and wherein the predetermined frame is selected from the group consisting of a broadcast frame and a multicast frame; the wireless receiver enabled by the setting of the at least one parameter receiving the predetermined frame from the wireless access point and determining whether a magic packet addressed to the wireless receiver exists in the predetermined frame; and the wireless receiver supplying a signal for turning on the main power supply for said system main unit to the system main unit if determined that the magic packet exists in the predetermined frame. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A computer program product for managing wireless communication between a receiver and an access point, the computer program product comprising:
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a computer readable storage medium having computer readable program code embodied therewith, the computer readable program code comprising; computer readable program code configured to; receive a beacon frame transmitted from a wireless access point when a main power supply for a system main unit coupled to a wireless receiver is not on; set at least one parameter of the wireless receiver in response to the received beacon frame to enable reception by the wireless receiver of a predetermined frame from the wireless access point without requiring the wireless receiver to transmit a wireless frame to the wireless access point to handshake with the wireless access point, and wherein the predetermined frame is selected from the group consisting of a broadcast frame and a multicast frame; enable the wireless receiver by the setting of the at least one parameter to receive the predetermined frame from the wireless access point and determine whether a magic packet addressed to the wireless receiver exists in the predetermined frame; and supply a signal for turning on the main power supply for said system main unit to the system main unit if determined that the magic packet exists in the predetermined frame. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification